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[C++][Parquet] Parquet: support exact in Page/Row-Group level Statistics #38859

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mapleFU opened this issue Nov 23, 2023 · 0 comments
Open

[C++][Parquet] Parquet: support exact in Page/Row-Group level Statistics #38859

mapleFU opened this issue Nov 23, 2023 · 0 comments
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Component: C++ Component: Parquet Type: enhancement

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@mapleFU
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mapleFU commented Nov 23, 2023

Describe the enhancement requested

Parquet standard adds a is_{min/max}_exact in Statistics. This is only used in Page and Row-Group level. Currently, we don't support Truncate Binary and String ( see #36139 ).

We'd like to support is_{min/max}_exact:

  1. During writing, currently always mark statistics as exact
  2. During reading, check this variable

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C++, Parquet
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Component: C++ Component: Parquet Type: enhancement
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@mapleFU