function mysqldump_user_db() { $mysql_bin --opt --user="root" "$2"; }
function postgresvalid() { [ -x $postgres_bin -a -x /usr/lib/postgresql/bin/pg_ctl ]; }
function postgresusers() { echo "root"; } #FIXME
function postgresdb_user() { su -s /bin/sh postgres -c "/usr/bin/psql -t -c 'select datname from pg_database order by datname' -d template1 | sed -e 's/ //' | grep -v '^template[01]$'"; }
function postgresdump_user_db() { su -s /bin/sh postgres -c "$postgres_bin $2"; }