Andrew Dunstan <andrew@dunslane.net> writes:
> Use a new hstore extension version for added json functions.
> This should have been done when the json functionality was added to
> hstore in 9.3.0. To handle this correctly, the upgrade script therefore
> uses conditional logic by using plpgsql in a DO statement to add the two
> new functions and the new cast. If hstore_to_json_loose is detected as
> already present and dependent on the hstore extension nothing is done.
> This will require that the database be loaded with plpgsql.
> People who have installed the earlier and spurious 1.1 version of hstore
> will need to do:
> ALTER EXTENSION hstore UPDATE;
> to pick up the new functions properly.
> Branch
> ------
> REL9_3_STABLE
Um ... I think it's too late to do that sort of thing in 9.3.
regards, tom lane