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[GitHub] [spark] gengliangwang opened a new pull request #34833: [SPARK-37533][SQL] try_element_at should throw an error on 0 array index
gengliangwang opened a new pull request #34833:
URL: https://github.com/apache/spark/pull/34833
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Change the new function `try_element_at` to throw an error on 0 array index
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As @srielau points out in https://github.com/apache/spark/commit/f705e522bc26085feebe1e5efc92313858df58d1#commitcomment-61541454, array index can't be 0 in `element_at`/`try_element_at` and we should throw an error to remind users.
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No, the new function is not released yet.
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Unit tests
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[GitHub] [spark] HyukjinKwon closed pull request #34833: [SPARK-37533][SQL][FOLLOWUP] try_element_at should throw an error on 0 array index
Posted by GitBox <gi...@apache.org>.
HyukjinKwon closed pull request #34833:
URL: https://github.com/apache/spark/pull/34833
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[GitHub] [spark] SparkQA commented on pull request #34833: [SPARK-37533][SQL][FOLLOWUP] try_element_at should throw an error on 0 array index
Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #34833:
URL: https://github.com/apache/spark/pull/34833#issuecomment-988710816
**[Test build #146005 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/146005/testReport)** for PR 34833 at commit [`b4f6bcb`](https://github.com/apache/spark/commit/b4f6bcb55243d54e16c9ce7747967ba6e0fc5fa6).
* This patch **fails Spark unit tests**.
* This patch merges cleanly.
* This patch adds the following public classes _(experimental)_:
* `case class TryElementAt(left: Expression, right: Expression, child: Expression)`
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[GitHub] [spark] SparkQA commented on pull request #34833: [SPARK-37533][SQL] try_element_at should throw an error on 0 array index
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URL: https://github.com/apache/spark/pull/34833#issuecomment-988618672
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URL: https://github.com/apache/spark/pull/34833#issuecomment-988699520
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[GitHub] [spark] gengliangwang commented on a change in pull request #34833: [SPARK-37533][SQL] try_element_at should throw an error on 0 array index
Posted by GitBox <gi...@apache.org>.
gengliangwang commented on a change in pull request #34833:
URL: https://github.com/apache/spark/pull/34833#discussion_r764639729
##########
File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
##########
@@ -1996,9 +1996,10 @@ case class ArrayPosition(left: Expression, right: Expression)
*/
@ExpressionDescription(
usage = """
- _FUNC_(array, index) - Returns element of array at given (1-based) index. If index < 0,
Review comment:
Let's mention that 0 index will throw an error in the function description.
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[GitHub] [spark] HyukjinKwon commented on pull request #34833: [SPARK-37533][SQL][FOLLOWUP] try_element_at should throw an error on 0 array index
Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on pull request #34833:
URL: https://github.com/apache/spark/pull/34833#issuecomment-988730472
Merged to master.
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