func ExampleClient_DeleteMulti() {
ctx := context.Background()
client, err := datastore.NewClient(ctx, "project-id")
if err != nil {
// TODO: Handle error.
}
var keys []*datastore.Key
for i := 1; i <= 10; i++ {
keys = append(keys, datastore.IDKey("Article", int64(i), nil))
}
if err := client.DeleteMulti(ctx, keys); err != nil {
// TODO: Handle error.
}
}
// [START update_entity]
// MarkDone marks the task done with the given ID.
func MarkDone(ctx context.Context, client *datastore.Client, taskID int64) error {
// Create a key using the given integer ID.
key := datastore.IDKey("Task", taskID, nil)
// In a transaction load each task, set done to true and store.
_, err := client.RunInTransaction(ctx, func(tx *datastore.Transaction) error {
var task Task
if err := tx.Get(key, &task); err != nil {
return err
}
task.Done = true
_, err := tx.Put(key, &task)
return err
})
return err
}
func ExampleIDKey() {
// Key with numeric ID.
k := datastore.IDKey("Article", 1, nil)
_ = k // TODO: Use key.
}
func ExampleKey_Encode() {
key := datastore.IDKey("Article", 1, nil)
encoded := key.Encode()
fmt.Println(encoded)
// Output: EgsKB0FydGljbGUQAQ
}
func (db *datastoreDB) datastoreKey(id int64) *datastore.Key {
return datastore.IDKey("Book", id, nil)
}
// [START delete_entity]
// DeleteTask deletes the task with the given ID.
func DeleteTask(ctx context.Context, client *datastore.Client, taskID int64) error {
return client.Delete(ctx, datastore.IDKey("Task", taskID, nil))
}