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Answers and rating deltas for

how to exclude null values in array_agg like in string_agg using postgres?

Author Votes Δ
Clodoaldo Neto 5 +1.45
Dale O'Brien 4 0.00
rorycl 4 0.00
GarethD 3 -0.81
ced-b 1 0.00
Michael 0 -3.45
Last visited: Sep 14, 2014, 5:07:29 AM