WL#3259 (RBR with more columns on slave than master):

Incorporating changes from review.
Fixing one bug that surfaced.


mysql-test/extra/rpl_tests/rpl_row_tabledefs.test:
  Adding tests that UPDATE and DELETE does not generate an error.
mysql-test/r/rpl_row_tabledefs_2myisam.result:
  Result change.
mysql-test/r/rpl_row_tabledefs_3innodb.result:
  Result change.
mysql-test/t/disabled.def:
  Enabling rpl_sp_effects (even though it gives a result mismatch currently).
sql/field.cc:
  Using constant to denote undefined last null byte.
sql/field.h:
  Using constant to denote undefined last null byte.
  Adding documentation.
sql/log_event.cc:
  Not generating error for non-NULL no-DEFAULT columns when updating or deleting row.
  Better documentation and comments.
sql/rpl_utility.cc:
  Moving documentation to header file.
sql/rpl_utility.h:
  Documenting class and members.

1 files changed, 8 insertions, 2 deletions

diff --git a/sql/field.cc b/sql/field.cc
index 340f33f1e01..479a562aaac 100644
--- a/sql/field.cc
+++ b/sql/field.cc
@@ -1261,7 +1261,10 @@ my_size_t
 Field::do_last_null_byte() const
 {
   DBUG_ASSERT(null_ptr == NULL || (byte*) null_ptr >= table->record[0]);
-  return null_ptr ? (byte*) null_ptr - table->record[0] + 1 : 0;
+  if (null_ptr)
+    return (byte*) null_ptr - table->record[0] + 1;
+  else
+    return LAST_NULL_BYTE_UNDEF;
 }
 
 
@@ -8196,7 +8199,10 @@ Field_bit::do_last_null_byte() const
   else
     result= bit_ptr;
 
-  return result ? (byte*) result - table->record[0] + 1 : 0;
+  if (result)
+    return (byte*) result - table->record[0] + 1;
+  else
+    return LAST_NULL_BYTE_UNDEF;
 }
 
 Field *Field_bit::new_key_field(MEM_ROOT *root,