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)