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https://issues.apache.org/jira/browse/SPARK-35808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17365816#comment-17365816
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Takuya Ueshin commented on SPARK-35808:
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I think we shouldn't do this.
The reason we introduced the argument is
https://github.com/databricks/koalas/pull/1695#discussion_r464190255 and it's
totally reasonable; otherwise, we will almost always see some overhead.
> Always enable the `pandas_metadata` in DataFrame.parquet
> --------------------------------------------------------
>
> Key: SPARK-35808
> URL: https://issues.apache.org/jira/browse/SPARK-35808
> Project: Spark
> Issue Type: Sub-task
> Components: PySpark
> Affects Versions: 3.2.0
> Reporter: Haejoon Lee
> Priority: Major
>
> We have a argument named `pandas_metadata` in
> [ps.read_parquet|https://koalas.readthedocs.io/en/latest/reference/api/databricks.koalas.read_parquet.html],
> but seems we can just always enable so that it always respect the pandas
> metadata when reading the Parquet file written by pandas.
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