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https://issues.apache.org/jira/browse/BEAM-10922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17548926#comment-17548926
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Danny McCormick commented on BEAM-10922:
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This issue has been migrated to https://github.com/apache/beam/issues/20536

> Coder is not verified as deterministic in ApproximateUnique.java
> ----------------------------------------------------------------
>
>                 Key: BEAM-10922
>                 URL: https://issues.apache.org/jira/browse/BEAM-10922
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>            Reporter: Monica Song
>            Priority: P3
>              Labels: Clarified
>
> Calling input.getCoder() does not verify that the coder is deterministic. A 
> possible example where this could present a problem is if the user's data is 
> float, as the float coder is not deterministic [1].
> [1] 
> https://github.com/apache/beam/blob/4d7df122ca053828bd2c7dffa9f390ba2bd8678e/sdks/java/core/src/main/java/org/apache/beam/sdk/coders/FloatCoder.java#L70



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