Re: synonym
От | Bruce Momjian |
---|---|
Тема | Re: synonym |
Дата | |
Msg-id | 200712170210.lBH2AUJ11224@momjian.us обсуждение исходный текст |
Ответ на | Re: synonym ("Medi Montaseri" <montaseri@gmail.com>) |
Список | pgsql-admin |
Medi Montaseri wrote: > PostgreSQL does not support SYNOSYM or ALIAS. Synonym is a non SQL 2003 > feature implemented by Microsoft SQL 2005 (I think). While it does provide > an interesting abstraction, but due to lack of relational integrity, it can > be considered a risk. > > That is, you can create a synonym, advertise it to you programmers, the code > is written around it, including stored procedures, then one day the backend > of this synonym (or link or pointer) is changed/deleted/etc leading to a run > time error. I don't even think a prepare would catch that. > > It is the same trap as the symbolic links in unix and null pointers in > C/C++. It is on the TODO: * Add support for public SYNONYMs http://archives.postgresql.org/pgsql-hackers/2006-03/msg00519.php -- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB http://postgres.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
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