Merge bk-internal.mysql.com:/home/bk/mysql-5.1

into  bodhi.local:/opt/local/work/mysql-5.1-runtime-merge


mysql-test/t/disabled.def:
  Auto merged
mysql-test/t/ps.test:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_lex.h:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_view.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/table.cc:
  Auto merged
storage/csv/ha_tina.cc:
  Auto merged
storage/myisam/ha_myisam.cc:
  Auto merged
mysql-test/r/ps.result:
  SCCS merged

1 files changed, 3 insertions, 2 deletions

diff --git a/sql/handler.cc b/sql/handler.cc
index 280e518b3c5..13fe1ce6f1d 100644
--- a/sql/handler.cc
+++ b/sql/handler.cc
@@ -1483,8 +1483,9 @@ bool handler::check_if_log_table_locking_is_allowed(uint sql_command,
 {
   /*
     Deny locking of the log tables, which is incompatible with
-    concurrent insert. Unless called from a logger THD:
-    general_log_thd or slow_log_thd.
+    concurrent insert. The routine is not called if the table is
+    being locked from a logger THD (general_log_thd or slow_log_thd)
+    or from a privileged thread (see log.cc for details)
   */
   if (table->s->log_table &&
       sql_command != SQLCOM_TRUNCATE &&