php - finding the total number of records for a given location -


i have following mysql query:

select sku, quantity, inventory.isbn13, author, title, pub_date, binding,        defect.defect, source, location inventory       left join location on inventory.location_id = location.location_id       left join source on inventory.source_id = source.source_id       left join book on inventory.isbn13 = book.isbn13       left join defect on inventory.defect_id = defect.defect_id       left join book_condition on book_condition.condition_id = defect.condition_id       quantity > '0' , location.location_id >= '986' , location.location_id <= '989'       order inventory.location_id, sku

which works perfectly, need show total number of books each location id. example location_id 986 has 17 books, location_id 987 has 34 books etc. need run second query information or there way in query have?
jim

here go:

select     sku,      quantity,      inventory.isbn13,      author,      title,      pub_date,      binding,      defect.defect,      source,      location,     t.cnt      inventory         inner join              (             select                 inventory.location_id,                 count(book.isbn13) `cnt`             inventory                   left join book on inventory.isbn13 = book.isbn13             group inventory.location_id             ) t on t.location_id = i.location_id         inner join location l       on i.location_id = l.location_id         left join source            on i.source_id = source.source_id         left join defect            on i.defect_id = defect.defect_id         left join book_condition    on book_condition.condition_id = defect.condition_id      i.quantity > '0'  , l.location_id >= '986'  , l.location_id <= '989'

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