Re: create index on a field of udt - Mailing list pgsql-general

From John R Pierce
Subject Re: create index on a field of udt
Date
Msg-id 5590DCC6.1040100@hogranch.com
Whole thread Raw
In response to Re: create index on a field of udt  (Shujie Shang <sshang@pivotal.io>)
Responses Re: create index on a field of udt
List pgsql-general
On 6/28/2015 10:31 PM, Shujie Shang wrote:
Oh, I didn't explain my question well, actually I want to create an index on an udt in a table.

e.g.
create type info as (id int, name text);
creat table test (i info);
I want to run:
create index myindex on test (i.id)

    create table test of info primary key(id);

or, if you want to use your type plus other stuff in the table, I believe its something like...

    create table test (i info, stuff...) primary key (i.id)
or
    create index test(i.id);


watch out for ambiguity if the type names match the table or field name.  see http://www.postgresql.org/docs/current/static/rowtypes.html#AEN7836

-- 
john r pierce, recycling bits in santa cruz

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