Adding tests for MDEV-9408 CREATE TABLE SELECT MAX(int_column) creates...

Adding tests for MDEV-9408 CREATE TABLE SELECT MAX(int_column) creates different columns for table vs view

Recent fixes in Type_handler fixed this problem. Adding tests only.

mysql-test/r/func_group.result

@@ -2447,3 +2447,36 @@ DROP TABLE t1;
 #
 # End of 10.1 tests
 #
+#
+# Start of 10.3 tests
+#
+#
+# MDEV-9408 CREATE TABLE SELECT MAX(int_column) creates different columns for table vs view
+#
+CREATE TABLE t1 (
+id int(11) NOT NULL PRIMARY KEY,
+country varchar(32),
+code int(11) default NULL
+);
+INSERT INTO t1 VALUES (1,'ITALY',100),(2,'ITALY',200),(3,'FRANCE',100), (4,'ITALY',100);
+CREATE VIEW v1 AS SELECT * FROM t1;
+CREATE TABLE t2 AS SELECT code, COUNT(DISTINCT country), MAX(id) FROM t1 GROUP BY code ORDER BY MAX(id);
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `code` int(11) DEFAULT NULL,
+  `COUNT(DISTINCT country)` bigint(21) NOT NULL,
+  `MAX(id)` int(11)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+CREATE TABLE t2 AS SELECT code, COUNT(DISTINCT country), MAX(id) FROM v1 GROUP BY code ORDER BY MAX(id);
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `code` int(11) DEFAULT NULL,
+  `COUNT(DISTINCT country)` bigint(21) NOT NULL,
+  `MAX(id)` int(11) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t2;
+DROP VIEW v1;
+DROP TABLE t1;

mysql-test/t/func_group.test

@@ -1691,3 +1691,30 @@ DROP TABLE t1;
 --echo #
 --echo # End of 10.1 tests
 --echo #
+
+--echo #
+--echo # Start of 10.3 tests
+--echo #
+
+--echo #
+--echo # MDEV-9408 CREATE TABLE SELECT MAX(int_column) creates different columns for table vs view
+--echo #
+
+CREATE TABLE t1 (
+  id int(11) NOT NULL PRIMARY KEY,
+  country varchar(32),
+  code int(11) default NULL
+);
+INSERT INTO t1 VALUES (1,'ITALY',100),(2,'ITALY',200),(3,'FRANCE',100), (4,'ITALY',100);
+CREATE VIEW v1 AS SELECT * FROM t1;
+
+CREATE TABLE t2 AS SELECT code, COUNT(DISTINCT country), MAX(id) FROM t1 GROUP BY code ORDER BY MAX(id);
+SHOW CREATE TABLE t2;
+DROP TABLE t2;
+
+CREATE TABLE t2 AS SELECT code, COUNT(DISTINCT country), MAX(id) FROM v1 GROUP BY code ORDER BY MAX(id);
+SHOW CREATE TABLE t2;
+DROP TABLE t2;
+
+DROP VIEW v1;
+DROP TABLE t1;