cleanup

and suppress extra logs.

Author: ffffwh

driver/mysql/base/utils.go

@@ -554,6 +554,8 @@ func GetTableColumnsSqle(sqleContext *sqle.Context, schema string,
 						newColumn.Default = []byte(v)
 					case fmt.Stringer:
 						newColumn.Default = v.String()
+					case nil:
+						newColumn.Default = nil
 					default:
 						newColumn.Default = nil
 						g.Logger.Warn("GetTableColumnsSqle: unknown type for a default value",

driver/mysql/sql/sqlutils.go

@@ -125,7 +125,6 @@ func (this *RowMap) GetBool(key string) bool {
 type Conn struct {
 	DbMutex *sync.Mutex
 	Db      *gosql.Conn
-	Fde     string
 
 	PsDeleteExecutedGtid *gosql.Stmt
 	PsInsertExecutedGtid *gosql.Stmt
@@ -136,12 +135,6 @@ func (c *Conn) SetGtidNextAutomatic(ctx context.Context) (err error) {
 	return err
 }
 
-type DB struct {
-	DbMutex *sync.Mutex
-	Db      *gosql.DB
-	Fde     string
-}
-
 func CreateDB(mysql_uri string) (*gosql.DB, error) {
 	db, err := gosql.Open("mysql", mysql_uri)
 	if err != nil {