I have a problem with postgresql tables. periodicaly, I would say frequently about 5-10 time per hour i have such errors in my server log file: 2004-04-14 12:23:32 [73692] ERROR: cache lookup of relation 149064743 failed 2004-04-14 12:23:32 [73692] ERROR: Relation "tmp_table1" does not exist 2004-04-14 12:23:32 [73692] ERROR: Relation "tmp_table1" does not exist So turn on debugging options and have that's what i got: 2004-04-14 12:24:54 [74021] LOG: connection received: host=[local] 2004-04-14 12:24:54 [74021] LOG: connection authorized: user=ejob_guest database=ejob 2004-04-14 12:24:54 [74021] LOG: query: begin; select getdatabaseencoding(); commit 2004-04-14 12:24:54 [74021] LOG: duration: 0.000987 sec 2004-04-14 12:24:54 [74021] LOG: query: SELECT d.config_id, d.text1 as text, d.field_name, 2004-04-14 12:24:54 [74021] LOG: duration: 0.005295 sec 2004-04-14 12:24:54 [74021] LOG: query: CREATE TEMP TABLE tmp_table1 AS SELECT advert.id, (SELECT employer.fullname FROM employer WHERE advert.empid=employer.id) as emp_name, (CASE WHEN advert.status1 = 'A' THEN advert.postname1 ELSE advert.postname2 END) as postname, (SELECT cd.name FROM catalog_names cd WHERE advert.industry=cd.catalog_id AND cd.language_id=1) AS f1002, (CASE WHEN status1='A' THEN advert.obligations1 ELSE advert.obligations2 END) as obligations1 FROM good_adv as advert 2004-04-14 12:24:54 [74021] ERROR: cache lookup of relation 165058647 failed 2004-04-14 12:24:54 [74021] LOG: query: SELECT * FROM tmp_table1 2004-04-14 12:24:54 [74021] ERROR: Relation "tmp_table1" does not exist 2004-04-14 12:24:54 [74021] LOG: query: SELECT * FROM tmp_table1 ORDER BY id desc LIMIT 100 2004-04-14 12:24:54 [74021] ERROR: Relation "tmp_table1" does not exist Does anybody have any idea about what can cause such kind of problems and how to overcome it ? Thanks a lot. ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html