DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;

CREATE TABLE t1 ( id UInt32, attr UInt32 ) ENGINE = MergeTree ORDER BY id
SETTINGS ratio_of_defaults_for_sparse_serialization = 0.1;

INSERT INTO t1 VALUES (0, 0);

CREATE TABLE t2 ( id UInt32, attr UInt32 ) ENGINE = MergeTree ORDER BY id
SETTINGS ratio_of_defaults_for_sparse_serialization = 0.1;

INSERT INTO t2 VALUES (0, 0);

SELECT * FROM t1 JOIN t2 ON t1.id = t2.id AND t1.attr != 0;

INSERT INTO t1 VALUES (0, 1);

SELECT * FROM t1 JOIN t2 ON t1.id = t2.id AND t1.attr != 0;

DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;