The following bug has been logged online: Bug reference: 5123 Logged by: Andrey Email address: and...@ulab.ru PostgreSQL version: 8.4.1-x86_64 Operating system: RHEL5-x86_64 Description: bug in window function "last_value" Details:
EXAMPLE: CREATE TABLE t ( id serial NOT NULL, CONSTRAINT pkey_t PRIMARY KEY (id) ) WITH (OIDS=FALSE); INSERT INTO t VALUES(default); INSERT INTO t VALUES(default); INSERT INTO t VALUES(default); select id, first_value(id) over(order by id), last_value(id) over(order by id) from t; RESULT: id | first_value | last_value ----+-------------+------------ 1 | 1 | 1 2 | 1 | 2 3 | 1 | 3 (3 rows) fist_value - good, last_value - bad -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs