Neil Conway <neilc(at)samurai(dot)com> writes:
> Attached is a patch that avoids a needless copy of the result tuple in
> nodeMaterial, in the case that we don't have a previously-materialized
> tuple to return.
Seems like this needs more comments about what's happening, rather
than less ...
Also, it looks to me like the plan node's own resultslot might never be
assigned to at all, when the subplan returns zero rows. Does this
corner case still work correctly?
regards, tom lane
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