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https://issues.apache.org/jira/browse/TRAFODION-3216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16649559#comment-16649559
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ASF GitHub Bot commented on TRAFODION-3216:
-------------------------------------------
Github user robertamarton commented on a diff in the pull request:
https://github.com/apache/trafodion/pull/1721#discussion_r225014835
--- Diff: core/sql/optimizer/UdfDllInteraction.cpp ---
@@ -136,6 +137,64 @@ NABoolean
TMUDFDllInteraction::describeParamsAndMaxOutputs(
bindWA->setErrStatus();
return FALSE;
}
+ NAString externalPath, container;
+
+ // If the library is old style (no blob) and it's not a predfined udf
with no entry in metadata
+ // i.e redeftime of library is not -1
+ if( routine->getLibRedefTime() !=-1)
+ {
+ // Cache library locally.
+ NAString dummyUser;
+ NAString libOrJarName;
+ NAString cachedLibName,cachedLibPath;
+ if (routine->getLanguage() == COM_LANGUAGE_JAVA)
+ libOrJarName = routine->getExternalPath();
+ else
+ libOrJarName = routine->getContainerName();
+ if(ComGenerateUdrCachedLibName(libOrJarName.data(),
--- End diff --
This code looks a lot like ExUdr.cpp. Is it similar enough to create a
subprocedure that both can call?
> UDR libraries need to be stored in metadata table as a blob
> -----------------------------------------------------------
>
> Key: TRAFODION-3216
> URL: https://issues.apache.org/jira/browse/TRAFODION-3216
> Project: Apache Trafodion
> Issue Type: Improvement
> Components: sql-general
> Affects Versions: 2.4
> Reporter: Sandhya Sundaresan
> Assignee: Sandhya Sundaresan
> Priority: Major
> Fix For: 2.4
>
> Attachments: Support for LOB storage in metadata for UDR
> libraries.docx
>
>
> This is one of many infrastructure changes for SPJs that was planned.
> * {color:#0070c0}Store UDR libraries in BLOBs {color}
> * {color:#0070c0}Add BLOB column to library metadata table{color}
> * {color:#0070c0}Change CREATE LIBRARY command to store library in
> BLOB{color}
> * {color:#0070c0}Change library file names to include the timestamp (so
> updating a library changes the name){color}
> * {color:#0070c0}Add a cache for libraries (a new directory,
> $TRAF_HOME/udr/public/lib){color}
> * {color:#0070c0}Change UDR code to read library from the metadata table
> when not in cache{color}
> * {color:#0070c0}Upgrade support{color}
>
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