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QUERY: SELECT point(f1) FROM CIRCLE_TBL;
point
---------
(0,0)
(1,2)
(1,3)
(1,2)
(100,200)
(100,0)
(6 rows)
QUERY: SELECT '' AS two, p1.f1
FROM POINT_TBL p1
WHERE ishorizontal(p1.f1, '(0,0)'::point);
two|f1
---+-------
|(0,0)
|(-10,0)
(2 rows)
QUERY: SELECT '' AS one, p1.f1
FROM POINT_TBL p1
WHERE isvertical(p1.f1, '(5.1,34.5)'::point);
one|f1
---+----------
|(5.1,34.5)
(1 row)
QUERY: SELECT center(f1) FROM BOX_TBL;
center
-------
(1,1)
(2,2)
(2.5,3)
(3,3)
(4 rows)
QUERY: SELECT box(f1) FROM CIRCLE_TBL;
WARN:func_get_detail: function box(circle) does not exist
QUERY: SELECT '' AS count, b.f1 + p.f1
FROM BOX_TBL b, POINT_TBL p;
NOTICE:there is no operator + for types box and point
NOTICE:You will either have to retype this query using an
NOTICE:explicit cast, or you will have to define the operator
WARN:+ for box and point using CREATE OPERATOR
QUERY: SELECT '' AS count, b.f1 * p.f1
FROM BOX_TBL b, POINT_TBL p;
NOTICE:there is no operator * for types box and point
NOTICE:You will either have to retype this query using an
NOTICE:explicit cast, or you will have to define the operator
WARN:* for box and point using CREATE OPERATOR
QUERY: SET geqo TO 'off';
QUERY: SELECT points(f1) AS npoints, f1 AS path FROM PATH_TBL;
npoints|path
-------+-------------------------
2|[(1,2),(3,4)]
2|((1,2),(3,4))
4|[(0,0),(3,0),(4,5),(1,6)]
2|((1,2),(3,4))
2|((1,2),(3,4))
2|[(1,2),(3,4)]
2|[(11,12),(13,14)]
2|((11,12),(13,14))
(8 rows)
QUERY: SELECT path(f1) FROM POLYGON_TBL;
path
-------------------
((2,0),(2,4),(0,0))
((3,1),(3,3),(1,0))
((0,0))
((0,1),(0,1))
(4 rows)
QUERY: SELECT '' AS eight, p1.f1 + '(10,10)'::point AS dist_add
FROM PATH_TBL p1;
eight|dist_add
-----+---------------------------------
|[(11,12),(13,14)]
|((11,12),(13,14))
|[(10,10),(13,10),(14,15),(11,16)]
|((11,12),(13,14))
|((11,12),(13,14))
|[(11,12),(13,14)]
|[(21,22),(23,24)]
|((21,22),(23,24))
(8 rows)
QUERY: SELECT '' AS eight, p1.f1 * '(2,-1)'::point AS dist_mul
FROM PATH_TBL p1;
eight|dist_mul
-----+----------------------------
|[(4,3),(10,5)]
|((4,3),(10,5))
|[(0,0),(6,-3),(13,6),(8,11)]
|((4,3),(10,5))
|((4,3),(10,5))
|[(4,3),(10,5)]
|[(34,13),(40,15)]
|((34,13),(40,15))
(8 rows)
QUERY: RESET geqo;
QUERY: SELECT points(f1) AS npoints, f1 AS polygon FROM POLYGON_TBL;
npoints|polygon
-------+-------------------
3|((2,0),(2,4),(0,0))
3|((3,1),(3,3),(1,0))
1|((0,0))
2|((0,1),(0,1))
(4 rows)
QUERY: SELECT polygon(f1) FROM BOX_TBL;
polygon
-----------------------------------------
((0,0),(0,2),(2,2),(2,0))
((1,1),(1,3),(3,3),(3,1))
((2.5,2.5),(2.5,3.5),(2.5,3.5),(2.5,2.5))
((3,3),(3,3),(3,3),(3,3))
(4 rows)
QUERY: SELECT polygon(f1) FROM PATH_TBL WHERE isclosed(f1);
polygon
-----------------
((1,2),(3,4))
((1,2),(3,4))
((1,2),(3,4))
((11,12),(13,14))
(4 rows)
QUERY: SELECT f1 AS open_path, polygon( pclose(f1)) AS polygon FROM PATH_TBL WHERE isopen(f1);
open_path |polygon
-------------------------+-------------------------
[(1,2),(3,4)] |((1,2),(3,4))
[(0,0),(3,0),(4,5),(1,6)]|((0,0),(3,0),(4,5),(1,6))
[(1,2),(3,4)] |((1,2),(3,4))
[(11,12),(13,14)] |((11,12),(13,14))
(4 rows)
QUERY: SELECT polygon(f1) FROM CIRCLE_TBL;
polygon
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
((-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))
((-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))
((-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))
((-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))
((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))
((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))
(6 rows)
QUERY: SELECT polygon(8, f1) FROM CIRCLE_TBL;
polygon
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
((-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))
((-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))
((-4,3),(-2.53553390593274,6.53553390593274),(1,8),(4.53553390593274,6.53553390593274),(6,3),(4.53553390593274,-0.535533905932737),(1,-2),(-2.53553390593274,-0.535533905932738))
((-2,2),(-1.12132034355964,4.12132034355964),(1,5),(3.12132034355964,4.12132034355964),(4,2),(3.12132034355964,-0.121320343559642),(1,-1),(-1.12132034355964,-0.121320343559643))
((90,200),(92.9289321881345,207.071067811865),(100,210),(107.071067811865,207.071067811865),(110,200),(107.071067811865,192.928932188135),(100,190),(92.9289321881345,192.928932188135))
((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))
(6 rows)
QUERY: SELECT circle( f1, 50.0) FROM POINT_TBL;
circle
---------------
<(0,0),50>
<(-10,0),50>
<(-3,4),50>
<(5.1,34.5),50>
<(-5,-12),50>
<(10,10),50>
(6 rows)
QUERY: 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;
twentyfour|circle |point | distance
----------+--------------+----------+-----------------
|<(100,0),100> |(5.1,34.5)|0.976531926977964
|<(1,2),3> |(-3,4) | 1.47213595499958
|<(0,0),3> |(-3,4) | 2
|<(100,0),100> |(-3,4) | 3.07764064044151
|<(100,0),100> |(-5,-12) | 5.68348972285122
|<(1,3),5> |(10,10) | 6.40175425099138
|<(1,3),5> |(-10,0) | 6.40175425099138
|<(0,0),3> |(-10,0) | 7
|<(1,2),3> |(-10,0) | 8.18033988749895
|<(1,2),3> |(10,10) | 9.0415945787923
|<(0,0),3> |(-5,-12) | 10
|<(100,0),100> |(-10,0) | 10
|<(0,0),3> |(10,10) | 11.142135623731
|<(1,3),5> |(-5,-12) | 11.1554944214035
|<(1,2),3> |(-5,-12) | 12.2315462117278
|<(1,3),5> |(5.1,34.5)| 26.7657047773224
|<(1,2),3> |(5.1,34.5)| 29.757594539282
|<(0,0),3> |(5.1,34.5)| 31.8749193547455
|<(100,200),10>|(5.1,34.5)| 180.778038568384
|<(100,200),10>|(10,10) | 200.237960416286
|<(100,200),10>|(-3,4) | 211.415898254845
|<(100,200),10>|(0,0) | 213.606797749979
|<(100,200),10>|(-10,0) | 218.254244210267
|<(100,200),10>|(-5,-12) | 226.577682802077
(24 rows)
|
