[Add] CacheStore-Redis 添加指定前缀键名删除脚本, 以提供带有原子性的 RedisCacheStore.clear 操作;

[Add] RemoveKeysByPrefix.lua 添加用于实现 RedisCacheStore.clear 操作的脚本;

ContentGrabbingJi-CacheStore-redis/src/main/lua/RemoveKeysByPrefix.lua

@@ -0,0 +1,18 @@
+local keyPrefix = tostring(KEYS[1])
+
+if (keyPrefix == nil) then
+    return false
+end
+
+if (string.sub(keyPrefix, string.len(keyPrefix)) ~= "*") then
+    keyPrefix = keyPrefix .. "*"
+end
+
+
+local keys = redis.call("KEYS", keyPrefix)
+local count = 0;
+for _, v in ipairs(keys) do
+    count = count + redis.call("DEL", v)
+end
+
+return count