[SPARK-8203] [SPARK-8204] [SQL] conditional function: least/greatest #6851

adrian-wang · 2015-06-17T07:28:36Z

@chenghao-intel @zhichao-li @qiansl127

rxin · 2015-06-17T07:30:15Z

...st/src/test/scala/org/apache/spark/sql/catalyst/expressions/ConditionalExpressionSuite.scala

we need to test this for all data types.

chenghao-intel · 2015-06-17T07:42:06Z

Don't forget to implement the def foldable.

SparkQA · 2015-06-17T09:23:03Z

Test build #35027 has finished for PR 6851 at commit 3e25c6c.

This patch passes all tests.
This patch merges cleanly.
This patch adds the following public classes (experimental):
- case class Least(children: Expression*)
- case class Greatest(children: Expression*)

SparkQA · 2015-07-09T12:38:14Z

Test build #36926 has finished for PR 6851 at commit e478369.

This patch passes all tests.
This patch merges cleanly.
This patch adds the following public classes (experimental):
- case class Least(children: Expression*) extends Expression
- case class Greatest(children: Expression*) extends Expression

chenghao-intel · 2015-07-10T02:24:54Z

sql/core/src/main/scala/org/apache/spark/sql/functions.scala

Nit:
/**

Computes hex value for the given column.
*

chenghao-intel · 2015-07-10T02:25:48Z

Can you rebase the code?

SparkQA · 2015-07-10T03:03:39Z

Test build #36999 has finished for PR 6851 at commit c1f6824.

This patch fails some tests.
This patch merges cleanly.
This patch adds no public classes.

SparkQA · 2015-07-10T04:47:21Z

Test build #37001 has finished for PR 6851 at commit 7a6bdbb.

This patch fails PySpark unit tests.
This patch merges cleanly.
This patch adds the following public classes (experimental):
- case class Least(children: Expression*) extends Expression
- case class Greatest(children: Expression*) extends Expression

adrian-wang · 2015-07-10T05:05:20Z

retest this please.

SparkQA · 2015-07-10T05:08:34Z

Test build #37011 has finished for PR 6851 at commit 7a6bdbb.

This patch fails some tests.
This patch merges cleanly.
This patch adds no public classes.

adrian-wang · 2015-07-10T05:19:34Z

retest this please.

SparkQA · 2015-07-10T07:04:12Z

Test build #37012 has finished for PR 6851 at commit 7a6bdbb.

This patch passes all tests.
This patch merges cleanly.
This patch adds the following public classes (experimental):
- case class Least(children: Expression*) extends Expression
- case class Greatest(children: Expression*) extends Expression

adrian-wang · 2015-07-10T07:31:18Z

@rxin @davies

davies · 2015-07-12T01:38:39Z

sql/core/src/main/scala/org/apache/spark/sql/functions.scala

Should we check that exprs have at least two columns? Also for others, it's good to fail fast.

SparkQA · 2015-07-13T04:38:15Z

Test build #37117 has finished for PR 6851 at commit 0f1bff2.

This patch passes all tests.
This patch merges cleanly.
This patch adds the following public classes (experimental):
- case class Least(children: Expression*) extends Expression
- case class Greatest(children: Expression*) extends Expression

adrian-wang · 2015-07-13T06:55:27Z

cc @davies

davies · 2015-07-13T07:14:12Z

LGTM, merging this into master, thanks!

rxin · 2015-07-13T07:56:25Z

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/conditionals.scala

note: this should be Seq[Expression], not vararg

chenghao-intel zhichao-li qiansl127 Author: Daoyuan Wang <[email protected]> Closes apache#6851 from adrian-wang/udflg and squashes the following commits: 0f1bff2 [Daoyuan Wang] address comments from davis 7a6bdbb [Daoyuan Wang] add '.' for hex() c1f6824 [Daoyuan Wang] add codegen, test for all types ec625b0 [Daoyuan Wang] conditional function: least/greatest

adrian-wang · 2015-07-13T10:23:21Z

oh, it seems this pr has been merged but stay unclosed...
@davies @rxin

srowen · 2015-07-13T10:39:03Z

@adrian-wang probably a sync problem. It was evidently merged into master. You can just close it too.

SparkQA · 2015-07-13T10:54:51Z

Test build #37132 has finished for PR 6851 at commit 22e8f3d.

This patch fails Spark unit tests.
This patch merges cleanly.
This patch adds the following public classes (experimental):
- case class Least(children: Seq[Expression]) extends Expression
- case class Greatest(children: Seq[Expression]) extends Expression

rxin · 2015-07-13T18:40:47Z

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/conditionals.scala

can you add scaladoc explaining the semantics of this expression? also do it for greatest.

rxin · 2015-07-13T18:42:29Z

@adrian-wang I found that happening quite a bit lately. Can you close the pr and just submit followup patches to address my comments? thanks.

This is a follow up of remaining comments from #6851 Author: Daoyuan Wang <[email protected]> Closes #7387 from adrian-wang/udflgfollow and squashes the following commits: 6163e62 [Daoyuan Wang] add skipping null values e8c2e09 [Daoyuan Wang] use seq 8362966 [Daoyuan Wang] pr6851 follow up

yjshen · 2015-07-29T14:57:21Z

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/conditionals.scala

Why count against not NullType? any reason here?

i think the problem is that null literals are not converted into any non-null type when it happens in greatest.

rxin reviewed Jun 17, 2015
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adrian-wang force-pushed the udflg branch from 3e25c6c to e478369 Compare July 9, 2015 10:55

chenghao-intel reviewed Jul 10, 2015
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sql/core/src/main/scala/org/apache/spark/sql/functions.scala Outdated

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Nit:
/**

Computes hex value for the given column.
*

adrian-wang added 2 commits July 9, 2015 20:00

conditional function: least/greatest

ec625b0

add codegen, test for all types

c1f6824

adrian-wang force-pushed the udflg branch from e478369 to c1f6824 Compare July 10, 2015 03:00

adrian-wang changed the title ~~[SPARK-8203] [SPARK-8204] [WIP] [SQL] conditional function: least/greatest~~ [SPARK-8203] [SPARK-8204] [SQL] conditional function: least/greatest Jul 10, 2015

add '.' for hex()

7a6bdbb

davies reviewed Jul 12, 2015
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address comments from davis

0f1bff2

rxin reviewed Jul 13, 2015
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adrian-wang added 2 commits July 13, 2015 16:03

use seq for case class

86fb049

use seq for case class in functions

22e8f3d

rxin reviewed Jul 13, 2015
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adrian-wang closed this Jul 14, 2015

adrian-wang mentioned this pull request Jul 14, 2015

[SPARK-6851] [SQL] function least/greatest follow up #7387

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yjshen reviewed Jul 29, 2015
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[SPARK-8203] [SPARK-8204] [SQL] conditional function: least/greatest #6851

[SPARK-8203] [SPARK-8204] [SQL] conditional function: least/greatest #6851

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