Re: RULE vs. SEQUENCE
От | Karel Zak |
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Тема | Re: RULE vs. SEQUENCE |
Дата | |
Msg-id | Pine.LNX.3.96.1000904135551.219G-100000@ara.zf.jcu.cz обсуждение исходный текст |
Ответ на | Re: RULE vs. SEQUENCE (Hannu Krosing <hannu@tm.ee>) |
Ответы |
Re: RULE vs. SEQUENCE
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Список | pgsql-hackers |
> > But executor can knows that somethig was already executed, we can mark > > some already executed expressions in rewriter and not execute it again in > > final executor... like: > ... > > > > IMHO this is a good point for 7.2 ... > > But if instead of nextval() you had random(), would you still want to execute > it > only once ? And how should postgres know ? Talking you still about RULEs? ...I don't undestand you. What is a 'NEW' in RULE? I (and probably more users) expect that new data from tuple which go into original table. Right? Not ... if you use sequence. IMHO it's not "feature" but nice bug that crash your data integrity... Karel
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