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Posted to reviews@spark.apache.org by ueshin <gi...@git.apache.org> on 2018/08/03 08:16:58 UTC

[GitHub] spark pull request #21982: [SPARK-23909][SQL] Add aggregate function.

GitHub user ueshin opened a pull request:

    https://github.com/apache/spark/pull/21982

    [SPARK-23909][SQL] Add aggregate function.

    ## What changes were proposed in this pull request?
    
    This pr adds `aggregate` function which applies a binary operator to an initial state and all elements in the array, and reduces this to a single state. The final state is converted into the final result by applying a finish function.
    
    ```sql
    > SELECT aggregate(array(1, 2, 3), (acc, x) -> acc + x);
     6
    > SELECT aggregate(array(1, 2, 3), (acc, x) -> acc + x, acc -> acc * 10);
     60
    ```
    
    ## How was this patch tested?
    
    Added tests.


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/ueshin/apache-spark issues/SPARK-23911/aggregate

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/21982.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #21982
    
----
commit 26bf37960a1534da8e2119181dce5794e3b48172
Author: Takuya UESHIN <ue...@...>
Date:   2018-08-03T06:25:08Z

    Add `ArrayAggregate`.

----


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23909][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by ueshin <gi...@git.apache.org>.
Github user ueshin commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    Jenkins, retest this please.


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark pull request #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by ueshin <gi...@git.apache.org>.
Github user ueshin commented on a diff in the pull request:

    https://github.com/apache/spark/pull/21982#discussion_r208495280
  
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/higherOrderFunctions.scala ---
    @@ -270,3 +278,90 @@ case class ArrayFilter(
     
       override def prettyName: String = "filter"
     }
    +
    +/**
    + * Applies a binary operator to a start value and all elements in the array.
    + */
    +@ExpressionDescription(
    +  usage =
    +    """
    +      _FUNC_(expr, start, merge, finish) - Applies a binary operator to an initial state and all
    +      elements in the array, and reduces this to a single state. The final state is converted
    +      into the final result by applying a finish function.
    +    """,
    +  examples = """
    +    Examples:
    +      > SELECT _FUNC_(array(1, 2, 3), (acc, x) -> acc + x);
    --- End diff --
    
    Submitted #22035. Thanks!


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23909][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    **[Test build #94205 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/94205/testReport)** for PR 21982 at commit [`26bf379`](https://github.com/apache/spark/commit/26bf37960a1534da8e2119181dce5794e3b48172).


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    **[Test build #94207 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/94207/testReport)** for PR 21982 at commit [`4290f55`](https://github.com/apache/spark/commit/4290f554072dc2fbdf5e9d3567ee627c729542a4).
     * This patch passes all tests.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:
      * `case class ArrayFilter(`


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    **[Test build #94169 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/94169/testReport)** for PR 21982 at commit [`26bf379`](https://github.com/apache/spark/commit/26bf37960a1534da8e2119181dce5794e3b48172).


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by ueshin <gi...@git.apache.org>.
Github user ueshin commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    Oops, yes, I wrote a wrong jira-id. Fixed. Thanks!


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by ueshin <gi...@git.apache.org>.
Github user ueshin commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    Thanks! merging to master.


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[GitHub] spark pull request #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by ueshin <gi...@git.apache.org>.
Github user ueshin commented on a diff in the pull request:

    https://github.com/apache/spark/pull/21982#discussion_r208493152
  
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/higherOrderFunctions.scala ---
    @@ -270,3 +278,90 @@ case class ArrayFilter(
     
       override def prettyName: String = "filter"
     }
    +
    +/**
    + * Applies a binary operator to a start value and all elements in the array.
    + */
    +@ExpressionDescription(
    +  usage =
    +    """
    +      _FUNC_(expr, start, merge, finish) - Applies a binary operator to an initial state and all
    +      elements in the array, and reduces this to a single state. The final state is converted
    +      into the final result by applying a finish function.
    +    """,
    +  examples = """
    +    Examples:
    +      > SELECT _FUNC_(array(1, 2, 3), (acc, x) -> acc + x);
    --- End diff --
    
    Oops, sorry, we need the second argument as an initial value.
    
    ```sql
    SELECT aggregate(array(1, 2, 3), 0, (acc, x) -> acc + x);
    ```
    
    I'll submit a follow-up pr soon.



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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark pull request #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by HyukjinKwon <gi...@git.apache.org>.
Github user HyukjinKwon commented on a diff in the pull request:

    https://github.com/apache/spark/pull/21982#discussion_r208491880
  
    --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/higherOrderFunctions.scala ---
    @@ -270,3 +278,90 @@ case class ArrayFilter(
     
       override def prettyName: String = "filter"
     }
    +
    +/**
    + * Applies a binary operator to a start value and all elements in the array.
    + */
    +@ExpressionDescription(
    +  usage =
    +    """
    +      _FUNC_(expr, start, merge, finish) - Applies a binary operator to an initial state and all
    +      elements in the array, and reduces this to a single state. The final state is converted
    +      into the final result by applying a finish function.
    +    """,
    +  examples = """
    +    Examples:
    +      > SELECT _FUNC_(array(1, 2, 3), (acc, x) -> acc + x);
    --- End diff --
    
    @ueshin, would you mind if I ask to kindly double check if the example works? seems not in my local:
    
    ```
    spark-sql> SELECT aggregate(array(1, 2, 3), (acc, x) -> acc + x);
    2018-08-08 16:08:25 ERROR SparkSQLDriver:91 - Failed in [SELECT aggregate(array(1, 2, 3), (acc, x) -> acc + x)]
    org.apache.spark.sql.catalyst.analysis.UnresolvedException: Invalid call to dataType on unresolved object, tree: 'acc
    	at org.apache.spark.sql.catalyst.analysis.UnresolvedAttribute.dataType(unresolved.scala:105)
    	at org.apache.spark.sql.catalyst.expressions.BinaryArithmetic.dataType(arithmetic.scala:119)
    	at org.apache.spark.sql.catalyst.expressions.LambdaFunction.dataType(higherOrderFunctions.scala:72)
    	at org.apache.spark.sql.hive.HiveSessionCatalog$$anonfun$1.apply(HiveSessionCatalog.scala:122)
    	at org.apache.spark.sql.hive.HiveSessionCatalog$$anonfun$1.apply(HiveSessionCatalog.scala:121)
    	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
    	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
    	at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
    	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
    	at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
    	at scala.collection.AbstractTraversable.map(Traversable.scala:104)
    ```


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    retest this please


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    **[Test build #94130 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/94130/testReport)** for PR 21982 at commit [`26bf379`](https://github.com/apache/spark/commit/26bf37960a1534da8e2119181dce5794e3b48172).
     * This patch **fails Spark unit tests**.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:
      * `case class ArrayAggregate(`


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[GitHub] spark issue #21982: [SPARK-23909][SQL] Add aggregate function.

Posted by ueshin <gi...@git.apache.org>.
Github user ueshin commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    cc @hvanhovell @gatorsmile @cloud-fan 


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
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    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark pull request #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by asfgit <gi...@git.apache.org>.
Github user asfgit closed the pull request at:

    https://github.com/apache/spark/pull/21982


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[GitHub] spark issue #21982: [SPARK-23909][SQL] Add aggregate function.

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    **[Test build #94118 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/94118/testReport)** for PR 21982 at commit [`26bf379`](https://github.com/apache/spark/commit/26bf37960a1534da8e2119181dce5794e3b48172).


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by gatorsmile <gi...@git.apache.org>.
Github user gatorsmile commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    @ueshin  You need to address the conflicts again. :)


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    **[Test build #94205 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/94205/testReport)** for PR 21982 at commit [`26bf379`](https://github.com/apache/spark/commit/26bf37960a1534da8e2119181dce5794e3b48172).
     * This patch **fails Spark unit tests**.
     * This patch **does not merge cleanly**.
     * This patch adds the following public classes _(experimental)_:
      * `case class ArrayAggregate(`


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    **[Test build #94207 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/94207/testReport)** for PR 21982 at commit [`4290f55`](https://github.com/apache/spark/commit/4290f554072dc2fbdf5e9d3567ee627c729542a4).


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    **[Test build #94118 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/94118/testReport)** for PR 21982 at commit [`26bf379`](https://github.com/apache/spark/commit/26bf37960a1534da8e2119181dce5794e3b48172).
     * This patch **fails Spark unit tests**.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:
      * `case class ArrayAggregate(`


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

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    https://github.com/apache/spark/pull/21982
  
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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    **[Test build #94130 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/94130/testReport)** for PR 21982 at commit [`26bf379`](https://github.com/apache/spark/commit/26bf37960a1534da8e2119181dce5794e3b48172).


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[GitHub] spark issue #21982: [SPARK-23909][SQL] Add aggregate function.

Posted by mn-mikke <gi...@git.apache.org>.
Github user mn-mikke commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    Isn't this PR related to the Jira ticket [SPARK-23911](https://issues.apache.org/jira/browse/SPARK-23911)?


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    Build finished. Test PASSed.


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by SparkQA <gi...@git.apache.org>.
Github user SparkQA commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    **[Test build #94169 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/94169/testReport)** for PR 21982 at commit [`26bf379`](https://github.com/apache/spark/commit/26bf37960a1534da8e2119181dce5794e3b48172).
     * This patch **fails Spark unit tests**.
     * This patch merges cleanly.
     * This patch adds the following public classes _(experimental)_:
      * `case class ArrayAggregate(`


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by AmplabJenkins <gi...@git.apache.org>.
Github user AmplabJenkins commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    Merged build finished. Test PASSed.


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[GitHub] spark issue #21982: [SPARK-23911][SQL] Add aggregate function.

Posted by hvanhovell <gi...@git.apache.org>.
Github user hvanhovell commented on the issue:

    https://github.com/apache/spark/pull/21982
  
    retest this please


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