Re: GiST index question

On Thu, Sep 4, 2014 at 8:35 AM, Eric Fleming <efleming@gmail.com> wrote:
> I have a table that I have defined as:
>
> CREATE TABLE test (
> "id" SERIAL PRIMARY KEY,
> "first_path" path NOT NULL,
> "second_path" path NOT NULL
> );
>
> I am attempting to create a GiST index on the two "path" columns using:
>
> CREATE INDEX  "idx_test_first_path" ON test USING gist(first_path);
> CREATE INDEX  "idx_test_second_path" ON test USING gist(second_path);
>
> I am getting this error:
>
> Error : ERROR:  data type path has no default operator class for access
> method "gist"
>
> Is it that I am not allowed to create an index on the path data type or do I
> need to enable an extension for this to work? Thanks in advance for your
> help.

In-core contrib modules (and core) do not have yet support for gist
operator classes for the datatype path as far as I recall.
Regards,
--
Michael


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