Re: Getting the results columns before execution

Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
>> Tom Lane wrote:
>>>> Are those exposed through the libpq interface?
>>> 
>>> No, because libpq doesn't really have any concept of prepared statements.
>>> It would probably make sense to add some more API to libpq to allow
>>> creation and interrogation of prepared statements, but no one's got
>>> around to that yet.
> 
>> Uh, if libpq doesn't know about it, how is that information accessed?
> 
> That's exactly the problem...

Currently the only way to do that would be to have a user defined 
function that calls SPI_prepare() with the query string and returns the 
desired information to the client.


Jan

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