2024-01-17 15:48:24 +01:00
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-- Lua script to perform cache checking for bayes classification
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-- This script accepts the following parameters:
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-- key1 - cache id
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-- key2 - configuration table in message pack
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local cache_id = KEYS[1]
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local conf = cmsgpack.unpack(KEYS[2])
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2024-01-17 16:08:19 +01:00
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cache_id = string.sub(cache_id, 1, conf.cache_elt_len)
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2024-01-17 15:48:24 +01:00
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-- Try each prefix that is in Redis
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for i = 0, conf.cache_max_keys do
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local prefix = conf.cache_prefix .. string.rep("X", i)
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local have = redis.call('HGET', prefix, cache_id)
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if have then
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return tonumber(have)
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end
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end
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return nil
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