Fix typos.

MasaoFujii · MasaoFujii · commit 95233011a08f · 2020-09-14T14:16:07.000+09:00
Author: Naoki Nakamichi Discussion: https://postgr.es/m/b6919d145af00295a8e86ce4d034b7cd@oss.nttdata.com
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c
@@ -4106,7 +4106,7 @@ GlobalVisCheckRemovableXid(Relation rel, TransactionId xid)
  *
  * Be very careful about when to use this function. It can only safely be used
  * when there is a guarantee that xid is within MaxTransactionId / 2 xids of
- * rel. That e.g. can be guaranteed if the the caller assures a snapshot is
+ * rel. That e.g. can be guaranteed if the caller assures a snapshot is
  * held by the backend and xid is from a table (where vacuum/freezing ensures
  * the xid has to be within that range), or if xid is from the procarray and
  * prevents xid wraparound that way.
diff --git a/src/backend/utils/time/snapmgr.c b/src/backend/utils/time/snapmgr.c
@@ -1855,7 +1855,7 @@ TransactionIdLimitedForOldSnapshots(TransactionId recentXmin,
 		if (ts == threshold_timestamp)
 		{
 			/*
-			 * Current timestamp is in same bucket as the the last limit that
+			 * Current timestamp is in same bucket as the last limit that
 			 * was applied. Reuse.
 			 */
 			xlimit = threshold_xid;

Original file line number	Diff line number	Diff line change
`@@ -4106,7 +4106,7 @@ GlobalVisCheckRemovableXid(Relation rel, TransactionId xid)`
`4106`	`4106`	`*`
`4107`	`4107`	`* Be very careful about when to use this function. It can only safely be used`
`4108`	`4108`	`* when there is a guarantee that xid is within MaxTransactionId / 2 xids of`
`4109`		`- * rel. That e.g. can be guaranteed if the the caller assures a snapshot is`
	`4109`	`+ * rel. That e.g. can be guaranteed if the caller assures a snapshot is`
`4110`	`4110`	`* held by the backend and xid is from a table (where vacuum/freezing ensures`
`4111`	`4111`	`* the xid has to be within that range), or if xid is from the procarray and`
`4112`	`4112`	`* prevents xid wraparound that way.`
Original file line number	Diff line number	Diff line change
`@@ -1855,7 +1855,7 @@ TransactionIdLimitedForOldSnapshots(TransactionId recentXmin,`
`1855`	`1855`	`if (ts == threshold_timestamp)`
`1856`	`1856`	`{`
`1857`	`1857`	`/*`
`1858`		`- * Current timestamp is in same bucket as the the last limit that`
	`1858`	`+ * Current timestamp is in same bucket as the last limit that`
`1859`	`1859`	`* was applied. Reuse.`
`1860`	`1860`	`*/`
`1861`	`1861`	`xlimit = threshold_xid;`