off => !$conf -> {core_session_access_logs_dbtable},
columns => {
        id         => {TYPE_NAME => 'bigint', _EXTRA => 'auto_increment', _PK => 1},
        id_session => {TYPE_NAME => 'bigint'},
        ts         => {TYPE_NAME => 'timestamp'},
        no         => {TYPE_NAME => 'int'},
        href       => {TYPE_NAME => 'text'},
},
keys => {
        ix => 'id_session,no',
        ix2 => 'id_session,href(255)',
},