killme2008 commented on code in PR #27160:
URL: https://github.com/apache/datafusion/pull/27160#discussion_r4509584677
##########
datafusion/physical-expr/src/expressions/case.rs:
##########
@@ -385,6 +385,24 @@ fn filter_record_batch(
}
}
+fn take_case_rows<'a>(
+ batch: &'a RecordBatch,
+ indices: &dyn Array,
+) -> std::result::Result<Cow<'a, RecordBatch>, ArrowError> {
+ // These indices are an ordered subset of the original batch's rows.
+ if indices.len() == batch.num_rows() {
+ return Ok(Cow::Borrowed(batch));
+ }
+ let columns = arrow::compute::take_arrays(batch.columns(), indices, None)?;
+ Ok(Cow::Owned(RecordBatch::try_new_with_options(
+ batch.schema(),
+ columns,
+ &RecordBatchOptions::new()
+ .with_match_field_names(false)
Review Comment:
No in-tree producer builds such batches, so I dropped the option and
switched back to `take_record_batch` in
https://github.com/apache/datafusion/pull/27160/commits/0e1e39466aef7a7e6b9e4502586ca87e69c69adc
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