diff options
Diffstat (limited to 'mysql-test/t/subselect3.test')
| -rw-r--r-- | mysql-test/t/subselect3.test | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/mysql-test/t/subselect3.test b/mysql-test/t/subselect3.test index 7e9aa1554c0..2d88d1660b0 100644 --- a/mysql-test/t/subselect3.test +++ b/mysql-test/t/subselect3.test @@ -640,4 +640,33 @@ WHERE NULL NOT IN ( DROP TABLE t1; +# +# Bug #39069: <row constructor> IN <table-subquery> seriously messed up +# + +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (1), (2), (11); + +--echo # 2nd and 3rd columns should be same +SELECT a, ROW(11, 12) = (SELECT a, 22), ROW(11, 12) IN (SELECT a, 22) FROM t1 GROUP BY t1.a; +SELECT a, ROW(11, 12) = (SELECT a, 12), ROW(11, 12) IN (SELECT a, 12) FROM t1 GROUP BY t1.a; +SELECT a, ROW(11, 12) = (SELECT a, 22), ROW(11, 12) IN (SELECT a, 22) FROM t1; +SELECT a, ROW(11, 12) = (SELECT a, 12), ROW(11, 12) IN (SELECT a, 12) FROM t1; + +# The x alias is used below to workaround bug #40674. +# Regression tests for sum function on outer column in subselect from dual: +SELECT a AS x, ROW(11, 12) = (SELECT MAX(x), 22), ROW(11, 12) IN (SELECT MAX(x), 22) FROM t1; +--echo # 2nd and 3rd columns should be same for x == 11 only +SELECT a AS x, ROW(11, 12) = (SELECT MAX(x), 12), ROW(11, 12) IN (SELECT MAX(x), 12) FROM t1; + +DROP TABLE t1; + +--echo # both columns should be same +SELECT ROW(1,2) = (SELECT NULL, NULL), ROW(1,2) IN (SELECT NULL, NULL); +SELECT ROW(1,2) = (SELECT 1, NULL), ROW(1,2) IN (SELECT 1, NULL); +SELECT ROW(1,2) = (SELECT NULL, 2), ROW(1,2) IN (SELECT NULL, 2); +SELECT ROW(1,2) = (SELECT NULL, 1), ROW(1,2) IN (SELECT NULL, 1); +SELECT ROW(1,2) = (SELECT 1, 1), ROW(1,2) IN (SELECT 1, 1); +SELECT ROW(1,2) = (SELECT 1, 2), ROW(1,2) IN (SELECT 1, 2); + --echo End of 5.0 tests |