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

into  zippy.cornsilk.net:/home/cmiller/work/mysql/mysql-5.1-maint-greener


Makefile.am:
  Auto merged
configure.in:
  Auto merged
include/mysql.h:
  Auto merged
mysql-test/Makefile.am:
  Auto merged
mysql-test/lib/mtr_cases.pl:
  Auto merged
mysql-test/lib/mtr_process.pl:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/r/myisam.result:
  Auto merged
mysql-test/r/view.result:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged
scripts/make_binary_distribution.sh:
  Auto merged
scripts/mysqlbug.sh:
  Auto merged
server-tools/instance-manager/Makefile.am:
  Auto merged
sql/event_queue.cc:
  Auto merged
sql/field.cc:
  Auto merged
sql/field.h:
  Auto merged
sql/item_sum.h:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_plugin.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
storage/federated/ha_federated.cc:
  Auto merged
mysql-test/r/warnings.result:
  Manual merge.
mysql-test/t/warnings.test:
  Manual merge.
strings/ctype-extra.c:
  Manual merge.

1 files changed, 2 insertions, 1 deletions

diff --git a/sql/opt_range.cc b/sql/opt_range.cc
index 7f58e0359c4..628b07631c1 100644
--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -5016,7 +5016,8 @@ static SEL_TREE *get_func_mm_tree(RANGE_OPT_PARAM *param, Item_func *cond_func,
             for (uint idx= 0; idx < param->keys; idx++)
             {
               SEL_ARG *new_interval, *last_val;
-              if (((new_interval= tree2->keys[idx])) && 
+              if (((new_interval= tree2->keys[idx])) &&
+                  (tree->keys[idx]) &&
                   ((last_val= tree->keys[idx]->last())))
               {
                 new_interval->min_value= last_val->max_value;