How to check if a value exists in a column

Hello Experts,

version: 10.1.0.5

I am a novice in pl/sql programming. I am trying to create a procedure that checks if a value exists in a column and if it is not it inserts. Here's the procedure and errors,

SQL > CREATE OR REPLACE PACKAGE BODY manr.audit_pkg

2 PROCEDURE audit_proc (number of p_sessionid, p_username VARCHAR2, date of the p_date) IS

3 BEGIN

4 If p_sessionid not in (select manr.audit_history sessionid)

5. can

6 INSERT INTO manr.audit_history VALUES (p_sessionid, p_username, p_date);

7 validation;

8 end if;

9 END;

10 END audit_pkg;

11.

WARNING: The body of a Package created with compilation errors.

SQL > show error

PACKAGE BODY HÉLÈNE errors. AUDIT_PKG:

LINE/COL ERROR

-------- -----------------------------------------------------------------

4/1 PL/SQL: statement ignored

4/22 PLS-00405: subquery not allowed in this context

Could you please tell me where I'm wrong. Thanks for your help.

Rocky

Hello

If p_sessionid not in (select manr.audit_history sessionid)

Try:

.....

Select count (*) in the v_sessionid of manr.audit_history

where sessionid = p_sessionid;

If v_sessionid > 0 then

.....

on the other

....

end if;

Ziut

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        app.alert("Processing error: "+e)
    }
}

    The function I call is a folder level javascript.   You have to maybe do some Googleing on how and where to install them.   In the my file .js file real javascript level where the function is housed I use:

    var MJS_FileExists = app.trustedFunction(function(filename) {
    app.beginPriv();
    var existingDoc = false;
    try {
         var checkDoc = app.openDoc(filename);
         checkDoc.closeDoc();
     existingDoc = true;
    } catch(e) {
     existingDoc = false;
    }
    return existingDoc;
    app.endPriv();
});

    It took me a lot of trial and error.  It sucks there is not a lot of in on the internet on how to do it via Acrobat / Live Cycle.   Hope this helps someone else.

  • How to check an ascii value of the character in the string

    Hi all
    I have a string that contain alphanumeric values.
    I want only numeric values in this string.
    FRO this purpose.
    I created a varry
    TYPE tab IS VARRAY(10) OF VARCHAR2(10) ;
   var tab
    ;
    variable var of type varray contain this string

    and now I want to check each character in this string at end of validation

    How can I check this particular string

    can I use loop?

    Hello

    If str is a string, then

    REGEXP_LIKE ( str
            , '^[[:digit:]]+$'
            )

    Returns TRUE if and only if str contains digits (0 ith 9) and nothing else.
    Here's a way you can use REGEXP_LIKE in PL/SQL:

    SET     SERVEROUTPUT     ON

DECLARE
    str          VARCHAR2 (10)     := '123.4';
BEGIN
    IF  REGEXP_LIKE ( str
                  , '^[[:digit:]]+$'
              )
    THEN
     dbms_output.put_line (  str
                    || ' is all digits.'
                    );
    ELSE
     dbms_output.put_line (  str
                    || ' contains something besides digits, or is NULL'
                    );
    END IF;
END;
/

    Published by: Frank Kulash, December 12, 2011 09:13
    Added PL/SQL example

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