| From: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> |
|---|---|
| To: | Szima Gábor <sygma(at)tesla(dot)hu> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: RULE does not like the NOT EXISTS condition |
| Date: | 2018-09-08 17:52:19 |
| Message-ID: | 87ftyjswry.fsf@news-spur.riddles.org.uk |
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| Thread: | |
| Lists: | pgsql-hackers |
>>>>> "Andrew" == Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> writes:
>>>>> "Szima" == Szima Gábor <sygma(at)tesla(dot)hu> writes:
Szima> Hi!
Szima> I found an "interest" in RULE's operation:
Andrew> All non-trivial* rules are wrong,
I should of course add: the solution is to use triggers instead, which
are much easier to understand and have very predictable behavior.
--
Andrew (irc:RhodiumToad)
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