On 6/28/2015 10:08 PM, Shujie Shang wrote:
create type info as (id int, name text);
 you can't create an index on a type, just on a table.
     create table info (id serial primary key, name text);
 or
     create table info (id serial, name text);
     alter table info add primary key(id);
 or more generically,
     create index on some_table ( some_field[,...] ) ;
 (a primary key is a unique not null constraint, this implies an index in postgresql)
-- 
john r pierce, recycling bits in santa cruz