jiangzhx opened a new issue, #5771:
URL: https://github.com/apache/arrow-datafusion/issues/5771
### Describe the bug
filter with exists subquery,TableScan node added a unexpected projection
"+--------------+-------------------------------------------------------+",
"| plan_type | plan
|",
"+--------------+-------------------------------------------------------+",
"| logical_plan | Filter: EXISTS (<subquery>)
|",
"| | Subquery:
|",
"| | Aggregate: groupBy=[[]],
aggr=[[COUNT(UInt8(1))]] |",
"| | TableScan: t2 projection=[a]
|",
"| | TableScan: t1 projection=[a, b]
|",
"+--------------+-------------------------------------------------------+",
### To Reproduce
```
#[tokio::test]
async fn test_count_wildcard_on_where_exist() -> Result<()> {
let ctx = create_join_context()?;
let df_results = ctx
.table("t1")
.await?
.filter(Expr::Exists {
subquery: Subquery {
subquery: Arc::new(
ctx.table("t2")
.await?
.aggregate(vec![], vec![count(Expr::Wildcard)])?
.select(vec![count(Expr::Wildcard)])?
.into_optimized_plan()?,
),
outer_ref_columns: vec![],
},
negated: false,
})?
.select(vec![col("a"), col("b")])?
.explain(false, false)?
.collect()
.await?;
#[rustfmt::skip]
let expected = vec![
"+--------------+-------------------------------------------------------+",
"| plan_type | plan
|",
"+--------------+-------------------------------------------------------+",
"| logical_plan | Filter: EXISTS (<subquery>)
|",
"| | Subquery:
|",
"| | Aggregate: groupBy=[[]],
aggr=[[COUNT(UInt8(1))]] |",
"| | TableScan: t2 projection=[a]
|",
"| | TableScan: t1 projection=[a, b]
|",
"+--------------+-------------------------------------------------------+",
];
assert_batches_eq!(expected, &df_results);
Ok(())
}
```
### Expected behavior
_No response_
### Additional context
_No response_
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