The pl/sql block gets submitted for execution only after the variables get
replaced with their values.
So for different values you are submitting different code.
What is wrong in moving the different actions to inside the if/then/else
clause?
Waleed
-----Original Message-----
Sent: Friday, December 06, 2002 12:05 PM
To: Multiple recipients of list ORACLE-L
OK so I've opened an Enhancement Request on this . . . and in the meantime I
discovered that I CAN use SQL*Plus substition variables!
The following DOES work:
**************************************************
accept i_label prompt 'Enter CR '
declare
v_cr number := &&i_label;
v_crlabel varchar2(30) := 'CR' || to_char(v_cr);
begin
dbms_output.put_line (v_crlabel);
if v_cr = 50 then
goto CR&&i_label;
else
goto endrun;
end if;
<<CR50>>
dbms_output.put_line('Successfully went to CR50');
<<ENDRUN>>
NULL;
dbms_output.put_line('Went to END');
end;
/
-----Original Message-----
Sent: Friday, December 06, 2002 11:42 AM
To: '[EMAIL PROTECTED]'
Cc: '[EMAIL PROTECTED]'
Bill,
Sadly, I don't think this is possible. The PL/SQL compiler is just not that
dynamic.
Pretty cooleo idea, though.
Tom Mercadante
Oracle Certified Professional
-----Original Message-----
Sent: Friday, December 06, 2002 11:19 AM
To: Multiple recipients of list ORACLE-L
Good day, all:
I'm writing a script where the user can specify at run-time if they want to
run the entire script or just one numbered piece. One way I thought of
implementing this is pasted below, but the line "goto v_crlabel" is not
recognized - evidently the PL/SQL engine is not substituting in the value
for the variable.
Does anyone know if this is possible? If not, I can just prefix each block
by an if..then statement to test for the value in v_cr . . . but I thought
it could be cool to try it this way.
Thanks
bill
***************************************************************
accept i_cr prompt 'Enter CR to run: '
declare
v_cr number := &&i_cr;
v_crlabel varchar2(30) := 'CR' || to_char(v_cr);
begin
if v_cr is not null then
goto v_crlabel;
else
goto endrun;
end if;
<<CR5>>
dbms_output.put_line('Successfully went to CR5');
goto endrun;
<<CR6>>
dbms_output.put_line('Successfully went to CR6');
goto endrun;
<<CR7>>
dbms_output.put_line('Successfully went to CR7');
goto endrun;
<<ENDRUN>>
NULL;
dbms_output.put_line('Went to ENDRUN');
end;
/
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