Fix of LP bug#992380 + revise fix_fields about missing with_subselect collection

The problem is that some fix_fields do not call Item_func::fix_fields and do not collect with subselect_information.

1 files changed, 56 insertions, 0 deletions

diff --git a/mysql-test/r/ps.result b/mysql-test/r/ps.result
index b3f4ad017d3..72558324b50 100644
--- a/mysql-test/r/ps.result
+++ b/mysql-test/r/ps.result
@@ -3040,3 +3040,59 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 DEALLOCATE PREPARE stmt;
 DROP TABLE t1;
 End of 5.1 tests.
+#
+# LP bug#1001500 Crash on the second execution of the PS for
+# a query with degenerated conjunctive condition
+# (see also mysql bug#12582849)
+#
+CREATE TABLE t1 (
+pk INTEGER AUTO_INCREMENT,
+col_int_nokey INTEGER,
+col_int_key INTEGER,
+col_varchar_key VARCHAR(1),
+col_varchar_nokey VARCHAR(1),
+PRIMARY KEY (pk),
+KEY (col_int_key),
+KEY (col_varchar_key, col_int_key)
+);
+INSERT INTO t1 (
+col_int_key, col_int_nokey,
+col_varchar_key, col_varchar_nokey
+) VALUES 
+(4,    2, 'v', 'v'),
+(62, 150, 'v', 'v');
+CREATE TABLE t2 (
+pk INTEGER AUTO_INCREMENT,
+col_int_nokey INTEGER,
+col_int_key INTEGER,
+col_varchar_key VARCHAR(1),
+col_varchar_nokey VARCHAR(1),
+PRIMARY KEY (pk),
+KEY (col_int_key),
+KEY (col_varchar_key, col_int_key)
+);
+INSERT INTO t2 (
+col_int_key, col_int_nokey,
+col_varchar_key, col_varchar_nokey
+) VALUES 
+(8, NULL, 'x', 'x'),
+(7, 8,    'd', 'd');
+PREPARE stmt FROM ' 
+SELECT
+  ( SELECT MAX( SQ1_alias2 .col_int_nokey ) AS SQ1_field1
+    FROM ( t2 AS SQ1_alias1 RIGHT JOIN t1 AS SQ1_alias2
+           ON ( SQ1_alias2.col_varchar_key = SQ1_alias1.col_varchar_nokey )
+         )
+    WHERE SQ1_alias2.pk < alias1.col_int_nokey OR alias1.pk
+  ) AS field1
+FROM ( t1 AS alias1 JOIN t2 AS alias2 ON alias2.pk )
+GROUP BY field1
+';
+EXECUTE stmt;
+field1
+150
+EXECUTE stmt;
+field1
+150
+DEALLOCATE PREPARE stmt;
+DROP TABLE t1, t2;