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[fix](parquet) A row of complex type may be stored across more pages #23277

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merged 1 commit into from
Aug 22, 2023

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AshinGau
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@AshinGau AshinGau commented Aug 21, 2023

Proposed changes

A row of complex type may be stored across two(or more) pages, and the parameter align_rows indicates that whether the reader should read the remaining value of the last row in previous page.

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If this is a relatively large or complex change, kick off the discussion at [email protected] by explaining why you chose the solution you did and what alternatives you considered, etc...

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run buildall

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clang-tidy review says "All clean, LGTM! 👍"

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(From new machine)TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 45.44 seconds
stream load tsv: 536 seconds loaded 74807831229 Bytes, about 133 MB/s
stream load json: 20 seconds loaded 2358488459 Bytes, about 112 MB/s
stream load orc: 66 seconds loaded 1101869774 Bytes, about 15 MB/s
stream load parquet: 30 seconds loaded 861443392 Bytes, about 27 MB/s
insert into select: 29.2 seconds inserted 10000000 Rows, about 342K ops/s
storage size: 17162081550 Bytes

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@morningman morningman left a comment

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LGTM

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PR approved by at least one committer and no changes requested.

@github-actions github-actions bot added approved Indicates a PR has been approved by one committer. reviewed labels Aug 22, 2023
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PR approved by anyone and no changes requested.

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LGTM

@morningman morningman merged commit 9d2e23b into apache:master Aug 22, 2023
xiaokang pushed a commit that referenced this pull request Aug 22, 2023
…23277)

A row of complex type may be stored across two(or more) pages, and the parameter `align_rows` indicates that whether the reader should read the remaining value of the last row in previous page.
@xiaokang xiaokang mentioned this pull request Aug 30, 2023
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5 participants