irenjj commented on code in PR #16611:
URL: https://github.com/apache/datafusion/pull/16611#discussion_r2173675299
##########
datafusion/optimizer/src/decorrelate_dependent_join.rs:
##########
@@ -165,30 +174,52 @@ impl DependentJoinDecorrelator {
}
}
fn new(
- correlated_columns: &Vec<(usize, Column, DataType)>,
- parent_correlated_columns: &IndexMap<usize, Vec<CorrelatedColumnInfo>>,
+ node: &DependentJoin,
+ // correlated_columns: &Vec<(usize, Column, DataType)>,
+ parent_correlated_columns: &mut IndexMap<usize,
Vec<CorrelatedColumnInfo>>,
Review Comment:
We can push depth info into CorrelatedColumnInfo, for
decrrelate_dependent_join, what it really cares about is OuterRefColumn depth
and lateral join.
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