zhengruifeng commented on code in PR #39149:
URL: https://github.com/apache/spark/pull/39149#discussion_r1055007935
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connector/connect/common/src/main/protobuf/spark/connect/expressions.proto:
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@@ -39,6 +39,63 @@ message Expression {
UnresolvedRegex unresolved_regex = 8;
SortOrder sort_order = 9;
LambdaFunction lambda_function = 10;
+ Window window = 11;
+ }
+
+
+ // Expression for the OVER clause or WINDOW clause.
+ message Window {
+
+ // (Required) The window function.
+ Expression window_function = 1;
+
+ // (Optional) The way that input rows are partitioned.
+ repeated Expression partition_spec = 2;
+
+ // (Optional) Ordering of rows in a partition.
+ repeated SortOrder order_spec = 3;
+
+ // (Optional) Window frame in a partition.
+ //
+ // If not set, it will be treated as 'UnspecifiedFrame'.
+ WindowFrame frame_spec = 4;
+
+ // The window frame
+ message WindowFrame {
+
+ // (Required) The type of the frame.
+ FrameType frame_type = 1;
+
+ // (Required) The lower bound of the frame.
+ FrameBoundary lower = 2;
+
+ // (Required) The upper bound of the frame.
+ FrameBoundary upper = 3;
+
+ enum FrameType {
+ // RowFrame treats rows in a partition individually.
+ ROW_FRAME = 0;
+
+ // RangeFrame treats rows in a partition as groups of peers.
+ // All rows having the same 'ORDER BY' ordering are considered as
peers.
+ RANGE_FRAME = 1;
+ }
Review Comment:
will update, thanks
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