diff options
| -rw-r--r-- | ydb/library/yql/core/yql_opt_window.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ydb/library/yql/core/yql_opt_window.cpp b/ydb/library/yql/core/yql_opt_window.cpp index 556d893f853..ac5908bccbd 100644 --- a/ydb/library/yql/core/yql_opt_window.cpp +++ b/ydb/library/yql/core/yql_opt_window.cpp @@ -2316,6 +2316,9 @@ void SplitFramesByType(const TExprNode::TPtr& frames, TExprNode::TPtr& rowFrames TExprNode::TPtr ProcessRowsFrames(TPositionHandle pos, const TExprNode::TPtr& input, const TStructExprType& rowType, const TExprNode::TPtr& dependsOn, const TExprNode::TPtr& frames, TExprContext& ctx) { + if (frames->ChildrenSize() == 0) { + return input; + } TExprNode::TPtr processed = input; TExprNode::TPtr dataQueue; TQueueParams queueParams; |