Joe Conway <[EMAIL PROTECTED]> writes:Any guidance on the preferred fix?
We cannot fix this by changing ExecScanSubPlan as you suggest. That would amount to saying that all plans have to be run to completion, which destroys LIMIT to name just one unpleasant consequence.
I suspected as much.
There is a mechanism available for functions to arrange to get cleanup callbacks when a containing plan is shut down early --- see RegisterExprContextCallback and ShutdownExprContext. It looks like this is not used by the existing SRF support, but I suspect it should be.
OK -- I'll take a look.
[ scratches head ... ] Right at the moment I don't see where ShutdownExprContext gets called during a ReScan operation. I'm quite sure it once was ... there may be another bug here ...
Thanks, I'll keep that in mind too.
Joe
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