vbarua commented on code in PR #13127:
URL: https://github.com/apache/datafusion/pull/13127#discussion_r1826045355
##########
datafusion/substrait/src/logical_plan/consumer.rs:
##########
@@ -1053,15 +1077,123 @@ pub async fn from_substrait_rel(
return not_impl_err!("Unsupported exchange kind:
{exchange_kind:?}");
}
};
- Ok(LogicalPlan::Repartition(Repartition {
+ let plan = LogicalPlan::Repartition(Repartition {
input,
partitioning_scheme,
- }))
+ });
+ apply_emit_kind(exchange.common.as_ref(), plan)
}
_ => not_impl_err!("Unsupported RelType: {:?}", rel.rel_type),
}
}
+fn retrieve_emit_kind(rel_common: Option<&RelCommon>) -> EmitKind {
+ // the default EmitKind is Direct if it is not set explicitly
+ let default = EmitKind::Direct(rel_common::Direct {});
+ rel_common
+ .and_then(|rc| rc.emit_kind.as_ref())
+ .map_or(default, |ek| ek.clone())
+}
+
+fn contains_volatile_expr(proj: &Projection) -> Result<bool> {
Review Comment:
> but what if it's a fairly complicated subquery expression that's being
repeated?
I'm going to choose to leave that as a follow-up and/or punt to the
optimizer if that's okay?
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