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QUERY: CREATE TABLE PATH_TBL (f1 path);
QUERY: INSERT INTO PATH_TBL VALUES ('[(1,2),(3,4)]');
QUERY: INSERT INTO PATH_TBL VALUES ('((1,2),(3,4))');
QUERY: INSERT INTO PATH_TBL VALUES ('[(0,0),(3,0),(4,5),(1,6)]');
QUERY: INSERT INTO PATH_TBL VALUES ('((1,2),(3,4))');
QUERY: INSERT INTO PATH_TBL VALUES ('1,2 ,3,4');
QUERY: INSERT INTO PATH_TBL VALUES ('[1,2,3, 4]');
QUERY: INSERT INTO PATH_TBL VALUES ('[11,12,13,14]');
QUERY: INSERT INTO PATH_TBL VALUES ('(11,12,13,14)');
QUERY: INSERT INTO PATH_TBL VALUES ('[(,2),(3,4)]');
ERROR: Bad path external representation '[(,2),(3,4)]'
QUERY: INSERT INTO PATH_TBL VALUES ('[(1,2),(3,4)');
ERROR: Bad path external representation '[(1,2),(3,4)'
QUERY: SELECT f1 FROM PATH_TBL;
f1
-------------------------
[(1,2),(3,4)]
((1,2),(3,4))
[(0,0),(3,0),(4,5),(1,6)]
((1,2),(3,4))
((1,2),(3,4))
[(1,2),(3,4)]
[(11,12),(13,14)]
((11,12),(13,14))
(8 rows)
QUERY: SELECT '' AS count, f1 AS open_path FROM PATH_TBL WHERE isopen(f1);
count|open_path
-----+-------------------------
|[(1,2),(3,4)]
|[(0,0),(3,0),(4,5),(1,6)]
|[(1,2),(3,4)]
|[(11,12),(13,14)]
(4 rows)
QUERY: SELECT '' AS count, f1 AS closed_path FROM PATH_TBL WHERE isclosed(f1);
count|closed_path
-----+-----------------
|((1,2),(3,4))
|((1,2),(3,4))
|((1,2),(3,4))
|((11,12),(13,14))
(4 rows)
QUERY: SELECT '' AS count, pclose(f1) AS closed_path FROM PATH_TBL;
count|closed_path
-----+-------------------------
|((1,2),(3,4))
|((1,2),(3,4))
|((0,0),(3,0),(4,5),(1,6))
|((1,2),(3,4))
|((1,2),(3,4))
|((1,2),(3,4))
|((11,12),(13,14))
|((11,12),(13,14))
(8 rows)
QUERY: SELECT '' AS count, popen(f1) AS open_path FROM PATH_TBL;
count|open_path
-----+-------------------------
|[(1,2),(3,4)]
|[(1,2),(3,4)]
|[(0,0),(3,0),(4,5),(1,6)]
|[(1,2),(3,4)]
|[(1,2),(3,4)]
|[(1,2),(3,4)]
|[(11,12),(13,14)]
|[(11,12),(13,14)]
(8 rows)
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