Ted-Jiang commented on code in PR #3859:
URL: https://github.com/apache/arrow-datafusion/pull/3859#discussion_r997122946
##########
datafusion/optimizer/src/filter_push_down.rs:
##########
@@ -952,6 +953,30 @@ mod tests {
Ok(())
}
+ #[test]
+ fn filter_keep_partial_agg() -> Result<()> {
+ let table_scan = test_table_scan()?;
+ let f1 = col("c").eq(lit(1i64)).and(col("b").gt(lit(2i64)));
+ let f2 = col("c").eq(lit(1i64)).and(col("b").gt(lit(3i64)));
+ let filter = f1.or(f2);
+ let plan = LogicalPlanBuilder::from(table_scan)
+ .aggregate(vec![col("a")], vec![sum(col("b")).alias("b")])?
+ .filter(filter)?
+ .build()?;
+ // filter of aggregate is after aggregation since they are
non-commutative
+ // (c =1 AND b > 2) OR (c = 1 AND b > 3)
+ // rewrite to CNF
+ // (c = 1 OR c = 1) [can pushDown] AND (c = 1 OR b > 3) AND (b > 2 OR
C = 1) AND (b > 2 OR b > 3)
+
+ let expected = "\
Review Comment:
It used to get not pushed:
```
Filter: test.c = Int64(1) AND b > Int64(2) OR test.c = Int64(1) AND b >
Int64(3)
Aggregate: groupBy=[[test.a]], aggr=[[SUM(test.b) AS b]]
TableScan: test
```
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