diff options
| -rw-r--r-- | mysql-test/r/subselect3.result | 54 | ||||
| -rw-r--r-- | mysql-test/t/subselect3.test | 29 | ||||
| -rw-r--r-- | sql/sql_select.cc | 5 |
3 files changed, 88 insertions, 0 deletions
diff --git a/mysql-test/r/subselect3.result b/mysql-test/r/subselect3.result index b15ec9dbe4e..e0f361a0f4f 100644 --- a/mysql-test/r/subselect3.result +++ b/mysql-test/r/subselect3.result @@ -795,6 +795,60 @@ WHERE INNR.varchar_key > 'n{' ); varchar_nokey DROP TABLE t1; +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (1), (2), (11); +# 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; +a ROW(11, 12) = (SELECT a, 22) ROW(11, 12) IN (SELECT a, 22) +1 0 0 +2 0 0 +11 0 0 +SELECT a, ROW(11, 12) = (SELECT a, 12), ROW(11, 12) IN (SELECT a, 12) FROM t1 GROUP BY t1.a; +a ROW(11, 12) = (SELECT a, 12) ROW(11, 12) IN (SELECT a, 12) +1 0 0 +2 0 0 +11 1 1 +SELECT a, ROW(11, 12) = (SELECT a, 22), ROW(11, 12) IN (SELECT a, 22) FROM t1; +a ROW(11, 12) = (SELECT a, 22) ROW(11, 12) IN (SELECT a, 22) +1 0 0 +2 0 0 +11 0 0 +SELECT a, ROW(11, 12) = (SELECT a, 12), ROW(11, 12) IN (SELECT a, 12) FROM t1; +a ROW(11, 12) = (SELECT a, 12) ROW(11, 12) IN (SELECT a, 12) +1 0 0 +2 0 0 +11 1 1 +SELECT a AS x, ROW(11, 12) = (SELECT MAX(x), 22), ROW(11, 12) IN (SELECT MAX(x), 22) FROM t1; +x ROW(11, 12) = (SELECT MAX(x), 22) ROW(11, 12) IN (SELECT MAX(x), 22) +1 0 0 +2 0 0 +11 0 0 +# 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; +x ROW(11, 12) = (SELECT MAX(x), 12) ROW(11, 12) IN (SELECT MAX(x), 12) +1 0 1 +2 0 1 +11 1 1 +DROP TABLE t1; +# both columns should be same +SELECT ROW(1,2) = (SELECT NULL, NULL), ROW(1,2) IN (SELECT NULL, NULL); +ROW(1,2) = (SELECT NULL, NULL) ROW(1,2) IN (SELECT NULL, NULL) +NULL NULL +SELECT ROW(1,2) = (SELECT 1, NULL), ROW(1,2) IN (SELECT 1, NULL); +ROW(1,2) = (SELECT 1, NULL) ROW(1,2) IN (SELECT 1, NULL) +NULL NULL +SELECT ROW(1,2) = (SELECT NULL, 2), ROW(1,2) IN (SELECT NULL, 2); +ROW(1,2) = (SELECT NULL, 2) ROW(1,2) IN (SELECT NULL, 2) +NULL NULL +SELECT ROW(1,2) = (SELECT NULL, 1), ROW(1,2) IN (SELECT NULL, 1); +ROW(1,2) = (SELECT NULL, 1) ROW(1,2) IN (SELECT NULL, 1) +0 0 +SELECT ROW(1,2) = (SELECT 1, 1), ROW(1,2) IN (SELECT 1, 1); +ROW(1,2) = (SELECT 1, 1) ROW(1,2) IN (SELECT 1, 1) +0 0 +SELECT ROW(1,2) = (SELECT 1, 2), ROW(1,2) IN (SELECT 1, 2); +ROW(1,2) = (SELECT 1, 2) ROW(1,2) IN (SELECT 1, 2) +1 1 End of 5.0 tests create table t0 (a int); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); diff --git a/mysql-test/t/subselect3.test b/mysql-test/t/subselect3.test index 7c3d5013b8d..bf461f83a20 100644 --- a/mysql-test/t/subselect3.test +++ b/mysql-test/t/subselect3.test @@ -640,6 +640,35 @@ 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 # diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 49cacbe9272..90a5c5c4c8b 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -1676,8 +1676,13 @@ JOIN::exec() We have to test for 'conds' here as the WHERE may not be constant even if we don't have any tables for prepared statements or if conds uses something like 'rand()'. + If the HAVING clause is either impossible or always true, then + JOIN::having is set to NULL by optimize_cond. + In this case JOIN::exec must check for JOIN::having_value, in the + same way it checks for JOIN::cond_value. */ if (cond_value != Item::COND_FALSE && + having_value != Item::COND_FALSE && (!conds || conds->val_int()) && (!having || having->val_int())) { |