roachtest: unoptimized-query-oracle: incorrect oid typing in row-by-row merge joiner about cockroach HOT 2 CLOSED

CREATE TABLE t (
  col_0 REGROLE, col_1 OID, col_2 INT,
  INDEX (col_1 DESC) STORING (col_2),
  INDEX (col_0) STORING (col_1)
);

INSERT INTO t (col_0, col_1, col_2) VALUES (0, 0, 0);

SET testing_optimizer_random_seed = 6047211422050928467;
SET testing_optimizer_disable_rule_probability = 0.500000;
SET vectorize = off;

SELECT
	t2.col_1
FROM
	t AS t1
	JOIN t AS t2 ON (t1.col_0) = (t2.col_1)
ORDER BY
	t1.col_0;

RESET testing_optimizer_random_seed;
RESET testing_optimizer_disable_rule_probability;
RESET vectorize;

SELECT
	t2.col_1
FROM
	t AS t1
	JOIN t AS t2 ON (t1.col_0) = (t2.col_1)
ORDER BY
	t1.col_0;