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Reclaim from join table directly from hash join bridge #11300

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@tanjialiang tanjialiang commented Oct 18, 2024

Add ability to allow hash join bridge to be able to reclaim directly the transferred table from hash build. This is useful in the condition when build has finished and table has been transferred to bridge, but probe side was blocked by downstream operators from performing any of its initial isBlocked() calls. When this happens, probe does not have the ability to spill because it has no knowledge about the ongoing join, neither does build because the table is transferred to bridge already. So when this happens, we rely on bridge to perform the table spill.

@facebook-github-bot facebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Oct 18, 2024
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@tanjialiang tanjialiang marked this pull request as ready for review October 18, 2024 18:35
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@tanjialiang tanjialiang changed the title WIP Bridge reclaim Reclaim from join table directly from hash join bridge Oct 19, 2024
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