Modell löschen
Mit Sammlungen den Überblick behalten
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Modell aus einem Dataset löschen.
Weitere Informationen
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Codebeispiel
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[[["Leicht verständlich","easyToUnderstand","thumb-up"],["Mein Problem wurde gelöst","solvedMyProblem","thumb-up"],["Sonstiges","otherUp","thumb-up"]],[["Schwer verständlich","hardToUnderstand","thumb-down"],["Informationen oder Beispielcode falsch","incorrectInformationOrSampleCode","thumb-down"],["Benötigte Informationen/Beispiele nicht gefunden","missingTheInformationSamplesINeed","thumb-down"],["Problem mit der Übersetzung","translationIssue","thumb-down"],["Sonstiges","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis document provides code samples and instructions for deleting a model from a BigQuery dataset.\u003c/p\u003e\n"],["\u003cp\u003eThe provided code examples demonstrate how to delete a model using the BigQuery client libraries in Go, Java, Node.js, and Python.\u003c/p\u003e\n"],["\u003cp\u003eBefore running the code samples, users need to set up Application Default Credentials for authentication and follow the quickstart instructions for their chosen language.\u003c/p\u003e\n"],["\u003cp\u003eThe document links to more in-depth documentation for model deletion and language-specific BigQuery API references.\u003c/p\u003e\n"],["\u003cp\u003eThe content also includes a link to the Google Cloud sample browser to find more examples for other Google Cloud products.\u003c/p\u003e\n"]]],[],null,["# Delete a model from a dataset.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Delete models](/bigquery/docs/deleting-models)\n\nCode sample\n-----------\n\n### Go\n\n\nBefore trying this sample, follow the Go 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 Go API\nreference documentation](https://godoc.org/cloud.google.com/go/bigquery).\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 (\n \t\"context\"\n \t\"fmt\"\n\n \t\"cloud.google.com/go/bigquery\"\n )\n\n // deleteModel demonstrates deletion of BigQuery ML model.\n func deleteModel(projectID, datasetID, modelID string) error {\n \t// projectID := \"my-project-id\"\n \t// datasetID := \"mydataset\"\n \t// modelID := \"mymodel\"\n \tctx := context.Background()\n \tclient, err := bigquery.NewClient(ctx, projectID)\n \tif err != nil {\n \t\treturn fmt.Errorf(\"bigquery.NewClient: %w\", err)\n \t}\n \tdefer client.Close()\n\n \tmodel := client.Dataset(datasetID).Model(modelID)\n \tif err := model.Delete(ctx); err != nil {\n \t\treturn fmt.Errorf(\"couldn't delete model: %w\", err)\n \t}\n \treturn nil\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.cloud.bigquery.https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.BigQuery.html;\n import com.google.cloud.bigquery.https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.BigQueryException.html;\n import com.google.cloud.bigquery.https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.BigQueryOptions.html;\n import com.google.cloud.bigquery.https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.ModelId.html;\n\n // Sample to delete a model\n public class DeleteModel {\n\n public static void main(String[] args) {\n // TODO(developer): Replace these variables before running the sample.\n String datasetName = \"MY_DATASET_NAME\";\n String modelName = \"MY_MODEL_NAME\";\n deleteModel(datasetName, modelName);\n }\n\n public static void deleteModel(String datasetName, String modelName) {\n try {\n // Initialize client that will be used to send requests. This client only needs to be created\n // once, and can be reused for multiple requests.\n https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.BigQuery.html bigquery = https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.BigQueryOptions.html.getDefaultInstance().getService();\n boolean success = bigquery.https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.BigQuery.html#com_google_cloud_bigquery_BigQuery_delete_com_google_cloud_bigquery_DatasetId_com_google_cloud_bigquery_BigQuery_DatasetDeleteOption____(ModelId.of(datasetName, modelName));\n if (success) {\n System.out.println(\"Model deleted successfully\");\n } else {\n System.out.println(\"Model was not found\");\n }\n } catch (https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.BigQueryException.html e) {\n System.out.println(\"Model was not deleted. \\n\" + e.toString());\n }\n }\n }\n\n### Node.js\n\n\nBefore trying this sample, follow the Node.js 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 Node.js API\nreference documentation](https://googleapis.dev/nodejs/bigquery/latest/index.html).\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 the Google Cloud client library\n const {BigQuery} = require('https://cloud.google.com/nodejs/docs/reference/bigquery/latest/overview.html');\n const bigquery = new https://cloud.google.com/nodejs/docs/reference/bigquery/latest/bigquery/bigquery.html();\n\n async function deleteModel() {\n // Deletes a model named \"my_model\" from \"my_dataset\".\n\n /**\n * TODO(developer): Uncomment the following lines before running the sample\n */\n // const datasetId = \"my_dataset\";\n // const modelId = \"my_model\";\n\n const dataset = bigquery.dataset(datasetId);\n const model = dataset.https://cloud.google.com/nodejs/docs/reference/bigquery/latest/bigquery/dataset.html(modelId);\n await https://cloud.google.com/nodejs/docs/reference/bigquery/latest/bigquery/dataset.html.delete();\n\n console.log(`Model ${modelId} deleted.`);\n }\n\n### Python\n\n\nBefore trying this sample, follow the Python 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 Python API\nreference documentation](/python/docs/reference/bigquery/latest).\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\n from google.cloud import https://cloud.google.com/python/docs/reference/bigquery/latest/\n\n # Construct a BigQuery client object.\n client = https://cloud.google.com/python/docs/reference/bigquery/latest/.https://cloud.google.com/python/docs/reference/bigquery/latest/google.cloud.bigquery.client.Client.html()\n\n # TODO(developer): Set model_id to the ID of the model to fetch.\n # model_id = 'your-project.your_dataset.your_model'\n\n client.https://cloud.google.com/python/docs/reference/bigquery/latest/google.cloud.bigquery.client.Client.html#google_cloud_bigquery_client_Client_delete_model(model_id) # Make an API request.\n\n print(\"Deleted model '{}'.\".format(model_id))\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=bigquery)."]]