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[SPARK-2155][SQL] add CaseKeyWhen for "CASE a WHEN b THEN c [WHEN d THEN e]* [ELSE f] END" #5979

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[SPARK-2155][SQL] add CaseKeyWhen for "CASE a WHEN b THEN c [WHEN d THEN e]* [ELSE f] END" #5979

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cloud-fan
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Avoid translating to CaseWhen and evaluate the key expression many times.

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Merged build triggered.

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Merged build started.

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SparkQA commented May 7, 2015

Test build #32109 has started for PR 5979 at commit 3ce54e1.

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SparkQA commented May 7, 2015

Test build #32109 has finished for PR 5979 at commit 3ce54e1.

  • This patch passes all tests.
  • This patch merges cleanly.
  • This patch adds the following public classes (experimental):
    • sealed trait LDAOptimizer
    • final class EMLDAOptimizer extends LDAOptimizer
    • final class OnlineLDAOptimizer extends LDAOptimizer
    • trait CaseWhenLike extends Expression
    • case class CaseWhen(branches: Seq[Expression]) extends CaseWhenLike
    • case class CaseKeyWhen(key: Expression, branches: Seq[Expression]) extends CaseWhenLike

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Merged build finished. Test PASSed.

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Test PASSed.
Refer to this link for build results (access rights to CI server needed):
https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/32109/
Test PASSed.

asfgit pushed a commit that referenced this pull request May 7, 2015
@cloud-fan @marmbrus
[SPARK-2155] [SQL] [WHEN D THEN E] [ELSE F] add CaseKeyWhen for "CASE…
622a0c5 
… a WHEN b THEN c * END"

Avoid translating to CaseWhen and evaluate the key expression many times.

Author: Wenchen Fan <cloud0fan@outlook.com>

Closes #5979 from cloud-fan/condition and squashes the following commits:

3ce54e1 [Wenchen Fan] add CaseKeyWhen

(cherry picked from commit 35f0173)
Signed-off-by: Michael Armbrust <michael@databricks.com>
@asfgit asfgit closed this in 35f0173 May 7, 2015
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marmbrus commented May 7, 2015

Thanks! Merged to master and 1.4.

jeanlyn pushed a commit to jeanlyn/spark that referenced this pull request May 28, 2015
@cloud-fan @jeanlyn
[SPARK-2155] [SQL] [WHEN D THEN E] [ELSE F] add CaseKeyWhen for "CASE…
2225e04 
… a WHEN b THEN c * END"

Avoid translating to CaseWhen and evaluate the key expression many times.

Author: Wenchen Fan <cloud0fan@outlook.com>

Closes apache#5979 from cloud-fan/condition and squashes the following commits:

3ce54e1 [Wenchen Fan] add CaseKeyWhen
jeanlyn pushed a commit to jeanlyn/spark that referenced this pull request Jun 12, 2015
@cloud-fan @jeanlyn
[SPARK-2155] [SQL] [WHEN D THEN E] [ELSE F] add CaseKeyWhen for "CASE…
9e3b8ab 
… a WHEN b THEN c * END"

Avoid translating to CaseWhen and evaluate the key expression many times.

Author: Wenchen Fan <cloud0fan@outlook.com>

Closes apache#5979 from cloud-fan/condition and squashes the following commits:

3ce54e1 [Wenchen Fan] add CaseKeyWhen
nemccarthy pushed a commit to nemccarthy/spark that referenced this pull request Jun 19, 2015
@cloud-fan @nemccarthy
[SPARK-2155] [SQL] [WHEN D THEN E] [ELSE F] add CaseKeyWhen for "CASE…
dc69ced 
… a WHEN b THEN c * END"

Avoid translating to CaseWhen and evaluate the key expression many times.

Author: Wenchen Fan <cloud0fan@outlook.com>

Closes apache#5979 from cloud-fan/condition and squashes the following commits:

3ce54e1 [Wenchen Fan] add CaseKeyWhen
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4 participants
@cloud-fan @AmplabJenkins @SparkQA @marmbrus