Github user SparkQA commented on the pull request:
https://github.com/apache/spark/pull/5542#issuecomment-93886910
[Test build #30451 has
finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/30451/consoleFull)
for PR 5542 at commit
[`e213e5e`](https://github.com/apache/spark/commit/e213e5ea9d744d5733335287874dcb92a771b65e).
* This patch **passes all tests**.
* This patch merges cleanly.
* This patch adds the following public classes _(experimental)_:
* `trait AggregateFunction2 `
* `trait AggregateExpression2 extends Expression with AggregateFunction2 `
* `abstract class UnaryAggregateExpression extends UnaryExpression with
AggregateExpression2 `
* `case class Min(child: Expression) extends UnaryAggregateExpression `
* `case class Average(child: Expression, distinct: Boolean = false)`
* `case class Max(child: Expression) extends UnaryAggregateExpression `
* `case class Count(child: Expression)`
* `case class CountDistinct(children: Seq[Expression])`
* `case class Sum(child: Expression, distinct: Boolean = false)`
* `case class First(child: Expression, distinct: Boolean = false)`
* `case class Last(child: Expression, distinct: Boolean = false)`
* `class AggregateExpressionSubsitution `
* ` class HashAggregation2(aggrSubsitution:
AggregateExpressionSubsitution) extends Strategy `
* `sealed class BufferSeens(var buffer: MutableRow, var seens:
Array[JSet[Any]] = null) `
* `sealed class BufferAndKey(leftLen: Int, rightLen: Int)`
* `sealed trait Aggregate `
* `sealed trait PostShuffle extends Aggregate `
* `case class AggregatePreShuffle(`
* `case class AggregatePostShuffle(`
* `case class DistinctAggregate(`
* This patch does not change any dependencies.
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