columns => {
        id              => {TYPE_NAME  => 'bigint', _PK    => 1},
        id_user         => {TYPE_NAME  => 'int'},
        id_role         => {TYPE_NAME  => 'int'},
        ts              => {TYPE_NAME  => 'timestamp'},
        ip              => {TYPE_NAME => 'varchar', COLUMN_SIZE => 255},
        ip_fw           => {TYPE_NAME => 'varchar', COLUMN_SIZE => 255},
        client_cookie   => {TYPE_NAME => 'varchar', COLUMN_SIZE => 255},
        peer_server     => {TYPE_NAME => 'varchar', COLUMN_SIZE => 255, off => 0 == %{$conf    -> {peer_roles}}},
        peer_id         => {TYPE_NAME => 'int',                         off => 0 == %{$conf    -> {peer_roles}}},
         
        tz_offset       => {TYPE_NAME => 'tinyint', COLUMN_DEF => 0,   off => !$preconf -> {core_fix_tz}},
},
keys => {
        ts => 'ts',
},