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			70 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| #
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| # test of rtree (using with spatial data)
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| #
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| --disable_warnings
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| DROP TABLE IF EXISTS t1, t2;
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| --enable_warnings
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| 
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| CREATE TABLE t1 (
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|   fid INT NOT NULL AUTO_INCREMENT PRIMARY KEY, 
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|   g GEOMETRY NOT NULL,
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|   SPATIAL KEY(g)
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| ) TYPE=MyISAM;
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| 
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| SHOW CREATE TABLE t1;
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| 
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| let $1=150;
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| let $2=150;
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| while ($1)
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| {
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|   eval INSERT INTO t1 (g) VALUES (GeomFromText('LineString($1 $1, $2 $2)'));
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|   dec $1;
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|   inc $2;
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| }
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| 
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| SELECT count(*) FROM t1;
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| EXPLAIN SELECT fid, AsText(g) FROM t1 WHERE Within(g, GeomFromText('Polygon((140 140,160 140,160 160,140 160,140 140))'));
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| SELECT fid, AsText(g) FROM t1 WHERE Within(g, GeomFromText('Polygon((140 140,160 140,160 160,140 160,140 140))'));
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| 
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| DROP TABLE t1;
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| 
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| CREATE TABLE t2 (
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|   fid INT NOT NULL AUTO_INCREMENT PRIMARY KEY, 
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|   g GEOMETRY NOT NULL
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| ) TYPE=MyISAM;
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| 
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| let $1=10;
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| while ($1)
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| {
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|   let $2=10;
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|   while ($2)
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|   {
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|     eval INSERT INTO t2 (g) VALUES (GeometryFromWKB(LineString(Point($1 * 10 - 9, $2 * 10 - 9), Point($1 * 10, $2 * 10))));
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|     dec $2;
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|   }
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|   dec $1;
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| }
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| 
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| ALTER TABLE t2 ADD SPATIAL KEY(g);
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| SHOW CREATE TABLE t2;
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| SELECT count(*) FROM t2;
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| EXPLAIN SELECT fid, AsText(g) FROM t2 WHERE Within(g, 
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|   GeomFromText('Polygon((40 40,60 40,60 60,40 60,40 40))'));
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| SELECT fid, AsText(g) FROM t2 WHERE Within(g, 
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|   GeomFromText('Polygon((40 40,60 40,60 60,40 60,40 40))'));
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| 
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| let $1=10;
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| while ($1)
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| {
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|   let $2=10;
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|   while ($2)
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|   {
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|     eval DELETE FROM t2 WHERE Within(g, Envelope(GeometryFromWKB(LineString(Point($1 * 10 - 9, $2 * 10 - 9), Point($1 * 10, $2 * 10)))));
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|     SELECT count(*) FROM t2;
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|     dec $2;
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|   }
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|   dec $1;
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| }
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| 
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| DROP TABLE t2;
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