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https://issues.apache.org/jira/browse/FLINK-38205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuepeng Pan resolved FLINK-38205.
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Fix Version/s: 2.3.0
Resolution: Done
Merged into master(2.3.0) via: c2e2b16966102d36a8dde02ef5627418a65aab79
> Discard unknown fields for Protobuf format
> ------------------------------------------
>
> Key: FLINK-38205
> URL: https://issues.apache.org/jira/browse/FLINK-38205
> Project: Flink
> Issue Type: Sub-task
> Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
> Reporter: Zhanghao Chen
> Assignee: Zhanghao Chen
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.3.0
>
>
> Currently, Flink Protobuf format does not discard unknown fields (and it does
> not even provide an option for that!). When the user PB IDL is a subset of
> the whole IDL, quite a few CPU is wasted for no means as Flink SQL will
> automatically discard all unknown fields anyway when converting to RowData.
> We should make it discard unknown fields by default.
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