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ORDER BY - block property [message #314676]

Thu, 17 April 2008 08:09

**credo**
Messages: 4
Registered: April 2008

Junior Member

good day.

here's my problem.
i have a form module which displays columns from
table A and table B. since most of the displayed columns are
from table A, i created a base table block having table A as
the data source. for the required columns from table B, i do a post query. however i need to sort the displayed records using
a column from table B. is there a way i can do this?

pls help. thanks.

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Re: ORDER BY - block property [message #314687 is a reply to message #314676]

Thu, 17 April 2008 08:45

Kaeluan
Messages: 179
Registered: May 2005
Location: Montreal, Quebec

Senior Member

Instead of using post query to display value from Table B, why not using a view that will already contain your data from table A and Table B and base you block on this view instead. this way it will be easy to set the order clause.

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Re: ORDER BY - block property [message #314713 is a reply to message #314687]

Thu, 17 April 2008 10:08

solisdeveloper
Messages: 48
Registered: March 2008
Location: Mexico

Member

Well I'm not quiet sure of your situation but I think you can't sort records from table B based on a field from table A unless they are both included in the same SELECT statement.

Anyway, you can use the following code to programatically set the where condition:

set a DEFAULT_WHERE property, and execute the query like this:

DECLARE
  vWhere VARCHAR2 (2000);
BEGIN
  vWhere := 'employeeid  = ' || :blk_emps.it_empid;
  SET_BLOCK_PROPERTY('BLK_emps, DEFAULT_WHERE,vWhere);
  go_block ('blk_emps');  
  Clear_Block;
  Execute_Query;
END;

Then you can use SET_BLOCK_PROPERTY and modify the ORDER BY clause like this

SET_BLOCK_PROPERTY('BLK_emps, ORDER_BY, 'emphiredate DESC');

Hope that any of these helps.
Regards!

Solis.

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Re: ORDER BY - block property [message #314818 is a reply to message #314676]

Thu, 17 April 2008 20:59

**credo**
Messages: 4
Registered: April 2008

Junior Member

thanks a lot. using a view gave me an idea. since i don't have the priv to create an object in the DB, i tried using a join as my data source. but i'm encountering FRM-40501. i'll just post a new thread for this. again, thanks.

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