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[Enhancement] support histogram-based join selectivity estimation #52098
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[Enhancement] support histogram-based join selectivity estimation #52098
murphyatwork
wants to merge
9
commits into
StarRocks:main
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murphyatwork:murphy_feat_histogram_join_selectivity
+445
−8
Commits on Oct 22, 2024
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Signed-off-by: Murphy <mofei@starrocks.com>
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calculate predicate selectivity
Signed-off-by: Murphy <mofei@starrocks.com>
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use binary search to find overlapped buckets
Signed-off-by: Murphy <mofei@starrocks.com>
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Commits on Oct 24, 2024
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Commits on Oct 25, 2024
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piggyback histogram to join children
Signed-off-by: Murphy <mofei@starrocks.com>
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handle UpperRepeats of each bucket
Signed-off-by: Murphy <mofei@starrocks.com>
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