GitHub user andrewor14 opened a pull request:
https://github.com/apache/spark/pull/11972
[SPARK-14013][SQL] Proper temp function support in catalog
## What changes were proposed in this pull request?
Session catalog was added in #11750. However, it doesn't really support
temporary functions properly; right now we only store the metadata in the form
of `CatalogFunction`, but this doesn't make sense for temporary functions
because there is no class name.
This patch moves the `FunctionRegistry` into the `SessionCatalog`. With
this, the user can call `catalog.createTempFunction` and
`catalog.lookupFunction` to use the function they registered previously. This
is currently still dead code, however.
## How was this patch tested?
`SessionCatalogSuite`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/andrewor14/spark temp-functions
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11972.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 #11972
----
commit aace47cca0577890d5bc51869533425e250fcc6d
Author: Andrew Or <[email protected]>
Date: 2016-03-25T22:59:55Z
Pass FunctionRegistry into SessionCatalog
commit 238d3921e87f4a01f2335efbd1d178c612b3df4c
Author: Andrew Or <[email protected]>
Date: 2016-03-25T23:56:28Z
Fix tests
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