fixed current_thread

sql/sql_yacc.yy

@@ -1800,10 +1800,10 @@ expr_expr:
 	| expr NOT IN_SYM '(' expr_list ')'
 	  { $$= new Item_func_not(new Item_func_in($1,*$5)); }
         | expr IN_SYM in_subselect
-          { $$= new Item_in_subselect(current_thd, $1, $3); }
+          { $$= new Item_in_subselect(YYTHD, $1, $3); }
 	| expr NOT IN_SYM in_subselect
           { 
-            $$= new Item_func_not(new Item_in_subselect(current_thd, $1, $4));
+            $$= new Item_func_not(new Item_in_subselect(YYTHD, $1, $4));
           }
 	| expr BETWEEN_SYM no_and_expr AND expr
 	  { $$= new Item_func_between($1,$3,$5); }
@@ -1824,7 +1824,7 @@ expr_expr:
 	| expr comp_op all_or_any in_subselect %prec EQ
 	{
 	  Item_allany_subselect *it= 
-	    new Item_allany_subselect(current_thd, $1, (*$2)($3), $4);
+	    new Item_allany_subselect(YYTHD, $1, (*$2)($3), $4);
 	  if ($3)
 	    $$ = new Item_func_not(it);	/* ALL */
 	  else
@@ -1870,7 +1870,7 @@ no_in_expr:
 	| no_in_expr comp_op all_or_any in_subselect %prec EQ
 	{
 	  Item_allany_subselect *it= 
-	    new Item_allany_subselect(current_thd, $1, (*$2)($3), $4);
+	    new Item_allany_subselect(YYTHD, $1, (*$2)($3), $4);
 	  if ($3)
 	    $$ = new Item_func_not(it);	/* ALL */
 	  else
@@ -1901,10 +1901,10 @@ no_and_expr:
 	| no_and_expr NOT IN_SYM '(' expr_list ')'
 	  { $$= new Item_func_not(new Item_func_in($1,*$5)); }
         | no_and_expr IN_SYM in_subselect
-          { $$= new Item_in_subselect(current_thd, $1, $3); }
+          { $$= new Item_in_subselect(YYTHD, $1, $3); }
 	| no_and_expr NOT IN_SYM in_subselect
           { 
-            $$= new Item_func_not(new Item_in_subselect(current_thd, $1, $4));
+            $$= new Item_func_not(new Item_in_subselect(YYTHD, $1, $4));
           }
 	| no_and_expr BETWEEN_SYM no_and_expr AND expr
 	  { $$= new Item_func_between($1,$3,$5); }
@@ -1924,7 +1924,7 @@ no_and_expr:
 	| no_and_expr comp_op all_or_any in_subselect %prec EQ
 	{
 	  Item_allany_subselect *it= 
-	    new Item_allany_subselect(current_thd, $1, (*$2)($3), $4);
+	    new Item_allany_subselect(YYTHD, $1, (*$2)($3), $4);
 	  if ($3)
 	    $$ = new Item_func_not(it);	/* ALL */
 	  else