Song Jun created SPARK-18271:
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Summary: hash udf in HiveSessionCatalog.hiveFunctions seq is
redundant
Key: SPARK-18271
URL: https://issues.apache.org/jira/browse/SPARK-18271
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.0.1
Reporter: Song Jun
Priority: Minor
when lookupfunction in HiveSessionCatalog, first look up in spark's build-in
functionRegistry, if it not existed, then look up the Hive'S build-in functions
which are listed in Seq(hiveFunctions).
But the [hash] function is already in spark's build-in functionRegistry list,
so it will never to go to look up in Hive's hiveFunctions list, so the [hash]
function which is in Hive's hiveFunctions is redundant, we can remove it.
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