[teiid-issues] [JBoss JIRA] (TEIID-2675) Ensure that user defined aggregate functions don't require additional syntax

Thu Sep 26 16:17:02 EDT 2013

     [ https://issues.jboss.org/browse/TEIID-2675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-2675.
-----------------------------------

    Resolution: Done

Took the approach of just tracking if a user defined aggregate has been found and then doing a focused rewrite after resolving.  All downstream logic is unaffected and we don't have to retrofit expression mapping into resolving in general.

> Ensure that user defined aggregate functions don't require additional syntax
> ----------------------------------------------------------------------------
>
>                 Key: TEIID-2675
>                 URL: https://issues.jboss.org/browse/TEIID-2675
>             Project: Teiid
>          Issue Type: Quality Risk
>          Components: Query Engine
>    Affects Versions: 8.0
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 8.6
>
>
> User defined aggregates require additional syntax if they look like simple functions.  This is not ideal, but was not addressed initially due to the lack of effective rewrite support in the resolver and all of the logic that is built around the differentiation between Function and AggregateSymbol classes.

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