Re: unique index doesn't accept functions on fields - Mailing list pgsql-hackers

Domingo Alvarez Duarte wrote:

> I'm trying create a unique index using more than one field and
> applying a function in one field to achieve case insensitive
> uniqueness but postgresql doesn't accept.
> 
> create table a(
>   id int primary key,
>   id2 int not null,
>   name varchar(50),
>   unique(id2, lower(name))
>   );

Have you tried to just CREATE TABLE and later CREATE INDEX UNIQUE
USING... ?

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Alessio F. Bragadini        alessio@albourne.com
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