viirya commented on code in PR #9080:
URL: https://github.com/apache/arrow-datafusion/pull/9080#discussion_r1474736327
##########
datafusion/physical-plan/src/joins/sort_merge_join.rs:
##########
@@ -1067,18 +1096,40 @@ impl SMJStream {
.collect::<Result<Vec<_>, ArrowError>>()
.map_err(Into::<DataFusionError>::into)?;
+ // Create null streamed (left) columns
let mut streamed_columns = self
.streamed_schema
.fields()
.iter()
.map(|f| new_null_array(f.data_type(), buffered_indices.len()))
.collect::<Vec<_>>();
+ let filter_columns =
Review Comment:
It is because `buffered_columns` is consumed by
`streamed_columns.extend(buffered_columns);`. So either I clone
`buffered_columns` before it, or put `get_filter_column ` before it like I
current do.
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