subquery

type BackConn interface {
	Request([]string) (map[string][]byte, error)
	Ping() bool
}

type DepQuery struct {
	S []int64
	C []int8
	U []string
}

type Empty struct{}

type FbBackConn struct {
	Conn chan *rpc.Client
	Pars st.FbackParameters
}

type JsonRequest struct {
	T int64           `json:"t"`
	D QueryLayerSlice `json:"d"`
}

type MySqlBackConn struct {
	Conn      *sql.DB
	R         *rand.Rand
	WriteProb float32
}

type Query struct {
	Id   string
	Size int64
	Dep  string
}

type QueryLayer map[string]DepQuery

type QueryLayerSlice []QueryLayer

type Semaphore chan Empty

type SizeGen struct {
	R       *rand.Rand
	Cutoffs map[float32]int64
	Ordered []float32
}

type Subsystem struct {
	CacheClient      *memcache.Client
	CacheSema        Semaphore
	BackClient       BackConn
	BackSema         Semaphore
	Shadow1, Shadow2 *sq.ShadowCache
}