~/.postgresqlrc - Per-user PostgreSQL cluster configuration
This file configures the default PostgreSQL version/cluster and the
default database for an user. If it is not present, the system-wide
file /etc/postgresql-common/user_clusters is used instead.
Comments are introduced by the character #. Comments may follow data
on a line; the first comment character terminates the data. Leading
whitespace and blank lines are ignored.
The first uncommented, non-blank line is used, all following lines are
Fields must be given in the following order, separated by white space:
The major PostgreSQL version of the cluster to connect to.
The name of a cluster to connect to. A remote cluster is
specified with host:port. If port is empty, it defaults to 5432.
Within the cluster, the database to which the user will connect
by default if he does not specify a database on the command
line. If this is *, the default database will be the one named
by the user's login id.