Re: proposal sql: labeled function params

2008/8/15 Peter Eisentraut <peter_e@gmx.net>:
> Am Thursday, 14. August 2008 schrieb Pavel Stehule:
>> I propose enhance current syntax that allows to specify label for any
>> function parameter:
>>
>> fcename(expr [as label], ...)
>> fcename(colname, ...)
>>
>> I would to allow  same behave of custom functions like xmlforest function:
>> postgres=# select xmlforest(a) from foo;
>>  xmlforest
>> -----------
>>  <a>10</a>
>> (1 row)
>
> Do you have a use case for this outside of XML?
>

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Pavel