[postgis-users] st_summary meanings

[Mark Cave-Ayland]

Rhys A.D. Stewart wrote:

> Hi all,
> 
> what do the letters in the square brackets signify in
> st_summary....the docs aren't to clear on that.
> 
> 
> Rhys

Hi Rhys,

 From the source code:

if ( TYPE_HASZ(type) ) flags[flagno++] = 'Z';
if ( TYPE_HASM(type) ) flags[flagno++] = 'M';
if ( TYPE_HASBBOX(type) ) flags[flagno++] = 'B';
if ( TYPE_HASSRID(type) ) flags[flagno++] = 'S';


HTH,

Mark.

-- 
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
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