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Hi,
I want to SUM one column value between all objects that match the specified checks. SQL example:
SELECT SUM(column_name) FROM table WHERE year = 2014
My HyperDex database is huge and I don't want receive all objects (from year = 2014) and increment value in loop (in memory on client-side). I want get one long-integer value. It is possible to solve this issue in HyperDex (on server-side)?
李俊良
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Feb 21, 2016, 11:38:39 PM2/21/16
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