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https://issues.apache.org/jira/browse/ASTERIXDB-2884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ian Maxon resolved ASTERIXDB-2884.
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Resolution: Fixed
> Nested UDF calls with constant argument NPEs
> --------------------------------------------
>
> Key: ASTERIXDB-2884
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-2884
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: FUN - Functions
> Affects Versions: 0.9.7
> Reporter: Luke Ren
> Assignee: Dmitry Lychagin
> Priority: Major
> Fix For: 0.9.7
>
>
> If you have a Python UDF with a body like:
> {code:python}
> def echo(a):
> return a
> {code}
> And then define and subsequently call it as a SQL++ UDF nested within itself
> with a constant argument like so:
> {code:sql}
> SELECT echo(echo(5))
> {code}
> A NPE is thrown.
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