BIT_COUNT()

Overview

Returns the number of bits set in the given argument.

See also: Functions in 10.6 ES, in 10.6 CS, in 10.5 ES, in 10.5 CS, in 10.4 ES, in 10.4 CS, in 10.3 ES, in 10.3 CS, in 10.2 ES, and in 10.2 CS

EXAMPLES

CREATE TABLE bitcount_example (
  example BIGINT
);

INSERT INTO bitcount_example VALUES
  (42), (101), (99), (13), (64), (86);

SELECT BIN(example), BIT_COUNT(example) FROM bitcount_example;

+--------------+--------------------+
| BIN(example) | BIT_COUNT(example) |
+--------------+--------------------+
| 101010       |                  3 |
| 1100101      |                  4 |
| 1100011      |                  4 |
| 1101         |                  3 |
| 1000000      |                  1 |
| 1010110      |                  4 |
+--------------+--------------------+

CHANGE HISTORY

Release Series

History

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

10.6 Community

  • Present starting in MariaDB Community Server 10.6.0.

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

10.5 Community

  • Present starting in MariaDB Community Server 10.5.0.

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

10.4 Community

  • Present starting in MariaDB Community Server 10.4.0.

10.3 Enterprise

  • Present starting in MariaDB Enterprise Server 10.3.16-1.

10.3 Community

  • Present starting in MariaDB Community Server 10.3.0.

10.2 Enterprise

  • Present starting in MariaDB Enterprise Server 10.2.25-1.

10.2 Community

  • Present starting in MariaDB Community Server 10.2.0.

EXTERNAL REFERENCES