pgsql: Allow PL/python to return composite types and result sets Sven

Log Message:
-----------
Allow PL/python to return composite types and result sets

Sven Suursoho

Modified Files:
--------------
    pgsql/doc/src/sgml:
        plpython.sgml (r1.30 -> r1.31)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/plpython.sgml.diff?r1=1.30&r2=1.31)
    pgsql/src/pl/plpython:
        plpython.c (r1.86 -> r1.87)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpython/plpython.c.diff?r1=1.86&r2=1.87)
    pgsql/src/pl/plpython/expected:
        plpython_function.out (r1.8 -> r1.9)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpython/expected/plpython_function.out.diff?r1=1.8&r2=1.9)
        plpython_schema.out (r1.2 -> r1.3)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpython/expected/plpython_schema.out.diff?r1=1.2&r2=1.3)
        plpython_test.out (r1.4 -> r1.5)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpython/expected/plpython_test.out.diff?r1=1.4&r2=1.5)
    pgsql/src/pl/plpython/sql:
        plpython_function.sql (r1.8 -> r1.9)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpython/sql/plpython_function.sql.diff?r1=1.8&r2=1.9)
        plpython_schema.sql (r1.2 -> r1.3)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpython/sql/plpython_schema.sql.diff?r1=1.2&r2=1.3)
        plpython_test.sql (r1.2 -> r1.3)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpython/sql/plpython_test.sql.diff?r1=1.2&r2=1.3)