In function `BackendXidGetPid`, when looping every proc's
TransactionId, there is no need to access its PGPROC since there
is shared memory access: `arrayP->pgprocnos[index]`.
Though the compiler can optimize this kind of inefficiency, I
believe we should ship with better code.
--
Regards
Junwang Zhao
0001-BackendXidGetPid-only-access-allProcs-when-xid-match.patch
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