>>>>> "Kyotaro" == Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp> writes:
>> You might want to try running the same test, but after patching>> ExecSupportsMarkRestore to return false for index
scans.This will>> cause the planner to insert a Materialize node to handle the>> mark/restore.
Kyotaro> Mmm? The patch bt-nopin-v1.patch seems not contain the changeKyotaro> for ExecSupportMarkRestore and the very
simplefunction remainKyotaro> looking to return true for T_Index(Only)Scan after the patchKyotaro> applied.
Right. I'm suggesting you change that, in order to determine what
performance cost, if any, would result from abandoning the idea of doing
mark/restore entirely.
--
Andrew (irc:RhodiumToad)