1 files changed, 104 insertions, 0 deletions
diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test
index d1d4b936aba..6029ad471f6 100644
--- a/mysql-test/t/view.test
+++ b/mysql-test/t/view.test
@@ -4700,6 +4700,47 @@ DROP DATABASE IF EXISTS nodb;
 --error ER_BAD_DB_ERROR
 CREATE VIEW nodb.a AS SELECT 1;
 
+
+--echo #
+--echo # BUG#14117018 - MYSQL SERVER CREATES INVALID VIEW DEFINITION
+--echo # BUG#18405221 - SHOW CREATE VIEW OUTPUT INCORRECT
+--echo #
+
+CREATE VIEW v1 AS (SELECT '' FROM DUAL);
+CREATE VIEW v2 AS (SELECT 'BUG#14117018' AS col1 FROM DUAL) UNION ALL
+                  (SELECT '' FROM DUAL);
+CREATE VIEW v3 AS (SELECT 'BUG#14117018' AS col1 FROM DUAL) UNION ALL
+                  (SELECT '' FROM DUAL) UNION ALL
+                  (SELECT '' FROM DUAL);
+CREATE VIEW v4 AS (SELECT 'BUG#14117018' AS col1 FROM DUAL) UNION ALL
+                  (SELECT '' AS col2 FROM DUAL) UNION ALL
+                  (SELECT '' FROM DUAL);
+
+# In the second (and later) UNIONed queries, duplicate column names are allowed
+CREATE VIEW v5 AS (SELECT 'buggy' AS col1, 'fix' as col2 FROM DUAL) UNION ALL
+                  (SELECT 'buggy' as a, 'fix' as a FROM DUAL);
+
+--echo # Name for the column in select1 is set properly with or
+--echo # without this fix.
+SHOW CREATE VIEW v1;
+
+--echo # Name for the column in select2 is set with this fix.
+--echo # Without this fix, name would not have set for the
+--echo # columns in select2.
+SHOW CREATE VIEW v2;
+
+--echo # Name for the field item in select2 & select3 is set with this fix.
+--echo # Without this fix, name would not have set for the
+--echo # columns in select2 & select3.
+SHOW CREATE VIEW v3;
+
+--echo # Name for the field item in select3 is set with this fix.
+--echo # Without this fix, name would not have set for the
+--echo # columns in select3.
+SHOW CREATE VIEW v4;
+
+DROP VIEW v1, v2, v3, v4, v5;
+
 # Check that all connections opened by test cases in this file are really
 # gone so execution of other tests won't be affected by their presence.
 --source include/wait_until_count_sessions.inc
@@ -5231,6 +5272,69 @@ drop view v1;
 drop table t1,t2,t3;
 SET optimizer_switch=@save_optimizer_switch_MDEV_3874;
 
+#
+# MDEV-5515: sub-bug test of 3rd execution crash
+#
+
+CREATE TABLE `t1` (
+  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
+  `f0` int(11) unsigned NOT NULL DEFAULT '0',
+  `f1` int(11) unsigned NOT NULL DEFAULT '0',
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `id` (`id`)
+);
+
+CREATE TABLE `t2` (
+  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
+  `f02` bigint(20) unsigned NOT NULL DEFAULT '0',
+  `f03` int(11) unsigned NOT NULL DEFAULT '0',
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `id` (`id`)
+);
+
+CREATE ALGORITHM=UNDEFINED SQL SECURITY DEFINER VIEW `v1` AS 
+  SELECT 
+    `t1`.`f0` AS `f0`,
+    `t1`.`f1` AS `f1`,
+    `t2`.`f02` AS `f02`,
+    `t2`.`f03` AS `f03` 
+  FROM 
+    (`t1` LEFT JOIN `t2` ON((`t1`.`id` = `t2`.`f02`)));
+
+--delimiter |
+CREATE FUNCTION `f1`(
+        p0 BIGINT(20) UNSIGNED
+    )
+    RETURNS bigint(20) unsigned
+    DETERMINISTIC
+    CONTAINS SQL
+    SQL SECURITY DEFINER
+    COMMENT ''
+BEGIN
+
+DECLARE k0 INTEGER UNSIGNED DEFAULT 0;
+DECLARE lResult INTEGER UNSIGNED DEFAULT 0;
+
+ SET k0 = 0;
+ WHILE k0 < 1 DO
+    SELECT COUNT(*) as `f00` INTO lResult  FROM `v1` WHERE `v1`.`f0` = p0; -- BUG
+   SET k0 = k0 + 1;
+ END WHILE;
+
+  RETURN(k0);
+END|
+--delimiter ;
+
+
+SELECT `f1`(1);
+SELECT `f1`(1);
+SELECT `f1`(1);
+SELECT `f1`(1);
+
+DROP FUNCTION f1;
+DROP VIEW v1;
+DROP TABLE t1, t2;
+
 --echo # -----------------------------------------------------------------
 --echo # -- End of 5.5 tests.
 --echo # -----------------------------------------------------------------