Re: REPLACE INTO table a la mySQL
От | mlw |
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Тема | Re: REPLACE INTO table a la mySQL |
Дата | |
Msg-id | 3B1D5C8E.5C5DF552@mohawksoft.com обсуждение исходный текст |
Ответ на | REPLACE INTO table a la mySQL ("Dale Johnson" <djohnson@mi.ab.ca>) |
Ответы |
RE: Re: REPLACE INTO table a la mySQL
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Список | pgsql-hackers |
Dale Johnson wrote: > > I know we're not in the business of copying mySQL, > but the REPLACE INTO table (...) values (...) could be > a useful semantic. This is a combination INSERT or > UPDATE statement. For one thing, it is atomic, and > easier to work with at the application level. Also > if the application doesn't care about previous values, > then execution has fewer locking issues and race > conditions. > > comments? > > Dale Johnson I don't know if it is standard SQL, but it will save hundreds of lines of code in applications everywhere. I LOVE the idea. I just finished writing a database merge/update program which could have been made much easier to write with this syntax.
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