Re: Aggregates with internal state type?

Hi, Tom,

Tom Lane wrote:

>> Ah, I see. So there's no possibility to pass some void* kind of
>> intermediate data, I have to craft at least a dummy PostgreSQL datatype
>> for it.
> 
> Right.  My first thought would be to use bytea as the declared type ---
> doesn't put much burden on you except to have a length word at the front.

Yes, that will work for C, and I'll have a look into it. Good idea.

I had the secret hope that I'd come up with a scheme that also works
using pljava, avoiding the serialization and reserialization of java
objects. But I'm afraid that this gets more difficult.

Markus
-- 
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

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