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geometry.out
资源名称：postgresql-6.5.2.tar.gz　[点击查看]
上传用户：blenddy
上传日期：2007-01-07
资源大小：6495k
文件大小：23k
源码类别：

数据库系统

开发平台：

Unix_Linux

geometry.out：源码内容
  1. QUERY: SELECT '' AS four, center(f1) AS center
  2.    FROM BOX_TBL;
  3. four|center 
  4. ----+-------
  5.     |(1,1)  
  6.     |(2,2)  
  7.     |(2.5,3)
  8.     |(3,3)  
  9. (4 rows)
  11. QUERY: SELECT '' AS four, (@@ f1) AS center
  12.    FROM BOX_TBL;
  13. four|center 
  14. ----+-------
  15.     |(1,1)  
  16.     |(2,2)  
  17.     |(2.5,3)
  18.     |(3,3)  
  19. (4 rows)
  21. QUERY: SELECT '' AS six, point(f1) AS center
  22.    FROM CIRCLE_TBL;
  23. six|center   
  24. ---+---------
  25.    |(0,0)    
  26.    |(1,2)    
  27.    |(1,3)    
  28.    |(1,2)    
  29.    |(100,200)
  30.    |(100,0)  
  31. (6 rows)
  33. QUERY: SELECT '' AS six, (@@ f1) AS center
  34.    FROM CIRCLE_TBL;
  35. six|center   
  36. ---+---------
  37.    |(0,0)    
  38.    |(1,2)    
  39.    |(1,3)    
  40.    |(1,2)    
  41.    |(100,200)
  42.    |(100,0)  
  43. (6 rows)
  45. QUERY: SELECT '' AS two, (@@ f1) AS center
  46.    FROM POLYGON_TBL
  47.    WHERE (# f1) > 2;
  48. two|center                             
  49. ---+-----------------------------------
  50.    |(1.33333333333333,1.33333333333333)
  51.    |(2.33333333333333,1.33333333333333)
  52. (2 rows)
  54. QUERY: SELECT '' AS two, p1.f1
  55.    FROM POINT_TBL p1
  56.    WHERE ishorizontal(p1.f1, '(0,0)'::point);
  57. two|f1     
  58. ---+-------
  59.    |(0,0)  
  60.    |(-10,0)
  61. (2 rows)
  63. QUERY: SELECT '' AS two, p1.f1
  64.    FROM POINT_TBL p1
  65.    WHERE p1.f1 ?- '(0,0)'::point;
  66. two|f1     
  67. ---+-------
  68.    |(0,0)  
  69.    |(-10,0)
  70. (2 rows)
  72. QUERY: SELECT '' AS one, p1.f1
  73.    FROM POINT_TBL p1
  74.    WHERE isvertical(p1.f1, '(5.1,34.5)'::point);
  75. one|f1        
  76. ---+----------
  77.    |(5.1,34.5)
  78. (1 row)
  80. QUERY: SELECT '' AS one, p1.f1
  81.    FROM POINT_TBL p1
  82.    WHERE p1.f1 ?| '(5.1,34.5)'::point;
  83. one|f1        
  84. ---+----------
  85.    |(5.1,34.5)
  86. (1 row)
  88. QUERY: SELECT '' AS count, p.f1, l.s, l.s # p.f1 AS intersection
  89.    FROM LSEG_TBL l, POINT_TBL p;
  90. ERROR:  Unable to identify an operator '#' for types 'lseg' and 'point'
  91. You will have to retype this query using an explicit cast
  92. QUERY: SELECT '' AS thirty, p.f1, l.s, p.f1 ## l.s AS closest
  93.    FROM LSEG_TBL l, POINT_TBL p;
  94. thirty|f1        |s                            |closest                              
  95. ------+----------+-----------------------------+-------------------------------------
  96.       |(0,0)     |[(1,2),(3,4)]                |(1,2)                                
  97.       |(-10,0)   |[(1,2),(3,4)]                |(1,2)                                
  98.       |(-3,4)    |[(1,2),(3,4)]                |(1,2)                                
  99.       |(5.1,34.5)|[(1,2),(3,4)]                |(3,4)                                
  100.       |(-5,-12)  |[(1,2),(3,4)]                |(1,2)                                
  101.       |(10,10)   |[(1,2),(3,4)]                |(3,4)                                
  102.       |(0,0)     |[(0,0),(6,6)]                |(-0,0)                               
  103.       |(-10,0)   |[(0,0),(6,6)]                |(0,0)                                
  104.       |(-3,4)    |[(0,0),(6,6)]                |(0.5,0.5)                            
  105.       |(5.1,34.5)|[(0,0),(6,6)]                |(6,6)                                
  106.       |(-5,-12)  |[(0,0),(6,6)]                |(0,0)                                
  107.       |(10,10)   |[(0,0),(6,6)]                |(6,6)                                
  108.       |(0,0)     |[(10,-10),(-3,-4)]           |(-2.04878048780488,-4.4390243902439) 
  109.       |(-10,0)   |[(10,-10),(-3,-4)]           |(-3,-4)                              
  110.       |(-3,4)    |[(10,-10),(-3,-4)]           |(-3,-4)                              
  111.       |(5.1,34.5)|[(10,-10),(-3,-4)]           |(-3,-4)                              
  112.       |(-5,-12)  |[(10,-10),(-3,-4)]           |(-1.60487804878049,-4.64390243902439)
  113.       |(10,10)   |[(10,-10),(-3,-4)]           |(2.39024390243902,-6.48780487804878) 
  114.       |(0,0)     |[(-1000000,200),(300000,-40)]|(0.0028402365895872,15.384614860264) 
  115.       |(-10,0)   |[(-1000000,200),(300000,-40)]|(-9.99715942258202,15.3864610140473) 
  116.       |(-3,4)    |[(-1000000,200),(300000,-40)]|(-2.99789812267519,15.3851688427303) 
  117.       |(5.1,34.5)|[(-1000000,200),(300000,-40)]|(5.09647083221496,15.3836744976925)  
  118.       |(-5,-12)  |[(-1000000,200),(300000,-40)]|(-4.99494420845634,15.3855375281616) 
  119.       |(10,10)   |[(-1000000,200),(300000,-40)]|(10.000993741978,15.3827690473092)   
  120.       |(0,0)     |[(11,22),(33,44)]            |(11,22)                              
  121.       |(-10,0)   |[(11,22),(33,44)]            |(11,22)                              
  122.       |(-3,4)    |[(11,22),(33,44)]            |(11,22)                              
  123.       |(5.1,34.5)|[(11,22),(33,44)]            |(14.3,25.3)                          
  124.       |(-5,-12)  |[(11,22),(33,44)]            |(11,22)                              
  125.       |(10,10)   |[(11,22),(33,44)]            |(11,22)                              
  126. (30 rows)
  128. QUERY: SELECT '' as six, box(f1) AS box FROM CIRCLE_TBL;
  129. six|box                                                                       
  130. ---+--------------------------------------------------------------------------
  131.    |(2.12132034355964,2.12132034355964),(-2.12132034355964,-2.12132034355964) 
  132.    |(71.7106781186548,72.7106781186548),(-69.7106781186548,-68.7106781186548) 
  133.    |(4.53553390593274,6.53553390593274),(-2.53553390593274,-0.535533905932738)
  134.    |(3.12132034355964,4.12132034355964),(-1.12132034355964,-0.121320343559643)
  135.    |(107.071067811865,207.071067811865),(92.9289321881345,192.928932188135)   
  136.    |(170.710678118655,70.7106781186548),(29.2893218813452,-70.7106781186548)  
  137. (6 rows)
  139. QUERY: SELECT '' AS twentyfour, b.f1 + p.f1 AS translation
  140.    FROM BOX_TBL b, POINT_TBL p;
  141. twentyfour|translation            
  142. ----------+-----------------------
  143.           |(2,2),(0,0)            
  144.           |(3,3),(1,1)            
  145.           |(2.5,3.5),(2.5,2.5)    
  146.           |(3,3),(3,3)            
  147.           |(-8,2),(-10,0)         
  148.           |(-7,3),(-9,1)          
  149.           |(-7.5,3.5),(-7.5,2.5)  
  150.           |(-7,3),(-7,3)          
  151.           |(-1,6),(-3,4)          
  152.           |(0,7),(-2,5)           
  153.           |(-0.5,7.5),(-0.5,6.5)  
  154.           |(0,7),(0,7)            
  155.           |(7.1,36.5),(5.1,34.5)  
  156.           |(8.1,37.5),(6.1,35.5)  
  157.           |(7.6,38),(7.6,37)      
  158.           |(8.1,37.5),(8.1,37.5)  
  159.           |(-3,-10),(-5,-12)      
  160.           |(-2,-9),(-4,-11)       
  161.           |(-2.5,-8.5),(-2.5,-9.5)
  162.           |(-2,-9),(-2,-9)        
  163.           |(12,12),(10,10)        
  164.           |(13,13),(11,11)        
  165.           |(12.5,13.5),(12.5,12.5)
  166.           |(13,13),(13,13)        
  167. (24 rows)
  169. QUERY: SELECT '' AS twentyfour, b.f1 - p.f1 AS translation
  170.    FROM BOX_TBL b, POINT_TBL p;
  171. twentyfour|translation              
  172. ----------+-------------------------
  173.           |(2,2),(0,0)              
  174.           |(3,3),(1,1)              
  175.           |(2.5,3.5),(2.5,2.5)      
  176.           |(3,3),(3,3)              
  177.           |(12,2),(10,0)            
  178.           |(13,3),(11,1)            
  179.           |(12.5,3.5),(12.5,2.5)    
  180.           |(13,3),(13,3)            
  181.           |(5,-2),(3,-4)            
  182.           |(6,-1),(4,-3)            
  183.           |(5.5,-0.5),(5.5,-1.5)    
  184.           |(6,-1),(6,-1)            
  185.           |(-3.1,-32.5),(-5.1,-34.5)
  186.           |(-2.1,-31.5),(-4.1,-33.5)
  187.           |(-2.6,-31),(-2.6,-32)    
  188.           |(-2.1,-31.5),(-2.1,-31.5)
  189.           |(7,14),(5,12)            
  190.           |(8,15),(6,13)            
  191.           |(7.5,15.5),(7.5,14.5)    
  192.           |(8,15),(8,15)            
  193.           |(-8,-8),(-10,-10)        
  194.           |(-7,-7),(-9,-9)          
  195.           |(-7.5,-6.5),(-7.5,-7.5)  
  196.           |(-7,-7),(-7,-7)          
  197. (24 rows)
  199. QUERY: SELECT '' AS twentyfour, b.f1 * p.f1 AS rotation
  200.    FROM BOX_TBL b, POINT_TBL p;
  201. twentyfour|rotation                   
  202. ----------+---------------------------
  203.           |(0,0),(0,0)                
  204.           |(0,0),(0,0)                
  205.           |(0,0),(0,0)                
  206.           |(0,0),(0,0)                
  207.           |(-0,0),(-20,-20)           
  208.           |(-10,-10),(-30,-30)        
  209.           |(-25,-25),(-25,-35)        
  210.           |(-30,-30),(-30,-30)        
  211.           |(-0,2),(-14,0)             
  212.           |(-7,3),(-21,1)             
  213.           |(-17.5,2.5),(-21.5,-0.5)   
  214.           |(-21,3),(-21,3)            
  215.           |(0,79.2),(-58.8,0)         
  216.           |(-29.4,118.8),(-88.2,39.6) 
  217.           |(-73.5,104.1),(-108,99)    
  218.           |(-88.2,118.8),(-88.2,118.8)
  219.           |(14,-0),(0,-34)            
  220.           |(21,-17),(7,-51)           
  221.           |(29.5,-42.5),(17.5,-47.5)  
  222.           |(21,-51),(21,-51)          
  223.           |(0,40),(0,0)               
  224.           |(0,60),(0,20)              
  225.           |(0,60),(-10,50)            
  226.           |(0,60),(0,60)              
  227. (24 rows)
  229. QUERY: SELECT '' AS twenty, b.f1 / p.f1 AS rotation
  230.    FROM BOX_TBL b, POINT_TBL p
  231.    WHERE (p.f1 <-> '(0,0)'::point) >= 1;
  232. twenty|rotation                                                                         
  233. ------+---------------------------------------------------------------------------------
  234.       |(0,-0),(-0.2,-0.2)                                                               
  235.       |(-0.1,-0.1),(-0.3,-0.3)                                                          
  236.       |(-0.25,-0.25),(-0.25,-0.35)                                                      
  237.       |(-0.3,-0.3),(-0.3,-0.3)                                                          
  238.       |(0.08,-0),(0,-0.56)                                                              
  239.       |(0.12,-0.28),(0.04,-0.84)                                                        
  240.       |(0.26,-0.7),(0.1,-0.82)                                                          
  241.       |(0.12,-0.84),(0.12,-0.84)                                                        
  242.       |(0.0651176557643925,0),(0,-0.0483449262493217)                                   
  243.       |(0.0976764836465887,-0.0241724631246608),(0.0325588278821962,-0.0725173893739825)
  244.       |(0.109762715208919,-0.0562379754328844),(0.0813970697054906,-0.0604311578116521) 
  245.       |(0.0976764836465887,-0.0725173893739825),(0.0976764836465887,-0.0725173893739825)
  246.       |(-0,0.0828402366863905),(-0.201183431952663,0)                                   
  247.       |(-0.100591715976331,0.124260355029586),(-0.301775147928994,0.0414201183431953)   
  248.       |(-0.251479289940828,0.103550295857988),(-0.322485207100592,0.0739644970414201)   
  249.       |(-0.301775147928994,0.124260355029586),(-0.301775147928994,0.124260355029586)    
  250.       |(0.2,0),(0,0)                                                                    
  251.       |(0.3,0),(0.1,0)                                                                  
  252.       |(0.3,0.05),(0.25,0)                                                              
  253.       |(0.3,0),(0.3,0)                                                                  
  254. (20 rows)
  256. QUERY: SET geqo TO 'off';
  257. QUERY: SELECT '' AS eight, points(f1) AS npoints, f1 AS path FROM PATH_TBL;
  258. eight|npoints|path                     
  259. -----+-------+-------------------------
  260.      |      2|[(1,2),(3,4)]            
  261.      |      2|((1,2),(3,4))            
  262.      |      4|[(0,0),(3,0),(4,5),(1,6)]
  263.      |      2|((1,2),(3,4))            
  264.      |      2|((1,2),(3,4))            
  265.      |      2|[(1,2),(3,4)]            
  266.      |      2|[(11,12),(13,14)]        
  267.      |      2|((11,12),(13,14))        
  268. (8 rows)
  270. QUERY: SELECT '' AS four, path(f1) FROM POLYGON_TBL;
  271. four|path               
  272. ----+-------------------
  273.     |((2,0),(2,4),(0,0))
  274.     |((3,1),(3,3),(1,0))
  275.     |((0,0))            
  276.     |((0,1),(0,1))      
  277. (4 rows)
  279. QUERY: SELECT '' AS eight, p1.f1 + '(10,10)'::point AS dist_add
  280.    FROM PATH_TBL p1;
  281. eight|dist_add                         
  282. -----+---------------------------------
  283.      |[(11,12),(13,14)]                
  284.      |((11,12),(13,14))                
  285.      |[(10,10),(13,10),(14,15),(11,16)]
  286.      |((11,12),(13,14))                
  287.      |((11,12),(13,14))                
  288.      |[(11,12),(13,14)]                
  289.      |[(21,22),(23,24)]                
  290.      |((21,22),(23,24))                
  291. (8 rows)
  293. QUERY: SELECT '' AS eight, p1.f1 * '(2,-1)'::point AS dist_mul
  294.    FROM PATH_TBL p1;
  295. eight|dist_mul                    
  296. -----+----------------------------
  297.      |[(4,3),(10,5)]              
  298.      |((4,3),(10,5))              
  299.      |[(0,0),(6,-3),(13,6),(8,11)]
  300.      |((4,3),(10,5))              
  301.      |((4,3),(10,5))              
  302.      |[(4,3),(10,5)]              
  303.      |[(34,13),(40,15)]           
  304.      |((34,13),(40,15))           
  305. (8 rows)
  307. QUERY: RESET geqo;
  308. QUERY: SELECT '' AS twentyfour, p.f1, poly.f1, poly.f1 ~ p.f1 AS contains
  309.    FROM POLYGON_TBL poly, POINT_TBL p;
  310. twentyfour|f1        |f1                 |contains
  311. ----------+----------+-------------------+--------
  312.           |(0,0)     |((2,0),(2,4),(0,0))|t       
  313.           |(-10,0)   |((2,0),(2,4),(0,0))|f       
  314.           |(-3,4)    |((2,0),(2,4),(0,0))|f       
  315.           |(5.1,34.5)|((2,0),(2,4),(0,0))|f       
  316.           |(-5,-12)  |((2,0),(2,4),(0,0))|f       
  317.           |(10,10)   |((2,0),(2,4),(0,0))|f       
  318.           |(0,0)     |((3,1),(3,3),(1,0))|f       
  319.           |(-10,0)   |((3,1),(3,3),(1,0))|f       
  320.           |(-3,4)    |((3,1),(3,3),(1,0))|f       
  321.           |(5.1,34.5)|((3,1),(3,3),(1,0))|f       
  322.           |(-5,-12)  |((3,1),(3,3),(1,0))|f       
  323.           |(10,10)   |((3,1),(3,3),(1,0))|f       
  324.           |(0,0)     |((0,0))            |t       
  325.           |(-10,0)   |((0,0))            |f       
  326.           |(-3,4)    |((0,0))            |f       
  327.           |(5.1,34.5)|((0,0))            |f       
  328.           |(-5,-12)  |((0,0))            |f       
  329.           |(10,10)   |((0,0))            |f       
  330.           |(0,0)     |((0,1),(0,1))      |f       
  331.           |(-10,0)   |((0,1),(0,1))      |f       
  332.           |(-3,4)    |((0,1),(0,1))      |f       
  333.           |(5.1,34.5)|((0,1),(0,1))      |f       
  334.           |(-5,-12)  |((0,1),(0,1))      |f       
  335.           |(10,10)   |((0,1),(0,1))      |f       
  336. (24 rows)
  338. QUERY: SELECT '' AS twentyfour, p.f1, poly.f1, p.f1 @ poly.f1 AS contained
  339.    FROM POLYGON_TBL poly, POINT_TBL p;
  340. twentyfour|f1        |f1                 |contained
  341. ----------+----------+-------------------+---------
  342.           |(0,0)     |((2,0),(2,4),(0,0))|t        
  343.           |(-10,0)   |((2,0),(2,4),(0,0))|f        
  344.           |(-3,4)    |((2,0),(2,4),(0,0))|f        
  345.           |(5.1,34.5)|((2,0),(2,4),(0,0))|f        
  346.           |(-5,-12)  |((2,0),(2,4),(0,0))|f        
  347.           |(10,10)   |((2,0),(2,4),(0,0))|f        
  348.           |(0,0)     |((3,1),(3,3),(1,0))|f        
  349.           |(-10,0)   |((3,1),(3,3),(1,0))|f        
  350.           |(-3,4)    |((3,1),(3,3),(1,0))|f        
  351.           |(5.1,34.5)|((3,1),(3,3),(1,0))|f        
  352.           |(-5,-12)  |((3,1),(3,3),(1,0))|f        
  353.           |(10,10)   |((3,1),(3,3),(1,0))|f        
  354.           |(0,0)     |((0,0))            |t        
  355.           |(-10,0)   |((0,0))            |f        
  356.           |(-3,4)    |((0,0))            |f        
  357.           |(5.1,34.5)|((0,0))            |f        
  358.           |(-5,-12)  |((0,0))            |f        
  359.           |(10,10)   |((0,0))            |f        
  360.           |(0,0)     |((0,1),(0,1))      |f        
  361.           |(-10,0)   |((0,1),(0,1))      |f        
  362.           |(-3,4)    |((0,1),(0,1))      |f        
  363.           |(5.1,34.5)|((0,1),(0,1))      |f        
  364.           |(-5,-12)  |((0,1),(0,1))      |f        
  365.           |(10,10)   |((0,1),(0,1))      |f        
  366. (24 rows)
  368. QUERY: SELECT '' AS four, points(f1) AS npoints, f1 AS polygon
  369.    FROM POLYGON_TBL;
  370. four|npoints|polygon            
  371. ----+-------+-------------------
  372.     |      3|((2,0),(2,4),(0,0))
  373.     |      3|((3,1),(3,3),(1,0))
  374.     |      1|((0,0))            
  375.     |      2|((0,1),(0,1))      
  376. (4 rows)
  378. QUERY: SELECT '' AS four, polygon(f1)
  379.    FROM BOX_TBL;
  380. four|polygon                                  
  381. ----+-----------------------------------------
  382.     |((0,0),(0,2),(2,2),(2,0))                
  383.     |((1,1),(1,3),(3,3),(3,1))                
  384.     |((2.5,2.5),(2.5,3.5),(2.5,3.5),(2.5,2.5))
  385.     |((3,3),(3,3),(3,3),(3,3))                
  386. (4 rows)
  388. QUERY: SELECT '' AS four, polygon(f1)
  389.    FROM PATH_TBL WHERE isclosed(f1);
  390. four|polygon          
  391. ----+-----------------
  392.     |((1,2),(3,4))    
  393.     |((1,2),(3,4))    
  394.     |((1,2),(3,4))    
  395.     |((11,12),(13,14))
  396. (4 rows)
  398. QUERY: SELECT '' AS four, f1 AS open_path, polygon( pclose(f1)) AS polygon
  399.    FROM PATH_TBL
  400.    WHERE isopen(f1);
  401. four|open_path                |polygon                  
  402. ----+-------------------------+-------------------------
  403.     |[(1,2),(3,4)]            |((1,2),(3,4))            
  404.     |[(0,0),(3,0),(4,5),(1,6)]|((0,0),(3,0),(4,5),(1,6))
  405.     |[(1,2),(3,4)]            |((1,2),(3,4))            
  406.     |[(11,12),(13,14)]        |((11,12),(13,14))        
  407. (4 rows)
  409. QUERY: SELECT '' AS six, polygon(f1)
  410.    FROM CIRCLE_TBL;
  411. six|polygon                                                                                                                                                                                                                                                                             
  412. ---+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  413.    |((-3,0),(-2.59807621135332,1.5),(-1.5,2.59807621135332),(-1.83690953073357e-16,3),(1.5,2.59807621135332),(2.59807621135332,1.5),(3,3.67381906146713e-16),(2.59807621135332,-1.5),(1.5,-2.59807621135332),(5.5107285922007e-16,-3),(-1.5,-2.59807621135332),(-2.59807621135332,-1.5))
  414.    |((-99,2),(-85.6025403784439,52),(-49,88.6025403784439),(0.999999999999994,102),(51,88.6025403784439),(87.6025403784439,52),(101,2.00000000000001),(87.6025403784439,-48),(51,-84.6025403784438),(1.00000000000002,-98),(-49,-84.6025403784439),(-85.6025403784438,-48))             
  415.    |((-4,3),(-3.33012701892219,5.5),(-1.5,7.33012701892219),(1,8),(3.5,7.33012701892219),(5.33012701892219,5.5),(6,3),(5.33012701892219,0.500000000000001),(3.5,-1.33012701892219),(1,-2),(-1.5,-1.33012701892219),(-3.33012701892219,0.499999999999998))                               
  416.    |((-2,2),(-1.59807621135332,3.5),(-0.5,4.59807621135332),(1,5),(2.5,4.59807621135332),(3.59807621135332,3.5),(4,2),(3.59807621135332,0.500000000000001),(2.5,-0.598076211353315),(1,-1),(-0.5,-0.598076211353316),(-1.59807621135332,0.499999999999999))                             
  417.    |((90,200),(91.3397459621556,205),(95,208.660254037844),(100,210),(105,208.660254037844),(108.660254037844,205),(110,200),(108.660254037844,195),(105,191.339745962156),(100,190),(95,191.339745962156),(91.3397459621556,195))                                                      
  418.    |((0,0),(13.3974596215561,50),(50,86.6025403784439),(100,100),(150,86.6025403784439),(186.602540378444,50),(200,1.22460635382238e-14),(186.602540378444,-50),(150,-86.6025403784438),(100,-100),(50,-86.6025403784439),(13.3974596215562,-50))                                       
  419. (6 rows)
  421. QUERY: SELECT '' AS six, polygon(8, f1)
  422.    FROM CIRCLE_TBL;
  423. six|polygon                                                                                                                                                                                                                                 
  424. ---+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  425.    |((-3,0),(-2.12132034355964,2.12132034355964),(-1.83690953073357e-16,3),(2.12132034355964,2.12132034355964),(3,3.67381906146713e-16),(2.12132034355964,-2.12132034355964),(5.5107285922007e-16,-3),(-2.12132034355964,-2.12132034355964))
  426.    |((-99,2),(-69.7106781186548,72.7106781186548),(0.999999999999994,102),(71.7106781186547,72.7106781186548),(101,2.00000000000001),(71.7106781186548,-68.7106781186547),(1.00000000000002,-98),(-69.7106781186547,-68.7106781186548))     
  427.    |((-4,3),(-2.53553390593274,6.53553390593274),(1,8),(4.53553390593274,6.53553390593274),(6,3),(4.53553390593274,-0.535533905932737),(1,-2),(-2.53553390593274,-0.535533905932738))                                                       
  428.    |((-2,2),(-1.12132034355964,4.12132034355964),(1,5),(3.12132034355964,4.12132034355964),(4,2),(3.12132034355964,-0.121320343559642),(1,-1),(-1.12132034355964,-0.121320343559643))                                                       
  429.    |((90,200),(92.9289321881345,207.071067811865),(100,210),(107.071067811865,207.071067811865),(110,200),(107.071067811865,192.928932188135),(100,190),(92.9289321881345,192.928932188135))                                                
  430.    |((0,0),(29.2893218813452,70.7106781186548),(100,100),(170.710678118655,70.7106781186548),(200,1.22460635382238e-14),(170.710678118655,-70.7106781186547),(100,-100),(29.2893218813453,-70.7106781186548))                               
  431. (6 rows)
  433. QUERY: SELECT '' AS six, circle(f1, 50.0)
  434.    FROM POINT_TBL;
  435. six|circle         
  436. ---+---------------
  437.    |<(0,0),50>     
  438.    |<(-10,0),50>   
  439.    |<(-3,4),50>    
  440.    |<(5.1,34.5),50>
  441.    |<(-5,-12),50>  
  442.    |<(10,10),50>   
  443. (6 rows)
  445. QUERY: SELECT '' AS four, circle(f1)
  446.    FROM BOX_TBL;
  447. four|circle                 
  448. ----+-----------------------
  449.     |<(1,1),1.4142135623731>
  450.     |<(2,2),1.4142135623731>
  451.     |<(2.5,3),0.5>          
  452.     |<(3,3),0>              
  453. (4 rows)
  455. QUERY: SELECT '' AS two, circle(f1)
  456.    FROM POLYGON_TBL
  457.    WHERE (# f1) >= 3;
  458. two|circle                                                
  459. ---+------------------------------------------------------
  460.    |<(1.33333333333333,1.33333333333333),2.04168905063636>
  461.    |<(2.33333333333333,1.33333333333333),1.47534300379185>
  462. (2 rows)
  464. QUERY: SELECT '' AS twentyfour, c1.f1 AS circle, p1.f1 AS point, (p1.f1 <-> c1.f1) AS distance
  465.    FROM CIRCLE_TBL c1, POINT_TBL p1
  466.    WHERE (p1.f1 <-> c1.f1) > 0
  467.    ORDER BY distance, circle, point using <<;
  468. twentyfour|circle        |point     |         distance
  469. ----------+--------------+----------+-----------------
  470.           |<(100,0),100> |(5.1,34.5)|0.976531926977964
  471.           |<(1,2),3>     |(-3,4)    | 1.47213595499958
  472.           |<(0,0),3>     |(-3,4)    |                2
  473.           |<(100,0),100> |(-3,4)    | 3.07764064044151
  474.           |<(100,0),100> |(-5,-12)  | 5.68348972285122
  475.           |<(1,3),5>     |(-10,0)   | 6.40175425099138
  476.           |<(1,3),5>     |(10,10)   | 6.40175425099138
  477.           |<(0,0),3>     |(-10,0)   |                7
  478.           |<(1,2),3>     |(-10,0)   | 8.18033988749895
  479.           |<(1,2),3>     |(10,10)   |  9.0415945787923
  480.           |<(0,0),3>     |(-5,-12)  |               10
  481.           |<(100,0),100> |(-10,0)   |               10
  482.           |<(0,0),3>     |(10,10)   |  11.142135623731
  483.           |<(1,3),5>     |(-5,-12)  | 11.1554944214035
  484.           |<(1,2),3>     |(-5,-12)  | 12.2315462117278
  485.           |<(1,3),5>     |(5.1,34.5)| 26.7657047773224
  486.           |<(1,2),3>     |(5.1,34.5)|  29.757594539282
  487.           |<(0,0),3>     |(5.1,34.5)| 31.8749193547455
  488.           |<(100,200),10>|(5.1,34.5)| 180.778038568384
  489.           |<(100,200),10>|(10,10)   | 200.237960416286
  490.           |<(100,200),10>|(-3,4)    | 211.415898254845
  491.           |<(100,200),10>|(0,0)     | 213.606797749979
  492.           |<(100,200),10>|(-10,0)   | 218.254244210267
  493.           |<(100,200),10>|(-5,-12)  | 226.577682802077
  494. (24 rows)