add test case

Signed-off-by: Shlomi Noach <[email protected]>
vitessio · May 8, 2024 · 8d77532 · 8d77532
1 parent 575d8b5
commit 8d77532
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/go/vt/schemadiff/table_test.go b/go/vt/schemadiff/table_test.go
@@ -1136,6 +1136,11 @@ func TestCreateTableDiff(t *testing.T) {
 			diff:  "alter table t modify column t1 varchar(128) not null, modify column t2 varchar(128) not null, modify column t3 tinytext, charset utf8mb4",
 			cdiff: "ALTER TABLE `t` MODIFY COLUMN `t1` varchar(128) NOT NULL, MODIFY COLUMN `t2` varchar(128) NOT NULL, MODIFY COLUMN `t3` tinytext, CHARSET utf8mb4",
 		},
+		{
+			name: "ignore identical implicit charset",
+			from: "create table t (id int primary key, v varchar(64) character set utf8mb3 collate utf8mb3_bin)",
+			to:   "create table t (id int primary key, v varchar(64) collate utf8mb3_bin)",
+		},
 		{
 			name:  "normalized unsigned attribute",
 			from:  "create table t1 (id int primary key)",