sql - Stock ledger query from one table -


i have table 

documentnumber, itemnumber, qty, ----------------------------------- 600000001,  1006yl01,   1 100001976,  1006yl01,   -1 100008439,  1006yl08,   -1 600000001,  1006yl08,   1 100005095,  1006yl08,   -1 100003814,  1006yl08,   -1 100002955,  1006yl08,   -1 500000087,  1006yl08,   2 500000212,  1006yl08,   1 100001152,  1006yl09,   -1 100004799,  1006yl09,   -1 500000282,  1006yl09,   2 100002859,  1006yl09,   -1 600000001,  1006yl09,   2 100003625,  1006yl09,   -1 600000001,  1006yl10,   2 100003274,  1006yl10,   -1 100002451,  1006yl10,   -1

i want make query returns

document number, itemnumber, receiveqty (from qty >1), issue qty (from qty<1)

can body help?

select  documentnumber,          itemnumber,         sum(case when qty > 1 1 else 0 end) total_lessthanone,         sum(case when qty < 1 1 else 0 end) total_greaterthanone    tablename group   documentnumber, itemnumber

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