func (m *baseModel) getLastUpdated(id string, conn redis.Conn) (*time.Time, error) {
timeString, err := redis.String(conn.Do("HGET", m.idType+"s:updated", id))
if err != nil || timeString == "" {
return nil, err
}
t := time.Time{}
err = t.UnmarshalText([]byte(timeString))
return &t, err
}
func (m *ModuleModel) GetConfig(moduleID string, conn redis.Conn) (*string, error) {
m.syncing.Wait()
exists, err := redis.Bool(conn.Do("HEXISTS", "module:"+moduleID, "config"))
if exists {
item, err := conn.Do("HGET", "module:"+moduleID, "config")
config, err := redis.String(item, err)
return &config, err
}
return nil, err
}
func ExampleString() {
c, err := dial()
if err != nil {
panic(err)
}
defer c.Close()
c.Do("SET", "hello", "world")
s, err := redis.String(c.Do("GET", "hello"))
fmt.Printf("%#v\n", s)
// Output:
// "world"
}
func (m *ThingModel) GetThingIDForDevice(deviceID string, conn redis.Conn) (*string, error) {
item, err := conn.Do("HGET", "device-thing", deviceID)
if err != nil {
return nil, err
}
if item == nil {
return nil, RecordNotFound
}
thingID, err := redis.String(item, err)
return &thingID, err
}
// This example implements ZPOP as described at
// http://redis.io/topics/transactions using WATCH/MULTI/EXEC and scripting.
func Example_zpop() {
c, err := dial()
if err != nil {
fmt.Println(err)
return
}
defer c.Close()
// Add test data using a pipeline.
for i, member := range []string{"red", "blue", "green"} {
c.Send("ZADD", "zset", i, member)
}
if _, err := c.Do(""); err != nil {
fmt.Println(err)
return
}
// Pop using WATCH/MULTI/EXEC
v, err := zpop(c, "zset")
if err != nil {
fmt.Println(err)
return
}
fmt.Println(v)
// Pop using a script.
v, err = redis.String(zpopScript.Do(c, "zset"))
if err != nil {
fmt.Println(err)
return
}
fmt.Println(v)
// Output:
// red
// blue
}
