Log Message:
-----------
Fix wrong week returnded by date_trunc('week') for early dates in
January --- would return wrong year for 2005-01-01 and 2006-01-01.
per report from Robert Creager.
Backpatch to 8.0.X.
Modified Files:
--------------
pgsql/doc/src/sgml:
func.sgml (r1.243 -> r1.244)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/func.sgml.diff?r1=1.243&r2=1.244)
pgsql/src/backend/utils/adt:
timestamp.c (r1.117 -> r1.118)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/timestamp.c.diff?r1=1.117&r2=1.118)