Added charset number to result header

Docs/internals.texi:
  Updated protocol information
sql/mysql_priv.h:
  Removed clear_error_message()
sql/mysqld.cc:
  Removed not used function clear_error_message
sql/protocol.cc:
  Simple code cleanup
sql/sql_parse.cc:
  Changed clear_error_message() to thd->clear_error()
  Simple optimization.

1 files changed, 2 insertions, 1 deletions

diff --git a/sql/field.h b/sql/field.h
index f13ef2ee735..04225158270 100644
--- a/sql/field.h
+++ b/sql/field.h
@@ -1056,7 +1056,8 @@ class Send_field {
   const char *db_name;
   const char *table_name,*org_table_name;
   const char *col_name,*org_col_name;
-  uint length,flags,decimals;
+  ulong length;
+  uint charsetnr, flags, decimals;
   enum_field_types type;
   Send_field() {}
 };