myisam_stats_method

Overview

Specifies how MyISAM index statistics collection code should treat NULLs. Possible values of name are NULLS_UNEQUAL (default behavior for 4.1 and later), NULLS_EQUAL (emulate 4.0 behavior), and NULLS_IGNORED

See also: System Variables for MariaDB Enterprise Server 10.6, in 10.5 ES, in 10.4 ES, in 10.3 ES, in 10.2 ES, in 10.6 CS, in 10.5 CS, in 10.4 CS, in 10.3 CS, and in 10.2 CS

See also: System Variables for MariaDB Enterprise Server 10.6, in 10.5 ES, and in 10.4 ES

USAGE

DETAILS

SYNONYMS

SCHEMA

PARAMETERS

Command-line

--myisam_stats_method={NULLS_UNEQUAL|NULLS_EQUAL|NULLS_IGNORED}

Configuration file

Supported

Dynamic

Yes

Scope

Global, Session

Data Type

ENUM (NULLS_UNEQUAL, NULLS_EQUAL, NULLS_IGNORED)

Product Default Value

NULLS_UNEQUAL

SKYSQL

Cloud

SkySQL Topology

ES Ver

Service Default

AWS

Multi-Node Analytics

10.6

NULLS_UNEQUAL

Single Node Analytics

10.6

NULLS_UNEQUAL

Replicated Transactions

10.4

NULLS_UNEQUAL

10.5

NULLS_UNEQUAL

10.6

NULLS_UNEQUAL

Single Node Transactions

10.4

NULLS_UNEQUAL

10.5

NULLS_UNEQUAL

10.6

NULLS_UNEQUAL

GCP

Multi-Node Analytics

10.6

NULLS_UNEQUAL

Single Node Analytics

10.6

NULLS_UNEQUAL

Replicated Transactions

10.4

NULLS_UNEQUAL

10.5

NULLS_UNEQUAL

10.6

NULLS_UNEQUAL

Single Node Transactions

10.4

NULLS_UNEQUAL

10.5

NULLS_UNEQUAL

10.6

NULLS_UNEQUAL

Cloud

SkySQL Topology

ES Ver

Service Default

AWS

ColumnStore Data Warehouse

10.6

NULLS_UNEQUAL

Enterprise Server With Replica(s)

10.4

NULLS_UNEQUAL

10.5

NULLS_UNEQUAL

10.6

NULLS_UNEQUAL

Enterprise Server Single Node

10.4

NULLS_UNEQUAL

10.5

NULLS_UNEQUAL

10.6

NULLS_UNEQUAL

GCP

ColumnStore Data Warehouse

10.6

NULLS_UNEQUAL

Enterprise Server With Replica(s)

10.4

NULLS_UNEQUAL

10.5

NULLS_UNEQUAL

10.6

NULLS_UNEQUAL

Enterprise Server Single Node

10.4

NULLS_UNEQUAL

10.5

NULLS_UNEQUAL

10.6

NULLS_UNEQUAL

PRIVILEGES

EXAMPLES

ERROR HANDLING

FEATURE INTERACTION

RESPONSES

DIAGNOSIS

ISO 9075:2016

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.

Release Series

History

10.6 Enterprise

  • Present starting in MariaDB Enterprise Server 10.6.4-1.

10.5 Enterprise

  • Present starting in MariaDB Enterprise Server 10.5.3-1.

10.4 Enterprise

  • Present starting in MariaDB Enterprise Server 10.4.6-1.

EXTERNAL REFERENCES