On Mon, Oct 27, 2008 at 05:08:35PM +0300, Oleg Serov wrote:
> I can't get hstore value by key. i have very interesting error
the problem is that -> has very low priority, but you work with it
anyway:
# select tconvert('a', 'b')->'a' is null;
ERROR: operator does not exist: hstore -> boolean
LINE 1: select tconvert('a', 'b')->'a' is null;
^
HINT: No operator matches the given name and argument type(s). You might need to add explicit type casts.
(depesz@[local]:5840) 15:14:03 [depesz]
# select (tconvert('a', 'b')->'a') is null;
?column?
----------
f
(1 row)
depesz
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