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https://issues.apache.org/jira/browse/ASTERIXDB-2566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17003808#comment-17003808
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Michael J. Carey commented on ASTERIXDB-2566:
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Perhaps Glenn Galvizo at UCI can do these as part of the work he's doing
related to types and functions... :-)
> Missing type functions for use in SQL++
> ---------------------------------------
>
> Key: ASTERIXDB-2566
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-2566
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: DOC - Documentation, FUN - Functions, SQL - Translator
> SQL++
> Affects Versions: 0.9.4.1
> Reporter: Michael J. Carey
> Assignee: Till Westmann
> Priority: Major
> Fix For: 0.9.4.2
>
>
> (Initially reported by AsterixDB user Nick Digeronimo)
> The AsterixDB docs seem to be missing type identification functions for some
> types. For example, there is no "is_date" function. In fact, there are a
> number of missing type checks for types date, datetime, time, duration, and
> possibly more. A generic "get_type" method might be helpful to solve this
> problem.
> The type functions are listed on the AsterixDB help page:
> [https://asterixdb.apache.org/docs/0.9.4/sqlpp/builtins.html#TypeFunctions]
> We should have an is_XXX function for each of the supported primitive types
> plus each of the structured types.
> We should also have the suggested get_type function (name TBD), e.g., which
> would take a value in and return the string name of its type.
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