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From "Robert Stupp (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-7812) DROP FUNCTION drops all function with a given name
Date Mon, 01 Sep 2014 13:22:21 GMT


Robert Stupp updated CASSANDRA-7812:
    Attachment: 7812.txt

> DROP FUNCTION drops all function with a given name
> --------------------------------------------------
>                 Key: CASSANDRA-7812
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Sylvain Lebresne
>            Assignee: Robert Stupp
>             Fix For: 3.0
>         Attachments: 7812.txt
> We support multiple overloads of a given function name, so that you can define:
> {noformat}
> CREATE FUNCTION div(int a, int b) RETURNS int 'myDivOnIntegerFct';
> CREATE FUNCTION div(double a, double b) RETURNS double 'myDivOnDoubleFct';
> {noformat}
> In other words, a function is uniquely identified by it's name *and* it's argument types.
> But the {{DROP FUNCTION}} syntax currently only take a function name and if there is
multiple overload for that name, drop all of them without any way to drop one without the
> So we should probably allow to optionally pass the type arguments to DROP to select a
specific overloading, something like:
> {noformat}
> DROP FUNCTION div(double, double);
> {noformat}
> Also, and while that's probably debatable, I'd also suggest to change the behavior of:
> {noformat}
> {noformat}
> to complain if the there is multiple overload of the {{div}} method instead of dropping
all overload as it feels somewhat foot-shooting otherwise.

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