pgsql: Joachim fixed some bugs in numeric handling in pgtypeslib.

Log Message:
-----------
Joachim fixed some bugs in numeric handling in pgtypeslib.
Fixed and cleaned up some regression tests. Also added a new one.

Modified Files:
--------------
pgsql/src/interfaces/ecpg:
ChangeLog (r1.317 -> r1.318)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ChangeLog.diff?r1=1.317&r2=1.318)
pgsql/src/interfaces/ecpg/pgtypeslib:
numeric.c (r1.27 -> r1.28)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/pgtypeslib/numeric.c.diff?r1=1.27&r2=1.28)
pgsql/src/interfaces/ecpg/test/compat_informix:
test_informix.pgc (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/compat_informix/test_informix.pgc.diff?r1=1.2&r2=1.3)
pgsql/src/interfaces/ecpg/test/expected:
compat_informix-test_informix.c (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/compat_informix-test_informix.c.diff?r1=1.2&r2=1.3)
compat_informix-test_informix.stderr (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/compat_informix-test_informix.stderr.diff?r1=1.2&r2=1.3)
compat_informix-test_informix.stdout (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/compat_informix-test_informix.stdout.diff?r1=1.2&r2=1.3)
pgtypeslib-dt_test.c (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/pgtypeslib-dt_test.c.diff?r1=1.3&r2=1.4)
pgtypeslib-dt_test.stderr (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/pgtypeslib-dt_test.stderr.diff?r1=1.2&r2=1.3)
pgtypeslib-dt_test.stdout (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/pgtypeslib-dt_test.stdout.diff?r1=1.2&r2=1.3)
pgtypeslib-num_test.c (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/pgtypeslib-num_test.c.diff?r1=1.2&r2=1.3)
pgtypeslib-num_test.stderr (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/pgtypeslib-num_test.stderr.diff?r1=1.2&r2=1.3)
pgtypeslib-num_test.stdout (r1.1 -> r1.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/pgtypeslib-num_test.stdout.diff?r1=1.1&r2=1.2)
sql-dyntest2.c (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-dyntest2.c.diff?r1=1.2&r2=1.3)
sql-dyntest2.stderr (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-dyntest2.stderr.diff?r1=1.2&r2=1.3)
sql-dyntest2.stdout (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-dyntest2.stdout.diff?r1=1.2&r2=1.3)
pgsql/src/interfaces/ecpg/test/pgtypeslib:
Makefile (r1.1 -> r1.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/pgtypeslib/Makefile.diff?r1=1.1&r2=1.2)
dt_test.pgc (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/pgtypeslib/dt_test.pgc.diff?r1=1.3&r2=1.4)
num_test.pgc (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/pgtypeslib/num_test.pgc.diff?r1=1.2&r2=1.3)
pgsql/src/interfaces/ecpg/test/sql:
dyntest2.pgc (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/sql/dyntest2.pgc.diff?r1=1.2&r2=1.3)

Added Files:
-----------
pgsql/src/interfaces/ecpg/test/expected:
pgtypeslib-num_test2.c (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/pgtypeslib-num_test2.c?rev=1.1&content-type=text/x-cvsweb-markup)
pgtypeslib-num_test2.stderr (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/pgtypeslib-num_test2.stderr?rev=1.1&content-type=text/x-cvsweb-markup)
pgtypeslib-num_test2.stdout (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/pgtypeslib-num_test2.stdout?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/src/interfaces/ecpg/test/pgtypeslib:
num_test2.pgc (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/pgtypeslib/num_test2.pgc?rev=1.1&content-type=text/x-cvsweb-markup)