diff options
Diffstat (limited to 'mysql-test/main/type_datetime.result')
| -rw-r--r-- | mysql-test/main/type_datetime.result | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/mysql-test/main/type_datetime.result b/mysql-test/main/type_datetime.result index 74b761a2e8f..86dddc93a70 100644 --- a/mysql-test/main/type_datetime.result +++ b/mysql-test/main/type_datetime.result @@ -1301,3 +1301,104 @@ DROP TABLE t1; # # End of 10.3 tests # +# +# Start of 10.4 tests +# +# +# MDEV-11362 True condition elimination does not work for DECIMAL and temporal dynamic SQL parameters +# +CREATE TABLE t1 (a DATETIME); +INSERT INTO t1 VALUES ('2001-01-01 00:00:00'),('2001-01-02 00:00:00'),('2001-01-03 00:00:00'); +# Equal values +EXPLAIN EXTENDED SELECT * FROM t1 WHERE COALESCE(TIMESTAMP'2001:01:01 00:00:00',a)<=>COALESCE(TIMESTAMP'2001-01-01 00:00:00',a); +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where 1 +EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE COALESCE(?,a)<=>COALESCE(?,a)' USING TIMESTAMP'2001-01-01 00:00:00',TIMESTAMP'2001-01-01 00:00:00'; +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where 1 +EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE COALESCE(TIMESTAMP''2001-01-01 00:00:00'',a)<=>COALESCE(?,a)' USING TIMESTAMP'2001-01-01 00:00:00'; +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where 1 +EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE COALESCE(?,a)<=>COALESCE(TIMESTAMP''2001-01-01 00:00:00'',a)' USING TIMESTAMP'2001-01-01 00:00:00'; +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where 1 +# Not equal values +EXPLAIN EXTENDED SELECT * FROM t1 WHERE COALESCE(TIMESTAMP'2001:01:01 00:00:00',a)<=>COALESCE(TIMESTAMP'2001-01-01 00:00:01',a); +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where coalesce(TIMESTAMP'2001-01-01 00:00:00',`test`.`t1`.`a`) <=> coalesce(TIMESTAMP'2001-01-01 00:00:01',`test`.`t1`.`a`) +EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE COALESCE(?,a)<=>COALESCE(?,a)' USING TIMESTAMP'2001-01-01 00:00:00',TIMESTAMP'2001-01-01 00:00:01'; +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where coalesce(<cache>(TIMESTAMP'2001-01-01 00:00:00'),`test`.`t1`.`a`) <=> coalesce(<cache>(TIMESTAMP'2001-01-01 00:00:01'),`test`.`t1`.`a`) +EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE COALESCE(TIMESTAMP''2001-01-01 00:00:00'',a)<=>COALESCE(?,a)' USING TIMESTAMP'2001-01-01 00:00:01'; +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where coalesce(TIMESTAMP'2001-01-01 00:00:00',`test`.`t1`.`a`) <=> coalesce(<cache>(TIMESTAMP'2001-01-01 00:00:01'),`test`.`t1`.`a`) +EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE COALESCE(?,a)<=>COALESCE(TIMESTAMP''2001-01-01 00:00:00'',a)' USING TIMESTAMP'2001-01-01 00:00:01'; +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where coalesce(<cache>(TIMESTAMP'2001-01-01 00:00:01'),`test`.`t1`.`a`) <=> coalesce(TIMESTAMP'2001-01-01 00:00:00',`test`.`t1`.`a`) +DROP TABLE t1; +# +# MDEV-16426 Optimizer erroneously treats equal constants of different formats as same +# +CREATE TABLE t1 (a DATETIME); +INSERT INTO t1 VALUES ('2001-01-01 00:00:00'),('2001-01-01 00:00:01'),('2001-01-01 00:00:02'); +Equal values +SELECT * FROM t1 WHERE LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.0',a))<=>LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.0',a)); +a +2001-01-01 00:00:00 +2001-01-01 00:00:01 +2001-01-01 00:00:02 +EXPLAIN EXTENDED SELECT * FROM t1 WHERE LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.0',a))<=>LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.0',a)); +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where 1 +EXECUTE IMMEDIATE 'SELECT * FROM t1 WHERE LENGTH(COALESCE(TIME''00:00:00.0'',a))<=>LENGTH(COALESCE(?,a))' USING TIMESTAMP'2001-01-01 00:00:00.0'; +a +2001-01-01 00:00:00 +2001-01-01 00:00:01 +2001-01-01 00:00:02 +EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE LENGTH(COALESCE(TIME''00:00:00.0'',a))<=>LENGTH(COALESCE(?,a))' USING TIMESTAMP'2001-01-01 00:00:00.0'; +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where octet_length(coalesce(TIME'00:00:00.0',`test`.`t1`.`a`)) <=> octet_length(coalesce(<cache>(TIMESTAMP'2001-01-01 00:00:00.0'),`test`.`t1`.`a`)) +Values with different formats +SELECT LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.0',a)),LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.00',a)) FROM t1; +LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.0',a)) LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.00',a)) +21 22 +21 22 +21 22 +SELECT * FROM t1 WHERE LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.0',a))<=>LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.00',a)); +a +EXPLAIN EXTENDED SELECT * FROM t1 WHERE LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.0',a))<=>LENGTH(COALESCE(TIMESTAMP'2001-01-01 00:00:00.00',a)); +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where octet_length(coalesce(TIMESTAMP'2001-01-01 00:00:00.0',`test`.`t1`.`a`)) <=> octet_length(coalesce(TIMESTAMP'2001-01-01 00:00:00.00',`test`.`t1`.`a`)) +EXECUTE IMMEDIATE 'SELECT * FROM t1 WHERE LENGTH(COALESCE(TIME''00:00:00.0'',a))<=>LENGTH(COALESCE(?,a))' USING TIMESTAMP'2001-01-01 00:00:00.00'; +a +EXECUTE IMMEDIATE 'EXPLAIN EXTENDED SELECT * FROM t1 WHERE LENGTH(COALESCE(TIME''00:00:00.0'',a))<=>LENGTH(COALESCE(?,a))' USING TIMESTAMP'2001-01-01 00:00:00.00'; +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 +Warnings: +Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where octet_length(coalesce(TIME'00:00:00.0',`test`.`t1`.`a`)) <=> octet_length(coalesce(<cache>(TIMESTAMP'2001-01-01 00:00:00.00'),`test`.`t1`.`a`)) +DROP TABLE t1; +# +# End of 10.4 tests +# |