tx_read_only

Overview

In 11.4 ES:

Default transaction access mode. If set to OFF, the default, access is read/write. If set to ON, access is read-only. The SET TRANSACTION statement can also change the value of this variable. See SET TRANSACTION and START TRANSACTION.This variable is deprecated and will be removed in a future release.

In 10.6 ES, 10.6 CS, 10.5 ES, 10.5 CS, 10.4 ES, 10.4 CS, 10.3 ES, 10.3 CS, 10.2 ES, 10.2 CS:

Default transaction access mode. If set to OFF, the default, access is read/write. If set to ON, access is read-only. The SET TRANSACTION statement can also change the value of this variable. See SET TRANSACTION and START TRANSACTION.

In 10.6 ES, 10.5 ES, 10.4 ES:

Default transaction access mode. If set to OFF, the default, access is read/write. If set to ON, access is read-only. The SET TRANSACTION statement can also change the value of this variable. See SET TRANSACTION and START TRANSACTION.

See also: System Variables for MariaDB Enterprise Server 11.4, in 10.6 ES, 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 11.4, in 10.6 ES, in 10.5 ES, and in 10.4 ES

USAGE

DETAILS

SYNONYMS

SCHEMA

PARAMETERS

Command-line

Not Supported

Configuration file

Not Supported

Dynamic

Yes

Scope

Global, Session

Data Type

BOOLEAN (OFF, ON)

Product Default Value

OFF

SKYSQL

Cloud

SkySQL Topology

ES Ver

Service Default

AWS

Multi-Node Analytics

10.6

OFF

Single Node Analytics

10.6

OFF

Replicated Transactions

10.4

OFF

10.5

OFF

10.6

OFF

Single Node Transactions

10.4

OFF

10.5

OFF

10.6

OFF

GCP

Multi-Node Analytics

10.6

OFF

Single Node Analytics

10.6

OFF

Replicated Transactions

10.4

OFF

10.5

OFF

10.6

OFF

Single Node Transactions

10.4

OFF

10.5

OFF

10.6

OFF

Cloud

SkySQL Topology

ES Ver

Service Default

AWS

ColumnStore Data Warehouse

10.6

OFF

Enterprise Server With Replica(s)

10.4

OFF

10.5

OFF

10.6

OFF

Enterprise Server Single Node

10.4

OFF

10.5

OFF

10.6

OFF

GCP

ColumnStore Data Warehouse

10.6

OFF

Enterprise Server With Replica(s)

10.4

OFF

10.5

OFF

10.6

OFF

Enterprise Server Single Node

10.4

OFF

10.5

OFF

10.6

OFF

PRIVILEGES

EXAMPLES

ERROR HANDLING

FEATURE INTERACTION

RESPONSES

DIAGNOSIS

ISO 9075:2016

CHANGE HISTORY

Release Series

History

11.4 Enterprise

  • Present starting in MariaDB Enterprise Server 11.4.3-1.

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

11.4 Enterprise

  • Present starting in MariaDB Enterprise Server 11.4.3-1.

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