Load data from Teradata
Stay organized with collections
Save and categorize content based on your preferences.
Schedule recurring load jobs from Teradata into BigQuery.
Explore further
For detailed documentation that includes this code sample, see the following:
Code sample
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[],[],null,["# Load data from Teradata\n\nSchedule recurring load jobs from Teradata into BigQuery.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Migrate schema and data from Teradata](/bigquery/docs/migration/teradata)\n\nCode sample\n-----------\n\n### Java\n\n\nBefore trying this sample, follow the Java setup instructions in the\n[BigQuery quickstart using\nclient libraries](/bigquery/docs/quickstarts/quickstart-client-libraries).\n\n\nFor more information, see the\n[BigQuery Java API\nreference documentation](/java/docs/reference/google-cloud-bigquery/latest/overview).\n\n\nTo authenticate to BigQuery, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for client libraries](/bigquery/docs/authentication#client-libs).\n\n import com.google.api.gax.rpc.https://cloud.google.com/java/docs/reference/gax/latest/com.google.api.gax.rpc.ApiException.html;\n import com.google.cloud.bigquery.datatransfer.v1.https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.CreateTransferConfigRequest.html;\n import com.google.cloud.bigquery.datatransfer.v1.https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.DataTransferServiceClient.html;\n import com.google.cloud.bigquery.datatransfer.v1.https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.ProjectName.html;\n import com.google.cloud.bigquery.datatransfer.v1.https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.TransferConfig.html;\n import com.google.protobuf.https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Struct.html;\n import com.google.protobuf.https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Value.html;\n import java.io.IOException;\n import java.util.HashMap;\n import java.util.Map;\n\n // Sample to create a teradata transfer config.\n public class CreateTeradataTransfer {\n\n public static void main(String[] args) throws IOException {\n // TODO(developer): Replace these variables before running the sample.\n final String projectId = \"MY_PROJECT_ID\";\n String datasetId = \"MY_DATASET_ID\";\n String databaseType = \"Teradata\";\n String bucket = \"cloud-sample-data\";\n String databaseName = \"MY_DATABASE_NAME\";\n String tableNamePatterns = \"*\";\n String serviceAccount = \"MY_SERVICE_ACCOUNT\";\n String schemaFilePath = \"/your-schema-path\";\n Map\u003cString, Value\u003e params = new HashMap\u003c\u003e();\n params.put(\"database_type\", https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Value.html.newBuilder().setStringValue(databaseType).build());\n params.put(\"bucket\", https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Value.html.newBuilder().setStringValue(bucket).build());\n params.put(\"database_name\", https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Value.html.newBuilder().setStringValue(databaseName).build());\n params.put(\"table_name_patterns\", https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Value.html.newBuilder().setStringValue(tableNamePatterns).build());\n params.put(\"agent_service_account\", https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Value.html.newBuilder().setStringValue(serviceAccount).build());\n params.put(\"schema_file_path\", https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Value.html.newBuilder().setStringValue(schemaFilePath).build());\n https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.TransferConfig.html transferConfig =\n https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.TransferConfig.html.newBuilder()\n .setDestinationDatasetId(datasetId)\n .setDisplayName(\"Your Teradata Config Name\")\n .setDataSourceId(\"on_premises\")\n .setParams(https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Struct.html.newBuilder().https://cloud.google.com/java/docs/reference/protobuf/latest/com.google.protobuf.Struct.Builder.html#com_google_protobuf_Struct_Builder_putAllFields_java_util_Map_java_lang_String_com_google_protobuf_Value__(params).build())\n .setSchedule(\"every 24 hours\")\n .build();\n createTeradataTransfer(projectId, transferConfig);\n }\n\n public static void createTeradataTransfer(String projectId, https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.TransferConfig.html transferConfig)\n throws IOException {\n try (https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.DataTransferServiceClient.html client = https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.DataTransferServiceClient.html.create()) {\n https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.ProjectName.html parent = https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.ProjectName.html.of(projectId);\n https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.CreateTransferConfigRequest.html request =\n https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.CreateTransferConfigRequest.html.newBuilder()\n .setParent(parent.https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.ProjectName.html#com_google_cloud_bigquery_datatransfer_v1_ProjectName_toString__())\n .setTransferConfig(transferConfig)\n .build();\n https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.TransferConfig.html config = client.createTransferConfig(request);\n System.out.println(\"Cloud teradata transfer created successfully :\" + config.https://cloud.google.com/java/docs/reference/google-cloud-bigquerydatatransfer/latest/com.google.cloud.bigquery.datatransfer.v1.TransferConfig.html#com_google_cloud_bigquery_datatransfer_v1_TransferConfig_getName__());\n } catch (https://cloud.google.com/java/docs/reference/gax/latest/com.google.api.gax.rpc.ApiException.html ex) {\n System.out.print(\"Cloud teradata transfer was not created.\" + ex.toString());\n }\n }\n }\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=bigquerydatatransfer)."]]