Query with criteria in unbound item

Hi,
I have a block (master) related to another block (detail). I'd like to narrow the returned results by adding a criteria in an unbound item in the master block.
The value in the unbound item seemed to be ignored when I execute the query.
How can I add a criteria for my query ?
Thank you...

If it's a simple value then add in a pre-query trigger onto the detail block with something like :
begin
if :control.my_unbound_item is not null then
:detail.the_item := :control.unbound_item;
end if;
end;
If you need something more sophisticated then post an example of what you'd like to do.
Regards,
Steve

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Query with criteria?

Here's my problem...
I have a table that I am using for a forum. I have the following fields in table...
username
datepost
post
postby
subject
Whenever somebody posts a new topic - a new record with a new subject is created. Whenever somebody responds to a post - a new record with an already existing subject is created - anotherwards I am grouping the records by subject so when a user views a topic the original post will display and all responses will display by setting the query to "select * from .... where subject like ...."
My problem is on the forum home page I have a table and I want to set the query to display all the subjects, but only once...anotherwards for each subject I just want to display the oldest record because that record will be the original post and yes datepost is type DATE/TIME in MySQL. I know that I could add a field to this table and do something like everytime a new topic is posted set the new field to 1 and then set all replies to set the new field to 2 and then I could just use this new field in the query to solve my problem, but I DON'T WANT TO ADD A FIELD TO THE TABLE. So does anybody know how I can solve this problem without changing the table?
Thanks in advance.

I wonder if my forum etiquette is wrong or something because alot of my posts go unanswered, but either way I solved my problem. I did end up making a new table fields follow...
screenname varchar
date date/time (MySQL Date/Time)
topic varchar
originator varchar (probably should be boolean to be most efficient and follow best practices, but I was lazy!)
post text
notes text (Really just an extra field for admin use)
forumid varchar
Here's how it works...
originator field is updated with char 1 for an originating post...anotherwards when a new topic is created that record gets a 1 in this field...The reason I do this is so when somebody wants to view a post I have to identify one of the records as the originating post and I also need a way to query for only unique topics that are originating post so all replies get char 0 in this field. Now when a client goes to forum home page they will see table with all original posts and the table is not filled with any replies. The table has a hyperlink component for topic that returns a second page with a different query that DOES display FIRST the originating post and then all replies in ASC order by Date. Another note is that I have 2 Forums so I used forumid to identify posts from the two different forums. I have never built a forum before and I have no doubt that I will find problems with this setup, but so far it's all working well. Now if anybody can tell me how to replaceAll /n with <br> to display carriage returns in table...I would be grateful!

Select some attributes with criteria api

Hi,
How can I specify more than one attribute here:
query.select((Selection<? extends E>) root.get("name"));
in other words, how can i get this query with criteria api "select name, second_name from Person" ?
Thank you!

Hi,
How can I specify more than one attribute here:
query.select((Selection<? extends E>) root.get("name"));
in other words, how can i get this query with criteria api "select name, second_name from Person" ?
Thank you!

LOV regions - possible to use several items as query-able criteria

Hi,
I have a question about LOV regions –
Is it possible to have several items that are query-able criteria and result for a LOV region?
Addition to the LOV–input-item itself, I’d like to have another item that will be used as one of the criteria’s to the LOV-query.
I’ve defined the “Criteria Item” value for an additional item, which his “LOV Region Item” is query-able, but the value doesn’t appear in the search field,
When entering the LOV-region.
Do I have to add the additional criteria to the LOV by initializing the VO?
Thanks in advance,
Rona

Seems lot of confusion with LOV. Well first thing to do is to go through the LOV section of Dev guide for more understanding.
As for your questions, yes, you can have multiple items that are query-able criteria and result. You can use another item as the criteria to lov query, but it has to be a form element.
If your criteria is set properly, you don't need to initialize VO manually.
--Shiv

SQL Report query with condition (multiple parameters) in apex item?

Hello all,
I have a little problem and can't find a solution.
I need to create reports based on a SQL query or I.R. Nothing hard there.
Then I need to add the WHERE clause dynamically with javascript from an Apex item.
Again not very hard. I defined an Apex item, set my query like this "SELECT * FROM MYTAB WHERE COL1 = :P1_SEARCH" and then I call the page setting the P1_SEARCH value. For instance COL1 is rowid. It works fine.
But here is my problem. Let's consider that P1_SEARCH will contain several rowids and that I don't know the number of those values,
(no I won't create a lot of items and build a query with so many OR!), I would like sotheming like "SELECT * FROM MYTAB WHERE ROWID IN (:P1_SEARCH) with something like : ROWID1,ROWID2 in P1_SEARCH.
I also tried : 'ROWID1,ROWID2' and 'ROWID1','ROWID2'
but I can't get anything else than filter error. It works with IN with one value but as soon as there are two values or more, it seems than Apex can't read the string.
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mnoscars wrote:
But here is my problem. Let's consider that P1_SEARCH will contain several rowids and that I don't know the number of those values,
(no I won't create a lot of items and build a query with so many OR!), I would like sotheming like "SELECT * FROM MYTAB WHERE ROWID IN (:P1_SEARCH) with something like : ROWID1,ROWID2 in P1_SEARCH.
I also tried : 'ROWID1,ROWID2' and 'ROWID1','ROWID2'
but I can't get anything else than filter error. It works with IN with one value but as soon as there are two values or more, it seems than Apex can't read the string.For a standard report, see +{message:id=9609120}+
For an IR—and improved security avoiding the risk of SQL Injection—use a <a href="http://download.oracle.com/docs/cd/E17556_01/doc/apirefs.40/e15519/apex_collection.htm#CACFAICJ">collection</a> containing the values in a column instead of a CSV list:
{code}
SELECT * FROM MYTAB WHERE ROWID IN (SELECT c001 FROM apex_collections WHERE collection_name = 'P1_SEARCH')
{code}
(Please close duplicate threads spawned by your original question.)

Entering query criteria in an item(s)

Hi. In have what I hope is an easy question...
In the same way a user can enter the % character in an item on the canvas to query records where the column is Not Null, can the user enter some special character in the item that will query only records where the value is null?

Hi There:
Try this, it works for me.
Add the block trigger called PRE-QUERY with the following code:
DECLARE
     VV_DEFAULT_WHERE VARCHAR2(500);
BEGIN
     IF :AEMS_PRUEBA.PHONE = '!'
          THEN
          :AEMS_TEST.PHONE := NULL;
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END;
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To do this, I create a local variable called VV_DEFAULT_WHERE. I use an If statement to ask for the special character you want to search for, in my test I ask for the '!'. If the the filed :AEMS_TEST.PHONE = '!' then I do the following:
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Where AEMS.SEQ is the field on the block [AEMS is the alias of the block]
after that, just need to setup the new where clause of your based-table block with the following code:
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Then when your user press the F8 to execute the trigger, it will send to the database the following select statement:
SELECT AEMS.NAME,
AEMS.ADRESS,
AEMS.PHONE,
AEMS.LIMIT,
AEMS.SEQ
FROM AEMS_TEST AEMS
WHERE AEMS.SEQ IN (SELECT P.SEQ FROM AEMS_TEST P WHERE NVL(P.PHONE, '!') = '!'
Hope this works for you-
Abdel Miranda
AEMS Global Group
Panama

Query to find vendor number with whom a particular item was last purchased.

Hi All,
I want to frame a SQL query to find vendor number with whom a particular item was last purchased.
I got to know that we can find this by looking at the open Purchase Order or the Material Transactions for the transaction type of ‘PO Receipt’ whichever is the latest.
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I need to re-query a block with criteria from last query
(after having changed the block's order by-clause), that is
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Have a multirecord block with several unbound items, filled by calling just

In oracle forms I have a form with a multi-record block, with several unbound items.
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The formula for this item fills the others unbound items.
A procedure with several out parameters is called.
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:cmr.id (holding the unique id of a database record)
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:cmr.unbound_adres
:cmr.unbound_contactperson
function f_fill_blk_unbound_items(p_id in customers.id%type)
return number
is
l_rc number;
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Thank you for your reply.
I can write database functions as wrappers, one for each out parameter, and use these in a select.
But:
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- I want to leave my database as is, and just replace the client.
Easy as this is using Oracle developer forms, I cannot find out how to do this in any of the APEX examples/documentation.

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I have a VO and view criteria(VC).
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The problem is,
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Try
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Hello,
I need a concatenation of 2 names and I don't get it to work properly...
As Unbound Type i have SQL Expression and for Derivation Expression there is L_FWR_ACHTERNAAM||' '||L_FWR_ROEPNAAM
I also tried this with the function concat() itself but this result in the same problem. When I try to generate the module I have the error message:
CDG-01061 ERROR: Unbound Item OIFF0420301.ILD.FWR_NAAM: Invalid derivation expression 'L_FWR_ACHTERNAAM||' '||L_FWR_ROEPNAAM' for this item's type
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Sofie

Hi Sofie,
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Roel

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Report and ready for input Query, with similar shadings are confusing

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http://www.oracle.com/technetwork/developer-tools/adf/learnmore/index-101235.html

Query with criteria in unbound item

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