Re: Alias to a type
От | KÖPFERL Robert |
---|---|
Тема | Re: Alias to a type |
Дата | |
Msg-id | ED4E30DD9C43D5118DFB00508BBBA76EB1678C@neptun.sonorys.at обсуждение исходный текст |
Ответ на | Alias to a type (Veikko Mäkinen <veikko.makinen@ecom.fi>) |
Список | pgsql-sql |
Keep in mind, though. Using a DOMAIN in some definition 'seals' the domain. Yo can't change the domain unless you drop all dependent objects |-----Original Message----- |From: Veikko Mäkinen [mailto:veikko.makinen@ecom.fi] |Sent: Mittwoch, 22. Juni 2005 15:14 |To: pgsql-sql@postgresql.org |Subject: Re: [SQL] Alias to a type | | |Richard Huxton wrote: |> Veikko Mäkinen wrote: |> |>> Hey, |>> |>> Is it possible to create a new type as an alias to a |pre-defined type? |>> I use "USERID varchar(20)" in almost every table I have I'd like to |>> make an alias for that type eg. |> |> |> CREATE DOMAIN username_string AS varchar(20); |> |> Test it with your client applications though, make sure they |cope. Some |> don't cope well with user-defined types. | | |Splendid, thank you all :) I'm quite sure loosely typed PHP can cope |with my user-defined types ;) | |But now I need a better modeling tool because Azzurri Clay 1.1 |(Eclipse |plug-in) doesn't let me define new types... Any suggestions? SQL DDL |generation is the only demand I really have. | | |-veikko | | |---------------------------(end of |broadcast)--------------------------- |TIP 3: if posting/reading through Usenet, please send an appropriate | subscribe-nomail command to majordomo@postgresql.org so |that your | message can get through to the mailing list cleanly |
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