Re: CREATE TYPE similar CHAR type - Mailing list pgsql-hackers

From David Johnston
Subject Re: CREATE TYPE similar CHAR type
Date
Msg-id 1394123953858-5794981.post@n5.nabble.com
Whole thread Raw
In response to CREATE TYPE similar CHAR type  (Mohsen SM <mohsensoodkhah@gmail.com>)
List pgsql-hackers
mohsencs wrote
> I want use CREATE TYPE to create one type similar to char.
> I want to when I create type, then my type behave similar to char:
> 
> CREATE TABLE test (oneChar char);
> 
> when I want insert one column with length>1 to it, so it gets this error:
> ERROR:  value too long for type character(1)
> 
> I want my type behave similar this but it behaves similar varchar type.

If you can get over the need for using CREATE TYPE you'll find that using
CREATE DOMAIN with a check constraint will probably meet your needs
perfectly.

David J.




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