GitHub user hvanhovell opened a pull request:
https://github.com/apache/spark/pull/12815
[SPARK-14952][SQL] Support correlated scalar subqueries [WIP]
### What changes were proposed in this pull request?
This PR adds support for correlated scalar subqueries.
I'll add some more tests/better description.
### How was this patch tested?
Existing tests/need to add more tests.
(If this patch involves UI changes, please attach a screenshot; otherwise,
remove this)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hvanhovell/spark SPARK-14952
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/12815.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #12815
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commit 9e6e7ae71ad179be3a1e325dfce293d2f318acd8
Author: Herman van Hovell <[email protected]>
Date: 2016-04-27T09:55:39Z
Remove deprecated methods.
commit 15860977c3244c8aee91f89fd8e7a0ce0ef05cc5
Author: Herman van Hovell <[email protected]>
Date: 2016-04-27T11:43:36Z
Fix MiMa
commit 1b5d7eb1df8af275935a6541e8ea7720033f60be
Author: Herman van Hovell <[email protected]>
Date: 2016-04-27T12:31:17Z
Mima...
commit c2ae0051f6e6da1466e0a398c00fd10cab6efe57
Author: Herman van Hovell <[email protected]>
Date: 2016-04-27T13:12:37Z
...more mima...
commit 1de33ebde9425e6af36626dba42b73ba3cf225ab
Author: Herman van Hovell <[email protected]>
Date: 2016-04-30T09:26:30Z
Merge remote-tracking branch 'apache-github/master' into SPARK-14952
# Conflicts:
# project/MimaExcludes.scala
commit 7bd07a893929e58aa941351c5a0171302864879e
Author: Herman van Hovell <[email protected]>
Date: 2016-04-30T09:37:57Z
Merge remote-tracking branch 'apache-github/master' into SPARK-14952
# Conflicts:
# project/MimaExcludes.scala
commit 2e74b7b99e76803647944b8ac4eabd8fa1884db0
Author: Herman van Hovell <[email protected]>
Date: 2016-04-30T09:39:47Z
Remove python methods.
commit 194a7f02c5a525ab4653cdfdcab8180ddcf14950
Author: Herman van Hovell <[email protected]>
Date: 2016-04-30T16:22:59Z
Add support for correlated scalar subqueries.
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