Insert rows with no IDs

Insert rows without row IDs in a table.

Explore further

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

• Use the legacy streaming API

Code sample

Java

Before trying this sample, follow the Java setup instructions in the BigQuery quickstart using client libraries. For more information, see the BigQuery Java API reference documentation.

To authenticate to BigQuery, set up Application Default Credentials. For more information, see Set up authentication for client libraries.

import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQueryError;
import com.google.cloud.bigquery.BigQueryException;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.InsertAllRequest;
import com.google.cloud.bigquery.InsertAllResponse;
import com.google.cloud.bigquery.TableId;
import com.google.common.collect.ImmutableList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

// Sample to insert rows without row ids in a table
public class TableInsertRowsWithoutRowIds {

  public static void main(String[] args) {
    // TODO(developer): Replace these variables before running the sample.
    String datasetName = "MY_DATASET_NAME";
    String tableName = "MY_TABLE_NAME";
    tableInsertRowsWithoutRowIds(datasetName, tableName);
  }

  public static void tableInsertRowsWithoutRowIds(String datasetName, String tableName) {
    try {
      // Initialize client that will be used to send requests. This client only needs to be created
      // once, and can be reused for multiple requests.
      final BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService();
      // Create rows to insert
      Map<String, Object> rowContent1 = new HashMap<>();
      rowContent1.put("stringField", "Phred Phlyntstone");
      rowContent1.put("numericField", 32);
      Map<String, Object> rowContent2 = new HashMap<>();
      rowContent2.put("stringField", "Wylma Phlyntstone");
      rowContent2.put("numericField", 29);
      InsertAllResponse response =
          bigquery.insertAll(
              InsertAllRequest.newBuilder(TableId.of(datasetName, tableName))
                  // No row ids disable de-duplication, and also disable the retries in the Java
                  // library.
                  .setRows(
                      ImmutableList.of(
                          InsertAllRequest.RowToInsert.of(rowContent1),
                          InsertAllRequest.RowToInsert.of(rowContent2)))
                  .build());

      if (response.hasErrors()) {
        // If any of the insertions failed, this lets you inspect the errors
        for (Map.Entry<Long, List<BigQueryError>> entry : response.getInsertErrors().entrySet()) {
          System.out.println("Response error: \n" + entry.getValue());
        }
      }
      System.out.println("Rows successfully inserted into table without row ids");
    } catch (BigQueryException e) {
      System.out.println("Insert operation not performed \n" + e.toString());
    }
  }
}

PHP

Before trying this sample, follow the PHP setup instructions in the BigQuery quickstart using client libraries. For more information, see the BigQuery PHP API reference documentation.

To authenticate to BigQuery, set up Application Default Credentials. For more information, see Set up authentication for client libraries.

use Google\Cloud\BigQuery\BigQueryClient;

/**
 * Insert rows into the given table with explicitly giving row ids.
 *
 * @param string $projectId The project Id of your Google Cloud Project.
 * @param string $datasetId The BigQuery dataset ID.
 * @param string $tableId The BigQuery table ID.
 * @param string $rowData1 Json encoded data to insert.
 * @param string $rowData2 Json encoded data to insert. For eg,
 *    $rowData1 = json_encode([
 *        "field1" => "value1",
 *        "field2" => "value2"
 *    ]);
 *    $rowData2 = json_encode([
 *        "field1" => "value1",
 *        "field2" => "value2"
 *    ]);
 */
function table_insert_rows_explicit_none_insert_ids(
    string $projectId,
    string $datasetId,
    string $tableId,
    string $rowData1,
    string $rowData2
): void {
    $bigQuery = new BigQueryClient([
        'projectId' => $projectId,
    ]);
    $dataset = $bigQuery->dataset($datasetId);
    $table = $dataset->table($tableId);

    $rowData1 = json_decode($rowData1, true);
    $rowData2 = json_decode($rowData2, true);
    // Omitting insert Id's in following rows.
    $rows = [
        ['data' => $rowData1],
        ['data' => $rowData2]
    ];
    $insertResponse = $table->insertRows($rows);

    if ($insertResponse->isSuccessful()) {
        printf('Rows successfully inserted into table without insert ids' . PHP_EOL);
    } else {
        foreach ($insertResponse->failedRows() as $row) {
            foreach ($row['errors'] as $error) {
                printf('%s: %s' . PHP_EOL, $error['reason'], $error['message']);
            }
        }
    }
}

Python

Before trying this sample, follow the Python setup instructions in the BigQuery quickstart using client libraries. For more information, see the BigQuery Python API reference documentation.

To authenticate to BigQuery, set up Application Default Credentials. For more information, see Set up authentication for client libraries.

from google.cloud import bigquery

# Construct a BigQuery client object.
client = bigquery.Client()

# TODO(developer): Set table_id to the ID of table to append to.
# table_id = "your-project.your_dataset.your_table"

rows_to_insert = [
    {"full_name": "Phred Phlyntstone", "age": 32},
    {"full_name": "Wylma Phlyntstone", "age": 29},
]

errors = client.insert_rows_json(
    table_id, rows_to_insert, row_ids=[None] * len(rows_to_insert)
)  # Make an API request.
if errors == []:
    print("New rows have been added.")
else:
    print("Encountered errors while inserting rows: {}".format(errors))

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