Merge magare.gmz:/home/kgeorge/mysql/work/mysql-5.0-opt

into  magare.gmz:/home/kgeorge/mysql/work/merge-5.1-opt


mysql-test/r/gis.result:
  Auto merged
mysql-test/r/type_bit.result:
  Auto merged
mysql-test/r/type_blob.result:
  Auto merged
mysql-test/t/gis.test:
  Auto merged
mysql-test/t/type_bit.test:
  Auto merged
mysql-test/t/type_blob.test:
  Auto merged
sql/item.h:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_string.cc:
  Auto merged
tests/mysql_client_test.c:
  Auto merged
mysql-test/r/subselect.result:
  null merge. resolve latete.
mysql-test/t/subselect.test:
  merge 5.0-opt -> 5.1-opt
sql/key.cc:
  merge 5.0-opt -> 5.1-opt
sql/sql_class.h:
  merge 5.0-opt -> 5.1-opt
sql/sql_insert.cc:
  merge 5.0-opt -> 5.1-opt
sql/sql_table.cc:
  merge 5.0-opt -> 5.1-opt

1 files changed, 6 insertions, 0 deletions

diff --git a/sql/opt_range.cc b/sql/opt_range.cc
index c67687b2bde..10280168f07 100644
--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -2161,12 +2161,18 @@ int SQL_SELECT::test_quick_select(THD *thd, key_map keys_to_use,
   keys_to_use.intersect(head->keys_in_use_for_query);
   if (!keys_to_use.is_clear_all())
   {
+#ifndef EMBEDDED_LIBRARY                      // Avoid compiler warning
+    char buff[STACK_BUFF_ALLOC];
+#endif
     MEM_ROOT alloc;
     SEL_TREE *tree= NULL;
     KEY_PART *key_parts;
     KEY *key_info;
     PARAM param;
 
+    if (check_stack_overrun(thd, 2*STACK_MIN_SIZE, buff))
+      DBUG_RETURN(0);                           // Fatal error flag is set
+
     /* set up parameter that is passed to all functions */
     param.thd= thd;
     param.baseflag= head->file->ha_table_flags();