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[SPARK-12480][FOLLOW-UP] use a single column vararg for hash
address comments in #10435 This makes the API easier to use if user programmatically generate the call to hash, and they will get analysis exception if the arguments of hash is empty. Author: Wenchen Fan <wenchen@databricks.com> Closes #10588 from cloud-fan/hash.
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- python/pyspark/sql/functions.py 12 additions, 0 deletionspython/pyspark/sql/functions.py
- sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/misc.scala 1 addition, 1 deletion...cala/org/apache/spark/sql/catalyst/expressions/misc.scala
- sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/ExpressionTypeCheckingSuite.scala 1 addition, 0 deletions...k/sql/catalyst/analysis/ExpressionTypeCheckingSuite.scala
- sql/core/src/main/scala/org/apache/spark/sql/functions.scala 2 additions, 2 deletionssql/core/src/main/scala/org/apache/spark/sql/functions.scala
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