Various notification queries

Method : POST
URI : /db/<dbname>/query
Body :

{"sql":"<sql query...>"}

1. list of all registered notification templates

{"sql":"select * from reg_notif"}

2. list of all notifications for a registered notification template

{"sql":"select * from notif where notifid = <id>"}

3. list of all open notifications

{"sql":"select * from notif where openflag = 1"}

4. count of all notifications for a given notification id

{"sql":"select count(*) from notif where notifid = <id>"}

5. count of all open notifications

{"sql":"select count(*) from notif where notifid = <id> and openflag = 1"}