bizgres - bizgres: Bring resource queue code up-to-date: - Move resource

Log Message:
-----------
Bring resource queue code up-to-date:
- Move resource lock taking location to PortalStart
- Simplify cursor handling code as a result
- Cleanup code to handle overcommit abort correctly
- Add internal view pg_resqueue_status
- Add statistics monitoring infrastructure and view pg_stat_resqueues

Modified Files:
--------------
bizgres/postgresql/src/backend/catalog:
system_views.sql (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/catalog/system_views.sql.diff?r1=1.3&r2=1.4)
bizgres/postgresql/src/backend/postmaster:
pgstat.c (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/postmaster/pgstat.c.diff?r1=1.3&r2=1.4)
bizgres/postgresql/src/backend/storage/lmgr:
proc.c (r1.8 -> r1.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/storage/lmgr/proc.c.diff?r1=1.8&r2=1.9)
bizgres/postgresql/src/backend/tcop:
postgres.c (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/tcop/postgres.c.diff?r1=1.5&r2=1.6)
pquery.c (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/tcop/pquery.c.diff?r1=1.4&r2=1.5)
bizgres/postgresql/src/backend/utils/adt:
pgstatfuncs.c (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/utils/adt/pgstatfuncs.c.diff?r1=1.3&r2=1.4)
bizgres/postgresql/src/backend/utils/misc:
guc.c (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/utils/misc/guc.c.diff?r1=1.6&r2=1.7)
postgresql.conf.sample (r1.7 -> r1.8)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/utils/misc/postgresql.conf.sample.diff?r1=1.7&r2=1.8)
bizgres/postgresql/src/backend/utils/mmgr:
portalmem.c (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/utils/mmgr/portalmem.c.diff?r1=1.4&r2=1.5)
bizgres/postgresql/src/backend/utils/resscheduler:
resqueue.c (r1.12 -> r1.13)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/utils/resscheduler/resqueue.c.diff?r1=1.12&r2=1.13)
resscheduler.c (r1.11 -> r1.12)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/backend/utils/resscheduler/resscheduler.c.diff?r1=1.11&r2=1.12)
bizgres/postgresql/src/include:
pgstat.h (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/pgstat.h.diff?r1=1.2&r2=1.3)
bizgres/postgresql/src/include/catalog:
pg_proc.h (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/catalog/pg_proc.h.diff?r1=1.5&r2=1.6)
bizgres/postgresql/src/include/utils:
builtins.h (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/utils/builtins.h.diff?r1=1.4&r2=1.5)
portal.h (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/utils/portal.h.diff?r1=1.4&r2=1.5)
resscheduler.h (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/bizgres/bizgres/postgresql/src/include/utils/resscheduler.h.diff?r1=1.9&r2=1.10)