[jira] [Commented] (ARROW-13240) [C++][Parquet] Page statistics not written in v2?

["Micah Kornfield (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-13240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17396431#comment-17396431 ] 

Micah Kornfield commented on ARROW-13240:
-----------------------------------------

I think [~westonpace] fixed this while fixing statistics for dictionaries.

> [C++][Parquet] Page statistics not written in v2?
> -------------------------------------------------
>
>                 Key: ARROW-13240
>                 URL: https://issues.apache.org/jira/browse/ARROW-13240
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>            Reporter: Jorge Leitão
>            Priority: Minor
>
> While working in integration tests of parquet2 against pyarrow, I noticed that page statistics are only written by pyarrow when using version 1.
> I do not have an easy way to reproduce this within pyarrow as I am not sure how to access individual pages from a column chunk, but it is something that I observe when trying to integrate.
> The row group stats are still written, this only affects page statistics.
> pyarrow call:
> ```
> pa.parquet.write_table(
>         t,
>         path,
>         version="2.0",
>         data_page_version="2.0",
>         write_statistics=True,
>     )
> ```
> changing version to "1.0" does not impact this behavior, suggesting that the specific option causing this behavior is the data_page_version="2.0".



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