diff options
Diffstat (limited to 'mysql-test')
-rw-r--r-- | mysql-test/main/func_group.result | 11 | ||||
-rw-r--r-- | mysql-test/main/func_group.test | 12 |
2 files changed, 18 insertions, 5 deletions
diff --git a/mysql-test/main/func_group.result b/mysql-test/main/func_group.result index 0f80d14b603..6617d21a197 100644 --- a/mysql-test/main/func_group.result +++ b/mysql-test/main/func_group.result @@ -1,4 +1,3 @@ -drop table if exists t1,t2,t3,t4,t5,t6; set @sav_dpi= @@div_precision_increment; set div_precision_increment= 5; show variables like 'div_precision_increment'; @@ -2566,5 +2565,15 @@ stddev_samp(i) stddev_pop(i) stddev(i) std(i) drop view v1; drop table t1; # +# MDEV-29988: Major performance regression with 10.6.11 +# +create table t1 (a varchar(10) charset utf8mb4, b int, c int); +insert t1 values (1,2,3),(4,5,6),(1,7,8); +select concat(a,":",group_concat(b)) from t1 group by a; +concat(a,":",group_concat(b)) +1:2,7 +4:5 +drop table t1; +# # End of 10.3 tests # diff --git a/mysql-test/main/func_group.test b/mysql-test/main/func_group.test index 6b3a15fd45e..5693940dda6 100644 --- a/mysql-test/main/func_group.test +++ b/mysql-test/main/func_group.test @@ -2,10 +2,6 @@ # simple test of all group functions # ---disable_warnings -drop table if exists t1,t2,t3,t4,t5,t6; ---enable_warnings - set @sav_dpi= @@div_precision_increment; set div_precision_increment= 5; show variables like 'div_precision_increment'; @@ -1801,5 +1797,13 @@ drop view v1; drop table t1; --echo # +--echo # MDEV-29988: Major performance regression with 10.6.11 +--echo # +create table t1 (a varchar(10) charset utf8mb4, b int, c int); +insert t1 values (1,2,3),(4,5,6),(1,7,8); +select concat(a,":",group_concat(b)) from t1 group by a; +drop table t1; + +--echo # --echo # End of 10.3 tests --echo # |