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https://issues.apache.org/jira/browse/PARQUET-2305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gang Wu resolved PARQUET-2305.
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Fix Version/s: 1.14.0
Resolution: Fixed
> Allow Parquet to Proto conversion even though Target Schema has less fields
> ---------------------------------------------------------------------------
>
> Key: PARQUET-2305
> URL: https://issues.apache.org/jira/browse/PARQUET-2305
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-protobuf
> Reporter: Sanjay Sharma
> Assignee: Sanjay Sharma
> Priority: Major
> Fix For: 1.14.0
>
>
> If Parquet has any field which has been removed from the schema and Parquet
> to Proto conversion happens, it errors out due to Unknown fields. There could
> be some scenarios that we want to still convert PARQUET into the target proto
> schema object which has lesser fields.
> If specified "ignoreUnknownFields" as an argument, this should allow the
> conversion which ignore fields it can't convert and not error out.
> Similar functionality exist in
> [https://github.com/protocolbuffers/protobuf/blob/main/java/util/src/main/java/com/google/protobuf/util/JsonFormat.java]
> with field "ignoringUnknownFields"
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