Пример #1
0
func insertDocument(domain, title, url, group string, popularity float64, c *redis.Client) {
	encoded := encodeString(domain)
	encodedURL := encodeString(url)

	existingTitle, _ := c.Cmd("HGET", encoded+"$titles", encodedURL).Str()
	if existingTitle == "" {
		err := c.Cmd("HINCRBY", "$domaindocuments", domain, 1).Err
		errorHandler(err)
	}

	pipedCommands := 0
	for _, prefix := range getPrefixes(title) {
		if group != "" {
			encodedGroup := encodeString(group)
			c.Append("ZADD", encoded+encodedGroup+prefix, popularity, encodedURL)
			c.Append("HSET", encoded+"$groups", encodedURL, encodedGroup)
			pipedCommands++
		} else {
			c.Append("ZADD", encoded+prefix, popularity, encodedURL)
		}
		pipedCommands++
	}
	c.Append("HSET", encoded+"$titles", encodedURL, title)
	pipedCommands++
	c.Append("HSET", encoded+"$urls", encodedURL, url)
	pipedCommands++
	for i := 1; i <= pipedCommands; i++ {
		if err := c.GetReply().Err; err != nil {
			errorHandler(err)
		}
	}

}