diff options
52 files changed, 1825 insertions, 294 deletions
diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl index 78116574a28..1001769e4e2 100755 --- a/mysql-test/mysql-test-run.pl +++ b/mysql-test/mysql-test-run.pl @@ -4771,6 +4771,7 @@ sub extract_warning_lines ($$) { qr|Error: io_setup\(\) failed|, qr|Warning: io_setup\(\) failed|, qr|Warning: io_setup\(\) attempt|, + qr|setrlimit could not change the size of core files to 'infinity';|, ); my $matched_lines= []; diff --git a/mysql-test/r/func_group.result b/mysql-test/r/func_group.result index 65323257300..f1884df2452 100644 --- a/mysql-test/r/func_group.result +++ b/mysql-test/r/func_group.result @@ -1851,7 +1851,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 range a a 4 NULL 4 100.00 Using where; Using index; Using join buffer (flat, BNL join) 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where Warnings: -Note 1003 select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = 2) and (`test`.`t2`.`a` = 1) and (`test`.`t1`.`a` < 10)) +Note 1003 select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`a` = 1) and (`test`.`t2`.`b` = 2) and (`test`.`t1`.`a` < 10)) SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT a,b FROM t2 WHERE b<5) and a<10; MAX(a) NULL diff --git a/mysql-test/r/group_by.result b/mysql-test/r/group_by.result index 9fb21c3d828..9f9dcd59d56 100644 --- a/mysql-test/r/group_by.result +++ b/mysql-test/r/group_by.result @@ -1946,6 +1946,250 @@ Warning 1292 Truncated incorrect INTEGER value: 'K' Warning 1292 Truncated incorrect INTEGER value: 'jxW<' DROP TABLE t1; SET SQL_BIG_TABLES=0; +# +# MDEV-641 LP:1002108 - Wrong result (or crash) from a query with duplicated field in the group list and a limit clause +# Bug#11761078: 53534: INCORRECT 'SELECT SQL_BIG_RESULT...' +# WITH GROUP BY ON DUPLICATED FIELDS +# +CREATE TABLE t1( +col1 int, +UNIQUE INDEX idx (col1)); +INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10), +(11),(12),(13),(14),(15),(16),(17),(18),(19),(20); +EXPLAIN SELECT col1 AS field1, col1 AS field2 +FROM t1 GROUP BY field1, field2;; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL idx 5 NULL 20 Using index; Using temporary; Using filesort +FLUSH STATUS; +SELECT col1 AS field1, col1 AS field2 +FROM t1 GROUP BY field1, field2;; +field1 field2 +1 1 +2 2 +3 3 +4 4 +5 5 +6 6 +7 7 +8 8 +9 9 +10 10 +11 11 +12 12 +13 13 +14 14 +15 15 +16 16 +17 17 +18 18 +19 19 +20 20 +SHOW SESSION STATUS LIKE 'Sort_scan%'; +Variable_name Value +Sort_scan 1 +EXPLAIN SELECT SQL_BIG_RESULT col1 AS field1, col1 AS field2 +FROM t1 GROUP BY field1, field2;; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL idx 5 NULL 20 Using index; Using filesort +FLUSH STATUS; +SELECT SQL_BIG_RESULT col1 AS field1, col1 AS field2 +FROM t1 GROUP BY field1, field2;; +field1 field2 +1 1 +2 2 +3 3 +4 4 +5 5 +6 6 +7 7 +8 8 +9 9 +10 10 +11 11 +12 12 +13 13 +14 14 +15 15 +16 16 +17 17 +18 18 +19 19 +20 20 +SHOW SESSION STATUS LIKE 'Sort_scan%'; +Variable_name Value +Sort_scan 1 +CREATE VIEW v1 AS SELECT * FROM t1; +SELECT SQL_BIG_RESULT col1 AS field1, col1 AS field2 +FROM v1 +GROUP BY field1, field2; +field1 field2 +1 1 +2 2 +3 3 +4 4 +5 5 +6 6 +7 7 +8 8 +9 9 +10 10 +11 11 +12 12 +13 13 +14 14 +15 15 +16 16 +17 17 +18 18 +19 19 +20 20 +SELECT SQL_BIG_RESULT tbl1.col1 AS field1, tbl2.col1 AS field2 +FROM t1 as tbl1, t1 as tbl2 +GROUP BY field1, field2 +LIMIT 3; +field1 field2 +1 1 +1 2 +1 3 +explain +select col1 f1, col1 f2 from t1 order by f2, f1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL idx 5 NULL 20 Using index; Using filesort +select col1 f1, col1 f2 from t1 order by f2, f1; +f1 f2 +1 1 +2 2 +3 3 +4 4 +5 5 +6 6 +7 7 +8 8 +9 9 +10 10 +11 11 +12 12 +13 13 +14 14 +15 15 +16 16 +17 17 +18 18 +19 19 +20 20 +explain +select col1 f1, col1 f2 from t1 group by f2 order by f2, f1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range NULL idx 5 NULL 7 Using index for group-by; Using temporary; Using filesort +select col1 f1, col1 f2 from t1 group by f2 order by f2, f1; +f1 f2 +1 1 +2 2 +3 3 +4 4 +5 5 +6 6 +7 7 +8 8 +9 9 +10 10 +11 11 +12 12 +13 13 +14 14 +15 15 +16 16 +17 17 +18 18 +19 19 +20 20 +explain +select col1 f1, col1 f2 from t1 group by f1, f2 order by f2, f1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL idx 5 NULL 20 Using index; Using temporary; Using filesort +select col1 f1, col1 f2 from t1 group by f1, f2 order by f2, f1; +f1 f2 +1 1 +2 2 +3 3 +4 4 +5 5 +6 6 +7 7 +8 8 +9 9 +10 10 +11 11 +12 12 +13 13 +14 14 +15 15 +16 16 +17 17 +18 18 +19 19 +20 20 +CREATE TABLE t2( +col1 int, +col2 int, +UNIQUE INDEX idx (col1, col2)); +INSERT INTO t2(col1, col2) VALUES +(1,20),(2,19),(3,18),(4,17),(5,16),(6,15),(7,14),(8,13),(9,12),(10,11), +(11,10),(12,9),(13,8),(14,7),(15,6),(16,5),(17,4),(18,3),(19,2),(20,1); +explain +select col1 f1, col2 f2, col1 f3 from t2 group by f1, f2, f3; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t2 index NULL idx 10 NULL 20 Using index; Using temporary; Using filesort +select col1 f1, col2 f2, col1 f3 from t2 group by f1, f2, f3; +f1 f2 f3 +1 20 1 +2 19 2 +3 18 3 +4 17 4 +5 16 5 +6 15 6 +7 14 7 +8 13 8 +9 12 9 +10 11 10 +11 10 11 +12 9 12 +13 8 13 +14 7 14 +15 6 15 +16 5 16 +17 4 17 +18 3 18 +19 2 19 +20 1 20 +explain +select col1 f1, col2 f2, col1 f3 from t2 order by f1, f2, f3; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t2 index NULL idx 10 NULL 20 Using index; Using filesort +select col1 f1, col2 f2, col1 f3 from t2 order by f1, f2, f3; +f1 f2 f3 +1 20 1 +2 19 2 +3 18 3 +4 17 4 +5 16 5 +6 15 6 +7 14 7 +8 13 8 +9 12 9 +10 11 10 +11 10 11 +12 9 12 +13 8 13 +14 7 14 +15 6 15 +16 5 16 +17 4 17 +18 3 18 +19 2 19 +20 1 20 +DROP VIEW v1; +DROP TABLE t1, t2; # End of 5.1 tests # # LP bug#694450 Wrong result with non-standard GROUP BY + ORDER BY diff --git a/mysql-test/r/group_min_max.result b/mysql-test/r/group_min_max.result index d1faec7f758..cc7c9c4d364 100644 --- a/mysql-test/r/group_min_max.result +++ b/mysql-test/r/group_min_max.result @@ -1714,7 +1714,7 @@ explain extended select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 index NULL idx_t1_1 163 NULL 128 50.78 Using where; Using index Warnings: -Note 1003 select distinct `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where ((`test`.`t1`.`c` = 'i121') and (`test`.`t1`.`b` = 'a') and (`test`.`t1`.`a2` >= 'b')) +Note 1003 select distinct `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where ((`test`.`t1`.`b` = 'a') and (`test`.`t1`.`c` = 'i121') and (`test`.`t1`.`a2` >= 'b')) explain select distinct a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 14 Using where; Using index for group-by @@ -1731,7 +1731,7 @@ explain extended select distinct a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 index NULL idx_t2_1 163 NULL 164 50.61 Using where; Using index Warnings: -Note 1003 select distinct `test`.`t2`.`a1` AS `a1`,`test`.`t2`.`a2` AS `a2`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where ((`test`.`t2`.`c` = 'i121') and (`test`.`t2`.`b` = 'a') and (`test`.`t2`.`a2` >= 'b')) +Note 1003 select distinct `test`.`t2`.`a1` AS `a1`,`test`.`t2`.`a2` AS `a2`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where ((`test`.`t2`.`b` = 'a') and (`test`.`t2`.`c` = 'i121') and (`test`.`t2`.`a2` >= 'b')) explain select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c'); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by @@ -3187,6 +3187,106 @@ a b drop table t1; End of 5.1 tests # +# MDEV-765 lp:825075 - Wrong result with GROUP BY + multipart key + MIN/MAX loose scan +# +CREATE TABLE t1 (a varchar(1), b varchar(1), KEY (b,a)); +INSERT INTO t1 VALUES +('0',NULL),('9',NULL),('8','c'),('4','d'),('7','d'),(NULL,'f'), +('7','f'),('8','g'),(NULL,'j'); +explain +SELECT max(a) , b FROM t1 WHERE a IS NULL OR b = 'z' GROUP BY b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index b b 8 NULL 9 Using where; Using index +SELECT max(a) , b FROM t1 WHERE a IS NULL OR b = 'z' GROUP BY b; +max(a) b +NULL f +NULL j +explain +SELECT b, min(a) FROM t1 WHERE a = '7' OR b = 'z' GROUP BY b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index b b 8 NULL 9 Using where; Using index +SELECT b, min(a) FROM t1 WHERE a = '7' OR b = 'z' GROUP BY b; +b min(a) +d 7 +f 7 +explain +SELECT b, min(a) FROM t1 WHERE (a = b OR b = 'd' OR b is NULL) GROUP BY b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index b b 8 NULL 9 Using where; Using index +SELECT b, min(a) FROM t1 WHERE (a = b OR b = 'd' OR b is NULL) GROUP BY b; +b min(a) +NULL 0 +d 4 +explain +SELECT b, min(a) FROM t1 WHERE a > ('0' = b) AND b = 'z' GROUP BY b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref b b 4 const 1 Using where; Using index +SELECT b, min(a) FROM t1 WHERE a > ('0' = b) AND b = 'z' GROUP BY b; +b min(a) +explain +SELECT b, min(a) FROM t1 WHERE a > '0' AND (b < (a = '7')) GROUP BY b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 8 NULL 9 Using where; Using index +SELECT b, min(a) FROM t1 WHERE a > '0' AND (b < (a = '7')) GROUP BY b; +b min(a) +d 7 +f 7 +Warnings: +Warning 1292 Truncated incorrect DOUBLE value: 'c' +Warning 1292 Truncated incorrect DOUBLE value: 'd' +Warning 1292 Truncated incorrect DOUBLE value: 'd' +Warning 1292 Truncated incorrect DOUBLE value: 'f' +Warning 1292 Truncated incorrect DOUBLE value: 'g' +explain +SELECT b, min(a) FROM t1 WHERE (a > '0' AND (a > '1' OR b = 'd')) GROUP BY b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index b b 8 NULL 9 Using where; Using index +SELECT b, min(a) FROM t1 WHERE (a > '0' AND (a > '1' OR b = 'd')) GROUP BY b; +b min(a) +NULL 9 +c 8 +d 4 +f 7 +g 8 +drop table t1; +# +# MDEV-4140 Wrong result with GROUP BY + multipart key + MIN/MAX loose scan and a subquery +# +CREATE TABLE t1 (a int, b int, KEY (b, a)) ; +INSERT INTO t1 VALUES (0,99),(9,99),(4,0),(7,0),(99,0),(7,0),(8,0),(99,0),(1,0); +CREATE TABLE t2 (c int) ; +INSERT INTO t2 VALUES (0),(1); +EXPLAIN +SELECT MIN(a), b FROM t1 WHERE a > 0 GROUP BY b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range NULL b 10 NULL 10 Using where; Using index for group-by +SELECT MIN(a), b FROM t1 WHERE a > 0 GROUP BY b; +MIN(a) b +1 0 +9 99 +EXPLAIN +SELECT MIN(a), b FROM t1 WHERE a > ( SELECT c FROM t2 WHERE c = 0 ) GROUP BY b; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 range NULL b 10 NULL 10 Using where; Using index for group-by +2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where +SELECT MIN(a), b FROM t1 WHERE a > ( SELECT c FROM t2 WHERE c = 0 ) GROUP BY b; +MIN(a) b +1 0 +9 99 +EXPLAIN +SELECT MIN(a), b FROM t1 WHERE a > ( SELECT min(c) FROM t2, t1 t1a, t1 t1b WHERE c = 0 ) GROUP BY b; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 index NULL b 10 NULL 9 Using where; Using index +2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where +2 SUBQUERY t1a index NULL b 10 NULL 9 Using index; Using join buffer (flat, BNL join) +2 SUBQUERY t1b index NULL b 10 NULL 9 Using index; Using join buffer (incremental, BNL join) +SELECT MIN(a), b FROM t1 WHERE a > ( SELECT min(c) FROM t2, t1 t1a, t1 t1b WHERE c = 0 ) GROUP BY b; +MIN(a) b +1 0 +9 99 +drop table t1, t2; +End of 5.3 tests +# # WL#3220 (Loose index scan for COUNT DISTINCT) # CREATE TABLE t1 (a INT, b INT, c INT, KEY (a,b)); diff --git a/mysql-test/r/having.result b/mysql-test/r/having.result index 5961a84cddc..a0a4fc42e2d 100644 --- a/mysql-test/r/having.result +++ b/mysql-test/r/having.result @@ -473,7 +473,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE table2 const PRIMARY PRIMARY 4 const 1 100.00 Using filesort 1 SIMPLE table1 ALL NULL NULL NULL NULL 4 100.00 Using where Warnings: -Note 1003 select `test`.`table1`.`f1` AS `f1`,7 AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where ((`test`.`table1`.`f3` = 9)) group by `test`.`table1`.`f1`,7 having ((7 = 8) and (`test`.`table1`.`f1` >= 6)) +Note 1003 select `test`.`table1`.`f1` AS `f1`,7 AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where (`test`.`table1`.`f3` = 9) group by `test`.`table1`.`f1`,7 having ((7 = 8) and (`test`.`table1`.`f1` >= 6)) EXPLAIN EXTENDED SELECT table1.f1, table2.f2 FROM t1 AS table1 @@ -485,7 +485,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE table2 const PRIMARY PRIMARY 4 const 1 100.00 Using filesort 1 SIMPLE table1 ALL NULL NULL NULL NULL 4 100.00 Using where Warnings: -Note 1003 select `test`.`table1`.`f1` AS `f1`,7 AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where ((`test`.`table1`.`f3` = 9)) group by `test`.`table1`.`f1`,7 having (7 = 8) +Note 1003 select `test`.`table1`.`f1` AS `f1`,7 AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where (`test`.`table1`.`f3` = 9) group by `test`.`table1`.`f1`,7 having (7 = 8) DROP TABLE t1; # # Bug#52336 Segfault / crash in 5.1 copy_fields (param=0x9872980) at sql_select.cc:15355 diff --git a/mysql-test/r/join_nested.result b/mysql-test/r/join_nested.result index dfb1a8c72d3..255714a7236 100644 --- a/mysql-test/r/join_nested.result +++ b/mysql-test/r/join_nested.result @@ -235,7 +235,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using join buffer (flat, BNL join) 1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where Warnings: -Note 1003 select `test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b` from `test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t8`.`b` = `test`.`t7`.`b`))) where 1 +Note 1003 select `test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b` from `test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t7`.`b`) and (`test`.`t6`.`b` < 10))) where 1 SELECT t6.a,t6.b,t7.a,t7.b,t8.a,t8.b FROM (t6, t7) LEFT JOIN @@ -556,7 +556,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and ((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`))))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) where ((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`))) SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b, t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b FROM t0,t1 @@ -652,7 +652,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where 1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and ((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`))))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t9`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) SELECT t9.a,t9.b FROM t9; a b @@ -858,7 +858,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 ref idx_b idx_b 5 test.t3.b 2 100.00 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Warnings: -Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t3` join `test`.`t4` left join (`test`.`t1` join `test`.`t2`) on(((`test`.`t2`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`b`) and (`test`.`t3`.`b` is not null))) where 1 +Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t3` join `test`.`t4` left join (`test`.`t1` join `test`.`t2`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`a` > 0) and (`test`.`t3`.`b` is not null))) where 1 SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b FROM (t3,t4) LEFT JOIN @@ -920,7 +920,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where 1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and ((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`))))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t3`.`b` = `test`.`t4`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` > 0))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t9`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t3`.`b` = `test`.`t4`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) INSERT INTO t4 VALUES (-3,12,0), (-4,13,0), (-1,11,0), (-3,11,0), (-5,15,0); INSERT INTO t5 VALUES (-3,11,0), (-2,12,0), (-3,13,0), (-4,12,0); CREATE INDEX idx_b ON t4(b); @@ -972,7 +972,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t8 ALL NULL NULL NULL NULL 2 100.00 Using where Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and ((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`))))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t9`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) INSERT INTO t8 VALUES (-3,12,0), (-1,14,0), (-5,15,0), (-1,11,0), (-4,13,0); CREATE INDEX idx_b ON t8(b); EXPLAIN EXTENDED @@ -1022,7 +1022,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 2 100.00 Using where Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t8`.`a` >= 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10) and (`test`.`t8`.`a` >= 0) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t9`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) INSERT INTO t1 VALUES (-1,133,0), (-2,12,0), (-3,11,0), (-5,15,0); CREATE INDEX idx_b ON t1(b); CREATE INDEX idx_a ON t0(a); @@ -1073,7 +1073,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 2 100.00 Using where Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2) and (`test`.`t1`.`a` > 0))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2) and (`test`.`t1`.`a` > 0))) join `test`.`t9` where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t9`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b, t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b,t9.a,t9.b FROM t0,t1 @@ -1215,7 +1215,7 @@ EXPLAIN SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index NULL a 5 NULL 21 Using index 1 SIMPLE t3 index c c 5 NULL 6 Using where; Using index -1 SIMPLE t2 ref b b 5 test.t3.c 2 Using where; Using index +1 SIMPLE t2 ref b b 5 test.t3.c 2 Using index SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c; a b c NULL 0 0 @@ -1286,7 +1286,7 @@ EXPLAIN SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index NULL a 5 NULL 21 Using index 1 SIMPLE t3 index c c 5 NULL 0 Using where; Using index -1 SIMPLE t2 ref b b 5 test.t3.c 2 Using where; Using index +1 SIMPLE t2 ref b b 5 test.t3.c 2 Using index SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c; a b c NULL NULL NULL @@ -1843,7 +1843,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 1 100.00 Using where; Not exists 1 SIMPLE t4 ALL NULL NULL NULL NULL 0 0.00 Using where Warnings: -Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `a`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`b` AS `b` from `test`.`t1` left join (`test`.`t2` left join `test`.`t3` on(((`test`.`t2`.`a` = `test`.`t1`.`a`) and (`test`.`t3`.`b` = `test`.`t1`.`a`))) left join `test`.`t4` on((`test`.`t4`.`b` = `test`.`t3`.`a`))) on((`test`.`t2`.`a` = `test`.`t1`.`a`)) where isnull(`test`.`t3`.`a`) +Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `a`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`b` AS `b` from `test`.`t1` left join (`test`.`t2` left join `test`.`t3` on((`test`.`t3`.`b` = `test`.`t1`.`a`)) left join `test`.`t4` on((`test`.`t4`.`b` = `test`.`t3`.`a`))) on((`test`.`t2`.`a` = `test`.`t1`.`a`)) where isnull(`test`.`t3`.`a`) DROP TABLE t1,t2,t3,t4; SET optimizer_switch=@save_optimizer_switch; End of 5.0 tests diff --git a/mysql-test/r/join_nested_jcl6.result b/mysql-test/r/join_nested_jcl6.result index 69eb4532c73..c744df9e2fe 100644 --- a/mysql-test/r/join_nested_jcl6.result +++ b/mysql-test/r/join_nested_jcl6.result @@ -246,7 +246,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using join buffer (flat, BNL join) 1 SIMPLE t8 hash_ALL NULL #hash#$hj 5 test.t7.b 2 100.00 Using where; Using join buffer (incremental, BNLH join) Warnings: -Note 1003 select `test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b` from `test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t8`.`b` = `test`.`t7`.`b`) and (`test`.`t7`.`b` is not null))) where 1 +Note 1003 select `test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b` from `test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t7`.`b`) and (`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` is not null))) where 1 SELECT t6.a,t6.b,t7.a,t7.b,t8.a,t8.b FROM (t6, t7) LEFT JOIN @@ -567,7 +567,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join) 1 SIMPLE t8 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join) Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) where ((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`))) SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b, t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b FROM t0,t1 @@ -663,7 +663,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t8 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join) 1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join) Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t9`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) SELECT t9.a,t9.b FROM t9; a b @@ -869,7 +869,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t2 ref idx_b idx_b 5 test.t3.b 2 100.00 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using join buffer (incremental, BNL join) Warnings: -Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t3` join `test`.`t4` left join (`test`.`t1` join `test`.`t2`) on(((`test`.`t2`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`b`) and (`test`.`t3`.`b` is not null))) where 1 +Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t3` join `test`.`t4` left join (`test`.`t1` join `test`.`t2`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`b`) and (`test`.`t2`.`a` > 0) and (`test`.`t3`.`b` is not null))) where 1 SELECT t2.a,t2.b,t3.a,t3.b,t4.a,t4.b FROM (t3,t4) LEFT JOIN @@ -931,7 +931,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (incremental, BNL join) 1 SIMPLE t9 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join) Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t3`.`b` = `test`.`t4`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` > 0) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t9`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t3`.`b` = `test`.`t4`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t9`.`b` = `test`.`t8`.`b`) or isnull(`test`.`t8`.`c`))) INSERT INTO t4 VALUES (-3,12,0), (-4,13,0), (-1,11,0), (-3,11,0), (-5,15,0); INSERT INTO t5 VALUES (-3,11,0), (-2,12,0), (-3,13,0), (-4,12,0); CREATE INDEX idx_b ON t4(b); @@ -983,7 +983,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join) 1 SIMPLE t8 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join) Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t9`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) INSERT INTO t8 VALUES (-3,12,0), (-1,14,0), (-5,15,0), (-1,11,0), (-4,13,0); CREATE INDEX idx_b ON t8(b); EXPLAIN EXTENDED @@ -1033,7 +1033,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t7 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join) 1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t8`.`a` >= 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` > 0) and (`test`.`t4`.`a` > 0) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10) and (`test`.`t8`.`a` >= 0) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2) and (`test`.`t5`.`a` > 0) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2))) join `test`.`t9` where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t9`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) INSERT INTO t1 VALUES (-1,133,0), (-2,12,0), (-3,11,0), (-5,15,0); CREATE INDEX idx_b ON t1(b); CREATE INDEX idx_a ON t0(a); @@ -1082,9 +1082,9 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t5 ALL idx_b NULL NULL NULL 7 100.00 Using where; Using join buffer (incremental, BNL join) 1 SIMPLE t7 hash_ALL NULL #hash#$hj 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BNLH join) 1 SIMPLE t6 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (incremental, BNL join) -1 SIMPLE t8 ref idx_b idx_b 5 test.t7.b 2 100.00 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan +1 SIMPLE t8 ref idx_b idx_b 5 test.t5.b 2 100.00 Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan Warnings: -Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t6`.`b` < 10) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t7`.`b` is not null)))) on(((`test`.`t6`.`b` >= 2) and (`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and (((`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t5`.`b` = `test`.`t0`.`b`)) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2) and (`test`.`t1`.`a` > 0))) join `test`.`t9` where ((`test`.`t9`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t0`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) +Note 1003 select `test`.`t0`.`a` AS `a`,`test`.`t0`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t5`.`a` AS `a`,`test`.`t5`.`b` AS `b`,`test`.`t6`.`a` AS `a`,`test`.`t6`.`b` AS `b`,`test`.`t7`.`a` AS `a`,`test`.`t7`.`b` AS `b`,`test`.`t8`.`a` AS `a`,`test`.`t8`.`b` AS `b`,`test`.`t9`.`a` AS `a`,`test`.`t9`.`b` AS `b` from `test`.`t0` join `test`.`t1` left join (`test`.`t2` left join (`test`.`t3` join `test`.`t4`) on(((`test`.`t3`.`a` = 1) and (`test`.`t4`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`b` is not null))) join `test`.`t5` left join (`test`.`t6` join `test`.`t7` left join `test`.`t8` on(((`test`.`t8`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` < 10) and (`test`.`t5`.`b` is not null)))) on(((`test`.`t7`.`b` = `test`.`t5`.`b`) and (`test`.`t6`.`b` >= 2) and (`test`.`t5`.`b` is not null)))) on((((`test`.`t3`.`b` = 2) or isnull(`test`.`t3`.`c`)) and ((`test`.`t6`.`b` = 2) or isnull(`test`.`t6`.`c`)) and ((`test`.`t5`.`b` = `test`.`t0`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t6`.`c`) or isnull(`test`.`t8`.`c`)) and (`test`.`t1`.`a` <> 2) and (`test`.`t1`.`a` > 0))) join `test`.`t9` where ((`test`.`t0`.`a` = 1) and (`test`.`t1`.`b` = `test`.`t0`.`b`) and (`test`.`t9`.`a` = 1) and ((`test`.`t2`.`a` >= 4) or isnull(`test`.`t2`.`c`)) and ((`test`.`t3`.`a` < 5) or isnull(`test`.`t3`.`c`)) and ((`test`.`t4`.`b` = `test`.`t3`.`b`) or isnull(`test`.`t3`.`c`) or isnull(`test`.`t4`.`c`)) and ((`test`.`t5`.`a` >= 2) or isnull(`test`.`t5`.`c`)) and ((`test`.`t6`.`a` >= 4) or isnull(`test`.`t6`.`c`)) and ((`test`.`t7`.`a` <= 2) or isnull(`test`.`t7`.`c`)) and ((`test`.`t8`.`a` < 1) or isnull(`test`.`t8`.`c`)) and ((`test`.`t8`.`b` = `test`.`t9`.`b`) or isnull(`test`.`t8`.`c`))) SELECT t0.a,t0.b,t1.a,t1.b,t2.a,t2.b,t3.a,t3.b,t4.a,t4.b, t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b,t9.a,t9.b FROM t0,t1 @@ -1226,7 +1226,7 @@ EXPLAIN SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index NULL a 5 NULL 21 Using index 1 SIMPLE t3 index c c 5 NULL 6 Using where; Using index -1 SIMPLE t2 ref b b 5 test.t3.c 2 Using where; Using index +1 SIMPLE t2 ref b b 5 test.t3.c 2 Using index SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c; a b c NULL 0 0 @@ -1297,7 +1297,7 @@ EXPLAIN SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index NULL a 5 NULL 21 Using index 1 SIMPLE t3 index c c 5 NULL 0 Using where; Using index -1 SIMPLE t2 ref b b 5 test.t3.c 2 Using where; Using index +1 SIMPLE t2 ref b b 5 test.t3.c 2 Using index SELECT a, b, c FROM t1 LEFT JOIN (t2, t3) ON b < 3 and b = c; a b c NULL NULL NULL @@ -1854,7 +1854,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t3 hash_ALL NULL #hash#$hj 5 test.t1.a 1 100.00 Using where; Not exists; Using join buffer (incremental, BNLH join) 1 SIMPLE t4 hash_ALL NULL #hash#$hj 5 test.t3.a 0 0.00 Using where; Using join buffer (incremental, BNLH join) Warnings: -Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `a`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`b` AS `b` from `test`.`t1` left join (`test`.`t2` left join `test`.`t3` on(((`test`.`t2`.`a` = `test`.`t1`.`a`) and (`test`.`t3`.`b` = `test`.`t1`.`a`))) left join `test`.`t4` on(((`test`.`t4`.`b` = `test`.`t3`.`a`) and (`test`.`t3`.`a` is not null)))) on((`test`.`t2`.`a` = `test`.`t1`.`a`)) where isnull(`test`.`t3`.`a`) +Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `a`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`b` AS `b`,`test`.`t4`.`b` AS `b` from `test`.`t1` left join (`test`.`t2` left join `test`.`t3` on((`test`.`t3`.`b` = `test`.`t1`.`a`)) left join `test`.`t4` on(((`test`.`t4`.`b` = `test`.`t3`.`a`) and (`test`.`t3`.`a` is not null)))) on((`test`.`t2`.`a` = `test`.`t1`.`a`)) where isnull(`test`.`t3`.`a`) DROP TABLE t1,t2,t3,t4; SET optimizer_switch=@save_optimizer_switch; End of 5.0 tests diff --git a/mysql-test/r/join_outer.result b/mysql-test/r/join_outer.result index fd2a948847c..c28887d4ff2 100644 --- a/mysql-test/r/join_outer.result +++ b/mysql-test/r/join_outer.result @@ -2008,7 +2008,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 100.00 1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 100.00 Using index Warnings: -Note 1003 select 5 AS `pk` from `test`.`t2` join `test`.`t1` where (1) order by 5 +Note 1003 select 5 AS `pk` from `test`.`t2` join `test`.`t1` where 1 order by 5 SELECT t1.pk FROM t2 JOIN t1 ON t2.pk = t1.a WHERE t1.b BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk = 5 ORDER BY t1.pk; diff --git a/mysql-test/r/join_outer_jcl6.result b/mysql-test/r/join_outer_jcl6.result index d891f5c49b2..4efb6126cba 100644 --- a/mysql-test/r/join_outer_jcl6.result +++ b/mysql-test/r/join_outer_jcl6.result @@ -2019,7 +2019,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 100.00 1 SIMPLE t2 const PRIMARY PRIMARY 4 const 1 100.00 Using index Warnings: -Note 1003 select 5 AS `pk` from `test`.`t2` join `test`.`t1` where (1) order by 5 +Note 1003 select 5 AS `pk` from `test`.`t2` join `test`.`t1` where 1 order by 5 SELECT t1.pk FROM t2 JOIN t1 ON t2.pk = t1.a WHERE t1.b BETWEEN 5 AND 6 AND t1.pk IS NULL OR t1.pk = 5 ORDER BY t1.pk; diff --git a/mysql-test/r/multi_update.result b/mysql-test/r/multi_update.result index e991326cdce..7386af13e2c 100644 --- a/mysql-test/r/multi_update.result +++ b/mysql-test/r/multi_update.result @@ -689,6 +689,58 @@ DROP VIEW v1; DROP FUNCTION f1; DROP TABLE t1; # +# MDEV-4123: Incorrect results after multi-table update or +# assertion `!table || (!table->read_set || +# bitmap_is_set(table->read_set, field_index))' failure +# +DROP TABLE IF EXISTS t1; +Warnings: +Note 1051 Unknown table 't1' +CREATE TABLE t1 ( +id int(10) unsigned NOT NULL, +level tinyint(3) unsigned NOT NULL, +PRIMARY KEY (id) +); +INSERT INTO t1 VALUES (2519583,1); +DROP TABLE IF EXISTS t2; +Warnings: +Note 1051 Unknown table 't2' +CREATE TABLE t2 ( +club_id int(11) NOT NULL DEFAULT '0', +profile_id int(11) NOT NULL DEFAULT '0', +member_level_id int(11) NOT NULL DEFAULT '0', +PRIMARY KEY (profile_id,club_id) +); +INSERT INTO t2 VALUES (2,2519583,12); +DROP TABLE IF EXISTS t3; +Warnings: +Note 1051 Unknown table 't3' +CREATE TABLE t3 ( +member_level_id int(11) unsigned NOT NULL DEFAULT '0', +map_level int(11) unsigned NOT NULL DEFAULT '0', +map_status int(11) unsigned NOT NULL DEFAULT '0', +PRIMARY KEY (member_level_id) +); +INSERT INTO t3 VALUES (12,12,1); +CREATE +VIEW v1 AS +select club_id,profile_id, +map_level AS member_level_id,map_status AS member_status +from (t2 tc join t3 map +on(((tc.member_level_id = map.member_level_id) and +(club_id = 2)))); +select level, count(*) as cnt from t1 group by level; +level cnt +1 1 +UPDATE t1 c LEFT JOIN v1 t ON (c.id = t.profile_id AND t.club_id = 2) +SET c.level = IF (t.member_status IS NULL, 1, IF (t.member_status = 1, 2,3)); +select level, count(*) as cnt from t1 group by level; +level cnt +2 1 +drop view v1; +drop table t1,t2,t3; +end of tests +# # BUG#57373: Multi update+InnoDB reports ER_KEY_NOT_FOUND if a # table is updated twice # @@ -742,3 +794,4 @@ SELECT * FROM t2; col_int_key pk_1 pk_2 col_int 1 7 11 4 DROP TABLE t1,t2; +end of 5.5 tests diff --git a/mysql-test/r/row.result b/mysql-test/r/row.result index 80934a4e01f..f94c958a1be 100644 --- a/mysql-test/r/row.result +++ b/mysql-test/r/row.result @@ -405,7 +405,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 index PRIMARY PRIMARY 8 NULL 6 100.00 Using index 1 SIMPLE t2 eq_ref PRIMARY PRIMARY 12 test.t1.a,const,const 1 100.00 Using index Warnings: -Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`c` = 1) and (`test`.`t2`.`b` = 2) and (`test`.`t2`.`a` = `test`.`t1`.`a`)) +Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`a`) and (`test`.`t2`.`b` = 2) and (`test`.`t2`.`c` = 1)) SELECT * FROM t1,t2 WHERE (t2.a,(t2.b,t2.c))=(t1.a,(2,1)); a b a b c 1 1 1 2 1 @@ -415,7 +415,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 index PRIMARY PRIMARY 8 NULL 6 100.00 Using index 1 SIMPLE t2 eq_ref PRIMARY PRIMARY 12 test.t1.a,const,const 1 100.00 Using index Warnings: -Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`c` = 1) and (`test`.`t2`.`b` = 2) and (`test`.`t2`.`a` = `test`.`t1`.`a`)) +Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`a`) and (`test`.`t2`.`b` = 2) and (`test`.`t2`.`c` = 1)) SELECT * FROM t1,t2 WHERE t2.a=t1.a AND (t2.b,t2.c)=(2,1); a b a b c 1 1 1 2 1 diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result index 14347e9b899..1977fbaccee 100644 --- a/mysql-test/r/subselect.result +++ b/mysql-test/r/subselect.result @@ -1457,7 +1457,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index Warnings: -Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t3`.`a` = `test`.`t1`.`b`)) +Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (`test`.`t1`.`a` = `test`.`t2`.`a`)) drop table t1, t2, t3; create table t1 (a int, b int, index a (a,b)); create table t2 (a int, index a (a)); @@ -1500,7 +1500,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index 1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2) Warnings: -Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`)) +Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`b` = `test`.`t3`.`a`) and (`test`.`t1`.`a` = `test`.`t2`.`a`)) insert into t1 values (3,31); select * from t2 where t2.a in (select a from t1 where t1.b <> 30); a @@ -2973,7 +2973,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 8 func,func 1 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where Warnings: -Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`flag` = 'N')) +Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where (`test`.`t2`.`flag` = 'N') explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1; id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 diff --git a/mysql-test/r/subselect3.result b/mysql-test/r/subselect3.result index 049c4d14b1a..487ffe655c1 100644 --- a/mysql-test/r/subselect3.result +++ b/mysql-test/r/subselect3.result @@ -314,7 +314,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key Warnings: Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 -Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2` where ((`test`.`t2`.`b` = 10) and (`test`.`t2`.`a` = 10)) +Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2` where ((`test`.`t2`.`a` = 10) and (`test`.`t2`.`b` = 10)) drop table t1, t2; create table t1 (oref char(4), grp int, ie int); insert into t1 (oref, grp, ie) values @@ -1416,7 +1416,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY c eq_ref PRIMARY PRIMARY 4 test.cona.idContact 1 100.00 Using where 1 PRIMARY a eq_ref PRIMARY PRIMARY 4 test.c.idObj 1 100.00 Using index; End temporary Warnings: -Note 1003 select `test`.`a`.`idIndividual` AS `idIndividual` from `test`.`t1` `a` semi join (`test`.`t3` `cona` join `test`.`t2` `c`) where ((`test`.`c`.`idContact` = `test`.`cona`.`idContact`) and (`test`.`a`.`idIndividual` = `test`.`c`.`idObj`) and (`test`.`cona`.`postalStripped` = 'T2H3B2')) +Note 1003 select `test`.`a`.`idIndividual` AS `idIndividual` from `test`.`t1` `a` semi join (`test`.`t3` `cona` join `test`.`t2` `c`) where ((`test`.`cona`.`postalStripped` = 'T2H3B2') and (`test`.`a`.`idIndividual` = `test`.`c`.`idObj`) and (`test`.`c`.`idContact` = `test`.`cona`.`idContact`)) set @@optimizer_switch=@save_optimizer_switch; drop table t1,t2,t3; # diff --git a/mysql-test/r/subselect3_jcl6.result b/mysql-test/r/subselect3_jcl6.result index 815a8985d44..9cd3018718c 100644 --- a/mysql-test/r/subselect3_jcl6.result +++ b/mysql-test/r/subselect3_jcl6.result @@ -324,7 +324,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key Warnings: Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 -Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2` where ((`test`.`t2`.`b` = 10) and (`test`.`t2`.`a` = 10)) +Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2` where ((`test`.`t2`.`a` = 10) and (`test`.`t2`.`b` = 10)) drop table t1, t2; create table t1 (oref char(4), grp int, ie int); insert into t1 (oref, grp, ie) values @@ -1426,7 +1426,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY c eq_ref PRIMARY PRIMARY 4 test.cona.idContact 1 100.00 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan 1 PRIMARY a eq_ref PRIMARY PRIMARY 4 test.c.idObj 1 100.00 Using index; End temporary Warnings: -Note 1003 select `test`.`a`.`idIndividual` AS `idIndividual` from `test`.`t1` `a` semi join (`test`.`t3` `cona` join `test`.`t2` `c`) where ((`test`.`c`.`idContact` = `test`.`cona`.`idContact`) and (`test`.`a`.`idIndividual` = `test`.`c`.`idObj`) and (`test`.`cona`.`postalStripped` = 'T2H3B2')) +Note 1003 select `test`.`a`.`idIndividual` AS `idIndividual` from `test`.`t1` `a` semi join (`test`.`t3` `cona` join `test`.`t2` `c`) where ((`test`.`cona`.`postalStripped` = 'T2H3B2') and (`test`.`a`.`idIndividual` = `test`.`c`.`idObj`) and (`test`.`c`.`idContact` = `test`.`cona`.`idContact`)) set @@optimizer_switch=@save_optimizer_switch; drop table t1,t2,t3; # diff --git a/mysql-test/r/subselect_mat.result b/mysql-test/r/subselect_mat.result index 9bb26e8a6e0..53334dbc32b 100644 --- a/mysql-test/r/subselect_mat.result +++ b/mysql-test/r/subselect_mat.result @@ -1896,7 +1896,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00 Warnings: -Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from <materialize> (select max(`test`.`t2`.`c`) from `test`.`t2`) join `test`.`t1` where ((`test`.`t1`.`a` = `<subquery2>`.`MAX(c)`) and (`test`.`t1`.`b` = 7) and (<cache>(isnull(`<subquery2>`.`MAX(c)`)) or (`<subquery2>`.`MAX(c)` = 7))) +Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from <materialize> (select max(`test`.`t2`.`c`) from `test`.`t2`) join `test`.`t1` where ((`test`.`t1`.`b` = 7) and (`test`.`t1`.`a` = `<subquery2>`.`MAX(c)`) and (<cache>(isnull(`<subquery2>`.`MAX(c)`)) or (`<subquery2>`.`MAX(c)` = 7))) SELECT * FROM t1 WHERE a IN (SELECT MAX(c) FROM t2) AND b=7 AND (a IS NULL OR a=b); a b diff --git a/mysql-test/r/subselect_mat_cost_bugs.result b/mysql-test/r/subselect_mat_cost_bugs.result index 8c95c8637aa..24640154c59 100644 --- a/mysql-test/r/subselect_mat_cost_bugs.result +++ b/mysql-test/r/subselect_mat_cost_bugs.result @@ -100,7 +100,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 2 DEPENDENT SUBQUERY t2 index c3 c3 9 NULL 2 100.00 Using where; Using index; Using join buffer (flat, BNL join) Warnings: Note 1276 Field or reference 'test.t1.pk' of SELECT #2 was resolved in SELECT #1 -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` where <expr_cache><`test`.`t1`.`c1`,`test`.`t1`.`pk`>(<in_optimizer>(`test`.`t1`.`c1`,<exists>(select `test`.`t1a`.`c1` from `test`.`t1b` join `test`.`t2` left join `test`.`t1a` on((2 and (`test`.`t1a`.`c2` = `test`.`t1b`.`pk`))) where ((`test`.`t1`.`pk` <> 0) and (<cache>(`test`.`t1`.`c1`) = `test`.`t1a`.`c1`) and (`test`.`t2`.`c3` = `test`.`t1b`.`c4`))))) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` where <expr_cache><`test`.`t1`.`c1`,`test`.`t1`.`pk`>(<in_optimizer>(`test`.`t1`.`c1`,<exists>(select `test`.`t1a`.`c1` from `test`.`t1b` join `test`.`t2` left join `test`.`t1a` on(((`test`.`t1a`.`c2` = `test`.`t1b`.`pk`) and 2)) where ((`test`.`t1`.`pk` <> 0) and (<cache>(`test`.`t1`.`c1`) = `test`.`t1a`.`c1`) and (`test`.`t2`.`c3` = `test`.`t1b`.`c4`))))) SELECT pk FROM t1 WHERE c1 IN diff --git a/mysql-test/r/subselect_no_mat.result b/mysql-test/r/subselect_no_mat.result index c307a68f64d..feaeff50f7d 100644 --- a/mysql-test/r/subselect_no_mat.result +++ b/mysql-test/r/subselect_no_mat.result @@ -1464,7 +1464,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index Warnings: -Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t3`.`a` = `test`.`t1`.`b`)) +Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (`test`.`t1`.`a` = `test`.`t2`.`a`)) drop table t1, t2, t3; create table t1 (a int, b int, index a (a,b)); create table t2 (a int, index a (a)); @@ -1507,7 +1507,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index 1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2) Warnings: -Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`)) +Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`b` = `test`.`t3`.`a`) and (`test`.`t1`.`a` = `test`.`t2`.`a`)) insert into t1 values (3,31); select * from t2 where t2.a in (select a from t1 where t1.b <> 30); a @@ -2979,7 +2979,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t2 ALL NULL NULL NULL NULL 9 100.00 Using where; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`two` = `test`.`t1`.`two`) and (`test`.`t2`.`one` = `test`.`t1`.`one`) and (`test`.`t2`.`flag` = 'N')) +Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`flag` = 'N') and (`test`.`t2`.`one` = `test`.`t1`.`one`) and (`test`.`t2`.`two` = `test`.`t1`.`two`)) explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1; id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 diff --git a/mysql-test/r/subselect_no_scache.result b/mysql-test/r/subselect_no_scache.result index b6b5572815a..2fd58c075d2 100644 --- a/mysql-test/r/subselect_no_scache.result +++ b/mysql-test/r/subselect_no_scache.result @@ -1463,7 +1463,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index Warnings: -Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t3`.`a` = `test`.`t1`.`b`)) +Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (`test`.`t1`.`a` = `test`.`t2`.`a`)) drop table t1, t2, t3; create table t1 (a int, b int, index a (a,b)); create table t2 (a int, index a (a)); @@ -1506,7 +1506,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index 1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2) Warnings: -Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`)) +Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`b` = `test`.`t3`.`a`) and (`test`.`t1`.`a` = `test`.`t2`.`a`)) insert into t1 values (3,31); select * from t2 where t2.a in (select a from t1 where t1.b <> 30); a @@ -2979,7 +2979,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 8 func,func 1 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where Warnings: -Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`flag` = 'N')) +Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where (`test`.`t2`.`flag` = 'N') explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1; id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 diff --git a/mysql-test/r/subselect_sj.result b/mysql-test/r/subselect_sj.result index d9fa9853da5..a4e4922474e 100644 --- a/mysql-test/r/subselect_sj.result +++ b/mysql-test/r/subselect_sj.result @@ -74,7 +74,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t10 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 100.00 Using where 1 PRIMARY t12 eq_ref PRIMARY PRIMARY 4 test.t10.a 1 100.00 Using index Warnings: -Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t10` join `test`.`t12` join `test`.`t1` where ((`test`.`t10`.`pk` = `test`.`t1`.`a`) and (`test`.`t12`.`pk` = `test`.`t10`.`a`)) +Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t10` join `test`.`t12` join `test`.`t1` where ((`test`.`t12`.`pk` = `test`.`t10`.`a`) and (`test`.`t10`.`pk` = `test`.`t1`.`a`)) subqueries within outer joins go into ON expr. explAin extended select * from t1 left join (t2 A, t2 B) on ( A.A= t1.A And B.A in (select pk from t10)); @@ -84,7 +84,7 @@ id select_type tABle type possiBle_keys key key_len ref rows filtered ExtrA 1 PRIMARY B ALL NULL NULL NULL NULL 3 100.00 Using where 2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index Warnings: -Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`A`.`A` AS `A`,`test`.`A`.`B` AS `B`,`test`.`B`.`A` AS `A`,`test`.`B`.`B` AS `B` from `test`.`t1` left join (`test`.`t2` `A` join `test`.`t2` `B`) on((<in_optimizer>(`test`.`B`.`A`,`test`.`B`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`B`.`A` in <temporAry tABle> on distinct_key where ((`test`.`B`.`A` = `<suBquery2>`.`pk`))))) And (`test`.`A`.`A` = `test`.`t1`.`A`))) where 1 +Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`A`.`A` AS `A`,`test`.`A`.`B` AS `B`,`test`.`B`.`A` AS `A`,`test`.`B`.`B` AS `B` from `test`.`t1` left join (`test`.`t2` `A` join `test`.`t2` `B`) on(((`test`.`A`.`A` = `test`.`t1`.`A`) And <in_optimizer>(`test`.`B`.`A`,`test`.`B`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`B`.`A` in <temporAry tABle> on distinct_key where ((`test`.`B`.`A` = `<suBquery2>`.`pk`))))))) where 1 t2 should be wrapped into OJ-nest, so we have "t1 LJ (t2 J t10)" explAin extended select * from t1 left join t2 on (t2.A= t1.A And t2.A in (select pk from t10)); @@ -93,7 +93,7 @@ id select_type tABle type possiBle_keys key key_len ref rows filtered ExtrA 1 PRIMARY t2 ALL NULL NULL NULL NULL 3 100.00 Using where 2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index Warnings: -Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`t2`.`A` AS `A`,`test`.`t2`.`B` AS `B` from `test`.`t1` left join `test`.`t2` on((<in_optimizer>(`test`.`t2`.`A`,`test`.`t2`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`t2`.`A` in <temporAry tABle> on distinct_key where ((`test`.`t2`.`A` = `<suBquery2>`.`pk`))))) And (`test`.`t2`.`A` = `test`.`t1`.`A`))) where 1 +Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`t2`.`A` AS `A`,`test`.`t2`.`B` AS `B` from `test`.`t1` left join `test`.`t2` on(((`test`.`t2`.`A` = `test`.`t1`.`A`) And <in_optimizer>(`test`.`t1`.`A`,`test`.`t1`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`t1`.`A` in <temporAry tABle> on distinct_key where ((`test`.`t1`.`A` = `<suBquery2>`.`pk`))))))) where 1 we shouldn't flatten if we're going to get a join of > MAX_TABLES. explain select * from t1 s00, t1 s01, t1 s02, t1 s03, t1 s04,t1 s05,t1 s06,t1 s07,t1 s08,t1 s09, @@ -501,7 +501,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t0.pk 1 100.00 Using where 1 PRIMARY t2 ref vkey vkey 4 test.t1.vnokey 2 100.00 Using index; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t0`.`vkey` AS `vkey` from `test`.`t0` `t1` semi join (`test`.`t0` `t2`) join `test`.`t0` where ((`test`.`t2`.`vkey` = `test`.`t1`.`vnokey`) and (`test`.`t1`.`pk` = `test`.`t0`.`pk`)) +Note 1003 select `test`.`t0`.`vkey` AS `vkey` from `test`.`t0` `t1` semi join (`test`.`t0` `t2`) join `test`.`t0` where ((`test`.`t1`.`pk` = `test`.`t0`.`pk`) and (`test`.`t2`.`vkey` = `test`.`t1`.`vnokey`)) SELECT vkey FROM t0 WHERE pk IN (SELECT t1.pk FROM t0 t1 JOIN t0 t2 ON t2.vkey = t1.vnokey); vkey @@ -814,7 +814,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`c` = `test`.`t1`.`c`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`c` = `test`.`t1`.`c`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, c) IN (SELECT b, c FROM t2 WHERE pk > 0); pk 1 @@ -824,7 +824,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`d` = `test`.`t1`.`d`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`d` = `test`.`t1`.`d`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, d) IN (SELECT b, d FROM t2 WHERE pk > 0); pk 2 @@ -833,7 +833,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`e` = `test`.`t1`.`e`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`e` = `test`.`t1`.`e`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, e) IN (SELECT b, e FROM t2 WHERE pk > 0); pk 1 @@ -843,7 +843,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`f` = `test`.`t1`.`f`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`f` = `test`.`t1`.`f`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, f) IN (SELECT b, f FROM t2 WHERE pk > 0); pk 1 @@ -853,7 +853,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`g` = `test`.`t1`.`g`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`g` = `test`.`t1`.`g`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, g) IN (SELECT b, g FROM t2 WHERE pk > 0); pk 1 @@ -863,7 +863,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`h` = `test`.`t1`.`h`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`h` = `test`.`t1`.`h`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, h) IN (SELECT b, h FROM t2 WHERE pk > 0); pk 1 @@ -873,7 +873,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`i` = `test`.`t1`.`i`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`i` = `test`.`t1`.`i`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, i) IN (SELECT b, i FROM t2 WHERE pk > 0); pk 1 @@ -883,7 +883,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`j` = `test`.`t1`.`j`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`j` = `test`.`t1`.`j`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, j) IN (SELECT b, j FROM t2 WHERE pk > 0); pk 1 @@ -893,7 +893,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`k` = `test`.`t1`.`k`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`k` = `test`.`t1`.`k`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, k) IN (SELECT b, k FROM t2 WHERE pk > 0); pk 1 @@ -1994,7 +1994,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t3 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f2` AS `f2`,`test`.`t2`.`f3` AS `f3`,`test`.`t3`.`f3` AS `f3` from `test`.`t1` semi join (`test`.`t4`) join `test`.`t2` join `test`.`t3` where ((`test`.`t1`.`f2` = `test`.`t2`.`f2`) and (`test`.`t3`.`f1` = `test`.`t1`.`f1`) and (`test`.`t4`.`f2` = `test`.`t2`.`f3`)) +Note 1003 select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f2` AS `f2`,`test`.`t2`.`f3` AS `f3`,`test`.`t3`.`f3` AS `f3` from `test`.`t1` semi join (`test`.`t4`) join `test`.`t2` join `test`.`t3` where ((`test`.`t4`.`f2` = `test`.`t2`.`f3`) and (`test`.`t3`.`f1` = `test`.`t1`.`f1`) and (`test`.`t1`.`f2` = `test`.`t2`.`f2`)) SELECT * FROM t1 NATURAL LEFT JOIN (t2, t3) WHERE t2.f3 IN (SELECT * FROM t4); f1 f2 f3 f3 2 0 0 0 diff --git a/mysql-test/r/subselect_sj2.result b/mysql-test/r/subselect_sj2.result index 97e36cd705c..c4b9933ae07 100644 --- a/mysql-test/r/subselect_sj2.result +++ b/mysql-test/r/subselect_sj2.result @@ -456,7 +456,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ref a a 5 test.t0.a 1 100.00 Using where; FirstMatch(t2) Warnings: Note 1276 Field or reference 'test.t0.a' of SELECT #2 was resolved in SELECT #1 -Note 1003 select `test`.`t0`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) join `test`.`t0` where ((`test`.`t1`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`a` = `test`.`t0`.`a`)) +Note 1003 select `test`.`t0`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) join `test`.`t0` where ((`test`.`t2`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`b` = `test`.`t2`.`b`)) update t1 set a=3, b=11 where a=4; update t2 set b=11 where a=3; select * from t0 where t0.a in diff --git a/mysql-test/r/subselect_sj2_jcl6.result b/mysql-test/r/subselect_sj2_jcl6.result index e4030b8138b..d9b9815133c 100644 --- a/mysql-test/r/subselect_sj2_jcl6.result +++ b/mysql-test/r/subselect_sj2_jcl6.result @@ -468,7 +468,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ref a a 5 test.t0.a 1 100.00 Using where; FirstMatch(t2); Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan Warnings: Note 1276 Field or reference 'test.t0.a' of SELECT #2 was resolved in SELECT #1 -Note 1003 select `test`.`t0`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) join `test`.`t0` where ((`test`.`t1`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`a` = `test`.`t0`.`a`)) +Note 1003 select `test`.`t0`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) join `test`.`t0` where ((`test`.`t2`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`b` = `test`.`t2`.`b`)) update t1 set a=3, b=11 where a=4; update t2 set b=11 where a=3; # Not anymore: diff --git a/mysql-test/r/subselect_sj2_mat.result b/mysql-test/r/subselect_sj2_mat.result index f69befc8608..c91ee67a717 100644 --- a/mysql-test/r/subselect_sj2_mat.result +++ b/mysql-test/r/subselect_sj2_mat.result @@ -458,7 +458,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ref a a 5 test.t0.a 1 100.00 Using where; FirstMatch(t2) Warnings: Note 1276 Field or reference 'test.t0.a' of SELECT #2 was resolved in SELECT #1 -Note 1003 select `test`.`t0`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) join `test`.`t0` where ((`test`.`t1`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`a` = `test`.`t0`.`a`)) +Note 1003 select `test`.`t0`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) join `test`.`t0` where ((`test`.`t2`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`b` = `test`.`t2`.`b`)) update t1 set a=3, b=11 where a=4; update t2 set b=11 where a=3; select * from t0 where t0.a in @@ -1124,3 +1124,267 @@ AND ( 6 ) IN ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET MAX_JOIN_SIZE=# if the SELECT is okay DROP TABLE t1, t2; set max_join_size= @tmp_906385; +# +# mdev-3995: Wrong result for semijoin with materialization +# +set @save_optimizer_switch=@@optimizer_switch; +CREATE TABLE t1 ( +cat_id int(10) unsigned NOT NULL, +PRIMARY KEY (cat_id) +) ENGINE=MyISAM; +INSERT INTO t1 VALUES +(709411),(709412),(709413),(709414),(709416),(709417),(709418),(709419),(709421),(709422), +(709424),(709425),(709427),(709428),(709429),(709431),(709432),(709433),(709434),(709435), +(709438),(709439),(709441),(709442),(709443),(709444),(709445),(709446),(709447),(709450), +(709451),(709454),(709455),(709456),(709457),(709459),(709460),(709461),(709462),(709463), +(709464),(709465),(709467),(709469),(709470),(709471),(709472),(709473),(709474),(709475), +(709476),(709477),(709478),(709479),(709480),(709481),(709483),(709484),(709485),(709487), +(709490),(709491),(709492),(709493),(709494),(709495),(709496),(709497),(709498),(709499), +(709500),(709501),(709502),(709503),(709504),(709505),(709506),(709507),(709509),(709510), +(709511),(709512),(709513),(709514),(709515),(709516),(709517),(709518),(709519),(709520), +(709521),(709522),(709523),(709524),(709525),(709526),(709527),(709528),(709529),(709530), +(709531),(709532),(709533),(709534),(709535),(709536),(709537),(709538),(709539),(709540), +(709541),(709542),(709543),(709544),(709545),(709546),(709548),(709549),(709551),(709552), +(709553),(709555),(709556),(709557),(709558),(709559),(709560),(709561),(709562),(709563), +(709564),(709565),(709566),(709567),(709568),(709569),(709570),(709571),(709572),(709573), +(709574),(709575),(709576),(709577),(709578),(709579),(709580),(709581),(709582),(709583), +(709584),(709585),(709586),(709587),(709588),(709590),(709591),(709592),(709593),(709594), +(709595),(709596),(709597),(709598),(709600),(709601),(709602),(709603),(709604),(709605), +(709606),(709608),(709609),(709610),(709611),(709612),(709613),(709614),(709615),(709616), +(709617),(709618),(709619),(709620),(709621),(709622),(709623),(709624),(709625),(709626), +(709627),(709628),(709629),(709630),(709631),(709632),(709633),(709634),(709635),(709637), +(709638),(709639),(709640),(709641),(709642),(709643),(709644),(709645),(709646),(709649), +(709650),(709651),(709652),(709653),(709654),(709655),(709656),(709657),(709658),(709659); +CREATE TABLE t2 ( +cat_id int(10) NOT NULL, +KEY cat_id (cat_id) +) ENGINE=MyISAM; +INSERT INTO t2 VALUES +(708742),(708755),(708759),(708761),(708766),(708769),(708796),(708798),(708824),(708825), +(708838),(708844),(708861),(708882),(708887),(708889),(708890),(709586),(709626); +CREATE TABLE t3 ( +sack_id int(10) unsigned NOT NULL, +kit_id tinyint(3) unsigned NOT NULL DEFAULT '0', +cat_id int(10) unsigned NOT NULL, +PRIMARY KEY (sack_id,kit_id,cat_id) +) ENGINE=MyISAM; +INSERT INTO t3 VALUES +(33479,6,708523),(33479,6,708632),(33479,6,709085),(33479,6,709586),(33479,6,709626); +CREATE TABLE t4 ( +cat_id int(10) unsigned NOT NULL, +KEY cat_id (cat_id) +) ENGINE=MyISAM; +INSERT INTO t4 (cat_id) SELECT cat_id from t2; +set optimizer_switch='materialization=off'; +EXPLAIN +SELECT count(*) FROM t1, t3 +WHERE t1.cat_id = t3.cat_id AND +t3.cat_id IN (SELECT cat_id FROM t2) AND +t3.sack_id = 33479 AND t3.kit_id = 6; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t3 ref PRIMARY PRIMARY 5 const,const 4 Using index +1 PRIMARY t2 ref cat_id cat_id 4 test.t3.cat_id 2 Using where; Using index; FirstMatch(t3) +1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t2.cat_id 1 Using where; Using index +SELECT count(*) FROM t1, t3 +WHERE t1.cat_id = t3.cat_id AND +t3.cat_id IN (SELECT cat_id FROM t2) AND +t3.sack_id = 33479 AND t3.kit_id = 6; +count(*) +2 +set optimizer_switch='materialization=on'; +EXPLAIN +SELECT count(*) FROM t1, t3 +WHERE t1.cat_id = t3.cat_id AND +t3.cat_id IN (SELECT cat_id FROM t4) AND +t3.sack_id = 33479 AND t3.kit_id = 6; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t3 ref PRIMARY PRIMARY 5 const,const 4 Using index +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 +1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t3.cat_id 1 Using index +2 MATERIALIZED t4 index cat_id cat_id 4 NULL 19 Using index +SELECT count(*) FROM t1, t3 +WHERE t1.cat_id = t3.cat_id AND +t3.cat_id IN (SELECT cat_id FROM t4) AND +t3.sack_id = 33479 AND t3.kit_id = 6; +count(*) +2 +EXPLAIN +SELECT count(*) FROM t1, t3 +WHERE t1.cat_id = t3.cat_id AND +t3.cat_id IN (SELECT cat_id FROM t2) AND +t3.sack_id = 33479 AND t3.kit_id = 6; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t3 ref PRIMARY PRIMARY 5 const,const 4 Using index +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 Using where +1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t3.cat_id 1 Using index +2 MATERIALIZED t2 index cat_id cat_id 4 NULL 19 Using index +SELECT count(*) FROM t1, t3 +WHERE t1.cat_id = t3.cat_id AND +t3.cat_id IN (SELECT cat_id FROM t2) AND +t3.sack_id = 33479 AND t3.kit_id = 6; +count(*) +2 +DROP TABLE t1,t2,t3,t4; +set optimizer_switch=@save_optimizer_switch; +# +# mdev-3913: LEFT JOIN with materialized multi-table IN subquery in WHERE +# +set @save_optimizer_switch=@@optimizer_switch; +CREATE TABLE t1 (a1 char(1), b1 char(1), index idx(b1,a1)); +INSERT INTO t1 VALUES ('f','c'),('d','m'),('g','y'); +INSERT INTO t1 VALUES ('f','c'),('d','m'),('g','y'); +CREATE TABLE t2 (a2 char(1), b2 char(1)); +INSERT INTO t2 VALUES ('y','y'),('y','y'),('w','w'); +CREATE TABLE t3 (a3 int); +INSERT INTO t3 VALUES (8),(6); +CREATE TABLE t4 (a4 char(1), b4 char(1)); +INSERT INTO t4 VALUES ('y','y'),('y','y'),('w','w'); +set optimizer_switch='materialization=off'; +EXPLAIN EXTENDED +SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 ) +WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00 Start temporary +1 PRIMARY t4 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) +1 PRIMARY t1 ref idx idx 2 test.t4.a4 1 100.00 Using index; End temporary +1 PRIMARY t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) +Warnings: +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`b1` AS `b1`,`test`.`t2`.`a2` AS `a2`,`test`.`t2`.`b2` AS `b2` from `test`.`t1` semi join (`test`.`t3` join `test`.`t4`) left join `test`.`t2` on((`test`.`t2`.`a2` = `test`.`t4`.`a4`)) where ((`test`.`t4`.`b4` = `test`.`t4`.`a4`) and (`test`.`t1`.`b1` = `test`.`t4`.`a4`)) +SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 ) +WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4); +a1 b1 a2 b2 +g y y y +g y y y +g y y y +g y y y +set optimizer_switch='materialization=on'; +EXPLAIN EXTENDED +SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 ) +WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 3 100.00 +1 PRIMARY t1 ref idx idx 2 test.t4.a4 1 100.00 Using index +1 PRIMARY t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 +2 MATERIALIZED t4 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) +Warnings: +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`b1` AS `b1`,`test`.`t2`.`a2` AS `a2`,`test`.`t2`.`b2` AS `b2` from `test`.`t1` semi join (`test`.`t3` join `test`.`t4`) left join `test`.`t2` on(((`test`.`t1`.`b1` = `test`.`t4`.`a4`) and (`test`.`t2`.`a2` = `test`.`t4`.`a4`))) where ((`test`.`t4`.`b4` = `test`.`t4`.`a4`) and (`test`.`t1`.`b1` = `test`.`t4`.`a4`)) +SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 ) +WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4); +a1 b1 a2 b2 +g y y y +g y y y +g y y y +g y y y +DROP TABLE t1,t2,t3,t4; +set optimizer_switch=@save_optimizer_switch; +# +# mdev-4172: LEFT JOIN with materialized multi-table IN subquery in WHERE +# and OR in ON condition +# +set @save_optimizer_switch=@@optimizer_switch; +CREATE TABLE t1 (a1 int, c1 varchar(1)); +INSERT t1 VALUES (7,'v'), (3,'y'); +CREATE TABLE t2 (c2 varchar(1)); +INSERT INTO t2 VALUES ('y'), ('y'); +CREATE TABLE t3 (c3 varchar(1)); +INSERT INTO t3 VALUES +('j'), ('v'), ('c'), ('m'), ('d'), +('d'), ('y'), ('t'), ('d'), ('s'); +CREATE TABLE t4 (a4 int, c4 varchar(1)); +INSERT INTO t4 SELECT * FROM t1; +set optimizer_switch='materialization=off'; +EXPLAIN EXTENDED +SELECT * FROM t1 LEFT JOIN t2 ON (c2 = c1 OR c1 > 'z') +WHERE c1 IN ( SELECT c4 FROM t3,t4 WHERE c3 = c4); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 +1 PRIMARY t4 ALL NULL NULL NULL NULL 2 100.00 Using where; Start temporary; Using join buffer (flat, BNL join) +1 PRIMARY t3 ALL NULL NULL NULL NULL 10 100.00 Using where; End temporary; Using join buffer (flat, BNL join) +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +Warnings: +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`c1` AS `c1`,`test`.`t2`.`c2` AS `c2` from `test`.`t1` semi join (`test`.`t3` join `test`.`t4`) left join `test`.`t2` on(((`test`.`t2`.`c2` = `test`.`t1`.`c1`) or (`test`.`t1`.`c1` > 'z'))) where ((`test`.`t4`.`c4` = `test`.`t1`.`c1`) and (`test`.`t3`.`c3` = `test`.`t1`.`c1`)) +SELECT * FROM t1 LEFT JOIN t2 ON (c2 = c1 OR c1 > 'z') +WHERE c1 IN ( SELECT c4 FROM t3,t4 WHERE c3 = c4); +a1 c1 c2 +3 y y +3 y y +7 v NULL +set optimizer_switch='materialization=on'; +EXPLAIN EXTENDED +SELECT * FROM t1 LEFT JOIN t2 ON (c2 = c1 OR c1 > 'z') +WHERE c1 IN ( SELECT c4 FROM t3,t4 WHERE c3 = c4); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 +1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00 +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +2 MATERIALIZED t4 ALL NULL NULL NULL NULL 2 100.00 +2 MATERIALIZED t3 ALL NULL NULL NULL NULL 10 100.00 Using where; Using join buffer (flat, BNL join) +Warnings: +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`c1` AS `c1`,`test`.`t2`.`c2` AS `c2` from `test`.`t1` semi join (`test`.`t3` join `test`.`t4`) left join `test`.`t2` on(((`test`.`t2`.`c2` = `test`.`t1`.`c1`) or (`test`.`t1`.`c1` > 'z'))) where (`test`.`t3`.`c3` = `test`.`t4`.`c4`) +SELECT * FROM t1 LEFT JOIN t2 ON (c2 = c1 OR c1 > 'z') +WHERE c1 IN ( SELECT c4 FROM t3,t4 WHERE c3 = c4); +a1 c1 c2 +3 y y +3 y y +7 v NULL +DROP TABLE t1,t2,t3,t4; +set optimizer_switch=@save_optimizer_switch; +# +# mdev-4177: materialization of a subquery whose WHERE condition is OR +# formula with two disjucts such that the second one is always false +# +set @save_optimizer_switch=@@optimizer_switch; +set @save_join_cache_level=@@join_cache_level; +CREATE TABLE t1 (i1 int) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1), (7), (4), (8), (4); +CREATE TABLE t2 (i2 int) ENGINE=MyISAM; +INSERT INTO t2 VALUES (7), (5); +CREATE TABLE t3 (i3 int) ENGINE=MyISAM; +INSERT INTO t3 VALUES (7), (2), (9); +set join_cache_level=3; +set optimizer_switch='materialization=off,semijoin=off'; +EXPLAIN EXTENDED +SELECT * FROM t1 WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 = i2 OR 1=2); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 5 100.00 Using where +2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 +2 DEPENDENT SUBQUERY t3 hash_ALL NULL #hash#$hj 5 func 3 100.00 Using where; Using join buffer (flat, BNLH join) +Warnings: +Note 1003 select `test`.`t1`.`i1` AS `i1` from `test`.`t1` where <expr_cache><`test`.`t1`.`i1`>(<in_optimizer>(`test`.`t1`.`i1`,<exists>(select `test`.`t3`.`i3` from `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`i3` = `test`.`t2`.`i2`) and (<cache>(`test`.`t1`.`i1`) = `test`.`t3`.`i3`))))) +SELECT * FROM t1 WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 = i2 OR 1=2); +i1 +7 +set optimizer_switch='materialization=on,semijoin=on'; +EXPLAIN EXTENDED +SELECT * FROM t1 WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 = i2 OR 1=2); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 3 100.00 +1 PRIMARY t1 hash_ALL NULL #hash#$hj 5 test.t2.i2 5 100.00 Using where; Using join buffer (flat, BNLH join) +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00 Using where +2 MATERIALIZED t3 hash_ALL NULL #hash#$hj 5 test.t2.i2 3 100.00 Using where; Using join buffer (flat, BNLH join) +Warnings: +Note 1003 select `test`.`t1`.`i1` AS `i1` from `test`.`t1` semi join (`test`.`t2` join `test`.`t3`) where ((`test`.`t3`.`i3` = `test`.`t2`.`i2`) and (`test`.`t1`.`i1` = `test`.`t2`.`i2`)) +SELECT * FROM t1 WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 = i2 OR 1=2); +i1 +7 +EXPLAIN EXTENDED +SELECT * FROM t1 +WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 > 0 AND i3 = i2 OR 1=2); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 3 100.00 +1 PRIMARY t1 hash_ALL NULL #hash#$hj 5 test.t2.i2 5 100.00 Using where; Using join buffer (flat, BNLH join) +2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00 Using where +2 MATERIALIZED t3 hash_ALL NULL #hash#$hj 5 test.t2.i2 3 100.00 Using where; Using join buffer (flat, BNLH join) +Warnings: +Note 1003 select `test`.`t1`.`i1` AS `i1` from `test`.`t1` semi join (`test`.`t2` join `test`.`t3`) where ((`test`.`t3`.`i3` = `test`.`t2`.`i2`) and (`test`.`t1`.`i1` = `test`.`t2`.`i2`) and (`test`.`t3`.`i3` > 0)) +SELECT * FROM t1 +WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 > 0 AND i3 = i2 OR 1=2); +i1 +7 +SELECT * FROM t1 +WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 > 7 AND i3 = i2 OR 1=2); +i1 +DROP TABLE t1,t2,t3; +set join_cache_level= @save_join_cache_level; +set optimizer_switch=@save_optimizer_switch; diff --git a/mysql-test/r/subselect_sj_jcl6.result b/mysql-test/r/subselect_sj_jcl6.result index 1ca8b44a0b8..4e67c1cc01c 100644 --- a/mysql-test/r/subselect_sj_jcl6.result +++ b/mysql-test/r/subselect_sj_jcl6.result @@ -87,7 +87,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t10 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 100.00 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan 1 PRIMARY t12 eq_ref PRIMARY PRIMARY 4 test.t10.a 1 100.00 Using index Warnings: -Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t10` join `test`.`t12` join `test`.`t1` where ((`test`.`t10`.`pk` = `test`.`t1`.`a`) and (`test`.`t12`.`pk` = `test`.`t10`.`a`)) +Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t10` join `test`.`t12` join `test`.`t1` where ((`test`.`t12`.`pk` = `test`.`t10`.`a`) and (`test`.`t10`.`pk` = `test`.`t1`.`a`)) subqueries within outer joins go into ON expr. explAin extended select * from t1 left join (t2 A, t2 B) on ( A.A= t1.A And B.A in (select pk from t10)); @@ -97,7 +97,7 @@ id select_type tABle type possiBle_keys key key_len ref rows filtered ExtrA 1 PRIMARY B ALL NULL NULL NULL NULL 3 100.00 Using where; Using join Buffer (incrementAl, BNL join) 2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index Warnings: -Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`A`.`A` AS `A`,`test`.`A`.`B` AS `B`,`test`.`B`.`A` AS `A`,`test`.`B`.`B` AS `B` from `test`.`t1` left join (`test`.`t2` `A` join `test`.`t2` `B`) on((<in_optimizer>(`test`.`B`.`A`,`test`.`B`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`B`.`A` in <temporAry tABle> on distinct_key where ((`test`.`B`.`A` = `<suBquery2>`.`pk`))))) And (`test`.`A`.`A` = `test`.`t1`.`A`))) where 1 +Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`A`.`A` AS `A`,`test`.`A`.`B` AS `B`,`test`.`B`.`A` AS `A`,`test`.`B`.`B` AS `B` from `test`.`t1` left join (`test`.`t2` `A` join `test`.`t2` `B`) on(((`test`.`A`.`A` = `test`.`t1`.`A`) And <in_optimizer>(`test`.`B`.`A`,`test`.`B`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`B`.`A` in <temporAry tABle> on distinct_key where ((`test`.`B`.`A` = `<suBquery2>`.`pk`))))))) where 1 t2 should be wrapped into OJ-nest, so we have "t1 LJ (t2 J t10)" explAin extended select * from t1 left join t2 on (t2.A= t1.A And t2.A in (select pk from t10)); @@ -106,7 +106,7 @@ id select_type tABle type possiBle_keys key key_len ref rows filtered ExtrA 1 PRIMARY t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join Buffer (flAt, BNL join) 2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index Warnings: -Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`t2`.`A` AS `A`,`test`.`t2`.`B` AS `B` from `test`.`t1` left join `test`.`t2` on((<in_optimizer>(`test`.`t2`.`A`,`test`.`t2`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`t2`.`A` in <temporAry tABle> on distinct_key where ((`test`.`t2`.`A` = `<suBquery2>`.`pk`))))) And (`test`.`t2`.`A` = `test`.`t1`.`A`))) where 1 +Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`t2`.`A` AS `A`,`test`.`t2`.`B` AS `B` from `test`.`t1` left join `test`.`t2` on(((`test`.`t2`.`A` = `test`.`t1`.`A`) And <in_optimizer>(`test`.`t1`.`A`,`test`.`t1`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`t1`.`A` in <temporAry tABle> on distinct_key where ((`test`.`t1`.`A` = `<suBquery2>`.`pk`))))))) where 1 we shouldn't flatten if we're going to get a join of > MAX_TABLES. explain select * from t1 s00, t1 s01, t1 s02, t1 s03, t1 s04,t1 s05,t1 s06,t1 s07,t1 s08,t1 s09, @@ -514,7 +514,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t0.pk 1 100.00 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan 1 PRIMARY t2 ref vkey vkey 4 test.t1.vnokey 2 100.00 Using index; FirstMatch(t1) Warnings: -Note 1003 select `test`.`t0`.`vkey` AS `vkey` from `test`.`t0` `t1` semi join (`test`.`t0` `t2`) join `test`.`t0` where ((`test`.`t2`.`vkey` = `test`.`t1`.`vnokey`) and (`test`.`t1`.`pk` = `test`.`t0`.`pk`)) +Note 1003 select `test`.`t0`.`vkey` AS `vkey` from `test`.`t0` `t1` semi join (`test`.`t0` `t2`) join `test`.`t0` where ((`test`.`t1`.`pk` = `test`.`t0`.`pk`) and (`test`.`t2`.`vkey` = `test`.`t1`.`vnokey`)) SELECT vkey FROM t0 WHERE pk IN (SELECT t1.pk FROM t0 t1 JOIN t0 t2 ON t2.vkey = t1.vnokey); vkey @@ -827,7 +827,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1); Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`c` = `test`.`t1`.`c`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`c` = `test`.`t1`.`c`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, c) IN (SELECT b, c FROM t2 WHERE pk > 0); pk 1 @@ -837,7 +837,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1); Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`d` = `test`.`t1`.`d`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`d` = `test`.`t1`.`d`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, d) IN (SELECT b, d FROM t2 WHERE pk > 0); pk 2 @@ -846,7 +846,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1); Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`e` = `test`.`t1`.`e`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`e` = `test`.`t1`.`e`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, e) IN (SELECT b, e FROM t2 WHERE pk > 0); pk 1 @@ -856,7 +856,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1); Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`f` = `test`.`t1`.`f`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`f` = `test`.`t1`.`f`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, f) IN (SELECT b, f FROM t2 WHERE pk > 0); pk 1 @@ -866,7 +866,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1); Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`g` = `test`.`t1`.`g`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`g` = `test`.`t1`.`g`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, g) IN (SELECT b, g FROM t2 WHERE pk > 0); pk 1 @@ -876,7 +876,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1); Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`h` = `test`.`t1`.`h`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`h` = `test`.`t1`.`h`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, h) IN (SELECT b, h FROM t2 WHERE pk > 0); pk 1 @@ -886,7 +886,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1); Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`i` = `test`.`t1`.`i`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`i` = `test`.`t1`.`i`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, i) IN (SELECT b, i FROM t2 WHERE pk > 0); pk 1 @@ -896,7 +896,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1); Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`j` = `test`.`t1`.`j`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`j` = `test`.`t1`.`j`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, j) IN (SELECT b, j FROM t2 WHERE pk > 0); pk 1 @@ -906,7 +906,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t2 range PRIMARY PRIMARY 4 NULL 2 100.00 Using index condition; Using where; Rowid-ordered scan; FirstMatch(t1); Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`k` = `test`.`t1`.`k`) and (`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`pk` > 0)) +Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = `test`.`t1`.`b`) and (`test`.`t2`.`k` = `test`.`t1`.`k`) and (`test`.`t2`.`pk` > 0)) SELECT pk FROM t1 WHERE (b, k) IN (SELECT b, k FROM t2 WHERE pk > 0); pk 1 @@ -2008,7 +2008,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (incremental, BNL join) 2 MATERIALIZED t4 index f2 f2 5 NULL 2 100.00 Using index Warnings: -Note 1003 select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f2` AS `f2`,`test`.`t2`.`f3` AS `f3`,`test`.`t3`.`f3` AS `f3` from `test`.`t1` semi join (`test`.`t4`) join `test`.`t2` join `test`.`t3` where ((`test`.`t1`.`f2` = `test`.`t2`.`f2`) and (`test`.`t3`.`f1` = `test`.`t1`.`f1`)) +Note 1003 select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f2` AS `f2`,`test`.`t2`.`f3` AS `f3`,`test`.`t3`.`f3` AS `f3` from `test`.`t1` semi join (`test`.`t4`) join `test`.`t2` join `test`.`t3` where ((`test`.`t3`.`f1` = `test`.`t1`.`f1`) and (`test`.`t1`.`f2` = `test`.`t2`.`f2`)) SELECT * FROM t1 NATURAL LEFT JOIN (t2, t3) WHERE t2.f3 IN (SELECT * FROM t4); f1 f2 f3 f3 2 0 0 0 diff --git a/mysql-test/r/subselect_sj_mat.result b/mysql-test/r/subselect_sj_mat.result index f8598a3864d..549282c9dbe 100644 --- a/mysql-test/r/subselect_sj_mat.result +++ b/mysql-test/r/subselect_sj_mat.result @@ -86,7 +86,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using temporary Warnings: -Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2`.`b1`,min(`test`.`t2`.`b2`) from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1`) join `test`.`t1` where ((`<subquery2>`.`min(b2)` = `test`.`t1`.`a2`) and (`<subquery2>`.`b1` = `test`.`t1`.`a1`)) +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2`.`b1`,min(`test`.`t2`.`b2`) from `test`.`t2` where (`test`.`t2`.`b1` > '0') group by `test`.`t2`.`b1`) join `test`.`t1` where ((`<subquery2>`.`b1` = `test`.`t1`.`a1`) and (`<subquery2>`.`min(b2)` = `test`.`t1`.`a2`)) select * from t1 where (a1, a2) in (select b1, min(b2) from t2 where b1 > '0' group by b1); a1 a2 1 - 01 2 - 01 @@ -120,7 +120,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t2i index it2i1,it2i2,it2i3 it2i3 # NULL 5 40.00 Using where; Using index; LooseScan 1 PRIMARY t1i ref _it1_idx _it1_idx # _ref_ 1 100.00 Warnings: -Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` semi join (`test`.`t2i`) where ((`test`.`t1i`.`a2` = `test`.`t2i`.`b2`) and (`test`.`t1i`.`a1` = `test`.`t2i`.`b1`) and (`test`.`t2i`.`b1` > '0')) +Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` semi join (`test`.`t2i`) where ((`test`.`t1i`.`a1` = `test`.`t2i`.`b1`) and (`test`.`t1i`.`a2` = `test`.`t2i`.`b2`) and (`test`.`t2i`.`b1` > '0')) select * from t1i where (a1, a2) in (select b1, b2 from t2i where b1 > '0'); a1 a2 1 - 01 2 - 01 @@ -132,7 +132,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY <subquery2> eq_ref distinct_key # # # 1 100.00 # 2 MATERIALIZED t2i range it2i1,it2i3 # # # 3 100.00 # Warnings: -Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1`) join `test`.`t1i` where ((`<subquery2>`.`max(b2)` = `test`.`t1i`.`a2`) and (`<subquery2>`.`b1` = `test`.`t1i`.`a1`)) +Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1`) join `test`.`t1i` where ((`<subquery2>`.`b1` = `test`.`t1i`.`a1`) and (`<subquery2>`.`max(b2)` = `test`.`t1i`.`a2`)) select * from t1i where (a1, a2) in (select b1, max(b2) from t2i where b1 > '0' group by b1); a1 a2 1 - 01 2 - 01 @@ -144,7 +144,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY <subquery2> eq_ref distinct_key # # # 1 100.00 # 2 MATERIALIZED t2i range it2i1,it2i3 # # # 3 100.00 # Warnings: -Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1`) join `test`.`t1i` where ((`<subquery2>`.`min(b2)` = `test`.`t1i`.`a2`) and (`<subquery2>`.`b1` = `test`.`t1i`.`a1`)) +Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1`) join `test`.`t1i` where ((`<subquery2>`.`b1` = `test`.`t1i`.`a1`) and (`<subquery2>`.`min(b2)` = `test`.`t1i`.`a2`)) select * from t1i where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1); a1 a2 1 - 01 2 - 01 @@ -156,7 +156,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00 2 MATERIALIZED t2i range NULL it2i3 9 NULL 3 100.00 Using index for group-by Warnings: -Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` group by `test`.`t2i`.`b1`) join `test`.`t1` where ((`<subquery2>`.`max(b2)` = `test`.`t1`.`a2`) and (`<subquery2>`.`b1` = `test`.`t1`.`a1`)) +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` group by `test`.`t2i`.`b1`) join `test`.`t1` where ((`<subquery2>`.`b1` = `test`.`t1`.`a1`) and (`<subquery2>`.`max(b2)` = `test`.`t1`.`a2`)) select * from t1 where (a1, a2) in (select b1, max(b2) from t2i group by b1); a1 a2 1 - 01 2 - 01 @@ -188,7 +188,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00 2 MATERIALIZED t2i range it2i1,it2i3 it2i3 18 NULL 3 100.00 Using where; Using index for group-by Warnings: -Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1`) join `test`.`t1` where ((`<subquery2>`.`min(b2)` = `test`.`t1`.`a2`) and (`<subquery2>`.`b1` = `test`.`t1`.`a1`)) +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where (`test`.`t2i`.`b1` > '0') group by `test`.`t2i`.`b1`) join `test`.`t1` where ((`<subquery2>`.`b1` = `test`.`t1`.`a1`) and (`<subquery2>`.`min(b2)` = `test`.`t1`.`a2`)) select * from t1 where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1); a1 a2 1 - 01 2 - 01 @@ -236,7 +236,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Warnings: -Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` order by `test`.`t2`.`b1`,`test`.`t2`.`b2`) join `test`.`t1` where ((`<subquery2>`.`b2` = `test`.`t1`.`a2`) and (`<subquery2>`.`b1` = `test`.`t1`.`a1`)) +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` order by `test`.`t2`.`b1`,`test`.`t2`.`b2`) join `test`.`t1` where ((`<subquery2>`.`b1` = `test`.`t1`.`a1`) and (`<subquery2>`.`b2` = `test`.`t1`.`a2`)) select * from t1 where (a1, a2) in (select b1, b2 from t2 order by b1, b2); a1 a2 1 - 01 2 - 01 @@ -248,7 +248,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1i.a1,test.t1i.a2 1 100.00 2 MATERIALIZED t2i index NULL it2i3 18 NULL 5 100.00 Using index Warnings: -Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` order by `test`.`t2i`.`b1`,`test`.`t2i`.`b2`) join `test`.`t1i` where ((`<subquery2>`.`b2` = `test`.`t1i`.`a2`) and (`<subquery2>`.`b1` = `test`.`t1i`.`a1`)) +Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` order by `test`.`t2i`.`b1`,`test`.`t2i`.`b2`) join `test`.`t1i` where ((`<subquery2>`.`b1` = `test`.`t1i`.`a1`) and (`<subquery2>`.`b2` = `test`.`t1i`.`a2`)) select * from t1i where (a1, a2) in (select b1, b2 from t2i order by b1, b2); a1 a2 1 - 01 2 - 01 @@ -305,7 +305,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 3 MATERIALIZED t2i index it2i1,it2i2,it2i3 it2i3 18 NULL 5 80.00 Using where; Using index; Using join buffer (flat, BNL join) 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where Warnings: -Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3`) where ((`test`.`t2i`.`b2` = `test`.`t3`.`c2`) and (`test`.`t2i`.`b1` = `test`.`t3`.`c1`) and (`test`.`t2`.`b1` > '0') and (`test`.`t3`.`c2` > '0')) +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3`) where ((`test`.`t2i`.`b1` = `test`.`t3`.`c1`) and (`test`.`t2i`.`b2` = `test`.`t3`.`c2`) and (`test`.`t2`.`b1` > '0') and (`test`.`t3`.`c2` > '0')) select * from t1 where (a1, a2) in (select b1, b2 from t2 where b1 > '0') and (a1, a2) in (select c1, c2 from t3 @@ -324,7 +324,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3i ref it3i1,it3i2,it3i3 # # # 1 100.00 # 1 PRIMARY t2i ref it2i1,it2i2,it2i3 # # # 2 100.00 # Warnings: -Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` semi join (`test`.`t2i`) semi join (`test`.`t2i` join `test`.`t3i`) where ((`test`.`t1i`.`a2` = `test`.`t2i`.`b2`) and (`test`.`t3i`.`c2` = `test`.`t2i`.`b2`) and (`test`.`t2i`.`b2` = `test`.`t2i`.`b2`) and (`test`.`t1i`.`a1` = `test`.`t2i`.`b1`) and (`test`.`t3i`.`c1` = `test`.`t2i`.`b1`) and (`test`.`t2i`.`b1` = `test`.`t2i`.`b1`) and (`test`.`t2i`.`b1` > '0') and (`test`.`t2i`.`b2` > '0')) +Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` semi join (`test`.`t2i`) semi join (`test`.`t2i` join `test`.`t3i`) where ((`test`.`t1i`.`a1` = `test`.`t2i`.`b1`) and (`test`.`t3i`.`c1` = `test`.`t2i`.`b1`) and (`test`.`t2i`.`b1` = `test`.`t2i`.`b1`) and (`test`.`t1i`.`a2` = `test`.`t2i`.`b2`) and (`test`.`t3i`.`c2` = `test`.`t2i`.`b2`) and (`test`.`t2i`.`b2` = `test`.`t2i`.`b2`) and (`test`.`t2i`.`b1` > '0') and (`test`.`t2i`.`b2` > '0')) select * from t1i where (a1, a2) in (select b1, b2 from t2i where b1 > '0') and (a1, a2) in (select c1, c2 from t3i @@ -349,7 +349,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 4 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where 3 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where Warnings: -Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3`) where ((`test`.`t2i`.`b2` = `test`.`t3`.`c2`) and (`test`.`t2i`.`b1` = `test`.`t3`.`c1`) and (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery3>`.`c2`)))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) and (`test`.`t3`.`c2` > '0')) +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3`) where ((`test`.`t2i`.`b1` = `test`.`t3`.`c1`) and (`test`.`t2i`.`b2` = `test`.`t3`.`c2`) and (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery3>`.`c2`)))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) and (`test`.`t3`.`c2` > '0')) select * from t1 where (a1, a2) in (select b1, b2 from t2 where b2 in (select c2 from t3 where c2 LIKE '%02') or @@ -375,7 +375,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 3 DEPENDENT SUBQUERY t3a ALL NULL NULL NULL NULL 4 100.00 Using where Warnings: Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1 -Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3` `t3c`) where ((`test`.`t2i`.`b2` = `test`.`t3c`.`c2`) and (`test`.`t2`.`b2` = `test`.`t1`.`a2`) and (`test`.`t2i`.`b1` = `test`.`t3c`.`c1`) and (`test`.`t2`.`b1` = `test`.`t1`.`a1`) and (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) and (`test`.`t3c`.`c2` > '0')) +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3` `t3c`) where ((`test`.`t2i`.`b1` = `test`.`t3c`.`c1`) and (`test`.`t2`.`b1` = `test`.`t1`.`a1`) and (`test`.`t2i`.`b2` = `test`.`t3c`.`c2`) and (`test`.`t2`.`b2` = `test`.`t1`.`a2`) and (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) and (`test`.`t3c`.`c2` > '0')) select * from t1 where (a1, a2) in (select b1, b2 from t2 where b2 in (select c2 from t3 t3a where c1 = a1) or @@ -413,7 +413,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 7 UNION t2i ref it2i1,it2i2,it2i3 # # # 2 100.00 # NULL UNION RESULT <union1,7> ALL NULL # # # NULL NULL # Warnings: -Note 1003 (select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3`) where ((`test`.`t2i`.`b2` = `test`.`t3`.`c2`) and (`test`.`t2i`.`b1` = `test`.`t3`.`c1`) and (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery3>`.`c2`)))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) and (`test`.`t3`.`c2` > '0'))) union (select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` semi join (`test`.`t2i`) semi join (`test`.`t2i` join `test`.`t3i`) where ((`test`.`t1i`.`a2` = `test`.`t2i`.`b2`) and (`test`.`t3i`.`c2` = `test`.`t2i`.`b2`) and (`test`.`t2i`.`b2` = `test`.`t2i`.`b2`) and (`test`.`t1i`.`a1` = `test`.`t2i`.`b1`) and (`test`.`t3i`.`c1` = `test`.`t2i`.`b1`) and (`test`.`t2i`.`b1` = `test`.`t2i`.`b1`) and (`test`.`t2i`.`b1` > '0') and (`test`.`t2i`.`b2` > '0'))) +Note 1003 (select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3`) where ((`test`.`t2i`.`b1` = `test`.`t3`.`c1`) and (`test`.`t2i`.`b2` = `test`.`t3`.`c2`) and (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%02') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery3>`.`c2`)))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where (`test`.`t3`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`))))))) and (`test`.`t3`.`c2` > '0'))) union (select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` semi join (`test`.`t2i`) semi join (`test`.`t2i` join `test`.`t3i`) where ((`test`.`t1i`.`a1` = `test`.`t2i`.`b1`) and (`test`.`t3i`.`c1` = `test`.`t2i`.`b1`) and (`test`.`t2i`.`b1` = `test`.`t2i`.`b1`) and (`test`.`t1i`.`a2` = `test`.`t2i`.`b2`) and (`test`.`t3i`.`c2` = `test`.`t2i`.`b2`) and (`test`.`t2i`.`b2` = `test`.`t2i`.`b2`) and (`test`.`t2i`.`b1` > '0') and (`test`.`t2i`.`b2` > '0'))) (select * from t1 where (a1, a2) in (select b1, b2 from t2 where b2 in (select c2 from t3 where c2 LIKE '%02') or @@ -443,7 +443,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL Warnings: -Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2i` join `test`.`t3`) where ((`test`.`t2i`.`b2` = `test`.`t3`.`c2`) and (`test`.`t2i`.`b1` = `test`.`t3`.`c1`) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and (`test`.`t3`.`c2` > '0')) +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2i` join `test`.`t3`) where ((`test`.`t2i`.`b1` = `test`.`t3`.`c1`) and (`test`.`t2i`.`b2` = `test`.`t3`.`c2`) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and (`test`.`t3`.`c2` > '0')) select * from t1 where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and (a1, a2) in (select c1, c2 from t3 @@ -467,7 +467,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL Warnings: -Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t1` semi join (`test`.`t2i` join `test`.`t3`) join `test`.`t3` where ((`test`.`t2i`.`b2` = `test`.`t3`.`c2`) and (`test`.`t3`.`c1` = `test`.`t1`.`a1`) and (`test`.`t2i`.`b1` = `test`.`t3`.`c1`) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and (`test`.`t3`.`c2` > '0')) +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t1` semi join (`test`.`t2i` join `test`.`t3`) join `test`.`t3` where ((`test`.`t3`.`c1` = `test`.`t1`.`a1`) and (`test`.`t2i`.`b1` = `test`.`t3`.`c1`) and (`test`.`t2i`.`b2` = `test`.`t3`.`c2`) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where ((`test`.`t1`.`a1` > '0') and (<cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2`)) union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where ((`test`.`t2`.`b1` < '9') and (<cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1`) and (<cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))))) and (`test`.`t3`.`c2` > '0')) select * from t1, t3 where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and (c1, c2) in (select c1, c2 from t3 @@ -513,7 +513,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra Warnings: Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a2' of SELECT #6 was resolved in SELECT #1 -Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3` `t3c`) where ((`test`.`t2i`.`b2` = `test`.`t1`.`a2`) and (`test`.`t3c`.`c2` = `test`.`t1`.`a2`) and (`test`.`t2`.`b2` = `test`.`t1`.`a2`) and (`test`.`t2i`.`b1` = `test`.`t1`.`a1`) and (`test`.`t3c`.`c1` = `test`.`t1`.`a1`) and (`test`.`t2`.`b1` = `test`.`t1`.`a1`) and (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`)))))))) +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3` `t3c`) where ((`test`.`t2i`.`b1` = `test`.`t1`.`a1`) and (`test`.`t3c`.`c1` = `test`.`t1`.`a1`) and (`test`.`t2`.`b1` = `test`.`t1`.`a1`) and (`test`.`t2i`.`b2` = `test`.`t1`.`a2`) and (`test`.`t3c`.`c2` = `test`.`t1`.`a2`) and (`test`.`t2`.`b2` = `test`.`t1`.`a2`) and (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where ((`test`.`t3a`.`c1` = `test`.`t1`.`a1`) and (<cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where (`test`.`t3b`.`c2` like '%03') ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where ((`test`.`t2`.`b2` = `<subquery4>`.`c2`)))))))) explain extended select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01'); id select_type table type possible_keys key key_len ref rows filtered Extra @@ -633,7 +633,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where; Start temporary; End temporary; Using join buffer (flat, BNL join) Warnings: -Note 1003 select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` semi join (`test`.`t2_16`) where ((`test`.`t2_16`.`b2` = `test`.`t1_16`.`a2`) and (`test`.`t2_16`.`b1` = `test`.`t1_16`.`a1`) and (`test`.`t1_16`.`a1` > '0')) +Note 1003 select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` semi join (`test`.`t2_16`) where ((`test`.`t2_16`.`b1` = `test`.`t1_16`.`a1`) and (`test`.`t2_16`.`b2` = `test`.`t1_16`.`a2`) and (`test`.`t1_16`.`a1` > '0')) select left(a1,7), left(a2,7) from t1_16 where (a1,a2) in (select b1, b2 from t2_16 where b1 > '0'); @@ -700,7 +700,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 ALL NULL NULL NULL NULL 4 100.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t2 ALL NULL NULL NULL NULL 5 100.00 Using where; End temporary; Using join buffer (flat, BNL join) Warnings: -Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t3` join `test`.`t2_16` join `test`.`t2` join `test`.`t1_16`) where ((`test`.`t2_16`.`b2` = `test`.`t1_16`.`a2`) and (`test`.`t2_16`.`b1` = `test`.`t1_16`.`a1`) and (`test`.`t2`.`b1` = `test`.`t3`.`c1`) and (`test`.`t2`.`b2` = substr(`test`.`t1_16`.`a2`,1,6)) and (`test`.`t3`.`c2` > '0') and (concat(`test`.`t1`.`a1`,'x') = left(`test`.`t1_16`.`a1`,8))) +Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t3` join `test`.`t2_16` join `test`.`t2` join `test`.`t1_16`) where ((`test`.`t2`.`b1` = `test`.`t3`.`c1`) and (`test`.`t2_16`.`b1` = `test`.`t1_16`.`a1`) and (`test`.`t2_16`.`b2` = `test`.`t1_16`.`a2`) and (`test`.`t2`.`b2` = substr(`test`.`t1_16`.`a2`,1,6)) and (`test`.`t3`.`c2` > '0') and (concat(`test`.`t1`.`a1`,'x') = left(`test`.`t1_16`.`a1`,8))) drop table t1_16, t2_16, t3_16; set @blob_len = 512; set @suffix_len = @blob_len - @prefix_len; @@ -748,7 +748,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t2_512 ALL NULL NULL NULL NULL 3 100.00 Using where; Start temporary; End temporary; Using join buffer (flat, BNL join) Warnings: -Note 1003 select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` semi join (`test`.`t2_512`) where ((`test`.`t2_512`.`b2` = `test`.`t1_512`.`a2`) and (`test`.`t2_512`.`b1` = `test`.`t1_512`.`a1`) and (`test`.`t1_512`.`a1` > '0')) +Note 1003 select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` semi join (`test`.`t2_512`) where ((`test`.`t2_512`.`b1` = `test`.`t1_512`.`a1`) and (`test`.`t2_512`.`b2` = `test`.`t1_512`.`a2`) and (`test`.`t1_512`.`a1` > '0')) select left(a1,7), left(a2,7) from t1_512 where (a1,a2) in (select b1, b2 from t2_512 where b1 > '0'); @@ -844,7 +844,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using where; Start temporary; End temporary; Using join buffer (flat, BNL join) Warnings: -Note 1003 select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` semi join (`test`.`t2_1024`) where ((`test`.`t2_1024`.`b2` = `test`.`t1_1024`.`a2`) and (`test`.`t2_1024`.`b1` = `test`.`t1_1024`.`a1`) and (`test`.`t1_1024`.`a1` > '0')) +Note 1003 select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` semi join (`test`.`t2_1024`) where ((`test`.`t2_1024`.`b1` = `test`.`t1_1024`.`a1`) and (`test`.`t2_1024`.`b2` = `test`.`t1_1024`.`a2`) and (`test`.`t1_1024`.`a1` > '0')) select left(a1,7), left(a2,7) from t1_1024 where (a1,a2) in (select b1, b2 from t2_1024 where b1 > '0'); @@ -939,7 +939,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using where; Start temporary; End temporary; Using join buffer (flat, BNL join) Warnings: -Note 1003 select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` semi join (`test`.`t2_1025`) where ((`test`.`t2_1025`.`b2` = `test`.`t1_1025`.`a2`) and (`test`.`t2_1025`.`b1` = `test`.`t1_1025`.`a1`) and (`test`.`t1_1025`.`a1` > '0')) +Note 1003 select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` semi join (`test`.`t2_1025`) where ((`test`.`t2_1025`.`b1` = `test`.`t1_1025`.`a1`) and (`test`.`t2_1025`.`b2` = `test`.`t1_1025`.`a2`) and (`test`.`t1_1025`.`a1` > '0')) select left(a1,7), left(a2,7) from t1_1025 where (a1,a2) in (select b1, b2 from t2_1025 where b1 > '0'); @@ -1027,7 +1027,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1bb ALL NULL NULL NULL NULL 3 100.00 1 PRIMARY t2bb ALL NULL NULL NULL NULL 3 100.00 Using where; Start temporary; End temporary; Using join buffer (flat, BNL join) Warnings: -Note 1003 select conv(`test`.`t1bb`.`a1`,10,2) AS `bin(a1)`,`test`.`t1bb`.`a2` AS `a2` from `test`.`t1bb` semi join (`test`.`t2bb`) where ((`test`.`t2bb`.`b2` = `test`.`t1bb`.`a2`) and (`test`.`t2bb`.`b1` = `test`.`t1bb`.`a1`)) +Note 1003 select conv(`test`.`t1bb`.`a1`,10,2) AS `bin(a1)`,`test`.`t1bb`.`a2` AS `a2` from `test`.`t1bb` semi join (`test`.`t2bb`) where ((`test`.`t2bb`.`b1` = `test`.`t1bb`.`a1`) and (`test`.`t2bb`.`b2` = `test`.`t1bb`.`a2`)) select bin(a1), a2 from t1bb where (a1, a2) in (select b1, b2 from t2bb); @@ -1934,7 +1934,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00 Warnings: -Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from <materialize> (select max(`test`.`t2`.`c`) from `test`.`t2`) join `test`.`t1` where ((`test`.`t1`.`a` = `<subquery2>`.`MAX(c)`) and (`test`.`t1`.`b` = 7) and (<cache>(isnull(`<subquery2>`.`MAX(c)`)) or (`<subquery2>`.`MAX(c)` = 7))) +Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from <materialize> (select max(`test`.`t2`.`c`) from `test`.`t2`) join `test`.`t1` where ((`test`.`t1`.`b` = 7) and (`test`.`t1`.`a` = `<subquery2>`.`MAX(c)`) and (<cache>(isnull(`<subquery2>`.`MAX(c)`)) or (`<subquery2>`.`MAX(c)` = 7))) SELECT * FROM t1 WHERE a IN (SELECT MAX(c) FROM t2) AND b=7 AND (a IS NULL OR a=b); a b diff --git a/mysql-test/r/user_var.result b/mysql-test/r/user_var.result index 9c4fd02fcdd..2a3cdc49802 100644 --- a/mysql-test/r/user_var.result +++ b/mysql-test/r/user_var.result @@ -461,43 +461,9 @@ GROUP BY @b:=(SELECT COUNT(*) > t2.a); @a:=MIN(t1.a) 1 DROP TABLE t1; -End of 5.1 tests -DROP TABLE IF EXISTS t1; -CREATE TABLE t1(f1 INT AUTO_INCREMENT, PRIMARY KEY(f1)); -INSERT INTO t1 SET f1 = NULL ; -SET @aux = NULL ; -INSERT INTO t1 SET f1 = @aux ; -SET @aux1 = 0.123E-1; -SET @aux1 = NULL; -INSERT INTO t1 SET f1 = @aux1 ; -SELECT * FROM t1; -f1 -1 -2 -3 -DROP TABLE t1; -CREATE TABLE t1(f1 VARCHAR(257) , f2 INT, PRIMARY KEY(f2)); -CREATE TRIGGER trg1 BEFORE INSERT ON t1 FOR EACH ROW SET @aux = 1; -SET @aux = 1; -SET @aux = NULL; -INSERT INTO test.t1 (f1, f2) VALUES (1, 1), (@aux, 2); -SET @aux = 'text'; -SET @aux = NULL; -INSERT INTO t1(f1, f2) VALUES (1, 3), (@aux, 4); -SELECT f1, f2 FROM t1 ORDER BY f2; -f1 f2 -1 1 -1 2 -1 3 -1 4 -DROP TRIGGER trg1; -DROP TABLE t1; -# -# Bug #12408412: GROUP_CONCAT + ORDER BY + INPUT/OUTPUT -# SAME USER VARIABLE = CRASH -# SET @bug12408412=1; SELECT GROUP_CONCAT(@bug12408412 ORDER BY 1) INTO @bug12408412; +End of 5.1 tests CREATE TABLE t1(a INT); INSERT INTO t1 VALUES (0); SELECT DISTINCT POW(COUNT(*), @a:=(SELECT 1 FROM t1 LEFT JOIN t1 AS t2 ON @a)) @@ -530,4 +496,34 @@ SELECT @a; @a 1 DROP TABLE t1; +End of 5.2 tests +CREATE TABLE t1(f1 INT AUTO_INCREMENT, PRIMARY KEY(f1)); +INSERT INTO t1 SET f1 = NULL ; +SET @aux = NULL ; +INSERT INTO t1 SET f1 = @aux ; +SET @aux1 = 0.123E-1; +SET @aux1 = NULL; +INSERT INTO t1 SET f1 = @aux1 ; +SELECT * FROM t1; +f1 +1 +2 +3 +DROP TABLE t1; +CREATE TABLE t1(f1 VARCHAR(257) , f2 INT, PRIMARY KEY(f2)); +CREATE TRIGGER trg1 BEFORE INSERT ON t1 FOR EACH ROW SET @aux = 1; +SET @aux = 1; +SET @aux = NULL; +INSERT INTO test.t1 (f1, f2) VALUES (1, 1), (@aux, 2); +SET @aux = 'text'; +SET @aux = NULL; +INSERT INTO t1(f1, f2) VALUES (1, 3), (@aux, 4); +SELECT f1, f2 FROM t1 ORDER BY f2; +f1 f2 +1 1 +1 2 +1 3 +1 4 +DROP TRIGGER trg1; +DROP TABLE t1; End of 5.5 tests diff --git a/mysql-test/r/view.result b/mysql-test/r/view.result index 8f32ca1f566..576752f65c9 100644 --- a/mysql-test/r/view.result +++ b/mysql-test/r/view.result @@ -1423,7 +1423,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where Warnings: -Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `b` from `test`.`t3` left join (`test`.`t1` left join `test`.`t2` on(((`test`.`t1`.`a` = `test`.`t3`.`a`) and (`test`.`t2`.`a` = `test`.`t3`.`a`)))) on((`test`.`t1`.`a` = `test`.`t3`.`a`)) where 1 +Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `b` from `test`.`t3` left join (`test`.`t1` left join `test`.`t2` on((`test`.`t2`.`a` = `test`.`t3`.`a`))) on((`test`.`t1`.`a` = `test`.`t3`.`a`)) where 1 create view v1 (a) as select a from t1; create view v2 (a) as select a from t2; create view v4 (a,b) as select v1.a as a, v2.a as b from v1 left join v2 on (v1.a=v2.a); @@ -1438,7 +1438,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where Warnings: -Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `b` from `test`.`t3` left join (`test`.`t1` left join (`test`.`t2`) on(((`test`.`t1`.`a` = `test`.`t3`.`a`) and (`test`.`t2`.`a` = `test`.`t3`.`a`)))) on((`test`.`t1`.`a` = `test`.`t3`.`a`)) where 1 +Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `b` from `test`.`t3` left join (`test`.`t1` left join (`test`.`t2`) on((`test`.`t2`.`a` = `test`.`t3`.`a`))) on((`test`.`t1`.`a` = `test`.`t3`.`a`)) where 1 prepare stmt1 from "select * from t3 left join v4 on (t3.a = v4.a);"; execute stmt1; a a b diff --git a/mysql-test/suite/heap/heap.result b/mysql-test/suite/heap/heap.result index ae562a0dda1..e61b9bcc2bf 100644 --- a/mysql-test/suite/heap/heap.result +++ b/mysql-test/suite/heap/heap.result @@ -738,6 +738,26 @@ SELECT c2 FROM t1; c2 0 DROP TABLE t1; +CREATE TABLE t1 ( +id int(11) NOT NULL AUTO_INCREMENT, +color enum('GREEN', 'WHITE') DEFAULT NULL, +ts int, +PRIMARY KEY (id), +KEY color (color) USING HASH +) ENGINE=MEMORY DEFAULT CHARSET=utf8; +INSERT INTO t1 VALUES("1","GREEN",1); +INSERT INTO t1 VALUES("2","GREEN",1); +INSERT INTO t1 VALUES("3","GREEN",1); +INSERT INTO t1 VALUES("4","GREEN",1); +INSERT INTO t1 VALUES("5","GREEN",1); +INSERT INTO t1 VALUES("6","GREEN",1); +DELETE FROM t1 WHERE id = 1; +INSERT INTO t1 VALUES("7","GREEN", 2); +DELETE FROM t1 WHERE ts = 1 AND color = 'GREEN'; +SELECT * from t1; +id color ts +7 GREEN 2 +DROP TABLE t1; CREATE TABLE t1 (a int, index(a)) engine=heap min_rows=10 max_rows=100; insert into t1 values(1); select data_length,index_length from information_schema.tables where table_schema="test" and table_name="t1"; diff --git a/mysql-test/suite/heap/heap.test b/mysql-test/suite/heap/heap.test index 6f5046af139..ab2a4f0a6d6 100644 --- a/mysql-test/suite/heap/heap.test +++ b/mysql-test/suite/heap/heap.test @@ -487,6 +487,32 @@ SELECT c2 FROM t1; DROP TABLE t1; # +# BUG#51763 Can't delete rows from MEMORY table with HASH key +# + +CREATE TABLE t1 ( + id int(11) NOT NULL AUTO_INCREMENT, + color enum('GREEN', 'WHITE') DEFAULT NULL, + ts int, + PRIMARY KEY (id), + KEY color (color) USING HASH +) ENGINE=MEMORY DEFAULT CHARSET=utf8; + +INSERT INTO t1 VALUES("1","GREEN",1); +INSERT INTO t1 VALUES("2","GREEN",1); +INSERT INTO t1 VALUES("3","GREEN",1); +INSERT INTO t1 VALUES("4","GREEN",1); +INSERT INTO t1 VALUES("5","GREEN",1); +INSERT INTO t1 VALUES("6","GREEN",1); +DELETE FROM t1 WHERE id = 1; +INSERT INTO t1 VALUES("7","GREEN", 2); +DELETE FROM t1 WHERE ts = 1 AND color = 'GREEN'; +SELECT * from t1; +DROP TABLE t1; + +# End of 5.1 tests + +# # Show that MIN_ROWS and MAX_ROWS have an effect on how data_length # and index_length are allocated. # Result is different for 32 / 64 bit machines as pointer lengths are different diff --git a/mysql-test/t/group_by.test b/mysql-test/t/group_by.test index a90fcba77fc..4b7a475eb28 100644 --- a/mysql-test/t/group_by.test +++ b/mysql-test/t/group_by.test @@ -1322,6 +1322,80 @@ SELECT 1 FROM t1 GROUP BY SUBSTRING(SYSDATE() FROM 'K' FOR 'jxW<'); DROP TABLE t1; SET SQL_BIG_TABLES=0; +--echo # +--echo # MDEV-641 LP:1002108 - Wrong result (or crash) from a query with duplicated field in the group list and a limit clause +--echo # Bug#11761078: 53534: INCORRECT 'SELECT SQL_BIG_RESULT...' +--echo # WITH GROUP BY ON DUPLICATED FIELDS +--echo # + +CREATE TABLE t1( + col1 int, + UNIQUE INDEX idx (col1)); + +INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10), + (11),(12),(13),(14),(15),(16),(17),(18),(19),(20); + +let $query0=SELECT col1 AS field1, col1 AS field2 + FROM t1 GROUP BY field1, field2; + +# Needs to be range to exercise bug +--eval EXPLAIN $query0; +FLUSH STATUS; +--eval $query0; +SHOW SESSION STATUS LIKE 'Sort_scan%'; + +let $query=SELECT SQL_BIG_RESULT col1 AS field1, col1 AS field2 + FROM t1 GROUP BY field1, field2; + +# Needs to be range to exercise bug +--eval EXPLAIN $query; +FLUSH STATUS; +--eval $query; +SHOW SESSION STATUS LIKE 'Sort_scan%'; + +CREATE VIEW v1 AS SELECT * FROM t1; + +SELECT SQL_BIG_RESULT col1 AS field1, col1 AS field2 +FROM v1 +GROUP BY field1, field2; + +SELECT SQL_BIG_RESULT tbl1.col1 AS field1, tbl2.col1 AS field2 +FROM t1 as tbl1, t1 as tbl2 +GROUP BY field1, field2 +LIMIT 3; + +explain +select col1 f1, col1 f2 from t1 order by f2, f1; +select col1 f1, col1 f2 from t1 order by f2, f1; + +explain +select col1 f1, col1 f2 from t1 group by f2 order by f2, f1; +select col1 f1, col1 f2 from t1 group by f2 order by f2, f1; + +explain +select col1 f1, col1 f2 from t1 group by f1, f2 order by f2, f1; +select col1 f1, col1 f2 from t1 group by f1, f2 order by f2, f1; + +CREATE TABLE t2( + col1 int, + col2 int, + UNIQUE INDEX idx (col1, col2)); + +INSERT INTO t2(col1, col2) VALUES + (1,20),(2,19),(3,18),(4,17),(5,16),(6,15),(7,14),(8,13),(9,12),(10,11), + (11,10),(12,9),(13,8),(14,7),(15,6),(16,5),(17,4),(18,3),(19,2),(20,1); + +explain +select col1 f1, col2 f2, col1 f3 from t2 group by f1, f2, f3; +select col1 f1, col2 f2, col1 f3 from t2 group by f1, f2, f3; + +explain +select col1 f1, col2 f2, col1 f3 from t2 order by f1, f2, f3; +select col1 f1, col2 f2, col1 f3 from t2 order by f1, f2, f3; + +DROP VIEW v1; +DROP TABLE t1, t2; + --echo # End of 5.1 tests --echo # diff --git a/mysql-test/t/group_min_max.test b/mysql-test/t/group_min_max.test index 19f7cbe40a1..82097c53fe0 100644 --- a/mysql-test/t/group_min_max.test +++ b/mysql-test/t/group_min_max.test @@ -1204,6 +1204,64 @@ drop table t1; --echo End of 5.1 tests +--echo # +--echo # MDEV-765 lp:825075 - Wrong result with GROUP BY + multipart key + MIN/MAX loose scan +--echo # + +CREATE TABLE t1 (a varchar(1), b varchar(1), KEY (b,a)); +INSERT INTO t1 VALUES +('0',NULL),('9',NULL),('8','c'),('4','d'),('7','d'),(NULL,'f'), +('7','f'),('8','g'),(NULL,'j'); + +explain +SELECT max(a) , b FROM t1 WHERE a IS NULL OR b = 'z' GROUP BY b; +SELECT max(a) , b FROM t1 WHERE a IS NULL OR b = 'z' GROUP BY b; + +explain +SELECT b, min(a) FROM t1 WHERE a = '7' OR b = 'z' GROUP BY b; +SELECT b, min(a) FROM t1 WHERE a = '7' OR b = 'z' GROUP BY b; + +explain +SELECT b, min(a) FROM t1 WHERE (a = b OR b = 'd' OR b is NULL) GROUP BY b; +SELECT b, min(a) FROM t1 WHERE (a = b OR b = 'd' OR b is NULL) GROUP BY b; + +explain +SELECT b, min(a) FROM t1 WHERE a > ('0' = b) AND b = 'z' GROUP BY b; +SELECT b, min(a) FROM t1 WHERE a > ('0' = b) AND b = 'z' GROUP BY b; + +explain +SELECT b, min(a) FROM t1 WHERE a > '0' AND (b < (a = '7')) GROUP BY b; +SELECT b, min(a) FROM t1 WHERE a > '0' AND (b < (a = '7')) GROUP BY b; + +explain +SELECT b, min(a) FROM t1 WHERE (a > '0' AND (a > '1' OR b = 'd')) GROUP BY b; +SELECT b, min(a) FROM t1 WHERE (a > '0' AND (a > '1' OR b = 'd')) GROUP BY b; + +drop table t1; + +--echo # +--echo # MDEV-4140 Wrong result with GROUP BY + multipart key + MIN/MAX loose scan and a subquery +--echo # + +CREATE TABLE t1 (a int, b int, KEY (b, a)) ; +INSERT INTO t1 VALUES (0,99),(9,99),(4,0),(7,0),(99,0),(7,0),(8,0),(99,0),(1,0); +CREATE TABLE t2 (c int) ; +INSERT INTO t2 VALUES (0),(1); + +EXPLAIN +SELECT MIN(a), b FROM t1 WHERE a > 0 GROUP BY b; +SELECT MIN(a), b FROM t1 WHERE a > 0 GROUP BY b; +EXPLAIN +SELECT MIN(a), b FROM t1 WHERE a > ( SELECT c FROM t2 WHERE c = 0 ) GROUP BY b; +SELECT MIN(a), b FROM t1 WHERE a > ( SELECT c FROM t2 WHERE c = 0 ) GROUP BY b; +# this test is for 5.5 to ensure that the subquery is expensive +EXPLAIN +SELECT MIN(a), b FROM t1 WHERE a > ( SELECT min(c) FROM t2, t1 t1a, t1 t1b WHERE c = 0 ) GROUP BY b; +SELECT MIN(a), b FROM t1 WHERE a > ( SELECT min(c) FROM t2, t1 t1a, t1 t1b WHERE c = 0 ) GROUP BY b; + +drop table t1, t2; + +--echo End of 5.3 tests --echo # --echo # WL#3220 (Loose index scan for COUNT DISTINCT) @@ -1342,4 +1400,3 @@ explain SELECT f1, COUNT(DISTINCT f2) FROM t1 GROUP BY f1; drop table t1; --echo # End of test#50539. - diff --git a/mysql-test/t/multi_update.test b/mysql-test/t/multi_update.test index 48735304aad..e0a35ca2bb9 100644 --- a/mysql-test/t/multi_update.test +++ b/mysql-test/t/multi_update.test @@ -696,6 +696,55 @@ DROP FUNCTION f1; DROP TABLE t1; --echo # +--echo # MDEV-4123: Incorrect results after multi-table update or +--echo # assertion `!table || (!table->read_set || +--echo # bitmap_is_set(table->read_set, field_index))' failure +--echo # + +DROP TABLE IF EXISTS t1; +CREATE TABLE t1 ( + id int(10) unsigned NOT NULL, + level tinyint(3) unsigned NOT NULL, + PRIMARY KEY (id) +); +INSERT INTO t1 VALUES (2519583,1); + +DROP TABLE IF EXISTS t2; +CREATE TABLE t2 ( + club_id int(11) NOT NULL DEFAULT '0', + profile_id int(11) NOT NULL DEFAULT '0', + member_level_id int(11) NOT NULL DEFAULT '0', + PRIMARY KEY (profile_id,club_id) +); +INSERT INTO t2 VALUES (2,2519583,12); + +DROP TABLE IF EXISTS t3; +CREATE TABLE t3 ( + member_level_id int(11) unsigned NOT NULL DEFAULT '0', + map_level int(11) unsigned NOT NULL DEFAULT '0', + map_status int(11) unsigned NOT NULL DEFAULT '0', + PRIMARY KEY (member_level_id) +); +INSERT INTO t3 VALUES (12,12,1); + +CREATE + VIEW v1 AS + select club_id,profile_id, + map_level AS member_level_id,map_status AS member_status + from (t2 tc join t3 map + on(((tc.member_level_id = map.member_level_id) and + (club_id = 2)))); + +select level, count(*) as cnt from t1 group by level; +UPDATE t1 c LEFT JOIN v1 t ON (c.id = t.profile_id AND t.club_id = 2) + SET c.level = IF (t.member_status IS NULL, 1, IF (t.member_status = 1, 2,3)); +select level, count(*) as cnt from t1 group by level; +drop view v1; +drop table t1,t2,t3; + +--echo end of tests + +--echo # --echo # BUG#57373: Multi update+InnoDB reports ER_KEY_NOT_FOUND if a --echo # table is updated twice --echo # @@ -759,6 +808,5 @@ SELECT * FROM t2; DROP TABLE t1,t2; - - +--echo end of 5.5 tests diff --git a/mysql-test/t/subselect_sj2_mat.test b/mysql-test/t/subselect_sj2_mat.test index 7c3b37b517a..61d9b09edff 100644 --- a/mysql-test/t/subselect_sj2_mat.test +++ b/mysql-test/t/subselect_sj2_mat.test @@ -36,4 +36,230 @@ WHERE a IN DROP TABLE t1, t2; set max_join_size= @tmp_906385; +--echo # +--echo # mdev-3995: Wrong result for semijoin with materialization +--echo # + +set @save_optimizer_switch=@@optimizer_switch; + +CREATE TABLE t1 ( + cat_id int(10) unsigned NOT NULL, + PRIMARY KEY (cat_id) +) ENGINE=MyISAM; + +INSERT INTO t1 VALUES +(709411),(709412),(709413),(709414),(709416),(709417),(709418),(709419),(709421),(709422), +(709424),(709425),(709427),(709428),(709429),(709431),(709432),(709433),(709434),(709435), +(709438),(709439),(709441),(709442),(709443),(709444),(709445),(709446),(709447),(709450), +(709451),(709454),(709455),(709456),(709457),(709459),(709460),(709461),(709462),(709463), +(709464),(709465),(709467),(709469),(709470),(709471),(709472),(709473),(709474),(709475), +(709476),(709477),(709478),(709479),(709480),(709481),(709483),(709484),(709485),(709487), +(709490),(709491),(709492),(709493),(709494),(709495),(709496),(709497),(709498),(709499), +(709500),(709501),(709502),(709503),(709504),(709505),(709506),(709507),(709509),(709510), +(709511),(709512),(709513),(709514),(709515),(709516),(709517),(709518),(709519),(709520), +(709521),(709522),(709523),(709524),(709525),(709526),(709527),(709528),(709529),(709530), +(709531),(709532),(709533),(709534),(709535),(709536),(709537),(709538),(709539),(709540), +(709541),(709542),(709543),(709544),(709545),(709546),(709548),(709549),(709551),(709552), +(709553),(709555),(709556),(709557),(709558),(709559),(709560),(709561),(709562),(709563), +(709564),(709565),(709566),(709567),(709568),(709569),(709570),(709571),(709572),(709573), +(709574),(709575),(709576),(709577),(709578),(709579),(709580),(709581),(709582),(709583), +(709584),(709585),(709586),(709587),(709588),(709590),(709591),(709592),(709593),(709594), +(709595),(709596),(709597),(709598),(709600),(709601),(709602),(709603),(709604),(709605), +(709606),(709608),(709609),(709610),(709611),(709612),(709613),(709614),(709615),(709616), +(709617),(709618),(709619),(709620),(709621),(709622),(709623),(709624),(709625),(709626), +(709627),(709628),(709629),(709630),(709631),(709632),(709633),(709634),(709635),(709637), +(709638),(709639),(709640),(709641),(709642),(709643),(709644),(709645),(709646),(709649), +(709650),(709651),(709652),(709653),(709654),(709655),(709656),(709657),(709658),(709659); + +CREATE TABLE t2 ( + cat_id int(10) NOT NULL, + KEY cat_id (cat_id) +) ENGINE=MyISAM; + +INSERT INTO t2 VALUES +(708742),(708755),(708759),(708761),(708766),(708769),(708796),(708798),(708824),(708825), +(708838),(708844),(708861),(708882),(708887),(708889),(708890),(709586),(709626); + +CREATE TABLE t3 ( + sack_id int(10) unsigned NOT NULL, + kit_id tinyint(3) unsigned NOT NULL DEFAULT '0', + cat_id int(10) unsigned NOT NULL, + PRIMARY KEY (sack_id,kit_id,cat_id) +) ENGINE=MyISAM; + +INSERT INTO t3 VALUES +(33479,6,708523),(33479,6,708632),(33479,6,709085),(33479,6,709586),(33479,6,709626); + +CREATE TABLE t4 ( + cat_id int(10) unsigned NOT NULL, + KEY cat_id (cat_id) +) ENGINE=MyISAM; + +INSERT INTO t4 (cat_id) SELECT cat_id from t2; + +set optimizer_switch='materialization=off'; + +EXPLAIN +SELECT count(*) FROM t1, t3 + WHERE t1.cat_id = t3.cat_id AND + t3.cat_id IN (SELECT cat_id FROM t2) AND + t3.sack_id = 33479 AND t3.kit_id = 6; + +SELECT count(*) FROM t1, t3 + WHERE t1.cat_id = t3.cat_id AND + t3.cat_id IN (SELECT cat_id FROM t2) AND + t3.sack_id = 33479 AND t3.kit_id = 6; + +set optimizer_switch='materialization=on'; + +EXPLAIN +SELECT count(*) FROM t1, t3 + WHERE t1.cat_id = t3.cat_id AND + t3.cat_id IN (SELECT cat_id FROM t4) AND + t3.sack_id = 33479 AND t3.kit_id = 6; + +SELECT count(*) FROM t1, t3 + WHERE t1.cat_id = t3.cat_id AND + t3.cat_id IN (SELECT cat_id FROM t4) AND + t3.sack_id = 33479 AND t3.kit_id = 6; + +EXPLAIN +SELECT count(*) FROM t1, t3 + WHERE t1.cat_id = t3.cat_id AND + t3.cat_id IN (SELECT cat_id FROM t2) AND + t3.sack_id = 33479 AND t3.kit_id = 6; + +SELECT count(*) FROM t1, t3 + WHERE t1.cat_id = t3.cat_id AND + t3.cat_id IN (SELECT cat_id FROM t2) AND + t3.sack_id = 33479 AND t3.kit_id = 6; + + +DROP TABLE t1,t2,t3,t4; + +set optimizer_switch=@save_optimizer_switch; + +--echo # +--echo # mdev-3913: LEFT JOIN with materialized multi-table IN subquery in WHERE +--echo # + +set @save_optimizer_switch=@@optimizer_switch; + +CREATE TABLE t1 (a1 char(1), b1 char(1), index idx(b1,a1)); +INSERT INTO t1 VALUES ('f','c'),('d','m'),('g','y'); +INSERT INTO t1 VALUES ('f','c'),('d','m'),('g','y'); + +CREATE TABLE t2 (a2 char(1), b2 char(1)); +INSERT INTO t2 VALUES ('y','y'),('y','y'),('w','w'); + +CREATE TABLE t3 (a3 int); +INSERT INTO t3 VALUES (8),(6); + +CREATE TABLE t4 (a4 char(1), b4 char(1)); +INSERT INTO t4 VALUES ('y','y'),('y','y'),('w','w'); + +set optimizer_switch='materialization=off'; + +EXPLAIN EXTENDED +SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 ) + WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4); +SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 ) + WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4); + +set optimizer_switch='materialization=on'; + +EXPLAIN EXTENDED +SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 ) + WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4); +SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 ) + WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4); + +DROP TABLE t1,t2,t3,t4; + +set optimizer_switch=@save_optimizer_switch; + +--echo # +--echo # mdev-4172: LEFT JOIN with materialized multi-table IN subquery in WHERE +--echo # and OR in ON condition +--echo # + +set @save_optimizer_switch=@@optimizer_switch; + +CREATE TABLE t1 (a1 int, c1 varchar(1)); +INSERT t1 VALUES (7,'v'), (3,'y'); + +CREATE TABLE t2 (c2 varchar(1)); +INSERT INTO t2 VALUES ('y'), ('y'); + +CREATE TABLE t3 (c3 varchar(1)); +INSERT INTO t3 VALUES + ('j'), ('v'), ('c'), ('m'), ('d'), + ('d'), ('y'), ('t'), ('d'), ('s'); + +CREATE TABLE t4 (a4 int, c4 varchar(1)); +INSERT INTO t4 SELECT * FROM t1; + +set optimizer_switch='materialization=off'; + +EXPLAIN EXTENDED +SELECT * FROM t1 LEFT JOIN t2 ON (c2 = c1 OR c1 > 'z') + WHERE c1 IN ( SELECT c4 FROM t3,t4 WHERE c3 = c4); +SELECT * FROM t1 LEFT JOIN t2 ON (c2 = c1 OR c1 > 'z') + WHERE c1 IN ( SELECT c4 FROM t3,t4 WHERE c3 = c4); + +set optimizer_switch='materialization=on'; + +EXPLAIN EXTENDED +SELECT * FROM t1 LEFT JOIN t2 ON (c2 = c1 OR c1 > 'z') + WHERE c1 IN ( SELECT c4 FROM t3,t4 WHERE c3 = c4); +SELECT * FROM t1 LEFT JOIN t2 ON (c2 = c1 OR c1 > 'z') + WHERE c1 IN ( SELECT c4 FROM t3,t4 WHERE c3 = c4); + +DROP TABLE t1,t2,t3,t4; + +set optimizer_switch=@save_optimizer_switch; + +--echo # +--echo # mdev-4177: materialization of a subquery whose WHERE condition is OR +--echo # formula with two disjucts such that the second one is always false +--echo # + +set @save_optimizer_switch=@@optimizer_switch; +set @save_join_cache_level=@@join_cache_level; + +CREATE TABLE t1 (i1 int) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1), (7), (4), (8), (4); + +CREATE TABLE t2 (i2 int) ENGINE=MyISAM; +INSERT INTO t2 VALUES (7), (5); + +CREATE TABLE t3 (i3 int) ENGINE=MyISAM; +INSERT INTO t3 VALUES (7), (2), (9); + +set join_cache_level=3; + +set optimizer_switch='materialization=off,semijoin=off'; + +EXPLAIN EXTENDED +SELECT * FROM t1 WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 = i2 OR 1=2); +SELECT * FROM t1 WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 = i2 OR 1=2); + +set optimizer_switch='materialization=on,semijoin=on'; + +EXPLAIN EXTENDED +SELECT * FROM t1 WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 = i2 OR 1=2); +SELECT * FROM t1 WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 = i2 OR 1=2); + +EXPLAIN EXTENDED +SELECT * FROM t1 + WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 > 0 AND i3 = i2 OR 1=2); +SELECT * FROM t1 + WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 > 0 AND i3 = i2 OR 1=2); +SELECT * FROM t1 + WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 > 7 AND i3 = i2 OR 1=2); + +DROP TABLE t1,t2,t3; + +set join_cache_level= @save_join_cache_level; +set optimizer_switch=@save_optimizer_switch; diff --git a/mysql-test/t/user_var.test b/mysql-test/t/user_var.test index 147eec6e21d..9b6714a1bbb 100644 --- a/mysql-test/t/user_var.test +++ b/mysql-test/t/user_var.test @@ -364,7 +364,7 @@ SELECT (@v:=a) <> (@v:=1) FROM t1; DROP TABLE t1; # -# LP BUG#1001506 Crash on a query with GROUP BY and user variables +# lp:1001506 Crash on a query with GROUP BY and user variables # MySQL Bug #11764372 57197: EVEN MORE USER VARIABLE CRASHING FUN # @@ -374,15 +374,49 @@ SELECT DISTINCT @a:=MIN(t1.a) FROM t1, t1 AS t2 GROUP BY @b:=(SELECT COUNT(*) > t2.a); DROP TABLE t1; +# +# +# Bug #12408412: GROUP_CONCAT + ORDER BY + INPUT/OUTPUT +# SAME USER VARIABLE = CRASH +# +SET @bug12408412=1; +SELECT GROUP_CONCAT(@bug12408412 ORDER BY 1) INTO @bug12408412; + --echo End of 5.1 tests # -# Bug#50511: Sometimes wrong handling of user variables containing NULL. +# MDEV-616 lp:1002126 +# Bug #11764371 57196: MORE FUN WITH ASSERTION: !TABLE->FILE || +# TABLE->FILE->INITED == HANDLER:: # ---disable_warnings -DROP TABLE IF EXISTS t1; ---enable_warnings +CREATE TABLE t1(a INT); +INSERT INTO t1 VALUES (0); +SELECT DISTINCT POW(COUNT(*), @a:=(SELECT 1 FROM t1 LEFT JOIN t1 AS t2 ON @a)) +AS b FROM t1 GROUP BY a; +SELECT @a; +DROP TABLE t1; +CREATE TABLE t1(f1 INT, f2 INT); +INSERT INTO t1 VALUES (1,2),(2,3),(3,1); +CREATE TABLE t2(a INT); +INSERT INTO t2 VALUES (1); +SET @var=NULL; +SELECT @var:=(SELECT f2 FROM t2 WHERE @var) FROM t1 GROUP BY f1 ORDER BY f2 DESC +LIMIT 1; +SELECT @var; +DROP TABLE t1, t2; + +CREATE TABLE t1(a INT); +INSERT INTO t1 VALUES (0),(1),(3); +SELECT DISTINCT POW(COUNT(distinct a), @a:=(SELECT 1 FROM t1 LEFT JOIN t1 AS t2 ON @a limit 1)) AS b FROM t1 GROUP BY a; +SELECT @a; +DROP TABLE t1; + +--echo End of 5.2 tests + +# +# Bug#50511: Sometimes wrong handling of user variables containing NULL. +# CREATE TABLE t1(f1 INT AUTO_INCREMENT, PRIMARY KEY(f1)); @@ -415,33 +449,4 @@ SELECT f1, f2 FROM t1 ORDER BY f2; DROP TRIGGER trg1; DROP TABLE t1; - -# -# MDEV-616 LP BUG#1002126 -# Bug #11764371 57196: MORE FUN WITH ASSERTION: !TABLE->FILE || -# TABLE->FILE->INITED == HANDLER:: -# - -CREATE TABLE t1(a INT); -INSERT INTO t1 VALUES (0); -SELECT DISTINCT POW(COUNT(*), @a:=(SELECT 1 FROM t1 LEFT JOIN t1 AS t2 ON @a)) -AS b FROM t1 GROUP BY a; -SELECT @a; -DROP TABLE t1; -CREATE TABLE t1(f1 INT, f2 INT); -INSERT INTO t1 VALUES (1,2),(2,3),(3,1); -CREATE TABLE t2(a INT); -INSERT INTO t2 VALUES (1); -SET @var=NULL; -SELECT @var:=(SELECT f2 FROM t2 WHERE @var) FROM t1 GROUP BY f1 ORDER BY f2 DESC -LIMIT 1; -SELECT @var; -DROP TABLE t1, t2; - -CREATE TABLE t1(a INT); -INSERT INTO t1 VALUES (0),(1),(3); -SELECT DISTINCT POW(COUNT(distinct a), @a:=(SELECT 1 FROM t1 LEFT JOIN t1 AS t2 ON @a limit 1)) AS b FROM t1 GROUP BY a; -SELECT @a; -DROP TABLE t1; - --echo End of 5.5 tests diff --git a/mysys/errors.c b/mysys/errors.c index 4f8f6f26c2a..1063cae8856 100644 --- a/mysys/errors.c +++ b/mysys/errors.c @@ -53,7 +53,7 @@ const char *globerrs[GLOBERRS]= "File '%s' (fileno: %d) was not closed", "Can't change ownership of the file '%s' (Errcode: %d)", "Can't change permissions of the file '%s' (Errcode: %d)", - "Can't seek in file '%s' (Errcode: %d)" + "Can't seek in file '%s' (Errcode: %d)", "Can't change mode for file '%s' to 0x%lx (Error: %d)", "Warning: Can't copy ownership for file '%s' (Error: %d)" }; diff --git a/mysys/mf_pack.c b/mysys/mf_pack.c index 5bbafeb9945..d684be238e6 100644 --- a/mysys/mf_pack.c +++ b/mysys/mf_pack.c @@ -1,5 +1,5 @@ /* Copyright (c) 2000, 2013, Oracle and/or its affiliates. - Copyright (c) 2012, Monty Program Ab + Copyright (c) 2012, 2013, Monty Program Ab. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/mysys/my_write.c b/mysys/my_write.c index c4cba7a927d..4997a4a804a 100644 --- a/mysys/my_write.c +++ b/mysys/my_write.c @@ -47,11 +47,17 @@ size_t my_write(File Filedes, const uchar *Buffer, size_t Count, myf MyFlags) #else writtenbytes= write(Filedes, Buffer, Count); #endif - DBUG_EXECUTE_IF("simulate_file_write_error", - { - errno= ENOSPC; - writtenbytes= (size_t) -1; - }); + + /** + To simulate the write error set the errno = error code + and the number pf written bytes to -1. + */ + DBUG_EXECUTE_IF ("simulate_file_write_error", + if (!errors) { + errno= ENOSPC; + writtenbytes= (size_t) -1; + }); + if (writtenbytes == Count) break; if (writtenbytes != (size_t) -1) diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc index fec6998d0ce..9a0ed877bf1 100644 --- a/sql/item_cmpfunc.cc +++ b/sql/item_cmpfunc.cc @@ -5533,6 +5533,7 @@ Item_equal::Item_equal(Item *f1, Item *f2, bool with_const_item) equal_items.push_back(f1); equal_items.push_back(f2); compare_as_dates= with_const_item && f2->cmp_type() == TIME_RESULT; + upper_levels= NULL; } @@ -5561,10 +5562,11 @@ Item_equal::Item_equal(Item_equal *item_equal) with_const= item_equal->with_const; compare_as_dates= item_equal->compare_as_dates; cond_false= item_equal->cond_false; + upper_levels= item_equal->upper_levels; } -/* +/** @brief Add a constant item to the Item_equal object @@ -5618,6 +5620,7 @@ void Item_equal::add_const(Item *c, Item *f) const_item_cache= 1; } + /** @brief Check whether a field is referred to in the multiple equality @@ -5686,6 +5689,87 @@ void Item_equal::merge(Item_equal *item) /** @brief + Merge members of another Item_equal object into this one + + @param item multiple equality whose members are to be merged + + @details + If the Item_equal 'item' happened to have some elements of the list + of equal items belonging to 'this' object then the function merges + the equal items from 'item' into this list. + If both lists contains constants and they are different then + the value of the cond_false flag is set to TRUE. + + @retval + 1 the lists of equal items in 'item' and 'this' contain common elements + @retval + 0 otherwise + + @notes + The method 'merge' just joins the list of equal items belonging to 'item' + to the list of equal items belonging to this object assuming that the lists + are disjoint. It would be more correct to call the method 'join'. + The method 'merge_with_check' really merges two lists of equal items if they + have common members. +*/ + +bool Item_equal::merge_with_check(Item_equal *item) +{ + bool intersected= FALSE; + Item_equal_fields_iterator_slow fi(*this); + while (fi++) + { + if (item->contains(fi.get_curr_field())) + { + fi.remove(); + intersected= TRUE; + } + } + if (intersected) + item->merge(this); + return intersected; +} + + +/** + @brief + Merge this object into a list of Item_equal objects + + @param list the list of Item_equal objects to merge into + + @details + If the list of equal items from 'this' object contains common members + with the lists of equal items belonging to Item_equal objects from 'list' + then all involved Item_equal objects e1,...,ek are merged into one + Item equal that replaces e1,...,ek in the 'list'. Otherwise this + Item_equal is joined to the 'list'. +*/ + +void Item_equal::merge_into_list(List<Item_equal> *list) +{ + Item_equal *item; + List_iterator<Item_equal> it(*list); + Item_equal *merge_into= NULL; + while((item= it++)) + { + if (!merge_into) + { + if (merge_with_check(item)) + merge_into= item; + } + else + { + if (item->merge_with_check(merge_into)) + it.remove(); + } + } + if (!merge_into) + list->push_back(this); +} + + +/** + @brief Order equal items of the multiple equality according to a sorting criteria @param compare function to compare items from the equal_items list diff --git a/sql/item_cmpfunc.h b/sql/item_cmpfunc.h index eed9028a630..cbff4db3d0f 100644 --- a/sql/item_cmpfunc.h +++ b/sql/item_cmpfunc.h @@ -1575,6 +1575,11 @@ public: DBUG_ASSERT(nlist->elements); list.prepand(nlist); } + void add_at_end(List<Item> *nlist) + { + DBUG_ASSERT(nlist->elements); + list.concat(nlist); + } bool fix_fields(THD *, Item **ref); void fix_after_pullout(st_select_lex *new_parent, Item **ref); @@ -1600,6 +1605,7 @@ public: bool eval_not_null_tables(uchar *opt_arg); }; +template <template<class> class LI, class T> class Item_equal_iterator; /* The class Item_equal is used to represent conjunctions of equality @@ -1727,7 +1733,11 @@ class Item_equal: public Item_bool_func used in the original equality. */ Item_field *context_field; + public: + + COND_EQUAL *upper_levels; /* multiple equalities of upper and levels */ + inline Item_equal() : Item_bool_func(), with_const(FALSE), eval_item(0), cond_false(0), context_field(NULL) @@ -1744,6 +1754,8 @@ public: /** Get number of field items / references to field items in this object */ uint n_field_items() { return equal_items.elements-test(with_const); } void merge(Item_equal *item); + bool merge_with_check(Item_equal *equal_item); + void merge_into_list(List<Item_equal> *list); void update_const(); enum Functype functype() const { return MULT_EQUAL_FUNC; } longlong val_int(); @@ -1759,7 +1771,8 @@ public: CHARSET_INFO *compare_collation(); void set_context_field(Item_field *ctx_field) { context_field= ctx_field; } - friend class Item_equal_fields_iterator; + friend class Item_equal_iterator<List_iterator_fast,Item>; + friend class Item_equal_iterator<List_iterator,Item>; friend Item *eliminate_item_equal(COND *cond, COND_EQUAL *upper_levels, Item_equal *item_equal); friend bool setup_sj_materialization_part1(struct st_join_table *tab); @@ -1782,39 +1795,42 @@ public: /* - The class Item_equal_fields_iterator is used to iterate over references - to table/view columns from a list of equal items. + The template Item_equal_iterator is used to define classes + Item_equal_fields_iterator and Item_equal_fields_iterator_slow. + These are helper classes for the class Item equal + Both classes are used to iterate over references to table/view columns + from the list of equal items that included in an Item_equal object. + The second class supports the operation of removal of the current member + from the list when performing an iteration. */ -class Item_equal_fields_iterator : public List_iterator_fast<Item> +template <template<class> class LI, class T> class Item_equal_iterator + : public LI<T> { +protected: Item_equal *item_equal; Item *curr_item; public: - Item_equal_fields_iterator(Item_equal &item_eq) - :List_iterator_fast<Item> (item_eq.equal_items) + Item_equal_iterator<LI,T>(Item_equal &item_eq) + :LI<T> (item_eq.equal_items) { curr_item= NULL; item_equal= &item_eq; if (item_eq.with_const) { - List_iterator_fast<Item> *list_it= this; + LI<T> *list_it= this; curr_item= (*list_it)++; } } Item* operator++(int) { - List_iterator_fast<Item> *list_it= this; + LI<T> *list_it= this; curr_item= (*list_it)++; return curr_item; } - Item ** ref() - { - return List_iterator_fast<Item>::ref(); - } void rewind(void) { - List_iterator_fast<Item> *list_it= this; + LI<T> *list_it= this; list_it->rewind(); if (item_equal->with_const) curr_item= (*list_it)++; @@ -1827,6 +1843,34 @@ public: }; +class Item_equal_fields_iterator + :public Item_equal_iterator<List_iterator_fast,Item > +{ +public: + Item_equal_fields_iterator(Item_equal &item_eq) + :Item_equal_iterator<List_iterator_fast,Item>(item_eq) + { } + Item ** ref() + { + return List_iterator_fast<Item>::ref(); + } +}; + + +class Item_equal_fields_iterator_slow + :public Item_equal_iterator<List_iterator,Item > +{ +public: + Item_equal_fields_iterator_slow(Item_equal &item_eq) + :Item_equal_iterator<List_iterator,Item>(item_eq) + { } + void remove() + { + List_iterator<Item>::remove(); + } +}; + + class Item_cond_and :public Item_cond { public: diff --git a/sql/item_func.cc b/sql/item_func.cc index 7f309c7a4d3..6cfb3a9608d 100644 --- a/sql/item_func.cc +++ b/sql/item_func.cc @@ -4784,7 +4784,7 @@ void Item_func_set_user_var::save_item_result(Item *item) { DBUG_ENTER("Item_func_set_user_var::save_item_result"); - switch (cached_result_type) { + switch (args[0]->result_type()) { case REAL_RESULT: save_result.vreal= item->val_result(); break; diff --git a/sql/opt_range.cc b/sql/opt_range.cc index e8753b7870c..36da59fd6ef 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -11685,7 +11685,8 @@ static bool get_constant_key_infix(KEY *index_info, SEL_ARG *index_range_tree, KEY_PART_INFO **first_non_infix_part); static bool check_group_min_max_predicates(Item *cond, Item_field *min_max_arg_item, - Field::imagetype image_type); + Field::imagetype image_type, + bool *has_min_max_fld, bool *has_other_fld); static void cost_group_min_max(TABLE* table, KEY *index_info, uint used_key_parts, @@ -12025,6 +12026,13 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree, double read_time) else goto next_index; } + /* + This function is called on the precondition that the index is covering. + Therefore if the GROUP BY list contains more elements than the index, + these are duplicates. The GROUP BY list cannot be a prefix of the index. + */ + if (cur_part == end_part && tmp_group) + goto next_index; } /* Check (GA2) if this is a DISTINCT query. @@ -12235,10 +12243,12 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree, double read_time) DBUG_RETURN(NULL); /* Check (SA3) for the where clause. */ + bool has_min_max_fld= false, has_other_fld= false; if (join->conds && min_max_arg_item && !check_group_min_max_predicates(join->conds, min_max_arg_item, (index_info->flags & HA_SPATIAL) ? - Field::itMBR : Field::itRAW)) + Field::itMBR : Field::itRAW, + &has_min_max_fld, &has_other_fld)) DBUG_RETURN(NULL); /* @@ -12286,16 +12296,24 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree, double read_time) SYNOPSIS check_group_min_max_predicates() - cond tree (or subtree) describing all or part of the WHERE - clause being analyzed - min_max_arg_item the field referenced by the MIN/MAX function(s) - min_max_arg_part the keypart of the MIN/MAX argument if any + cond [in] the expression tree being analyzed + min_max_arg [in] the field referenced by the MIN/MAX function(s) + image_type [in] + has_min_max_arg [out] true if the subtree being analyzed references min_max_arg + has_other_arg [out] true if the subtree being analyzed references a column + other min_max_arg DESCRIPTION The function walks recursively over the cond tree representing a WHERE clause, and checks condition (SA3) - if a field is referenced by a MIN/MAX aggregate function, it is referenced only by one of the following - predicates: {=, !=, <, <=, >, >=, between, is null, is not null}. + predicates $FUNC$: + {=, !=, <, <=, >, >=, between, is [not] null, multiple equal}. + In addition the function checks that the WHERE condition is equivalent to + "cond1 AND cond2" where : + cond1 - does not use min_max_column at all. + cond2 - is an AND/OR tree with leaves in form + "$FUNC$(min_max_column[, const])". RETURN TRUE if cond passes the test @@ -12304,7 +12322,8 @@ get_best_group_min_max(PARAM *param, SEL_TREE *tree, double read_time) static bool check_group_min_max_predicates(Item *cond, Item_field *min_max_arg_item, - Field::imagetype image_type) + Field::imagetype image_type, + bool *has_min_max_arg, bool *has_other_arg) { DBUG_ENTER("check_group_min_max_predicates"); DBUG_ASSERT(cond && min_max_arg_item); @@ -12316,12 +12335,24 @@ check_group_min_max_predicates(Item *cond, Item_field *min_max_arg_item, DBUG_PRINT("info", ("Analyzing: %s", ((Item_func*) cond)->func_name())); List_iterator_fast<Item> li(*((Item_cond*) cond)->argument_list()); Item *and_or_arg; + Item_func::Functype func_type= ((Item_cond*) cond)->functype(); + bool has_min_max= false, has_other= false; while ((and_or_arg= li++)) { - if (!check_group_min_max_predicates(and_or_arg, min_max_arg_item, - image_type)) + /* + The WHERE clause doesn't pass the condition if: + (1) any subtree doesn't pass the condition or + (2) the subtree passes the test, but it is an OR and it references both + the min/max argument and other columns. + */ + if (!check_group_min_max_predicates(and_or_arg, min_max_arg_item, //1 + image_type, + &has_min_max, &has_other) || + (func_type == Item_func::COND_OR_FUNC && has_min_max && has_other))//2 DBUG_RETURN(FALSE); } + *has_min_max_arg= has_min_max || *has_min_max_arg; + *has_other_arg= has_other || *has_other_arg; DBUG_RETURN(TRUE); } @@ -12355,6 +12386,10 @@ check_group_min_max_predicates(Item *cond, Item_field *min_max_arg_item, if (cond_type == Item::FIELD_ITEM) { DBUG_PRINT("info", ("Analyzing: %s", cond->full_name())); + if (min_max_arg_item->eq((Item_field*)cond, 1)) + *has_min_max_arg= true; + else + *has_other_arg= true; DBUG_RETURN(TRUE); } @@ -12363,9 +12398,33 @@ check_group_min_max_predicates(Item *cond, Item_field *min_max_arg_item, /* Test if cond references only group-by or non-group fields. */ Item_func *pred= (Item_func*) cond; + Item_func::Functype pred_type= pred->functype(); + DBUG_PRINT("info", ("Analyzing: %s", pred->func_name())); + if (pred_type == Item_func::MULT_EQUAL_FUNC) + { + /* + Check that each field in a multiple equality is either a constant or + it is a reference to the min/max argument, or it doesn't contain the + min/max argument at all. + */ + Item_equal_fields_iterator eq_it(*((Item_equal*)pred)); + Item *eq_item; + bool has_min_max= false, has_other= false; + while ((eq_item= eq_it++)) + { + if (min_max_arg_item->eq(eq_item->real_item(), 1)) + has_min_max= true; + else + has_other= true; + } + *has_min_max_arg= has_min_max || *has_min_max_arg; + *has_other_arg= has_other || *has_other_arg; + DBUG_RETURN(!(has_min_max && has_other)); + } + Item **arguments= pred->arguments(); Item *cur_arg; - DBUG_PRINT("info", ("Analyzing: %s", pred->func_name())); + bool has_min_max= false, has_other= false; for (uint arg_idx= 0; arg_idx < pred->argument_count (); arg_idx++) { cur_arg= arguments[arg_idx]->real_item(); @@ -12374,11 +12433,11 @@ check_group_min_max_predicates(Item *cond, Item_field *min_max_arg_item, { if (min_max_arg_item->eq(cur_arg, 1)) { - /* - If pred references the MIN/MAX argument, check whether pred is a range - condition that compares the MIN/MAX argument with a constant. - */ - Item_func::Functype pred_type= pred->functype(); + has_min_max= true; + /* + If pred references the MIN/MAX argument, check whether pred is a range + condition that compares the MIN/MAX argument with a constant. + */ if (pred_type != Item_func::EQUAL_FUNC && pred_type != Item_func::LT_FUNC && pred_type != Item_func::LE_FUNC && @@ -12418,14 +12477,16 @@ check_group_min_max_predicates(Item *cond, Item_field *min_max_arg_item, min_max_arg_item->field->cmp_type() != args[1]->result_type()))) DBUG_RETURN(FALSE); } + else + has_other= true; } else if (cur_arg->type() == Item::FUNC_ITEM) { - if (!check_group_min_max_predicates(cur_arg, min_max_arg_item, - image_type)) + if (!check_group_min_max_predicates(cur_arg, min_max_arg_item, image_type, + &has_min_max, &has_other)) DBUG_RETURN(FALSE); } - else if (cur_arg->const_item()) + else if (cur_arg->const_item() && !cur_arg->is_expensive()) { /* For predicates of the form "const OP expr" we also have to check 'expr' @@ -12435,7 +12496,11 @@ check_group_min_max_predicates(Item *cond, Item_field *min_max_arg_item, } else DBUG_RETURN(FALSE); + if(has_min_max && has_other) + DBUG_RETURN(FALSE); } + *has_min_max_arg= has_min_max || *has_min_max_arg; + *has_other_arg= has_other || *has_other_arg; DBUG_RETURN(TRUE); } diff --git a/sql/opt_subselect.cc b/sql/opt_subselect.cc index 753722fac08..dfe2ece76d9 100644 --- a/sql/opt_subselect.cc +++ b/sql/opt_subselect.cc @@ -2542,6 +2542,10 @@ void advance_sj_state(JOIN *join, table_map remaining_tables, uint idx, /* Mark strategy as used */ (*strategy)->mark_used(); pos->sj_strategy= sj_strategy; + if (sj_strategy == SJ_OPT_MATERIALIZE) + join->sjm_lookup_tables |= handled_fanout; + else + join->sjm_lookup_tables &= ~handled_fanout; *current_read_time= read_time; *current_record_count= rec_count; join->cur_dups_producing_tables &= ~handled_fanout; @@ -3066,6 +3070,13 @@ void restore_prev_sj_state(const table_map remaining_tables, const JOIN_TAB *tab, uint idx) { TABLE_LIST *emb_sj_nest; + + if (tab->emb_sj_nest) + { + table_map subq_tables= tab->emb_sj_nest->sj_inner_tables; + tab->join->sjm_lookup_tables &= ~subq_tables; + } + if ((emb_sj_nest= tab->emb_sj_nest)) { /* If we're removing the last SJ-inner table, remove the sj-nest */ @@ -3243,6 +3254,7 @@ void fix_semijoin_strategies_for_picked_join_order(JOIN *join) uint tablenr; table_map remaining_tables= 0; table_map handled_tabs= 0; + join->sjm_lookup_tables= 0; for (tablenr= table_count - 1 ; tablenr != join->const_tables - 1; tablenr--) { POSITION *pos= join->best_positions + tablenr; @@ -3268,6 +3280,7 @@ void fix_semijoin_strategies_for_picked_join_order(JOIN *join) first= tablenr - sjm->tables + 1; join->best_positions[first].n_sj_tables= sjm->tables; join->best_positions[first].sj_strategy= SJ_OPT_MATERIALIZE; + join->sjm_lookup_tables|= s->table->map; } else if (pos->sj_strategy == SJ_OPT_MATERIALIZE_SCAN) { diff --git a/sql/sql_cache.cc b/sql/sql_cache.cc index 0d28e9adb6f..016973ab51a 100644 --- a/sql/sql_cache.cc +++ b/sql/sql_cache.cc @@ -4287,13 +4287,13 @@ my_bool Query_cache::move_by_type(uchar **border, case Query_cache_block::RES_CONT: case Query_cache_block::RESULT: { - DBUG_PRINT("qcache", ("block 0x%lx RES* (%d)", (ulong) block,
- (int) block->type));
- if (*border == 0)
- break;
- Query_cache_block *query_block= block->result()->parent();
- BLOCK_LOCK_WR(query_block);
- Query_cache_block *next= block->next, *prev= block->prev;
+ DBUG_PRINT("qcache", ("block 0x%lx RES* (%d)", (ulong) block, + (int) block->type)); + if (*border == 0) + break; + Query_cache_block *query_block= block->result()->parent(); + BLOCK_LOCK_WR(query_block); + Query_cache_block *next= block->next, *prev= block->prev; Query_cache_block::block_type type= block->type; ulong len = block->length, used = block->used; Query_cache_block *pprev = block->pprev, diff --git a/sql/sql_class.cc b/sql/sql_class.cc index 27c80967c2b..18b59a8c2fc 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -3458,9 +3458,9 @@ int select_dumpvar::send_data(List<Item> &items) else { Item_func_set_user_var *suv= new Item_func_set_user_var(mv->s, item); + suv->save_item_result(item); if (suv->fix_fields(thd, 0)) DBUG_RETURN (1); - suv->save_item_result(item); if (suv->update()) DBUG_RETURN (1); } diff --git a/sql/sql_class.h b/sql/sql_class.h index ba410354df9..52acba682a2 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -3263,6 +3263,7 @@ public: #else void begin_dataset() {} #endif + virtual void update_used_tables() {} }; @@ -4002,6 +4003,7 @@ public: return updated; } virtual void abort_result_set(); + void update_used_tables(); }; class my_var : public Sql_alloc { diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc index b3ee0636bd7..583aee6bc00 100644 --- a/sql/sql_lex.cc +++ b/sql/sql_lex.cc @@ -3856,7 +3856,8 @@ void SELECT_LEX::update_used_tables() { for (ORDER *order= order_list.first; order; order= order->next) (*order->item)->update_used_tables(); - } + } + join->result->update_used_tables(); } diff --git a/sql/sql_list.h b/sql/sql_list.h index b4e0ab84aab..aef2f8d5f25 100644 --- a/sql/sql_list.h +++ b/sql/sql_list.h @@ -287,13 +287,15 @@ public: if (node == &end_of_list) return; } - *prev= *last; + *prev= &end_of_list; last= prev; } inline void prepand(base_list *list) { if (!list->is_empty()) { + if (is_empty()) + last= list->last; *list->last= first; first= list->first; elements+= list->elements; diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 38b9b643d10..8792be20915 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -129,9 +129,10 @@ static int return_zero_rows(JOIN *join, select_result *res, List<Item> &fields, bool send_row, ulonglong select_options, const char *info, Item *having, List<Item> &all_fields); -static COND *build_equal_items(THD *thd, COND *cond, +static COND *build_equal_items(JOIN *join, COND *cond, COND_EQUAL *inherited, List<TABLE_LIST> *join_list, + bool ignore_on_conds, COND_EQUAL **cond_equal_ref); static COND* substitute_for_best_equal_field(JOIN_TAB *context_tab, COND *cond, @@ -147,7 +148,8 @@ static uint build_bitmap_for_nested_joins(List<TABLE_LIST> *join_list, static COND *optimize_cond(JOIN *join, COND *conds, List<TABLE_LIST> *join_list, - Item::cond_result *cond_value, + bool ignore_on_conds, + Item::cond_result *cond_value, COND_EQUAL **cond_equal); bool const_expression_in_where(COND *conds,Item *item, Item **comp_item); static bool create_internal_tmp_table_from_heap2(THD *, TABLE *, @@ -1064,7 +1066,8 @@ JOIN::optimize() if (setup_jtbm_semi_joins(this, join_list, &conds)) DBUG_RETURN(1); - conds= optimize_cond(this, conds, join_list, &cond_value, &cond_equal); + conds= optimize_cond(this, conds, join_list, FALSE, + &cond_value, &cond_equal); if (thd->is_error()) { @@ -1074,7 +1077,9 @@ JOIN::optimize() } { - having= optimize_cond(this, having, join_list, &having_value, &having_equal); + having= optimize_cond(this, having, join_list, TRUE, + &having_value, &having_equal); + if (thd->is_error()) { error= 1; @@ -4993,6 +4998,7 @@ static void optimize_keyuse(JOIN *join, DYNAMIC_ARRAY *keyuse_array) } + /** Check for the presence of AGGFN(DISTINCT a) queries that may be subject to loose index scan. @@ -5319,6 +5325,8 @@ best_access_path(JOIN *join, 2. we won't get two ref-or-null's */ if (!(remaining_tables & keyuse->used_tables) && + s->access_from_tables_is_allowed(keyuse->used_tables, + join->sjm_lookup_tables) && !(ref_or_null_part && (keyuse->optimize & KEY_OPTIMIZE_REF_OR_NULL))) { @@ -7856,7 +7864,9 @@ static bool create_ref_for_key(JOIN *join, JOIN_TAB *j, */ do { - if (!(~used_tables & keyuse->used_tables)) + if (!(~used_tables & keyuse->used_tables) && + j->access_from_tables_is_allowed(keyuse->used_tables, + join->sjm_lookup_tables)) { if (are_tables_local(j, keyuse->val->used_tables())) { @@ -7924,7 +7934,9 @@ static bool create_ref_for_key(JOIN *join, JOIN_TAB *j, uint i; for (i=0 ; i < keyparts ; keyuse++,i++) { - while (((~used_tables) & keyuse->used_tables) || + while (((~used_tables) & keyuse->used_tables) || + !j->access_from_tables_is_allowed(keyuse->used_tables, + join->sjm_lookup_tables) || keyuse->keypart == NO_KEYPART || (keyuse->keypart != (is_hash_join_key_no(key) ? @@ -8138,9 +8150,9 @@ inline void add_cond_and_fix(THD *thd, Item **e1, Item *e2) Item *res; if ((res= new Item_cond_and(*e1, e2))) { - *e1= res; res->fix_fields(thd, 0); res->update_used_tables(); + *e1= res; } } else @@ -10393,7 +10405,6 @@ bool JOIN_TAB::preread_init() } - /** Build a TABLE_REF structure for index lookup in the temporary table @@ -11706,6 +11717,7 @@ static COND *build_equal_items_for_cond(THD *thd, COND *cond, item_equal->update_used_tables(); set_if_bigger(thd->lex->current_select->max_equal_elems, item_equal->n_field_items()); + item_equal->upper_levels= inherited; return item_equal; } @@ -11810,6 +11822,8 @@ static COND *build_equal_items_for_cond(THD *thd, COND *cond, @param inherited path to all inherited multiple equality items @param join_list list of join tables to which the condition refers to + @ignore_on_conds TRUE <-> do not build multiple equalities + for on expressions @param[out] cond_equal_ref pointer to the structure to place built equalities in @@ -11817,10 +11831,13 @@ static COND *build_equal_items_for_cond(THD *thd, COND *cond, pointer to the transformed condition containing multiple equalities */ -static COND *build_equal_items(THD *thd, COND *cond, COND_EQUAL *inherited, +static COND *build_equal_items(JOIN *join, COND *cond, + COND_EQUAL *inherited, List<TABLE_LIST> *join_list, + bool ignore_on_conds, COND_EQUAL **cond_equal_ref) { + THD *thd= join->thd; COND_EQUAL *cond_equal= 0; if (cond) @@ -11845,7 +11862,7 @@ static COND *build_equal_items(THD *thd, COND *cond, COND_EQUAL *inherited, } *cond_equal_ref= cond_equal; - if (join_list) + if (join_list && !ignore_on_conds) { TABLE_LIST *table; List_iterator<TABLE_LIST> li(*join_list); @@ -11860,8 +11877,8 @@ static COND *build_equal_items(THD *thd, COND *cond, COND_EQUAL *inherited, We can modify table->on_expr because its old value will be restored before re-execution of PS/SP. */ - table->on_expr= build_equal_items(thd, table->on_expr, inherited, - nested_join_list, + table->on_expr= build_equal_items(join, table->on_expr, inherited, + nested_join_list, ignore_on_conds, &table->cond_equal); } } @@ -12058,11 +12075,16 @@ Item *eliminate_item_equal(COND *cond, COND_EQUAL *upper_levels, Item *item_const= item_equal->get_const(); Item_equal_fields_iterator it(*item_equal); Item *head; - DBUG_ASSERT(!cond || cond->type() == Item::COND_ITEM); - TABLE_LIST *current_sjm= NULL; Item *current_sjm_head= NULL; + DBUG_ASSERT(!cond || + cond->type() == Item::INT_ITEM || + (cond->type() == Item::FUNC_ITEM && + ((Item_func *) cond)->functype() == Item_func::EQ_FUNC) || + (cond->type() == Item::COND_ITEM && + ((Item_func *) cond)->functype() == Item_func::COND_AND_FUNC)); + /* Pick the "head" item: the constant one or the first in the join order (if the first in the join order happends to be inside an SJM nest, that's @@ -12137,8 +12159,8 @@ Item *eliminate_item_equal(COND *cond, COND_EQUAL *upper_levels, if (produce_equality) { - if (eq_item) - eq_list.push_back(eq_item); + if (eq_item && eq_list.push_back(eq_item)) + return 0; /* If we're inside an SJM-nest (current_sjm!=NULL), and the multi-equality @@ -12162,31 +12184,61 @@ Item *eliminate_item_equal(COND *cond, COND_EQUAL *upper_levels, current_sjm= field_sjm; } - if (!cond) + /* + We have produced zero, one, or more pair-wise equalities eq_i. We want to + return an expression in form: + + cond AND eq_1 AND eq_2 AND eq_3 AND ... + + 'cond' is a parameter for this function, which may be NULL, an Item_int(1), + or an Item_func_eq or an Item_cond_and. + + We want to return a well-formed condition: no nested Item_cond_and objects, + or Item_cond_and with a single child: + - if 'cond' is an Item_cond_and, we add eq_i as its tail + - if 'cond' is Item_int(1), we return eq_i + - otherwise, we create our own Item_cond_and and put 'cond' at the front of + it. + - if we have only one condition to return, we don't create an Item_cond_and + */ + + if (eq_item && eq_list.push_back(eq_item)) + return 0; + COND *res= 0; + switch (eq_list.elements) + { + case 0: + res= cond ? cond : new Item_int((longlong) 1, 1); + break; + case 1: + if (!cond || cond->type() == Item::INT_ITEM) + res= eq_item; + break; + default: + break; + } + if (!res) { - if (eq_list.is_empty()) + if (cond) { - if (eq_item) - return eq_item; - return new Item_int((longlong) 1, 1); + if (cond->type() == Item::COND_ITEM) + { + res= cond; + ((Item_cond *) res)->add_at_end(&eq_list); + } + else if (eq_list.push_front(cond)) + return 0; } - /* eq_item is always set if list is not empty */ - DBUG_ASSERT(eq_item); - eq_list.push_back(eq_item); - if (!(cond= new Item_cond_and(eq_list))) - return 0; // Error - } - else + } + if (!res) + res= new Item_cond_and(eq_list); + if (res) { - if (eq_item) - eq_list.push_back(eq_item); - if (!eq_list.is_empty()) - ((Item_cond *) cond)->add_at_head(&eq_list); + res->quick_fix_field(); + res->update_used_tables(); } - cond->quick_fix_field(); - cond->update_used_tables(); - - return cond; + + return res; } @@ -12289,31 +12341,68 @@ static COND* substitute_for_best_equal_field(JOIN_TAB *context_tab, if (and_level) { + COND *eq_cond= 0; List_iterator_fast<Item_equal> it(cond_equal->current_level); + bool false_eq_cond= FALSE; while ((item_equal= it++)) { - cond= eliminate_item_equal(cond, cond_equal->upper_levels, item_equal); - // This occurs when eliminate_item_equal() founds that cond is - // always false and substitutes it with Item_int 0. - // Due to this, value of item_equal will be 0, so just return it. - if (!cond) - return org_cond; // Error - if (cond->type() != Item::COND_ITEM) + eq_cond= eliminate_item_equal(eq_cond, cond_equal->upper_levels, + item_equal); + if (!eq_cond) + { + eq_cond= 0; break; + } + else if (eq_cond->type() == Item::INT_ITEM && !eq_cond->val_bool()) + { + /* + This occurs when eliminate_item_equal() founds that cond is + always false and substitutes it with Item_int 0. + Due to this, value of item_equal will be 0, so just return it. + */ + cond= eq_cond; + false_eq_cond= TRUE; + break; + } } - } - if (cond->type() == Item::COND_ITEM && - !((Item_cond*)cond)->argument_list()->elements) - cond= new Item_int((int32)cond->val_bool()); - + if (eq_cond && !false_eq_cond) + { + /* Insert the generated equalities before all other conditions */ + if (eq_cond->type() == Item::COND_ITEM) + ((Item_cond *) cond)->add_at_head( + ((Item_cond *) eq_cond)->argument_list()); + else + { + if (cond_list->is_empty()) + cond= eq_cond; + else + { + /* Do not add an equality condition if it's always true */ + if (eq_cond->type() != Item::INT_ITEM && + cond_list->push_front(eq_cond)) + eq_cond= 0; + } + } + } + if (!eq_cond) + { + /* + We are out of memory doing the transformation. + This is a fatal error now. However we bail out by returning the + original condition that we had before we started the transformation. + */ + cond_list->concat((List<Item> *) &cond_equal->current_level); + } + } } else if (cond->type() == Item::FUNC_ITEM && ((Item_cond*) cond)->functype() == Item_func::MULT_EQUAL_FUNC) { item_equal= (Item_equal *) cond; item_equal->sort(&compare_fields_by_table_order, table_join_idx); + cond_equal= item_equal->upper_levels; if (cond_equal && cond_equal->current_level.head() == item_equal) - cond_equal= 0; + cond_equal= cond_equal->upper_levels; cond= eliminate_item_equal(0, cond_equal, item_equal); return cond ? cond : org_cond; } @@ -13272,7 +13361,8 @@ void optimize_wo_join_buffering(JOIN *join, uint first_tab, uint last_tab, static COND * -optimize_cond(JOIN *join, COND *conds, List<TABLE_LIST> *join_list, +optimize_cond(JOIN *join, COND *conds, + List<TABLE_LIST> *join_list, bool ignore_on_conds, Item::cond_result *cond_value, COND_EQUAL **cond_equal) { THD *thd= join->thd; @@ -13281,7 +13371,9 @@ optimize_cond(JOIN *join, COND *conds, List<TABLE_LIST> *join_list, if (!conds) { *cond_value= Item::COND_TRUE; - build_equal_items(join->thd, NULL, NULL, join_list, cond_equal); + if (!ignore_on_conds) + build_equal_items(join, NULL, NULL, join_list, ignore_on_conds, + cond_equal); } else { @@ -13294,7 +13386,8 @@ optimize_cond(JOIN *join, COND *conds, List<TABLE_LIST> *join_list, multiple equality contains a constant. */ DBUG_EXECUTE("where", print_where(conds, "original", QT_ORDINARY);); - conds= build_equal_items(join->thd, conds, NULL, join_list, cond_equal); + conds= build_equal_items(join, conds, NULL, join_list, ignore_on_conds, + cond_equal); DBUG_EXECUTE("where",print_where(conds,"after equal_items", QT_ORDINARY);); /* change field = field to field = const for each found field = const */ @@ -13350,7 +13443,61 @@ internal_remove_eq_conds(THD *thd, COND *cond, Item::cond_result *cond_value) li.remove(); else if (item != new_item) { - (void) li.replace(new_item); + if (and_level) + { + /* + Take a special care of multiple equality predicates + that may be part of 'cond' and 'new_item'. + Those multiple equalities that have common members + must be merged. + */ + Item_cond_and *cond_and= (Item_cond_and *) cond; + List<Item_equal> *cond_equal_items= + &cond_and->cond_equal.current_level; + List<Item> *cond_and_list= cond_and->argument_list(); + + if (new_item->type() == Item::COND_ITEM && + ((Item_cond*) new_item)->functype() == Item_func::COND_AND_FUNC) + { + Item_cond_and *new_item_and= (Item_cond_and *) new_item; + List<Item_equal> *new_item_equal_items= + &new_item_and->cond_equal.current_level; + List<Item> *new_item_and_list= new_item_and->argument_list(); + cond_and_list->disjoin((List<Item>*) cond_equal_items); + new_item_and_list->disjoin((List<Item>*) new_item_equal_items); + Item_equal *equal_item; + List_iterator<Item_equal> it(*new_item_equal_items); + while ((equal_item= it++)) + { + equal_item->merge_into_list(cond_equal_items); + } + if (new_item_and_list->is_empty()) + li.remove(); + else + li.replace(*new_item_and_list); + cond_and_list->concat((List<Item>*) cond_equal_items); + } + else if (new_item->type() == Item::FUNC_ITEM && + ((Item_cond*) new_item)->functype() == + Item_func::MULT_EQUAL_FUNC) + { + cond_and_list->disjoin((List<Item>*) cond_equal_items); + ((Item_equal *) new_item)->merge_into_list(cond_equal_items); + li.remove(); + cond_and_list->concat((List<Item>*) cond_equal_items); + } + else + li.replace(new_item); + } + else + { + if (new_item->type() == Item::COND_ITEM && + ((Item_cond*) new_item)->functype() == + ((Item_cond*) cond)->functype()) + li.replace(*((Item_cond*) new_item)->argument_list()); + else + li.replace(new_item); + } should_fix_fields=1; } if (*cond_value == Item::COND_UNDEF) diff --git a/sql/sql_select.h b/sql/sql_select.h index f52e9c45613..a278899e185 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -516,6 +516,16 @@ typedef struct st_join_table { bool preread_init(); bool is_sjm_nest() { return test(bush_children); } + + bool access_from_tables_is_allowed(table_map used_tables, + table_map sjm_lookup_tables) + { + table_map used_sjm_lookup_tables= used_tables & sjm_lookup_tables; + return !used_sjm_lookup_tables || + (emb_sj_nest && + !(used_sjm_lookup_tables & ~emb_sj_nest->sj_inner_tables)); + } + } JOIN_TAB; @@ -966,6 +976,11 @@ public: bool hash_join; bool do_send_rows; table_map const_table_map; + /** + Bitmap of semijoin tables that the current partial plan decided + to materialize and access by lookups + */ + table_map sjm_lookup_tables; /* Constant tables for which we have found a row (as opposed to those for which we didn't). @@ -1290,8 +1305,9 @@ public: outer_ref_cond= pseudo_bits_cond= NULL; in_to_exists_where= NULL; in_to_exists_having= NULL; - pre_sort_join_tab= NULL; + emb_sjm_nest= NULL; + sjm_lookup_tables= 0; } int prepare(Item ***rref_pointer_array, TABLE_LIST *tables, uint wind_num, diff --git a/sql/sql_table.cc b/sql/sql_table.cc index f75d1bafdd3..098166daf45 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -1,6 +1,6 @@ /* Copyright (c) 2000, 2012, Oracle and/or its affiliates. - Copyright (c) 2010, 2011, Monty Program Ab + Copyright (c) 2010, 2013, Monty Program Ab This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/sql/sql_update.cc b/sql/sql_update.cc index f59dfb3bc93..d36c36ca592 100644 --- a/sql/sql_update.cc +++ b/sql/sql_update.cc @@ -1591,6 +1591,15 @@ int multi_update::prepare(List<Item> ¬_used_values, DBUG_RETURN(thd->is_fatal_error != 0); } +void multi_update::update_used_tables() +{ + Item *item; + List_iterator_fast<Item> it(*values); + while ((item= it++)) + { + item->update_used_tables(); + } +} /* Check if table is safe to update on fly diff --git a/storage/heap/hp_delete.c b/storage/heap/hp_delete.c index a01db50a478..043e4d3540d 100644 --- a/storage/heap/hp_delete.c +++ b/storage/heap/hp_delete.c @@ -48,7 +48,6 @@ int heap_delete(HP_INFO *info, const uchar *record) pos[share->reclength]=0; /* Record deleted */ share->deleted++; share->key_version++; - info->current_hash_ptr=0; #if !defined(DBUG_OFF) && defined(EXTRA_HEAP_DEBUG) DBUG_EXECUTE("check_heap",heap_check_heap(info, 0);); #endif @@ -182,21 +181,50 @@ int hp_delete_key(HP_INFO *info, register HP_KEYDEF *keyinfo, } pos2= hp_mask(lastpos_hashnr, blength, share->records + 1); if (pos2 == hp_mask(pos_hashnr, blength, share->records + 1)) - { /* Identical key-positions */ + { + /* lastpos and the row in the main bucket entry (pos) has the same hash */ if (pos2 != share->records) { - empty[0]=lastpos[0]; + /* + The bucket entry was not deleted. Copy lastpos over the + deleted entry and update previous link to point to it. + */ + empty[0]= lastpos[0]; hp_movelink(lastpos, pos, empty); + if (last_ptr == lastpos) + { + /* + We moved the row that info->current_hash_ptr points to. + Update info->current_hash_ptr to point to the new position. + */ + info->current_hash_ptr= empty; + } DBUG_RETURN(0); } - pos3= pos; /* Link pos->next after lastpos */ - } - else - { - pos3= 0; /* Different positions merge */ - keyinfo->hash_buckets--; + /* + Shrinking the hash table deleted the main bucket entry for this hash. + In this case the last entry was the first key in the key chain. + We move things around so that we keep the original key order to ensure + that heap_rnext() works. + + - Move the row at the main bucket entry to the empty spot. + - Move the last entry first in the new chain. + - Link in the first element of the hash. + */ + empty[0]= pos[0]; + pos[0]= lastpos[0]; + hp_movelink(pos, pos, empty); + + /* Update current_hash_ptr if the entry moved */ + if (last_ptr == lastpos) + info->current_hash_ptr= pos; + else if (last_ptr == pos) + info->current_hash_ptr= empty; + DBUG_RETURN(0); } + pos3= 0; /* Different positions merge */ + keyinfo->hash_buckets--; empty[0]=lastpos[0]; hp_movelink(pos3, empty, pos->next_key); pos->next_key=empty; diff --git a/storage/maria/ma_check.c b/storage/maria/ma_check.c index 8e68f5a7898..1feb2ae5df2 100644 --- a/storage/maria/ma_check.c +++ b/storage/maria/ma_check.c @@ -4021,8 +4021,8 @@ int maria_repair_by_sort(HA_CHECK *param, register MARIA_HA *info, if (rep_quick && (param->testflag & T_FORCE_UNIQUENESS)) { - my_off_t skr= (share->state.state.data_file_length + - (sort_info.org_data_file_type == COMPRESSED_RECORD) ? + my_off_t skr= share->state.state.data_file_length + + ((sort_info.org_data_file_type == COMPRESSED_RECORD) ? MEMMAP_EXTRA_MARGIN : 0); #ifdef USE_RELOC if (sort_info.org_data_file_type == STATIC_RECORD && @@ -4540,8 +4540,8 @@ int maria_repair_parallel(HA_CHECK *param, register MARIA_HA *info, if (rep_quick && (param->testflag & T_FORCE_UNIQUENESS)) { - my_off_t skr= (share->state.state.data_file_length + - (sort_info.org_data_file_type == COMPRESSED_RECORD) ? + my_off_t skr= share->state.state.data_file_length + + ((sort_info.org_data_file_type == COMPRESSED_RECORD) ? MEMMAP_EXTRA_MARGIN : 0); #ifdef USE_RELOC if (sort_info.org_data_file_type == STATIC_RECORD && |