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[SPARK-16324] [SQL] regexp_extract should doc that it returns empty string when match fails #14525

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@srowen srowen commented Aug 7, 2016

What changes were proposed in this pull request?

Doc that regexp_extract returns empty string when regex or group does not match

How was this patch tested?

Jenkins test, with a few new test cases

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SparkQA commented Aug 7, 2016

Test build #63326 has finished for PR 14525 at commit 98036a1.

  • This patch passes all tests.
  • This patch merges cleanly.
  • This patch adds no public classes.

srowen pushed a commit to srowen/spark that referenced this pull request Aug 7, 2016
…ringFunctionsSuite

## What changes were proposed in this pull request?

This PR aims to fix a build error on branch 1.6 at apache@8d87252, but I think we had better have this consistently in master branch, too. It's because there exist other ongoing PR (apache#14525) about this.

https://amplab.cs.berkeley.edu/jenkins/job/spark-branch-1.6-compile-maven-with-yarn-2.3/286/console

```scala
[error] /home/jenkins/workspace/spark-branch-1.6-compile-maven-with-yarn-2.3/sql/core/src/test/scala/org/apache/spark/sql/StringFunctionsSuite.scala:82: value toDF is not a member of Seq[String]
[error]     val df = Seq("aaaac").toDF("s")
[error]                           ^
```

## How was this patch tested?

After passing Jenkins, run compilation test on branch 1.6.
```
build/mvn -DskipTests -Pyarn -Phadoop-2.3 -Pkinesis-asl -Phive -Phive-thriftserver install
```

Author: Dongjoon Hyun <dongjoon@apache.org>

Closes apache#14526 from dongjoon-hyun/SPARK-16939.
asfgit pushed a commit that referenced this pull request Aug 7, 2016
…ringFunctionsSuite

## What changes were proposed in this pull request?

This PR aims to fix a build error on branch 1.6 at 8d87252, but I think we had better have this consistently in master branch, too. It's because there exist other ongoing PR (#14525) about this.

https://amplab.cs.berkeley.edu/jenkins/job/spark-branch-1.6-compile-maven-with-yarn-2.3/286/console

```scala
[error] /home/jenkins/workspace/spark-branch-1.6-compile-maven-with-yarn-2.3/sql/core/src/test/scala/org/apache/spark/sql/StringFunctionsSuite.scala:82: value toDF is not a member of Seq[String]
[error]     val df = Seq("aaaac").toDF("s")
[error]                           ^
```

## How was this patch tested?

After passing Jenkins, run compilation test on branch 1.6.
```
build/mvn -DskipTests -Pyarn -Phadoop-2.3 -Pkinesis-asl -Phive -Phive-thriftserver install
```

Author: Dongjoon Hyun <dongjoon@apache.org>

Closes #14526 from dongjoon-hyun/SPARK-16939.

(cherry picked from commit a16983c)
Signed-off-by: Sean Owen <sowen@cloudera.com>
asfgit pushed a commit that referenced this pull request Aug 7, 2016
…ringFunctionsSuite

## What changes were proposed in this pull request?

This PR aims to fix a build error on branch 1.6 at 8d87252, but I think we had better have this consistently in master branch, too. It's because there exist other ongoing PR (#14525) about this.

https://amplab.cs.berkeley.edu/jenkins/job/spark-branch-1.6-compile-maven-with-yarn-2.3/286/console

```scala
[error] /home/jenkins/workspace/spark-branch-1.6-compile-maven-with-yarn-2.3/sql/core/src/test/scala/org/apache/spark/sql/StringFunctionsSuite.scala:82: value toDF is not a member of Seq[String]
[error]     val df = Seq("aaaac").toDF("s")
[error]                           ^
```

## How was this patch tested?

After passing Jenkins, run compilation test on branch 1.6.
```
build/mvn -DskipTests -Pyarn -Phadoop-2.3 -Pkinesis-asl -Phive -Phive-thriftserver install
```

Author: Dongjoon Hyun <dongjoon@apache.org>

Closes #14526 from dongjoon-hyun/SPARK-16939.

(cherry picked from commit a16983c)
Signed-off-by: Sean Owen <sowen@cloudera.com>
zzcclp pushed a commit to zzcclp/spark that referenced this pull request Aug 8, 2016
…ringFunctionsSuite

## What changes were proposed in this pull request?

This PR aims to fix a build error on branch 1.6 at apache@8d87252, but I think we had better have this consistently in master branch, too. It's because there exist other ongoing PR (apache#14525) about this.

https://amplab.cs.berkeley.edu/jenkins/job/spark-branch-1.6-compile-maven-with-yarn-2.3/286/console

```scala
[error] /home/jenkins/workspace/spark-branch-1.6-compile-maven-with-yarn-2.3/sql/core/src/test/scala/org/apache/spark/sql/StringFunctionsSuite.scala:82: value toDF is not a member of Seq[String]
[error]     val df = Seq("aaaac").toDF("s")
[error]                           ^
```

## How was this patch tested?

After passing Jenkins, run compilation test on branch 1.6.
```
build/mvn -DskipTests -Pyarn -Phadoop-2.3 -Pkinesis-asl -Phive -Phive-thriftserver install
```

Author: Dongjoon Hyun <dongjoon@apache.org>

Closes apache#14526 from dongjoon-hyun/SPARK-16939.

(cherry picked from commit a16983c)
Signed-off-by: Sean Owen <sowen@cloudera.com>
(cherry picked from commit a3b06ae)
@SparkQA
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SparkQA commented Aug 9, 2016

Test build #63429 has finished for PR 14525 at commit a48be1f.

  • This patch passes all tests.
  • This patch merges cleanly.
  • This patch adds no public classes.

asfgit pushed a commit that referenced this pull request Aug 10, 2016
…ring when match fails

## What changes were proposed in this pull request?

Doc that regexp_extract returns empty string when regex or group does not match

## How was this patch tested?

Jenkins test, with a few new test cases

Author: Sean Owen <sowen@cloudera.com>

Closes #14525 from srowen/SPARK-16324.

(cherry picked from commit 0578ff9)
Signed-off-by: Sean Owen <sowen@cloudera.com>
@srowen
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srowen commented Aug 10, 2016

Merged to master, and 2.0 because this is fairly related to SPARK-16409

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2 participants