The only problem left is the correct syntax of the command when using [].
I've tried some versions but it did not work.
Maybe Tom can include an example into the docs.
Hans
shop=# INSERT INTO temppath(fieldname) VALUES '((1,3), (4,12))';
ERROR: parser: parse error at or near "'"
shop=# INSERT INTO temppath(fieldname) VALUES ((1,3), (4,12));
ERROR: parser: parse error at or near ","
shop=# INSERT INTO temppath(fieldname) VALUES ('(1,3), (4,12)');
INSERT 51947 1
shop=# INSERT INTO temppath(fieldname) VALUES ['(1,3), (4,12)'];
ERROR: parser: parse error at or near "["
shop=# INSERT INTO temppath(fieldname) VALUES '[(1,3), (4,12)]';
ERROR: parser: parse error at or near "'"
shop=# INSERT INTO temppath(fieldname) VALUES '[(1,3), (4,12)]'::path;
ERROR: parser: parse error at or near "'"
shop=# INSERT INTO temppath(fieldname) VALUES ['(1,3), (4,12)']::path;
ERROR: parser: parse error at or near "["
shop=# SELECT isopen(fieldname) FROM temppath;isopen
--------f
(1 row)
