Rich-T-kid commented on code in PR #11174:
URL: https://github.com/apache/arrow-rs/pull/11174#discussion_r4325841303
##########
arrow-select/src/coalesce.rs:
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@@ -853,6 +991,23 @@ trait InProgressArray: std::fmt::Debug + Send + Sync {
}
}
+ /// Copy rows at `indices` from `source` into the in-progress array.
+ /// `indices` must already be bounds-checked against `source`.
+ fn copy_rows_by_indices(
+ &mut self,
+ source: &ArrayRef,
+ indices: &UInt32Array,
+ ) -> Result<(), ArrowError> {
+ if indices.is_empty() {
+ return Ok(());
+ }
+ let taken = take(source.as_ref(), indices, None)?;
+ self.set_source(Some(taken));
+ let result = self.copy_rows(0, indices.len());
+ self.set_source(None);
+ result
Review Comment:
yeah sounds like a good idea.
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