Re: CREATE SYNONYM ...
От | Hans-Jürgen Schönig |
---|---|
Тема | Re: CREATE SYNONYM ... |
Дата | |
Msg-id | 440E87C2.7030705@cybertec.at обсуждение исходный текст |
Ответ на | Re: CREATE SYNONYM ... (Alvaro Herrera <alvherre@commandprompt.com>) |
Список | pgsql-patches |
Alvaro Herrera wrote: > Jonah H. Harris wrote: > > >>Now, one may argue that it's incorrect/bad application-design to not use >>fully qualified names, however, there are cases (especially in VERY large >>database applications) where you do not want to use fully qualified naming. >>In PostgreSQL, the alternative to synonyms is to have a monstrous search >>path $user, public, HR, AP, AR, GL, FA, COMMON... Not that we have Oracle >>Applications running on PostgreSQL, but 11i has something like 130+? schemas >>which would be pretty nasty and semi-unprofessional as a search_path rather >>than as something defined similar to synonyms. > > > Well, if you don't want to have a monstrous search path with 130+ > schemas, then you'll have a monstrous amount of synonyms. Given that > schemas are a way to separate the object namespace, it seems more > sensible to me to propagate the user of reasonable search paths than the > use of hundreds (thousands?) of synonyms. > synonyms are easier to handle for an application - adding the search path to an existing application can be too intrusive and error prone. 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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