It was registered as side effect of an excessive definition that got
cleaned up in 338dbe70a6.
Looking at other removed redundant type oids, this was the only one
missing from the `string_types` map.
Close#578.
The wrong associations are overwritten in the typecaster map by the
right ones, so they have been harmless to date, but only because of the
order of creation of the adapters.
Empty array can be returned untyped by postgres. To handle
this case, a special handler is added for the type UNKNOWNOID.
If the value return by the database is strictly equal to "{}",
the value is converted. Otherwise, the conversion fallback on
the default handler.
(typecast_mxdatetime): same here.
* psycopg/typecast_builtins.c (typecast_builtins): make array
static.
* psycopg/psycopgmodule.c: add hidden visibility to a bunch of
global variables here.
* psycopg/psycopg.h: add set QueryCanceledError and
TransactionRollbackError to hidden visibility.
