Galera Functions

Interact with the Galera Cluster plugin. These functions provide internal status information and control mechanisms specific to synchronous multi-master replication nodes.

WSREP_LAST_SEEN_GTID

Return the GTID of the most recent write transaction. This function helps determine the transaction ID to use for synchronization waiting.

WSREP_LAST_WRITTEN_GTID

Return the GTID of the client's last write. This function identifies the specific transaction ID generated by the current client's most recent write operation.

WSREP_SYNC_WAIT_UPTO_GTID

Wait for a specific GTID to be applied. This function blocks the client until the node has committed the transaction with the specified Global Transaction ID.

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