alexanderbianchi commented on code in PR #26603:
URL: https://github.com/apache/datafusion/pull/26603#discussion_r4413402716
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datafusion/substrait/src/logical_plan/consumer/rel/join_rel.rs:
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@@ -33,12 +36,20 @@ pub async fn from_join_rel(
return not_impl_err!("JoinRel with post_join_filter is not yet
supported");
}
- let left: LogicalPlanBuilder = LogicalPlanBuilder::from(
- consumer.consume_rel(join.left.as_ref().unwrap()).await?,
- );
- let right = LogicalPlanBuilder::from(
- consumer.consume_rel(join.right.as_ref().unwrap()).await?,
- );
+ let (Some(left), Some(right)) = (join.left.as_deref(),
join.right.as_deref()) else {
+ return substrait_err!("JoinRel requires left and right inputs");
+ };
+ let [left, right] = consumer
+ .consume_rel_inputs(&[left, right])
Review Comment:
Something like this
```rust
let nested =
context.with_outer_schema(outer_schema).with_lambda_parameters(parameters);
try_join_all(
inputs.iter().map(|rel| self.consume_rel(rel, context))
).await
```
That has some context where we can pass in the context explicitly removes
state front the consumer but is a broader API change.
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