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feat(query): support row fetch for merge into #15859
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Dousir9
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databendlabs:main
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Dousir9:support_row_fetch_for_merge_into
Jun 24, 2024
Merged
feat(query): support row fetch for merge into #15859
Dousir9
merged 25 commits into
databendlabs:main
from
Dousir9:support_row_fetch_for_merge_into
Jun 24, 2024
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this PR introduces a new feature to the codebase
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dantengsky
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Freejww
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xudong963
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Labels
ci-cloud
Build docker image for cloud test
pr-feature
this PR introduces a new feature to the codebase
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Summary
MergeIntoSplit
andMergeIntoManipulate
to better build pipeline.ParquetRowsFetcher
.We use the
enable_merge_into_row_fetch
setting to control whether row fetch is enabled, and we will adjust it adaptively later.Performance Test (Databend Cloud Small)
1. TPC-H SF100
Query Duration: 22.6s → 7.1s
Byte Scanned: 107 GB → 8 GB
2. Table with 50 columns
Byte Scanned: 186 GB → 7 GB
Tests
Type of change
This change is