Merge moonbone.local:/mnt/gentoo64/work/bk-trees/mysql-5.0-opt

into  moonbone.local:/mnt/gentoo64/work/bk-trees/mysql-5.1-opt


mysql-test/r/func_str.result:
  Auto merged
mysql-test/r/key.result:
  Auto merged
mysql-test/r/row.result:
  Auto merged
mysql-test/r/subselect.result:
  Auto merged
mysql-test/r/subselect3.result:
  Auto merged
mysql-test/r/view.result:
  Auto merged
mysql-test/t/func_str.test:
  Auto merged
mysql-test/t/key.test:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/item_strfunc.h:
  Auto merged
sql/item_subselect.h:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_view.cc:
  Auto merged
mysql-test/t/view.test:
  Manually merged
sql/sql_lex.h:
  Manually merged

1 files changed, 8 insertions, 0 deletions

diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 850586c6098..1175776ffd3 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -541,6 +541,7 @@ public:
   bool change_result(select_subselect *result, select_subselect *old_result);
   void set_limit(st_select_lex *values);
   void set_thd(THD *thd_arg) { thd= thd_arg; }
+  inline bool is_union (); 
 
   friend void lex_start(THD *thd, const char *buf, uint length);
   friend int subselect_union_engine::exec();
@@ -795,6 +796,13 @@ private:
 };
 typedef class st_select_lex SELECT_LEX;
 
+
+inline bool st_select_lex_unit::is_union ()
+{ 
+  return first_select()->next_select() && 
+    first_select()->next_select()->linkage == UNION_TYPE;
+}
+
 #define ALTER_ADD_COLUMN	(1L << 0)
 #define ALTER_DROP_COLUMN	(1L << 1)
 #define ALTER_CHANGE_COLUMN	(1L << 2)