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https://issues.apache.org/jira/browse/BEAM-960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17145618#comment-17145618
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Beam JIRA Bot commented on BEAM-960:
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This issue was marked "stale-P2" and has not received a public comment in 14
days. It is now automatically moved to P3. If you are still affected by it, you
can comment and move it back to P2.
> JdbcIO should infer coder when possible (such as via RowMapper)
> ---------------------------------------------------------------
>
> Key: BEAM-960
> URL: https://issues.apache.org/jira/browse/BEAM-960
> Project: Beam
> Issue Type: Improvement
> Components: io-java-jdbc
> Reporter: Kenneth Knowles
> Priority: P3
>
> There are a few ways that we typically do this:
> # Inspect the static args of the class implementing {{RowMapper}} to
> determine the output type, then consult the coder registry. This method is
> more limited and not lambda-friendly.
> # For the a "functional interface" version, like {{RowMapper}} that allows
> setting the output type descriptor.
> # Also provide an abstract class-based version, for example accepting a
> {{SimpleFunction}} that will automatically have a rich output type descriptor.
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