database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-28 23:42:10 +03:00
Code Activity

Start adding tests for new geometry functions.

Browse Source 
Not all cleaned up yet.
This commit is contained in:
Thomas G. Lockhart
1997-07-29 16:22:48 +00:00
parent c5035643af
commit 3d5dd9bdd9
5 changed files with 109 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

115
src/test/regress/sql/geometry.sql
View File

@ -2,20 +2,54 @@
-- Points
--
SELECT point(f1) FROM CIRCLE_TBL;
SELECT '' AS xxx, center(f1) AS center
FROM BOX_TBL;
SELECT '' AS xxx, (@@ f1) AS center
FROM BOX_TBL;
SELECT '' AS xxx, point(f1) AS center
FROM CIRCLE_TBL;
SELECT '' AS xxx, (@@ f1) AS center
FROM CIRCLE_TBL;
SELECT '' AS xxx, (@@ f1) AS center
FROM POLYGON_TBL
WHERE (# f1) > 2;
-- "is horizontal" function
SELECT '' AS two, p1.f1
FROM POINT_TBL p1
WHERE ishorizontal(p1.f1, '(0,0)'::point);
FROM POINT_TBL p1
WHERE ishorizontal(p1.f1, '(0,0)'::point);
-- "is horizontal" operator
SELECT '' AS two, p1.f1
FROM POINT_TBL p1
WHERE p1.f1 ?- '(0,0)'::point;
-- "is vertical" function
SELECT '' AS one, p1.f1
FROM POINT_TBL p1
WHERE isvertical(p1.f1, '(5.1,34.5)'::point);
FROM POINT_TBL p1
WHERE isvertical(p1.f1, '(5.1,34.5)'::point);
-- "is vertical" operator
SELECT '' AS one, p1.f1
FROM POINT_TBL p1
WHERE p1.f1 ?| '(5.1,34.5)'::point;
--
-- Line segments
--
-- intersection
SELECT '' AS xxx, p.f1, l.s, l.s # p.f1 AS intersection
FROM LSEG_TBL l, POINT_TBL p;
-- closest point
SELECT '' AS xxx, p.f1, l.s, p.f1 ## l.s AS closest
FROM LSEG_TBL l, POINT_TBL p;
--
-- Lines
--
@ -24,17 +58,22 @@ SELECT '' AS one, p1.f1
-- Boxes
--
SELECT center(f1) FROM BOX_TBL;
SELECT box(f1) FROM CIRCLE_TBL;
SELECT box(f1) AS box FROM CIRCLE_TBL;
-- translation
SELECT '' AS count, b.f1 + p.f1
FROM BOX_TBL b, POINT_TBL p;
SELECT '' AS count, b.f1 + p.f1 AS translation
FROM BOX_TBL b, POINT_TBL p;
SELECT '' AS count, b.f1 - p.f1 AS translation
FROM BOX_TBL b, POINT_TBL p;
-- scaling and rotation
SELECT '' AS count, b.f1 * p.f1
FROM BOX_TBL b, POINT_TBL p;
SELECT '' AS count, b.f1 * p.f1 AS rotation
FROM BOX_TBL b, POINT_TBL p;
SELECT '' AS count, b.f1 / p.f1 AS rotation
FROM BOX_TBL b, POINT_TBL p
WHERE (p.f1 <-> '(0,0)'::point) >= 1;
--
-- Paths
@ -42,17 +81,17 @@ SELECT '' AS count, b.f1 * p.f1
SET geqo TO 'off';
SELECT points(f1) AS npoints, f1 AS path FROM PATH_TBL;
SELECT '' AS xxx, points(f1) AS npoints, f1 AS path FROM PATH_TBL;
SELECT path(f1) FROM POLYGON_TBL;
SELECT '' AS xxx, path(f1) FROM POLYGON_TBL;
-- translation
SELECT '' AS eight, p1.f1 + '(10,10)'::point AS dist_add
FROM PATH_TBL p1;
FROM PATH_TBL p1;
-- scaling and rotation
SELECT '' AS eight, p1.f1 * '(2,-1)'::point AS dist_mul
FROM PATH_TBL p1;
FROM PATH_TBL p1;
RESET geqo;
@ -60,28 +99,50 @@ RESET geqo;
-- Polygons
--
SELECT points(f1) AS npoints, f1 AS polygon FROM POLYGON_TBL;
-- containment
SELECT '' AS xxx, p.f1, poly.f1, poly.f1 ~ p.f1 AS contains
FROM POLYGON_TBL poly, POINT_TBL p;
SELECT polygon(f1) FROM BOX_TBL;
SELECT '' AS xxx, p.f1, poly.f1, p.f1 @ poly.f1 AS contained
FROM POLYGON_TBL poly, POINT_TBL p;
SELECT polygon(f1) FROM PATH_TBL WHERE isclosed(f1);
SELECT '' AS xxx, points(f1) AS npoints, f1 AS polygon
FROM POLYGON_TBL;
SELECT f1 AS open_path, polygon( pclose(f1)) AS polygon FROM PATH_TBL WHERE isopen(f1);
SELECT '' AS xxx, polygon(f1)
FROM BOX_TBL;
SELECT '' AS xxx, polygon(f1)
FROM PATH_TBL WHERE isclosed(f1);
SELECT '' AS xxx, f1 AS open_path, polygon( pclose(f1)) AS polygon
FROM PATH_TBL
WHERE isopen(f1);
-- convert circles to polygons using the default number of points
SELECT polygon(f1) FROM CIRCLE_TBL;
SELECT '' AS xxx, polygon(f1)
FROM CIRCLE_TBL;
-- convert the circle to an 8-point polygon
SELECT polygon(8, f1) FROM CIRCLE_TBL;
SELECT '' AS xxx, polygon(8, f1)
FROM CIRCLE_TBL;
--
-- Circles
--
SELECT circle( f1, 50.0) FROM POINT_TBL;
SELECT '' AS xxx, circle(f1, 50.0)
FROM POINT_TBL;
SELECT '' AS twentyfour, c1.f1 AS circle, p1.f1 AS point, (p1.f1 <===> c1.f1) AS distance
from CIRCLE_TBL c1, POINT_TBL p1
WHERE (p1.f1 <===> c1.f1) > 0
ORDER BY distance, circle;
SELECT '' AS xxx, circle(f1)
FROM BOX_TBL;
SELECT '' AS xxx, circle(f1)
FROM POLYGON_TBL
WHERE (# f1) >= 2;
SELECT '' AS twentyfour, c1.f1 AS circle, p1.f1 AS point, (p1.f1 <-> c1.f1) AS distance
FROM CIRCLE_TBL c1, POINT_TBL p1
WHERE (p1.f1 <-> c1.f1) > 0
ORDER BY distance, circle;