haohuaijin commented on issue #7766:
URL:
https://github.com/apache/arrow-datafusion/issues/7766#issuecomment-1757128086
Hi @alamb ,
> ```rust
> impl LogicalPlanBuilder {
>
> pub fn join_on(
> self,
> right: DataFrame,
> join_type: JoinType,
> on_exprs: impl IntoIterator<Item = Expr>
> ) -> Result<DataFrame> {
> ...
> }
> ```
Shouldn't the return type of `LogicalPlanBuilder::join_on` be `Result<Self>`?
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