Log Message:
-----------
Support assignment to whole-row variables in plpgsql; also fix glitch
with using a trigger's NEW or OLD record as a whole-row variable in an
expression. Fixes several long-standing complaints.
Modified Files:
--------------
pgsql-server/src/pl/plpgsql/src:
gram.y (r1.55 -> r1.56)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/pl/plpgsql/src/gram.y.diff?r1=1.55&r2=1.56)
pl_exec.c (r1.103 -> r1.104)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/pl/plpgsql/src/pl_exec.c.diff?r1=1.103&r2=1.104)