Build-in and custom reducers.


hi! looking examples how reduce statement works, how use built-in reducers , how write custom reducer. need group rowset id, , combine rows same id new row.

sorry delay (i on vacation , catching up). there no built-in reducers. can find reducer sample here: https://blogs.msdn.microsoft.com/mrys/2016/06/08/how-do-i-combine-overlapping-ranges-using-u-sql-introducing-u-sql-reducer-udos/

michael rys



Microsoft Azure  >  Azure Data Lake Analytics & Store



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