mirror of
https://git.osgeo.org/gitea/postgis/postgis
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7f35d8de48
git-svn-id: http://svn.osgeo.org/postgis/trunk@12058 b70326c6-7e19-0410-871a-916f4a2858ee
103 lines
5.5 KiB
PL/PgSQL
103 lines
5.5 KiB
PL/PgSQL
-----------------------------------------------------------------------
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-- $Id$
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--
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-- Copyright (c) 2010 Mateusz Loskot <mateusz@loskot.net>
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-- Copyright (C) 2011 Regents of the University of California
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-- <bkpark@ucdavis.edu>
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--
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-- This program is free software; you can redistribute it and/or
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-- modify it under the terms of the GNU General Public License
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-- as published by the Free Software Foundation; either version 2
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-- of the License, or (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software Foundation,
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-- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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-----------------------------------------------------------------------
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SET client_min_messages TO warning;
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-----------------------------------------------------------------------
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--- Test RASTER_OVERVIEWS
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-----------------------------------------------------------------------
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-- Check table exists
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SELECT c.relname FROM pg_class c, pg_views v
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WHERE c.relname = v.viewname
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AND v.viewname = 'raster_overviews';
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-----------------------------------------------------------------------
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--- Test AddOverviewConstraints and DropOverviewConstraints
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-----------------------------------------------------------------------
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DROP TABLE IF EXISTS test_raster_columns;
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CREATE TABLE test_raster_columns (
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rid integer,
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rast raster
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);
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DROP TABLE IF EXISTS test_raster_overviews;
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CREATE OR REPLACE FUNCTION make_test_raster(
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rid integer,
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width integer DEFAULT 2,
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height integer DEFAULT 2,
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ul_x double precision DEFAULT 0,
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ul_y double precision DEFAULT 0,
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skew_x double precision DEFAULT 0,
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skew_y double precision DEFAULT 0,
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initvalue double precision DEFAULT 1,
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nodataval double precision DEFAULT 0
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)
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RETURNS void
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AS $$
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DECLARE
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x int;
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y int;
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rast raster;
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BEGIN
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rast := ST_MakeEmptyRaster(width, height, ul_x, ul_y, 1, 1, skew_x, skew_y, 0);
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rast := ST_AddBand(rast, 1, '8BUI', initvalue, nodataval);
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INSERT INTO test_raster_columns VALUES (rid, rast);
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RETURN;
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END;
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$$ LANGUAGE 'plpgsql';
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-- no skew
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SELECT make_test_raster(0, 2, 2, -2, -2);
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SELECT make_test_raster(1, 2, 2, 0, 0, 0, 0, 2);
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SELECT make_test_raster(2, 2, 2, 1, -1, 0, 0, 3);
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SELECT make_test_raster(3, 2, 2, 1, 1, 0, 0, 4);
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SELECT make_test_raster(4, 2, 2, 2, 2, 0, 0, 5);
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SELECT *
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INTO test_raster_overviews
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FROM test_raster_columns;
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SELECT r_table_name, r_raster_column, srid, scale_x, scale_y, blocksize_x, blocksize_y, same_alignment, regular_blocking, num_bands, pixel_types, nodata_values, ST_AsEWKT(extent) FROM raster_columns WHERE r_table_name IN ('test_raster_columns', 'test_raster_overviews') ORDER BY r_table_name, r_raster_column;
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SELECT o_table_name, o_raster_column, r_table_name, r_raster_column, overview_factor FROM raster_overviews WHERE o_table_name = 'test_raster_overviews';
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SELECT AddRasterConstraints(current_schema(), 'test_raster_columns', 'rast'::name);
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SELECT r_table_name, r_raster_column, srid, scale_x, scale_y, blocksize_x, blocksize_y, same_alignment, regular_blocking, num_bands, pixel_types, nodata_values, ST_AsEWKT(extent) FROM raster_columns WHERE r_table_name IN ('test_raster_columns', 'test_raster_overviews') ORDER BY r_table_name, r_raster_column;
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SELECT o_table_name, o_raster_column, r_table_name, r_raster_column, overview_factor FROM raster_overviews WHERE o_table_name = 'test_raster_overviews';
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SELECT AddOverviewConstraints('test_raster_overviews', 'rast', 'test_raster_columns', 'rast', 1);
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SELECT r_table_name, r_raster_column, srid, scale_x, scale_y, blocksize_x, blocksize_y, same_alignment, regular_blocking, num_bands, pixel_types, nodata_values, ST_AsEWKT(extent) FROM raster_columns WHERE r_table_name IN ('test_raster_columns', 'test_raster_overviews') ORDER BY r_table_name, r_raster_column;
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SELECT o_table_name, o_raster_column, r_table_name, r_raster_column, overview_factor FROM raster_overviews WHERE o_table_name = 'test_raster_overviews';
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SELECT DropOverviewConstraints(current_schema(), 'test_raster_overviews', 'rast');
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SELECT r_table_name, r_raster_column, srid, scale_x, scale_y, blocksize_x, blocksize_y, same_alignment, regular_blocking, num_bands, pixel_types, nodata_values, ST_AsEWKT(extent) FROM raster_columns WHERE r_table_name IN ('test_raster_columns', 'test_raster_overviews') ORDER BY r_table_name, r_raster_column;
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SELECT o_table_name, o_raster_column, r_table_name, r_raster_column, overview_factor FROM raster_overviews WHERE o_table_name = 'test_raster_overviews';
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SELECT DropRasterConstraints(current_schema(), 'test_raster_columns', 'rast'::name);
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SELECT r_table_name, r_raster_column, srid, scale_x, scale_y, blocksize_x, blocksize_y, same_alignment, regular_blocking, num_bands, pixel_types, nodata_values, ST_AsEWKT(extent) FROM raster_columns WHERE r_table_name IN ('test_raster_columns', 'test_raster_overviews') ORDER BY r_table_name, r_raster_column;
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SELECT o_table_name, o_raster_column, r_table_name, r_raster_column, overview_factor FROM raster_overviews WHERE o_table_name = 'test_raster_overviews';
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DROP FUNCTION make_test_raster(integer, integer, integer, double precision, double precision, double precision, double precision, double precision, double precision);
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DROP TABLE IF EXISTS test_raster_overviews;
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DROP TABLE IF EXISTS test_raster_columns;
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