Insert graph data

Insert data into a Spanner Graph.

Explore further

For detailed documentation that includes this code sample, see the following:

• Set up and query Spanner Graph

Code sample

C++

To learn how to install and use the client library for Spanner, see Spanner client libraries.

To authenticate to Spanner, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

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

To learn how to install and use the client library for Spanner, see Spanner client libraries.

To authenticate to Spanner, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

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

To learn how to install and use the client library for Spanner, see Spanner client libraries.

To authenticate to Spanner, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

/** 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

To learn how to install and use the client library for Spanner, see Spanner client libraries.

To authenticate to Spanner, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

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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