FunctionsAggregate functionsAggregate FunctionsgroupBitAndgroupBitAndgroupBitAnd Introduced in: v1.1 Applies bitwise AND for series of numbers. Syntax groupBitAnd(expr) Aliases: BIT_AND Arguments expr — Expression of (U)Int* type. (U)Int* Returned value Returns a value of (U)Int* type. (U)Int* Examples Bitwise AND example CREATE TABLE t (num UInt32) ENGINE = Memory; INSERT INTO t VALUES (44), (28), (13), (85); -- Test data: -- binary decimal -- 00101100 = 44 -- 00011100 = 28 -- 00001101 = 13 -- 01010101 = 85 SELECT groupBitAnd(num) FROM t; -- Result: -- binary decimal -- 00000100 = 4 ┌─groupBitAnd(num)─┐ │ 4 │ └──────────────────┘