[postgis-devel] What's the difference between geom_accum andbuilt in postgresql array_append

[Mark Cave-Ayland]

Paul Ramsey wrote:
>> Yeah, that's one good argument. The reason the 8.3 changes hit us so hard
>> were because we were accessing the varlena structures directly rather than
>> using the relevant macros :(
> 
> Speaking of which, I see those damned macros sprinkled hither and yon,
> but I have no idea where they are documented. PgSQL source code only?
> It would be nice to know what they do.
> 
> P.

Yeah, it's generally a case of "read the source" :(  While it can be 
tricky to find the relevant header file, the macros are generally well 
documented when you do find them.


ATB,

Mark.

-- 
Mark Cave-Ayland
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