Обсуждение: pgsql: Add test case for CREATE CAST.

Log Message:
-----------
Add test case for CREATE CAST.

Modified Files:
--------------
    pgsql/src/test/regress:
        parallel_schedule (r1.49 -> r1.50)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/parallel_schedule?r1=1.49&r2=1.50)
        serial_schedule (r1.46 -> r1.47)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/serial_schedule?r1=1.46&r2=1.47)

Added Files:
-----------
    pgsql/src/test/regress/expected:
        create_cast.out (r1.1)

(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/expected/create_cast.out?rev=1.1&content-type=text/x-cvsweb-markup)
    pgsql/src/test/regress/sql:
        create_cast.sql (r1.1)

(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/sql/create_cast.sql?rev=1.1&content-type=text/x-cvsweb-markup)