Merge mysql.com:/Users/davi/mysql/mysql-5.0-runtime

into  mysql.com:/Users/davi/mysql/mysql-5.1-runtime

mysql-test/r/ps.result

@@ -1717,6 +1717,22 @@ t1	CREATE TABLE `t1` (
   `?` decimal(2,1) DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
+drop table if exists t1;
+create table t1 (a bigint unsigned, b bigint(20) unsigned);
+prepare stmt from "insert into t1 values (?,?)";
+set @a= 9999999999999999;
+set @b= 14632475938453979136;
+insert into t1 values (@a, @b);
+select * from t1 where a = @a and b = @b;
+a	b
+9999999999999999	14632475938453979136
+execute stmt using @a, @b;
+select * from t1 where a = @a and b = @b;
+a	b
+9999999999999999	14632475938453979136
+9999999999999999	14632475938453979136
+deallocate prepare stmt;
+drop table t1;
 End of 5.0 tests.
 create procedure proc_1() reset query cache;
 call proc_1();

mysql-test/t/ps.test

@@ -1821,6 +1821,23 @@ execute stmt using @a;
 show create table t1;
 drop table t1;
 
+#
+# Bug#33798: prepared statements improperly handle large unsigned ints
+#
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+create table t1 (a bigint unsigned, b bigint(20) unsigned);
+prepare stmt from "insert into t1 values (?,?)";
+set @a= 9999999999999999;
+set @b= 14632475938453979136;
+insert into t1 values (@a, @b);
+select * from t1 where a = @a and b = @b;
+execute stmt using @a, @b;
+select * from t1 where a = @a and b = @b;
+deallocate prepare stmt;
+drop table t1;
+
 --echo End of 5.0 tests.
 
 #

sql/item.cc

@@ -2628,6 +2628,7 @@ bool Item_param::set_from_user_var(THD *thd, const user_var_entry *entry)
   if (entry && entry->value)
   {
     item_result_type= entry->type;
+    unsigned_flag= entry->unsigned_flag;
     if (strict_type && required_result_type != item_result_type)
       DBUG_RETURN(1);
     switch (item_result_type) {
@@ -2925,7 +2926,10 @@ const String *Item_param::query_val_str(String* str) const
 {
   switch (state) {
   case INT_VALUE:
-    str->set(value.integer, &my_charset_bin);
+    if (unsigned_flag)
+      str->set((ulonglong) value.integer, &my_charset_bin);
+    else
+      str->set(value.integer, &my_charset_bin);
     break;
   case REAL_VALUE:
     str->set_real(value.real, NOT_FIXED_DEC, &my_charset_bin);