func LinkBench() {
var db = loge.NewLogeDB(loge.NewLevelDBStore("data/linkbench"))
defer db.Close()
db.CreateType(loge.NewTypeDef("person", 1, &Person{}))
var petDef = loge.NewTypeDef("pet", 1, &Pet{})
petDef.Links = loge.LinkSpec{"owner": "person"}
db.CreateType(petDef)
fmt.Printf("Inserting...\n")
db.Transact(func(t *loge.Transaction) {
t.Set("person", "Brendon", &Person{"Brendon", 31, []uint16{}})
for i := 0; i < 10000; i++ {
var key = fmt.Sprintf("pet-%04d", i)
t.Set("pet", loge.LogeKey(key), &Pet{key, "dog"})
t.AddLink("pet", "owner", loge.LogeKey(key), "Brendon")
}
}, 0)
fmt.Printf("Finding...\n")
var count = 0
db.Transact(func(t *loge.Transaction) {
var pets = t.Find("pet", "owner", "Brendon")
for pets.Valid() {
pets.Next()
count++
}
}, 0)
fmt.Printf("Found %d pets\n", count)
count = 0
var lastPet loge.LogeKey = ""
var loops = 0
for loops < 1000 {
db.Transact(func(t *loge.Transaction) {
var somePets = t.FindSlice("pet", "owner", "Brendon", lastPet, 100)
for somePets.Valid() {
lastPet = somePets.Next()
count++
}
}, 0)
loops++
}
fmt.Printf("Sliced %d pets\n", count)
}
func WritePeopleBatch(db *loge.LogeDB, start int, end int, tokens chan bool) {
db.Transact(func(t *loge.Transaction) {
fmt.Printf("Writing batch %d => %d\n", start, end)
for i := start; i <= end; i++ {
var name = fmt.Sprintf("Person %d", i)
var person = Person{
Name: name,
Age: uint32(i),
}
t.Set("person", loge.LogeKey(name), &person)
}
}, 0)
tokens <- true
}