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PartialMergeJoin optimisation (skip not intersected blocks) #7070

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merged 3 commits into from
Sep 24, 2019

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@4ertus2 4ertus2 commented Sep 23, 2019

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  • Improvement

Short description (up to few sentences):
Optimisation for partial merge join

Detailed description (optional):
Allow to skip unneeded right blocks instead of pass throug them.

@4ertus2 4ertus2 changed the title [wip] PartialMergeJoin optimisation (skip not intersected blocks) PartialMergeJoin optimisation (skip not intersected blocks) Sep 24, 2019
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4ertus2 commented Sep 24, 2019

0467229 is bugfix. It should be merged into 19.15. It's better to backport all this PR.

@alexey-milovidov alexey-milovidov merged commit 64e889d into ClickHouse:master Sep 24, 2019
alexey-milovidov added a commit that referenced this pull request Sep 24, 2019
PartialMergeJoin optimisation (skip not intersected blocks)
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optimisation -> optimization

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