diff options
| -rw-r--r-- | mysql-test/r/select.result | 9 | ||||
| -rw-r--r-- | mysql-test/t/select.test | 13 |
2 files changed, 22 insertions, 0 deletions
diff --git a/mysql-test/r/select.result b/mysql-test/r/select.result index b501d547e0a..bfe0b9d19df 100644 --- a/mysql-test/r/select.result +++ b/mysql-test/r/select.result @@ -3986,4 +3986,13 @@ t2.access_id IN (1,4) AND t.access_id IS NULL AND t2.faq_id in (265); faq_id 265 DROP TABLE t1,t2; +CREATE TABLE t1 (a INT, b INT, KEY inx (b,a)); +INSERT INTO t1 VALUES (1,1), (1,2), (1,3), (1,4), (1,5), (1, 6), (1,7); +EXPLAIN SELECT COUNT(*) FROM t1 f1 INNER JOIN t1 f2 +ON ( f1.b=f2.b AND f1.a<f2.a ) +WHERE 1 AND f1.b NOT IN (100,2232,3343,51111); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE f1 index inx inx 10 NULL 7 Using where; Using index +1 SIMPLE f2 ref inx inx 5 test.f1.b 1 Using where; Using index +DROP TABLE t1; End of 5.0 tests diff --git a/mysql-test/t/select.test b/mysql-test/t/select.test index c5c7d07ee25..56b2f1b02b8 100644 --- a/mysql-test/t/select.test +++ b/mysql-test/t/select.test @@ -3357,4 +3357,17 @@ SELECT t2.faq_id DROP TABLE t1,t2; + +# +# Bug #19372: Optimizer does not use index anymore when WHERE index NOT IN +# () is added +# +CREATE TABLE t1 (a INT, b INT, KEY inx (b,a)); + +INSERT INTO t1 VALUES (1,1), (1,2), (1,3), (1,4), (1,5), (1, 6), (1,7); +EXPLAIN SELECT COUNT(*) FROM t1 f1 INNER JOIN t1 f2 + ON ( f1.b=f2.b AND f1.a<f2.a ) + WHERE 1 AND f1.b NOT IN (100,2232,3343,51111); +DROP TABLE t1; + --echo End of 5.0 tests |