Re: uuids with btree_gist

On Tue, Sep 3, 2013 at 1:41 PM, Martin Renters <martin(at)datafax(dot)com> wrote:

> I'm trying to use timestamp ranges to keep track of the values particular
> items had over time, but I'm unable to create a table as follows:
>
> test=# create extension btree_gist;
> CREATE EXTENSION
> test=# create table v(item uuid, lifetime tstzrange, value text,
> test(# exclude using gist (item with =, lifetime with &&));
> ERROR: data type uuid has no default operator class for access method
> "gist"
> HINT: You must specify an operator class for the index or define a
> default operator class for the data type.
> test=#
>
> It works fine if I make item a text field.
>
> test=# create table v(item text, lifetime tstzrange, value text,
> test(# exclude using gist (item with =, lifetime with &&));
> CREATE TABLE
> test=#
>
> Is there any reason that the required uuid access method isn't
> implemented? How hard is it to implement this?
>

I would also like to see btree_gist support uuid's.

I found a related thread from two years ago:
http://postgresql.1045698.n5.nabble.com/UUID-datatype-GiST-index-support-td4722960.html