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https://issues.apache.org/jira/browse/BEAM-6521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17236940#comment-17236940
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Eugene Nikolaiev commented on BEAM-6521:
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We are using `filter` option in Python `ReadFromMongoDB` for incremental loads 
to filter by date ranges using an "updated at" collection field. It would be 
nice if the filter feature stays.

> Deprecate/Remove MongoDb `withFilter` because its contract is broken
> --------------------------------------------------------------------
>
>                 Key: BEAM-6521
>                 URL: https://issues.apache.org/jira/browse/BEAM-6521
>             Project: Beam
>          Issue Type: Improvement
>          Components: io-java-mongodb
>            Reporter: Ismaël Mejía
>            Priority: P3
>
> MongoDb `withFilter` is an option to allow users to control partitioning 
> however its contract is not sufficient for this task. Also letting users 
> control partitioning is a recipe for trouble (and not encouraged), but even 
> if so there are more generic ways to achieve this. So we should deprecate 
> this and even removed in a further version.



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