rtree_gist.out

来自「PostgreSQL7.4.6 for Linux」· OUT 代码 · 共 56 行

--
-- first, define the datatype.  Turn off echoing so that expected file
-- does not depend on contents of seg.sql.
--
\set ECHO none
CREATE TABLE boxtmp (b box);
\copy boxtmp from 'data/test_box.data'
SELECT count(*)
FROM boxtmp
WHERE b && '(1000,1000,0,0)'::box;
 count 
-------
     2
(1 row)

CREATE INDEX bix ON boxtmp USING rtree (b);
SELECT count(*)
FROM boxtmp
WHERE b && '(1000,1000,0,0)'::box;
 count 
-------
     2
(1 row)

DROP INDEX bix;
CREATE INDEX bix ON boxtmp USING gist (b);
SELECT count(*)
FROM boxtmp
WHERE b && '(1000,1000,0,0)'::box;
 count 
-------
     2
(1 row)

CREATE TABLE polytmp (p polygon);
\copy polytmp from 'data/test_box.data'
CREATE INDEX pix ON polytmp USING rtree (p);
SELECT count(*)
FROM polytmp
WHERE p && '(1000,1000),(0,0)'::polygon;
 count 
-------
     2
(1 row)

DROP INDEX pix;
CREATE INDEX pix ON polytmp USING gist (p);
SELECT count(*)
FROM polytmp
WHERE p && '(1000,1000),(0,0)'::polygon;
 count 
-------
     2
(1 row)