Обсуждение: BUG #13906: improper hstore_to_json_loose functioning

The following bug has been logged on the website:

Bug reference:      13906
Logged by:          Dmitry Ryabov
Email address:      dmitry-ryabov@mail.ru
PostgreSQL version: 9.4.5
Operating system:   any
Description:

select hstore_to_json_loose(hstore('abc', '2016-01-01'))

any date/time/timestamp interpreted as the number

dmitry-ryabov@mail.ru writes:
> select hstore_to_json_loose(hstore('abc', '2016-01-01'))
> any date/time/timestamp interpreted as the number

Yeah, that's broken all right.  Looking more closely, the combination of
IsValidJsonNumber and json_lex_number will fail to notice trailing junk
that is not part of a number unless that junk is (or at least begins with)
an alphanumeric.  The "-" here breaks that.

Will fix, thanks for the report!

            regards, tom lane