Fixed some build problems.

Fix that compressed packets and normal packets looks indentical before calling net_real_write()
(Needed for query cache)
Optimize IS NULL handling


Build-tools/Do-compile:
  Fix for machines with clocks in an earlier timezone
Docs/manual.texi:
  Fixed typo
acinclude.m4:
  Fixed typo
client/mysqlbinlog.cc:
  Cleanup
client/mysqltest.c:
  Added --compress to test the compressed protocol
configure.in:
  Increment shared library number (because structs changed)
include/mysql.h:
  Optimize structs for Ia64
include/mysql_com.h:
  Optimize structs for Ia64
libmysql/libmysql.c:
  Portability fixes
libmysql/net.c:
  Fix that compressed packets and normal packets looks indentical before calling net_real_write()
  (Needed for query cache)
libmysqld/examples/Makefile.am:
  Portability fix
libmysqld/libmysqld.c:
  Portability fixes
mysql-test/mysql-test-run.sh:
  Added --compress to test the compressed protocol
mysql-test/t/type_enum.test:
  A
mysys/mf_casecnv.c:
  Portability fixes
mysys/mf_tempfile.c:
  Portability fixes
scripts/make_binary_distribution.sh:
  Add libmysqld to binary distribution
sql-bench/server-cfg.sh:
  Fix for Interbase
sql/item.h:
  Optimize IS NULL handling
sql/item_cmpfunc.cc:
  Optimize IS NULL handling
sql/item_cmpfunc.h:
  Optimize IS NULL handling
sql/item_func.cc:
  cleanup
sql/item_func.h:
  Optimize IS NULL handling
sql/mysql_priv.h:
  c
sql/net_serv.cc:
  Fix that compressed packets and normal packets looks indentical before calling net_real_write()
  (Needed for query cache)

1 files changed, 3 insertions, 0 deletions

diff --git a/sql/item_func.h b/sql/item_func.h
index ac4c230f312..bd3ef0bf2d7 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -119,6 +119,7 @@ public:
   {
     return (null_value=args[0]->get_time(ltime));
   }
+  bool is_null() { (void) val_int(); return null_value; }
   friend class udf_handler;
 };
 
@@ -147,6 +148,7 @@ public:
   longlong val_int() { return (longlong) val(); }
   enum Item_result result_type () const { return hybrid_type; }
   void fix_length_and_dec() { fix_num_length_and_dec(); }
+  bool is_null() { (void) val(); return null_value; }
 };
 
 
@@ -161,6 +163,7 @@ class Item_num_op :public Item_func
   enum Item_result result_type () const { return hybrid_type; }
   void fix_length_and_dec() { fix_num_length_and_dec(); find_num_type(); }
   void find_num_type(void);
+  bool is_null() { (void) val(); return null_value; }
 };