This question may be Toad specific. I have no idea how Oracle stores views, so I'll explain what happens when I use Toad. If I get an answer that is Oracle specific, so much the better.
I have created a rather complex view. To make it clearer, I have formatted the code nicely, and entered some comments where needed. When I need to make changes to the view, I use Toad's "describe objects" window, where I can find a script to recreate the view. The only problem is that all my formatting is gone. Comments before the select keyword (but after "create view xxx as") will also disappear.
If I enter this script to create a view:
create or replace view TestViewFormatting as
-- Here I have a long comment explaining the role of the
-- view and certain things to be aware of if changing it.
-- Unfortunately this comment will disappear...
select
name, --This comment will be kept
accountnumber --This also
from
debtable
where
name like 'S%';
Toad will display this when I describe it later:
DROP VIEW XXX.TESTVIEWFORMATTING;
/* Formatted on 04.07.2012 09:35:45 (QP5 v5.185.11230.41888) */
CREATE OR REPLACE FORCE VIEW XXX.TESTVIEWFORMATTING
(
NAME,
ACCOUNTNUMBER
)
AS
select name, --This comment will be kept
accountnumber --This also
from debtable
where name like 'S%';
Note that the first comment has disappeared, and that the format is totally different.
I suspect that Oracle doesn't store the code of the view, just some parsed version, and when Toad brings up the script, it reverses this parsed version and generates a script on the fly.
What will I have to do to make Toad/Oracle keep the original formatting?
(PS: I know I can change the settings for Toad's code formatter, but this is not what I want to do. Due to some questionable choices in my past, this particular view has several levels of inline views, and I need a very specific formatting to make it clear what happens)
select text from user_views
where view_name = 'YOUR_VIEW_NAME';
I've tested with:
create view z_v_test as
select
-- te
--st
* from
dual;
and it keeps even the blank line.
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