Re: any way for ORDER BY x to imply NULLS FIRST in 8.3?
От | Martijn van Oosterhout |
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Тема | Re: any way for ORDER BY x to imply NULLS FIRST in 8.3? |
Дата | |
Msg-id | 20071107150533.GC26157@svana.org обсуждение исходный текст |
Ответ на | Re: any way for ORDER BY x to imply NULLS FIRST in 8.3? (Simon Riggs <simon@2ndquadrant.com>) |
Ответы |
Re: any way for ORDER BY x to imply NULLS FIRST in 8.3?
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Список | pgsql-general |
On Wed, Nov 07, 2007 at 02:37:41PM +0000, Simon Riggs wrote: > Editing an application, you would be required to add the words NULLS > FIRST to every single ORDER BY and every single CREATE INDEX in an > application. If we know that is what people would do, why not have one > parameter to do this for them? I find it hard to beleive that every single query in an application depends on the ordering of NULLs. In fact, I don't think I've even written a query that depended on a particular way of sorting NULLs. Is it really that big a deal? > Implement SQLServer and MySQL behaviour? Now we're talking about > hundreds of new applications that might decide to migrate/support > PostgreSQL because of our flexibility in being able to support both > kinds of sorting. TBH I think long term is should be attached to each column, as it is a property of the collation (my COLLATE patch let you specify it per column). Have a nice day, -- Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/ > Those who make peaceful revolution impossible will make violent revolution inevitable. > -- John F Kennedy
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