fix db locked

@@ -486,6 +486,8 @@ func (d *dbBase) DeleteBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
 		rs = r
 		rs = r
 	}
 	}
 
 
+	defer rs.Close()
+
 	var ref interface{}
 	var ref interface{}
 
 
 	args = make([]interface{}, 0)
 	args = make([]interface{}, 0)
@@ -640,6 +642,8 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
 		refs[i] = &ref
 		refs[i] = &ref
 	}
 	}
 
 
+	defer rs.Close()
+
 	slice := ind
 	slice := ind
 
 
 	var cnt int64
 	var cnt int64
@@ -1150,6 +1154,8 @@ func (d *dbBase) ReadValues(q dbQuerier, qs *querySet, mi *modelInfo, cond *Cond
 		refs[i] = &ref
 		refs[i] = &ref
 	}
 	}
 
 
+	defer rs.Close()
+
 	var (
 	var (
 		cnt     int64
 		cnt     int64
 		columns []string
 		columns []string
@@ -1268,6 +1274,8 @@ func (d *dbBase) GetTables(db dbQuerier) (map[string]bool, error) {
 		return tables, err
 		return tables, err
 	}
 	}
 
 
+	defer rows.Close()
+
 	for rows.Next() {
 	for rows.Next() {
 		var table string
 		var table string
 		err := rows.Scan(&table)
 		err := rows.Scan(&table)
@@ -1290,6 +1298,8 @@ func (d *dbBase) GetColumns(db dbQuerier, table string) (map[string][3]string, e
 		return columns, err
 		return columns, err
 	}
 	}
 
 
+	defer rows.Close()
+
 	for rows.Next() {
 	for rows.Next() {
 		var (
 		var (
 			name string
 			name string

@@ -285,6 +285,8 @@ func (o *rawSet) QueryRow(containers ...interface{}) error {
 		return err
 		return err
 	}
 	}
 
 
+	defer rows.Close()
+
 	if rows.Next() {
 	if rows.Next() {
 		if structMode {
 		if structMode {
 			columns, err := rows.Columns()
 			columns, err := rows.Columns()
@@ -408,11 +410,12 @@ func (o *rawSet) QueryRows(containers ...interface{}) (int64, error) {
 		return 0, err
 		return 0, err
 	}
 	}
 
 
-	nInds := make([]reflect.Value, len(sInds))
+	defer rows.Close()
 
 
+	var cnt int64
+	nInds := make([]reflect.Value, len(sInds))
 	sInd := sInds[0]
 	sInd := sInds[0]
 
 
-	var cnt int64
 	for rows.Next() {
 	for rows.Next() {
 
 
 		if structMode {
 		if structMode {
@@ -538,6 +541,8 @@ func (o *rawSet) readValues(container interface{}) (int64, error) {
 		rs = r
 		rs = r
 	}
 	}
 
 
+	defer rs.Close()
+
 	var (
 	var (
 		refs []interface{}
 		refs []interface{}
 		cnt  int64
 		cnt  int64

@@ -1392,7 +1392,8 @@ func TestQueryRows(t *testing.T) {
 
 
 	var ids []int
 	var ids []int
 	var usernames []string
 	var usernames []string
-	num, err = dORM.Raw("SELECT id, user_name FROM user ORDER BY id asc").QueryRows(&ids, &usernames)
+	query = fmt.Sprintf("SELECT %sid%s, %suser_name%s FROM %suser%s ORDER BY %sid%s ASC", Q, Q, Q, Q, Q, Q, Q, Q)
+	num, err = dORM.Raw(query).QueryRows(&ids, &usernames)
 	throwFailNow(t, err)
 	throwFailNow(t, err)
 	throwFailNow(t, AssertIs(num, 3))
 	throwFailNow(t, AssertIs(num, 3))
 	throwFailNow(t, AssertIs(len(ids), 3))
 	throwFailNow(t, AssertIs(len(ids), 3))