90 lines
2.2 KiB
Plaintext
90 lines
2.2 KiB
Plaintext
|
QUERY: CREATE TABLE CIRCLE_TBL (f1 circle);
|
||
|
|
QUERY: INSERT INTO CIRCLE_TBL VALUES ('<(0,0),3>');
|
||
|
|
QUERY: INSERT INTO CIRCLE_TBL VALUES ('<(1,2),100>');
|
||
|
|
QUERY: INSERT INTO CIRCLE_TBL VALUES ('1,3,5');
|
||
|
|
QUERY: INSERT INTO CIRCLE_TBL VALUES ('((1,2),3)');
|
||
|
|
QUERY: INSERT INTO CIRCLE_TBL VALUES ('<(100,200),10>');
|
||
|
|
QUERY: INSERT INTO CIRCLE_TBL VALUES ('<(100,0),100>');
|
||
|
|
QUERY: INSERT INTO CIRCLE_TBL VALUES ('<(-100,0),-100>');
|
||
|
|
WARN:Bad circle external representation '<(-100,0),-100>'
|
||
|
|
QUERY: INSERT INTO CIRCLE_TBL VALUES ('1abc,3,5');
|
||
|
|
WARN:Bad circle external representation '1abc,3,5'
|
||
|
|
QUERY: INSERT INTO CIRCLE_TBL VALUES ('(3,(1,2),3)');
|
||
|
|
WARN:Bad circle external representation '(3,(1,2),3)'
|
||
|
|
QUERY: SELECT * FROM CIRCLE_TBL;
|
||
|
|
f1
|
||
|
|
--------------
|
||
|
|
<(0,0),3>
|
||
|
|
<(1,2),100>
|
||
|
|
<(1,3),5>
|
||
|
|
<(1,2),3>
|
||
|
|
<(100,200),10>
|
||
|
|
<(100,0),100>
|
||
|
|
(6 rows)
|
||
|
|
|
||
|
|
QUERY: SELECT '' AS six, center(f1) AS center
|
||
|
|
FROM CIRCLE_TBL;
|
||
|
|
six|center
|
||
|
|
---+---------
|
||
|
|
|(0,0)
|
||
|
|
|(1,2)
|
||
|
|
|(1,3)
|
||
|
|
|(1,2)
|
||
|
|
|(100,200)
|
||
|
|
|(100,0)
|
||
|
|
(6 rows)
|
||
|
|
|
||
|
|
QUERY: SELECT '' AS six, radius(f1) AS radius
|
||
|
|
FROM CIRCLE_TBL;
|
||
|
|
six|radius
|
||
|
|
---+------
|
||
|
|
| 3
|
||
|
|
| 100
|
||
|
|
| 5
|
||
|
|
| 3
|
||
|
|
| 10
|
||
|
|
| 100
|
||
|
|
(6 rows)
|
||
|
|
|
||
|
|
QUERY: SELECT '' AS six, diameter(f1) AS diameter
|
||
|
|
FROM CIRCLE_TBL;
|
||
|
|
six|diameter
|
||
|
|
---+--------
|
||
|
|
| 6
|
||
|
|
| 200
|
||
|
|
| 10
|
||
|
|
| 6
|
||
|
|
| 20
|
||
|
|
| 200
|
||
|
|
(6 rows)
|
||
|
|
|
||
|
|
QUERY: SELECT '' AS two, f1 FROM CIRCLE_TBL WHERE radius(f1) < 5;
|
||
|
|
two|f1
|
||
|
|
---+---------
|
||
|
|
|<(0,0),3>
|
||
|
|
|<(1,2),3>
|
||
|
|
(2 rows)
|
||
|
|
|
||
|
|
QUERY: SELECT '' AS four, f1 FROM CIRCLE_TBL WHERE diameter(f1) >= 10;
|
||
|
|
four|f1
|
||
|
|
----+--------------
|
||
|
|
|<(1,2),100>
|
||
|
|
|<(1,3),5>
|
||
|
|
|<(100,200),10>
|
||
|
|
|<(100,0),100>
|
||
|
|
(4 rows)
|
||
|
|
|
||
|
|
QUERY: SELECT '' as five, c1.f1 AS one, c2.f1 AS two, (c1.f1 <===> c2.f1) AS distance
|
||
|
|
FROM CIRCLE_TBL c1, CIRCLE_TBL c2
|
||
|
|
WHERE (c1.f1 < c2.f1) AND ((c1.f1 <===> c2.f1) > 0)
|
||
|
|
ORDER BY distance, one, two;
|
||
|
|
five|one |two | distance
|
||
|
|
----+--------------+--------------+----------------
|
||
|
|
|<(100,200),10>|<(100,0),100> | 90
|
||
|
|
|<(100,200),10>|<(1,2),100> |111.370729772479
|
||
|
|
|<(1,3),5> |<(100,200),10>|205.476756144497
|
||
|
|
|<(1,2),3> |<(100,200),10>|208.370729772479
|
||
|
|
|<(0,0),3> |<(100,200),10>|210.606797749979
|
||
|
|
(5 rows)
|
||
|
|
|