Boolean parquet get datapage stat #11054
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alamb
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Jun 21, 2024
xinlifoobar
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Jun 22, 2024
* test and implement boolean data page statistics * left out a collect & forgot to change the Check to Both * Update datafusion/core/src/datasource/physical_plan/parquet/statistics.rs --------- Co-authored-by: Andrew Lamb <[email protected]>
xinlifoobar
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Jun 22, 2024
* test and implement boolean data page statistics * left out a collect & forgot to change the Check to Both * Update datafusion/core/src/datasource/physical_plan/parquet/statistics.rs --------- Co-authored-by: Andrew Lamb <[email protected]>
findepi
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Jul 16, 2024
* test and implement boolean data page statistics * left out a collect & forgot to change the Check to Both * Update datafusion/core/src/datasource/physical_plan/parquet/statistics.rs --------- Co-authored-by: Andrew Lamb <[email protected]>
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Which issue does this PR close?
Closes #11027.
Rationale for this change
What changes are included in this PR?
Implements boolean data page statistics in parquet, with tests.
Extra (maybe)
Because
BooleanArray::from_iterrequires thatiter.size_hint()returns(_, Some(upper))we have to collect the flattenedBooleanDataPageStatsIterator. But i find this weird since we pass a Sized Iterator (Vec::into_iter) intoflatten(), which would keep the upper bound. I have not gone deeper than this, but I think we don't need this extra allocation in there.Are these changes tested?
yes
Are there any user-facing changes?
no