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https://issues.apache.org/jira/browse/SPARK-32710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Su updated SPARK-32710:
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Affects Version/s: (was: 3.0.0)
3.1.0
> Add Hive Murmur3Hash expression
> -------------------------------
>
> Key: SPARK-32710
> URL: https://issues.apache.org/jira/browse/SPARK-32710
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Cheng Su
> Priority: Minor
>
> To allow Spark to write Hive 3 compatible bucketed table, we need to follow
> the same hash function with Hive/Presto. Hive murmur3hash is quite some
> different with Spark murmur3hash (with different default seed, different
> logic for NULL, array, map, struct, detail in
> [https://github.com/apache/hive/blob/ece58fff1b53ea451bfc524c4c15f63ee12eca00/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ObjectInspectorUtils.java#L813]).
> So here introduce a Hive murmur3hash expression.
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