Re: Distinct types
От | Peter Eisentraut |
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Тема | Re: Distinct types |
Дата | |
Msg-id | 200811012222.00428.peter_e@gmx.net обсуждение исходный текст |
Ответ на | Re: Distinct types ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>) |
Ответы |
Re: Distinct types
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Список | pgsql-hackers |
On Friday 31 October 2008 17:01:05 Kevin Grittner wrote: > I notice there's no documentation yet. Do you have a reference to a > good description of the feature, consistent with your implementation? Documentation will need to be added, of course, but there isn't really a lot to describe: you create the type and use it. > If not, a couple questions: > > (1) Can you compare a literal of the base type? No, unless you create additional casts or operators. > (2) Can you explicitly cast to the base type? There is an implicit AS ASSIGNMENT cast between the base type and the distinct type in each direction.
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