diff --git a/dialect/sql/schema/schema.go b/dialect/sql/schema/schema.go
index a423af05d..2027943b9 100644
--- a/dialect/sql/schema/schema.go
+++ b/dialect/sql/schema/schema.go
@@ -693,7 +693,7 @@ func parseVersion(v string) (*version, bool) {
 		if i == len(parts) {
 			break
 		}
-		if *e, err = strconv.Atoi(parts[i]); err != nil {
+		if *e, err = strconv.Atoi(strings.Split(parts[i], "-")[0]); err != nil {
 			return nil, false
 		}
 	}
diff --git a/dialect/sql/schema/schema_test.go b/dialect/sql/schema/schema_test.go
index 2d77a932d..9496fac10 100644
--- a/dialect/sql/schema/schema_test.go
+++ b/dialect/sql/schema/schema_test.go
@@ -93,3 +93,20 @@ func TestColumn_ScanDefault(t *testing.T) {
 	require.Equal(t, false, c1.Default)
 	require.Error(t, c1.ScanDefault("foo"))
 }
+
+func TestColumn_MySQLType(t *testing.T) {
+	c1 := &Column{Type: field.TypeString, Unique: true}
+	require.Equal(t, "varchar(191)", c1.MySQLType("5.5"))
+	require.Equal(t, "varchar(191)", c1.MySQLType("5.6.1"))
+	require.Equal(t, "varchar(191)", c1.MySQLType("5.6.8"))
+	require.Equal(t, "varchar(255)", c1.MySQLType("5.7"))
+	require.Equal(t, "varchar(255)", c1.MySQLType("5.7.0"))
+	require.Equal(t, "varchar(255)", c1.MySQLType("5.7.26-log"))
+	require.Equal(t, "varchar(255)", c1.MySQLType("8-log"))
+
+	c1 = &Column{Type: field.TypeJSON}
+	require.Equal(t, "json", c1.MySQLType("5.7.8"))
+	require.Equal(t, "json", c1.MySQLType("5.7.8-log"))
+	require.Equal(t, "longblob", c1.MySQLType("5.5"))
+	require.Equal(t, "longblob", c1.MySQLType("5.7"))
+}