Ruby OCI8 - bind optional parameters to Oracle Stored procedure

Question

Assuming I have an Oracle stored procedure with the following signature:

CREATE OR REPLACE PROCEDURE "FOO" (p_1  VARCHAR(100),
                                   p_2  VARCHAR(100),
                                   p_opt_1 VARCHAR(100) default null,
                                   p_opt_2 VARCHAR(100) default null) IS
...

how do I bind only the second optional parameter in Ruby script? Using PL/SQL it's something like:

BEGIN
  FOO("p1 val", "p2 val", p_opt_2 => "p2 opt val");
END;

but I haven't found information on how to do a similar thing using OCI8, so for now I'm binding the nil value to the p_opt_1, but it smells bad:

    begin
      cursor = conn.parse('BEGIN foo(:p_1, :p_2, :p_opt1, p_opt2); END;')
      cursor.bind_param(':p_1', 'some string', String)
      cursor.bind_param(':p_2', 'some other string', String)
      cursor.bind_param(':p_opt_1', nil, String)
      cursor.bind_param(':p_opt2_2', 'some value', String)
      cursor.exec
   rescue Exception => e
....

I'm pretty sure there has to be a better way to do it. Can someone point me to it?

Thanks a lot, Michal

Answer 1

cursor = conn.parse('BEGIN foo(:p_1, :p_2, p_opt_2 => :p_opt_2); END;')
cursor.bind_param(:p_1, 'some string', String)
cursor.bind_param(:p_2, 'some other string', String)
cursor.bind_param(:p_opt_2, 'some value', String)
cursor.exec

more simply:

conn.exec('BEGIN foo(:p_1, :p_2, p_opt_2 => :p_opt_2); END;',
          'some string', 'some other string', 'some value')