alamb commented on code in PR #3636:
URL: https://github.com/apache/arrow-datafusion/pull/3636#discussion_r983508734
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datafusion/optimizer/src/type_coercion.rs:
##########
@@ -119,6 +134,41 @@ impl ExprRewriter for TypeCoercionRewriter {
fn mutate(&mut self, expr: Expr) -> Result<Expr> {
match expr {
+ Expr::ScalarSubquery(Subquery { subquery }) => {
+ let mut optimizer_config = OptimizerConfig::new();
+ let new_plan =
+ optimize_internal(&self.schema, &subquery, &mut
optimizer_config)?;
+ Ok(Expr::ScalarSubquery(Subquery::new(new_plan)))
+ }
+ Expr::Exists { subquery, negated } => {
+ let mut optimizer_config = OptimizerConfig::new();
+ let new_plan = optimize_internal(
Review Comment:
I think I would need to try it myself
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