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Diffstat (limited to '')
| -rw-r--r-- | mysql-test/main/func_gconcat.result | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/mysql-test/main/func_gconcat.result b/mysql-test/main/func_gconcat.result index fea25124..f817a117 100644 --- a/mysql-test/main/func_gconcat.result +++ b/mysql-test/main/func_gconcat.result @@ -1443,3 +1443,98 @@ drop table t1; # # End of 10.3 tests # +# +# MDEV-31276: Execution of PS from grouping query with join +# and GROUP_CONCAT set function +# +create table t1 (a int, b varchar(20)) engine=myisam; +create table t2 (a int, c varchar(20)) engine=myisam; +insert into t1 values (1,"aaaaaaaaaa"),(2,"bbbbbbbbbb"); +insert into t2 values (1,"cccccccccc"),(2,"dddddddddd"); +insert into t2 values (1,"eeeeeee"),(2,"fffffff"); +set group_concat_max_len=5; +select count(*), group_concat(t1.b,t2.c) +from t1 join t2 on t1.a=t2.a group by t1.a; +count(*) group_concat(t1.b,t2.c) +2 aaaaa +2 bbbbb +Warnings: +Warning 1260 Row 1 was cut by GROUP_CONCAT() +Warning 1260 Row 2 was cut by GROUP_CONCAT() +explain select count(*), group_concat(t1.b,t2.c) +from t1 join t2 on t1.a=t2.a group by t1.a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort +1 SIMPLE t2 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join) +prepare stmt from "select count(*), group_concat(t1.b,t2.c) +from t1 join t2 on t1.a=t2.a group by t1.a"; +execute stmt; +count(*) group_concat(t1.b,t2.c) +2 aaaaa +2 bbbbb +Warnings: +Warning 1260 Row 1 was cut by GROUP_CONCAT() +Warning 1260 Row 2 was cut by GROUP_CONCAT() +execute stmt; +count(*) group_concat(t1.b,t2.c) +2 aaaaa +2 bbbbb +Warnings: +Warning 1260 Row 1 was cut by GROUP_CONCAT() +Warning 1260 Row 2 was cut by GROUP_CONCAT() +deallocate prepare stmt; +set join_cache_level=0; +select count(*), group_concat(t1.b,t2.c) +from t1 join t2 on t1.a=t2.a group by t1.a; +count(*) group_concat(t1.b,t2.c) +2 aaaaa +2 bbbbb +Warnings: +Warning 1260 Row 1 was cut by GROUP_CONCAT() +Warning 1260 Row 2 was cut by GROUP_CONCAT() +explain select count(*), group_concat(t1.b,t2.c) +from t1 join t2 on t1.a=t2.a group by t1.a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using filesort +1 SIMPLE t2 ALL NULL NULL NULL NULL 4 Using where +prepare stmt from "select count(*), group_concat(t1.b,t2.c) +from t1 join t2 on t1.a=t2.a group by t1.a"; +execute stmt; +count(*) group_concat(t1.b,t2.c) +2 aaaaa +2 bbbbb +Warnings: +Warning 1260 Row 1 was cut by GROUP_CONCAT() +Warning 1260 Row 2 was cut by GROUP_CONCAT() +execute stmt; +count(*) group_concat(t1.b,t2.c) +2 aaaaa +2 bbbbb +Warnings: +Warning 1260 Row 1 was cut by GROUP_CONCAT() +Warning 1260 Row 2 was cut by GROUP_CONCAT() +deallocate prepare stmt; +set join_cache_level=default; +set group_concat_max_len=default; +drop table t1,t2; +# +# MDEV-33772 Bad SEPARATOR value in GROUP_CONCAT on character set conversion +# +SET NAMES utf8, @@collation_connection=latin1_swedish_ci; +CREATE TABLE t1 (c VARCHAR(10)) CHARACTER SET latin1; +INSERT INTO t1 VALUES ('a'),('A'); +CREATE OR REPLACE VIEW v1 AS +SELECT GROUP_CONCAT(c SEPARATOR 'ß') AS c1 FROM t1 GROUP BY c; +SELECT * FROM v1; +c1 +aßA +SELECT HEX(c1) FROM v1; +HEX(c1) +61DF41 +SHOW CREATE VIEW v1; +View Create View character_set_client collation_connection +v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select group_concat(`t1`.`c` separator 'ß') AS `c1` from `t1` group by `t1`.`c` utf8mb3 latin1_swedish_ci +DROP VIEW v1; +DROP TABLE t1; +SET NAMES latin1; +# End of 10.5 tests |