David Johnston <pol...@yahoo.com> writes:
> Need to discuss the general "why" before any meaningful help on the "how" is
> going to be considered by hackers.
Possibly worth noting is that in past discussions, we've concluded that
the most sensible type of hint would not be "use this plan" at all, but
"here's what to assume about the selectivity of this WHERE clause".
That seems considerably less likely to break than any attempt to directly
specify plan details.
regards, tom lane
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