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https://issues.apache.org/jira/browse/FLINK-21468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17289185#comment-17289185
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Zhenqiu Huang commented on FLINK-21468:
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Hi Etienne,
It is probably related with predicate push down in parquet table source. I may
take a look this issue.
> ParquetTableSource: where clause on integer does not work
> ---------------------------------------------------------
>
> Key: FLINK-21468
> URL: https://issues.apache.org/jira/browse/FLINK-21468
> Project: Flink
> Issue Type: Bug
> Reporter: Etienne Chauchot
> Priority: Major
>
> Even with [this|https://github.com/apache/flink/pull/14961] fix, using
> _ParquetTableSource_ with a parquet field mapped to
> _BasicTypeInfo.INT_TYPE_INFO_, a SQL where clause such as
> {code:java}
> where field = 42
> {code}
> does not work: the data for which field == 42 is not part of the output.
> I tried with a _CsvTableSource_ with the same data and the same SQL query is
> executed properly.
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