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Diffstat (limited to 'mysql-test/t/select.test')
| -rw-r--r-- | mysql-test/t/select.test | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mysql-test/t/select.test b/mysql-test/t/select.test index 8981ddbe2e4..715bdf0e667 100644 --- a/mysql-test/t/select.test +++ b/mysql-test/t/select.test @@ -3726,6 +3726,20 @@ cr.f4 = cr2.f4 GROUP BY a.f3, cr.f4; drop table t1, t2, t3; + + +# +# Bug #40925: Equality propagation takes non indexed attribute +# + +CREATE TABLE t1 (a INT KEY, b INT); +INSERT INTO t1 VALUES (1,1), (2,2), (3,3), (4,4); + +EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND a = b LIMIT 2; +EXPLAIN EXTENDED SELECT a, b FROM t1 WHERE a > 1 AND b = a LIMIT 2; + +DROP TABLE t1; + --echo End of 5.0 tests # |