rename of net_pkg.cc to protocol.cc

Class for sending data from server to client (Protocol)
This handles both the old ( <= 4.0 ) protocol and then new binary protocol that is used for prepared statements.


libmysql/libmysql.c:
  Jump over reserved bits in the binary protocol
libmysqld/Makefile.am:
  rename of net_pkg.cc to protocol.cc
mysql-test/r/case.result:
  Fixed previously wrong test
mysql-test/r/cast.result:
  Fixed previously wrong test
sql/Makefile.am:
  Rename of net_pkg.cc to protocol.cc
sql/field.cc:
  Binary protocol
  Added key handling functions for new VARCHAR type
sql/field.h:
  New protocol
sql/ha_berkeley.cc:
  New protocol
sql/ha_berkeley.h:
  New protocol
sql/ha_innodb.cc:
  New protocol
sql/ha_myisam.cc:
  New protocol
sql/item.cc:
  New protocol
sql/item.h:
  New protocol
sql/item_func.cc:
  Removed old code from 3.23
sql/item_func.h:
  Set cached_result_type as it was previosly used before set
sql/item_subselect.cc:
  Standard make_field() is now good enough
sql/item_subselect.h:
  Use default make_field()
sql/item_sum.cc:
  Clean up Item_sum::make_field()
sql/item_sum.h:
  Use standard make_field()
sql/item_timefunc.h:
  return correct types for casts()
  Use standard make_field()
sql/log_event.cc:
  New protocol
sql/log_event.h:
  New protocol
sql/mysql_priv.h:
  Move things to protocol.h
sql/opt_range.cc:
  Indentation cleanups + small optimization
sql/procedure.h:
  Use MYSQL_TYPE instead of FIELD_TYPE
sql/protocol.cc:
  Class for sending data from server to client.
  This handles both the old ( <= 4.0 ) protocol and then new binary protocol that is used for prepared statements.
sql/repl_failsafe.cc:
  New protocol
sql/slave.cc:
  New protocol
sql/sql_acl.cc:
  New protocol
sql/sql_base.cc:
  Move send_fields() to protocol.cc
sql/sql_class.cc:
  New protocol
sql/sql_class.h:
  New protocol
sql/sql_db.cc:
  New protocol
sql/sql_error.cc:
  New protocol
sql/sql_handler.cc:
  New protocol
sql/sql_help.cc:
  New protocol
sql/sql_parse.cc:
  Remove wrong assert (variable was not initalized at this point)
sql/sql_prepare.cc:
  New protocol
sql/sql_repl.cc:
  New protocol
sql/sql_select.cc:
  New protocol
sql/sql_show.cc:
  New protocol
sql/sql_string.h:
  New functions used by the protocol functions
sql/sql_table.cc:
  New protocol
sql/structs.h:
  Make second_part ulong to prepare for ANSI sub-seconds
sql/time.cc:
  New convert function needed by the new protocol functions

mysql-test/r/cast.result

@@ -24,10 +24,10 @@ cast("A" as binary) = "a"	cast(BINARY "a" as CHAR) = "A"
 0	1
 select cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME);
 cast("2001-1-1" as DATE)	cast("2001-1-1" as DATETIME)
-2001-1-1	2001-1-1
+2001-01-01	2001-01-01 00:00:00
 select cast("1:2:3" as TIME);
 cast("1:2:3" as TIME)
-1:2:3
+1:02:03
 select cast("2001-1-1" as date) = "2001-01-01";
 cast("2001-1-1" as date) = "2001-01-01"
 0