Stub deadlock detector implementation in global_snapshot.

arssher · arssher · commit 6aa72a0cb4d2 · 2018-07-18T17:07:12.000+03:00
diff --git a/src/backend/access/transam/global_snapshot.c b/src/backend/access/transam/global_snapshot.c
@@ -875,15 +875,12 @@ DtmLocalEnd(DtmCurrentTrans * x)
 }
 
 /*
- * Now only timestapm based dealock detection is supported for pg_tsdtm.
- * Please adjust "deadlock_timeout" parameter in postresql.conf to avoid false
- * deadlock detection.
+ * Not implemented here.
  */
 bool
 DtmDetectGlobalDeadLock(PGPROC *proc)
 {
-	elog(WARNING, "Global deadlock?");
-	return true;
+	return false;
 }
 
 static size_t

Original file line number	Diff line number	Diff line change
`@@ -875,15 +875,12 @@ DtmLocalEnd(DtmCurrentTrans * x)`
`875`	`875`	`}`
`876`	`876`
`877`	`877`	`/*`
`878`		`- * Now only timestapm based dealock detection is supported for pg_tsdtm.`
`879`		`- * Please adjust "deadlock_timeout" parameter in postresql.conf to avoid false`
`880`		`- * deadlock detection.`
	`878`	`+ * Not implemented here.`
`881`	`879`	`*/`
`882`	`880`	`bool`
`883`	`881`	`DtmDetectGlobalDeadLock(PGPROC *proc)`
`884`	`882`	`{`
`885`		`- elog(WARNING, "Global deadlock?");`
`886`		`- return true;`
	`883`	`+ return false;`
`887`	`884`	`}`
`888`	`885`
`889`	`886`	`static size_t`