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https://issues.apache.org/jira/browse/FLINK-21389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arvid Heise closed FLINK-21389.
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Fix Version/s: 1.13.2
Resolution: Resolved
> ParquetInputFormat should not need parquet schema as user input
> ---------------------------------------------------------------
>
> Key: FLINK-21389
> URL: https://issues.apache.org/jira/browse/FLINK-21389
> Project: Flink
> Issue Type: Bug
> Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
> Reporter: Etienne Chauchot
> Assignee: Etienne Chauchot
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.13.2
>
>
> _ParquetInputFormat_ takes parquet schema as user input but after split it
> reads the parquet schema again here
> [https://github.com/apache/flink/blob/52dcf439bb0b8d613fff1efecf015052d5b3a10b/flink-formats/flink-parquet/src/main/java/org/apache/flink/formats/parquet/ParquetInputFormat.java#L170]
> it should read the provided user schema.
> But better would be to read the schema automatically and not require the
> user to provide a schema as spark does
> ([https://spark.apache.org/docs/latest/sql-data-sources-parquet.html]).
> Thus we could add a _ParquetInputFormat_ constructor and allow
> _ParquetTableSource_ with no schema parameter
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