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From "vinoyang (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HUDI-617) Add support for data types convertible to String in TimestampBasedKeyGenerator
Date Tue, 10 Mar 2020 03:45:00 GMT

    [ https://issues.apache.org/jira/browse/HUDI-617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17055560#comment-17055560
] 

vinoyang commented on HUDI-617:
-------------------------------

[~amitds1997] Did you apply for contribution permission? Why I can not assign this ticket
to you?

> Add support for data types convertible to String in TimestampBasedKeyGenerator
> ------------------------------------------------------------------------------
>
>                 Key: HUDI-617
>                 URL: https://issues.apache.org/jira/browse/HUDI-617
>             Project: Apache Hudi (incubating)
>          Issue Type: Improvement
>          Components: Utilities
>            Reporter: Amit Singh
>            Priority: Minor
>              Labels: easyfix, pull-request-available
>             Fix For: 0.5.2
>
>         Attachments: test_data.json, test_schema.avsc
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Currently, TimestampBasedKeyGenerator only supports 4 data types for the partition key.
They areĀ  Double, Long, Float and String. However, if the `avro.java.string` is not specified
in the schema provided, Hudi throws the following error:
>  org.apache.hudi.exception.HoodieNotSupportedException: Unexpected type for partition
field: org.apache.avro.util.Utf8
>  at org.apache.hudi.utilities.keygen.TimestampBasedKeyGenerator.getKey(TimestampBasedKeyGenerator.java:111)
>  at org.apache.hudi.utilities.deltastreamer.DeltaSync.lambda$readFromSource$f92c188c$1(DeltaSync.java:338)
> ....
>  It will be better if the support was more generalised to include the data types that
provide method to convert them to String such as `Utf8` since all these methods implement
the `CharSequence` interface.



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