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Diffstat (limited to 'mysql-test/t/explain.test')
| -rw-r--r-- | mysql-test/t/explain.test | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/mysql-test/t/explain.test b/mysql-test/t/explain.test index 3318b3453c8..186a00af16a 100644 --- a/mysql-test/t/explain.test +++ b/mysql-test/t/explain.test @@ -158,7 +158,10 @@ SELECT @@session.sql_mode INTO @old_sql_mode; SET SESSION sql_mode='ONLY_FULL_GROUP_BY'; # EXPLAIN EXTENDED (with subselect). used to crash. should give NOTICE. ---error ER_MIX_OF_GROUP_FUNC_AND_FIELDS +# Before moving max/min optimization to optimize phase this statement +# generated error, but as far as original query do not contain aggregate +# function user should not see error +# --error ER_MIX_OF_GROUP_FUNC_AND_FIELDS EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE f1 > ALL( SELECT t.f1 FROM t1,t1 AS t ); SHOW WARNINGS; @@ -265,3 +268,19 @@ DEALLOCATE PREPARE stmt; DROP TABLE t1; --echo End of 5.1 tests. + +--echo # +--echo # Bug#776295: EXPLAIN EXTENDED with always false multiple equality +--echo # in the WHERE condition of a derived table +--echo # + +CREATE TABLE t1 (a int) ; + +CREATE TABLE t2 (a int) ; +INSERT INTO t2 VALUES (8); + +EXPLAIN EXTENDED +SELECT * FROM ( SELECT t1.a FROM t1,t2 WHERE t2.a = t1.a ) AS t; + +DROP TABLE t1,t2; + |