mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-23 16:12:01 +00:00

* prefer relative links from root

* wip

* split aggregate function reference

* split system tables

2020-06-18 11:24:31 +03:00

toc_priority
125

groupBitAnd

Applies bitwise AND for series of numbers.

groupBitAnd(expr)

Parameters

expr – An expression that results in UInt* type.

Return value

Value of the UInt* type.

Example

Test data:

binary     decimal
00101100 = 44
00011100 = 28
00001101 = 13
01010101 = 85

Query:

SELECT groupBitAnd(num) FROM t

Where num is the column with the test data.

Result:

binary     decimal
00000100 = 4