예제 #1
0
func (mi *Indexer) SchemaVersion() (version int, err os.Error) {
	var client *mysql.Client
	client, err = mi.getConnection()
	if err != nil {
		return
	}
	defer mi.releaseConnection(client)

	err = client.Query("SELECT value FROM meta WHERE metakey='version'")
	if err != nil {
		return
	}
	res, err := client.UseResult()
	if err != nil {
		return
	}

	row := res.FetchRow()
	if row == nil {
		return 0, nil
	}

	version, err = strconv.Atoi(row[0].(string))

	client.FreeResult()
	return
}
예제 #2
0
func (mi *Indexer) IsAlive() (ok bool, err os.Error) {
	var client *mysql.Client
	client, err = mi.getConnection()
	if err != nil {
		return
	}
	defer mi.releaseConnection(client)

	err = client.Query("SELECT 1 + 1")
	if err != nil {
		return
	}
	_, err = client.UseResult()
	if err != nil {
		return
	}
	client.FreeResult()
	return true, nil
}