Dandandan commented on code in PR #2218:
URL: https://github.com/apache/arrow-datafusion/pull/2218#discussion_r848831844
##########
datafusion/physical-expr/src/physical_expr.rs:
##########
@@ -49,17 +49,15 @@ pub trait PhysicalExpr: Send + Sync + Display + Debug {
batch: &RecordBatch,
selection: &BooleanArray,
) -> Result<ColumnarValue> {
- let filter_count = selection
- .values()
- .count_set_bits_offset(selection.offset(), selection.len());
-
- if selection.null_count() == 0 && filter_count == selection.len() {
- return self.evaluate(batch);
- }
-
let tmp_batch = filter_record_batch(batch, &selection)?;
let tmp_result = self.evaluate(&tmp_batch)?;
+ // All values from the `selection` filter are true.
+ if batch.columns().first().map(|x| x.len())
Review Comment:
Another good suggestion :rofl:
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