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From "Amit Singh (Jira)" <j...@apache.org>
Subject [jira] [Created] (HUDI-617) Add support for data types convertible to String in TimestampBasedKeyGenerator
Date Tue, 18 Feb 2020 08:06:00 GMT
Amit Singh created HUDI-617:
-------------------------------

             Summary: 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


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 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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