[teiid-issues] [JBoss JIRA] (TEIID-5977) There should be a way to push down a virtual function defined in ddl
Steven Hawkins (Jira)
issues at jboss.org
Fri Jul 24 11:02:05 EDT 2020
[ https://issues.redhat.com/browse/TEIID-5977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14293845#comment-14293845 ]
Steven Hawkins commented on TEIID-5977:
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Thinking about it some more, it might need to be bi-directional - to add support for source functions automatically added by translators using a virtual function you would either need a similar declaration on the virtual function or issue an alter against the source function. I'll see if the latter can work to keep things simple.
> There should be a way to push down a virtual function defined in ddl
> --------------------------------------------------------------------
>
> Key: TEIID-5977
> URL: https://issues.redhat.com/browse/TEIID-5977
> Project: Teiid
> Issue Type: Enhancement
> Components: Query Engine
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Priority: Major
> Fix For: 15.0
>
> Original Estimate: 6 hours
> Time Spent: 2 hours
> Remaining Estimate: 4 hours
>
> If you create a function that is defined in ddl, it currently requires that a translator be extended to add a pushdown function and handling. It would be better if there were a way to do this entirely in ddl. This could be either/or:
> 1. when the function is defined by an expression rather than a more complex procedure statement, we should check to see if that can be inlined.
> 2. provide a way to match source functions.
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