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https://issues.apache.org/jira/browse/TRAFODION-3216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16649558#comment-16649558
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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_r225014757
--- Diff: core/sql/executor/ExExeUtilLoad.cpp ---
@@ -3288,6 +3288,45 @@ short ExExeUtilLobExtractTcb::work()
return 0;
}
+
+short ExExeUtilLobExtractLibrary(ExeCliInterface *cliInterface,char
*libHandle, char *cachedLibName,ComDiagsArea *toDiags)
+{
+ char buf[1000];
+ Int32 cliRC =0;
+ str_sprintf(buf, "extract lobtofile(LOB
'%s','%s');",libHandle,cachedLibName);
+
+
+ cliRC = cliInterface->fetchRowsPrologue(buf, TRUE/*no exec*/);
+ if (cliRC < 0)
+ {
+ cliInterface->retrieveSQLDiagnostics(toDiags);
--- End diff --
Now that I have a better understanding of how diags areas work, is toDiags
always guaranteed to be not NULL? That is, should you call
allocAndRetrieveSQLDiagnostics? The reason I mentioned this is that I am in
the process of fixing an issue in ExExeUtilGet where the diags pointer is NULL
and the code does a retrieveSQLDiags instead of allocAndRetrieve ..
> 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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