BIT_AND

Description

Aggregate function.

The BIT_AND(expr) function returns the bitwise AND of all bits in expr.

Syntax

> BIT_AND(expr)

Arguments

Examples

> drop table if exists t1;
> CREATE TABLE t1 (id CHAR(1), number INT);
> INSERT INTO t1 VALUES
      ('a',111),('a',110),('a',100),
      ('a',000),('b',001),('b',011);
> select id, BIT_AND(number) FROM t1 GROUP BY id;
+------+-----------------+
| id   | bit_and(number) |
+------+-----------------+
| a    |               0 |
| b    |               1 |
+------+-----------------+