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some change to redis-sha1.rb utility to make it more robust against non-meaningful changes in the dataset

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antirez
2009-12-11 18:45:25 +01:00
parent 5ad3c8c852
commit b32627cdc1
3 changed files with 21 additions and 5 deletions
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22
utils/redis-sha1.rb
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@ -16,17 +16,31 @@ def redisSha1(opts={})
sha1=""
r = Redis.new(opts)
r.keys('*').sort.each{|k|
sha1 = Digest::SHA1.hexdigest(sha1+k)
vtype = r.type?(k)
if vtype == "string"
len = 1
sha1 = Digest::SHA1.hexdigest(sha1+k)
sha1 = Digest::SHA1.hexdigest(sha1+r.get(k))
elsif vtype == "list"
sha1 = Digest::SHA1.hexdigest(sha1+r.list_range(k,0,-1).join("\x01"))
len = r.llen(k)
if len != 0
sha1 = Digest::SHA1.hexdigest(sha1+k)
sha1 = Digest::SHA1.hexdigest(sha1+r.list_range(k,0,-1).join("\x01"))
end
elsif vtype == "set"
sha1 = Digest::SHA1.hexdigest(sha1+r.set_members(k).to_a.sort.join("\x02"))
len = r.scard(k)
if len != 0
sha1 = Digest::SHA1.hexdigest(sha1+k)
sha1 = Digest::SHA1.hexdigest(sha1+r.set_members(k).to_a.sort.join("\x02"))
end
elsif vtype == "zset"
sha1 = Digest::SHA1.hexdigest(sha1+r.zrange(k,0,-1).join("\x01"))
len = r.zcard(k)
if len != 0
sha1 = Digest::SHA1.hexdigest(sha1+k)
sha1 = Digest::SHA1.hexdigest(sha1+r.zrange(k,0,-1).join("\x01"))
end
end
# puts "#{k} => #{sha1}" if len != 0
}
sha1
end