<h3>NAME</h3>
repeat_exec(): Repeatedly executes given query or queries until some condition holds.

<h3>TYPE</h3>
Procedure

<h3>DESCRIPTION</h3>
<p>
This procedure repeats execution of query or queries, on a given interval. It terminates according
to a given condition, which may be one of several types (see following), including dynamic calculation.
</p>
<p>
The procedure is essentially a <i>repeat-until</i> looping device. It is tailored to fit common
use case scenarios, such as <i>repeat-until no more r