Disable CFS GC during pg_restore

Author: knizhnik

src/bin/pg_dump/pg_backup_archiver.c

@@ -314,6 +314,7 @@ RestoreArchive(Archive *AHX)
 	bool		parallel_mode;
 	TocEntry   *te;
 	OutputContext sav;
+	bool gc_was_enabled = false;
 
 	AH->stage = STAGE_INITIALIZING;
 
@@ -455,6 +456,16 @@ RestoreArchive(Archive *AHX)
 			ahprintf(AH, "BEGIN;\n\n");
 	}
 
+	/* 
+	 * Stop CFS GC
+	 */
+	if (AH->connection)
+	{
+		PGresult *res = ExecuteSqlQuery((Archive*)AH, "select cfs_enable_gc(false)", PGRES_TUPLES_OK);
+		gc_was_enabled = *PQgetvalue(res, 0, 0);
+		PQclear(res);
+	}
+
 	/*
 	 * Establish important parameter values right away.
 	 */
@@ -693,6 +704,12 @@ RestoreArchive(Archive *AHX)
 			ahprintf(AH, "COMMIT;\n\n");
 	}
 
+	if (gc_was_enabled) 
+	{
+		PGresult *res = ExecuteSqlQuery((Archive*)AH, "select cfs_enable_gc(true)", PGRES_TUPLES_OK);
+		PQclear(res);
+	}
+
 	if (AH->public.verbose)
 		dumpTimestamp(AH, "Completed on", time(NULL));