RE: Quick (hopefully) pl/sql cursor question

Thanks!

To be clear, procedure3a has 2 cursor ‘definitions’ in the declaration section. My tabs didn’t work for spacing last time. I apologize if that happens again.

Procedure 3a is

Cursor c1 is select ….
Cursor c2 is select….

Begin

   For x in c1 loop

      Declare
           -set some constants
      Begin
           For y in c2 loop
           Do some stuff
       End loop;

Would c2 still be initialized at the start of the ‘For y’ loop?? I think so but want to confirm.

Thanks again,
-joe

From: Jacek Gębal <jgebal_at_gmail.com> Sent: Friday, September 27, 2019 12:32 PM To: Sweetser, Joe <JSweetser_at_icat.com> Cc: oracle-l <oracle-l_at_freelists.org> Subject: Re: Quick (hopefully) pl/sql cursor question

If the cursor is implicit in procedure3a like:

FOR x IN (SELECT * FROM DUAL) LOOP
  --do some stuff here
  NULL;
END LOOP; The cursor is initialized when the PLSQL engine goes into FOR ...LOOP statement.

Cheers,
Jacek

On Fri, 27 Sep 2019 at 18:27, Sweetser, Joe <JSweetser_at_icat.com<mailto:JSweetser_at_icat.com>> wrote: Greetings,

Does anyone know exactly when an explicit cursor is initialized in pl/sql? I understand I may need to supply more info, but I am no pl/sql wizard and don't know exactly what info is needed.

I have a package with multiple procedures. One those procedures contains additional procedures. And one of those additional procedures has some cursors. Sorta like this:

Package
- procedure1

• procedure2
• procedure3
• procedure3a
• cursor 1
• cursor 2

Would the cursors be initialized when procedure3 is called or when procedure3a is called? I would guess procedure3a but the developer is seeing some weirdness where it looks like it's when procedure3 is called.

There is no explicit "open cursor" call. It is used in a for loop, so I think oracle opens it automagically. But, again, I am trying to determine the initialization. When is the cursor loaded with data?

Any/all ideas/suggestions welcome.

Thanks,
-joe

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http://www.freelists.org/webpage/oracle-l Received on Fri Sep 27 2019 - 20:52:42 CEST