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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