cherry pick #23688 to release-5.0

Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
pingcap · Mar 31, 2021 · 8749407 · 8749407
1 parent d114bb4
commit 8749407
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Showing 5 changed files with 105 additions and 127 deletions.
diff --git a/ddl/column_test.go b/ddl/column_test.go
@@ -1171,8 +1171,6 @@ func (s *testColumnSuite) TestModifyColumn(c *C) {
 	}{
 		{"int", "bigint", nil},
 		{"int", "int unsigned", errUnsupportedModifyColumn.GenWithStackByArgs("can't change unsigned integer to signed or vice versa, and tidb_enable_change_column_type is false")},
-		{"varchar(10)", "text", nil},
-		{"varbinary(10)", "blob", nil},
 		{"text", "blob", errUnsupportedModifyCharset.GenWithStackByArgs("charset from utf8mb4 to binary")},
 		{"varchar(10)", "varchar(8)", errUnsupportedModifyColumn.GenWithStackByArgs("length 8 is less than origin 10, and tidb_enable_change_column_type is false")},
 		{"varchar(10)", "varchar(11)", nil},