diff options
Diffstat (limited to 'mysql-test/main/null_key.test')
| -rw-r--r-- | mysql-test/main/null_key.test | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mysql-test/main/null_key.test b/mysql-test/main/null_key.test index a5781cc8524..90ed142d5c7 100644 --- a/mysql-test/main/null_key.test +++ b/mysql-test/main/null_key.test @@ -104,6 +104,7 @@ CREATE TABLE t2 ( INSERT INTO t1 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4),(9,NULL),(10,NULL); INSERT INTO t1 VALUES (11,5),(12,6),(13,7),(14,8),(15,9); +INSERT INTO t1 VALUES (1000,1000),(1010,1010); INSERT INTO t2 VALUES (1,NULL),(2,NULL),(3,1),(4,2),(5,NULL),(6,NULL),(7,3),(8,4),(9,NULL),(10,NULL); # # Check IS NULL optimization @@ -122,6 +123,12 @@ select id from t2 where uniq_id is null; # DELETE FROM t1 WHERE uniq_id IS NULL; DELETE FROM t2 WHERE uniq_id IS NULL; + +# +# Delete extra records that were used to force null optimization +# +DELETE FROM t1 WHERE id >= 1000; + # # Select what is left -- notice the difference # |