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Add support for Bloom filters on unsigned integer columns in Parquet tables #9770

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merged 8 commits into from
Apr 2, 2024
Merged

Add support for Bloom filters on unsigned integer columns in Parquet tables #9770

merged 8 commits into from
Apr 2, 2024

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progval
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@progval progval commented Mar 24, 2024 •
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Which issue does this PR close?

Closes #9769.

Rationale for this change

What changes are included in this PR?

Also fixed prune_int $bits _scalar_fun_and_eq (on signed integers) to run the query it should have been running.

Are these changes tested?

They are not, but the code is straightforward so I don't think tests would be useful.

Are there any user-facing changes?

It should be invisible other than a performance improvement.

@github-actions github-actions bot added the core Core DataFusion crate label Mar 24, 2024
@alamb alamb mentioned this pull request Mar 24, 2024
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alamb
alamb reviewed Mar 24, 2024
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Thank you very much @progval 🙏

Can we please add tests for this code (so that we don't accidentally break it in some future refactoring?)

@alamb alamb mentioned this pull request Mar 25, 2024
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alamb commented Mar 30, 2024

Thank you very much @progval 🙏

Can we please add tests for this code (so that we don't accidentally break it in some future refactoring?)

Hi @progval -- do you think you will have time to add some tests briefly

I noticed that #9778 only adds tests for the signed (Int8/Int16/etc variants). I'll go get that PR ready to merge per our discussion as maybe you wrote it to add tests for this one 🤔

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progval commented Mar 30, 2024

as maybe you wrote it to add tests for this one 🤔

yes that's what I had in mind

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alamb commented Mar 31, 2024

Ok, #9778 has now been merged. Sorry for the delay

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progval commented Mar 31, 2024 •
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Tests added. There is some code in common with #9888 (to build the test data) but they shouldn't merge-conflict

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progval commented Mar 31, 2024 •
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but they shouldn't merge-conflict

They did, but I just fixed it.

@alamb alamb mentioned this pull request Apr 1, 2024
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Thank you @progval -- this looks great to me

The test failures appear to be due to #9891

I took the liberty of merging up to main to get the CI to pass

alamb
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datafusion/core/tests/parquet/row_group_pruning.rs
@@ -452,6 +452,144 @@ int_tests!(16, correct_bloom_filters: false);
int_tests!(32, correct_bloom_filters: true);
int_tests!(64, correct_bloom_filters: true);

// $bits: number of bits of the integer to test (8, 16, 32, 64)
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I didn't realize UInt8 and UInt16 were also affected. 💯 for testing

@alamb alamb mentioned this pull request Apr 1, 2024
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@comphead comphead merged commit e9c5dc9 into apache:main Apr 2, 2024
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@alamb alamb mentioned this pull request Apr 2, 2024
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@progval progval mentioned this pull request Apr 18, 2024
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Add support for Bloom filters on unsigned integer columns in Parquet tables
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