On Samstag, 7. Juli 2007 Paul Stevens wrote: > > That's why I looked into triggers, and found postgreSQL to have > > rules: CREATE RULE drop_messages_with_mailbox AS ON DELETE TO > > dbmail_messages DO DELETE FROM dbmail_physmessage WHERE id = > > OLD.physmessage_id; > > Evil dude. That's a simple foreign key constraint masking as a rule.
Nobody should use that rule: I found that rule to have the effect of deleting all new arriving e-mail - it just vanishes, although I am not sure why. It arrives via LMTP, and is not in your mailbox. But that rule should only fire on DELETE, so there must be a delete somewhere in the path when a new message is inserted, or postgres has a bug, or whatever. I've tried your trigger now, e-mails still arrive :-) But I tried to delete some users: delete from dbmail_users where user_idnr in (1098,1099,1100); And didn't get any response, so I pressed CTRL-C and it said: Cancel request sent FEHLER: storniere Anfrage wegen Benutzeraufforderung KONTEXT: SQL-Anweisung »delete from dbmail_physmessage where $1 not in (select physmessage_id from dbmail_messages)« PL/pgSQL function "physmessage_gc" line 2 at SQL statement SQL-Anweisung »DELETE FROM ONLY "public"."dbmail_messages" WHERE "physmessage_id" = $1« SQL-Anweisung »delete from dbmail_physmessage where $1 not in (select physmessage_id from dbmail_messages)« PL/pgSQL function "physmessage_gc" line 2 at SQL statement SQL-Anweisung »DELETE FROM ONLY "public"."dbmail_messages" WHERE "mailbox_idnr" = $1« SQL-Anweisung »DELETE FROM ONLY "public"."dbmail_mailboxes" WHERE "owner_idnr" = $1« It's not clear to me where the problem is. mfg zmi -- // Michael Monnerie, Ing.BSc ----- http://it-management.at // Tel: 0676/846 914 666 .network.your.ideas. // PGP Key: "curl -s http://zmi.at/zmi.asc | gpg --import" // Fingerprint: EA39 8918 EDFF 0A68 ACFB 11B7 BA2D 060F 1C6F E6B0 // Keyserver: www.keyserver.net Key-ID: 1C6FE6B0
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