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Aggregate values in a redis sorted set. Returns {count, sum, min, max}
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local count = 0 | |
local sum = 0 | |
local min = 0 | |
local max = 0 | |
local cursor = "0" | |
local result = nil | |
local data = nil | |
repeat | |
result = redis.call("zscan", KEYS[1], cursor, "count", 100) | |
cursor, data = unpack(result) | |
for i=1, #data, 2 do | |
local score = tonumber(data[i + 1]) | |
count = count + 1 | |
sum = sum + score | |
if i == 1 then | |
min = score | |
max = score | |
else | |
min = math.min(min, score) | |
max = math.max(max, score) | |
end | |
end | |
until cursor == "0" | |
return { | |
count, sum, min, max | |
} |
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