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Maryann Xue commented on PHOENIX-3355:
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Hey, [~jamestaylor], one question, since we are going to implement a function
resolving mechanism for both UDF (real) and built-in functions (for which we
register as UDFs in Calcite), which takes precedence? Should (real) UDF
override built-in function if it happens to have the same signature?
> Register Phoenix built-in functions as Calcite functions
> --------------------------------------------------------
>
> Key: PHOENIX-3355
> URL: https://issues.apache.org/jira/browse/PHOENIX-3355
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: Eric Lomore
> Labels: calcite
>
> We should register all Phoenix built-in functions that don't exist in Calcite.
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