I use a 7.3devel recently build (on a FreeBSD 4.3 box) from CVS sources. I follow all your steps, and psql results :
test_db=> \! cat problem.sql --create new temp tbl1 SELECT losteventid AS eventid INTO tbl1 FROM outages; --create new temp tbl2 SELECT regainedeventid AS eventid INTO tbl2 FROM outages; SELECT eventid FROM tbl1 WHERE eventid NOT IN (SELECT eventid FROM tbl2); test_db=> \i problem.sql SELECT SELECT eventid --------- 119064 119064 60116 16082 16082 16303 16082 92628 92628 60083 (10 rows) "Yon Den Baguse Ngarso" <[EMAIL PROTECTED]> a écrit dans le message de news: [EMAIL PROTECTED] > Oops correction. > ... cut > > myhost=# SELECT eventid FROM tbl1 WHERE eventid NOT IN (SELECT eventid FROM tbl2); > eventid > --------- > (0 rows) > > TIA, > Yon > ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly