diff options
Diffstat (limited to 'mysql-test/main/range_debug.test')
| -rw-r--r-- | mysql-test/main/range_debug.test | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/mysql-test/main/range_debug.test b/mysql-test/main/range_debug.test new file mode 100644 index 00000000..25783dbe --- /dev/null +++ b/mysql-test/main/range_debug.test @@ -0,0 +1,32 @@ +source include/have_debug.inc; +# +# BUG#21282 +# +create table t1 (a int); +insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t2 (a int, key(a)); +insert into t2 select 2*(A.a + 10*(B.a + 10*C.a)) from t1 A, t1 B, t1 C; + +set in_predicate_conversion_threshold= 2000; + +set @a="select * from t2 force index (a) where a NOT IN(0"; +--disable_ps2_protocol +select count(*) from (select @a:=concat(@a, ',', a) from t2 ) Z; +--enable_ps2_protocol +set @a=concat(@a, ')'); + +insert into t2 values (11),(13),(15); + +set @b= concat("explain ", @a); + +prepare stmt1 from @b; +execute stmt1; + +prepare stmt1 from @a; +execute stmt1; + +set in_predicate_conversion_threshold= default; + +drop table t1, t2; + + |