groupBitAnd - ClickHouse Documentation

groupBitAnd

Introduced in: v1.1.0 Applies bitwise AND for series of numbers. Syntax

groupBitAnd(expr)

Aliases: bitwise_and_agg, 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

Query

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;

Response