Merge dl145h.mysql.com:/data0/mkindahl/mysql-5.1

into  dl145h.mysql.com:/data0/mkindahl/mysql-5.1-rpl

mysql-test/mysql-test-run.pl

@@ -3870,14 +3870,6 @@ sub mysqld_arguments ($$$$) {
     mtr_add_arg($args, "%s--user=root");
   }
 
-  # When mysqld is run by a root user(euid is 0), it will fail
-  # to start unless we specify what user to run as, see BUG#30630
-  my $euid= $>;
-  if (!$glob_win32 and $euid == 0 and
-      (grep(/^--user/, @$extra_opt, @opt_extra_mysqld_opt)) == 0) {
-    mtr_add_arg($args, "%s--user=root", $prefix);
-  }
-
   if ( $opt_valgrind_mysqld )
   {
     mtr_add_arg($args, "%s--skip-safemalloc", $prefix);

sql/rpl_rli.cc

@@ -33,7 +33,10 @@ Relay_log_info::Relay_log_info()
   :Slave_reporting_capability("SQL"),
    no_storage(FALSE), replicate_same_server_id(::replicate_same_server_id),
    info_fd(-1), cur_log_fd(-1), save_temporary_tables(0),
-   group_relay_log_pos(0),
+   group_relay_log_pos(0), event_relay_log_pos(0),
+#if HAVE_purify
+   is_fake(FALSE),
+#endif
    cur_log_old_open_count(0), group_master_log_pos(0), log_space_total(0),
    ignore_log_space_limit(0), last_master_timestamp(0), slave_skip_counter(0),
    abort_pos_wait(0), slave_run_id(0), sql_thd(0),

sql/rpl_rli.h

@@ -154,6 +154,10 @@ class Relay_log_info : public Slave_reporting_capability
   ulonglong event_relay_log_pos;
   ulonglong future_event_relay_log_pos;
 
+#ifdef HAVE_purify
+  bool is_fake; /* Mark that this is a fake relay log info structure */
+#endif
+
   /* 
      Original log name and position of the group we're currently executing
      (whose coordinates are group_relay_log_name/pos in the relay log)

sql/slave.cc

@@ -1893,6 +1893,10 @@ int apply_event_and_update_pos(Log_event* ev, THD* thd, Relay_log_info* rli,
   if (exec_res == 0)
   {
     int error= ev->update_pos(rli);
+#ifdef HAVE_purify
+    if (!rli->is_fake)
+#endif
+    {
       char buf[22];
       DBUG_PRINT("info", ("update_pos error = %d", error));
       DBUG_PRINT("info", ("group %s %s",
@@ -1901,6 +1905,7 @@ int apply_event_and_update_pos(Log_event* ev, THD* thd, Relay_log_info* rli,
       DBUG_PRINT("info", ("event %s %s",
                           llstr(rli->event_relay_log_pos, buf),
                           rli->event_relay_log_name));
+    }
     /*
       The update should not fail, so print an error message and
       return an error code.
@@ -1910,6 +1915,7 @@ int apply_event_and_update_pos(Log_event* ev, THD* thd, Relay_log_info* rli,
     */
     if (error)
     {
+      char buf[22];
       rli->report(ERROR_LEVEL, ER_UNKNOWN_ERROR,
                   "It was not possible to update the positions"
                   " of the relay log information: the slave may"

sql/sql_binlog.cc

@@ -56,6 +56,9 @@ void mysql_client_binlog_statement(THD* thd)
   if (!thd->rli_fake)
   {
     thd->rli_fake= new Relay_log_info;
+#ifdef HAVE_purify
+    thd->rli_fake->is_fake= TRUE;
+#endif
     have_fd_event= FALSE;
   }
   if (thd->rli_fake && !thd->rli_fake->relay_log.description_event_for_exec)