Skip to content

[fix](parquet) parquet reader confuses logical/physical/slot id of columns #23198

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom
Merged
morningman merged 1 commit into from
Aug 22, 2023
Merged

[fix](parquet) parquet reader confuses logical/physical/slot id of columns #23198

morningman merged 1 commit into from
Aug 22, 2023

Conversation

@AshinGau
Copy link
Member

@AshinGau AshinGau commented Aug 18, 2023 •
edited
Loading

Proposed changes

ParquetReader confuses logical/physical/slot id of columns. If only reading the scalar types, there's nothing wrong, but when reading complex types, RowGroup and PageIndex will get wrong statistics. Therefore, if the query contains complex types and pushed-down predicates, the probability of the result set is incorrect.

Further comments

If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...

@github-actions
Copy link
Contributor

github-actions bot commented Aug 18, 2023

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

@AshinGau
Copy link
Member Author

AshinGau commented Aug 18, 2023

run buildall

@github-actions
Copy link
Contributor

github-actions bot commented Aug 18, 2023

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

@hello-stephen
Copy link
Contributor

hello-stephen commented Aug 18, 2023

(From new machine)TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 45.54 seconds
stream load tsv: 542 seconds loaded 74807831229 Bytes, about 131 MB/s
stream load json: 21 seconds loaded 2358488459 Bytes, about 107 MB/s
stream load orc: 66 seconds loaded 1101869774 Bytes, about 15 MB/s
stream load parquet: 31 seconds loaded 861443392 Bytes, about 26 MB/s
insert into select: 29.7 seconds inserted 10000000 Rows, about 336K ops/s
storage size: 17162345150 Bytes

morningman
morningman reviewed Aug 20, 2023
View reviewed changes
Copy link
Contributor

@morningman morningman left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

BE ut failed

@AshinGau
Copy link
Member Author

AshinGau commented Aug 21, 2023

run buildall

@github-actions
Copy link
Contributor

github-actions bot commented Aug 21, 2023

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

@hello-stephen
Copy link
Contributor

hello-stephen commented Aug 21, 2023

(From new machine)TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 46.06 seconds
stream load tsv: 557 seconds loaded 74807831229 Bytes, about 128 MB/s
stream load json: 20 seconds loaded 2358488459 Bytes, about 112 MB/s
stream load orc: 65 seconds loaded 1101869774 Bytes, about 16 MB/s
stream load parquet: 31 seconds loaded 861443392 Bytes, about 26 MB/s
insert into select: 29.1 seconds inserted 10000000 Rows, about 343K ops/s
storage size: 17162183572 Bytes

kaka11chen
kaka11chen approved these changes Aug 21, 2023
View reviewed changes
Copy link
Contributor

@kaka11chen kaka11chen left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

LGTM

@github-actions
Copy link
Contributor

github-actions bot commented Aug 21, 2023

PR approved by anyone and no changes requested.

morningman
morningman approved these changes Aug 21, 2023
View reviewed changes
Copy link
Contributor

@morningman morningman left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

LGTM

@github-actions github-actions bot added the approved Indicates a PR has been approved by one committer. label Aug 21, 2023
@github-actions
Copy link
Contributor

github-actions bot commented Aug 21, 2023

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

@morningman morningman merged commit 5ff7b57 into apache:master Aug 22, 2023
xiaokang pushed a commit that referenced this pull request Aug 22, 2023
@AshinGau @xiaokang
[fix](parquet) parquet reader confuses logical/physical/slot id of co…
4733597 
…lumns (#23198)

`ParquetReader` confuses logical/physical/slot id of columns. If only reading the scalar types, there's nothing wrong, but when reading complex types, `RowGroup` and `PageIndex` will get wrong statistics. Therefore, if the query contains complex types and pushed-down predicates, the probability of the result set is incorrect.
@xiaokang xiaokang mentioned this pull request Aug 30, 2023
Closed
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

@kaka11chen kaka11chen kaka11chen approved these changes

@morningman morningman morningman approved these changes

Assignees

No one assigned

Labels

approved Indicates a PR has been approved by one committer. dev/2.0.1-merged p0_w reviewed

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

5 participants

@AshinGau @hello-stephen @kaka11chen @morningman @xiaokang