pggeodb.nancy.inra.fr/db_cefs - db_cefs on pggeodb.nancy.inra.fr

Function: _st_count

Schema

public

Owner

postgres

Descriptions

There is no description for function _st_count

Options

Definition

CREATE OR REPLACE FUNCTION public._st_count (
 rast public.raster,
 nband integer = 1,
 exclude_nodata_value boolean = true,
 sample_percent double precision = 1
)
RETURNS bigint AS
$span$
DECLARE
rtn bigint;
BEGIN
IF exclude_nodata_value IS FALSE THEN
SELECT width * height INTO rtn FROM ST_Metadata(rast);
ELSE
SELECT count INTO rtn FROM _st_summarystats($1, $2, $3, $4);
END IF;

RETURN rtn;
END;
$span$
LANGUAGE 'plpgsql'
IMMUTABLE
RETURNS NULL ON NULL INPUT
SECURITY INVOKER
COST 100;

This file was generated with SQL Manager for PostgreSQL (www.pgsqlmanager.com) at 13/03/2014 13:23