Re: MySQL search query is not executing in Postgres DB
От | Josh Berkus |
---|---|
Тема | Re: MySQL search query is not executing in Postgres DB |
Дата | |
Msg-id | 50B2ACF5.9010607@agliodbs.com обсуждение исходный текст |
Ответ на | Re: MySQL search query is not executing in Postgres DB (Robert Haas <robertmhaas@gmail.com>) |
Список | pgsql-hackers |
> I'd be fine with that if we had a system that allows users to pick the > behavior that they want in their particular environment, but in fact > our existing system is extremely inflexible. If you start adding > additional implicit casts to the system, you get failures trying to > invoke commonly-used system functions, because we've got overloaded > versions of them precisely to work around the fact that our casting > rules are more restrictive than real-world users want them to be. If > that's not prima facie evidence that the system doesn't work well in > the real world, I'm not sure what would qualify. They don't even work particularly well for db hackers. I went down the rabbit hole of trying to make TEXT = CITEXT be a default cast to CITEXT, and after several days of struggling with breaking system functions, I gave up. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com
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