pgbulkload - pgbulkload: Fix direct loader when 1GB or more data loaded.

Log Message:
-----------
Fix direct loader when 1GB or more data loaded.
Add option to handle unique key violation errors; ON_DUPLICATE = ERROR, REMOVE_NEW, or REMOVE_OLD

Modified Files:
--------------
    pgbulkload:
        sample_bin.ctl (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/sample_bin.ctl.diff?r1=1.3&r2=1.4)
        sample_csv.ctl (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/sample_csv.ctl.diff?r1=1.3&r2=1.4)
    pgbulkload/bin:
        pg_bulkload.c (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/pg_bulkload.c.diff?r1=1.8&r2=1.9)
    pgbulkload/bin/data:
        data1.csv (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/data/data1.csv.diff?r1=1.1&r2=1.2)
        data2.csv (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/data/data2.csv.diff?r1=1.1&r2=1.2)
    pgbulkload/bin/expected:
        load_csv.out (r1.1 -> r1.2)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_csv.out.diff?r1=1.1&r2=1.2)
    pgbulkload/bin/pgut:
        pgut.c (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/pgut/pgut.c.diff?r1=1.4&r2=1.5)
        pgut.h (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/pgut/pgut.h.diff?r1=1.3&r2=1.4)
    pgbulkload/bin/sql:
        load_csv.sql (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_csv.sql.diff?r1=1.1&r2=1.2)
    pgbulkload/include:
        pg_btree.h (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/include/pg_btree.h.diff?r1=1.2&r2=1.3)
        pg_bulkload.h (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/include/pg_bulkload.h.diff?r1=1.6&r2=1.7)
        reader.h (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/include/reader.h.diff?r1=1.1&r2=1.2)
        writer.h (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/include/writer.h.diff?r1=1.1&r2=1.2)
    pgbulkload/lib:
        Makefile (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/Makefile.diff?r1=1.5&r2=1.6)
        pg_btree.c (r1.7 -> r1.8)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_btree.c.diff?r1=1.7&r2=1.8)
        pg_bulkload.c (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_bulkload.c.diff?r1=1.8&r2=1.9)
        pg_heap_direct.c (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_heap_direct.c.diff?r1=1.8&r2=1.9)
        pg_input_csv.c (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_input_csv.c.diff?r1=1.5&r2=1.6)
        pg_input_fixed.c (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_input_fixed.c.diff?r1=1.4&r2=1.5)
        reader.c (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/reader.c.diff?r1=1.1&r2=1.2)
        writer.c (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/writer.c.diff?r1=1.1&r2=1.2)