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https://issues.apache.org/jira/browse/BEAM-12134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17549248#comment-17549248
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Danny McCormick commented on BEAM-12134:
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This issue has been migrated to https://github.com/apache/beam/issues/20855

> Add Table statistics / Row estimation for ParquetTable
> ------------------------------------------------------
>
>                 Key: BEAM-12134
>                 URL: https://issues.apache.org/jira/browse/BEAM-12134
>             Project: Beam
>          Issue Type: Improvement
>          Components: dsl-sql, io-java-parquet
>            Reporter: Ismaël Mejía
>            Priority: P3
>
> Table statistics and Row estimation are used by the SQL implementation to 
> optimize joins so this information may help improve BeamSQL performance on 
> Parquet datasets.



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