Using Static Named LOV to show images in report

FYI
See http://htmldb.oracle.com/pls/otn/f?p=24317:43
The report query is simply
select object_name,object_type,status
from user_objectsThe STATUS column has its "Display as'" attribute set to "Display as Text (based on LOV, does not save state)". The LOV is a static named lov with the following 2 values
1. Display = < img src="/i/tip.gif" / >, return = VALID
2. Display = < img src="/i/g_can.gif" / >, return = INVALID
In other words, the named LOV is used to do the translation between the column value and the image rendered on the report. I think this is a better technique than using
DECODE(col,'VALID','< IMG ....) in the report SQL, keeps the content and presentation separate, like it should be.
[Not sure if one technique has any performance advantages over the other]
Hope this helps.

Hi Vikas,
Thanks for sharing.
" [Not sure if one technique has any performance advantages over the other]"It seems to me that in your technique it should be simpler to maintain several gif options – editing LOV seems simpler then editing the DECODE parameters list. I'm also thinking about the option of using dynamic LOV for gifs stored in a table.
Regards,
Arie.

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I'm using a named LOV in a tabular form and it works fine.
Trying to use it in a "normal" form gives the error:
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Hi Vikas,
Thanks for sharing.
" [Not sure if one technique has any performance advantages over the other]"It seems to me that in your technique it should be simpler to maintain several gif options – editing LOV seems simpler then editing the DECODE parameters list. I'm also thinking about the option of using dynamic LOV for gifs stored in a table.
Regards,
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Error when using named LOV

This is for Apex 4.0.2.
I wonder if anybody else has come across this issue: after creating a named LOV in Shared Components and using the LOV on an item, I get this error:
ORA-20001: Error fetching column value: ORA-20001: Query must begin with SELECT or WITHIt doesn't really matter which item type I choose:
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Forgot to add: I have a lot of named LOV's without problems. It's just when using cg_ref_codes that this occurs (Oracle Designer users will recognize this table :-) )
But even when using cg_ref_codes, it doesn't happen every time. Some LOV's based on cg_ref_codes do work.
Edited by: InoL on May 10, 2011 10:33 AM

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