Re: Is there anyway to get blank lines to display in the dbms output window?

Toad for Oracle
1

By default, if you just execute SET SERVEROUTPUT ON, it defaults to FORMAT WORD_WRAPPED. That setting suppresses all blank lines.

Issue SET SERVEROUTPUT ON FORMAT TRUNCATE or SET SERVEROUTPUT ON FORMAT WRAPPED and you will get what you want:

** SQL> set serveroutput on

SQL> create or replace procedure dbmsoutput_test as

2  begin

3      dbms_output.put_line('a');

4      dbms_output.put_line(null);

5      dbms_output.put_line('b');

6  end;

7 /**

Procedure created.

** SQL>

SQL> exec dbmsoutput_test;

a

b**

PL/SQL procedure successfully completed.

** SQL>

SQL>

SQL> set serveroutput on tru

Usage: SET SERVEROUTPUT { ON | OFF } [SIZE {n | UNL[IMITED]}]

           [ FOR[MAT] { WRA[PPED] | WOR[D_WRAPPED] | TRU[NCATED] } ]

SQL> set serveroutput on format tru

SQL> exec dbmsoutput_test;

a

b**

PL/SQL procedure successfully completed.

** SQL> set serveroutput on format wra

SQL> exec dbmsoutput_test;

a

b**

PL/SQL procedure successfully completed.

** SQL> set serveroutput on format wor

SQL> exec dbmsoutput_test;

a

b**

PL/SQL procedure successfully completed.

** SQL>
**

Stephen Miller - email: miller_stephen at usa.net

------ Original Message ------

Received: 09:52 AM EST, 02/12/2014

From: "Michael Staszewski" bounce-mstaszew@toadworld.com

To: toadoracle@toadworld.com

Subject: Re: [Toad for Oracle - Discussion Forum] Is there anyway to get blank lines to display in the dbms output window?

Re: Is there anyway to get blank lines to display in the dbms_output window?

Reply by Michael Staszewski
Null is not a character. There is nothing to display when you write that to output.

      Try this in SQL*Plus and you'll see the same.



      create or replace procedure dbmsoutput_test as

      begin

          dbms_output.put_line('a');

          dbms_output.put_line(null);

          dbms_output.put_line('b');

      end;

      /



      exec dbmsoutput_test;





        On 02/12/2014 01:28 AM, sdstuber wrote:

RE: Is there anyway to get blank lines to display in the dbms_output window?

Reply by sdstuber
I know I can stick "invisible" dummy values but what I'm looking for is output that reflects what my code actually did.

If I run the block above it seems reasonable that I would get 2 lines consisting of nothing but the end-of-line delimiter but I don't.

Let's make it a little more real. Let's say I'm looping through a cursor of a single column and outputing the values. Some rows have null.

If my cursor iterates through 15 rows with 4 nulls I'll only get 11 rows of output even though the code called put_line 15 times.

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