To bind the Variable as being of a literal string value

Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - Prod

PL/SQL Release 10.2.0.5.0 - Production

CORE Production 10.2.0.5.0

AMT for Linux: Version 10.2.0.5.0 - Production

NLSRTL Version 10.2.0.5.0 - Production

Hi there, thank in advance. I have a problem when you create a dynamic statement. The problem is in the binding variable': OLD. CUST_NAME'... my question is is there an escape character to treat the affair as a literal string variable?

{code}

v_str2: = "' client_name =" ' |' | ' || ': OLD. CUST_NAME';

EXECUTE IMMEDIATE 'create or replace trigger trg_.

|| SUBSTR (rec_cur.table_name, 1, 26)

|| "before insert or update or delete on.

|| rec_cur. Owner

|| '.'

|| rec_cur.table_name

|| '

declare

Start

If the UPDATE can

FIFAPPS.ibug.log_errors('||)

v_str2 | »

);

end if;

end;';

{code}

I want the output in a trigger something like this:

{code}

If the UPDATE can

FIFAPPS.ibug.log_errors (' client_name ='|: O LD.) CUST_NAME

);

{code}

Hello

What is the need of business that you are trying to address?  Before writing any kind or trigger and especially before you dynamically create a lot of triggers, see if Oracle provides a better way to meet your needs, for example, audit.

If triggers are really justified, and you are looking for just an easy way to crank out a large number of almost identical triggers right now (not something that end users will do all the time), so I suggest SQL * Plus and the substitution variables.  It will be easier to debug writing and debugging, because you won't have to you not so much worried about quotes and concatenation.  For example, if all the triggers are identical except for the diagram, the table name and column name, you can write a simple script that can be used to create an unlimited number of triggers, like this:

-Trigger_Factory.sql - create trigger standard

DEFINE schema_name = & 1
DEFINE table_name = & 2
DEFINE column_name = & 3

CREATE OR REPLACE TRIGGER trg_ & table_name
BEFORE ON INSERT or UPDATE or DELETE &... schema_name table_name
-' SEO NEW OLD NEW old' is the default, so do not say

-REFERENCING NEW AS NEW OLD O
-In this way, you don't have to worry about the bad OLD spelling.
FOR EACH LINE
BEGIN
IF THE UPDATE CAN
fifapps. IBUG.log_errors (: OLD & column_name);
...

Once you have this course of debugging, you can write another script that calls the script above:

@trigger_factory fifapps t t_column_key

@trigger_factory fifapps u colonne_1

@trigger_factory foo bar column_xyz

Alternatively, instead of manually create a script like the one above, write a query to do it for you:

SELECT '@trigger_factory'

owner

table_name

column_name

From all_tab_columns

WHERE THE...

Tags: Database

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