Post-merge fixes.

mysql-test/r/query_cache.result

@@ -1248,10 +1248,10 @@ Variable_name	Value
 Qcache_queries_in_cache	0
 show status like "Qcache_inserts";
 Variable_name	Value
-Qcache_inserts	41
+Qcache_inserts	1
 show status like "Qcache_hits";
 Variable_name	Value
-Qcache_hits	13
+Qcache_hits	1
 /**/ select * from t1;
 a
 /**/ select * from t1;
@@ -1261,8 +1261,8 @@ Variable_name	Value
 Qcache_queries_in_cache	1
 show status like "Qcache_inserts";
 Variable_name	Value
-Qcache_inserts	42
+Qcache_inserts	2
 show status like "Qcache_hits";
 Variable_name	Value
-Qcache_hits	14
+Qcache_hits	2
 drop table t1;

mysql-test/r/sel000100.result

@@ -29,10 +29,10 @@ drop table t1,t2;
 CREATE TABLE t1 (
 html varchar(5) default NULL,
 rin int(11) default '0',
-out int(11) default '0'
+rout int(11) default '0'
 ) TYPE=MyISAM;
 INSERT INTO t1 VALUES ('1',1,0);
-SELECT DISTINCT html,SUM(out)/(SUM(rin)+1) as 'prod' FROM t1 GROUP BY rin;
+SELECT DISTINCT html,SUM(rout)/(SUM(rin)+1) as 'prod' FROM t1 GROUP BY rin;
 html	prod
 1	0.00
 drop table t1;

mysql-test/r/sp-error.result

@@ -35,7 +35,7 @@ call foo();
 ERROR HY000: PROCEDURE foo does not exist
 drop procedure if exists foo;
 Warnings:
-Warning	1272	PROCEDURE foo does not exist
+Warning	1275	PROCEDURE foo does not exist
 create procedure foo()
 foo: loop
 leave bar;

mysql-test/r/symlink.result

@@ -46,8 +46,6 @@ alter table t8 rename t7;
 rename table t7 to t9;
 drop table t1;
 Got one of the listed errors
-Warnings:
-Note	1008	Can't drop database 'test_mysqltest'; database doesn't exist
 Got one of the listed errors
 Got one of the listed errors
 Got one of the listed errors

mysql-test/r/variables.result

@@ -311,7 +311,7 @@ set sql_log_bin=1;
 set sql_log_off=1;
 set sql_log_update=1;
 Warnings:
-Note	1282	The update log is deprecated and replaced by the binary log. SET SQL_LOG_UPDATE has been ignored.
+Note	1285	The update log is deprecated and replaced by the binary log. SET SQL_LOG_UPDATE has been ignored.
 set sql_low_priority_updates=1;
 set sql_max_join_size=200;
 select @@sql_max_join_size,@@max_join_size;

mysql-test/t/sel000100.test

@@ -38,11 +38,11 @@ drop table t1,t2;
 CREATE TABLE t1 (
   html varchar(5) default NULL,
   rin int(11) default '0',
-  out int(11) default '0'
+  rout int(11) default '0'
 ) TYPE=MyISAM;
 
 INSERT INTO t1 VALUES ('1',1,0);
 
-SELECT DISTINCT html,SUM(out)/(SUM(rin)+1) as 'prod' FROM t1 GROUP BY rin;
+SELECT DISTINCT html,SUM(rout)/(SUM(rin)+1) as 'prod' FROM t1 GROUP BY rin;
 
 drop table t1;

mysql-test/t/sp-error.test

@@ -32,18 +32,18 @@ create function func1() returns int
   return 42|
 
 # Can't create recursively
---error 1270
+--error 1273
 create procedure foo()
   create procedure bar() set @x=3|
---error 1270
+--error 1273
 create procedure foo()
   create function bar() returns double return 2.3|
 
 # Already exists
---error 1271
+--error 1274
 create procedure proc1()
   set @x = 42|
---error 1271
+--error 1274
 create function func1() returns int
   return 42|
 
@@ -51,32 +51,32 @@ drop procedure proc1|
 drop function func1|
 
 # Does not exist
---error 1272
+--error 1275
 alter procedure foo|
---error 1272
+--error 1275
 alter function foo|
---error 1272
+--error 1275
 drop procedure foo|
---error 1272
+--error 1275
 drop function foo|
---error 1272
+--error 1275
 call foo()|
 drop procedure if exists foo|
 
 # LEAVE/ITERATE with no match
---error 1275
+--error 1278
 create procedure foo()
 foo: loop
   leave bar;
 end loop|
---error 1275
+--error 1278
 create procedure foo()
 foo: loop
   iterate bar;
 end loop|
 
 # Redefining label
---error 1276
+--error 1279
 create procedure foo()
 foo: loop
   foo: loop
@@ -85,14 +85,14 @@ foo: loop
 end loop foo|
 
 # End label mismatch
---error 1277
+--error 1280
 create procedure foo()
 foo: loop
   set @x=2;
 end loop bar|
 
 # Referring to undef variable
---error 1278
+--error 1281
 create procedure foo(out x int)
 begin
   declare y int;
@@ -106,17 +106,17 @@ begin
   select name from mysql.proc;
   select type from mysql.proc;
 end|
---error 1279
+--error 1282
 call foo()|
 drop procedure foo|
 
 # RETURN in FUNCTION only
---error 1280
+--error 1283
 create procedure foo()
   return 42|
 
 # Doesn't allow queries in FUNCTIONs (for now :-( )
---error 1281
+--error 1284
 create function foo() returns int
 begin
   declare x int;
@@ -130,13 +130,13 @@ create procedure p(x int)
 create function f(x int) returns int
   return x+42|
 
---error 1285
+--error 1288
 call p()|
---error 1285
+--error 1288
 call p(1, 2)|
---error 1285
+--error 1288
 select f()|
---error 1285
+--error 1288
 select f(1, 2)|
 
 drop procedure p|

sql/item.cc

@@ -54,7 +54,7 @@ Item::Item():
     command => we should check thd->lex.current_select on zero (thd->lex
     can be uninitialised)
   */
-  if (thd->lex.current_select)
+  if (thd->lex->current_select)
   {
     SELECT_LEX_NODE::enum_parsing_place place= 
       thd->lex->current_select->parsing_place;

sql/item_subselect.cc

@@ -501,7 +501,7 @@ Item_in_subselect::single_value_transformer(JOIN *join,
     SELECT_LEX_UNIT *unit= select_lex->master_unit();
     substitution= optimizer= new Item_in_optimizer(left_expr, this);
 
-    SELECT_LEX *current= thd->lex.current_select, *up;
+    SELECT_LEX *current= thd->lex->current_select, *up;
 
     thd->lex->current_select= up= current->return_after_parsing();
     //optimizer never use Item **ref => we can pass 0 as parameter
@@ -603,7 +603,7 @@ Item_in_subselect::single_value_transformer(JOIN *join,
 	// fix_field of item will be done in time of substituting 
 	substitution= item;
 	have_to_be_excluded= 1;
-	if (thd->lex.describe)
+	if (thd->lex->describe)
 	{
 	  char warn_buff[MYSQL_ERRMSG_SIZE];
 	  sprintf(warn_buff, ER(ER_SELECT_REDUCED), select_lex->select_number);
@@ -634,15 +634,15 @@ Item_in_subselect::row_value_transformer(JOIN *join,
     SELECT_LEX_UNIT *unit= select_lex->master_unit();
     substitution= optimizer= new Item_in_optimizer(left_expr, this);
 
-    SELECT_LEX *current= thd->lex.current_select, *up;
+    SELECT_LEX *current= thd->lex->current_select, *up;
-    thd->lex.current_select= up= current->return_after_parsing();
+    thd->lex->current_select= up= current->return_after_parsing();
     //optimizer never use Item **ref => we can pass 0 as parameter
     if (!optimizer || optimizer->fix_left(thd, up->get_table_list(), 0))
     {
-      thd->lex.current_select= current;
+      thd->lex->current_select= current;
       DBUG_RETURN(ERROR);
     }
-    thd->lex.current_select= current;
+    thd->lex->current_select= current;
 
     unit->dependent= 1;
   }

sql/mysqld.cc

@@ -2009,7 +2009,6 @@ static int init_common_variables(const char *conf_file_name, int argc,
     before MY_INIT(). So we do it here.
   */
   mysql_log.init_pthread_objects();
-  mysql_update_log.init_pthread_objects();
   mysql_slow_log.init_pthread_objects();
   mysql_bin_log.init_pthread_objects();
   

sql/slave.cc

@@ -2385,7 +2385,7 @@ static int exec_relay_log_event(THD* thd, RELAY_LOG_INFO* rli)
   
     thd->server_id = ev->server_id; // use the original server id for logging
     thd->set_time();				// time the query
-    thd->lex.current_select= 0;
+    thd->lex->current_select= 0;
     if (!ev->when)
       ev->when = time(NULL);
     ev->thd = thd;

sql/sp_head.cc

@@ -77,12 +77,12 @@ eval_func_item(THD *thd, Item *it, enum enum_field_types type)
     default:
       {
 	char buffer[MAX_FIELD_WIDTH];
-	String tmp(buffer, sizeof(buffer), it->charset());
+	String tmp(buffer, sizeof(buffer), it->collation.collation);
 	String *s= it->val_str(&tmp);
 
 	DBUG_PRINT("info",("default result: %*s",s->length(),s->c_ptr_quick()));
 	it= new Item_string(thd->strmake(s->c_ptr_quick(), s->length()),
-			    s->length(), it->charset());
+			    s->length(), it->collation.collation);
 	break;
       }
     }

sql/sql_parse.cc

@@ -3867,7 +3867,7 @@ void create_select_for_variable(const char *var_name)
   DBUG_ENTER("create_select_for_variable");
 
   thd= current_thd;
-  lex= &thd->lex;
+  lex= thd->lex;
   mysql_init_select(lex);
   lex->sql_command= SQLCOM_SELECT;
   tmp.str= (char*) var_name;

sql/sql_table.cc

@@ -2494,7 +2494,7 @@ copy_data_between_tables(TABLE *from,TABLE *to,
     tables.db	 = from->table_cache_key;
     error=1;
 
-    if (thd->lex.select_lex->setup_ref_array(thd, order_num) ||
+    if (thd->lex->select_lex.setup_ref_array(thd, order_num) ||
 	setup_order(thd, thd->lex->select_lex.ref_pointer_array,
 		    &tables, fields, all_fields, order) ||
         !(sortorder=make_unireg_sortorder(order, &length)) ||

sql/sql_union.cc

@@ -257,7 +257,7 @@ int st_select_lex_unit::exec()
     for (SELECT_LEX *sl= select_cursor; sl; sl= sl->next_select())
     {
       ha_rows rows= 0;
-      thd->lex.current_select= sl;
+      thd->lex->current_select= sl;
 
       if (optimized)
 	res= sl->join->reinit();

sql/sql_update.cc

@@ -95,7 +95,7 @@ int mysql_update(THD *thd,
 
   if (setup_tables(update_table_list) ||
       setup_conds(thd,update_table_list,&conds) ||
-      thd->lex.select_lex->setup_ref_array(thd, order_num) ||
+      thd->lex->select_lex.setup_ref_array(thd, order_num) ||
       setup_order(thd, thd->lex->select_lex.ref_pointer_array,
 		  &tables, all_fields, all_fields, order) ||
       setup_ftfuncs(&thd->lex->select_lex))

sql/sql_yacc.yy

@@ -5251,10 +5251,27 @@ opt_var_ident_type:
 option_value:
 	  '@' ident_or_text equal expr
 	  {
- Lex->var_list.push_back(new set_var_user(new Item_func_set_user_var($2,$4)));
+	    Lex->var_list.push_back(new set_var_user(new Item_func_set_user_var($2,$4)));
+	  }
+	| internal_variable_name equal set_expr_or_default
+	  {
+	    LEX *lex=Lex;
+
+	    if ($1.var)
+	    { /* System variable */
+	      lex->var_list.push_back(new set_var(lex->option_type, $1.var,
+						  &$1.base_name, $3));
+	    }
+            else
+	    { /* An SP local variable */
+	      sp_pvar_t *spv= lex->spcont->find_pvar(&$1.base_name);
+              sp_instr_set *i= new sp_instr_set(lex->sphead->instructions(),
+	                                        spv->offset, $3, spv->type);
+
+	      lex->sphead->add_instr(i);
+	      spv->isset= TRUE;
+	    }
 	  }
-	| internal_or_splocal
-	  {}
 	| '@' '@' opt_var_ident_type internal_variable_name equal set_expr_or_default
 	  {
 	    LEX *lex=Lex;
@@ -5311,12 +5328,25 @@ option_value:
 internal_variable_name:
 	ident
 	{
-	  sys_var *tmp=find_sys_var($1.str, $1.length);
+	  LEX *lex= Lex;
-	  if (!tmp)
+          sp_pcontext *spc= lex->spcont;
-	    YYABORT;
+	  sp_pvar_t *spv;
-	  $$.var= tmp;
+
-	  $$.base_name.str=0;
+	  /* We have to lookup here since local vars can shadow sysvars */
-	  $$.base_name.length=0;
+	  if (!spc || !(spv = spc->find_pvar(&$1)))
+	  { /* Not an SP local variable */
+	    sys_var *tmp=find_sys_var($1.str, $1.length);
+	    if (!tmp)
+	      YYABORT;
+	    $$.var= tmp;
+	    $$.base_name.str=0;
+	    $$.base_name.length=0;
+	  }
+	  else
+	  { /* An SP local variable */
+	    $$.var= NULL;
+	    $$.base_name= $1;
+	  }
 	}
 	| ident '.' ident
 	  {