Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/15704#discussion_r86075107 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala --- @@ -418,27 +419,53 @@ case class AlterTableRenamePartitionCommand( */ case class AlterTableDropPartitionCommand( tableName: TableIdentifier, - specs: Seq[TablePartitionSpec], + specs: Seq[Expression], ifExists: Boolean, purge: Boolean) - extends RunnableCommand { + extends RunnableCommand with PredicateHelper { + + private def hasComplexExpr(expr: Expression): Boolean = { --- End diff -- The function name looks confusing. Actually they are not more complex operators, are they?
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