Untitled

Order MySQL data by row value
id | itemId
---|------
0  | 1
1  | 2
2  | 3

id | itemId | key          | values
---|--------|---------------
0  | 1      | itemreceived | 2012-06-01
1  | 1      | modelyear    | 1992
2  | 1      | model        | 2
3  | 2      | itemreceived | 2012-06-05
4  | 2      | modelyear    | 2003
5  | 2      | model        | 1
6  | 3      | itemreceived | 2012-07-05
7  | 3      | modelyear    | 2000
8  | 3      | model        | 3

SELECT items.*, item_specs.* FROM item_specs
INNER JOIN item_specs ON items.itemId = item_specs.itemId
WHERE itemId IN(1,2,3)

SELECT items.*, item_specs.*
FROM item_specs
INNER JOIN item_specs ON items.itemId = item_specs.itemId
INNER JOIN item_specs aux ON (aux.key = 'model' and aux.itemID = item_specs.itemId)
WHERE item_specs.itemId IN(1,2,3)
ORDER BY aux.values/*this is the model*/, item_specs.id;

SELECT items.*,
       item_specs.*,
       (select aux.values
        from item_specs aux
        where aux.key = 'model' and aux.itemID = item_specs.itemId
        ) as model
FROM item_specs
INNER JOIN item_specs ON items.itemId = item_specs.itemId
WHERE item_specs.itemId IN(1,2,3)
ORDER BY model, item_specs.id;

SELECT * FROM `table` WHERE `key` = 'model' ORDER BY `values` ASC

SELECT * FROM `table`
   Order by (case When Key='model' then 0 else 1 end), values

SELECT * FROM `table`
WHERE `key` = 'model'
ORDER BY `values`;