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@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

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