Using Date in expressions

Having problem with using DAte in Expressions. Does anybody know if toplink API provides any method on Expressions to do date comparison. When I try to use equal, it tries to convert the date to a String. Is ther eany work arounf for this.
Any help would be appreciated

Check the Javadoc for Expression, search for "Date". There are lots of functions available including various date math functions.
- Don

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Displaying diff dates using PL/SQL expression for 'display only' item ?

Hi ,
I am having a display only item -- :P2_FROM_Date . If its Thu,Fri,Sat or Sun I want to set the date as the last Monday's date . If its Mon,Tue or Wed then it should be the present Monday's date .
E.g: Today is Friday and the last Monday was on 18th .
So for yesterday , today,tomorrow and Sunday , the date should be displayed as 18-JUN-2012.
From the coming Monday to Wednesday , the date should of be the coming Monday i.e , 24-JUN-2012
I tried it doing under 'Source ' of item using PL/SQL expression and PL/SQL function body. Not working
Can someone help ?
Thanks & Regards
Umer

Nice1 wrote:
declare
lv_date number;
begin
select to_char(sysdate,'D') into lv_date from dual;
if lv_date=2 then
:P2_FROM_DATE := to_char(sysdate-1);
end if;
end;I tried this under " PL/SQL function body " in "Source " tab of the item P2_FROM_DATE
When I run this , nothing is displayed corresponding to the item P2_FROM_DATEExactly as expected. This code will only set a value for <tt>P2_FROM_DATE</tt> when run on Mondays in territories where the first day of the week is Sunday, and when run on Tuesdays where Monday is the first day of of the week:
SQL> var P2_FROM_DATE varchar2(30)
SQL> alter session set nls_date_format='Dy DD-MON-YYYY';
Session altered.
SQL> select sysdate from dual
SYSDATE
Mon 25-JUN-2012
SQL> alter session set nls_territory='AMERICA';
Session altered.
SQL> declare
2 lv_date number;
3 begin
4 select to_char(sysdate,'D') into lv_date from dual;
5 if lv_date=2 then
6 :P2_FROM_DATE := to_char(sysdate-1);
7 end if;
8 end;
9 /
PL/SQL procedure successfully completed.
SQL> print p2_from_date
P2_FROM_DATE
Sun 24-JUN-2012
SQL> alter session set nls_territory='UNITED KINGDOM';
Session altered.
SQL> exec :p2_from_date := null
SQL> declare
2 lv_date number;
3 begin
4 select to_char(sysdate,'D') into lv_date from dual;
5 if lv_date=2 then
6 :P2_FROM_DATE := to_char(sysdate-1);
7 end if;
8 end;
9 /
PL/SQL procedure successfully completed.
SQL> print p2_from_date
P2_FROM_DATE
SQL>Hence the questions about language above.
>
I am having a display only item -- :P2_FROM_Date . If its Thu,Fri,Sat or Sun I want to set the date as the last Monday's date . If its Mon,Tue or Wed then it should be the present Monday's date .
E.g: Today is Friday and the last Monday was on 18th .
So for yesterday , today,tomorrow and Sunday , the date should be displayed as 18-JUN-2012.
From the coming Monday to Wednesday , the date should of be the coming Monday i.e , 24-JUN-2012
>
The coming Monday is 25-JUN-2012.
Aren't these rules equivalent to "Monday this week, where Monday is the first day of the week"? In which case the PL/SQL Expression you require is:
trunc(sysdate, 'iw')For example:
SQL> with t as (
2    select date '2012-06-21' + level d from dual connect by level <= 17)
3 select
4            d
5          , trunc(d, 'iw') monday
6 from
7            t;
D               MONDAY
Fri 22-JUN-2012 Mon 18-JUN-2012
Sat 23-JUN-2012 Mon 18-JUN-2012
Sun 24-JUN-2012 Mon 18-JUN-2012
Mon 25-JUN-2012 Mon 25-JUN-2012
Tue 26-JUN-2012 Mon 25-JUN-2012
Wed 27-JUN-2012 Mon 25-JUN-2012
Thu 28-JUN-2012 Mon 25-JUN-2012
Fri 29-JUN-2012 Mon 25-JUN-2012
Sat 30-JUN-2012 Mon 25-JUN-2012
Sun 01-JUL-2012 Mon 25-JUN-2012
Mon 02-JUL-2012 Mon 02-JUL-2012
Tue 03-JUL-2012 Mon 02-JUL-2012
Wed 04-JUL-2012 Mon 02-JUL-2012
Thu 05-JUL-2012 Mon 02-JUL-2012
Fri 06-JUL-2012 Mon 02-JUL-2012
Sat 07-JUL-2012 Mon 02-JUL-2012
Sun 08-JUL-2012 Mon 02-JUL-2012
17 rows selected.
SQL> alter session set nls_territory='AMERICA';
Session altered.
SQL> alter session set nls_date_format='Dy DD-MON-YYYY';
Session altered.
SQL> with t as (
2    select date '2012-06-21' + level d from dual connect by level <= 17)
3 select
4            d
5          , trunc(d, 'iw') monday
6 from
7            t;
D               MONDAY
Fri 22-JUN-2012 Mon 18-JUN-2012
Sat 23-JUN-2012 Mon 18-JUN-2012
Sun 24-JUN-2012 Mon 18-JUN-2012
Mon 25-JUN-2012 Mon 25-JUN-2012
Tue 26-JUN-2012 Mon 25-JUN-2012
Wed 27-JUN-2012 Mon 25-JUN-2012
Thu 28-JUN-2012 Mon 25-JUN-2012
Fri 29-JUN-2012 Mon 25-JUN-2012
Sat 30-JUN-2012 Mon 25-JUN-2012
Sun 01-JUL-2012 Mon 25-JUN-2012
Mon 02-JUL-2012 Mon 02-JUL-2012
Tue 03-JUL-2012 Mon 02-JUL-2012
Wed 04-JUL-2012 Mon 02-JUL-2012
Thu 05-JUL-2012 Mon 02-JUL-2012
Fri 06-JUL-2012 Mon 02-JUL-2012
Sat 07-JUL-2012 Mon 02-JUL-2012
Sun 08-JUL-2012 Mon 02-JUL-2012
17 rows selected.Also note that using the item source properties will only set the <tt>P2_FROM_DATE</tt> in the rendered page, not in session state.

How to use TRUNC function with dates in Expression Builder in OBIEE.

Hi There,
How to use TRUNC function with dates in Expression Builder in OBIEE.
TRUNC (SYSDATE, 'MM') returns '07/01/2010' where sysdate is '07/15/2010' in SQL. I need to use the same thing in expression builder in BMM layer logical column.
Thanks in advance

use this instead:
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[svn:fx-trunk] 9349: * Added support for using getStyle() in Mxml data binding expressions.

Revision: 9349
Author:   [email protected]
Date:     2009-08-17 11:32:37 -0700 (Mon, 17 Aug 2009)
Log Message:
Added support for using getStyle() in Mxml data binding expressions.
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QE notes: mxunit test to follow
Doc notes:
Bugs: SDK-20394
Reviewer: Glenn, Pete F, Peter D
Tests run: checkintests, mxunit databinding
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modules/compiler/src/java/flex2/compiler/as3/binding/DataBindingExtension.java
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modules/compiler/src/java/flex2/compiler/as3/binding/FunctionReturnWatcher.java
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modules/compiler/src/java/flex2/compiler/as3/binding/WatcherSetupUtil.vm
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modules/compiler/src/java/flex2/compiler/as3/binding/BindableFirstPassEvaluator.java
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modules/compiler/src/java/flex2/compiler/as3/binding/DataBindingFirstPassEvaluator.java
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frameworks/projects/framework/src/mx/core/UIComponent.as
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frameworks/projects/spark/src/spark/primitives/supportClasses/TextGraphicElement.as
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    flex/sdk/trunk/frameworks/projects/framework/src/mx/core/UIComponent.as
    flex/sdk/trunk/frameworks/projects/spark/src/spark/primitives/supportClasses/TextGraphicE lement.as
    flex/sdk/trunk/modules/compiler/src/java/flex2/compiler/as3/binding/BindableFirstPassEval uator.java
    flex/sdk/trunk/modules/compiler/src/java/flex2/compiler/as3/binding/DataBindingExtension. java
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    flex/sdk/trunk/modules/compiler/src/java/flex2/compiler/as3/binding/WatcherSetupUtil.vm

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Using Date in expressions

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