From: Date: June 24 2005 1:17am
Subject: bk commit into 5.0 tree (evgen:1.2002) BUG#11325
List-Archive: http://lists.mysql.com/internals/26383
X-Bug: 11325
Message-Id: <20050623231724.29165152046@localhost.moonbone.local>

Below is the list of changes that have just been committed into a local
5.0 repository of evgen. When evgen does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
For information on how to access the public repository
see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet
  1.2002 05/06/24 03:17:19 evgen@stripped +3 -0
  Fix bug#11325 Wrong date comparison in views
  
  Wrong comparing method were choosen which results in false comparison.
  
  Make Item_bool_func2::fix_length_and_dec() to get type and field from
  real_item() to make REF_ITEM pass the check. 

  mysql-test/r/view.result
    1.86 05/06/24 03:10:33 evgen@stripped +11 -0
    Test case for bug #11325 Wrong date comparison in views

  mysql-test/t/view.test
    1.74 05/06/24 03:10:00 evgen@stripped +11 -0
    Test case for bug #11325 Wrong date comparison in views

  sql/item_cmpfunc.cc
    1.158 05/06/24 03:09:12 evgen@stripped +4 -4
    Fix bug#11325 Wrong date comparison in views

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	evgen
# Host:	moonbone.local
# Root:	/work/mysql-5.0-bug-11325

--- 1.157/sql/item_cmpfunc.cc	2005-06-17 23:26:18 +04:00
+++ 1.158/sql/item_cmpfunc.cc	2005-06-24 03:09:12 +04:00
@@ -238,9 +238,9 @@
     return;
   }
     
-  if (args[0]->type() == FIELD_ITEM)
+  if (args[0]->real_item()->type() == FIELD_ITEM)
   {
-    Field *field=((Item_field*) args[0])->field;
+    Field *field= ((Item_field*) args[0]->real_item())->field;
     if (field->can_be_compared_as_longlong())
     {
       if (convert_constant_item(thd, field,&args[1]))
@@ -251,9 +251,9 @@
       }
     }
   }
-  if (args[1]->type() == FIELD_ITEM /* && !args[1]->const_item() */)
+  if (args[1]->real_item()->type() == FIELD_ITEM)
   {
-    Field *field=((Item_field*) args[1])->field;
+    Field *field= ((Item_field*) args[1]->real_item())->field;
     if (field->can_be_compared_as_longlong())
     {
       if (convert_constant_item(thd, field,&args[0]))

--- 1.85/mysql-test/r/view.result	2005-06-22 09:52:02 +04:00
+++ 1.86/mysql-test/r/view.result	2005-06-24 03:10:33 +04:00
@@ -1831,3 +1831,14 @@
 t
 01:00
 drop view v1;
+create table t1 (f1 date);
+insert into t1 values ('2005-01-01'),('2005-02-02');
+create view v1 as select * from t1;
+select * from v1 where f1='2005.02.02';
+f1
+2005-02-02
+select * from v1 where '2005.02.02'=f1;
+f1
+2005-02-02
+drop view v1;
+drop table t1;

--- 1.73/mysql-test/t/view.test	2005-06-22 09:42:00 +04:00
+++ 1.74/mysql-test/t/view.test	2005-06-24 03:10:00 +04:00
@@ -1673,3 +1673,14 @@
 create view v1 as SELECT TIME_FORMAT(SEC_TO_TIME(3600),'%H:%i') as t;
 select * from v1;
 drop view v1;
+
+#
+# bug #11325 Wrong date comparison in views
+#
+create table t1 (f1 date);
+insert into t1 values ('2005-01-01'),('2005-02-02');
+create view v1 as select * from t1;
+select * from v1 where f1='2005.02.02';
+select * from v1 where '2005.02.02'=f1;
+drop view v1;
+drop table t1;