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https://issues.apache.org/jira/browse/ARROW-11029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Grove updated ARROW-11029:
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Issue Type: Improvement (was: Bug)
> [Rust] [DataFusion] Document why join order optimization does not work with
> filter pushdown
> -------------------------------------------------------------------------------------------
>
> Key: ARROW-11029
> URL: https://issues.apache.org/jira/browse/ARROW-11029
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust - DataFusion
> Reporter: Andy Grove
> Assignee: Andy Grove
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.0.0
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> When I run TPC-H query 12, I see that the join order is not optimized to put
> the smaller table on the left. I added some debug logging and see that the
> optimization sees row count of None on the left side because there is a
> filter wrapping the table scan.
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