Re: Crash on UNION with PG 17

On Wed, Mar 27, 2024 at 11:33:55AM -0400, Regina Obe wrote:
> Our PostGIS bot that follows master branch has been crashing for past couple
> of days on one of our tests
>
> https://trac.osgeo.org/postgis/ticket/5701
>
> I traced the issue down to this commit:
> https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=66c0185a3d14b
> bbf51d0fc9d267093ffec735231
>
>
> The issue can be exercised without postgis installed as follows:
>
>
> CREATE TABLE edge_data AS
> SELECT i AS edge_id, i + 1 AS start_node, i + 2 As end_node
> FROM generate_series(1,10) AS i;
>
> WITH edge AS (
> SELECT start_node, end_node
> FROM edge_data
> WHERE edge_id = 1
> )
> SELECT start_node id FROM edge UNION
> SELECT end_node FROM edge;

I can confirm the crash in git master.

--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com

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