Apache+Postgresql (mod_auth_pgsql)

hi,

i have an apache private directory and i would like to manage the
user&pass from a postgresql database. i think there is something like
mod_auth_pgsql but i do not know how can i use it. (i do not have mysql)

this is the current configuration:

<Directory "/www/privado">
AuthName "ZONA RESTRINGIDA"
AuthType Basic
AuthUserFile /www/passwd.file
# AuthGroupFile /usr/local/apache/group.web
require valid-user
Options FollowSymLinks Includes
AllowOverride Options AuthConfig
Order allow,deny
Allow from all
ErrorDocument 401 /error.htm
ErrorDocument 403 /error.htm
ErrorDocument 404 /www/error.htm
</Directory>

Firstly, how can i change this configuration in orden to allow
connections to a database to verify user&password. How many fields could

the database have? (login,pass,city,....)
Secondly, how can i have stadistics of how many times an users has got
into the privated directory. (any suggestion) Perhaps could be a script
to write into the database. ?¿?
Thirdly, Any suggestions will be pleased,

thanks in advance,

marcos
marcos(at)ival(dot)es