#!/usr/bin/env bash
set -e

cd /

tables="$(printf "'%s'," "${@//\'/\'\'}")"
tables="${tables%,}"

psql postgres -v ON_ERROR_STOP=1 <<EOF
SELECT pg_terminate_backend(s.pid)
    FROM pg_stat_activity s, pg_roles r
    WHERE
        s.datname IN ($tables)
        AND r.rolname = CURRENT_USER
        AND (s.usename = r.rolname OR r.rolsuper = 't')
        AND s.pid <> pg_backend_pid();
EOF