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Support ElementAt #2260

Merged
merged 24 commits into from
May 15, 2021
Merged

Support ElementAt #2260

merged 24 commits into from
May 15, 2021

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wjxiz1992
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@wjxiz1992 wjxiz1992 commented Apr 25, 2021

This PR is to close #2060. This gives initial support for element_at.

Note apache/spark#30297 introduce different behaviors for element_at when invalid index or key is given to lhs with ansi mode enabled and disabled.
A follow-up issue is created to track the difference.

For select element_at(Array(1,2,3), 4):

Spark 3.0.2 + spark.sql.ansi.enabled=true:

+-----------------------------+
|element_at(array(1, 2, 3), 4)|
+-----------------------------+
|                         null|
+-----------------------------+

Spark 3.1.1 + spark.sql.ansi.enabled=true:

java.lang.ArrayIndexOutOfBoundsException: Invalid index: 4, numElements: 3

For select element_at(map(1, 'a', 2, 'b'), 3):

Spark 3.0.2 + spark.sql.ansi.enabled=true:

+------------------------------+
|element_at(map(1, a, 2, b), 3)|
+------------------------------+
|                          null|
+------------------------------+

Spark 3.1.1 + spark.sql.ansi.enabled=true:

java.util.NoSuchElementException: Key 3 does not exist.

Signed-off-by: Allen Xu wjxiz1992@gmail.com

@wjxiz1992 wjxiz1992 self-assigned this Apr 25, 2021
@sameerz sameerz added this to In progress in Release 21.06 via automation Apr 25, 2021
@sameerz sameerz added the feature request New feature or request label Apr 25, 2021
@sameerz sameerz added this to the Apr 26 - May 7 milestone Apr 25, 2021
@wjxiz1992 wjxiz1992 linked an issue Apr 26, 2021 that may be closed by this pull request
@firestarman
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firestarman previously approved these changes Apr 30, 2021
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I found that ElementAt is located at collectionOperations.scala instead of complexTypeExtractors.scala in Spark. Shall we move GpuElementAt into collectionOperations.scala to follow the structure of Spark SQL ?

@revans2
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revans2 commented May 5, 2021

I found that ElementAt is located at collectionOperations.scala instead of complexTypeExtractors.scala in Spark. Shall we move GpuElementAt into collectionOperations.scala to follow the structure of Spark SQL ?

For most expressions I think it is good to try and mirror where Spark has them so yes.

Signed-off-by: Allen Xu <wjxiz1992@gmail.com>
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@wjxiz1992 wjxiz1992 requested a review from revans2 May 14, 2021 13:48
Signed-off-by: Allen Xu <wjxiz1992@gmail.com>
revans2
revans2 previously approved these changes May 14, 2021
Release 21.06 automation moved this from Review in progress to Reviewer approved May 14, 2021
Signed-off-by: Allen Xu <wjxiz1992@gmail.com>
Release 21.06 automation moved this from Reviewer approved to Review in progress May 15, 2021
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Release 21.06 automation moved this from Review in progress to Reviewer approved May 15, 2021
firestarman
firestarman previously approved these changes May 15, 2021
Release 21.06 automation moved this from Reviewer approved to Review in progress May 15, 2021
Release 21.06 automation moved this from Reviewer approved to Review in progress May 15, 2021
@wjxiz1992
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Signed-off-by: Allen Xu <wjxiz1992@gmail.com>
Release 21.06 automation moved this from Review in progress to Reviewer approved May 15, 2021
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build

@wjxiz1992 wjxiz1992 merged commit 247b758 into NVIDIA:branch-0.6 May 15, 2021
Release 21.06 automation moved this from Reviewer approved to Done May 15, 2021
@wjxiz1992 wjxiz1992 deleted the elementat branch May 15, 2021 15:20
nartal1 pushed a commit to nartal1/spark-rapids that referenced this pull request Jun 9, 2021
Support ElementAt.

Signed-off-by: Allen Xu <wjxiz1992@gmail.com>
nartal1 pushed a commit to nartal1/spark-rapids that referenced this pull request Jun 9, 2021
Support ElementAt.

Signed-off-by: Allen Xu <wjxiz1992@gmail.com>
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[FEA] Support element_at function on GPU
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