chore: 并入 iotlcm-openapi 历史到 openapi/（原提交 3b05d5a）

openapi/utility/gfredis/zset.go

@@ -0,0 +1,21 @@
+package gfredis
+
+import (
+	"context"
+)
+
+func (r *Redis) ZPopByScore(ctx context.Context, key string, min, max string, limit int64) (res []string, err error) {
+	var luaScript = `
+	local members = redis.call('ZRANGEBYSCORE', KEYS[1], ARGV[1], ARGV[2], 'LIMIT', 0, ARGV[3])
+	if #members > 0 then
+		redis.call('ZREM', KEYS[1], unpack(members))
+	end
+	return members
+	`
+	cmd := r.rdb.Eval(ctx, luaScript, []string{key}, min, max, limit)
+	if err = cmd.Err(); err != nil {
+		return nil, err
+	}
+	res, err = cmd.StringSlice()
+	return
+}