pgsql: Migrate the former contrib/txid module into core. - Mailing list pgsql-committers

Log Message:
-----------
Migrate the former contrib/txid module into core.  This will make it easier
for Slony and Skytools to depend on it.  Per discussion.

Modified Files:
--------------
    pgsql/doc/src/sgml:
        datatype.sgml (r1.209 -> r1.210)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/datatype.sgml?r1=1.209&r2=1.210)
        func.sgml (r1.400 -> r1.401)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/func.sgml?r1=1.400&r2=1.401)
    pgsql/src/backend/utils/adt:
        Makefile (r1.67 -> r1.68)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/Makefile?r1=1.67&r2=1.68)
    pgsql/src/include/catalog:
        catversion.h (r1.431 -> r1.432)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/catalog/catversion.h?r1=1.431&r2=1.432)
        pg_proc.h (r1.473 -> r1.474)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/catalog/pg_proc.h?r1=1.473&r2=1.474)
        pg_type.h (r1.188 -> r1.189)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/catalog/pg_type.h?r1=1.188&r2=1.189)
    pgsql/src/include/utils:
        builtins.h (r1.304 -> r1.305)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/builtins.h?r1=1.304&r2=1.305)
    pgsql/src/test/regress:
        parallel_schedule (r1.44 -> r1.45)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/parallel_schedule?r1=1.44&r2=1.45)
        serial_schedule (r1.41 -> r1.42)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/serial_schedule?r1=1.41&r2=1.42)

Added Files:
-----------
    pgsql/src/backend/utils/adt:
        txid.c (r1.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/txid.c?rev=1.1&content-type=text/x-cvsweb-markup)
    pgsql/src/test/regress/expected:
        txid.out (r1.1)

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

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