[Pgpool-committers] pgpool - pgpool-II: Fix possible crash during rewriting JOIN syntax that

[User Kitagawa]

Log Message:
-----------
Fix possible crash during rewriting JOIN syntax that have USING
in parallel query mode.

This fix is supporting such as following JOIN syntax.

example:
- SELECT * FROM a JOIN b USING (aid) JOIN c USING (cid);
- SELECT * FROM a JOIN b USING (aid) JOIN c USING (cid) JOIN d USING (did);
etc.

Modified Files:
--------------
    pgpool-II:
        pool_rewrite_outfuncs.c (r1.22 -> r1.23)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_rewrite_outfuncs.c?r1=1.22&r2=1.23)