timeline is not needed in BaseBackup()

This code was accidentally part of the patch, it's only
needed for the code that's for 9.2. Not needing the timeline
also removes the need to call IDENTIFY_SYSTEM.

Noted by Peter E.

diff --git a/src/bin/pg_basebackup/pg_basebackup.c b/src/bin/pg_basebackup/pg_basebackup.c
index aeec8136c4a02dbfaf8ccf8abb3007ac487df096..a5d9c2e6520f9f3d81119d05917ef5d072e942a4 100644 (file)
--- a/src/bin/pg_basebackup/pg_basebackup.c
+++ b/src/bin/pg_basebackup/pg_basebackup.c
@@ -756,7 +756,6 @@ static void
 BaseBackup(void)
 {
        PGresult   *res;
-       uint32          timeline;
        char            current_path[MAXPGPATH];
        char            escaped_label[MAXPGPATH];
        int                     i;
@@ -768,25 +767,6 @@ BaseBackup(void)
         */
        conn = GetConnection();
 
-       /*
-        * Run IDENFITY_SYSTEM so we can get the timeline
-        */
-       res = PQexec(conn, "IDENTIFY_SYSTEM");
-       if (PQresultStatus(res) != PGRES_TUPLES_OK)
-       {
-               fprintf(stderr, _("%s: could not identify system: %s\n"),
-                               progname, PQerrorMessage(conn));
-               disconnect_and_exit(1);
-       }
-       if (PQntuples(res) != 1)
-       {
-               fprintf(stderr, _("%s: could not identify system, got %i rows\n"),
-                               progname, PQntuples(res));
-               disconnect_and_exit(1);
-       }
-       timeline = atoi(PQgetvalue(res, 0, 1));
-       PQclear(res);
-
        /*
         * Start the actual backup
         */