[postgis-devel] ST_GetValues()

Paul Ramsey pramsey at cleverelephant.ca
Fri Apr 16 10:04:40 PDT 2021

> On Apr 16, 2021, at 10:01 AM, Regina Obe <lr at pcorp.us> wrote:
>> See, I'm not so crazy after all...! The opposite of burning geometry
> values
>> into a raster (ST_SetValues()) is reading raster values into a geometry
>> (ST_GetValues())
>> ???? ;)
>> P
> [Regina Obe] Not crazy just a little bit misguided.
> ST_GetValues implies you are returning values but you are returning a
> geometry 
> and besides we never use the term Get in PostGIS.
> It's always ST_Value, ST_X, ST_Y etc.  You don't see a ST_GetX for example.
> And when it returns a set of stuff, we often use the term ST_DumpWhatever.
> Speaking of which I forgot to ask if this is a set returning function.  I
> assume not and you'd return a collection in cases where it's relevant?

It returns what you put in. Whatever geometry you put in, you get out, with an extra Z or M dimension.


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