[teiid-issues] [JBoss JIRA] (TEIID-2152) MERGE support
Mark Addleman (JIRA)
jira-events at lists.jboss.org
Mon Jan 14 16:11:21 EST 2013
[ https://issues.jboss.org/browse/TEIID-2152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12745769#comment-12745769 ]
Mark Addleman commented on TEIID-2152:
--------------------------------------
Is a draft reference guide available? I'd like to understand how this works without pushdown and KEY support
> MERGE support
> -------------
>
> Key: TEIID-2152
> URL: https://issues.jboss.org/browse/TEIID-2152
> Project: Teiid
> Issue Type: Feature Request
> Components: Query Engine
> Reporter: Mark Addleman
> Assignee: Steven Hawkins
> Fix For: 8.3
>
>
> Support for functionality similar to H2's MERGE command: http://www.h2database.com/html/grammar.html?highlight=merge&search=merge#merge
> I don't know if there is a SQL standard for this and I don't care if the command is identical to H2's. I'm mostly interested in a single command to support somewhat atomic* "if pkey exists then update else insert" operation
> * somewhat atomic = this doesn't have to be entirely atomic but, to the degree the data source supports the equivalent of a MERGE or JTA
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