database

package

v0.0.0-...-0a9b7e3 Latest Latest Go to latest Published: Jan 6, 2022 License: MIT Imports: 2 Imported by: 0

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func CreateNameKey(tableName string, keyName string) *datastore.Key

datasotoreのkeyを作成します

type Database struct {
	Client *datastore.Client
}

func NewDatabase(ctx context.Context) (*Database, error)

Datastoreのclientを作成する projectIDは環境変数 `DATASTORE_PROJECT_ID` で設定する必要があります

func (c *Database) Close()

Datastoreのclientを閉じる

func (c *Database) Count(ctx context.Context, query *datastore.Query) (int, error)

指定したqueryの数を返します

func (c *Database) Delete(ctx context.Context, key *datastore.Key) error

指定したkeyのentryを削除

func (c *Database) DeleteMulti(ctx context.Context, key []*datastore.Key) error

指定したkeyのentryを複数削除

func (c *Database) Get(ctx context.Context, key *datastore.Key, entity interface{}) (bool, error)

keyを指定してdatastoreのentryを1つ取得する

要素が見つからない場合、trueを返します

func (c *Database) GetAll(ctx context.Context, query *datastore.Query, entities interface{}) ([]*datastore.Key, error)

queryに一致するdatastoreのentryをすべて取得する

func (c *Database) Put(ctx context.Context, key *datastore.Key, entry interface{}) error

keyを指定してentryをdatastoreに追加する

func (c *Database) Run(ctx context.Context, query *datastore.Query) *datastore.Iterator

queryを実行します