jiangzhx commented on PR #5907: URL: https://github.com/apache/arrow-datafusion/pull/5907#issuecomment-1521714484
> > ```sql
> > LogicalCrossJoin
> > ```
>
> > Thanks @jiangzhx @mingmwang .
> > I think a easy way is rewritten by using `limit 1`
> > like this
> > ```sql
> > | LogicalProject
|
> > | +--LogicalCrossJoin
|
> > | |--LogicalProject
|
> > | | +--LogicalFilter[223]
|
> > | | +--LogicalOlapScan
|
> > | +--LogicalLimit ( limit=1, offset=0 )
|
> > | +--LogicalProject[230]
|
> > | +--LogicalFilter[229]
> > ```
>
> I will start the enhancement and improvement on the current de-correlation
rules. Before that, there is some refactoring and code clean up work need to do
first.
If there is anything that I need to do, I am happy to do it.
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