SET optimize_arithmetic_operations_in_aggregate_functions = 0; SELECT toDecimal32(2, 2) * 1.2; SELECT toDecimal64(0.5, 2) * 20.33; SELECT 0.00001 * toDecimal32(12, 2); SELECT 30.033 * toDecimal32(5, 1); CREATE TABLE IF NOT EXISTS test01603 ( f64 Float64, d Decimal64(3) DEFAULT toDecimal32(f64, 3), f32 Float32 DEFAULT f64 ) ENGINE=MergeTree() ORDER BY f32; INSERT INTO test01603(f64) SELECT 1 / (number + 1) FROM system.numbers LIMIT 1000; SELECT sum(d * 1.1) FROM test01603; SELECT sum(8.01 * d) FROM test01603; SELECT sum(f64 * toDecimal64(80, 2)) FROM test01603; SELECT sum(toDecimal64(40, 2) * f32) FROM test01603; SELECT sum(f64 * toDecimal64(0.1, 2)) FROM test01603; SELECT sum(toDecimal64(0.3, 2) * f32) FROM test01603; SELECT sum(f64 * d) FROM test01603; SELECT sum(d * f64) FROM test01603; SELECT sum(f32 * d) FROM test01603; SELECT sum(d * f32) FROM test01603; DROP TABLE IF EXISTS test01603;