merge

BitKeeper/etc/logging_ok:
  auto-union
configure.in:
  Auto merged
BitKeeper/deleted/.del-identity.result~e41453a364242503:
  Auto merged
BitKeeper/deleted/.del-identity.test~326f469b59105404:
  Auto merged
include/my_pthread.h:
  Auto merged
innobase/dict/dict0crea.c:
  Auto merged
innobase/dict/dict0dict.c:
  Auto merged
innobase/dict/dict0load.c:
  Auto merged
innobase/include/univ.i:
  Auto merged
innobase/lock/lock0lock.c:
  Auto merged
innobase/pars/pars0opt.c:
  Auto merged
innobase/que/que0que.c:
  Auto merged
innobase/row/row0ins.c:
  Auto merged
innobase/row/row0mysql.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/row/row0upd.c:
  Auto merged
innobase/srv/srv0srv.c:
  Auto merged
innobase/sync/sync0sync.c:
  Auto merged
innobase/trx/trx0trx.c:
  Auto merged
libmysql/libmysql.c:
  Auto merged
myisam/myisampack.c:
  Auto merged
mysql-test/t/func_test.test:
  Auto merged
mysql-test/t/show_check.test:
  Auto merged
mysql-test/t/variables.test:
  Auto merged
mysys/my_pthread.c:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/share/danish/errmsg.txt:
  Auto merged
sql/share/english/errmsg.txt:
  Auto merged
sql/share/french/errmsg.txt:
  Auto merged
sql/share/german/errmsg.txt:
  Auto merged
sql/share/greek/errmsg.txt:
  Auto merged
sql/share/hungarian/errmsg.txt:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/share/italian/errmsg.txt:
  Auto merged
sql/share/japanese/errmsg.txt:
  Auto merged
sql/share/korean/errmsg.txt:
  Auto merged
sql/share/norwegian-ny/errmsg.txt:
  Auto merged
sql/share/norwegian/errmsg.txt:
  Auto merged
sql/share/polish/errmsg.txt:
  Auto merged
sql/share/portuguese/errmsg.txt:
  Auto merged
sql/share/romanian/errmsg.txt:
  Auto merged
sql/share/russian/errmsg.txt:
  Auto merged
sql/share/slovak/errmsg.txt:
  Auto merged
sql/share/spanish/errmsg.txt:
  Auto merged
sql/share/swedish/errmsg.txt:
  Auto merged
sql/share/ukrainian/errmsg.txt:
  Auto merged

1 files changed, 30 insertions, 0 deletions

diff --git a/mysql-test/t/func_if.test b/mysql-test/t/func_if.test
new file mode 100644
index 00000000000..c5cc73ecd1f
--- /dev/null
+++ b/mysql-test/t/func_if.test
@@ -0,0 +1,30 @@
+#
+# Init section
+#
+drop table if exists t1;
+
+#
+# Simple IF tests
+#
+
+select IF(0,"ERROR","this"),IF(1,"is","ERROR"),IF(NULL,"ERROR","a"),IF(1,2,3)|0,IF(1,2.0,3.0)+0 ;
+
+#
+# Test of IF and case-sensitiveness
+#
+CREATE TABLE t1 (st varchar(255) NOT NULL, u int(11) NOT NULL) TYPE=MyISAM;
+INSERT INTO t1 VALUES ('a',1),('A',1),('aa',1),('AA',1),('a',1),('aaa',0),('BBB',0);
+select if(1,st,st) s from t1 order by s;
+select if(u=1,st,st) s from t1 order by s;
+select if(u=1,binary st,st) s from t1 order by s;
+select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
+drop table t1;
+
+#
+# Problem with IF()
+#
+
+create table t1 (num  double(12,2));
+insert into t1 values (144.54);
+select sum(if(num is null,0.00,num)) from t1;
+drop table t1;