Merge mysql.com:/usr/home/ram/work/bug22533/my41-bug22533

into  mysql.com:/usr/home/ram/work/bug22533/my50-bug22533

mysql-test/t/range.test

@@ -406,8 +406,8 @@ select count(*) from t1 where x = 18446744073709551601;
 
 
 create table t2 (x bigint not null);
-insert into t2(x) values (cast(0xfffffffffffffff0+0 as signed));
-insert into t2(x) values (cast(0xfffffffffffffff1+0 as signed));
+insert into t2(x) values (-16);
+insert into t2(x) values (-15);
 select * from t2;
 select count(*) from t2 where x>0;
 select count(*) from t2 where x=0;

mysql-test/t/select.test

@@ -2349,7 +2349,18 @@ select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
 DROP TABLE t1,t2;
 --enable_ps_protocol
 
-# End of 4.1 tests
+#
+# Bug #22533: storing large hex strings
+#
+
+create table t1(a bigint unsigned, b bigint);
+insert into t1 values (0xfffffffffffffffff, 0xfffffffffffffffff), 
+  (0x10000000000000000, 0x10000000000000000), 
+  (0x8fffffffffffffff, 0x8fffffffffffffff);
+select hex(a), hex(b) from t1;
+drop table t1;
+
+--echo End of 4.1 tests
 
 #
 # Test for bug #6474

sql/item.cc

@@ -4460,18 +4460,31 @@ my_decimal *Item_hex_string::val_decimal(my_decimal *decimal_value)
 
 int Item_hex_string::save_in_field(Field *field, bool no_conversions)
 {
-  int error;
   field->set_notnull();
   if (field->result_type() == STRING_RESULT)
+    return field->store(str_value.ptr(), str_value.length(), 
+                        collation.collation);
+
+  ulonglong nr;
+  uint32 length= str_value.length();
+  if (length > 8)
   {
-    error=field->store(str_value.ptr(),str_value.length(),collation.collation);
+    nr= field->flags & UNSIGNED_FLAG ? ULONGLONG_MAX : LONGLONG_MAX;
+    goto warn;
   }
-  else
+  nr= (ulonglong) val_int();
+  if ((length == 8) && !(field->flags & UNSIGNED_FLAG) && (nr > LONGLONG_MAX))
   {
-    longlong nr=val_int();
-    error=field->store(nr, TRUE);    // Assume hex numbers are unsigned
+    nr= LONGLONG_MAX;
+    goto warn;
   }
-  return error;
+  return field->store((longlong) nr);
+
+warn:
+  if (!field->store((longlong) nr))
+    field->set_warning(MYSQL_ERROR::WARN_LEVEL_WARN, ER_WARN_DATA_OUT_OF_RANGE,
+                       1);
+  return 1;
 }