Stephan Szabo <sszabo@megazone.bigpanda.com> writes:
> If there were some way to pass a "limit" into SPI_prepare that was treated
> similarly to a LIMIT clause for planning purposes but didn't actually
> change the output plan to only return that number of rows, we could use
> that.
Hmm ... the planner does have the ability to do that sort of thing (we
use it for cursors). SPI_prepare doesn't expose the capability.
Perhaps adding a SPI_prepare variant that does expose it would be the
quickest route to a solution.
I get a headache every time I look at the RI triggers ;-). Do they
always know at the time of preparing a plan which way it will be used?
regards, tom lane