ozankabak commented on code in PR #4989:
URL: https://github.com/apache/arrow-datafusion/pull/4989#discussion_r1081922580
##########
datafusion/physical-expr/src/window/window_frame_state.rs:
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@@ -85,6 +88,7 @@ impl<'a> WindowFrameContext<'a> {
sort_options,
length,
idx,
+ last_range,
Review Comment:
Yes, as it goes through batches, the search picks up from where it left off
before. This works for fixed-boundary RANGE frames (which is what Datafusion
supports).
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