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Insertar datos del gráfico

Insertar datos en un grafo de Spanner

Muestra de código

C++

Para obtener información sobre cómo instalar y usar la biblioteca cliente de Spanner, consulta Bibliotecas cliente de Spanner.

Para autenticarte en Spanner, configura las credenciales predeterminadas de la aplicación. Si deseas obtener más información, consulta Configura la autenticación para un entorno de desarrollo local.

void InsertData(google::cloud::spanner::Client client) {
  namespace spanner = ::google::cloud::spanner;

  auto insert_accounts =
      spanner::InsertMutationBuilder(
          "Account", {"id", "create_time", "is_blocked", "nick_name"})
          .EmplaceRow(7, spanner::Value("2020-01-10T06:22:20.12Z"), false,
                      "Vacation Fund")
          .EmplaceRow(16, spanner::Value("2020-01-27T17:55:09.12Z"), true,
                      "Vacation Fund")
          .EmplaceRow(20, spanner::Value("2020-02-18T05:44:20.12Z"), false,
                      "Rainy Day Fund")
          .Build();

  auto insert_persons =
      spanner::InsertMutationBuilder(
          "Person", {"id", "name", "birthday", "country", "city"})
          .EmplaceRow(1, "Alex", spanner::Value("1991-12-21T00:00:00.12Z"),
                      "Australia", "Adelaide")
          .EmplaceRow(2, "Dana", spanner::Value("1980-10-31T00:00:00.12Z"),
                      "Czech_Republic", "Moravia")
          .EmplaceRow(3, "Lee", spanner::Value("1986-12-07T00:00:00.12Z"),
                      "India", "Kollam")
          .Build();

  auto insert_transfers =
      spanner::InsertMutationBuilder(
          "AccountTransferAccount",
          {"id", "to_id", "amount", "create_time", "order_number"})
          .EmplaceRow(7, 16, 300.0, spanner::Value("2020-08-29T15:28:58.12Z"),
                      "304330008004315")
          .EmplaceRow(7, 16, 100.0, spanner::Value("2020-10-04T16:55:05.12Z"),
                      "304120005529714")
          .EmplaceRow(16, 20, 300.0, spanner::Value("2020-09-25T02:36:14.12Z"),
                      "103650009791820")
          .EmplaceRow(20, 7, 500.0, spanner::Value("2020-10-04T16:55:05.12Z"),
                      "304120005529714")
          .EmplaceRow(20, 16, 200.0, spanner::Value("2020-10-17T03:59:40.12Z"),
                      "302290001255747")
          .Build();

  auto insert_ownerships =
      spanner::InsertMutationBuilder("PersonOwnAccount",
                                     {"id", "account_id", "create_time"})
          .EmplaceRow(1, 7, spanner::Value("2020-01-10T06:22:20.12Z"))
          .EmplaceRow(2, 20, spanner::Value("2020-01-27T17:55:09.12Z"))
          .EmplaceRow(3, 16, spanner::Value("2020-02-18T05:44:20.12Z"))
          .Build();

  auto commit_result = client.Commit(spanner::Mutations{
      insert_accounts, insert_persons, insert_transfers, insert_ownerships});
  if (!commit_result) throw std::move(commit_result).status();
  std::cout << "Insert was successful [spanner_insert_graph_data]\n";
}

Go

Para obtener información sobre cómo instalar y usar la biblioteca cliente de Spanner, consulta Bibliotecas cliente de Spanner.


import (
	"context"
	"io"
	"time"

	"cloud.google.com/go/spanner"
)

func parseTime(rfc3339Time string) time.Time {
	t, _ := time.Parse(time.RFC3339, rfc3339Time)
	return t
}

func insertGraphData(w io.Writer, db string) error {
	ctx := context.Background()
	client, err := spanner.NewClient(ctx, db)
	if err != nil {
		return err
	}
	defer client.Close()

	// Values are inserted into the node and edge tables corresponding to
	// using Spanner 'Insert' mutations.
	// The tables and columns comply with the schema defined for the
	// property graph 'FinGraph', comprising 'Person' and 'Account' nodes,
	// and 'PersonOwnAccount' and 'AccountTransferAccount' edges.
	personColumns := []string{"id", "name", "birthday", "country", "city"}
	accountColumns := []string{"id", "create_time", "is_blocked", "nick_name"}
	ownColumns := []string{"id", "account_id", "create_time"}
	transferColumns := []string{"id", "to_id", "amount", "create_time", "order_number"}
	m := []*spanner.Mutation{
		spanner.Insert("Account", accountColumns,
			[]interface{}{7, parseTime("2020-01-10T06:22:20.12Z"), false, "Vacation Fund"}),
		spanner.Insert("Account", accountColumns,
			[]interface{}{16, parseTime("2020-01-27T17:55:09.12Z"), true, "Vacation Fund"}),
		spanner.Insert("Account", accountColumns,
			[]interface{}{20, parseTime("2020-02-18T05:44:20.12Z"), false, "Rainy Day Fund"}),
		spanner.Insert("Person", personColumns,
			[]interface{}{1, "Alex", parseTime("1991-12-21T00:00:00.12Z"), "Australia", " Adelaide"}),
		spanner.Insert("Person", personColumns,
			[]interface{}{2, "Dana", parseTime("1980-10-31T00:00:00.12Z"), "Czech_Republic", "Moravia"}),
		spanner.Insert("Person", personColumns,
			[]interface{}{3, "Lee", parseTime("1986-12-07T00:00:00.12Z"), "India", "Kollam"}),
		spanner.Insert("AccountTransferAccount", transferColumns,
			[]interface{}{7, 16, 300.0, parseTime("2020-08-29T15:28:58.12Z"), "304330008004315"}),
		spanner.Insert("AccountTransferAccount", transferColumns,
			[]interface{}{7, 16, 100.0, parseTime("2020-10-04T16:55:05.12Z"), "304120005529714"}),
		spanner.Insert("AccountTransferAccount", transferColumns,
			[]interface{}{16, 20, 300.0, parseTime("2020-09-25T02:36:14.12Z"), "103650009791820"}),
		spanner.Insert("AccountTransferAccount", transferColumns,
			[]interface{}{20, 7, 500.0, parseTime("2020-10-04T16:55:05.12Z"), "304120005529714"}),
		spanner.Insert("AccountTransferAccount", transferColumns,
			[]interface{}{20, 16, 200.0, parseTime("2020-10-17T03:59:40.12Z"), "302290001255747"}),
		spanner.Insert("PersonOwnAccount", ownColumns,
			[]interface{}{1, 7, parseTime("2020-01-10T06:22:20.12Z")}),
		spanner.Insert("PersonOwnAccount", ownColumns,
			[]interface{}{2, 20, parseTime("2020-01-27T17:55:09.12Z")}),
		spanner.Insert("PersonOwnAccount", ownColumns,
			[]interface{}{3, 16, parseTime("2020-02-18T05:44:20.12Z")}),
	}
	_, err = client.Apply(ctx, m)
	return err
}

Java

Para obtener información sobre cómo instalar y usar la biblioteca cliente de Spanner, consulta Bibliotecas cliente de Spanner.

/** Class to contain sample Person data. */
static class Person {

  final long id;
  final String name;
  final Timestamp birthday;
  final String country;
  final String city;

  Person(long id, String name, Timestamp birthday, String country, String city) {
    this.id = id;
    this.name = name;
    this.birthday = birthday;
    this.country = country;
    this.city = city;
  }
}

/** Class to contain sample Account data. */
static class Account {

  final long id;
  final Timestamp createTime;
  final boolean isBlocked;
  final String nickName;

  Account(long id, Timestamp createTime, boolean isBlocked, String nickName) {
    this.id = id;
    this.createTime = createTime;
    this.isBlocked = isBlocked;
    this.nickName = nickName;
  }
}

/** Class to contain sample Transfer data. */
static class Transfer {

  final long id;
  final long toId;
  final double amount;
  final Timestamp createTime;
  final String orderNumber;

  Transfer(long id, long toId, double amount, Timestamp createTime, String orderNumber) {
    this.id = id;
    this.toId = toId;
    this.amount = amount;
    this.createTime = createTime;
    this.orderNumber = orderNumber;
  }
}

/** Class to contain sample Ownership data. */
static class Own {

  final long id;
  final long accountId;
  final Timestamp createTime;

  Own(long id, long accountId, Timestamp createTime) {
    this.id = id;
    this.accountId = accountId;
    this.createTime = createTime;
  }
}

static final List<Account> ACCOUNTS =
    Arrays.asList(
        new Account(
            7, Timestamp.parseTimestamp("2020-01-10T06:22:20.12Z"), false, "Vacation Fund"),
        new Account(
            16, Timestamp.parseTimestamp("2020-01-27T17:55:09.12Z"), true, "Vacation Fund"),
        new Account(
            20, Timestamp.parseTimestamp("2020-02-18T05:44:20.12Z"), false, "Rainy Day Fund"));

static final List<Person> PERSONS =
    Arrays.asList(
        new Person(
            1,
            "Alex",
            Timestamp.parseTimestamp("1991-12-21T00:00:00.12Z"),
            "Australia",
            " Adelaide"),
        new Person(
            2,
            "Dana",
            Timestamp.parseTimestamp("1980-10-31T00:00:00.12Z"),
            "Czech_Republic",
            "Moravia"),
        new Person(
            3, "Lee", Timestamp.parseTimestamp("1986-12-07T00:00:00.12Z"), "India", "Kollam"));

static final List<Transfer> TRANSFERS =
    Arrays.asList(
        new Transfer(
            7, 16, 300.0, Timestamp.parseTimestamp("2020-08-29T15:28:58.12Z"), "304330008004315"),
        new Transfer(
            7, 16, 100.0, Timestamp.parseTimestamp("2020-10-04T16:55:05.12Z"), "304120005529714"),
        new Transfer(
            16,
            20,
            300.0,
            Timestamp.parseTimestamp("2020-09-25T02:36:14.12Z"),
            "103650009791820"),
        new Transfer(
            20, 7, 500.0, Timestamp.parseTimestamp("2020-10-04T16:55:05.12Z"), "304120005529714"),
        new Transfer(
            20,
            16,
            200.0,
            Timestamp.parseTimestamp("2020-10-17T03:59:40.12Z"),
            "302290001255747"));

static final List<Own> OWNERSHIPS =
    Arrays.asList(
        new Own(1, 7, Timestamp.parseTimestamp("2020-01-10T06:22:20.12Z")),
        new Own(2, 20, Timestamp.parseTimestamp("2020-01-27T17:55:09.12Z")),
        new Own(3, 16, Timestamp.parseTimestamp("2020-02-18T05:44:20.12Z")));

static void insertData(DatabaseClient dbClient) {
  List<Mutation> mutations = new ArrayList<>();
  for (Account account : ACCOUNTS) {
    mutations.add(
        Mutation.newInsertBuilder("Account")
            .set("id")
            .to(account.id)
            .set("create_time")
            .to(account.createTime)
            .set("is_blocked")
            .to(account.isBlocked)
            .set("nick_name")
            .to(account.nickName)
            .build());
  }
  for (Person person : PERSONS) {
    mutations.add(
        Mutation.newInsertBuilder("Person")
            .set("id")
            .to(person.id)
            .set("name")
            .to(person.name)
            .set("birthday")
            .to(person.birthday)
            .set("country")
            .to(person.country)
            .set("city")
            .to(person.city)
            .build());
  }
  for (Transfer transfer : TRANSFERS) {
    mutations.add(
        Mutation.newInsertBuilder("AccountTransferAccount")
            .set("id")
            .to(transfer.id)
            .set("to_id")
            .to(transfer.toId)
            .set("amount")
            .to(transfer.amount)
            .set("create_time")
            .to(transfer.createTime)
            .set("order_number")
            .to(transfer.orderNumber)
            .build());
  }
  for (Own own : OWNERSHIPS) {
    mutations.add(
        Mutation.newInsertBuilder("PersonOwnAccount")
            .set("id")
            .to(own.id)
            .set("account_id")
            .to(own.accountId)
            .set("create_time")
            .to(own.createTime)
            .build());
  }

  dbClient.write(mutations);
}

Python

Para obtener información sobre cómo instalar y usar la biblioteca cliente de Spanner, consulta Bibliotecas cliente de Spanner.

def insert_data(instance_id, database_id):
    """Inserts sample data into the given database.

    The database and tables must already exist and can be created using
    `create_database_with_property_graph`.
    """
    spanner_client = spanner.Client()
    instance = spanner_client.instance(instance_id)
    database = instance.database(database_id)

    with database.batch() as batch:
        batch.insert(
            table="Account",
            columns=("id", "create_time", "is_blocked", "nick_name"),
            values=[
                (7, "2020-01-10T06:22:20.12Z", False, "Vacation Fund"),
                (16, "2020-01-27T17:55:09.12Z", True, "Vacation Fund"),
                (20, "2020-02-18T05:44:20.12Z", False, "Rainy Day Fund"),
            ],
        )

        batch.insert(
            table="Person",
            columns=("id", "name", "birthday", "country", "city"),
            values=[
                (1, "Alex", "1991-12-21T00:00:00.12Z", "Australia", " Adelaide"),
                (2, "Dana", "1980-10-31T00:00:00.12Z", "Czech_Republic", "Moravia"),
                (3, "Lee", "1986-12-07T00:00:00.12Z", "India", "Kollam"),
            ],
        )

        batch.insert(
            table="AccountTransferAccount",
            columns=("id", "to_id", "amount", "create_time", "order_number"),
            values=[
                (7, 16, 300.0, "2020-08-29T15:28:58.12Z", "304330008004315"),
                (7, 16, 100.0, "2020-10-04T16:55:05.12Z", "304120005529714"),
                (16, 20, 300.0, "2020-09-25T02:36:14.12Z", "103650009791820"),
                (20, 7, 500.0, "2020-10-04T16:55:05.12Z", "304120005529714"),
                (20, 16, 200.0, "2020-10-17T03:59:40.12Z", "302290001255747"),
            ],
        )

        batch.insert(
            table="PersonOwnAccount",
            columns=("id", "account_id", "create_time"),
            values=[
                (1, 7, "2020-01-10T06:22:20.12Z"),
                (2, 20, "2020-01-27T17:55:09.12Z"),
                (3, 16, "2020-02-18T05:44:20.12Z"),
            ],
        )

    print("Inserted data.")

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