BuildAtomicQuery concatenates the provided queries into a single query wrapped in a BEGIN COMMIT block.

CheckReadOnly check whether the mysql is read only.

check readonly node, rpl_semi_sync_slave_enabled.

CheckSlaveStatus check the slave status.

CheckSlaveStatusWithRetry check the slave status with retry time.

ConcatenateQueries concatenates the provided queries into a single query.

CreateUserIfNotExists creates a user if it doesn't already exist and it gives it the specified permissions.

DropUser removes a MySQL user if it exists, along with its privileges.

Escape escapes a string.

GetGlobalVariable used to get the global variable by param.

NewConfigFromClusterKey returns a new Config based on a MySQLCluster key.

NewQuery returns a new Query object.

NewSQLRunner opens a connections using the given DSN.

NewXenonHttpRequest returns the http request of the corresponding type according to the incoming configuration.

Config is used to connect to a MysqlCluster.

Query contains a escaped query string with variables marked with a question mark (?) and a slice of positional arguments.

RequestConfig is the configuration required to get xenon http requests.

SQLRunner interface is a subset of mysql.DB.

SQLRunnerFactory a function that generates a new SQLRunner.