Load data from Teradata
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Schedule recurring load jobs from Teradata into BigQuery.
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For detailed documentation that includes this code sample, see the following:
Code sample
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[[["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)."]]
