Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/15567#discussion_r84335141
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/SparkPartitionID.scala
---
@@ -17,16 +17,15 @@
package org.apache.spark.sql.catalyst.expressions
-import org.apache.spark.TaskContext
import org.apache.spark.sql.catalyst.InternalRow
import org.apache.spark.sql.catalyst.expressions.codegen.{CodegenContext,
ExprCode}
import org.apache.spark.sql.types.{DataType, IntegerType}
/**
- * Expression that returns the current partition id of the Spark task.
+ * Expression that returns the current partition id.
*/
@ExpressionDescription(
- usage = "_FUNC_() - Returns the current partition id of the Spark task",
+ usage = "_FUNC_() - Returns the current partition id",
--- End diff --
hmmm this is behavior changing, and there is some value to the old
partition id ...
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