Re: Coercing compound types to use generic ROW comparison operators

"Merlin Moncure" <mmoncure@gmail.com> writes:
> AIUI, the biggest problem with the current behavior is that there is
> no way to usefully index composite types, it looks like

> create index bar_idx on bar(f);
> create index bar_idx on bar((f).*);
> create index bar_idx on bar((f).a, (f).b);

The last case works, you just don't have enough parentheses.

regression=# create type mytype as (a int, b float);
CREATE TYPE
regression=# create table foo(f mytype);
CREATE TABLE
regression=# create index fooi on foo(((f).a), ((f).b));
CREATE INDEX

            regards, tom lane