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From: PG Bug reporting form <noreply@postgresql.org>
To: pgsql-bugs@lists.postgresql.org
Cc: exclusion@gmail.com
Subject: BUG #19637: pg_event_trigger_ddl_commands can't process GRANT ON PROPERTY GRAPH
Date: Sun, 23 Aug 2026 11:00:01 +0000
Message-ID: <19637-4446f72945492ed8@postgresql.org> (raw)

The following bug has been logged on the website:

Bug reference:      19637
Logged by:          Alexander Lakhin
Email address:      exclusion@gmail.com
PostgreSQL version: 19beta3
Operating system:   Ubuntu 24.04
Description:        

The following script:
CREATE OR REPLACE FUNCTION event_trigger_report_end()
 RETURNS event_trigger
 LANGUAGE plpgsql
AS $$
DECLARE r RECORD;
BEGIN
    FOR r IN SELECT * FROM pg_event_trigger_ddl_commands()
    LOOP
        RAISE NOTICE 'END: command_tag=% type=% identity=%',
            r.command_tag, r.object_type, r.object_identity;
    END LOOP;
END; $$;
CREATE EVENT TRIGGER regress_event_trigger_report_end ON ddl_command_end
  EXECUTE PROCEDURE event_trigger_report_end();

CREATE PROPERTY GRAPH pg;
GRANT SELECT ON PROPERTY GRAPH pg TO public;

fails with:
ERROR:  XX000: unsupported object type: 30
CONTEXT:  PL/pgSQL function event_trigger_report_end() line 4 at FOR over
SELECT rows
LOCATION:  stringify_grant_objtype, event_trigger.c:2335

Reproduced starting from 2f094e7ac.







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