38 lines
893 B
Go
38 lines
893 B
Go
// Package diagram provide diagram data structure and operation
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package diagram
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import (
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"context"
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"github.com/redis/go-redis/v9"
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)
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// RedisClient define struct to create redis client
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type RedisClient struct {
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Client *redis.Client
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}
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// NewRedisClient define func of new redis client instance
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func NewRedisClient() *RedisClient {
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return &RedisClient{
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Client: GetRedisClientInstance(),
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}
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}
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// QueryByZRangeByLex define func to query real time data from redis zset
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func (rc *RedisClient) QueryByZRangeByLex(ctx context.Context, key string, size int64, startTimestamp, stopTimeStamp string) ([]redis.Z, error) {
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client := rc.Client
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startStr := "[" + startTimestamp
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stopStr := stopTimeStamp + "]"
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args := redis.ZRangeArgs{
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Key: key,
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Start: startStr,
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Stop: stopStr,
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ByLex: true,
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Rev: false,
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Count: size,
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}
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return client.ZRangeArgsWithScores(ctx, args).Result()
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}
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