fix: table preview

@@ -311,9 +311,6 @@ func (ptr *QuerySetService) PreviewPrepare(ctx *domain.Context, querySetId int,
 	var table *domain.Table = NewCopyTable(domain.TableType(domain.TemporaryTable), querySet.Name, domain.RangeFields(fields, domain.ChangeFieldFlag), 0).
 	var table *domain.Table = NewCopyTable(domain.TableType(domain.TemporaryTable), querySet.Name, domain.RangeFields(fields, domain.ChangeFieldFlag), 0).
 		WithContext(ctx).
 		WithContext(ctx).
 		WithPrefix(strings.ToLower(string(domain.TemporaryTable)))
 		WithPrefix(strings.ToLower(string(domain.TemporaryTable)))
-	if querySet.Type == domain.CalculateTable.ToString() {
-		table.PK = nil
-	}
 	// 循环依赖判断
 	// 循环依赖判断
 	if err = ptr.validDependentCircle(ctx, querySet, queryComponents); err != nil {
 	if err = ptr.validDependentCircle(ctx, querySet, queryComponents); err != nil {
 		return nil, err
 		return nil, err