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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/03/04 09:19:25 UTC

[GitHub] [spark] HyukjinKwon opened a new pull request #27788: [WIP][SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters

HyukjinKwon opened a new pull request #27788: [WIP][SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788
 
 
   ### What changes were proposed in this pull request?
   
   This PR proposes to respect hidden parameters by using `stringArgs`  in `Expression.toString `. By this, we can show the strings properly in some cases such as `NonSQLExpression`.
   
   ### Why are the changes needed?
   
   To respect "hidden" arguments in the string representation.
   
   ### Does this PR introduce any user-facing change?
   
   Yes, for example, on the top of https://github.com/apache/spark/pull/27657, 
   
   ```scala
   val identify = udf((input: Seq[Int]) => input)
   spark.range(10).select(identify(array("id"))).show()
   ```
   
   shows hidden parameter `useStringTypeWhenEmpty`.
   
   ```
   +---------------------+
   |UDF(array(id, false))|
   +---------------------+
   |                  [0]|
   |                  [1]|
   ...
   ```
   
   whereas:
   
   ```scala
   spark.range(10).select(array("id")).show()
   ```
   
   ```
   +---------+
   |array(id)|
   +---------+
   |      [0]|
   |      [1]|
   ...
   ```
   
   ### How was this patch tested?
   
   By existing tests.

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Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/spark/pull/27788#issuecomment-594412300
 
 
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Posted by GitBox <gi...@apache.org>.
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[GitHub] [spark] SparkQA commented on issue #27788: [WIP][SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters

Posted by GitBox <gi...@apache.org>.
SparkQA commented on issue #27788: [WIP][SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788#issuecomment-594582531
 
 
   **[Test build #119296 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/119296/testReport)** for PR 27788 at commit [`41085bd`](https://github.com/apache/spark/commit/41085bd371faac0bfaccfd526a83108cbfd9fe46).
    * This patch passes all tests.
    * This patch merges cleanly.
    * This patch adds no public classes.

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[GitHub] [spark] HyukjinKwon closed pull request #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters

Posted by GitBox <gi...@apache.org>.
HyukjinKwon closed pull request #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788
 
 
   

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Posted by GitBox <gi...@apache.org>.
AmplabJenkins commented on issue #27788: [WIP][SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788#issuecomment-594585323
 
 
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[GitHub] [spark] SparkQA commented on issue #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters

Posted by GitBox <gi...@apache.org>.
SparkQA commented on issue #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788#issuecomment-595278315
 
 
   **[Test build #119400 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/119400/testReport)** for PR 27788 at commit [`e886efd`](https://github.com/apache/spark/commit/e886efde6f29e4c5f6521179e3456743699f49ef).

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[GitHub] [spark] SparkQA commented on issue #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters

Posted by GitBox <gi...@apache.org>.
SparkQA commented on issue #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788#issuecomment-595268589
 
 
   **[Test build #119380 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/119380/testReport)** for PR 27788 at commit [`e886efd`](https://github.com/apache/spark/commit/e886efde6f29e4c5f6521179e3456743699f49ef).
    * This patch **fails SparkR unit tests**.
    * This patch merges cleanly.
    * This patch adds no public classes.

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[GitHub] [spark] HyukjinKwon commented on a change in pull request #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters

Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on a change in pull request #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788#discussion_r388202220
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/higherOrderFunctions.scala
 ##########
 @@ -533,6 +533,8 @@ case class ArrayExists(
       SQLConf.get.getConf(SQLConf.LEGACY_ARRAY_EXISTS_FOLLOWS_THREE_VALUED_LOGIC))
   }
 
+  override def stringArgs: Iterator[Any] = super.stringArgs.take(2)
+
 
 Review comment:
   This is actually a followup of https://github.com/apache/spark/pull/27655. I am not going to add a test case because we don't guarantee on the naming against `NonSQLExpression` yet. It is just to make it prettier.
   
   I manually tested as below:
   
   ```scala
   val identify = udf((input: Boolean) => input)
   spark.range(10).select(identify(exists(array(col("id")), _ % 2 === 0))).show()
   ```
   
   Before:
   
   ```
   +-------------------------------------------------------------------------------------+
   |UDF(exists(array(id), lambdafunction(((lambda 'x % 2) = 0), lambda 'x, false), true))|
   +-------------------------------------------------------------------------------------+
   |                                                                                 true|
   |                                                                                false|
   |                                                                                 true|
   ...
   ```
   
   
   After:
   
   ```
   +-------------------------------------------------------------------------------+
   |UDF(exists(array(id), lambdafunction(((lambda 'x % 2) = 0), lambda 'x, false)))|
   +-------------------------------------------------------------------------------+
   |                                                                           true|
   |                                                                          false|
   |                                                                           true|
   ```
   
   Here, now we hide properly `followThreeValuedLogic` in `ArrayExists`.

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[GitHub] [spark] cloud-fan commented on issue #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on issue #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788#issuecomment-595276278
 
 
   retest this please

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Posted by GitBox <gi...@apache.org>.
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Posted by GitBox <gi...@apache.org>.
SparkQA commented on issue #27788: [WIP][SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788#issuecomment-595147576
 
 
   **[Test build #119380 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/119380/testReport)** for PR 27788 at commit [`e886efd`](https://github.com/apache/spark/commit/e886efde6f29e4c5f6521179e3456743699f49ef).

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[GitHub] [spark] HyukjinKwon commented on a change in pull request #27788: [WIP][SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters

Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on a change in pull request #27788: [WIP][SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788#discussion_r388202220
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/higherOrderFunctions.scala
 ##########
 @@ -533,6 +533,8 @@ case class ArrayExists(
       SQLConf.get.getConf(SQLConf.LEGACY_ARRAY_EXISTS_FOLLOWS_THREE_VALUED_LOGIC))
   }
 
+  override def stringArgs: Iterator[Any] = super.stringArgs.take(2)
+
 
 Review comment:
   This is actually a followup of https://github.com/apache/spark/pull/27655. I am not going to add a test case because we don't guarantee on the naming against `NonSQLExpression`. It is just to make it pretty.
   
   I manually tested as below:
   
   ```scala
   val identify = udf((input: Boolean) => input)
   spark.range(10).select(identify(exists(array(col("id")), _ % 2 === 0))).show()
   ```
   
   Before:
   
   ```
   +-------------------------------------------------------------------------------------+
   |UDF(exists(array(id), lambdafunction(((lambda 'x % 2) = 0), lambda 'x, false), true))|
   +-------------------------------------------------------------------------------------+
   |                                                                                 true|
   |                                                                                false|
   |                                                                                 true|
   ...
   ```
   
   
   After:
   
   ```
   +-------------------------------------------------------------------------------+
   |UDF(exists(array(id), lambdafunction(((lambda 'x % 2) = 0), lambda 'x, false)))|
   +-------------------------------------------------------------------------------+
   |                                                                           true|
   |                                                                          false|
   |                                                                           true|
   ```
   
   Here, now we hide properly `followThreeValuedLogic` in `ArrayExists`.

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Posted by GitBox <gi...@apache.org>.
SparkQA removed a comment on issue #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
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[GitHub] [spark] HyukjinKwon commented on issue #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters

Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on issue #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788#issuecomment-595151440
 
 
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[GitHub] [spark] HyukjinKwon commented on a change in pull request #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters

Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on a change in pull request #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788#discussion_r388202220
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/higherOrderFunctions.scala
 ##########
 @@ -533,6 +533,8 @@ case class ArrayExists(
       SQLConf.get.getConf(SQLConf.LEGACY_ARRAY_EXISTS_FOLLOWS_THREE_VALUED_LOGIC))
   }
 
+  override def stringArgs: Iterator[Any] = super.stringArgs.take(2)
+
 
 Review comment:
   This is actually a followup of https://github.com/apache/spark/pull/27655. I am not going to add a test case because we don't guarantee on the naming against `NonSQLExpression` yet. It is just to make it pretty.
   
   I manually tested as below:
   
   ```scala
   val identify = udf((input: Boolean) => input)
   spark.range(10).select(identify(exists(array(col("id")), _ % 2 === 0))).show()
   ```
   
   Before:
   
   ```
   +-------------------------------------------------------------------------------------+
   |UDF(exists(array(id), lambdafunction(((lambda 'x % 2) = 0), lambda 'x, false), true))|
   +-------------------------------------------------------------------------------------+
   |                                                                                 true|
   |                                                                                false|
   |                                                                                 true|
   ...
   ```
   
   
   After:
   
   ```
   +-------------------------------------------------------------------------------+
   |UDF(exists(array(id), lambdafunction(((lambda 'x % 2) = 0), lambda 'x, false)))|
   +-------------------------------------------------------------------------------+
   |                                                                           true|
   |                                                                          false|
   |                                                                           true|
   ```
   
   Here, now we hide properly `followThreeValuedLogic` in `ArrayExists`.

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[GitHub] [spark] SparkQA commented on issue #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters

Posted by GitBox <gi...@apache.org>.
SparkQA commented on issue #27788: [SPARK-31036][SQL] Use stringArgs in Expression.toString to respect hidden parameters
URL: https://github.com/apache/spark/pull/27788#issuecomment-595434179
 
 
   **[Test build #119400 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/119400/testReport)** for PR 27788 at commit [`e886efd`](https://github.com/apache/spark/commit/e886efde6f29e4c5f6521179e3456743699f49ef).
    * This patch passes all tests.
    * This patch merges cleanly.
    * This patch adds no public classes.

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