redis_lua.getByUnique.lua Maven / Gradle / Ivy

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-- 根据唯一索引取得
local table = KEYS[1];
local table_unique = KEYS[2];
local unique = KEYS[3];

-- 1.先根据索引取得主键
local primaryKey = redis.call('hget', table_unique, unique);
if (primaryKey) then
    -- 2. 根据主键取得对象
    return redis.call('hget', table, primaryKey);
else
    return nil;
end