ST_SpatialGridIndex
Create a grid table.
Syntax
ST_SpatialGridIndex(gridsize [, debug[, srid]])
- gridsize
- The grid size in degrees. Possible values:
1 0.1 0.01
Type: DOUBLE
- debug
- Whether to enable debug messages and preserve all intermediate tables.
Type: BOOLEAN
Default: FALSE
- srid
- The SRID used to initialize the grid.
Type: INTEGER
Returns
This function returns two outputs:
- A value of type INTEGER that is 0 if the function was successful or 1 if an error occurred.
- A grid table with one row for ...? Each row of the output table has the following columns:
- ???
- ???
Examples
set PATH=inza.inza;
call inza..ST_SPATIALGRIDINDEX(1,'FALSE',4326); select count(*) from
grid_one_geometries; drop table grid_one_geometries;
call inza..ST_SPATIALGRIDINDEX(0.1,'FALSE',4326); select count(*) from
grid_point1_geometries; drop table grid_point1_geometries;
ST_SPATIALGRIDINDEX
---------------------
0
(1 row)
COUNT
-------
64800
(1 row)
ST_SPATIALGRIDINDEX
---------------------
0
(1 row)
COUNT
---------
6480000
(1 row)