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

DETAILS

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)

Default Value

NULLS_UNEQUAL

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

Multi-Node Analytics

10.6

NULLS_UNEQUAL

Single Node Analytics

10.6

NULLS_UNEQUAL

Distributed Transactions

10.5

Not present

10.6

Not present

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

Distributed Transactions

10.5

Not present

10.6

Not present

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

Default

AWS

ColumnStore Data Warehouse

10.6

NULLS_UNEQUAL

Xpand Distributed SQL

10.5

Not present

10.6

Not present

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

Xpand Distributed SQL

10.5

Not present

10.6

Not present

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

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