plproxy - plproxy: New SPLIT statement.

Log Message:
-----------
New SPLIT statement.

It will split incoming array(s) into per-partition arrays.

Roughly based on design here:

  http://lists.pgfoundry.org/pipermail/plproxy-users/2008-June/000093.html

Written by Martin Pihlak

Modified Files:
--------------
    plproxy:
        Makefile (r1.38 -> r1.39)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/Makefile?r1=1.38&r2=1.39)
    plproxy/doc:
        syntax.txt (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/doc/syntax.txt?r1=1.8&r2=1.9)
        todo.txt (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/doc/todo.txt?r1=1.9&r2=1.10)
    plproxy/src:
        cluster.c (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/src/cluster.c?r1=1.8&r2=1.9)
        execute.c (r1.18 -> r1.19)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/src/execute.c?r1=1.18&r2=1.19)
        function.c (r1.7 -> r1.8)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/src/function.c?r1=1.7&r2=1.8)
        main.c (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/src/main.c?r1=1.5&r2=1.6)
        parser.y (r1.15 -> r1.16)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/src/parser.y?r1=1.15&r2=1.16)
        plproxy.h (r1.16 -> r1.17)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/src/plproxy.h?r1=1.16&r2=1.17)
        query.c (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/src/query.c?r1=1.8&r2=1.9)
        scanner.l (r1.15 -> r1.16)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/src/scanner.l?r1=1.15&r2=1.16)
        type.c (r1.7 -> r1.8)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/src/type.c?r1=1.7&r2=1.8)

Added Files:
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    plproxy/expected:
        plproxy_split.out (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/expected/plproxy_split.out?rev=1.1&content-type=text/x-cvsweb-markup)
    plproxy/sql:
        plproxy_split.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plproxy/plproxy/sql/plproxy_split.sql?rev=1.1&content-type=text/x-cvsweb-markup)