histogram_type

Specifies type of the histograms created by ANALYZE. Possible values are: SINGLE_PREC_HB - single precision height-balanced, DOUBLE_PREC_HB - double precision height-balanced.

See also: System Variables for MariaDB Enterprise Server 10.6, 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

DETAILS

PARAMETERS

Command-line

--histogram_type=#

Configuration file

Supported

Dynamic

Yes

Scope

Global, Session

Data Type

ENUM (SINGLE_PREC_HB, DOUBLE_PREC_HB)

Default Value

DOUBLE_PREC_HB

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

HA (Primary/Replica)

10.4

DOUBLE_PREC_HB

AWS

HA (Primary/Replica)

10.5

DOUBLE_PREC_HB

AWS

Transactional Standalone

10.4

DOUBLE_PREC_HB

AWS

Transactional Standalone

10.5

DOUBLE_PREC_HB

AWS

Distributed Transactions

10.5

Not present

GCP

ColumnStore

10.5

DOUBLE_PREC_HB

GCP

ColumnStore Multi

10.5

DOUBLE_PREC_HB

GCP

Galera

10.4

DOUBLE_PREC_HB

GCP

Galera

10.5

DOUBLE_PREC_HB

GCP

HA (Primary/Replica)

10.4

DOUBLE_PREC_HB

GCP

HA (Primary/Replica)

10.5

DOUBLE_PREC_HB

GCP

HTAP

10.5

DOUBLE_PREC_HB

GCP

Transactional Standalone

10.4

DOUBLE_PREC_HB

GCP

Transactional Standalone

10.5

DOUBLE_PREC_HB

GCP

Distributed Transactions

10.5

Not present

See MariaDB SkySQL documentation to learn more about the MariaDB SkySQL database as a service.

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.

  • Default value changed in MariaDB Community Server 10.4.3 from SINGLE_PREC_HB to DOUBLE_PREC_HB

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