Fix typos in comments.

Backpatch to all supported versions, where applicable, to make backpatching
of future fixes go more smoothly.

Josh Soref

Discussion: https://www.postgresql.org/message-id/CACZqfqCf+5qRztLPgmmosr-B0Ye4srWzzw_mo4c_8_B_mtjmJQ@mail.gmail.com

src/backend/replication/logical/launcher.c

@@ -170,7 +170,7 @@ WaitForReplicationWorkerAttach(LogicalRepWorker *worker,
 
 		/*
 		 * Worker started and attached to our shmem. This check is safe
-		 * because only laucher ever starts the workers, so nobody can steal
+		 * because only launcher ever starts the workers, so nobody can steal
 		 * the worker slot.
 		 */
 		if (status == BGWH_STARTED && worker->proc)
@@ -180,7 +180,7 @@ WaitForReplicationWorkerAttach(LogicalRepWorker *worker,
 			return false;
 
 		/*
-		 * We need timeout because we generaly don't get notified via latch
+		 * We need timeout because we generally don't get notified via latch
 		 * about the worker attach.
 		 */
 		rc = WaitLatch(MyLatch,
@@ -533,7 +533,7 @@ AtCommit_ApplyLauncher(void)
 /*
  * Request wakeup of the launcher on commit of the transaction.
  *
- * This is used to send launcher signal to stop sleeping and proccess the
+ * This is used to send launcher signal to stop sleeping and process the
  * subscriptions when current transaction commits. Should be used when new
  * tuple was added to the pg_subscription catalog.
 */
@@ -638,7 +638,7 @@ ApplyLauncherMain(Datum main_arg)
 		else
 		{
 			/*
-			 * The wait in previous cycle was interruped in less than
+			 * The wait in previous cycle was interrupted in less than
 			 * wal_retrieve_retry_interval since last worker was started,
 			 * this usually means crash of the worker, so we should retry
 			 * in wal_retrieve_retry_interval again.

src/backend/replication/logical/origin.c

@@ -1250,7 +1250,7 @@ pg_replication_origin_session_is_setup(PG_FUNCTION_ARGS)
  * Return the replication progress for origin setup in the current session.
  *
  * If 'flush' is set to true it is ensured that the returned value corresponds
- * to a local transaction that has been flushed. this is useful if asychronous
+ * to a local transaction that has been flushed. this is useful if asynchronous
  * commits are used when replaying replicated transactions.
  */
 Datum
@@ -1336,7 +1336,7 @@ pg_replication_origin_advance(PG_FUNCTION_ARGS)
  * Return the replication progress for an individual replication origin.
  *
  * If 'flush' is set to true it is ensured that the returned value corresponds
- * to a local transaction that has been flushed. this is useful if asychronous
+ * to a local transaction that has been flushed. this is useful if asynchronous
  * commits are used when replaying replicated transactions.
  */
 Datum

src/backend/replication/logical/proto.c

@@ -539,7 +539,7 @@ logicalrep_write_attrs(StringInfo out, Relation rel)
 		if (att->attisdropped)
 			continue;
 
-		/* REPLICA IDENTITY FULL means all colums are sent as part of key. */
+		/* REPLICA IDENTITY FULL means all columns are sent as part of key. */
 		if (replidentfull ||
 			bms_is_member(att->attnum - FirstLowInvalidHeapAttributeNumber,
 						  idattrs))

src/backend/replication/logical/reorderbuffer.c

@@ -1714,7 +1714,7 @@ ReorderBufferCommit(ReorderBuffer *rb, TransactionId xid,
  *
  * NB: Transactions handled here have to have actively aborted (i.e. have
  * produced an abort record). Implicitly aborted transactions are handled via
- * ReorderBufferAbortOld(); transactions we're just not interesteded in, but
+ * ReorderBufferAbortOld(); transactions we're just not interested in, but
  * which have committed are handled in ReorderBufferForget().
  *
  * This function purges this transaction and its contents from memory and
@@ -1782,7 +1782,7 @@ ReorderBufferAbortOld(ReorderBuffer *rb, TransactionId oldestRunningXid)
  * toplevel xid.
  *
  * This is significantly different to ReorderBufferAbort() because
- * transactions that have committed need to be treated differenly from aborted
+ * transactions that have committed need to be treated differently from aborted
  * ones since they may have modified the catalog.
  *
  * Note that this is only allowed to be called in the moment a transaction
@@ -2660,7 +2660,7 @@ StartupReorderBuffer(void)
 
 		/*
 		 * ok, has to be a surviving logical slot, iterate and delete
-		 * everythign starting with xid-*
+		 * everything starting with xid-*
 		 */
 		sprintf(path, "pg_replslot/%s", logical_de->d_name);
 

src/backend/replication/logical/snapbuild.c

@@ -614,7 +614,7 @@ SnapBuildGetOrBuildSnapshot(SnapBuild *builder, TransactionId xid)
 	if (builder->snapshot == NULL)
 	{
 		builder->snapshot = SnapBuildBuildSnapshot(builder, xid);
-		/* inrease refcount for the snapshot builder */
+		/* increase refcount for the snapshot builder */
 		SnapBuildSnapIncRefcount(builder->snapshot);
 	}
 
@@ -678,7 +678,7 @@ SnapBuildProcessChange(SnapBuild *builder, TransactionId xid, XLogRecPtr lsn)
 		if (builder->snapshot == NULL)
 		{
 			builder->snapshot = SnapBuildBuildSnapshot(builder, xid);
-			/* inrease refcount for the snapshot builder */
+			/* increase refcount for the snapshot builder */
 			SnapBuildSnapIncRefcount(builder->snapshot);
 		}
 
@@ -911,7 +911,7 @@ SnapBuildEndTxn(SnapBuild *builder, XLogRecPtr lsn, TransactionId xid)
 		{
 			/*
 			 * None of the originally running transaction is running anymore,
-			 * so our incrementaly built snapshot now is consistent.
+			 * so our incrementally built snapshot now is consistent.
 			 */
 			ereport(LOG,
 				  (errmsg("logical decoding found consistent point at %X/%X",

src/backend/replication/logical/worker.c

@@ -327,7 +327,7 @@ slot_store_cstrings(TupleTableSlot *slot, LogicalRepRelMapEntry *rel,
 /*
  * Modify slot with user data provided as C strigs.
  * This is somewhat similar to heap_modify_tuple but also calls the type
- * input fuction on the user data as the input is the text representation
+ * input function on the user data as the input is the text representation
  * of the types.
  */
 static void

src/backend/replication/pgoutput/pgoutput.c

@@ -172,7 +172,7 @@ pgoutput_startup(LogicalDecodingContext * ctx, OutputPluginOptions *opt,
 								&data->protocol_version,
 								&data->publication_names);
 
-		/* Check if we support requested protol */
+		/* Check if we support requested protocol */
 		if (data->protocol_version != LOGICALREP_PROTO_VERSION_NUM)
 			ereport(ERROR,
 				(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
@@ -424,7 +424,7 @@ publication_invalidation_cb(Datum arg, int cacheid, uint32 hashvalue)
 /*
  * Initialize the relation schema sync cache for a decoding session.
  *
- * The hash table is destoyed at the end of a decoding session. While
+ * The hash table is destroyed at the end of a decoding session. While
  * relcache invalidations still exist and will still be invoked, they
  * will just see the null hash table global and take no action.
  */
@@ -540,7 +540,7 @@ rel_sync_cache_relation_cb(Datum arg, Oid relid)
 
 	/*
 	 * We can get here if the plugin was used in SQL interface as the
-	 * RelSchemaSyncCache is detroyed when the decoding finishes, but there
+	 * RelSchemaSyncCache is destroyed when the decoding finishes, but there
 	 * is no way to unregister the relcache invalidation callback.
 	 */
 	if (RelationSyncCache == NULL)
@@ -580,7 +580,7 @@ rel_sync_cache_publication_cb(Datum arg, int cacheid, uint32 hashvalue)
 
 	/*
 	 * We can get here if the plugin was used in SQL interface as the
-	 * RelSchemaSyncCache is detroyed when the decoding finishes, but there
+	 * RelSchemaSyncCache is destroyed when the decoding finishes, but there
 	 * is no way to unregister the relcache invalidation callback.
 	 */
 	if (RelationSyncCache == NULL)