Peter Geoghegan <pe...@2ndquadrant.com> writes:
> Should we have an optional, disabled-by-default limit on the
> recursion/iteration depth of recursive CTEs to guard against stupid
> queries that loop ad infinitum?
I think not ...
> I'd suggest that an appropriate interface would be an int GUC with a
> GucContext of PGC_SUSET, so that DBAs can impose system-wide limits.
... and that would be a seriously bad API. There are not SUSET
restrictions on other resources such as work_mem. Why do we need
one for this?
By and large, this sounds like a solution looking for a problem.
regards, tom lane
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