How to compare, current value in :block.text_item with the database value

Hi
Could you please tell me
How to compare the current value in :block.text_item with the corresponding database column value.
I am using forms 10g
There is block and there is an text Item in that block.
When I run the form and query the block (tabular), the :block.text_item shows me, whatever value there in the database.
Now I add some value in the :block.text_item to the existing value.
now
the :block.text_item contains old+ new added value
whereas
the database table contains 'old' value
Now on a button click , I want to find out what is the value that I have added
Could you please tell me, is it possible without writing a select query?

Hello,
Now on a button click , I want to find out what is the value that I have addedSo you mean always user will add value in the existing value. Because this way will fail in one case. Let say
Value in Database is = ABCD
User opened the form and he removed the D and write E and now value is ABCE and length is still same 4. So, there is no addition.
Anyway you can know the database value at runtime there is one property for item called DATABASE_VALUE. It gives the value which is in database while you are running the form before save. and you can use like this..
Trigger = WHEN-MOUSE-DOUBLE-CLICK on item level
DECLARE
vItemValue DATATYPE; -- Set the data type according to your desired field.
vValueAdded DATATYPE; -- Set the data type according to your desired field.
BEGIN
vItemValue:=GET_ITEM_PROPERTY('ITEM_NAME',DATABASE_VALUE); -- It will return you the database value in vItemValue variable.
IF LENGTH(vItemValue)>LENGTH(:FORM_ITEM_NAME) THEN -- It mean something change or added
vValueAdded:=SUBSTR(:FORM_ITEM_NAME,LENGTH(vItemValue)+1);
MESSAGE('Added value is : '||vValueAdded); -- It will show you the added value.
END IF;
-- now suppose you want to show the old and new value in message not the added one
-- Then no need of IF condition. You can just use message like this
-- And i would prefer to use like this way
MESSAGE('Old Value : '||vItemValue||' New Value - '||:FORM_ITEM_NAME);
MESSAGE('Old Value : '||vItemValue||' New Value - '||:FORM_ITEM_NAME);
END;Hope it is clear.
-Ammad

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Hi all,
I have to include a statement in a query which allows to compare the current value of column A with the previous value of column A (same column). from there, I need to add a condition in order to have the expected result.
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Hi,
user11961002 wrote:
Hi,
Here is the query that I use:
[ select
sl.ship_id,
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o.reffld_5 "BatchNR",
sum(tc1.chrg_amt) "FreightPRC",
sum(tc2.chrg_amt) "FuelPRC",
sum (tc1.chrg_amt + tc2.chrg_amt + tc3.chrg_amt) "Total Price"
from ord_line ol
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join shipment_line sl on (ol.ordnum = sl.ordnum and ol.client_id = sl.client_id and ol.ordlin = sl.ordlin)
join adrmst a2 on (o.rt_adr_id = a2.adr_id)
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left join tm_chrg tc2 on (tc2.chargetype = 'FUELSURCHARGE'and tc2.chrg_role = 'PRICE' and tc2.ship_id = sl.ship_id)
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o.reffld_5, ol.early_shpdte
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I removed some columns from the select as they are not relevant for the wanted action like 'adress details or other references'.
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SID0132408     MDK-000014-05602649     04641401     110     10 120
SID0132408     MDK-000014-05602651     04641402     110     10 120
SID0132408     MDK-000014-05602652     04641363     110     10 120
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SID0132408     MDK-000014-05602649     04641401     110     10 120
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It looks like you tried to format the code (but not the results) by typing this 1 character:
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String pop_up_attr_value= pageContext.getParameter("Value");
params = new Serializable[] {pop_up_attr_value};
am.invokeMethod("setPopupValue",params);
enableDisable(webBean, pageContext);
else if (!TransactionUnitHelper.isTransactionUnitInProgress(pageContext, "G2DetailCreateTxn", true))
OADialogPage dialogPage = new OADialogPage(STATE_LOSS_ERROR);
pageContext.redirectToDialogPage(dialogPage);
else if (!TransactionUnitHelper.isTransactionUnitInProgress(pageContext, "G2DetailUpdateTxn", true))
OADialogPage dialogPage = new OADialogPage(STATE_LOSS_ERROR);
pageContext.redirectToDialogPage(dialogPage);
public void setPopupValue(String pVal)
Perc4681G2DetailVOImpl vo1 = getPerc4681G2DetailVO1();
Perc4681G2DetailVORowImpl row = (Perc4681G2DetailVORowImpl) vo1.getCurrentRow();
row.setAttribute("Value",pVal);
Everything mentioned above is working as expected whereas I am not able to see the value ented in modal dialog window in value column of base page.
Value is getting set in VO but it is not getting reflected in page.
Could you please let me know where I am going wrong.
Thanks in advance.

How can I get "IMAQ Line Fit" stable (with the same points)

How can I get "IMAQ Line Fit" stable (with the same points)
I my vision applications I use a lot off times "IMAQ Line Fit"
some times the results are not Stable.
See vi and word document attached.
When I take the same points but in a other order (sort)
then suddenly all points are used.
In this case I was looking for a edge in vertical direction (Y).
I found the points but "IMAQ Line Fit" did not function well.
I tried changing all settings like pixel radius and minimum score and
also threshold and so on. But no result.
Then I sorted the points reversed and that worked. See vi.
I use labview Labview 8.6.0 and IMAQ machine vision.
Maybe this problem is solved in a newer version.
Please let me know.
Thanks
Attachments:
TEST-imaq-line-fit-86.vi ‏169 KB
IMAQ-Fit-Line-Problem-86.doc ‏230 KB

Thank You for your reaction Hossein,
This "one application" uses "Line fit" about 20 000 000 times a day.
about 200 will go wrong. With your setting the the "Line fit" for this occasion will work but others will go wrong.
A algorithm should be:
1e Stable, when using the same points and settings the result MUST be the same. How the points are sorted should not matter.
2e Accuracy
3e Speed
4e Testing. Is very difficult but al least close points and the same points and sorting ... should be done
NI now as made a " IMAQ Line Fit" Problem CAR (Corrective Action request) 298016.
so in the future there will be a update.
In the mean while a made a line fit which uses Bisquare option from Linear Fit.vi :
from C:\Program Files\National Instruments\LabVIEW 8.6\vi.lib\analysis\6fits.llb
This is a temporary fix because "IMAQ Fit Line VI" is not so stable.
Because outliers should be rejected only Bisquare does this reasonable.
This program does NOT USE "Minimum Score" and "Pixel Radius"
Valid fit = When there are enough points within Outlier_Distance.
Algorithm steps:
- Determine if line is more horizontal then vertical, Compare DeltaX with DeltaY
- If DeltaX <= DeltaY then SWAP X Y and later Swap back
- Sort Points at on X value
- First : Bisquare Linear Fit
- Calculate distances to the found line for all points
- Inliers: Points within Outlier_distance
- Outliers: Points outside Outlier_Distance
- Only use Inlier Points
- Check again if DeltaX < DeltaY then SWAP X Y later SWAP back again
- Second : Bisquare Linear Fit only with the Inlier Points
- Results are from the second fit
Warning : This Program is Not so accurate and Not so fast
See attachments it is in labview 8.6
If some has a improvement please let me know.
Thanks
Attachments:
svi_fit_line_Bsquare_and_draw.vi ‏18 KB
Fit_Line_Bisquare_Linear.vi ‏40 KB

How does works default parameters in a program with logical database PNP?

Hi Friends,
I have a basic program, i need to filter info with period parameters in a program that uses logical database PNP, but it doesn't work.
If i use "person selection period" that it's suposed to filter info according to infotype 0001 (as the sap help says), it doesn't work, i use: PNPBEGPS = today and PNPENDPS = today, and the result it's a lot of registers that doesn't meet that criteria.
Also i tried with: data selection period, today, up to day, current month. And the result it's with the same problem.
How does works period parameters in a program with logical database PNP?
This it's the program example, i use the default category.
REPORT ZRPHRTEST.
tables: pernr.
infotypes: 0001.
start-of-selection.
get pernr.
write: pernr-pernr, p0001-begda, p0001-endda.
end-of-selection.
write 'fin'.

Hi,
Define pernr table under tables statement then and use GET PERNR event.This get event is followed by End-Of-Selection.
Syntax: Tables pernr.
Get pernr.
Try, activate and test. This should solve your problem.
Regards,
Abhijeet

How to insert some strings in a query with the clausule 'in' in a procedure

Hello fellows.
Do you know how to insert some strings in a query with the clausule 'in' in a procedure (with a variable)?.
I tell us my problem with an example:
I want to use this select but introducing a variable instead the 'value1', 'value2':
select * from table1 where field1 in ('value1', 'value2');
if I declare the variable var1 as:
TC_VAR1 CONSTANT VARCHAR2(50) := '''value1'',''value2'''
and I use it as:
select * from table1 where field1 in (TC_VAR1);
It doesn't work because Oracle takes TC_VAR1 as an all string. I think Oracle takes it as this:
select * from table1 where field1 in ('value1, value2');
If I use the data type TABLE, I don't know how to use well:
TYPE varchar2_table IS TABLE OF VARCHAR2(10);
tb_var varchar2_table;
select * from table1 where field1 in (tb_var);->It returns an error and there ins't an method that it returns all values.
A curious case is that if I have a sql script (for example script1.sh) with this query:
select * fromt able1 where field1 in (&1)
and I invoke this script as
script1.sh "'''value1'',''value2'''". It works
Can anybody helps me?.
Thanks.

Thanks to all. Really.
First, sorry for my English. It's horrible. Thank to all for understand it (my English).
I've resolved my problem with these links:
ORA-22905: cannot access rows from a non-nested table item
and
http://stackoverflow.com/questions/896356/oracle-error-ora-22905-cannot-access-rows-from-a-non-nested-table-item
At last, I have used someting like this:
DECLARE
number_table_tmp NUM_ARRAY:=NUM_ARRAY(410673, 414303, 414454, 413977, 414042, 414115, 413972, 414104, 414062);
BEGIN
FOR c1 IN (SELECT par_id, 1 acc_vdo_id FROM SIG_VIS_CAM
WHERE par_id IN (SELECT * FROM TABLE(number_table_tmp))
UNION ALL
SELECT par_id, 2 acc_vdo_id FROM SIG_ACCAO a
WHERE par_id IN (SELECT * FROM TABLE(number_table_tmp))) LOOP
NULL;
END LOOP;
END;
but first I had to create the type NUM_ARRAY like this:
CREATE TYPE subjectid_tab AS TABLE OF NUMBER INDEX BY binary_integer;
THANK YOU, GUYS. YOU ARE THE BESTS. ;-)
Edited by: user12249099 on 08-sep-2011 7:37
Edited by: user12249099 on 08-sep-2011 7:37

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