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?
>
JSON and similar (custom) protocols
Pavel