The Performance Schema makes these types of connection attributes available:
Attributes defined by application programs, which can provide key/value connection attributes to be passed to the server at connect time, using the
mysql_options4()C API functions. The
session_connect_attrstables expose this information:
User-defined variables, in the
The set of connection attributes visible on a given connection may vary depending on your platform and Connector used to establish the connection.
libmysqlclient client library sets these
_client_name: The client name (
libmysqlfor the client library)
_client_version: The client library version
_os: The operating system (for example,
_platform: The machine platform (for example,
_pid: The client process ID
_thread: The client thread ID (Windows only)
Attribute names that begin with
reserved for MySQL itself and should not be used by client
applications. This permits new attributes to be introduced by
MySQL without colliding with application attributes.
Some MySQL clients define additional attributes:
mysqlbinlog defines the
Replication slave connections define
_client_replication_channel_nameas the channel name.
FEDERATEDstorage engine connections define