protopg - protopg: Rewritting a little bit select statement grammar.

Log Message:
-----------

Rewritting a little bit select statement grammar. Removing duplicating code and
putting it into a separate function. Improving its correctnes.

Modified Files:
--------------
    protopg:
        Makefile (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/Makefile.diff?r1=1.1.1.1&r2=1.2)
        common.c (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/common.c.diff?r1=1.1.1.1&r2=1.2)
        common.h (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/common.h.diff?r1=1.1.1.1&r2=1.2)
        gen_stack.c (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/gen_stack.c.diff?r1=1.1.1.1&r2=1.2)
        gen_stack.h (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/gen_stack.h.diff?r1=1.1.1.1&r2=1.2)
        package_impl.c (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/package_impl.c.diff?r1=1.1.1.1&r2=1.2)
        plsql_block_impl.c (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/plsql_block_impl.c.diff?r1=1.1.1.1&r2=1.2)
        select_impl.c (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/select_impl.c.diff?r1=1.1.1.1&r2=1.2)
        select_impl.h (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/select_impl.h.diff?r1=1.1.1.1&r2=1.2)
        token_tee.c (r1.1.1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/token_tee.c.diff?r1=1.1.1.1&r2=1.2)
    protopg/grammar_parts:
        create_table.part.y (r1.1.1.1 -> r1.2)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/grammar_parts/create_table.part.y.diff?r1=1.1.1.1&r2=1.2)
        select.part.y (r1.1.1.1 -> r1.2)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/protopg/protopg/grammar_parts/select.part.y.diff?r1=1.1.1.1&r2=1.2)