Research Article
An Abstract Description Method of Map-Reduce-Merge Using Haskell
getPartitionPair lTable rTable = | map (map (∖((lTablet, lNum), (rTablet, rNum)) (lTablet, rTablet))) – Step 4 | $ map (filter (uncurry partitionSelcetor)) – Step 3 | $ [[(pairLeft, pairRight) ∣ pairRight rTableNum] ∣ pairLeft lTableNum] – Step 2 | where – Step 1 | lTableNum = zip lTable 1,2.. | rTableNum = zip rTable 1,2.. |
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