Integer values between 9223372036854775807 and 9999999999999999999 are now

regarded as unsigned longlongss, not as floats. This make these values work
similar to values between 10000000000000000000 and 18446744073709551615.


mysql-test/r/bigint.result:
  Fixed results for bigints
mysql-test/t/bigint.test:
  Fixed results for bigints
sql/item.h:
  Mark unsigned big ints as unsigned
sql/sql_lex.cc:
  Returns numbers between 9223372036854775807 and 9999999999999999999 as unsigned 64 bit numbers

mysql-test/r/bigint.result

@@ -6,13 +6,13 @@ select 9223372036854775807,-009223372036854775808;
 9223372036854775807	-9223372036854775808
 select +9999999999999999999,-9999999999999999999;
 +9999999999999999999	-9999999999999999999
-10000000000000000000	-10000000000000000000
+9999999999999999999	-10000000000000000000
 select cast(9223372036854775808 as unsigned)+1;
 cast(9223372036854775808 as unsigned)+1
 9223372036854775809
 select 9223372036854775808+1;
 9223372036854775808+1
-9223372036854775808
+9223372036854775809
 drop table if exists t1;
 create table t1 (a bigint unsigned not null, primary key(a));
 insert into t1 values (18446744073709551615), (0xFFFFFFFFFFFFFFFE);

mysql-test/t/bigint.test

@@ -5,12 +5,6 @@ select 0,256,00000000000000065536,2147483647,-2147483648,2147483648,+4294967296;
 select 9223372036854775807,-009223372036854775808;
 select +9999999999999999999,-9999999999999999999;
 select cast(9223372036854775808 as unsigned)+1;
-
-#
-# We need to do a REPLACE here as the atof() function returns different
-# values on True64 and HPUX11
-#
---replace_result 9223372036854775800 9223372036854775808
 select 9223372036854775808+1;
 #
 # In 3.23 we have to disable the test of column to bigint as

sql/item.h

@@ -212,6 +212,11 @@ public:
   String *val_str(String*);
   void make_field(Send_field *field);
   Item *new_item() { return new Item_uint(name,max_length); }
+  bool fix_fields(THD *thd,struct st_table_list *table_list)
+  {
+    unsigned_flag= 1;
+    return 0;
+  }
   void print(String *str);
   unsigned int size_of() { return sizeof(*this);}  
 };

sql/sql_lex.cc

@@ -407,7 +407,7 @@ inline static uint int_token(const char *str,uint length)
     {
       cmp=longlong_str;
       smaller=LONG_NUM;
-      bigger=REAL_NUM;
+      bigger= ULONGLONG_NUM;
     }
   }
   while (*cmp && *cmp++ == *str++) ;