Merge zippy.(none):/home/cmiller/work/mysql/merge/mysql-5.1

into  zippy.(none):/home/cmiller/work/mysql/merge/mysql-5.1-new-maint


BUILD/compile-dist:
  Auto merged
BitKeeper/deleted/.del-partition_innodb.result:
  Auto merged
BitKeeper/deleted/.del-partition_innodb.test:
  Auto merged
client/mysqltest.c:
  Auto merged
mysql-test/r/create.result:
  Auto merged
mysql-test/r/create_not_windows.result:
  Auto merged
mysql-test/r/func_group.result:
  Auto merged
mysql-test/r/innodb_mysql.result:
  Auto merged
mysql-test/r/partition.result:
  Auto merged
mysql-test/r/sp.result:
  Auto merged
mysql-test/t/innodb_mysql.test:
  Auto merged
mysql-test/t/partition.test:
  Auto merged
mysql-test/t/ps_1general.test:
  Auto merged
mysql-test/t/sp.test:
  Auto merged
mysql-test/t/wait_timeout.test:
  Auto merged
mysys/my_lib.c:
  Auto merged
sql/field.cc:
  Auto merged
sql/field.h:
  Auto merged
sql/unireg.cc:
  Auto merged
mysql-test/extra/rpl_tests/rpl_log.test:
  manuakl merge
mysql-test/lib/mtr_process.pl:
  manuakl merge
mysql-test/mysql-test-run.pl:
  manuakl merge
mysql-test/r/type_newdecimal.result:
  manuakl merge
mysql-test/t/create.test:
  manuakl merge
mysql-test/t/func_group.test:
  manuakl merge
mysql-test/t/type_newdecimal.test:
  manuakl merge

1 files changed, 12 insertions, 2 deletions

diff --git a/sql/field.h b/sql/field.h
index f611b16277e..b1221e34cc5 100644
--- a/sql/field.h
+++ b/sql/field.h
@@ -124,7 +124,7 @@ public:
   static bool type_can_have_key_part(enum_field_types);
   static enum_field_types field_type_merge(enum_field_types, enum_field_types);
   static Item_result result_merge_type(enum_field_types);
-  bool eq(Field *field)
+  virtual bool eq(Field *field)
   {
     return (ptr == field->ptr && null_ptr == field->null_ptr &&
             null_bit == field->null_bit);
@@ -351,6 +351,8 @@ public:
     return field_length / charset()->mbmaxlen;
   }
 
+  /* Hash value */
+  virtual void hash(ulong *nr, ulong *nr2);
   friend bool reopen_table(THD *,struct st_table *,bool);
   friend int cre_myisam(my_string name, register TABLE *form, uint options,
 			ulonglong auto_increment_value);
@@ -823,7 +825,7 @@ public:
     if ((*null_value= is_null()))
       return 0;
 #ifdef WORDS_BIGENDIAN
-    if (table->s->db_low_byte_first)
+    if (table && table->s->db_low_byte_first)
       return sint4korr(ptr);
 #endif
     long tmp;
@@ -1121,6 +1123,7 @@ public:
                        char *new_ptr, uchar *new_null_ptr,
                        uint new_null_bit);
   uint is_equal(create_field *new_field);
+  void hash(ulong *nr, ulong *nr2);
 };
 
 
@@ -1388,6 +1391,13 @@ public:
     bit_ptr= bit_ptr_arg;
     bit_ofs= bit_ofs_arg;
   }
+  bool eq(Field *field)
+  {
+    return (Field::eq(field) &&
+            field->type() == type() &&
+            bit_ptr == ((Field_bit *)field)->bit_ptr &&
+            bit_ofs == ((Field_bit *)field)->bit_ofs);
+  }
   void move_field_offset(my_ptrdiff_t ptr_diff)
   {
     Field::move_field_offset(ptr_diff);