Log Message:
-----------
Implement IS NOT DISTINCT FROM, update the regression tests and docs.
Patch from Pavel Stehule, minor fixups by myself.
Modified Files:
--------------
pgsql/doc/src/sgml:
func.sgml (r1.297 -> r1.298)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/func.sgml.diff?r1=1.297&r2=1.298)
pgsql/src/backend/parser:
gram.y (r2.516 -> r2.517)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/parser/gram.y.diff?r1=2.516&r2=2.517)
pgsql/src/test/regress/expected:
select_distinct.out (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/expected/select_distinct.out.diff?r1=1.4&r2=1.5)
pgsql/src/test/regress/sql:
select_distinct.sql (r1.4 -> r1.5)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/sql/select_distinct.sql.diff?r1=1.4&r2=1.5)
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TIP 2: Don't 'kill -9' the postmaster
