optimizer_prune_level

Controls the heuristic(s) applied during query optimization to prune less-promising partial plans from the optimizer search space. Meaning: 0 - do not apply any heuristic, thus perform exhaustive search; 1 - prune plans based on number of retrieved rows

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

BIGINT UNSIGNED

Minimum Value

0

Maximum Value

1

Default Value

1

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

HA (Primary/Replica)

10.4

1

AWS

HA (Primary/Replica)

10.5

1

AWS

Transactional Standalone

10.4

1

AWS

Transactional Standalone

10.5

1

AWS

Distributed Transactions

10.5

Not present

GCP

ColumnStore

10.5

1

GCP

ColumnStore Multi

10.5

1

GCP

Galera

10.4

1

GCP

Galera

10.5

1

GCP

HA (Primary/Replica)

10.4

1

GCP

HA (Primary/Replica)

10.5

1

GCP

HTAP

10.5

1

GCP

Transactional Standalone

10.4

1

GCP

Transactional Standalone

10.5

1

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