Commite722846

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Improve BackendXidGetPid() to only access allProcs on matching XID

Compilers are able to optimize that, but it makes the code slightly morereadable this way.Author: Zhao JunwangReviewed-by: Ashutosh BapatDiscussion:https://postgr.es/m/CAEG8a3+i9gtqF65B+g_puVaCQuf0rZC-EMqMyEjGFJYOqUUWfA@mail.gmail.com

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Lines changed: 3 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -3174,11 +3174,11 @@ BackendXidGetPid(TransactionId xid)`
`3174`	`3174`
`3175`	`3175`	`for (index=0;index<arrayP->numProcs;index++)`
`3176`	`3176`	`{`
`3177`		`-intpgprocno=arrayP->pgprocnos[index];`
`3178`		`-PGPROC*proc=&allProcs[pgprocno];`
`3179`		`-`
`3180`	`3177`	`if (other_xids[index]==xid)`
`3181`	`3178`	`{`
	`3179`	`+intpgprocno=arrayP->pgprocnos[index];`
	`3180`	`+PGPROC*proc=&allProcs[pgprocno];`
	`3181`	`+`
`3182`	`3182`	`result=proc->pid;`
`3183`	`3183`	`break;`
`3184`	`3184`	`}`

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