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Help with an interesting Postgres question: Why isn't an Index Only Scan used on a partition accessed via the parent table?.
pg_rotate_logfile
t
SELECT 1
CREATE EXTENSION
ERROR:  could not establish connection
DETAIL:  connection to server on socket "/var/run/postgresql/.s.PGSQL.5432" failed: FATAL:  database "ABCD" does not exist
CREATE FUNCTION
readlog
2026-02-28 10:23:09.784 GMT [789] FATAL: database "ABCD" does not exist
2026-02-28 10:23:09.786 GMT [788] ERROR: could not establish connection
2026-02-28 10:23:09.786 GMT [788] DETAIL: connection to server on socket "/var/run/postgresql/.s.PGSQL.5432" failed: FATAL: database "ABCD" does not exist
2026-02-28 10:23:09.786 GMT [788] STATEMENT: select pg_rotate_logfile();
create extension dblink;
select dblink_connect('','dbname=ABCD');
SELECT 1