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MySQL 8.0 Reference Manual  /  ...  /  Function which Configures Group Replication Primary

13.4.3.3 Function which Configures Group Replication Primary

The following function enables you to configure which member of a single-primary replication group is the primary.

  • group_replication_set_as_primary()

    Appoints a specific member of the group as the new primary, overriding any election process. Pass in member_uuid which is the server_uuid of the member that you want to become the new primary. Must be issued on a member of a replication group running in single-primary mode.

    Syntax:

    STRING group_replication_set_as_primary(member_uuid)

    Return value:

    A string containing the result of the operation, for example whether it was successful or not.

    Example:

    SELECT group_replication_set_as_primary(member_uuid)

    For more information, see Section 18.4.2.1, “Changing a Group's Primary Member”


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