pg_conndefaults − get connection options and their defaults
pg_conndefaults
pg_conndefaults returns information about the connection options available in pg_connect -conninfo and the current default value for each option.
None
The result is a list describing the possible connection options and their current default values. Each entry in the list is a sublist of the format:
{optname label
dispchar dispsize value}
where the optname is usable as an option in
pg_connect -conninfo.