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Left/full outer join incorrect for CollectLeft / broadcast #1055

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Dandandan opened this issue Sep 15, 2024 · 0 comments

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bug

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Dandandan commented Sep 15, 2024 •

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Describe the bug
See discussion here apache/datafusion#12454

The "broadcast join" (CollectLeft) is wrong for certain join types which produce results on unmatched left rows.

To Reproduce
Run a broadcast join with left / full outer on more than one node

Expected behavior

Additional context

Dandandan added the bug label

Dandandan changed the title ~~Left/full outer join incorrect~~ Left/full outer join incorrect for CollectLeft / broadcast

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