Re: CREATE SYNONYM ...
От | Hans-Jürgen Schönig |
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Тема | Re: CREATE SYNONYM ... |
Дата | |
Msg-id | 440E828A.5060604@cybertec.at обсуждение исходный текст |
Ответ на | Re: CREATE SYNONYM ... (Stephan Szabo <sszabo@megazone.bigpanda.com>) |
Ответы |
Re: CREATE SYNONYM ...
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Список | pgsql-patches |
Stephan Szabo wrote: > On Tue, 7 Mar 2006, Jonah H. Harris wrote: > > >>On 3/7/06, Stephan Szabo <sszabo@megazone.bigpanda.com> wrote: >> >>>I'd personally be more interested in what the impact is on people not >>>using synonyms. How free is any search for synonyms if you aren't using >>>the feature? >> >> >>Unless synonym enablement were a configurable parameter (which wouldn't >>really make sense), the cost would be the same whether they're used or not >>during searching. > > > Right, but the response was that "using" synonyms incurred a cost and this > should be documented. However, if there's a cost to people not using > synonyms there's a higher barrier to entry for the feature. > the costs will only be added if the "real table" is not found. therefore there is no impact on "normal" users. again, the most important benefit is not 0.001% more speed but the possibility to port from other databases easier and to treat legacy problems. here at cybertec we are facing more and more problems with legacy databases and porting "crap" every day. many thanks and best regards, hans -- Cybertec Geschwinde & Schönig GmbH Schöngrabern 134; A-2020 Hollabrunn Tel: +43/1/205 10 35 / 340 www.postgresql.at, www.cybertec.at
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