Merge sanja.is.com.ua:/home/bell/mysql/bk/work-top3-4.1

into sanja.is.com.ua:/home/bell/mysql/bk/work-simple_in-4.1


mysql-test/r/subselect.result:
  Auto merged
mysql-test/t/subselect.test:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/sql_lex.h:
  Auto merged
sql/sql_select.cc:
  Auto merged

1 files changed, 21 insertions, 3 deletions

diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 6d47894d737..fb336faa2a6 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -349,7 +349,12 @@ public:
   // Arrays of pointers to top elements of all_fields list
   Item **ref_pointer_array;
 
-  uint select_items;    /* number of items in select_list */
+  /*
+    number of items in select_list and HAVING clause used to get number
+    bigger then can be number of entries that will be added to all item
+    list during split_sum_func
+  */
+  uint select_n_having_items;
   uint cond_count;      /* number of arguments of and/or/xor in where/having */
   enum_parsing_place parsing_place; /* where we are parsing expression */
   bool with_sum_func;   /* sum function indicator */
@@ -361,14 +366,27 @@ public:
   bool  braces;   	/* SELECT ... UNION (SELECT ... ) <- this braces */
   /* TRUE when having fix field called in processing of this SELECT */
   bool having_fix_field;
+
   /* 
-     TRUE for primary st_select_lex structure of simple INSERT/REPLACE
+     SELECT for SELECT command st_select_lex. Used to privent scaning
+     item_list of non-SELECT st_select_lex (no sense find to finding
+     reference in it (all should be in tables, it is dangerouse due
+     to order of fix_fields calling for non-SELECTs commands (item list
+     can be not fix_fieldsd)). This value will be assigned for
+     primary select (sql_yac.yy) and for any subquery and
+     UNION SELECT (sql_parse.cc mysql_new_select())
+
+
+     INSERT for primary st_select_lex structure of simple INSERT/REPLACE
      (used for name resolution, see Item_fiels & Item_ref fix_fields,
      FALSE for INSERT/REPLACE ... SELECT, because it's
      st_select_lex->table_list will be preprocessed (first table removed)
      before passing to handle_select)
+
+     NOMATTER for other
   */
-  bool insert_select;
+  enum {NOMATTER_MODE, SELECT_MODE, INSERT_MODE} resolve_mode;
+
 
   void init_query();
   void init_select();