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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/05/28 11:21:30 UTC
[GitHub] [arrow-rs] Ted-Jiang opened a new issue, #1761: Prepare and construct index from col metadata for skipping pages at reading
Ted-Jiang opened a new issue, #1761:
URL: https://github.com/apache/arrow-rs/issues/1761
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Read `PageLocation ` and `PageIndex` from parquet.
which
PageLocation like in https://github.com/apache/parquet-format/blame/master/src/main/thrift/parquet.thrift#L909-L924
PageIndex like https://github.com/apache/parquet-format/blame/master/src/main/thrift/parquet.thrift#L938-L959
has
`NativeIndex ` for fix length type
`ByteIndex` for un_length bytes
`FixedLenByteIndex` for fixed_length bytes
Get this info in memory then we can apply page-level filter in future.
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[GitHub] [arrow-rs] tustvold closed issue #1761: Prepare and construct index from col metadata for skipping pages at reading
Posted by GitBox <gi...@apache.org>.
tustvold closed issue #1761: Prepare and construct index from col metadata for skipping pages at reading
URL: https://github.com/apache/arrow-rs/issues/1761
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