Clear & refresh statements

hi all,
could u pls give me a brief example about when do we exactly clear the header and refresh the body of an internal table .
thanks in advance
spoorthimanohar

Hi,
Clear:
Deletes the content of the header area of internal table
Does not delete the content of the internal table
Refresh:
Deletes the content of the internal table
Does not delete the content of the header area
We clear the header while updating or appending data into internal table
let itab be the intenal table with header line.
itab-name = 'XXXX'.
itab-empno = 'XXXX'.
append itab.
clear itab. -> clears the header line.
refresh itab can also be used.
Refresh does not refresh the body of internal table . It refreshes only the header line.
clear[] - clears the body of the internal table.
Regards,
Priyanka.

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Not able to clear bank statement accounting entry with payment document.

Hello FI guru,
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Hi,
This error generally is due to tolerance error. Please check the assignment of the user id with the relevant tolerance groups. Let me know if it worked.
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Hi,
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Clearing write statements

We are facing a problem with clearing the write statement buffer.
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Hi aakash,
1. use MODIFY LINE concept,
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2. just copy paste
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4.
report abc.
DATA : MSG(100) TYPE C.
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I had to go back to IE 8 for online banking. Had to Clear SSL State, too in IE to make a new page work. Is there an equivalent in Firefox??

My online banking website recently made some major programming changes. Since then, I have not been able to use Firefox for the banking website.
The bank help desk had me install IE 8, then clear the SSL state using a feature in IE's options/content screen. So now the new page works in IE but still does not in Firefox. From what I have learned from the bank help desk, it appears that there is some kind of an ssl hand shake failure within the one page since their changes.
Is there a similar feature in Firefox where I can clear the SSL state?

First update back to Firefox 16.0.2, as staying on older versions leaves you extremely vulnerable to security holes.
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Clear session state for related application/page

I have an application item I want to clear and I am not sure what is
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I am reading about the different state process but I am not sure.
I thought it was
Clear Cache for Items (ITEM,ITEM,ITEM) but this item has to be on a page.
What would be the appropriate one to select to clear an application item
Clear Cache For Applications (removes all session state for listed applications)
Clear Cache For Current Application (removes all session state for current application)
Clear Cache For Current Session (removes all state for current session)
Clear Cache for Items (ITEM,ITEM,ITEM)
Clear Cache for all Items on Pages (PageID,PageID,PageID)
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Howard

How do I name the application item.. I tried the following.
itemName
:itemName
application:itemName
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Edited by: csphard on Oct 29, 2009 10:11 AM
Edited by: csphard on Oct 29, 2009 10:13 AM

Dynamic query built from items is not refreshing state

Hi. I'm generating a report table using the Pl/SQL function returns SQL query report region. My region source is:
declare
v_tbl varchar2(500);
v_sql varchar2(32676);
begin
v_tbl := v('P7_STUDENT_TBL');
v_sql := 'select b.grade,
b.lastname,
b.firstname,
b.middlename,
b.permnum,
a.student_attended,
a.parent_attended,
a.num_assoc_w_student,
a.ea_id
from event_attendance a right outer join ' || v_tbl || ' b
on ( lpad(a.permnum, 12, '' '') = b.permnum
and a.event_id = ' || v('P7_EVENT_ID') || ' )
where b.status = '' ''
order by b.lastname, b.firstname ';
return v_sql;
end;
As you can see, the query relies on a dynamic table name and event id. These 2 items are hidden items, although i've checked them and they are correct, as is the sql query supposed to generate the report.
It seems i have to go back and forth between the event page and this page in order for the report to "catch up" to the items (event id, table name).
It's almost like it's cached the old report, and won't discard it and bring up the current report unless the page is repeatedly accessed. There's no place to designate the source to be "Always, replacing any existing value in session state" like other items.
My dynamic tablename is accessing a remote database using a dblink. It's working, and shouldn't be remarkably slower, but i'm wondering why my report is not current with the items its using to generate the report?
I hope this is clear... any ideas?

Thanks for the reply, Scott.
I am indeed using bind variables in my query. The page before the "event attendance" page is "events" where you can search for an event. A link for attendance is there for each event record, which passes on the event id to the event attendance page, where you are recording the attendance for that event, which is for a particular school.
The query uses the event id and the school id in the query. The school table is dynamic, so i get the table's name from a function call. This query generates the list of students and some form elements for each student so you can record their attendance at an event.
Now i've verified that the table name, school id, event id, and even query are correct, by creating items i can see displayed on the page with their values. And the report is correct, but it seems a step behind.
For example, i may have an event for school 100. If i go back and select an event for school 200 to edit the attendance, my students are still from school 100. If i go back and select an event for school 300 to record attendance on, my students are from school 200. So you see, it's like the bind variables are hanging around. Yet if i look at the items (which are the same pl/sql source, but are items, not regions) they are correct.
My item query (which shows proper substitutions) is:
select b.grade,
b.lastname,
b.firstname,
b.middlename,
b.permnum,
a.student_attended,
a.parent_attended,
a.num_assoc_w_student,
a.ea_id
from event_attendance a right outer join schema.school015@dblink b
on ( lpad(a.permnum, 12, ' ') = b.permnum
and a.event_id = 91 )
where b.status = ' '
order by b.lastname, b.firstname
This item has EXACTLY the same pl/sql function returning sql source as the region, but it's an item, not a region. So what you see is the parsed query.
And here's my debug output:
0.00: S H O W: application="114" page="7" workspace="" request="" session="8149080792357934854"
0.01: alter session set nls_language="AMERICAN"
0.01: alter session set nls_territory="AMERICA"
0.01: ...Setting NLS Decimal separator="."
0.01: Application 114, Authentication: CUSTOM2, Page Template: 5225413680368493
0.01: ...Supplied session ID can be used
0.01: ...Application session: 8149080792357934854, user=ARICHMOND
0.01: ...Determine if user ARICHMOND with SGID 4503012961108875 can develop application 114 in workspace 4503012961108875
0.01: Fetch session header information
0.01: Branch point: BEFORE_HEADER
0.02: Fetch application meta data
0.02: ...fetch page attributes: f114, p7
0.02: Fetch session state from database
0.02: Computation point: BEFORE_HEADER
0.02: Processing point: BEFORE_HEADER
0.03: Show page template header
0.03: Computation point: AFTER_HEADER
0.03: Processing point: AFTER_HEADER
0.03: Computation point: BEFORE_BOX_BODY
0.03: Processing point: BEFORE_BOX_BODY
0.03: Region 1:Record Event Attendance for the following event:
Edit
0.04: FORMITEM: P7_EVENT_SCHOOL_DESC DISPLAY_ONLY_HTML
School:      School 015
0.04: FORMITEM: P7_EVENT_TYPE_AND_DATE DISPLAY_ONLY_HTML
Event:      Event Desc
0.04: FORMITEM: P7_LOCATION DISPLAY_ONLY_HTML
Location:      Auditorium
0.04: FORMITEM: P7_SCHOOLNUM DISPLAY_AND_SAVE      snum 015
0.04: FORMITEM: P7_STUDENT_TBL DISPLAY_AND_SAVE
tbl :      schooltbl015
0.04: FORMITEM: P7_QUERY TEXTAREA
(see query above)
0.05: Region 2:Students
StudentsEdit
Edit Edit
0.05: show report 15
0.05: set report template: user defined template
0.06: determine column headings
0.06: is numeric ?
0.06: parse query
0.06: describe columns
0.07: define columns
0.07: execute cursor
0.07: print template before rows text
0.07: print column headings
0.07: rows loop
0.30: pagination
0.30: print template after rows text
0.30: Computation point: AFTER_BOX_BODY
0.30: Processing point: AFTER_BOX_BODY
0.30: Computation point: BEFORE_FOOTER
0.30: Processing point: BEFORE_FOOTER
0.30: Show page tempate footer
0.31: Computation point: AFTER_FOOTER
0.31: Processing point: AFTER_FOOTER
0.31: Log Activity:
0.31: End Show:

JButton setEnabled method is not refreshing state

Hi there, I have a problem, I'm putting a few JButtons into a JPanel, so that I can display the options that an user has.
I validate the user options so I can put the set enabled method with argument true or false.
The app show a login JFrame and then the screen that has these options, that is like the main form.
The fact is that is try to login again via a change user option located on the main form,, then the login JFrame is displayed again and eventually the main form.
When I try enable the user options again, the method setEnabled of the JButton doesn´t seem to be working, it just doesn't change the state, I have the debugged it and it reaches in both cases the setEnabled line (((JButton) jpnlSistemas1.getComponents()).setEnabled(true);)
 Sistema sistema;
 JButton boton;
 for (int i = 0; i < jpnlSistemas1.getComponents().length; i++) {
 if (jpnlSistemas1.getComponents() instanceof JButton) {
boton = (JButton) jpnlSistemas1.getComponents()[i];
Iterator iteradorSistemas = global.getUsuario().getSistemas().iterator();
while (iteradorSistemas.hasNext()) {
sistema = (Sistema) iteradorSistemas.next();
if (((JButton) jpnlSistemas1.getComponents()[i]).getName().equals(sistema.getIdSistema())) {
((JButton) jpnlSistemas1.getComponents()[i]).setEnabled(true);
any ideas about what could it be?
thanks.

I'd do it differently. I'd have whatever class that holds the JButtons have a enableButton() method, and then simply call that method rather than searching for buttons among all the components of a window.

How do you clear an SSL State in a Firefox version 20 web browser?

When browsing PKI-enabled websites, the session will timeout so ofter. To re-enable your session in Internet Explorer your Clear SSL state by going to Tools>Internet Options>Content(tab)>Clear SSL State. When this option is used, I use my Common Access Card to re-access the site.
It used to be you could do "tools | start private browsing" then stop it and reload the page and Firefox would clear the SSL state.
In version 21 and above this appears to be missing? Is there any way to do this?

You are using a''' Very''' old version of Firefox.
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(statement cache size = 0) == clear statement cache ?

Hi
I ran this test with WLS 8.1. I set to the cache size to 5, and I call a servlet
which invokes a stored procedure to get the statement cached. I then recompile
the proc, set the statement cache size to 0 and re-execute the servlet.
The result is:
java.sql.SQLException: ORA-04068: existing state of packages has been discarded
ORA-04061: existing state of package "CCDB_APPS.MSSG_PROCS" has been invalidated
ORA-04065: not executed, altered or dropped package "CCDB_APPS.MSSG_PROCS"
ORA-06508: PL/SQL: could not find program unit being called
ORA-06512: at line 1
which seems to suggest even though the cache size has set to 0, previously cached
statements are not cleared.
Rgs
Erik

Galen Boyer wrote:
On Fri, 05 Dec 2003, [email protected] wrote:
Galen Boyer wrote:
On 14 Nov 2003, [email protected] wrote:
Hi
I ran this test with WLS 8.1. I set to the cache size to 5,
and I call a servlet which invokes a stored procedure to get
the statement cached. I then recompile the proc, set the
statement cache size to 0 and re-execute the servlet.
The result is:
java.sql.SQLException: ORA-04068: existing state of packages
has been discarded ORA-04061: existing state of package
"CCDB_APPS.MSSG_PROCS" has been invalidated
ORA-04065: not executed, altered or dropped package
"CCDB_APPS.MSSG_PROCS" ORA-06508: PL/SQL: could not find
program unit being called ORA-06512: at line 1
which seems to suggest even though the cache size has set to
0, previously cached statements are not cleared.This is actually an Oracle message. Do the following test.
Open two sqlplus sessions. In one, execute the package.
Then, in the other, drop and recreate that package. Then, go
to the previous window and execute that same package. You
will get that error. Now, in that same sqlplus session,
execute that same line one more time and it goes through. In
short, in your above test, execute your servlet twice and I
bet on the second execution you have no issue.Hi. We did some testing offline, and verified that even a
standalone java program: 1 - making and executing a prepared
statement (calling the procedure), 2 - waiting while the
procedure gets recompiled, 3 - re-executing the prepared
statement gets the exception, BUT ALSO, 4 - closing the
statement after the failure, and making a new identical
statement, and executing it will also get the exception! JoeI just had the chance to test this within weblogic and not just
sqlplus.Note, I wasn't using SQL-PLUS, I wrote a standalone program
using Oracle's driver...
MY SCENARIO:
I had one connection only in my pool. I executed a package.
Then, went into the database and recompiled that package. Next
execution from app found this error. I then subsequently
executed the same package from the app and it was successful.And this was with the cache turned off, correct?
What the application needs to do is catch that error and within
the same connection, resubmit the execution request. All
connections within the pool will get invalidated for that
package's execution.Have you tried this? Did you try to re-use the statement you had,
or did you make a new one?
Maybe Weblogic could understand this and behave this way for
Oracle connections?It's not likely that we will be intercepting all exceptions
coming from a DBMS driver to find out whether it's a particular
failure, and then know that we can/must clear the statement cache.
Note also that even if we did, as I described, the test program I
ran did try to make a new statement to replace the one that
failed, and the new statement also failed.
In your case, you don't even have a cache. Would you verify
in your code, what sort of inline retry works for you?
Joe

Clearing state currentState = ''; not working

I am developing a code where I have developed three components that is three states for me. I have a contol on my home screen (base state) which is able to take me to any of these states whenever required. My issue is once I reach to say in State A and want to go back to home page. My "HOME" button in State A is not working even after I am clearing state using currentState = '' ; Do I have to do anything extra to get it to home page from State A here? Any help would be highly appreciated!!

Whenever I create a flex app that has several states, I've gotten into
the habit of simply copying my base state and renaming it something
to the effect of "start", so rather than trying to clear your state try this method.
Slightly superfluous and even a tad bit inane, but it works and gives you an
extra state buffer between impromptu edits and your base state .
So copy your base state
and rather than:
currentState = "";
try currentState = "start";
on for size.

Clearing of selections screen

Hi!
I wanted to asked how to clear a first screen of selections screen ( contains Parameters ans select options ) from another scrren ?
I created an ALV report. The first screen of the report is a selections screen that contains select options and Parameters. The Alv was created by Object oriented method (not by the function 'reuse_alv_*' ) in
a second screen. I want from the second screen on certain circumstances to leave the alv screen and to set the first screen ( that contains select options and Parameters ), however when i call the first screen i want to clear all select options and parameters, and my question is how to clear all select options and parameters before i leave to the first screen ?
thanks
moshe

Hi Moshe
Just I said in my answer you can't do a CLEAR statament in that point of your code, because the system manages the return of old data in selection screen.
The system do what importing old data from ABAP MEMORY in the event INITIALIZATION, so or you clear the ABAP MEMORY or you clear the selection-screen in the event AT SELECTION-SCREEN OUTPUT.
You can try this:
IF g_it_d_data[] IS INITIAL.
CALL FUNCTION 'POPUP_FOR_INTERACTION'
EXPORTING
headline = text-011 " 'Information'
text1 = text-010
ticon = 'I' " 'No data was found for
" the selection criteria.'
button_1 = 'OK'.
here i need to clear parameters and selects option
before leaving to screen 0
FREE MEMORY.
LEAVE TO SCREEN 0.
ENDIF.
or you place FREE MEMORY statament in INITIALIZATION.
INITIALIZATION.
FREE MEMORY.
You can try to use CLEAR and REFRESH statament in AT SELECTION-SCREEN OUTPUT.
AT SELECTION-SCREEN OUTPUT.
Only first time
CHECK FL_FIRST = SPACE.
FL_FIRST = 'X'.
REFRESH <SELECT-OPTION>.
CLEAR <PARAMETERS>.
Max

NEED WHY WE USE REFRESH,FREE

I NEED CLEAR EXPLANATION
WHY I NEED TO USE REFRESH,FREE IN INTERNAL-TABLES.

hi..
CLEAR <itab>.
statement. This statement restores an internal table to the state it was in immediately after you declared it. This means that the table contains no lines. However, the memory already occupied by the memory up until you cleared it remains allocated to the table.
If you are using internal tables with header lines, remember that the header line and the body of the table have the same name. If you want to address the body of the table in a comparison, you must place two brackets ([ ]) after the table name.
CLEAR <itab>[].
To ensure that the table itself has been initialized, you can use the
REFRESH <itab>.
statement. This always applies to the body of the table. As with the CLEAR statement, the memory used by the table before you initialized it remains allocated. To release the memory space, use the statement
refresh should use only internal table,clear - you can use variables,internal table ,work areas
FREE : it is deallocating meomry
Reward points if useful
Regards
Ashu

ADF JSF data binding: why state maintained between requests?

Dear All,
i want to know when and how the state of jsf can be maintain automatically by
adf model.
i have 2 pages, pageA.jspx and pageB.jspx. in pageA.jspx show some data in
datatable (bound to methodIterator), when it go to pageB.jspx from pageA.jspx
and then back to pageA.jspx, the state of the pageA.jspx seems can be stored
by adf somewhere else.
i.e. (pageA.jspx -> pageB.jspx -> pageA.jspx)
****all the backing beans are request scope.
according to the adf dev guide, only the the page binding data for the current page will maintain automatically, then why when pageA.jspx's state is stored ?
do adf store the state in session?? when can i rely on this nature to avoid reload
pageA.jspx's data?? or how can i clear the state of pageA.jspx (blank page) (return from pageB.jspx)??
the adf developer guide seems with little information about the page/binding data
management..where can i found more information about this??
thank you
lsp

Hi,
i am using EJB + JSF + adf model.
in this case its the iterator that survives the page navigationdo you mean that all iterator(method/variable..etc) can survive between page navigation??
You can decide to refresh the iterator on each page load or re-execute the query if
you don't want this.i want to 'clear' the iterator's data, but not to re-execute/refresh it to get data
(as this will cause the underlying methodAction be executed once more)..i just want, say
to display a 'blank' page, say blank pageA.jspx.
IS THERE ANY REFENENCE document that describe the detail behavior..
1. when state maintain?
e.g. case 1 pageA->pageB->pageA->pageB (pageB's state maintained?)
e.g. case 2 pageA->pageB->pageC->pageA (pageA's state maintained?)
2. how do the state maintained??
the iterators are stored in the session or store in the request (e.g. serialized in
hidden input..etc)? will it lead to large memory usage in server side (until session
end)?
i can't find information about the state managementin
the adf developer guide (not adf bc)..
could you please point out where can i found these info??
thank you.
lsp
Message was edited by:
lsp
Message was edited by:
lsp
Message was edited by:
lsp

Refreshing a table from a database

I executed the tutorial "Sun Java Studio Creator 2 - Tutorials - Performing Inserts, Updates, and Deletes".
I am experiencing an anamoly in that when I select a new person for the selection where clause, the data for the previous person remains in the table. There is one case where the new data is correct and that is when there is no data selected, ie the table clears.
When the new person has more rows than the previous person the additional rows are appended to the previous persons rows When the next person has fewer rows than the previous person the previous persons data is truncated but the new persons data is not displayed.
The tutorial has a refresh() statement that doesn't seem to be clearing prior data.
I looked at the javadoc for 'cachedrowsetdataprovider' and it has a 'close()' method but no coressponding 'open()'.
How can I assure that prior results are deleted from the rowset?
thanks
jim murray

Hi!
U can do this via DTW.
First extract the Datas from your other DB in a Excel with all need fields to import.
Import that into new DB via DTW.

Clear & refresh statements

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