diff options
Diffstat (limited to 'mysql-test/r/derived_view.result')
| -rw-r--r-- | mysql-test/r/derived_view.result | 631 |
1 files changed, 611 insertions, 20 deletions
diff --git a/mysql-test/r/derived_view.result b/mysql-test/r/derived_view.result index 37157162e61..30c4d330e64 100644 --- a/mysql-test/r/derived_view.result +++ b/mysql-test/r/derived_view.result @@ -714,8 +714,8 @@ SELECT t.a FROM t1 LEFT JOIN GROUP BY t.a; id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort -1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where +1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where Warnings: Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` left join (`test`.`t2` join `test`.`t3`) on(((`test`.`t2`.`a` >= 1) and (`test`.`t3`.`b` > 5))) where 1 group by `test`.`t2`.`a` SELECT t.a FROM t1 LEFT JOIN @@ -730,8 +730,8 @@ SELECT t.a FROM t1 LEFT JOIN GROUP BY t.a; id select_type table type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort -1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where +1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where Warnings: Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` left join (`test`.`t2` join `test`.`t3`) on(((`test`.`t2`.`a` >= 1) and (`test`.`t3`.`b` > 5))) where 1 group by `test`.`t2`.`a` SELECT t.a FROM t1 LEFT JOIN @@ -749,15 +749,17 @@ INSERT INTO t1 VALUES ('c'); CREATE TABLE t2 (a varchar(1) , KEY (a)) ; INSERT INTO t2 VALUES ('c'), (NULL), ('r'); CREATE TABLE t3 (a varchar(1), b varchar(1)); -INSERT INTO t3 VALUES ('e', 'c'), ('c', 'c'), ('c', 'r'); +INSERT INTO t3 VALUES +('e', 'c'), ('c', 'c'), ('c', 'r'), ('g', 'a'), ('b', 'x'), ('b', 'y'), +('h', 'w'), ('d', 'z'), ('k', 'v'), ('j', 's'), ('m', 'p'), ('l', 'q'); CREATE VIEW v1 AS SELECT a, MIN(b) AS b FROM t3 GROUP BY a; EXPLAIN SELECT * FROM t1, t2, v1 WHERE t2.a=t1.a AND t2.a=v1.a AND t2.a=v1.b; id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 system NULL NULL NULL NULL 1 1 PRIMARY t2 ref a a 4 const 1 Using index -1 PRIMARY <derived2> ref key1 key1 10 test.t1.a,test.t1.a 2 -2 DERIVED t3 ALL NULL NULL NULL NULL 3 Using temporary; Using filesort +1 PRIMARY <derived2> ref key0 key0 10 const,const 1 +2 DERIVED t3 ALL NULL NULL NULL NULL 12 Using temporary; Using filesort SELECT * FROM t1, t2, v1 WHERE t2.a=t1.a AND t2.a=v1.a AND t2.a=v1.b; a a a b c c c c @@ -789,11 +791,11 @@ SELECT * FROM t3 WHERE t3.a IN (SELECT v1.a FROM v1, t2 WHERE t2.a = v1.b); 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 -2 DEPENDENT SUBQUERY <derived3> ref key0 key0 5 func 2 100.00 +2 DEPENDENT SUBQUERY <derived3> ref key1 key1 5 func 2 100.00 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 3 DERIVED t1 ALL NULL NULL NULL NULL 3 100.00 Using temporary; Using filesort Warnings: -Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <in_optimizer>(`test`.`t3`.`a`,<exists>(select `v1`.`a` from `test`.`v1` join `test`.`t2` where ((`test`.`t2`.`a` = `v1`.`b`) and (<cache>(`test`.`t3`.`a`) = `v1`.`a`)))) +Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <expr_cache><`test`.`t3`.`a`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(select `v1`.`a` from `test`.`v1` join `test`.`t2` where ((`test`.`t2`.`a` = `v1`.`b`) and (<cache>(`test`.`t3`.`a`) = `v1`.`a`))))) SELECT * FROM t3 WHERE t3.a IN (SELECT v1.a FROM v1, t2 WHERE t2.a = v1.b); a @@ -997,10 +999,10 @@ SELECT * FROM t2 RIGHT JOIN (SELECT * FROM t1) AS t ON t.a != 0 WHERE t.a IN (SELECT b FROM t1); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00 +1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where -3 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00 Warnings: -Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` where <in_optimizer>(0,<exists>(select 0 from dual where (<cache>(0) = 0))) +Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` semi join (dual) where 1 SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0 WHERE t.a IN (SELECT b FROM t1); a a b @@ -1010,10 +1012,10 @@ SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0 WHERE t.a IN (SELECT b FROM t1); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00 +1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where -2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00 Warnings: -Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` where <in_optimizer>(0,<exists>(select 0 from dual where (<cache>(0) = 0))) +Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` semi join (dual) where 1 DROP VIEW v1; DROP TABLE t1,t2; # @@ -1024,7 +1026,9 @@ INSERT INTO t1 VALUES (0); CREATE TABLE t2 (a varchar(32), b int, KEY (a)) ; INSERT INTO t2 VALUES ('j',28), ('c',29), ('i',26), ('c',29), ('k',27), -('j',28), ('c',29), ('i',25), ('d',26), ('k',27); +('j',28), ('c',29), ('i',25), ('d',26), ('k',27), +('n',28), ('d',29), ('m',26), ('e',29), ('p',27), +('w',28), ('x',29), ('y',25), ('z',26), ('s',27); CREATE TABLE t3 (a varchar(32)); INSERT INTO t3 VALUES ('j'), ('c'); CREATE VIEW v1 AS SELECT DISTINCT t2.b FROM t1,t2,t3 WHERE t3.a = t2.a; @@ -1085,7 +1089,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00 2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used Warnings: -Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5))))))) +Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<expr_cache><6,5>(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5)))))))) SELECT t.a,t.b FROM t3 RIGHT JOIN ((SELECT * FROM t1) AS t, t2) ON t2.b != 0 WHERE (t.a,t.b) NOT IN (SELECT 7, 5); a b @@ -1094,12 +1098,12 @@ EXPLAIN EXTENDED SELECT t.a,t.b FROM t3 RIGHT JOIN ((SELECT * FROM t1) AS t, t2) ON t2.b != 0 WHERE (t.a,t.b) NOT IN (SELECT 7, 5); id select_type table type possible_keys key key_len ref rows filtered Extra -1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00 +1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00 3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used Warnings: -Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5))))))) +Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<expr_cache><6,5>(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5)))))))) SELECT t.a,t.b FROM t3 RIGHT JOIN (v1 AS t, t2) ON t2.b != 0 WHERE (t.a,t.b) NOT IN (SELECT 7, 5); a b @@ -1108,12 +1112,12 @@ EXPLAIN EXTENDED SELECT t.a,t.b FROM t3 RIGHT JOIN (v1 AS t, t2) ON t2.b != 0 WHERE (t.a,t.b) NOT IN (SELECT 7, 5); id select_type table type possible_keys key key_len ref rows filtered Extra -1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00 +1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00 2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used Warnings: -Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5))))))) +Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where (not(<expr_cache><6,5>(<in_optimizer>((6,5),<exists>(select 7,5 having (trigcond(((<cache>(6) = 7) or isnull(7))) and trigcond(((<cache>(5) = 5) or isnull(5))) and trigcond(<is_not_null_test>(7)) and trigcond(<is_not_null_test>(5)))))))) DROP VIEW v1; DROP TABLE t1,t2,t3; # @@ -1153,7 +1157,7 @@ EXPLAIN SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v1); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where -2 DEPENDENT SUBQUERY <derived3> index_subquery key0 key0 10 func,func 2 Using where +1 PRIMARY <derived3> ref key0 key0 10 test.t1.a,test.t1.b 2 FirstMatch(t1) 3 DERIVED t2 ALL NULL NULL NULL NULL 6 Using temporary; Using filesort SELECT * FROM v2; a b @@ -1173,7 +1177,7 @@ EXPLAIN SELECT a FROM t1 WHERE (a,b) IN (SELECT * FROM v2); id select_type table type possible_keys key key_len ref rows Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where -2 DEPENDENT SUBQUERY <derived3> index_subquery key0 key0 10 func,func 2 Using where +1 PRIMARY <derived3> ref key0 key0 10 test.t1.a,test.t1.b 2 FirstMatch(t1) 3 DERIVED t2 ALL NULL NULL NULL NULL 6 4 UNION t3 ALL NULL NULL NULL NULL 4 NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL @@ -1272,7 +1276,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where Warnings: Note 1276 Field or reference 't.a' of SELECT #3 was resolved in SELECT #1 -Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where exists(select 28 from `test`.`t3` where ('j' < `test`.`t1`.`a`)) +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists(select 28 from `test`.`t3` where ('j' < `test`.`t1`.`a`))) SELECT * FROM (SELECT * FROM t1) AS t WHERE EXISTS (SELECT t2.a FROM t3 RIGHT JOIN t2 ON (t3.a = t2.a) WHERE t2.b < t.a); @@ -1280,4 +1284,591 @@ a r p DROP TABLE t1,t2,t3; +# +# LP bug #824463: nested outer join using a merged view +# as an inner table +# +CREATE TABLE t1 (b int, a int) ; +CREATE TABLE t2 (a int) ; +INSERT INTO t2 VALUES (5), (6); +CREATE TABLE t3 (a int , c int) ; +INSERT INTO t3 VALUES (22,1), (23,-1); +CREATE TABLE t4 (a int); +CREATE TABLE t5 (d int) ; +INSERT INTO t5 VALUES (0), (7), (3), (5); +CREATE VIEW v2 AS SELECT * FROM t2; +CREATE VIEW v3 AS SELECT * FROM t3; +EXPLAIN EXTENDED +SELECT STRAIGHT_JOIN * +FROM ( t2 AS s2 +JOIN +( t3 AS s3 +LEFT JOIN +( t4 LEFT JOIN t3 ON t4.a != 0 ) +ON s3.a != 0) +ON s2.a != 0) +JOIN t5 ON s3.c != 0 AND t5.d = 0; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE s2 ALL NULL NULL NULL NULL 2 100.00 Using where +1 SIMPLE s3 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +1 SIMPLE t4 ALL NULL NULL NULL NULL 0 0.00 Using where +1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where +1 SIMPLE t5 ALL NULL NULL NULL NULL 4 100.00 Using where; Using join buffer (flat, BNL join) +Warnings: +Note 1003 select straight_join `test`.`s2`.`a` AS `a`,`test`.`s3`.`a` AS `a`,`test`.`s3`.`c` AS `c`,`test`.`t4`.`a` AS `a`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`c` AS `c`,`test`.`t5`.`d` AS `d` from `test`.`t2` `s2` join `test`.`t3` `s3` left join (`test`.`t4` left join `test`.`t3` on((`test`.`t4`.`a` <> 0))) on((`test`.`s3`.`a` <> 0)) join `test`.`t5` where ((`test`.`t5`.`d` = 0) and (`test`.`s3`.`c` <> 0) and (`test`.`s2`.`a` <> 0)) +SELECT STRAIGHT_JOIN * +FROM ( t2 AS s2 +JOIN +( t3 AS s3 +LEFT JOIN +( t4 LEFT JOIN t3 ON t4.a != 0 ) +ON s3.a != 0) +ON s2.a != 0) +JOIN t5 ON s3.c != 0 AND t5.d = 0; +a a c a a c d +5 22 1 NULL NULL NULL 0 +6 22 1 NULL NULL NULL 0 +5 23 -1 NULL NULL NULL 0 +6 23 -1 NULL NULL NULL 0 +EXPLAIN EXTENDED +SELECT STRAIGHT_JOIN * +FROM t2 AS s2 , t5, +(t3 LEFT JOIN (t4 LEFT JOIN t3 AS s3 ON t4.a != 0) ON t3.a != 0) +WHERE s2.a != 0 AND t3.c != 0 AND t5.d = 0; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE s2 ALL NULL NULL NULL NULL 2 100.00 Using where +1 SIMPLE t5 ALL NULL NULL NULL NULL 4 100.00 Using where; Using join buffer (flat, BNL join) +1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +1 SIMPLE t4 ALL NULL NULL NULL NULL 0 0.00 Using where +1 SIMPLE s3 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1003 select straight_join `test`.`s2`.`a` AS `a`,`test`.`t5`.`d` AS `d`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`c` AS `c`,`test`.`t4`.`a` AS `a`,`test`.`s3`.`a` AS `a`,`test`.`s3`.`c` AS `c` from `test`.`t2` `s2` join `test`.`t5` join `test`.`t3` left join (`test`.`t4` left join `test`.`t3` `s3` on((`test`.`t4`.`a` <> 0))) on((`test`.`t3`.`a` <> 0)) where ((`test`.`t5`.`d` = 0) and (`test`.`s2`.`a` <> 0) and (`test`.`t3`.`c` <> 0)) +SELECT STRAIGHT_JOIN * +FROM t2 AS s2 , t5, +(t3 LEFT JOIN (t4 LEFT JOIN t3 AS s3 ON t4.a != 0) ON t3.a != 0) +WHERE s2.a != 0 AND t3.c != 0 AND t5.d = 0; +a d a c a a c +5 0 22 1 NULL NULL NULL +6 0 22 1 NULL NULL NULL +5 0 23 -1 NULL NULL NULL +6 0 23 -1 NULL NULL NULL +EXPLAIN EXTENDED +SELECT STRAIGHT_JOIN * +FROM v2 AS s2 , t5, +(t3 LEFT JOIN (t4 LEFT JOIN v3 AS s3 ON t4.a != 0) ON t3.a != 0) +WHERE s2.a != 0 AND t3.c != 0 AND t5.d = 0; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where +1 SIMPLE t5 ALL NULL NULL NULL NULL 4 100.00 Using where; Using join buffer (flat, BNL join) +1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +1 SIMPLE t4 ALL NULL NULL NULL NULL 0 0.00 Using where +1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1003 select straight_join `test`.`t2`.`a` AS `a`,`test`.`t5`.`d` AS `d`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`c` AS `c`,`test`.`t4`.`a` AS `a`,`test`.`t3`.`a` AS `a`,`test`.`t3`.`c` AS `c` from `test`.`t2` join `test`.`t5` join `test`.`t3` left join (`test`.`t4` left join (`test`.`t3`) on((`test`.`t4`.`a` <> 0))) on((`test`.`t3`.`a` <> 0)) where ((`test`.`t5`.`d` = 0) and (`test`.`t2`.`a` <> 0) and (`test`.`t3`.`c` <> 0)) +SELECT STRAIGHT_JOIN * +FROM v2 AS s2 , t5, +(t3 LEFT JOIN (t4 LEFT JOIN v3 AS s3 ON t4.a != 0) ON t3.a != 0) +WHERE s2.a != 0 AND t3.c != 0 AND t5.d = 0; +a d a c a a c +5 0 22 1 NULL NULL NULL +6 0 22 1 NULL NULL NULL +5 0 23 -1 NULL NULL NULL +6 0 23 -1 NULL NULL NULL +SELECT STRAIGHT_JOIN * +FROM ( ( t2 AS s2 +LEFT JOIN +( t3 AS s3 +LEFT JOIN +( t4 AS s4 JOIN t3 ON s4.a != 0) +ON s3.a != 0 ) +ON s2.a != 0) +LEFT JOIN +t1 AS s1 +ON s1.a != 0) +JOIN t5 ON s3.c != 0; +a a c a a c b a d +5 22 1 NULL NULL NULL NULL NULL 0 +6 22 1 NULL NULL NULL NULL NULL 0 +5 23 -1 NULL NULL NULL NULL NULL 0 +6 23 -1 NULL NULL NULL NULL NULL 0 +5 22 1 NULL NULL NULL NULL NULL 7 +6 22 1 NULL NULL NULL NULL NULL 7 +5 23 -1 NULL NULL NULL NULL NULL 7 +6 23 -1 NULL NULL NULL NULL NULL 7 +5 22 1 NULL NULL NULL NULL NULL 3 +6 22 1 NULL NULL NULL NULL NULL 3 +5 23 -1 NULL NULL NULL NULL NULL 3 +6 23 -1 NULL NULL NULL NULL NULL 3 +5 22 1 NULL NULL NULL NULL NULL 5 +6 22 1 NULL NULL NULL NULL NULL 5 +5 23 -1 NULL NULL NULL NULL NULL 5 +6 23 -1 NULL NULL NULL NULL NULL 5 +SELECT STRAIGHT_JOIN * +FROM ( ( v2 AS s2 +LEFT JOIN +( v3 AS s3 +LEFT JOIN +( t4 AS s4 JOIN v3 ON s4.a != 0) +ON s3.a != 0 ) +ON s2.a != 0) +LEFT JOIN +t1 AS s1 +ON s1.a != 0) +JOIN t5 ON s3.c != 0; +a a c a a c b a d +5 22 1 NULL NULL NULL NULL NULL 0 +6 22 1 NULL NULL NULL NULL NULL 0 +5 23 -1 NULL NULL NULL NULL NULL 0 +6 23 -1 NULL NULL NULL NULL NULL 0 +5 22 1 NULL NULL NULL NULL NULL 7 +6 22 1 NULL NULL NULL NULL NULL 7 +5 23 -1 NULL NULL NULL NULL NULL 7 +6 23 -1 NULL NULL NULL NULL NULL 7 +5 22 1 NULL NULL NULL NULL NULL 3 +6 22 1 NULL NULL NULL NULL NULL 3 +5 23 -1 NULL NULL NULL NULL NULL 3 +6 23 -1 NULL NULL NULL NULL NULL 3 +5 22 1 NULL NULL NULL NULL NULL 5 +6 22 1 NULL NULL NULL NULL NULL 5 +5 23 -1 NULL NULL NULL NULL NULL 5 +6 23 -1 NULL NULL NULL NULL NULL 5 +DROP VIEW v2,v3; +DROP TABLE t1,t2,t3,t4,t5; +# +# LP bug #872735: derived used in a NOT IN subquery +# +CREATE TABLE t1 (b int NOT NULL); +INSERT INTO t1 VALUES (9), (7); +CREATE TABLE t2 (a int NOT NULL) ; +INSERT INTO t2 VALUES (1), (2); +CREATE TABLE t3 ( +a int NOT NULL , c int NOT NULL, d varchar(1) NOT NULL, +KEY (c,a) , PRIMARY KEY (a) +); +INSERT INTO t3 VALUES +(14,4,'a'), (15,7,'b'), (16,4,'c'), (17,1,'d'), (18,9,'e'), +(19,4,'f'), (20,8,'g'); +SET SESSION optimizer_switch='derived_merge=on,subquery_cache=off'; +# The following two EXPLAINs must return the same execution plan +EXPLAIN +SELECT * FROM t1 , t2 +WHERE (t2.a ,t1.b) NOT IN (SELECT DISTINCT c,a FROM t3 t); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +2 DEPENDENT SUBQUERY t ref PRIMARY,c c 4 func 2 Using where; Using index +EXPLAIN +SELECT * FROM t1 , t2 +WHERE (t2.a ,t1.b) NOT IN (SELECT DISTINCT c,a FROM (SELECT * FROM t3) t); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join) +2 DEPENDENT SUBQUERY t3 ref PRIMARY,c c 4 func 2 Using where; Using index +SELECT * FROM t1 , t2 +WHERE (t2.a ,t1.b) NOT IN (SELECT DISTINCT c,a FROM (SELECT * FROM t3) t); +b a +9 1 +7 1 +9 2 +7 2 +DROP TABLE t1,t2,t3; +# +# LP bug #874006: materialized view used in IN subquery +# +CREATE TABLE t3 (a int NOT NULL, b varchar(1), c varchar(1)); +INSERT INTO t3 VALUES (19,NULL,NULL), (20,'r','r'); +CREATE TABLE t1 (a int, b varchar(1) , c varchar(1)); +INSERT INTO t1 VALUES (1,NULL,NULL), (5,'r','r'), (7,'y','y'); +CREATE TABLE t2 (a int NOT NULL , b int, c varchar(1)); +INSERT INTO t2 VALUES (4,3,'r'); +CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1; +SET SESSION optimizer_switch='derived_with_keys=off'; +EXPLAIN +SELECT * FROM t3 +WHERE t3.b IN (SELECT v1.b FROM v1, t2 +WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; Start temporary +1 PRIMARY <derived3> ALL NULL NULL NULL NULL 3 Using where; End temporary +3 DERIVED t1 ALL NULL NULL NULL NULL 3 +SELECT * FROM t3 +WHERE t3.b IN (SELECT v1.b FROM v1, t2 +WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c); +a b c +20 r r +SET SESSION optimizer_switch='derived_with_keys=on'; +EXPLAIN +SELECT * FROM t3 +WHERE t3.b IN (SELECT v1.b FROM v1, t2 +WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 system NULL NULL NULL NULL 1 +1 PRIMARY <derived3> ref key1 key1 10 const,const 0 Start temporary +1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; End temporary; Using join buffer (flat, BNL join) +3 DERIVED t1 ALL NULL NULL NULL NULL 3 +SELECT * FROM t3 +WHERE t3.b IN (SELECT v1.b FROM v1, t2 +WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c); +a b c +20 r r +DROP VIEW v1; +DROP TABLE t1,t2,t3; +# +# LP bug #873263: materialized view used in correlated IN subquery +# +CREATE TABLE t1 (a int, b int) ; +INSERT INTO t1 VALUES (5,4), (9,8); +CREATE TABLE t2 (a int, b int) ; +INSERT INTO t2 VALUES (4,5), (5,1); +CREATE ALGORITHM=TEMPTABLE VIEW v2 AS SELECT * FROM t2; +SET SESSION optimizer_switch='derived_with_keys=on'; +EXPLAIN +SELECT * FROM t1 WHERE t1.b IN (SELECT v2.a FROM v2 WHERE v2.b = t1.a); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +1 PRIMARY <derived3> ref key0 key0 10 test.t1.b,test.t1.a 2 FirstMatch(t1) +3 DERIVED t2 ALL NULL NULL NULL NULL 2 +SELECT * FROM t1 WHERE t1.b IN (SELECT v2.a FROM v2 WHERE v2.b = t1.a); +a b +5 4 +DROP VIEW v2; +DROP TABLE t1,t2; +# +# LP bug #877316: query over a view with correlated subquery in WHERE +# +CREATE TABLE t1 (a int, b int, PRIMARY KEY (a)) ; +INSERT INTO t1 VALUES (18,2), (19,9); +CREATE TABLE t2 (a int, b int) ; +INSERT INTO t2 VALUES (10,8), (5,10); +CREATE VIEW v1 AS SELECT * FROM t1; +SELECT t1.a FROM t1 +WHERE EXISTS (SELECT t2.a FROM t2 WHERE t2.b < t1.b); +a +19 +EXPLAIN +SELECT t1.a FROM t1 +WHERE EXISTS (SELECT t2.a FROM t2 WHERE t2.b < t1.b); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where +SELECT v1.a FROM v1 +WHERE EXISTS (SELECT t2.a FROM t2 WHERE t2.b < v1.b); +a +19 +EXPLAIN +SELECT v1.a FROM v1 +WHERE EXISTS (SELECT t2.a FROM t2 WHERE t2.b < v1.b); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where +DROP VIEW v1; +DROP TABLE t1,t2; +# +# LP bug #878199: join of two materialized views +# +CREATE TABLE t1 (a int, b varchar(1)) ; +INSERT INTO t1 VALUES (7,'c'), (3,'h'), (7,'c'); +CREATE TABLE t2 (b varchar(1)) ; +INSERT INTO t2 VALUES ('p'), ('c'), ('j'), ('c'), ('p'); +CREATE VIEW v1 AS SELECT * FROM t1 GROUP BY a,b; +CREATE VIEW v2 AS SELECT * FROM t2 GROUP BY b; +SET SESSION optimizer_switch = 'derived_with_keys=on'; +SELECT v1.a FROM v1,v2 WHERE v2.b = v1.b ORDER BY 1; +a +7 +EXPLAIN +SELECT v1.a FROM v1,v2 WHERE v2.b = v1.b ORDER BY 1; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY <derived2> ALL key0 NULL NULL NULL 3 Using where; Using filesort +1 PRIMARY <derived3> ref key0 key0 5 v1.b 2 +3 DERIVED t2 ALL NULL NULL NULL NULL 5 Using temporary; Using filesort +2 DERIVED t1 ALL NULL NULL NULL NULL 3 Using temporary; Using filesort +DROP VIEW v1,v2; +DROP TABLE t1,t2; +# +# Bug #743378: join over merged view employing BNL +# +CREATE TABLE t1 ( d varchar(1) NOT NULL) ; +INSERT INTO t1 VALUES ('j'),('v'),('c'); +CREATE TABLE t2 (h time NOT NULL, d varchar(1) NOT NULL) ; +INSERT INTO t2 VALUES ('05:03:03','w'),('02:59:24','d'),('00:01:58','e'); +CREATE TABLE t3 ( +b int NOT NULL, e varchar(1) NOT NULL, d varchar(1) NOT NULL, KEY (e,b) +); +INSERT INTO t3 VALUES (4,'x','x'),(9,'w','w'),(4,'d','d'),(8,'e','e'); +CREATE TABLE t4 (i int NOT NULL, m varchar(1) NOT NULL) ; +INSERT INTO t4 VALUES (8,'m'),(9,'d'),(2,'s'),(4,'r'),(8,'m'); +CREATE TABLE t5 ( +a int NOT NULL, c int NOT NULL, b int NOT NULL, f date NOT NULL, +g date NOT NULL, h time NOT NULL, j time NOT NULL, k datetime NOT NULL +); +INSERT INTO t5 VALUES +(1,4,0,'0000-00-00','0000-00-00','21:22:34','21:22:34','2002-02-13 17:30'), +(2,6,8,'2004-09-18','2004-09-18','10:50:38','10:50:38','2008-09-27 00:34'); +CREATE VIEW v3 AS SELECT t3.*, t4.i FROM t3, t4, t5; +SET SESSION join_cache_level = 1; +SET SESSION join_buffer_size = 512; +EXPLAIN +SELECT t2.d FROM t1,t2,v3 WHERE v3.e = t2.d AND v3.i < 3; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t2 ALL NULL NULL NULL NULL 3 +1 SIMPLE t3 ref e e 3 test.t2.d 1 Using index +1 SIMPLE t5 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join) +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using join buffer (flat, BNL join) +1 SIMPLE t4 ALL NULL NULL NULL NULL 5 Using where; Using join buffer (flat, BNL join) +SELECT t2.d FROM t1,t2,v3 WHERE v3.e = t2.d AND v3.i < 3; +d +w +d +e +w +d +e +w +d +e +w +d +e +w +d +e +w +d +e +SET SESSION join_cache_level = DEFAULT; +SET SESSION join_buffer_size = DEFAULT; +DROP VIEW v3; +DROP TABLE t1,t2,t3,t4,t5; +# +# Bug #879882: right join within mergeable derived table +# +CREATE TABLE t1 (a varchar(1)); +INSERT INTO t1 VALUES ('c'), ('a'); +CREATE TABLE t2 (a int, b int, c varchar(1)); +INSERT INTO t2 VALUES (29,8,'c'), (39,7,'b'); +CREATE TABLE t3 (b int); +EXPLAIN EXTENDED +SELECT t.b, t.c, t1.a +FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t +WHERE t.b AND t.c = t1.a; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t3 system NULL NULL NULL NULL 0 0.00 const row not found +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 +1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +Warnings: +Note 1003 select `test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c`,`test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`c` = `test`.`t1`.`a`) and `test`.`t2`.`b`) +SELECT t.b, t.c, t1.a +FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t +WHERE t.b AND t.c = t1.a; +b c a +8 c c +EXPLAIN EXTENDED +SELECT t.b, t.c, t1.a +FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t +WHERE t.b <> 0 AND t.c = t1.a; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t3 system NULL NULL NULL NULL 0 0.00 const row not found +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 +1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +Warnings: +Note 1003 select `test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c`,`test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`c` = `test`.`t1`.`a`) and (`test`.`t2`.`b` <> 0)) +SELECT t.b, t.c, t1.a +FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t +WHERE t.b <> 0 AND t.c = t1.a; +b c a +8 c c +INSERT INTO t3 VALUES (100), (200); +EXPLAIN EXTENDED +SELECT t.b, t.c, t1.a +FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t +WHERE t.b AND t.c = t1.a; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 +1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1003 select `test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c`,`test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` left join `test`.`t3` on((`test`.`t3`.`b` = `test`.`t2`.`a`)) where ((`test`.`t2`.`c` = `test`.`t1`.`a`) and `test`.`t2`.`b`) +SELECT t.b, t.c, t1.a +FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t +WHERE t.b AND t.c = t1.a; +b c a +8 c c +EXPLAIN EXTENDED +SELECT t.b, t.c, t1.a +FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t +WHERE t.b <> 0 AND t.c = t1.a; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 +1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) +1 SIMPLE t3 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1003 select `test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c`,`test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` left join `test`.`t3` on((`test`.`t3`.`b` = `test`.`t2`.`a`)) where ((`test`.`t2`.`c` = `test`.`t1`.`a`) and (`test`.`t2`.`b` <> 0)) +SELECT t.b, t.c, t1.a +FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t +WHERE t.b <> 0 AND t.c = t1.a; +b c a +8 c c +DROP TABLE t1,t2,t3; +# +# Bug #880724: materialized const view as inner table of outer join +# +CREATE TABLE t1 (a int, b varchar(1)); +INSERT INTO t1 VALUES (9,NULL), (6,'r'), (7,'c'); +CREATE TABLE t2 (a int); +INSERT INTO t2 VALUES (6); +CREATE ALGORITHM=TEMPTABLE VIEW v2 AS SELECT * FROM t2; +SET SESSION optimizer_switch = 'derived_with_keys=on'; +SET SESSION join_cache_level = 4; +EXPLAIN +SELECT t1.b,v2.a FROM t1 LEFT JOIN v2 ON v2.a = t1.a; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 3 +1 PRIMARY <derived2> ALL NULL NULL NULL NULL 1 Using where +2 DERIVED t2 system NULL NULL NULL NULL 1 +SELECT t1.b,v2.a FROM t1 LEFT JOIN v2 ON v2.a = t1.a; +b a +NULL NULL +r 6 +c NULL +CREATE TABLE t3 (a int, b varchar(1)); +INSERT INTO t3 VALUES (8,'x'), (5,'r'), (9,'y'); +EXPLAIN +SELECT * FROM t3 +WHERE t3.b <> ANY (SELECT t1.b FROM t1 LEFT JOIN v2 ON v2.a = t1.a); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 Using where +2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 1 Using where +3 DERIVED t2 system NULL NULL NULL NULL 1 +SELECT * FROM t3 +WHERE t3.b <> ANY (SELECT t1.b FROM t1 LEFT JOIN v2 ON v2.a = t1.a); +a b +8 x +5 r +9 y +SET SESSION join_cache_level = default; +DROP VIEW v2; +DROP TABLE t1,t2,t3; +# +# Bug #881449: OUTER JOIN usin a merged view within IN subquery +# +CREATE TABLE t1 (a varchar(1)) ; +INSERT INTO t1 VALUES ('y'), ('x'); +CREATE TABLE t2 (a int, PRIMARY KEY (a)) ; +INSERT INTO t2 VALUES (1), (2); +CREATE TABLE t3 (a int, b varchar(1)) ; +INSERT INTO t3 VALUES (1,'x'); +CREATE VIEW v3 AS SELECT * FROM t3; +SET SESSION optimizer_switch='semijoin=on'; +EXPLAIN +SELECT * FROM t1 WHERE a IN (SELECT v3.b FROM t2 RIGHT JOIN v3 ON v3.a = t2.a); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t3 system NULL NULL NULL NULL 1 +1 PRIMARY t2 const PRIMARY PRIMARY 4 const 1 Using index +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where +SELECT * FROM t1 WHERE a IN (SELECT v3.b FROM t2 RIGHT JOIN v3 ON v3.a = t2.a); +a +x +set optimizer_switch= @save_optimizer_switch; +DROP VIEW v3; +DROP TABLE t1,t2,t3; +# +# Bug #874035: view as an inner table of a materialized derived +# +CREATE TABLE t2 (a int NOT NULL); +INSERT INTO t2 VALUES (7), (4); +CREATE TABLE t1 (b int NOT NULL); +INSERT INTO t1 VALUES (5), (7); +CREATE ALGORITHM=MERGE VIEW v1 AS SELECT * FROM t1; +SET SESSION optimizer_switch='derived_merge=off'; +PREPARE st1 FROM +'SELECT * FROM (SELECT * FROM t2 LEFT JOIN v1 ON t2.a = v1.b) AS t'; +EXECUTE st1; +a b +7 7 +4 NULL +EXECUTE st1; +a b +7 7 +4 NULL +DEALLOCATE PREPARE st1; +DROP VIEW v1; +DROP TABLE t1,t2; +SET SESSION optimizer_switch='derived_merge=on'; +# +# LP bug #879939: assertion in ha_maria::enable_indexes +# with derived_with_keys=on +# +CREATE TABLE t2 (a varchar(3)); +INSERT INTO t2 VALUES ('USA'), ('USA'), ('USA'), ('USA'), ('USA'); +CREATE TABLE t1 (a varchar(3), b varchar(35)); +INSERT INTO t1 VALUES +('USA','Lansing'), ('USA','Laredo'), ('USA','Las Vegas'), +('USA','Lexington-Fayett'), ('USA','Lincoln'), ('USA','Little Rock'), +('USA','Livonia'), ('USA','Long Beach'), ('USA','Los Angeles'), +('USA','Louisville'), ('USA','Lowell'), ('USA','Lubbock'), +('USA','Macon'), ('USA','Madison'), ('USA','Manchester'), +('USA','McAllen'), ('USA','Memphis'), ('USA','Mesa'), +('USA','Mesquite'), ('USA','Metairie'), ('USA','Miami'); +CREATE TABLE t3 (a varchar(35)); +INSERT INTO t3 VALUES ('Miami'); +SET optimizer_switch = 'derived_with_keys=on'; +SET @@tmp_table_size=1024*4; +explain SELECT * FROM (SELECT t1.* FROM t1, t2) AS t JOIN t3 ON t3.a = t.b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t3 system NULL NULL NULL NULL 1 +1 SIMPLE t2 ALL NULL NULL NULL NULL 5 +1 SIMPLE t1 ALL NULL NULL NULL NULL 21 Using where; Using join buffer (flat, BNL join) +SELECT * FROM (SELECT t1.* FROM t1, t2) AS t JOIN t3 ON t3.a = t.b; +a b a +USA Miami Miami +USA Miami Miami +USA Miami Miami +USA Miami Miami +USA Miami Miami +SET @@tmp_table_size=1024*1024*16; +SELECT * FROM (SELECT t1.* FROM t1, t2) AS t JOIN t3 ON t3.a = t.b; +a b a +USA Miami Miami +USA Miami Miami +USA Miami Miami +USA Miami Miami +USA Miami Miami +SET @@tmp_table_size=default; +drop table t1,t2,t3; +# +# BUG#882994: Crash in QUICK_RANGE_SELECT::reset with derived_with_keys +# +CREATE TABLE t2 ( +pk varchar(33), +col_varchar_key varchar(3) NOT NULL, +col_varchar_nokey varchar(52) NOT NULL); +INSERT INTO t2 VALUES ('NICSpanish','NIC','Spanish'), +('NERHausa','NER','Hausa'),('NGAJoruba','NGA','Joruba'), +('NIUNiue','NIU','Niue'),('NFKEnglish','NFK','English'), +('NORNorwegian','NOR','Norwegian'),('CIVAkan','CIV','Akan'), +('OMNArabic','OMN','Arabic'),('PAKPunjabi','PAK','Punjabi'), +('PLWPalau','PLW','Palau'),('PANSpanish','PAN','Spanish'), +('PNGPapuan Langua','PNG','Papuan Languages'), ('PRYSpanish','PRY','Spanish'), +('PERSpanish','PER','Spanish'), ('PCNPitcairnese','PCN','Pitcairnese'), +('MNPPhilippene La','MNP','Philippene Langu'),('PRTPortuguese','PRT','Portuguese'), +('PRISpanish','PRI','Spanish'),('POLPolish','POL','Polish'),('GNQFang','GNQ','Fang'); +CREATE TABLE t1 ( col_varchar_nokey varchar(52) NOT NULL ) ; +INSERT INTO t1 VALUES ('Chinese'),('English'),('French'),('German'), +('Italian'),('Japanese'),('Korean'),('Polish'),('Portuguese'),('Spanish'), +('Tagalog'),('Vietnamese'); +CREATE TABLE t3 ( col_varchar_key varchar(52)) ; +INSERT INTO t3 VALUES ('United States'); +set @tmp_882994= @@max_heap_table_size; +set max_heap_table_size=1; +SELECT * +FROM t3 JOIN +( SELECT t2.* FROM t1, t2 ) AS alias2 +ON ( alias2.col_varchar_nokey = t3.col_varchar_key ) +ORDER BY CONCAT(alias2.col_varchar_nokey); +col_varchar_key pk col_varchar_key col_varchar_nokey +set max_heap_table_size= @tmp_882994; +drop table t1,t2,t3; set optimizer_switch=@exit_optimizer_switch; |