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, 2 insertions, 10 deletions

diff --git a/sql/item_cmpfunc.cc b/sql/item_cmpfunc.cc
index ac8534916d6..f825b4960c5 100644
--- a/sql/item_cmpfunc.cc
+++ b/sql/item_cmpfunc.cc
@@ -1197,20 +1197,12 @@ longlong Item_cond_or::val_int()
 
 longlong Item_func_isnull::val_int()
 {
-  if (internal_result_type == REAL_RESULT)
-    (void) args[0]->val();
-  else
-    (void) args[0]->val_int();
-  return (args[0]->null_value) ? 1 : 0;
+  return args[0]->is_null() ? 1: 0;
 }
 
 longlong Item_func_isnotnull::val_int()
 {
-  if (internal_result_type == REAL_RESULT)
-    (void) args[0]->val();
-  else
-    (void) args[0]->val_int();
-  return !(args[0]->null_value) ? 1 : 0;
+  return args[0]->is_null() ? 0 : 1;
 }