diff options
Diffstat (limited to 'mysql-test/t')
| -rw-r--r-- | mysql-test/t/myisam.test | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/mysql-test/t/myisam.test b/mysql-test/t/myisam.test index 83e9e1ba7d2..dc40ecc2dd4 100644 --- a/mysql-test/t/myisam.test +++ b/mysql-test/t/myisam.test @@ -590,4 +590,51 @@ checksum table t1; checksum table t2; drop table t1, t2; +# BUG#12232: New myisam_stats_method variable. +show variables like 'myisam_stats_method'; + +create table t1 (a int, key(a)); +insert into t1 values (0),(1),(2),(3),(4); +insert into t1 select NULL from t1; + +# default: NULLs considered inequal +analyze table t1; +show index from t1; +insert into t1 values (11); +delete from t1 where a=11; +check table t1; +show index from t1; + +# Set nulls to be equal: +set myisam_stats_method=nulls_equal; +show variables like 'myisam_stats_method'; +insert into t1 values (11); +delete from t1 where a=11; + +analyze table t1; +show index from t1; + +insert into t1 values (11); +delete from t1 where a=11; + +check table t1; +show index from t1; + +# Set nulls back to be equal +set myisam_stats_method=DEFAULT; +show variables like 'myisam_stats_method'; +insert into t1 values (11); +delete from t1 where a=11; + +analyze table t1; +show index from t1; + +insert into t1 values (11); +delete from t1 where a=11; + +check table t1; +show index from t1; + +drop table t1; + # End of 4.1 tests |