mirror of https://github.com/postgres/postgres
parent
5363144d37
commit
f3160a6530
@ -0,0 +1,532 @@ |
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-- |
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-- GEOMETRY |
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-- |
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-- |
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-- Points |
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-- |
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SELECT '' AS four, center(f1) AS center |
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FROM BOX_TBL; |
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four | center |
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------+--------- |
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| (1,1) |
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| (2,2) |
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| (2.5,3) |
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| (3,3) |
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(4 rows) |
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|
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SELECT '' AS four, (@@ f1) AS center |
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FROM BOX_TBL; |
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four | center |
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------+--------- |
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| (1,1) |
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| (2,2) |
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| (2.5,3) |
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| (3,3) |
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(4 rows) |
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|
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SELECT '' AS six, point(f1) AS center |
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FROM CIRCLE_TBL; |
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six | center |
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-----+----------- |
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| (0,0) |
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| (1,2) |
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| (1,3) |
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| (1,2) |
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| (100,200) |
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| (100,0) |
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(6 rows) |
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|
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SELECT '' AS six, (@@ f1) AS center |
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FROM CIRCLE_TBL; |
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six | center |
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-----+----------- |
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| (0,0) |
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| (1,2) |
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| (1,3) |
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| (1,2) |
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| (100,200) |
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| (100,0) |
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(6 rows) |
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|
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SELECT '' AS two, (@@ f1) AS center |
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FROM POLYGON_TBL |
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WHERE (# f1) > 2; |
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two | center |
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-----+------------------------------------- |
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| (1.33333333333333,1.33333333333333) |
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| (2.33333333333333,1.33333333333333) |
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(2 rows) |
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|
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-- "is horizontal" function |
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SELECT '' AS two, p1.f1 |
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FROM POINT_TBL p1 |
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WHERE ishorizontal(p1.f1, point '(0,0)'); |
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two | f1 |
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-----+--------- |
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| (0,0) |
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| (-10,0) |
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(2 rows) |
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|
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-- "is horizontal" operator |
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SELECT '' AS two, p1.f1 |
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FROM POINT_TBL p1 |
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WHERE p1.f1 ?- point '(0,0)'; |
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two | f1 |
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-----+--------- |
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| (0,0) |
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| (-10,0) |
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(2 rows) |
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|
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-- "is vertical" function |
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SELECT '' AS one, p1.f1 |
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FROM POINT_TBL p1 |
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WHERE isvertical(p1.f1, point '(5.1,34.5)'); |
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one | f1 |
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-----+------------ |
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| (5.1,34.5) |
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(1 row) |
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|
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-- "is vertical" operator |
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SELECT '' AS one, p1.f1 |
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FROM POINT_TBL p1 |
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WHERE p1.f1 ?| point '(5.1,34.5)'; |
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one | f1 |
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-----+------------ |
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| (5.1,34.5) |
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(1 row) |
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|
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-- |
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-- Line segments |
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-- |
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-- intersection |
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SELECT '' AS count, p.f1, l.s, l.s # p.f1 AS intersection |
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FROM LSEG_TBL l, POINT_TBL p; |
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ERROR: Unable to identify an operator '#' for types 'lseg' and 'point' |
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You will have to retype this query using an explicit cast |
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-- closest point |
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SELECT '' AS thirty, p.f1, l.s, p.f1 ## l.s AS closest |
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FROM LSEG_TBL l, POINT_TBL p; |
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thirty | f1 | s | closest |
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--------+------------+-------------------------------+--------------------------------------- |
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| (0,0) | [(1,2),(3,4)] | (1,2) |
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| (-10,0) | [(1,2),(3,4)] | (1,2) |
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| (-3,4) | [(1,2),(3,4)] | (1,2) |
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| (5.1,34.5) | [(1,2),(3,4)] | (3,4) |
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| (-5,-12) | [(1,2),(3,4)] | (1,2) |
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| (10,10) | [(1,2),(3,4)] | (3,4) |
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| (0,0) | [(0,0),(6,6)] | (-0,0) |
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| (-10,0) | [(0,0),(6,6)] | (0,0) |
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| (-3,4) | [(0,0),(6,6)] | (0.5,0.5) |
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| (5.1,34.5) | [(0,0),(6,6)] | (6,6) |
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| (-5,-12) | [(0,0),(6,6)] | (0,0) |
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| (10,10) | [(0,0),(6,6)] | (6,6) |
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| (0,0) | [(10,-10),(-3,-4)] | (-2.04878048780488,-4.4390243902439) |
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| (-10,0) | [(10,-10),(-3,-4)] | (-3,-4) |
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| (-3,4) | [(10,-10),(-3,-4)] | (-3,-4) |
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| (5.1,34.5) | [(10,-10),(-3,-4)] | (-3,-4) |
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| (-5,-12) | [(10,-10),(-3,-4)] | (-1.60487804878049,-4.64390243902439) |
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| (10,10) | [(10,-10),(-3,-4)] | (2.39024390243902,-6.48780487804878) |
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| (0,0) | [(-1000000,200),(300000,-40)] | (0.0028402365895872,15.384614860264) |
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| (-10,0) | [(-1000000,200),(300000,-40)] | (-9.99715942258202,15.3864610140472) |
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| (-3,4) | [(-1000000,200),(300000,-40)] | (-2.99789812267519,15.3851688427303) |
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| (5.1,34.5) | [(-1000000,200),(300000,-40)] | (5.09647083221496,15.3836744976925) |
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| (-5,-12) | [(-1000000,200),(300000,-40)] | (-4.99494420845634,15.3855375281616) |
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| (10,10) | [(-1000000,200),(300000,-40)] | (10.000993741978,15.3827690473092) |
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| (0,0) | [(11,22),(33,44)] | (11,22) |
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| (-10,0) | [(11,22),(33,44)] | (11,22) |
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| (-3,4) | [(11,22),(33,44)] | (11,22) |
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| (5.1,34.5) | [(11,22),(33,44)] | (14.3,25.3) |
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| (-5,-12) | [(11,22),(33,44)] | (11,22) |
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| (10,10) | [(11,22),(33,44)] | (11,22) |
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(30 rows) |
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|
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-- |
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-- Lines |
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-- |
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-- |
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-- Boxes |
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-- |
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SELECT '' as six, box(f1) AS box FROM CIRCLE_TBL; |
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six | box |
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-----+---------------------------------------------------------------------------- |
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| (2.12132034355964,2.12132034355964),(-2.12132034355964,-2.12132034355964) |
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| (71.7106781186547,72.7106781186547),(-69.7106781186547,-68.7106781186547) |
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| (4.53553390593274,6.53553390593274),(-2.53553390593274,-0.535533905932737) |
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| (3.12132034355964,4.12132034355964),(-1.12132034355964,-0.121320343559642) |
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| (107.071067811865,207.071067811865),(92.9289321881345,192.928932188135) |
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| (170.710678118655,70.7106781186547),(29.2893218813453,-70.7106781186547) |
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(6 rows) |
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|
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-- translation |
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SELECT '' AS twentyfour, b.f1 + p.f1 AS translation |
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FROM BOX_TBL b, POINT_TBL p; |
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twentyfour | translation |
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------------+------------------------- |
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| (2,2),(0,0) |
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| (3,3),(1,1) |
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| (2.5,3.5),(2.5,2.5) |
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| (3,3),(3,3) |
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| (-8,2),(-10,0) |
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| (-7,3),(-9,1) |
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| (-7.5,3.5),(-7.5,2.5) |
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| (-7,3),(-7,3) |
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| (-1,6),(-3,4) |
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| (0,7),(-2,5) |
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| (-0.5,7.5),(-0.5,6.5) |
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| (0,7),(0,7) |
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| (7.1,36.5),(5.1,34.5) |
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| (8.1,37.5),(6.1,35.5) |
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| (7.6,38),(7.6,37) |
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| (8.1,37.5),(8.1,37.5) |
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| (-3,-10),(-5,-12) |
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| (-2,-9),(-4,-11) |
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| (-2.5,-8.5),(-2.5,-9.5) |
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| (-2,-9),(-2,-9) |
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| (12,12),(10,10) |
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| (13,13),(11,11) |
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| (12.5,13.5),(12.5,12.5) |
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| (13,13),(13,13) |
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(24 rows) |
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|
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SELECT '' AS twentyfour, b.f1 - p.f1 AS translation |
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FROM BOX_TBL b, POINT_TBL p; |
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twentyfour | translation |
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------------+--------------------------- |
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| (2,2),(0,0) |
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| (3,3),(1,1) |
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| (2.5,3.5),(2.5,2.5) |
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| (3,3),(3,3) |
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| (12,2),(10,0) |
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| (13,3),(11,1) |
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| (12.5,3.5),(12.5,2.5) |
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| (13,3),(13,3) |
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| (5,-2),(3,-4) |
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| (6,-1),(4,-3) |
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| (5.5,-0.5),(5.5,-1.5) |
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| (6,-1),(6,-1) |
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| (-3.1,-32.5),(-5.1,-34.5) |
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| (-2.1,-31.5),(-4.1,-33.5) |
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| (-2.6,-31),(-2.6,-32) |
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| (-2.1,-31.5),(-2.1,-31.5) |
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| (7,14),(5,12) |
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| (8,15),(6,13) |
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| (7.5,15.5),(7.5,14.5) |
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| (8,15),(8,15) |
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| (-8,-8),(-10,-10) |
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| (-7,-7),(-9,-9) |
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| (-7.5,-6.5),(-7.5,-7.5) |
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| (-7,-7),(-7,-7) |
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(24 rows) |
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|
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-- scaling and rotation |
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SELECT '' AS twentyfour, b.f1 * p.f1 AS rotation |
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FROM BOX_TBL b, POINT_TBL p; |
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twentyfour | rotation |
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------------+----------------------------- |
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| (0,0),(0,0) |
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| (0,0),(0,0) |
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| (0,0),(0,0) |
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| (0,0),(0,0) |
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| (-0,0),(-20,-20) |
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| (-10,-10),(-30,-30) |
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| (-25,-25),(-25,-35) |
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| (-30,-30),(-30,-30) |
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| (-0,2),(-14,0) |
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| (-7,3),(-21,1) |
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| (-17.5,2.5),(-21.5,-0.5) |
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| (-21,3),(-21,3) |
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| (0,79.2),(-58.8,0) |
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| (-29.4,118.8),(-88.2,39.6) |
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| (-73.5,104.1),(-108,99) |
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| (-88.2,118.8),(-88.2,118.8) |
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| (14,-0),(0,-34) |
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| (21,-17),(7,-51) |
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| (29.5,-42.5),(17.5,-47.5) |
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| (21,-51),(21,-51) |
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| (0,40),(0,0) |
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| (0,60),(0,20) |
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| (0,60),(-10,50) |
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| (0,60),(0,60) |
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(24 rows) |
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|
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SELECT '' AS twenty, b.f1 / p.f1 AS rotation |
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FROM BOX_TBL b, POINT_TBL p |
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WHERE (p.f1 <-> point '(0,0)') >= 1; |
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twenty | rotation |
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--------+----------------------------------------------------------------------------------- |
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| (0,-0),(-0.2,-0.2) |
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| (-0.1,-0.1),(-0.3,-0.3) |
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| (-0.25,-0.25),(-0.25,-0.35) |
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| (-0.3,-0.3),(-0.3,-0.3) |
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| (0.08,-0),(0,-0.56) |
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| (0.12,-0.28),(0.04,-0.84) |
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| (0.26,-0.7),(0.1,-0.82) |
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| (0.12,-0.84),(0.12,-0.84) |
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| (0.0651176557643925,0),(0,-0.0483449262493217) |
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| (0.0976764836465887,-0.0241724631246608),(0.0325588278821962,-0.0725173893739825) |
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| (0.109762715208919,-0.0562379754328844),(0.0813970697054906,-0.0604311578116521) |
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| (0.0976764836465887,-0.0725173893739825),(0.0976764836465887,-0.0725173893739825) |
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| (-0,0.0828402366863905),(-0.201183431952663,0) |
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| (-0.100591715976331,0.124260355029586),(-0.301775147928994,0.0414201183431953) |
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| (-0.251479289940828,0.103550295857988),(-0.322485207100592,0.0739644970414201) |
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| (-0.301775147928994,0.124260355029586),(-0.301775147928994,0.124260355029586) |
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| (0.2,0),(0,0) |
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| (0.3,0),(0.1,0) |
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| (0.3,0.05),(0.25,0) |
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| (0.3,0),(0.3,0) |
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(20 rows) |
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|
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-- |
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-- Paths |
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-- |
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SET geqo TO 'off'; |
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SELECT '' AS eight, npoints(f1) AS npoints, f1 AS path FROM PATH_TBL; |
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eight | npoints | path |
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-------+---------+--------------------------- |
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| 2 | [(1,2),(3,4)] |
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| 2 | ((1,2),(3,4)) |
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| 4 | [(0,0),(3,0),(4,5),(1,6)] |
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| 2 | ((1,2),(3,4)) |
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| 2 | ((1,2),(3,4)) |
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| 2 | [(1,2),(3,4)] |
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| 2 | [(11,12),(13,14)] |
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| 2 | ((11,12),(13,14)) |
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(8 rows) |
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|
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SELECT '' AS four, path(f1) FROM POLYGON_TBL; |
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four | path |
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------+--------------------- |
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| ((2,0),(2,4),(0,0)) |
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| ((3,1),(3,3),(1,0)) |
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| ((0,0)) |
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| ((0,1),(0,1)) |
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(4 rows) |
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|
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-- translation |
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SELECT '' AS eight, p1.f1 + point '(10,10)' AS dist_add |
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FROM PATH_TBL p1; |
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eight | dist_add |
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-------+----------------------------------- |
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| [(11,12),(13,14)] |
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| ((11,12),(13,14)) |
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| [(10,10),(13,10),(14,15),(11,16)] |
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| ((11,12),(13,14)) |
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| ((11,12),(13,14)) |
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| [(11,12),(13,14)] |
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| [(21,22),(23,24)] |
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| ((21,22),(23,24)) |
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(8 rows) |
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|
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-- scaling and rotation |
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SELECT '' AS eight, p1.f1 * point '(2,-1)' AS dist_mul |
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FROM PATH_TBL p1; |
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eight | dist_mul |
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-------+------------------------------ |
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| [(4,3),(10,5)] |
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| ((4,3),(10,5)) |
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| [(0,0),(6,-3),(13,6),(8,11)] |
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| ((4,3),(10,5)) |
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| ((4,3),(10,5)) |
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| [(4,3),(10,5)] |
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| [(34,13),(40,15)] |
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| ((34,13),(40,15)) |
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(8 rows) |
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|
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RESET geqo; |
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-- |
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-- Polygons |
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-- |
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-- containment |
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SELECT '' AS twentyfour, p.f1, poly.f1, poly.f1 ~ p.f1 AS contains |
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FROM POLYGON_TBL poly, POINT_TBL p; |
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twentyfour | f1 | f1 | contains |
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------------+------------+---------------------+---------- |
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| (0,0) | ((2,0),(2,4),(0,0)) | t |
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| (-10,0) | ((2,0),(2,4),(0,0)) | f |
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| (-3,4) | ((2,0),(2,4),(0,0)) | f |
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| (5.1,34.5) | ((2,0),(2,4),(0,0)) | f |
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| (-5,-12) | ((2,0),(2,4),(0,0)) | f |
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| (10,10) | ((2,0),(2,4),(0,0)) | f |
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| (0,0) | ((3,1),(3,3),(1,0)) | f |
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| (-10,0) | ((3,1),(3,3),(1,0)) | f |
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| (-3,4) | ((3,1),(3,3),(1,0)) | f |
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| (5.1,34.5) | ((3,1),(3,3),(1,0)) | f |
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| (-5,-12) | ((3,1),(3,3),(1,0)) | f |
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| (10,10) | ((3,1),(3,3),(1,0)) | f |
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| (0,0) | ((0,0)) | t |
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| (-10,0) | ((0,0)) | f |
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| (-3,4) | ((0,0)) | f |
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| (5.1,34.5) | ((0,0)) | f |
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| (-5,-12) | ((0,0)) | f |
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| (10,10) | ((0,0)) | f |
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| (0,0) | ((0,1),(0,1)) | f |
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| (-10,0) | ((0,1),(0,1)) | f |
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| (-3,4) | ((0,1),(0,1)) | f |
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| (5.1,34.5) | ((0,1),(0,1)) | f |
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| (-5,-12) | ((0,1),(0,1)) | f |
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| (10,10) | ((0,1),(0,1)) | f |
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(24 rows) |
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|
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SELECT '' AS twentyfour, p.f1, poly.f1, p.f1 @ poly.f1 AS contained |
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FROM POLYGON_TBL poly, POINT_TBL p; |
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twentyfour | f1 | f1 | contained |
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------------+------------+---------------------+----------- |
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| (0,0) | ((2,0),(2,4),(0,0)) | t |
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| (-10,0) | ((2,0),(2,4),(0,0)) | f |
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| (-3,4) | ((2,0),(2,4),(0,0)) | f |
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| (5.1,34.5) | ((2,0),(2,4),(0,0)) | f |
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| (-5,-12) | ((2,0),(2,4),(0,0)) | f |
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| (10,10) | ((2,0),(2,4),(0,0)) | f |
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| (0,0) | ((3,1),(3,3),(1,0)) | f |
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| (-10,0) | ((3,1),(3,3),(1,0)) | f |
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| (-3,4) | ((3,1),(3,3),(1,0)) | f |
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| (5.1,34.5) | ((3,1),(3,3),(1,0)) | f |
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| (-5,-12) | ((3,1),(3,3),(1,0)) | f |
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| (10,10) | ((3,1),(3,3),(1,0)) | f |
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| (0,0) | ((0,0)) | t |
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| (-10,0) | ((0,0)) | f |
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| (-3,4) | ((0,0)) | f |
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| (5.1,34.5) | ((0,0)) | f |
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| (-5,-12) | ((0,0)) | f |
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| (10,10) | ((0,0)) | f |
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| (0,0) | ((0,1),(0,1)) | f |
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| (-10,0) | ((0,1),(0,1)) | f |
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| (-3,4) | ((0,1),(0,1)) | f |
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| (5.1,34.5) | ((0,1),(0,1)) | f |
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| (-5,-12) | ((0,1),(0,1)) | f |
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| (10,10) | ((0,1),(0,1)) | f |
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(24 rows) |
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|
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SELECT '' AS four, npoints(f1) AS npoints, f1 AS polygon |
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FROM POLYGON_TBL; |
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four | npoints | polygon |
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------+---------+--------------------- |
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| 3 | ((2,0),(2,4),(0,0)) |
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| 3 | ((3,1),(3,3),(1,0)) |
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| 1 | ((0,0)) |
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| 2 | ((0,1),(0,1)) |
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(4 rows) |
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|
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SELECT '' AS four, polygon(f1) |
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FROM BOX_TBL; |
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four | polygon |
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------+------------------------------------------- |
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| ((0,0),(0,2),(2,2),(2,0)) |
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| ((1,1),(1,3),(3,3),(3,1)) |
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| ((2.5,2.5),(2.5,3.5),(2.5,3.5),(2.5,2.5)) |
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| ((3,3),(3,3),(3,3),(3,3)) |
||||
(4 rows) |
||||
|
||||
SELECT '' AS four, polygon(f1) |
||||
FROM PATH_TBL WHERE isclosed(f1); |
||||
four | polygon |
||||
------+------------------- |
||||
| ((1,2),(3,4)) |
||||
| ((1,2),(3,4)) |
||||
| ((1,2),(3,4)) |
||||
| ((11,12),(13,14)) |
||||
(4 rows) |
||||
|
||||
SELECT '' AS four, f1 AS open_path, polygon( pclose(f1)) AS polygon |
||||
FROM PATH_TBL |
||||
WHERE isopen(f1); |
||||
four | 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) |
||||
|
||||
-- convert circles to polygons using the default number of points |
||||
SELECT '' AS six, polygon(f1) |
||||
FROM CIRCLE_TBL; |
||||
six | polygon |
||||
-----+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
||||
| ((-3,0),(-2.59807621135076,1.50000000000442),(-1.49999999999116,2.59807621135842),(1.53102359017709e-11,3),(1.50000000001768,2.59807621134311),(2.59807621136607,1.4999999999779),(3,-3.06204718035418e-11),(2.59807621133545,-1.50000000003094),(1.49999999996464,-2.59807621137373),(-4.59307077053127e-11,-3),(-1.5000000000442,-2.5980762113278),(-2.59807621138138,-1.49999999995138)) |
||||
| ((-99,2),(-85.6025403783588,52.0000000001473),(-48.9999999997054,88.602540378614),(1.00000000051034,102),(51.0000000005893,88.6025403781036),(87.6025403788692,51.9999999992634),(101,1.99999999897932),(87.6025403778485,-48.0000000010313),(50.9999999988214,-84.6025403791243),(0.999999998468976,-98),(-49.0000000014732,-84.6025403775933),(-85.6025403793795,-47.9999999983795)) |
||||
| ((-4,3),(-3.33012701891794,5.50000000000737),(-1.49999999998527,7.3301270189307),(1.00000000002552,8),(3.50000000002946,7.33012701890518),(5.33012701894346,5.49999999996317),(6,2.99999999994897),(5.33012701889242,0.499999999948437),(3.49999999994107,-1.33012701895622),(0.999999999923449,-2),(-1.50000000007366,-1.33012701887966),(-3.33012701896897,0.500000000081027)) |
||||
| ((-2,2),(-1.59807621135076,3.50000000000442),(-0.499999999991161,4.59807621135842),(1.00000000001531,5),(2.50000000001768,4.59807621134311),(3.59807621136607,3.4999999999779),(4,1.99999999996938),(3.59807621133545,0.499999999969062),(2.49999999996464,-0.598076211373729),(0.999999999954069,-1),(-0.500000000044197,-0.598076211327799),(-1.59807621138138,0.500000000048616)) |
||||
| ((90,200),(91.3397459621641,205.000000000015),(95.0000000000295,208.660254037861),(100.000000000051,210),(105.000000000059,208.66025403781),(108.660254037887,204.999999999926),(110,199.999999999898),(108.660254037785,194.999999999897),(104.999999999882,191.339745962088),(99.9999999998469,190),(94.9999999998527,191.339745962241),(91.3397459620621,195.000000000162)) |
||||
| ((0,0),(13.3974596216412,50.0000000001473),(50.0000000002946,86.602540378614),(100.00000000051,100),(150.000000000589,86.6025403781036),(186.602540378869,49.9999999992634),(200,-1.02068239345139e-09),(186.602540377848,-50.0000000010313),(149.999999998821,-86.6025403791243),(99.999999998469,-100),(49.9999999985268,-86.6025403775933),(13.3974596206205,-49.9999999983795)) |
||||
(6 rows) |
||||
|
||||
-- convert the circle to an 8-point polygon |
||||
SELECT '' AS six, polygon(8, f1) |
||||
FROM CIRCLE_TBL; |
||||
six | polygon |
||||
-----+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
||||
| ((-3,0),(-2.12132034355423,2.12132034356506),(1.53102359017709e-11,3),(2.12132034357588,2.1213203435434),(3,-3.06204718035418e-11),(2.12132034353258,-2.12132034358671),(-4.59307077053127e-11,-3),(-2.12132034359753,-2.12132034352175)) |
||||
| ((-99,2),(-69.7106781184743,72.7106781188352),(1.00000000051034,102),(71.710678119196,72.7106781181135),(101,1.99999999897932),(71.7106781177526,-68.7106781195569),(0.999999998468976,-98),(-69.7106781199178,-68.7106781173917)) |
||||
| ((-4,3),(-2.53553390592372,6.53553390594176),(1.00000000002552,8),(4.5355339059598,6.53553390590567),(6,2.99999999994897),(4.53553390588763,-0.535533905977846),(0.999999999923449,-2),(-2.53553390599589,-0.535533905869586)) |
||||
| ((-2,2),(-1.12132034355423,4.12132034356506),(1.00000000001531,5),(3.12132034357588,4.1213203435434),(4,1.99999999996938),(3.12132034353258,-0.121320343586707),(0.999999999954069,-1),(-1.12132034359753,-0.121320343521752)) |
||||
| ((90,200),(92.9289321881526,207.071067811884),(100.000000000051,210),(107.07106781192,207.071067811811),(110,199.999999999898),(107.071067811775,192.928932188044),(99.9999999998469,190),(92.9289321880082,192.928932188261)) |
||||
| ((0,0),(29.2893218815257,70.7106781188352),(100.00000000051,100),(170.710678119196,70.7106781181135),(200,-1.02068239345139e-09),(170.710678117753,-70.7106781195569),(99.999999998469,-100),(29.2893218800822,-70.7106781173917)) |
||||
(6 rows) |
||||
|
||||
-- |
||||
-- Circles |
||||
-- |
||||
SELECT '' AS six, circle(f1, 50.0) |
||||
FROM POINT_TBL; |
||||
six | circle |
||||
-----+----------------- |
||||
| <(0,0),50> |
||||
| <(-10,0),50> |
||||
| <(-3,4),50> |
||||
| <(5.1,34.5),50> |
||||
| <(-5,-12),50> |
||||
| <(10,10),50> |
||||
(6 rows) |
||||
|
||||
SELECT '' AS four, circle(f1) |
||||
FROM BOX_TBL; |
||||
four | circle |
||||
------+------------------------- |
||||
| <(1,1),1.4142135623731> |
||||
| <(2,2),1.4142135623731> |
||||
| <(2.5,3),0.5> |
||||
| <(3,3),0> |
||||
(4 rows) |
||||
|
||||
SELECT '' AS two, circle(f1) |
||||
FROM POLYGON_TBL |
||||
WHERE (# f1) >= 3; |
||||
two | circle |
||||
-----+-------------------------------------------------------- |
||||
| <(1.33333333333333,1.33333333333333),2.04168905063636> |
||||
| <(2.33333333333333,1.33333333333333),1.47534300379185> |
||||
(2 rows) |
||||
|
||||
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, point using <<; |
||||
twentyfour | circle | point | distance |
||||
------------+----------------+------------+------------------ |
||||
| <(100,0),100> | (5.1,34.5) | 0.97653192697797 |
||||
| <(1,2),3> | (-3,4) | 1.47213595499958 |
||||
| <(0,0),3> | (-3,4) | 2 |
||||
| <(100,0),100> | (-3,4) | 3.07764064044152 |
||||
| <(100,0),100> | (-5,-12) | 5.68348972285122 |
||||
| <(1,3),5> | (-10,0) | 6.40175425099138 |
||||
| <(1,3),5> | (10,10) | 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) | 26.7657047773223 |
||||
| <(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) |
||||
|
Loading…
Reference in new issue