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Remove messages from the cache in bulk.

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This commit is contained in:
Jon Chambers
2020-09-23 14:10:51 -04:00
committed by Jon Chambers
parent fc71ced660
commit c7230ccbb0
4 changed files with 77 additions and 34 deletions
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38
service/src/main/resources/lua/remove_item_by_guid.lua
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@@ -1,28 +1,32 @@
-- keys: queue_key, queue_metadata_key, queue_index
-- argv: guid_to_remove
local messageId = redis.call("HGET", KEYS[2], ARGV[1])
local removedMessages = {}
if messageId then
local envelope = redis.call("ZRANGEBYSCORE", KEYS[1], messageId, messageId, "LIMIT", 0, 1)
local sender = redis.call("HGET", KEYS[2], messageId)
for _, guid in ipairs(ARGV) do
local messageId = redis.call("HGET", KEYS[2], guid)
redis.call("ZREMRANGEBYSCORE", KEYS[1], messageId, messageId)
redis.call("HDEL", KEYS[2], ARGV[1])
redis.call("HDEL", KEYS[2], messageId .. "guid")
if messageId then
local envelope = redis.call("ZRANGEBYSCORE", KEYS[1], messageId, messageId, "LIMIT", 0, 1)
local sender = redis.call("HGET", KEYS[2], messageId)
if sender then
redis.call("HDEL", KEYS[2], sender)
redis.call("HDEL", KEYS[2], messageId)
end
redis.call("ZREMRANGEBYSCORE", KEYS[1], messageId, messageId)
redis.call("HDEL", KEYS[2], guid)
redis.call("HDEL", KEYS[2], messageId .. "guid")
if (redis.call("ZCARD", KEYS[1]) == 0) then
redis.call("ZREM", KEYS[3], KEYS[1])
end
if sender then
redis.call("HDEL", KEYS[2], sender)
redis.call("HDEL", KEYS[2], messageId)
end
if envelope and next(envelope) then
return envelope[1]
if (redis.call("ZCARD", KEYS[1]) == 0) then
redis.call("ZREM", KEYS[3], KEYS[1])
end
if envelope and next(envelope) then
removedMessages[#removedMessages + 1] = envelope[1]
end
end
end
return nil
return removedMessages