Merge with 4.0.11

BitKeeper/etc/gone:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
Makefile.am:
  Auto merged
bdb/os/os_handle.c:
  Auto merged
client/mysqladmin.c:
  Auto merged
client/mysqlcheck.c:
  Auto merged
client/mysqldump.c:
  Auto merged
client/mysqltest.c:
  Auto merged
extra/resolveip.c:
  Auto merged
include/Makefile.am:
  Auto merged
include/config-win.h:
  Auto merged
include/my_base.h:
  Auto merged
include/my_global.h:
  Auto merged
include/my_pthread.h:
  Auto merged
include/my_sys.h:
  Auto merged
include/mysql.h:
  Auto merged
innobase/btr/btr0cur.c:
  Auto merged
innobase/os/os0file.c:
  Auto merged
innobase/srv/srv0srv.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
libmysql/Makefile.am:
  Auto merged
libmysql/Makefile.shared:
  Auto merged
libmysql/manager.c:
  Auto merged
libmysqld/libmysqld.c:
  Auto merged
myisam/ft_static.c:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/mi_open.c:
  Auto merged
myisam/mi_test3.c:
  Auto merged
myisam/myisamdef.h:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/func_group.result:
  Auto merged
mysql-test/r/func_math.result:
  Auto merged
mysql-test/r/handler.result:
  Auto merged
mysql-test/r/query_cache.result:
  Auto merged
mysql-test/r/select_found.result:
  Auto merged
mysql-test/r/union.result:
  Auto merged
mysql-test/t/backup.test:
  Auto merged
mysql-test/t/bigint.test:
  Auto merged
mysql-test/t/binary.test:
  Auto merged
mysql-test/t/count_distinct.test:
  Auto merged
mysql-test/t/func_crypt.test:
  Auto merged
mysql-test/t/func_group.test:
  Auto merged
mysql-test/t/grant_cache.test:
  Auto merged
mysql-test/t/handler.test:
  Auto merged
mysql-test/t/query_cache.test:
  Auto merged
mysql-test/t/rpl000015.test:
  Auto merged
mysql-test/t/rpl000017.test:
  Auto merged
mysys/default.c:
  Auto merged
mysys/my_getwd.c:
  Auto merged
mysys/my_init.c:
  Auto merged
sql/Makefile.am:
  Auto merged
sql/des_key_file.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/ha_myisammrg.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/hostname.cc:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_create.h:
  Auto merged
sql/item_func.h:
  Auto merged
sql/item_strfunc.cc:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/item_sum.h:
  Auto merged
sql/lex.h:
  Auto merged
sql/net_serv.cc:
  Auto merged
sql/opt_sum.cc:
  Auto merged
sql/repl_failsafe.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/slave.h:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_repl.cc:
  Auto merged
sql/sql_select.h:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_udf.cc:
  Auto merged
sql-bench/crash-me.sh:
  Auto merged
sql-bench/server-cfg.sh:
  Auto merged
sql-bench/test-insert.sh:
  Auto merged
sql/share/english/errmsg.txt:
  Auto merged
sql/table.cc:
  Auto merged
Docs/manual.texi:
  Use remote version
client/mysql.cc:
  Merge
configure.in:
  Merge
libmysql/libmysql.c:
  Merge
libmysqld/lib_sql.cc:
  Merge
myisam/ft_stopwords.c:
  Merge
myisam/myisamchk.c:
  Merge
mysql-test/r/bigint.result:
  Merge
mysql-test/r/group_by.result:
  Merge
mysql-test/r/rpl000009.result:
  Merge
mysql-test/t/group_by.test:
  Merge
mysql-test/t/rpl000009.test:
  Merge
mysql-test/t/rpl_rotate_logs.test:
  Merge
mysys/Makefile.am:
  Merge
mysys/charset.c:
  Merge
sql/item.h:
  Merge
sql/item_cmpfunc.cc:
  Merge
sql/item_cmpfunc.h:
  Merge
sql/item_create.cc:
  Merge
sql/item_func.cc:
  Merge
sql/item_strfunc.h:
  Merge
sql/log.cc:
  Merge
sql/mysql_priv.h:
  Merge
sql/mysqld.cc:
  Merge
sql/protocol.cc:
  Merge
sql/slave.cc:
  Merge
sql/sql_class.h:
  Merge
sql/sql_db.cc:
  Merge
sql/sql_handler.cc:
  Merge
sql/sql_parse.cc:
  Merge
sql/sql_select.cc:
  Merge
sql/sql_yacc.yy:
  Merge

1 files changed, 18 insertions, 1 deletions

diff --git a/sql/item.h b/sql/item.h
index 6f83348f0c6..8c7914cefeb 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+/* Copyright (C) 2000-2003
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -97,6 +97,10 @@ public:
   virtual bool get_time(TIME *ltime);
   virtual bool is_null() { return 0; };
   virtual void top_level_item() {}
+  virtual void set_result_field(Field *field) {}
+  virtual bool is_result_field() { return 0; }
+  virtual void save_in_result_field(bool no_conversions) {}
+  virtual void no_rows_in_result() {}
   virtual Item *copy_or_same(THD *thd) { return this; }
   virtual Item *get_tmp_table_item(THD *thd) { return copy_or_same(thd); }
 
@@ -450,12 +454,19 @@ public:
   Field *tmp_table_field(TABLE *t_arg) { return result_field; }
   table_map used_tables() const { return 1; }
   virtual void fix_length_and_dec()=0;
+  void set_result_field(Field *field) { result_field= field; }
+  bool is_result_field() { return 1; }
+  void save_in_result_field(bool no_conversions)
+  {
+    save_in_field(result_field, no_conversions);
+  }
 };
 
 
 class Item_ref :public Item_ident
 {
 public:
+  Field *result_field;				/* Save result here */
   Item **ref;
   Item_ref(char *db_par,char *table_name_par,char *field_name_par)
     :Item_ident(db_par,table_name_par,field_name_par),ref(0) {}
@@ -504,6 +515,12 @@ public:
   enum Item_result result_type () const { return (*ref)->result_type(); }
   enum_field_types field_type() const   { return (*ref)->field_type(); }
   table_map used_tables() const		{ return (*ref)->used_tables(); }
+  void set_result_field(Field *field) { result_field= field; }
+  bool is_result_field() { return 1; }
+  void save_in_result_field(bool no_conversions)
+  {
+    (*ref)->save_in_field(result_field, no_conversions);
+  }
 };
 
 class Item_in_subselect;