Removing Specific Row from table
I have a table and a button with this code
var lastrow = Table1._Row1.count;
if (lastrow < Units.rawValue) then
while (lastrow < Units.rawValue) do
Table1.Row1.instanceManager.addInstance()
lastrow = lastrow + 1
endwhile
elseif (lastrow > Units.rawValue) then
while (lastrow > Units.rawValue) do
Table1.Row1(lastrow).instanceManager.removeInstance()
lastrow = lastrow - 1
endwhile
endif
However that line gives me an error. I am trying to remove the last line of the table. Any help?
Try like this..
Table1.Row1.instanceManager.removeInstance(lastrow-1);
Thanks
Srini
Similar Messages
-
How to remove multiple rows from table
Hi All,
in my application iam using two tables,
this is my code
int selection = wdContext.nodeA().getLeadSelection();
String num = wdContext.nodeA.geAAt(selection).getV_Num();
for(int b=0;b<wdContext.nodeVn_Context().size();b++)
if(wdContext.nodeVn_Context().getVn_ContextElementAt(b).getVa_num().equalsIgnoreCase
(num))
wdContext.nodeVn_Context().removeElement(wdContext.nodeVn_Context().getVn_ContextElementAt(b));
here Vn_Context is having 4 rows, i mean size of Vn_Context is 4. when i use this code to remove that 4 rows based on the condition, which i gave in if, its able to remove only one row, so how to remove those four rows, is this code correct or not, please help me.Hi sushma,
if you have 4 row then why should you give the condition for removing rrow..because when you gave condition the depends on your lead selection of getVa_num().so you will return perticullar row of getVa_num(). value of lad selection ..this would not match of other row value(getVa_num().so it will remove only that value of lead selection of getVa_num().
better you remove taht condition.
int selection = wdContext.nodeA().getLeadSelection();
String num = wdContext.nodeA.geAAt(selection).getV_Num();
for(int b=0;b<wdContext.nodeVn_Context().size();b++)
//if(wdContext.nodeVn_Context().getVn_ContextElementAt(b).getVa_num().equalsIgnoreCase
//(num))
wdContext.nodeVn_Context().removeElement(wdContext.nodeVn_Context().getVn_ContextElementAt(b));
no need to give the condition right now..
if you want to remove multiselection row,i mean selected row for multiple then you select the row as per your rows delete.
for(int b=0;b<wdContext.nodeVn_Context().size();b++)
if(lead==b || wdcontext.nodeVn_Context().isMultiselection(b){
wdContext.nodeVn_Context().removeElement(wdContext.nodeVn_Context().getVn_ContextElementAt(b));
this way you do solve your problem..
thanks
jjati -
Remove a row from multiple tables
Hello,
I have a form that has what appears to be one table. Since I needed 30 columns (29 of them are single character fields) I had to use 2 table objects. Then I needed the ability to add and remove rows. Adding a row at the end is easy enough. Deleting a specific row is the problem. At the moment, I added a third table which has a header row and a item body row. the body row is a button with the intention of removing that entire row from the large table. This means it needs to remove the row from all 3 tables.
My structure is:
form1
(Some other flowed subform that doesn't matter for us)
SubformPersonnel (a flowed subform)
SubformHeader (a positioned subform)
TextOverallHeader (text to label the oeverall 3 tables)
ButtonAddRow (adds a row to the end of all 3 tables)
SubformPersonnelTable (a positioned subform)
ContractorTableRemove (a table with 1 column for the Remove button)
HeaderRow (A hidden row to align the table with the other 2)
Item (A row with the Remove button)CellRemoveButton (the cell with the remove button and associated JavaScript)
ContractorTableLeft (a table with the left 15 printed columns)
HeaderRow
Contractor (A row of data to be removed when CellButton above is clicked)
ContractorTableRight (a table with the right 15 printed columns)
HeaderRow
Contractor (A row of data to be removed when CellButton above is clicked)
(Some other flowed subforms that I am not worried about at the moment)
The 3 tables are aligned so the headers all line up, with no spaces between them. The body rows then line up and this looks like one large table. From left to right, they are:
ContractorTableRemove, ContractorTableLeft, ContractorTableRight
So Item and Contractor rows are added when ButtonAddRow is clicked in the overall header. The intial count is set to 8 for each table, so I get 8 rows at startup. The minimum count is set to 1 for each. I know that each row of each table has the same index number because I filled those into a cell in each table durig the cell's initialize. This line, in the CellRemoveButton's click event deletes that cell's row in that table:
this.parent.parent._Item.removeInstance(this.parent.index);
I have tried all sorts of ways to delete the same row (using same index #) in the other 2 tables: ContractorTableLeft and ContractorTableRight, but don't seem to be getting the correct syntax correct. I have tried hard coding the references, using .parent as shown below, and also tried using an index of 1 just to try deleting a row with no results.
this.parent.parent.parent.ContractorTableLeft._Contractor.removeInstance(this.parent.inde x);
Can someone get me the correct syntax here?
I have seen examples of putting a hidden delete button on each table and clicking that, but I am concerned that it will get in the way of the tables on either side of the table it is in. I reeally want to just reference the row and remove it so I can avoid any problems these additional delete problems may cause.
I have copied the form to https://acrobat.com/#d=7M8R50rEHf4AaVXppwyKLwThank you, Niall. Much appreciated!
The Delete button was more to make sure one could delete these outside a button in the actual row and I see I had the index wrong such that I was deleting the second row and not the first. I had toyed with using this as a hidden button if I could pass the index to the event's function.
I had not thought of adding the reference to each row as a variable. It seems to work very well.
For future reference to others, here is the code from the cellRemoveButton click event:
// Declare some variables
var i = this.parent.index;
var oContractorLeft = ContractorTableLeft.Contractor;
var oContractorRight = ContractorTableRight.Contractor;
// Remove this row by accessing its index within the set of 'Item' row instances of the parent table
_Item.removeInstance(i);
// Since this table is actually 3 tables, we need to remove the other two table's instances as well.
// Their index should be the same, so we just need to get their names correct.
oContractorLeft.instanceManager.removeInstance(i);
oContractorRight.instanceManager.removeInstance(i);
// removing the row doesn't trigger calculations in tables in the form's current target (fixed in later versions of Acrobat)
// force calculations to fire so the ItemIndex field's value is updated according to the remaining row's indexes
// see http://forms.stefcameron.com/2006/05/20/add-recalculate/
xfa.form.recalculate(1);
Again, thank you!
Karl -
First attempt to remove duplicate rows from a table...
I have seen many people asking for a way to remove duplicate rows from data. I made up a fairly simple script. It adds a column to the table with the cell selected in it, and adds the concatenation of the data to the left into that new column. then it reads that into a list, and walks through that list to find any that are listed twice. Any that are it marks for DELETE.
It then walks through to find each one marked for delete and removes them (you must go from bottom to top to do this, otherwise your row markings for delete don't match up to the original rows anymore). Last is to delete the column we added.
tell application "Numbers"
activate
tell document 1
-- DETERMINE THE CURRENT SHEET
set currentsheetindex to 0
repeat with i from 1 to the count of sheets
tell sheet i
set x to the count of (tables whose selection range is not missing value)
end tell
if x is not 0 then
set the currentsheetindex to i
exit repeat
end if
end repeat
if the currentsheetindex is 0 then error "No sheet has a selected table."
-- GET THE TABLE WITH CELLS
tell sheet currentsheetindex
set the current_table to the first table whose selection range is not missing value
end tell
end tell
log current_table
tell current_table
set list1 to {}
add column after column (count of columns)
set z to (count of columns)
repeat with j from 1 to (count of rows)
set m to ""
repeat with i from 1 to (z - 1)
set m to m & value of (cell i of row j)
end repeat
set value of cell z of row j to m
end repeat
set MyRange to value of every cell of column z
repeat with i from 1 to (count of items of MyRange)
set n to item i of MyRange
if n is in list1 then
set end of list1 to "Delete"
else
set end of list1 to n
end if
end repeat
repeat with i from (count of items of list1) to 1 by -1
set n to item i of list1
if n = "Delete" then remove row i
end repeat
remove column z
end tell
end tell
Let me know how it works for y'all, it worked good on my machine, but I know localization is causing errors sometimes when I post things.
Thanks,
Jason
Message was edited by: jaxjasonHi jason
I hope that with the added comments it will be clear.
Ask if something is always opaque.
set {current_Range, current_table, current_Sheet, current_Doc} to my getSelection()
tell application "Numbers09"
tell document current_Doc to tell sheet current_Sheet to tell table current_table
set list1 to {}
add column after column (count of columns)
set z to (count of columns)
repeat with j from 1 to (count of rows)
set m to ""
tell row j
repeat with i from 1 to (z - 1)
set m to m & value of cell i
end repeat
set value of cell z to m
end tell
end repeat
set theRange to value of every cell of column z
repeat with i from (count of items of theRange) to 1 by -1
(* As I scan the table backwards (starting from the bottom row),
I may remove a row immediately when I discover that it is a duplicate *)
set n to item i of theRange
if n is in list1 then
remove row i
else
set end of list1 to n
end if
end repeat
remove column z
end tell
end tell
--=====
on getSelection()
local _, theRange, theTable, theSheet, theDoc, errMsg, errNum
tell application "Numbers09" to tell document 1
set theSheet to ""
repeat with i from 1 to the count of sheets
tell sheet i
set x to the count of tables
if x > 0 then
repeat with y from 1 to x
(* Open a trap to catch the selection range.
The structure of this item
«class
can't be coerced as text.
So, when the instruction (selection range of table y) as text
receive 'missing value' it behaves correctly and the lup continue.
But, when it receive THE true selection range, it generates an error
whose message is errMsg and number is errNum.
We grab them just after the on error instruction *)
try
(selection range of table y) as text
on error errMsg number errNum (*
As we reached THE selection range, we are here.
We grab the errMsg here. In French it looks like:
"Impossible de transformer «class
The handler cuts it in pieces using quots as delimiters.
item 1 (_) "Impossible de transformer «class » "
item 2 (theRange) "A2:M25"
item 3 (_) " of «class NmTb» "
item 4 (theTable) "Tableau 1"
item 5 (_) " of «class NmSh» "
item 6 (theSheet) "Feuille 1"
item 7 (_) " of document "
item 8 (theDoc) "Sans titre"
item 9 ( I drop it ) " of application "
item 10 ( I drop it ) "Numbers"
item 11 (I drop it ) " en type string."
I grab these items in the list
{_, theRange, _, theTable, _, theSheet, _, theDoc}
Yes, underscore is a valid name of variable.
I often uses it when I want to drop something.
An alternate way would be to code:
set ll to my decoupe(errMsg, quote)
set theRange to item 2 of ll
set theTable to item 4 of ll
set theSheet to item 8 of ll
set theDoc to item 10 of ll
it works exactly the same but it's not so elegant.
set {_, theRange, _, theTable, _, theSheet, _, theDoc} to my decoupe(errMsg, quote)
exit repeat (*
as we grabbed the interesting datas, we exit the lup indexed by y.*)
end try
end repeat -- y
if theSheet > "" then exit repeat (*
If we are here after grabbing the datas, theSheet is not "" so we exit the lup indexed by i *)
end if
end tell -- sheet
end repeat -- i
(* We may arrive here with two kinds of results.
if we grabbed a selection, theSheet is something like "Feuille 1"
if we didn't grabbed a selection, theSheet is the "" defined on entry
and we generate an error which is not trapped so it stops the program *)
if theSheet = "" then error "No sheet has a selected table."
end tell -- document
(* Now, we send to the caller the interesting datas :
theRange "A2:M25"
theTable "Tableau 1"
theSheet "Feuille 1"
theDoc "Sans titre" *)
return {theRange, theTable, theSheet, theDoc}
end getSelection
--=====
on decoupe(t, d)
local l
set AppleScript's text item delimiters to d (*
Cut the text t in pieces using d as delimiter *)
set l to text items of t
set AppleScript's text item delimiters to "" (*
Resets the delimiters to the standard value. *)
(* Send the list to the caller *)
return l
end decoupe
--=====
Have fun
And if it's not clear enough, you may ask for more explanations.
Yvan KOENIG (from FRANCE mardi 27 janvier 2009 21:49:19) -
How do I remove a row from the database?
Guys and Gals,
I'm using Studio Edition Version 11.1.1.3.0.
The code below will delete a row from my table, but how do I actually delete the row from the database as well?
DCBindingContainer dcbc = (DCBindingContainer)getBindings();
DCIteratorBinding dcib = dcbc.findIteratorBinding("TipsSelectorIterator");
dcib.removeCurrentRow();
BindingContainer bindings = getBindings();
OperationBinding operationBinding = bindings.getOperationBinding("Commit");
Object result = operationBinding.execute();
AdfFacesContext adffacesctx = AdfFacesContext.getCurrentInstance();
adffacesctx.addPartialTarget(this.getQueryTable()); In this post, I believe Frank sums up what I should do: Remove row from af:table
>
The problem in your case is that this removes the row from the iterator but not your business service. EJB exposes explicit methods to remove an entity. A method lime removeEmployees(employee) >expsed on the EJB model must be called.
You can drag and drop the "removeEmployees" method then as a button to your page. Rename the text label to "Remove" or "Delete". In the opened dialog box, point the method argument to the >following EL #{bindings.iteratorName.currentRow.dataProvider}. Next time you press the button, the row is deleted from the iterator and the business service
Huh? So to delete the row, I need to expose a method. But where? Do I do this in the AppModuleImpl so I can expose it to the Client Interface? But then how do I access entities? And what data type is the #{bindings.iteratorName.currentRow.dataProvider}?
If anyone could point me in a general direction, it'd be great.Frank and Shay,
Thank you both for your posts. I'm amazed there's such a great place to get help. Between the forums, ADF code corner, Not Yet Documented ADF Samples, various blogs and tutorials, it's obvious you guys really care about what you do.
On my example, that approach doesn't seem to work. I tried following it like so in one of the video tutorials by Shay: http://blogs.oracle.com/shay/2010/04/doing_two_declarative_operatio.html. Following Shay's approach, in my particular case, deletes only from the table. Perhaps it is due to my iterator / collection setup?
TipsSelector (1 to 1) -> TipsView (1 to *)-> DependentBom -(1 to * Recursive)> RecursiveBom
TipsSelector references the same View Object as TipsView, but it is set as a 1 to 1 relationship so that I can show TipsView on the page one record at a time. This is the same setup as Tuhra2's hierarchy veiwer example. TipsView / DependentBom is a classic parent / child setup. RecursiveBom is DependentBom referencing itself. Think of it as departments within departments within departments etc...
I have dragged TipsSelector's Named Criteria (All Queriable Attributes) onto my page and created an ADF Query with Table. A remove button on the table's toolbar calls the two actions, Delete (from TipsSelector's iterator) and then Commit. I have modified the code slightly from my previous post but the end result seems to be the same.
BindingContainer bindings = getBindings();
OperationBinding operationBinding = bindings.getOperationBinding("Delete");
operationBinding.execute();
bindings = getBindings();
operationBinding = bindings.getOperationBinding("Commit");
operationBinding.execute();
AdfFacesContext adffacesctx = AdfFacesContext.getCurrentInstance();
adffacesctx.addPartialTarget(this.getQueryTable());Page Def file
<action id="Commit" InstanceName="AppModuleDataControl"
DataControl="AppModuleDataControl" RequiresUpdateModel="true"
Action="commitTransaction"/>
<action IterBinding="TipsSelectorIterator" id="Delete"
InstanceName="AppModuleDataControl.TipsSelector"
DataControl="AppModuleDataControl" RequiresUpdateModel="false"
Action="removeCurrentRow"/>On ppr of the query table, the row is gone. However, when I press the Search button on the query again, the record reappears.
This is beyond me. Am I somehow deleting from the query results but not the database? -
How to remove a row from a rowset obtained via a CachedRowSetDataProvider
I have a table filled from a database that it is bound to.
I have the CachedRowSetDataProvider that supplies the rows.
I want to remove a row from the result set and can't figure out how.
There is a method ... removeRow(RowKey row).
and there is a method ... getRowKey(java.lang.String rowId)
How do I determine what the string id is for, say, row 3?
thanks
jim murrayThats the tutorial I am working with.
My problem is that the statement tripDataProvider.refresh();
executed when the person drop down changes doesn't seem to clearing the previous persons results.
So I want to clear the rowset myself by deleting the rows individually.
I can find a method to delete a row if I supply the RowKey.
There is a method to get the rowkey if I know the RowID, which is a string.
Unfortunately I dont know the string to use for an arbitrary row.
There should be a simpler way to clear the data from a rowset.
regards
jim murray -
Deleting rows from table based on value from other table
Hello Members,
I am struck to solve the issue said below using query. Would appreciate any suggestions...
I have two tables having same structures. I want to delete the rows from TableA ( master table ) with the values from TableB ( subset of TableA). The idea is to remove the duplicate values from tableA. The data to be removed are present in TableB. Catch here is TableB holds one row less than TableA, for example
Table A
Name Value
Test 1
Test 1
Test 1
Hello 2
Good 3
TableB
Name Value
Test 1
Test 1
The goal here is to remove the two entries from TableB ('Test') from TableA, finally leaving TableA as
Table A
Name Value
Test 1
Hello 2
Good 3
I tried below queries
1. delete from TestA a where rowid = any (select rowid from TESTA b where b.Name = a.Name and a.Name in ( select Name from TestB ));
Any suggestions..
We need TableB. The problem I mentioned above is part of process. TableB contains the duplicate values which should be deleted from TableA. So that we know what all values we have deleted from TableA. On deleted TableA if I later insert the value from TableB I should be getting the original TableA...
Thanks in advancedrop table table_a;
drop table table_b;
create table table_b as
select 'Test' name, 1 value from dual union all
select 'Test' ,1 from dual;
create table table_a as
select 'Test' name, 1 value from dual union all
select 'Test' ,1 from dual union all
select 'Test' ,1 from dual union all
select 'Hello' ,2 from dual union all
select 'Good', 3 from dual;
/* Formatted on 11/23/2011 1:53:12 PM (QP5 v5.149.1003.31008) */
DELETE FROM table_a
WHERE ROWID IN (SELECT rid
FROM (SELECT ROWID rid,
ROW_NUMBER ()
OVER (PARTITION BY name, VALUE
ORDER BY NULL)
rn
FROM table_a a
WHERE EXISTS
(SELECT 1
FROM table_b b
WHERE a.name = b.name
AND a.VALUE = b.VALUE))
WHERE rn > 1);
select * from table_a
NAME VALUE
Test 1
Hello 2
Good 3Edited by: pollywog on Nov 23, 2011 1:55 PM -
Removing duplicate rows from SELECT
Hi, I was wondering if there was any way to remove duplicate rows from a select statement.
My table looks like this:
CREATE TABLE CUS_ID_TO_PC_ID (
CUSTOMER_ID VARCHAR2 (10) NOT NULL,
PC_ID VARCHAR2 (25) NOT NULL,
PASSWORD VARCHAR2 (25) NOT NULL,
REG_DATE DATE,
PRODUCT_DESC VARCHAR2 (25),
EXPIRE_DATE DATE,
SERIAL_NBR VARCHAR2 (12),
LDAP_USER VARCHAR2 (200),
COMMENTS VARCHAR2 (2000),
PC_ID_5_4 VARCHAR2 (25),
PC_ID_6_0 VARCHAR2 (25),
PASSWORD_5_4 VARCHAR2 (25),
PASSWORD_6_0 VARCHAR2 (25),
PC_ID_6_1 VARCHAR2 (25),
PASSWORD_6_1 VARCHAR2 (25),
OPERATING_SYSTEM VARCHAR2 (20),
STATUS VARCHAR2 (1)
Basically, I want to retrieve all columns from the table but remove all duplicate variations of
the pc_id/serial_nbr combinations.
For example, given this data:
PC_ID SERIAL_NBR CUSTOMER_NO
1234567 AAA C345
1234567 AAA C567
3333333 BBB C456
only the 1st and 3rd rows would be returned.
Any ideas?Try something like this:
select * from your_table yt
where rowid in (select max(rowid)
from your_tabel yt2
where yt2.pc_id = yt.pc_id
and yt2.serial_nbr = yt.serial_nbr); -
WebDynpro Java: how to remove blank element from Table and Dropdown.
Hi Folks
In a webdynpro application,
I created a table and witten the below code to populate the table
IPrivateDummyView.IFirst_TableElement First_Table_Element = null;
First_Table_Element = wdContext.nodeFirst_Table().createFirst_TableElement();
First_Table_Element.setF_Value("One");
wdContext.nodeFirst_Table().addElement(First_Table_Element);
First_Table_Element = wdContext.nodeFirst_Table().createFirst_TableElement();
First_Table_Element.setF_Value("2");
wdContext.nodeFirst_Table().addElement(First_Table_Element);
As per the code, i got 2 row in the table.
But , i have one Empty row on top of the table , how to get ride of this.
i find the same problem happening with dropdown too, where i used DDBI, i populated a the content as mention, but i initial 2 row as blank and then i have my own elements ,as per my code.>
> how to remove blank element from Table and Dropdown
>
Change selection property of related node to from 0..1 to 1..1 (mandatory)
Re: DropdownByIndex and empty line (Thread: DropdownByIndex and empty line )
Re: Can the empty selection be removed from element dropdownbykey(Thread: Can the empty selection be removed from element dropdownbykey )
Edited by: Anagha Jawalekar on Nov 18, 2008 10:28 PM -
How to remove a row from a rowset
HI,
I am trying to do a very simple thing, but I got stuck.
The problem:
I want to remove a row from a rowset, without removing the row itself. Especially I do not want to remove any entities.
I need this functionality in several situations, for example when I want to move a row from one rowset to another.
Another situation is when I have a viewlink not based on an association. When a row is modified so it does not fit to the viewlink's where clause anymore, I need a way to remove it manually (without removig any associated entities),
I hope someon can help me on this,
thanks,
FrankSascha:
The only workaround I can think of is a true hack, and you'd be entering into a unchartered territory. But, it may be worth a try.
First, you need to create a subclass of oracle.jbo.server.ViewObjectImpl in the oracle.jbo.server package. This is because you need to override one of the package private methods. Suppose you define oracle.jbo.server.TempBaseViewObjectImpl which extends ViewObjectImpl.
Override the following method:
int[] getDeleteParticipants()
This method returns an array of EO bases for which ViewRow's delete should cause deletion of EntityRow's.
So, before you remove a ViewRow, you should set some flag in your TempBaseViewObjectImpl, so that getDeleteParticipants() would return "new int[0];" This will cause no EntityRow's to be deleted. Only the ViewRow will be removed from the collection.
Note that you should reset this flag after the operation, so that you can delete the EntityRow's (when necessary).
Your real VO should then subclass TempBaseViewObjectImpl.
Once we fix this problem and provide a real API, you should remove TempBaseViewObjectImpl and extend your real VO from ViewObjectImpl instead of TempBaseViewObjectImpl.
Thanks.
Sung -
How to remove a row from a jtable with DefaultTableModel
Hi to all,]
I want to remove a row from jtable. I am using DefaultTableModel.
I have got some example but every example is given with AbstractTableModel
Please help me...
Thanks and RegardsI want to remove a row from jtable. I am using DefaultTableModel.How do you program without reading the API.
The name of the method you use is "removeRow". How hard is that to find by reading the API?
Not only do you not bother to read the API, you don't even bother to read and respond to your old postings when you get help:
http://forum.java.sun.com/thread.jspa?threadID=5137773
http://forum.java.sun.com/thread.jspa?threadID=5134667
http://forum.java.sun.com/thread.jspa?threadID=5131162
Your on your own in the future. -
How to update duplicate row from table
Hi,
how to update duplicate row from table?
First to find duplicate row then update duplicate row with no to that duplicate row in oracle.
can you give me suggestion on it?
Thanks in advance.
your early response is appreciated...In order to find a duplicate row, see:
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:1224636375004
(or search this forum, your question has been asked before)
In order to update it, just create and use an Oracle sequence, have it start and increment at a value that doesn't exist in your table.
If that doesn't get you going, post some CREATE TABLE + INSERT INTO statements, and the results you want from them, in other words: a complete testcase. -
How to remove default value from table definition?
Hi,
running 9.2
Following problem :
I need to remove default value from table.
Example
CREATE TABLE MY_TABLE(
NAME VARCHAR2(50) DEFAULT 'NAME',
AGE NUMBER DEFAULT 0
Now even when I use MODIFY like
ALTER TABLE MY_TABLE MODIFY (NAME VARCHAR2(10) );
The default is still there:
SELECT DATA_DEFAULT FROM USER_TAB_COLUMNS WHERE TABLE_NAME = 'MY_TABLE';
Is there any way?
ThanksThanks,
found the answer. It is not possible!!!!
http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/statements_3001.htm
Note:
If a column has a default value, then you can use the DEFAULT clause to change the default to NULL, but you cannot remove the default value completely. That is, if a column has ever had a default value assigned to it, then the DATA_DEFAULT column of the USER_TAB_COLUMNS data dictionary view will always display either a default value or NULL -
Remove specific row and column from 2d array
Hi,
I would like to know how to remove the specific row and column from 2d array.
for example, I have the original 4x4 array as below
2 -1 -1 0
-1 2 0 -1
-1 -1 2 0
-1 -1 -1 3
let say that i want to remove row 2(bold) and column 2(bold), and the new 2d array should get as below
2 -1 0
-1 2 -1
-1 -1 3
Thanks.You can't remove elements of an array, it's fixed at a certain size once created. What you can do however is make a new array and only copy the things you want. Something like:public static void main(String[] args) {
Integer[][] bar = new Integer[5][5];
for (int i = 0; i < bar.length; i++) {
Integer[] baz = bar;
Arrays.fill(baz, i);
System.out.println(Arrays.toString(baz));
Integer[][] muu = new Integer[5][4];
removeColumn(3, bar, muu);
for (Integer[] mee : muu) {
System.out.println(Arrays.toString(mee));
Integer[][] smuu = new Integer[4][5];
removeRow(3, bar, smuu);
for (Integer[] mee : smuu) {
System.out.println(Arrays.toString(mee));
public static <T> void removeRow(int row, T[][] a, T[][] result) {
if (row >= a.length) {
throw new IllegalArgumentException("no row at " + row);
for (int a_r = 0, result_r = 0; a_r < a.length; a_r++) {
if (a_r == row) {
continue;
System.arraycopy(a[a_r], 0, result[result_r], 0, a[a_r].length);
result_r++;
public static <T> void removeColumn(int col, T[][] a, T[][] result) {
for (int i = 0; i < a.length; i++) {
if (col >= a[i].length) {
throw new IllegalArgumentException("no column at [" + i + ", " + col + "]");
for (int a_i = 0, r_i = 0; a_i < a[i].length; a_i++) {
if (a_i == col) {
continue;
result[i][r_i] = a[i][a_i];
r_i++; -
Remove row from table when adding values to another table
hi am adding value programticaly how can i remove the row i just add from the table
this is how am adding value
public void addMember(javax.faces.event.ActionEvent actionEvent) {
List<String> tempTable = new ArrayList<String>();
//Code to get the bindings for TargetVO :
RowKeySet selectedEmps = getEmpTable().getSelectedRowKeys();
Iterator selectedEmpIter = selectedEmps.iterator();
DCBindingContainer bindings =
(DCBindingContainer)BindingContext.getCurrent().getCurrentBindingsEntry();
DCIteratorBinding empIter = bindings.findIteratorBinding("UserDetailsViewVO1Iterator");
RowSetIterator empRSIter = empIter.getRowSetIterator();
while(selectedEmpIter.hasNext()){
Key key = (Key)((List)selectedEmpIter.next()).get(0);
Row currentRow = empRSIter.getRow(key);
onRowCreate(currentRow);
boolean b = selectedEmps.remove(currentRow);
i what to clear the row i just selected from the table
AdfFacesContext.getCurrentInstance().addPartialTarget(empTable);
// empTable
public void onRowCreate( Row currentRow ) {
BindingContainer bindings = BindingContext.getCurrent().getCurrentBindingsEntry();
//access the name of the iterator the table is bound to.
DCIteratorBinding dciter = (DCIteratorBinding) bindings.get("addmemberBeanIterator");
//access the underlying RowSetIterator
RowSetIterator rsi = dciter.getRowSetIterator();
//get handle to the last row
Row lastRow = rsi.last();
//obtain the index of the last row
int lastRowIndex = rsi.getRangeIndexOf(lastRow);
/*check if the user is added already*/
/*OperationBinding oper2 = (OperationBinding) bindings.get("check if user exists method binding");
oper2.getParamsMap().put("attributeName1", uniqueUserAttributeValue);
Object ret = oper2.execute();*/
//create a new row
Row newRow = rsi.createRow();
String f = (String)currentRow.getAttribute("Firstname");
String s = (String)currentRow.getAttribute("Surname");
String u = (String)currentRow.getAttribute("Username");
String n = (String)currentRow.getAttribute("Emailaddress");
// String orgid = (String)currentRow.getAttribute("Organisationid");
newRow.setAttribute("firstname", f);
newRow.setAttribute("surname", s);
newRow.setAttribute("name", u);
newRow.setAttribute("emailaddress", n);
// newRow.setAttribute("Organisationid1",orgid);
//initialize the row
newRow.setNewRowState(Row.STATUS_INITIALIZED);
//add row to last index + 1 so it becomes last in the range set
rsi.insertRowAtRangeIndex(lastRowIndex +1, newRow);
//make row the current row so it is displayed correctly
rsi.setCurrentRow(newRow);
System.out.println("Username " + u);
System.out.println("firstname " + f);
System.out.println("surname " + s);
System.out.println("email " + n);
// refereshpage();
// return null;
am in jdevloper 11.1.1.6.0
my table is
public void onRowCreate( Row currentRow ) {
BindingContainer bindings = BindingContext.getCurrent().getCurrentBindingsEntry();
//access the name of the iterator the table is bound to.
DCIteratorBinding dciter = (DCIteratorBinding) bindings.get("addmemberBeanIterator");
//access the underlying RowSetIterator
RowSetIterator rsi = dciter.getRowSetIterator();
//get handle to the last row
Row lastRow = rsi.last();
//obtain the index of the last row
int lastRowIndex = rsi.getRangeIndexOf(lastRow);
/*check if the user is added already*/
/*OperationBinding oper2 = (OperationBinding) bindings.get("check if user exists method binding");
oper2.getParamsMap().put("attributeName1", uniqueUserAttributeValue);
Object ret = oper2.execute();*/
//create a new row
Row newRow = rsi.createRow();
String f = (String)currentRow.getAttribute("Firstname");
String s = (String)currentRow.getAttribute("Surname");
String u = (String)currentRow.getAttribute("Username");
String n = (String)currentRow.getAttribute("Emailaddress");
// String orgid = (String)currentRow.getAttribute("Organisationid");
newRow.setAttribute("firstname", f);
newRow.setAttribute("surname", s);
newRow.setAttribute("name", u);
newRow.setAttribute("emailaddress", n);
// newRow.setAttribute("Organisationid1",orgid);
//initialize the row
newRow.setNewRowState(Row.STATUS_INITIALIZED);
//add row to last index + 1 so it becomes last in the range set
rsi.insertRowAtRangeIndex(lastRowIndex +1, newRow);
//make row the current row so it is displayed correctly
rsi.setCurrentRow(newRow);
System.out.println("Username " + u);
System.out.println("firstname " + f);
System.out.println("surname " + s);
System.out.println("email " + n);
// refereshpage();
// return null;hi,
make the table selection single and use this links 4 ur task.
http://www.baigzeeshan.com/2010/06/deleting-multi-selected-rows-from-adf.html
http://deepakcs.blogspot.com/2013/01/ejb-dc-deleting-multi-selected-rows.html
https://forums.oracle.com/thread/2534813
https://blogs.oracle.com/jdevotnharvest/entry/iterating_selected_rows_in_an
txs
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