SET partial_merge_join = 0; SELECT number as n, j FROM numbers(4) ANY LEFT JOIN ( SELECT number * 2 AS n, number + 10 AS j FROM numbers(4000) ) js2 USING n; SET max_rows_in_join = 1000; SELECT number as n, j FROM numbers(4) ANY LEFT JOIN ( SELECT number * 2 AS n, number + 10 AS j FROM numbers(4000) ) js2 USING n; -- { serverError 191 } SET partial_merge_join = 1; SELECT number as n, j FROM numbers(4) ANY LEFT JOIN ( SELECT number * 2 AS n, number + 10 AS j FROM numbers(4000) ) js2 USING n; SET partial_merge_join_optimizations = 1; SELECT number as n, j FROM numbers(4) ANY LEFT JOIN ( SELECT number * 2 AS n, number + 10 AS j FROM numbers(4000) ) js2 USING n;