29.12.9.1 session_account_connect_attrs 表
Application programs can provide key-value connection attributes to be passed to the server at connect time. For descriptions of common attributes, see Section 29.12.9, “Performance Schema Connection Attribute Tables”.
The session_account_connect_attrs
table contains connection attributes only for the current session, and other sessions associated with the session account. To see connection attributes for all sessions, use the session_connect_attrs
table.
The session_account_connect_attrs
table has these columns:
-
PROCESSLIST_ID
The connection identifier for the session.
-
ATTR_NAME
The attribute name.
-
ATTR_VALUE
The attribute value.
-
ORDINAL_POSITION
The order in which the attribute was added to the set of connection attributes.
The session_account_connect_attrs
table has these indexes:
-
Primary key on (
PROCESSLIST_ID
,ATTR_NAME
)
TRUNCATE TABLE
is not permitted for the session_account_connect_attrs
table.