Fixes after merge with 4.0

mysql-test/r/heap_btree.result:
  Updated results
mysql-test/r/heap_hash.result:
  Updated results
mysql-test/r/merge.result:
  Updated results
mysql-test/r/rpl_log.result:
  Updated results
mysql-test/r/select.result:
  Updated results
mysql-test/r/subselect.result:
  Updated results
sql/item_cmpfunc.h:
  Fix after merge
sql/log_event.cc:
  Fix after merge
sql/mysql_priv.h:
  Fix after merge
sql/sql_acl.cc:
  Fix after merge
sql/sql_class.cc:
  Fix after merge
sql/sql_db.cc:
  Fix after merge
sql/sql_delete.cc:
  Fix after merge
sql/sql_lex.cc:
  Fix after merge
sql/sql_lex.h:
  Fix after merge
sql/sql_parse.cc:
  Fix after merge
sql/sql_update.cc:
  Fix after merge
sql/sql_yacc.yy:
  Fix after merge

mysql-test/r/heap_btree.result

@@ -66,14 +66,14 @@ a
 alter table t1 type=myisam;
 explain select * from t1 where a in (869751,736494,226312,802616);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	uniq_id	uniq_id	4	NULL	4	where used; Using index
+1	SIMPLE	t1	range	uniq_id	uniq_id	4	NULL	4	Using where; Using index
 drop table t1;
 create table t1 (x int not null, y int not null, key x  using BTREE (x,y), unique y  using BTREE (y))
 type=heap;
 insert into t1 values (1,1),(2,2),(1,3),(2,4),(2,5),(2,6);
 explain select * from t1 where x=1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	x	x	4	const	1	where used
+1	SIMPLE	t1	ref	x	x	4	const	1	Using where
 select * from t1 where x=1;
 x	y
 1	1
@@ -124,17 +124,17 @@ a	b
 1	6
 explain select * from tx where a=x order by a,b;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-x	SIMPLE	tx	ref	a	a	x	const	x	where used
+x	SIMPLE	tx	ref	a	a	x	const	x	Using where
 explain select * from tx where a=x order by b;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-x	SIMPLE	tx	ref	a	a	x	const	x	where used
+x	SIMPLE	tx	ref	a	a	x	const	x	Using where
 select * from t1 where b=1;
 a	b
 1	1
 1	1
 explain select * from tx where b=x;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-x	SIMPLE	tx	ref	b	b	x	const	x	where used
+x	SIMPLE	tx	ref	b	b	x	const	x	Using where
 drop table t1;
 create table t1 (id int unsigned not null, primary key  using BTREE (id)) type=HEAP;
 insert into t1 values(1);
@@ -175,17 +175,17 @@ create table t1 (btn char(10) not null, key using BTREE (btn)) type=heap;
 insert into t1 values ("hello"),("hello"),("hello"),("hello"),("hello"),("a"),("b"),("c"),("d"),("e"),("f"),("g"),("h"),("i");
 explain select * from t1 where btn like "q%";
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	btn	NULL	NULL	NULL	14	where used
+1	SIMPLE	t1	ALL	btn	NULL	NULL	NULL	14	Using where
 select * from t1 where btn like "q%";
 btn
 alter table t1 add column new_col char(1) not null, add key using BTREE (btn,new_col), drop key btn;
 update t1 set new_col=btn;
 explain select * from t1 where btn="a";
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	btn	btn	10	const	1	where used
+1	SIMPLE	t1	ref	btn	btn	10	const	1	Using where
 explain select * from t1 where btn="a" and new_col="a";
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	btn	btn	11	const,const	1	where used
+1	SIMPLE	t1	ref	btn	btn	11	const,const	1	Using where
 drop table t1;
 CREATE TABLE t1 (
 a int default NULL,
@@ -198,7 +198,7 @@ SELECT * FROM t1 WHERE a=NULL;
 a	b
 explain SELECT * FROM t1 WHERE a IS NULL;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a	a	5	const	1	where used
+1	SIMPLE	t1	ref	a	a	5	const	1	Using where
 SELECT * FROM t1 WHERE a<=>NULL;
 a	b
 NULL	99
@@ -206,7 +206,7 @@ SELECT * FROM t1 WHERE b=NULL;
 a	b
 explain SELECT * FROM t1 WHERE b IS NULL;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	b	b	5	const	1	where used
+1	SIMPLE	t1	ref	b	b	5	const	1	Using where
 SELECT * FROM t1 WHERE b<=>NULL;
 a	b
 99	NULL

mysql-test/r/heap_hash.result

@@ -66,7 +66,7 @@ a
 alter table t1 type=myisam;
 explain select * from t1 where a in (869751,736494,226312,802616);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	uniq_id	uniq_id	4	NULL	4	where used; Using index
+1	SIMPLE	t1	range	uniq_id	uniq_id	4	NULL	4	Using where; Using index
 drop table t1;
 create table t1 (x int not null, y int not null, key x  using HASH (x), unique y  using HASH (y))
 type=heap;
@@ -159,17 +159,17 @@ create table t1 (btn char(10) not null, key using HASH (btn)) type=heap;
 insert into t1 values ("hello"),("hello"),("hello"),("hello"),("hello"),("a"),("b"),("c"),("d"),("e"),("f"),("g"),("h"),("i");
 explain select * from t1 where btn like "q%";
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	btn	NULL	NULL	NULL	14	where used
+1	SIMPLE	t1	ALL	btn	NULL	NULL	NULL	14	Using where
 select * from t1 where btn like "q%";
 btn
 alter table t1 add column new_col char(1) not null, add key using HASH (btn,new_col), drop key btn;
 update t1 set new_col=btn;
 explain select * from t1 where btn="a";
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	btn	NULL	NULL	NULL	14	where used
+1	SIMPLE	t1	ALL	btn	NULL	NULL	NULL	14	Using where
 explain select * from t1 where btn="a" and new_col="a";
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	btn	btn	11	const,const	10	where used
+1	SIMPLE	t1	ref	btn	btn	11	const,const	10	Using where
 drop table t1;
 CREATE TABLE t1 (
 a int default NULL,
@@ -182,7 +182,7 @@ SELECT * FROM t1 WHERE a=NULL;
 a	b
 explain SELECT * FROM t1 WHERE a IS NULL;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	a	a	5	const	10	where used
+1	SIMPLE	t1	ref	a	a	5	const	10	Using where
 SELECT * FROM t1 WHERE a<=>NULL;
 a	b
 NULL	99
@@ -190,7 +190,7 @@ SELECT * FROM t1 WHERE b=NULL;
 a	b
 explain SELECT * FROM t1 WHERE b IS NULL;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ref	b	b	5	const	1	where used
+1	SIMPLE	t1	ref	b	b	5	const	1	Using where
 SELECT * FROM t1 WHERE b<=>NULL;
 a	b
 99	NULL

mysql-test/r/merge.result

@@ -35,10 +35,10 @@ insert into t1 select NULL,message from t2;
 create table t3 (a int not null, b char(20), key(a)) type=MERGE UNION=(test.t1,test.t2);
 explain select * from t3 where a < 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	range	a	a	4	NULL	10	Using where
+1	SIMPLE	t3	range	a	a	4	NULL	18	Using where
 explain select * from t3 where a > 10 and a < 20;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	range	a	a	4	NULL	10	Using where
+1	SIMPLE	t3	range	a	a	4	NULL	16	Using where
 select * from t3 where a = 10;
 a	b
 10	Testing
@@ -581,18 +581,18 @@ KEY files (fileset_id,fileset_root_id)
 ) TYPE=MRG_MyISAM UNION=(t1);
 EXPLAIN SELECT * FROM t2 IGNORE INDEX (files) WHERE fileset_id = 2
 AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
-table	type	possible_keys	key	key_len	ref	rows	Extra
-t2	range	PRIMARY	PRIMARY	33	NULL	5	Using where
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	PRIMARY	PRIMARY	33	NULL	5	Using where
 EXPLAIN SELECT * FROM t2 WHERE fileset_id = 2
 AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
-table	type	possible_keys	key	key_len	ref	rows	Extra
-t2	range	PRIMARY,files	PRIMARY	33	NULL	5	Using where
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	range	PRIMARY,files	PRIMARY	33	NULL	5	Using where
 EXPLAIN SELECT * FROM t1 WHERE fileset_id = 2
 AND file_code BETWEEN '0000000115' AND '0000000120' LIMIT 1;
-table	type	possible_keys	key	key_len	ref	rows	Extra
-t1	range	PRIMARY,files	PRIMARY	33	NULL	5	Using where
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	PRIMARY,files	PRIMARY	33	NULL	5	Using where
 EXPLAIN SELECT * FROM t2 WHERE fileset_id = 2
 AND file_code = '0000000115' LIMIT 1;
-table	type	possible_keys	key	key_len	ref	rows	Extra
-t2	const	PRIMARY,files	PRIMARY	33	const,const	1	
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t2	const	PRIMARY,files	PRIMARY	33	const,const	1	
 DROP TABLE IF EXISTS t1, t2;

mysql-test/r/rpl_log.result

@@ -72,7 +72,7 @@ show binlog events in 'slave-bin.000001' from 4;
 Log_name	Pos	Event_type	Server_id	Orig_log_pos	Info
 slave-bin.000001	4	Start	2	4	Server ver: VERSION, Binlog ver: 3
 slave-bin.000001	79	Query	1	79	use `test`; create table t1(n int not null auto_increment primary key)
-slave-bin.000001	172	Intvar	1	200	INSERT_ID=1
+slave-bin.000001	172	Intvar	1	172	INSERT_ID=1
 slave-bin.000001	200	Query	1	200	use `test`; insert into t1 values (NULL)
 slave-bin.000001	263	Query	1	263	use `test`; drop table t1
 slave-bin.000001	311	Query	1	311	use `test`; create table t1 (word char(20) not null)

mysql-test/r/select.result

@@ -1331,10 +1331,10 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t2	ref	fld3	fld3	30	const	1	Using where; Using index
 explain select fld3 from t2 ignore index (fld3) where fld3 = 'honeysuckle';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	index	NULL	fld3	30	NULL	1199	Using where; Using index
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
 explain select fld3 from t2 use index (fld1) where fld3 = 'honeysuckle';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	index	NULL	fld3	30	NULL	1199	Using where; Using index
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1199	Using where
 explain select fld3 from t2 use index (fld3) where fld3 = 'honeysuckle';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t2	ref	fld3	fld3	30	const	1	Using where; Using index

mysql-test/r/subselect.result

@@ -60,9 +60,9 @@ a	b
 explain select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1) 
 union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	where used
+1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where
 2	SUBSELECT	t3	ALL	NULL	NULL	NULL	NULL	3	Using filesort
-3	UNION	t4	ALL	NULL	NULL	NULL	NULL	3	where used; Using filesort
+3	UNION	t4	ALL	NULL	NULL	NULL	NULL	3	Using where; Using filesort
 4	SUBSELECT	t2	ALL	NULL	NULL	NULL	NULL	2	
 select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
 (select a from t3 where a<t2.a*4 order by 1 desc limit 1)	a
@@ -76,8 +76,8 @@ explain select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
 (select * from t2 where a>1) as tt;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	<derived3>	system	NULL	NULL	NULL	NULL	1	
-3	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	where used
-2	SUBSELECT	t3	ALL	NULL	NULL	NULL	NULL	3	where used; Using filesort
+3	DERIVED	t2	ALL	NULL	NULL	NULL	NULL	2	Using where
+2	SUBSELECT	t3	ALL	NULL	NULL	NULL	NULL	3	Using where; Using filesort
 select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
 a
 2
@@ -95,7 +95,7 @@ explain select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a))
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	3	
 2	DEPENDENT SUBSELECT	t2	ALL	NULL	NULL	NULL	NULL	2	
-3	DEPENDENT SUBSELECT	t3	ALL	NULL	NULL	NULL	NULL	3	where used
+3	DEPENDENT SUBSELECT	t3	ALL	NULL	NULL	NULL	NULL	3	Using where
 select * from t3 where exists (select * from t2 where t2.b=t3.a);
 a
 7
@@ -129,8 +129,8 @@ NULL	1
 explain select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	
-2	DEPENDENT SUBSELECT	t1	system	NULL	NULL	NULL	NULL	1	where used
-3	DEPENDENT UNION	t5	ALL	NULL	NULL	NULL	NULL	2	where used
+2	DEPENDENT SUBSELECT	t1	system	NULL	NULL	NULL	NULL	1	Using where
+3	DEPENDENT UNION	t5	ALL	NULL	NULL	NULL	NULL	2	Using where
 select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
 Subselect returns more than 1 record
 create table attend (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@@ -200,11 +200,11 @@ INSERT INTO searchconthardwarefr3 (topic,date,pseudo) VALUES
 ('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
 EXPLAIN SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	searchconthardwarefr3	index	NULL	PRIMARY	41	NULL	2	where used; Using index
+1	SIMPLE	searchconthardwarefr3	index	NULL	PRIMARY	41	NULL	2	Using where; Using index
 EXPLAIN SELECT (SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY								No tables used
-2	SUBSELECT	searchconthardwarefr3	index	NULL	PRIMARY	41	NULL	2	where used; Using index
+2	SUBSELECT	searchconthardwarefr3	index	NULL	PRIMARY	41	NULL	2	Using where; Using index
 SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03';
 date
 2002-08-03

sql/item_cmpfunc.h

@@ -213,10 +213,10 @@ class Item_func_if :public Item_func
   longlong val_int();
   String *val_str(String *str);
   enum Item_result result_type () const { return cached_result_type; }
-  bool fix_fields(THD *thd,struct st_table_list *tlist)
+  bool fix_fields(THD *thd,struct st_table_list *tlist, Item **ref)
   {
     args[0]->top_level_item();
-    return Item_func::fix_fields(thd,tlist);
+    return Item_func::fix_fields(thd, tlist, ref);
   }
   void fix_length_and_dec();
   const char *func_name() const { return "if"; }

sql/log_event.cc

@@ -1159,11 +1159,12 @@ int Load_log_event::write_data_body(IO_CACHE* file)
 Load_log_event::Load_log_event(THD *thd_arg, sql_exchange *ex,
 			       const char *db_arg, const char *table_name_arg,
 			       List<Item> &fields_arg,
-			       enum enum_duplicates handle_dup)
-  :Log_event(thd_arg),thread_id(thd_arg->thread_id), num_fields(0),fields(0),
-  field_lens(0),field_block_len(0),
-  table_name(table_name_arg ? table_name_arg : ""),
-  db(db_arg), fname(ex->file_name)
+			       enum enum_duplicates handle_dup,
+			       bool using_trans)
+  :Log_event(thd_arg, 0, using_trans), thread_id(thd_arg->thread_id),
+   num_fields(0), fields(0), field_lens(0),field_block_len(0),
+   table_name(table_name_arg ? table_name_arg : ""),
+   db(db_arg), fname(ex->file_name)
 {
   time_t end_time;
   time(&end_time);

sql/mysql_priv.h

@@ -541,7 +541,6 @@ bool add_field_to_list(char *field_name, enum enum_field_types type,
 		       char *change, TYPELIB *interval,CHARSET_INFO *cs);
 void store_position_for_column(const char *name);
 bool add_to_list(SQL_LIST &list,Item *group,bool asc=0);
-void set_lock_for_tables(thr_lock_type lock_type);
 void add_join_on(TABLE_LIST *b,Item *expr);
 void add_join_natural(TABLE_LIST *a,TABLE_LIST *b);
 bool add_proc_to_list(Item *item);

sql/sql_acl.cc

@@ -1359,10 +1359,10 @@ static int replace_user_table(THD *thd, TABLE *table, const LEX_USER &combo,
     case SSL_TYPE_NOT_SPECIFIED:
       break;
     case SSL_TYPE_NONE:
-      table->field[24]->store("",0);
-      table->field[25]->store("",0);
-      table->field[26]->store("",0);
-      table->field[27]->store("",0);
+      table->field[24]->store("", 0, system_charset_info);
+      table->field[25]->store("", 0, system_charset_info);
+      table->field[26]->store("", 0, system_charset_info);
+      table->field[27]->store("", 0, system_charset_info);
       break;
     }
 

sql/sql_class.cc

@@ -214,11 +214,11 @@ void THD::init(void)
 void THD::change_user(void)
 {
   cleanup();
-  cleanup_done=0;
+  cleanup_done= 0;
   init();
-  hash_init(&user_vars, USER_VARS_HASH_SIZE, 0, 0,
+  hash_init(&user_vars, system_charset_info, USER_VARS_HASH_SIZE, 0, 0,
 	    (hash_get_key) get_var_key,
-	    (hash_free_key) free_user_var,0);
+	    (hash_free_key) free_user_var, 0);
 }
 
 

sql/sql_db.cc

@@ -282,7 +282,7 @@ int mysql_alter_db(THD *thd, const char *db, HA_CREATE_INFO *create_info)
   mysql_update_log.write(thd,thd->query, thd->query_length);
   if (mysql_bin_log.is_open())
   {
-    Query_log_event qinfo(thd, thd->query, thd->query_length);
+    Query_log_event qinfo(thd, thd->query, thd->query_length, 0);
     mysql_bin_log.write(&qinfo);
   }
   send_ok(thd, result);

sql/sql_delete.cc

@@ -35,7 +35,7 @@ int mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds, ORDER *order,
   SQL_SELECT	*select=0;
   READ_RECORD	info;
   bool 		using_limit=limit != HA_POS_ERROR;
-  bool	        using_transactions, log_delayed, safe_update, const_cond;
+  bool		transactional_table, log_delayed, safe_update, const_cond; 
   ha_rows	deleted;
   DBUG_ENTER("mysql_delete");
 

sql/sql_lex.cc

@@ -1180,7 +1180,6 @@ bool st_select_lex_unit::create_total_list_n_last_return(THD *thd, st_lex *lex,
 	if (!cursor)
 	{
 	  /* Add not used table to the total table list */
-	  aux->lock_type= lex->lock_option;
 	  if (!(cursor= (TABLE_LIST *) thd->memdup((char*) aux,
 						   sizeof(*aux))))
 	  {

sql/sql_lex.h

@@ -239,7 +239,7 @@ class st_select_lex_node {
 					thr_lock_type flags= TL_UNLOCK,
 					List<String> *use_index= 0,
 					List<String> *ignore_index= 0);
-
+  virtual void set_lock_for_tables(thr_lock_type lock_type) {}
   void mark_as_dependent(st_select_lex *last);
 private:
   void fast_exclude();
@@ -364,6 +364,7 @@ class st_select_lex: public st_select_lex_node
 				thr_lock_type flags= TL_UNLOCK,
 				List<String> *use_index= 0,
 				List<String> *ignore_index= 0);
+  void set_lock_for_tables(thr_lock_type lock_type);
   inline void init_order()
   {
     order_list.elements= 0;

sql/sql_parse.cc

@@ -3409,7 +3409,8 @@ TABLE_LIST *st_select_lex::add_table_to_list(Table_ident *table,
     DBUG_RETURN(0);				// End of memory
   alias_str= alias ? alias->str : table->table.str;
   if (table->table.length > NAME_LEN ||
-      (table->table.length && check_table_name(table->table.str,table->table.length)) ||
+      (table->table.length &&
+       check_table_name(table->table.str,table->table.length)) ||
       table->db.str && check_db_name(table->db.str))
   {
     net_printf(thd,ER_WRONG_TABLE_NAME,table->table.str);
@@ -3489,15 +3490,14 @@ TABLE_LIST *st_select_lex::add_table_to_list(Table_ident *table,
     query
 */
 
-void set_lock_for_tables(thr_lock_type lock_type)
+void st_select_lex::set_lock_for_tables(thr_lock_type lock_type)
 {
-  THD	*thd=current_thd;
   bool for_update= lock_type >= TL_READ_NO_INSERT;
   DBUG_ENTER("set_lock_for_tables");
   DBUG_PRINT("enter", ("lock_type: %d  for_update: %d", lock_type,
 		       for_update));
 
-  for (TABLE_LIST *tables= (TABLE_LIST*) thd->lex.select->table_list.first ;
+  for (TABLE_LIST *tables= (TABLE_LIST*) table_list.first ;
        tables ;
        tables=tables->next)
   {

sql/sql_update.cc

@@ -52,7 +52,8 @@ int mysql_update(THD *thd,
 		 ha_rows limit,
 		 enum enum_duplicates handle_duplicates)
 {
-  bool 		using_limit=limit != HA_POS_ERROR, safe_update= thd->options & OPTION_SAFE_UPDATES;
+  bool 		using_limit=limit != HA_POS_ERROR;
+  bool		safe_update= thd->options & OPTION_SAFE_UPDATES;
   bool		used_key_is_modified, transactional_table, log_delayed;
   int		error=0;
   uint		save_time_stamp, used_index, want_privilege;

sql/sql_yacc.yy

@@ -646,7 +646,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 	table_to_table_list table_to_table opt_table_list opt_as
 	handler_rkey_function handler_read_or_scan
 	single_multi table_wild_list table_wild_one opt_wild
-	union opt_union union_list union_option
+	union union_list union_option
 	precision opt_on_delete_item subselect_start opt_and
 	subselect_end select_var_list select_var_list_init help opt_len
 END_OF_INPUT
@@ -2817,7 +2817,7 @@ insert:
 	INSERT { Lex->sql_command = SQLCOM_INSERT; } insert_lock_option
 	opt_ignore insert2 
 	{
-	  set_lock_for_tables($3);
+	  Select->set_lock_for_tables($3);
 	}
 	insert_field_spec
 	;
@@ -2831,7 +2831,7 @@ replace:
 	}
 	replace_lock_option insert2
 	{
-	  set_lock_for_tables($3);
+	  Select->set_lock_for_tables($3);
 	}
 	insert_field_spec
 	;
@@ -2891,7 +2891,8 @@ insert_values:
 	    mysql_init_select(lex);
 	  }
 	  select_options select_item_list select_from select_lock_type
-          opt_union {};
+          union {}
+	;
 
 values_list:
 	values_list ','  no_braces
@@ -2958,7 +2959,7 @@ expr_or_default:
 /* Update rows in a table */
 
 update:
-        UPDATE_SYM 
+	UPDATE_SYM 
 	{ 
 	  LEX *lex= Lex;
           lex->sql_command= SQLCOM_UPDATE;
@@ -2967,7 +2968,7 @@ update:
         opt_low_priority opt_ignore join_table_list
 	SET update_list where_clause opt_order_clause delete_limit_clause
 	{
-	  set_lock_for_tables($3);
+	  Select->set_lock_for_tables($3);
 	}
 	;
 
@@ -3004,7 +3005,7 @@ delete:
 single_multi:
  	FROM table_ident
 	{
-	  if (!add_table_to_list($2, NULL, 1, Lex->lock_option))
+	  if (!Select->add_table_to_list($2, NULL, 1, Lex->lock_option))
 	    YYABORT;
 	}
 	where_clause opt_order_clause
@@ -4239,9 +4240,10 @@ rollback:
 */
 
 
-opt_union:	
+union:
 	/* empty */ {}
-	| union_list;
+	| union_list
+	;
 
 union_list:
 	UNION_SYM    union_option
@@ -4267,7 +4269,8 @@ union_list:
 
 union_opt:
 	union_list {}
-	| optional_order_or_limit {};
+	| optional_order_or_limit {}
+	;
 
 optional_order_or_limit:
       	/* empty