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YZWL/IDEA/performance_schema/replication_asynchronous_co...

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create table performance_schema.replication_asynchronous_connection_failover
(
CHANNEL_NAME char(64) charset utf8mb3 not null comment 'The replication channel name that connects source and replica.',
HOST char(255) charset ascii not null comment 'The source hostname that the replica will attempt to switch over the replication connection to in case of a failure.',
PORT int not null comment 'The source port that the replica will attempt to switch over the replication connection to in case of a failure.',
NETWORK_NAMESPACE char(64) null comment 'The source network namespace that the replica will attempt to switch over the replication connection to in case of a failure. If its value is empty, connections use the default (global) namespace.',
WEIGHT int unsigned not null comment 'The order in which the replica shall try to switch the connection over to when there are failures. Weight can be set to a number between 1 and 100, where 100 is the highest weight and 1 the lowest.',
MANAGED_NAME char(64) charset utf8mb3 default '' not null comment 'The name of the group which this server belongs to.'
)
engine = PERFORMANCE_SCHEMA;