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https://issues.apache.org/jira/browse/BEAM-11861?focusedWorklogId=558279&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-558279
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ASF GitHub Bot logged work on BEAM-11861:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 25/Feb/21 23:10
Start Date: 25/Feb/21 23:10
Worklog Time Spent: 10m
Work Description: TheNeuralBit commented on pull request #14078:
URL: https://github.com/apache/beam/pull/14078#issuecomment-786293576
D'oh sorry, I see you mentioned in a separate message that you couldn't find
a good test case for this. Maybe Tao can share a failing test case, I'll ask on
the user@ thread.
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Issue Time Tracking
-------------------
Worklog Id: (was: 558279)
Time Spent: 0.5h (was: 20m)
> ParquetIO throws Coder not found when using parseGenericRecord or
> parseFilesGenericRecord
> -----------------------------------------------------------------------------------------
>
> Key: BEAM-11861
> URL: https://issues.apache.org/jira/browse/BEAM-11861
> Project: Beam
> Issue Type: Bug
> Components: io-java-parquet
> Affects Versions: 2.28.0
> Reporter: Anant Damle
> Assignee: Anant Damle
> Priority: P2
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> ParquetIO is missing output coder when using a user-specified parsing
> function with `parseGenericRecord` or `parseFilesGenericRecord` feature for
> reading Parquet files with unknown schema.
> *Workaround:*
> Use `setCoder` directly on the output `PCollection`
> for example:
> {{SerializableFunction<GenericRecord, Foo> parseFn = ...;}}
> {{Coder<Foo> fooCoder = ...;}}
> {{PCollection<Foo> records =
> }}{{p}}{{.apply(ParquetIO.parseGenericRecords(parseFn).from(...))}}
> {{*.setCoder(fooCoder)*;}}
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