myisam_stats_method

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, and in 10.4 ES

DETAILS

PARAMETERS

Dynamic

Yes

Scope

Global, Session

Data Type

ENUM (NULLS_UNEQUAL, NULLS_EQUAL, NULLS_IGNORED)

Default Value

NULLS_UNEQUAL

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

HA (Primary/Replica)

10.4

NULLS_UNEQUAL

AWS

HA (Primary/Replica)

10.5

NULLS_UNEQUAL

AWS

Transactional Standalone

10.4

NULLS_UNEQUAL

AWS

Transactional Standalone

10.5

NULLS_UNEQUAL

AWS

Distributed Transactions

10.5

Not present

GCP

ColumnStore

10.5

NULLS_UNEQUAL

GCP

ColumnStore Multi

10.5

NULLS_UNEQUAL

GCP

Galera

10.4

NULLS_UNEQUAL

GCP

Galera

10.5

NULLS_UNEQUAL

GCP

HA (Primary/Replica)

10.4

NULLS_UNEQUAL

GCP

HA (Primary/Replica)

10.5

NULLS_UNEQUAL

GCP

HTAP

10.5

NULLS_UNEQUAL

GCP

Transactional Standalone

10.4

NULLS_UNEQUAL

GCP

Transactional Standalone

10.5

NULLS_UNEQUAL

GCP

Distributed Transactions

10.5

Not present

CHANGE HISTORY

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