This module is contained in the mod_pgsql.c file, and is not compiled in
by default.  It provides the backend support to connect to Postgresql
databases.

@heading Postgres Database Directives

@subheading @anchor{PostgresInfo} PostgresInfo

@format
Syntax: PostgresInfo host user pass dbname
Syntax: PostgresInfo host dbname
Default: none
Context: server config, virtual host
@end format

Configures the Posgresql database driver (the database may be remote).
A connection isn't made until use of a SQL feature requires it, after
which it may be held open for the lifetime of the FTP session depending
on the directives in use.

@subheading @anchor{PostgresPort} PostgresPort

@format
Syntax: PostgresPort [num]
Default: 5432
Context: server config, virtual host
@end format

Specifies which TCP/IP port to use for connecting.  Default is 5432, or
UNIX socket for localhost.
