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CREATE TABLE test (a INT);
SELECT 1 FROM pg_switch_wal();
DO $$
DECLARE
archived bool;
loops int := 0;
BEGIN
LOOP
archived := count(*) > 0 FROM pg_ls_dir('.', false, false) a
WHERE a ~ '^[0-9A-F]{24}$';
IF archived OR loops > 120 * 10 THEN EXIT; END IF;
PERFORM pg_sleep(0.1);
loops := loops + 1;
END LOOP;
END
$$;
SELECT count(*) > 0 FROM pg_ls_dir('.', false, false) a
WHERE a ~ '^[0-9A-F]{24}$';
DROP TABLE test;
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