adriangb commented on code in PR #17452:
URL: https://github.com/apache/datafusion/pull/17452#discussion_r2330130677
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datafusion/core/tests/physical_optimizer/filter_pushdown/mod.rs:
##########
@@ -1355,7 +1362,7 @@ async fn test_nested_hashjoin_dynamic_filter_pushdown() {
- DataSourceExec: file_groups={1 group: [[test.parquet]]},
projection=[a, x], file_type=test, pushdown_supported=true
- HashJoinExec: mode=Partitioned, join_type=Inner, on=[(c@1, d@0)]
- DataSourceExec: file_groups={1 group: [[test.parquet]]},
projection=[b, c, y], file_type=test, pushdown_supported=true,
predicate=DynamicFilterPhysicalExpr [ b@0 >= aa AND b@0 <= ab ]
- - DataSourceExec: file_groups={1 group: [[test.parquet]]},
projection=[d, z], file_type=test, pushdown_supported=true,
predicate=DynamicFilterPhysicalExpr [ d@0 >= ca AND d@0 <= ce ]
Review Comment:
Hmm the filter is more selective (generally a good thing) but I'm curious
why it changed, it's not immediately coming to me why waiting would change the
value of the filter. Could you help me understand why that is?
##########
datafusion/core/tests/physical_optimizer/filter_pushdown/util.rs:
##########
@@ -77,6 +79,12 @@ impl FileOpener for TestOpener {
let (mapper, projection) =
factory.map_schema(&batches[0].schema()).unwrap();
let mut new_batches = Vec::new();
for batch in batches {
+ let batch = if let Some(predicate) = &self.predicate {
+ batch_filter(&batch, predicate)?
Review Comment:
Nice I didn't know this little function existed!
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