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From "Dmitry Lychagin (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ASTERIXDB-1951) Cleanup type constructor functions
Date Fri, 23 Jun 2017 16:52:00 GMT

     [ https://issues.apache.org/jira/browse/ASTERIXDB-1951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dmitry Lychagin resolved ASTERIXDB-1951.
----------------------------------------
    Resolution: Fixed

> Cleanup type constructor functions
> ----------------------------------
>
>                 Key: ASTERIXDB-1951
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-1951
>             Project: Apache AsterixDB
>          Issue Type: Improvement
>          Components: FUN - Functions
>            Reporter: Dmitry Lychagin
>
> 1) Currently primitive type constructor functions behavior is inconsistent when input
value has the same type as the constructed type.
> Constructor functions for 'string' and 'binary' types allow input value to be 'string'/'binary'
and just return it as is, while other functions raise type mismatch exception.
> We should make sure that all constructor functions for primitive types pass through values
of their respective types.
> 2) Current implementation for 'null' type constructor function is incorrect. It returns
'missing' instead of 'null'. Moreover it's unclear whether this function is necessary at all,
because
> - we already have a keyword for creating 'null's 
> - the function only accepts one string value: 'null', while raising error for all other
strings. 
> The proposal is to remove this type constructor function from the function library



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