eq_range_index_dive_limit

Overview

The optimizer will use existing index statistics instead of doing index dives for equality ranges if the number of equality ranges for the index is larger than or equal to this number. If set to 0, index dives are always used.

DETAILS

PARAMETERS

Command-line

--eq_range_index_dive_limit=#

Configuration file

Supported

Dynamic

Yes

Scope

Global, Session

Data Type

INT UNSIGNED

Minimum Value

0

Maximum Value

4294967295

Default Value

200

SKYSQL

Cloud

SkySQL Topology

ES Ver

Default

AWS

Multi-Node Analytics

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

Single Node Analytics

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

Distributed Transactions

10.5

Not present

10.6

Not present

Replicated Transactions

10.4

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.5

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

Single Node Transactions

10.4

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.5

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

GCP

Multi-Node Analytics

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

Single Node Analytics

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

Distributed Transactions

10.5

Not present

10.6

Not present

Replicated Transactions

10.4

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.5

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

Single Node Transactions

10.4

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.5

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

Cloud

SkySQL Topology

ES Ver

Default

AWS

ColumnStore Data Warehouse

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

Xpand Distributed SQL

10.5

Not present

10.6

Not present

Enterprise Server With Replica(s)

10.4

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.5

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

Enterprise Server Single Node

10.4

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.5

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

GCP

ColumnStore Data Warehouse

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

Xpand Distributed SQL

10.5

Not present

10.6

Not present

Enterprise Server With Replica(s)

10.4

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.5

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

Enterprise Server Single Node

10.4

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.5

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

10.6

200 (choices: 0, 200, 2000, 6000, 12000, 20000)

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 0 to 200

10.3 Enterprise

  • Present starting in MariaDB Enterprise Server 10.3.16-1.

10.3 Community

  • Added in MariaDB Community Server 10.3.10.

10.2 Enterprise

  • Present starting in MariaDB Enterprise Server 10.2.25-1.

10.2 Community

  • Added in MariaDB Community Server 10.2.18.

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