Recupera le proprietà del job
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Recupera le proprietà di un job per un determinato ID job.
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Per la documentazione dettagliata che include questo esempio di codice, vedi quanto segue:
Esempio di codice
Salvo quando diversamente specificato, i contenuti di questa pagina sono concessi in base alla licenza Creative Commons Attribution 4.0, mentre gli esempi di codice sono concessi in base alla licenza Apache 2.0. Per ulteriori dettagli, consulta le norme del sito di Google Developers. Java è un marchio registrato di Oracle e/o delle sue consociate.
[[["Facile da capire","easyToUnderstand","thumb-up"],["Il problema è stato risolto","solvedMyProblem","thumb-up"],["Altra","otherUp","thumb-up"]],[["Difficile da capire","hardToUnderstand","thumb-down"],["Informazioni o codice di esempio errati","incorrectInformationOrSampleCode","thumb-down"],["Mancano le informazioni o gli esempi di cui ho bisogno","missingTheInformationSamplesINeed","thumb-down"],["Problema di traduzione","translationIssue","thumb-down"],["Altra","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis content provides code samples in Go, Java, Node.js, and Python to retrieve job properties by job ID in Google BigQuery.\u003c/p\u003e\n"],["\u003cp\u003eEach code sample includes instructions on how to set up authentication using Application Default Credentials and links to relevant API reference documentation.\u003c/p\u003e\n"],["\u003cp\u003eThe Go code sample demonstrates how to obtain a job's status, creation time, and current state (Pending, Running, or Done).\u003c/p\u003e\n"],["\u003cp\u003eThe provided samples allow developers to effectively monitor job completion and gain metadata insights.\u003c/p\u003e\n"],["\u003cp\u003eA link to the Google Cloud sample browser is included for finding code samples for other Google Cloud products.\u003c/p\u003e\n"]]],[],null,["Retrieve the properties of a job for a given job ID.\n\nExplore further\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Manage jobs](/bigquery/docs/managing-jobs)\n\nCode sample \n\nGo\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 \t\"io\"\n\n \t\"cloud.google.com/go/bigquery\"\n )\n\n // getJobInfo demonstrates retrieval of a job, which can be used to monitor\n // completion or print metadata about the job.\n func getJobInfo(w io.Writer, projectID, jobID string) error {\n \t// projectID := \"my-project-id\"\n \t// jobID := \"my-job-id\"\n \tctx := context.Background()\n\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 \tjob, err := client.https://cloud.google.com/go/docs/reference/cloud.google.com/go/bigquery/latest/index.html#cloud_google_com_go_bigquery_Client_JobFromID(ctx, jobID)\n \tif err != nil {\n \t\treturn err\n \t}\n\n \tstatus := job.https://cloud.google.com/go/docs/reference/cloud.google.com/go/bigquery/latest/index.html#cloud_google_com_go_bigquery_Job_LastStatus()\n \tstate := \"Unknown\"\n \tswitch status.https://cloud.google.com/go/docs/reference/cloud.google.com/go/bigquery/latest/index.html#cloud_google_com_go_bigquery_State {\n \tcase bigquery.https://cloud.google.com/go/docs/reference/cloud.google.com/go/bigquery/latest/index.html#cloud_google_com_go_bigquery_StateUnspecified_Pending_Running_Done:\n \t\tstate = \"Pending\"\n \tcase bigquery.https://cloud.google.com/go/docs/reference/cloud.google.com/go/bigquery/latest/index.html#cloud_google_com_go_bigquery_StateUnspecified_Pending_Running_Done:\n \t\tstate = \"Running\"\n \tcase bigquery.https://cloud.google.com/go/docs/reference/cloud.google.com/go/bigquery/latest/index.html#cloud_google_com_go_bigquery_StateUnspecified_Pending_Running_Done:\n \t\tstate = \"Done\"\n \t}\n \tfmt.Fprintf(w, \"Job %s was created %v and is in state %s\\n\",\n \t\tjobID, status.https://cloud.google.com/go/docs/reference/cloud.google.com/go/bigquery/latest/index.html#cloud_google_com_go_bigquery_Statistics.CreationTime, state)\n \treturn nil\n }\n\nJava\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.Job.html;\n import com.google.cloud.bigquery.https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.JobId.html;\n\n // Sample to get a job\n public class GetJob {\n\n public static void main(String[] args) {\n // TODO(developer): Replace these variables before running the sample.\n String jobName = \"MY_JOB_NAME\";\n getJob(jobName);\n }\n\n public static void getJob(String jobName) {\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\n https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.JobId.html jobId = https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.JobId.html.of(jobName);\n https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.Job.html job = bigquery.https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.BigQuery.html#com_google_cloud_bigquery_BigQuery_getJob_com_google_cloud_bigquery_JobId_com_google_cloud_bigquery_BigQuery_JobOption____(jobId);\n System.out.println(\"Job retrieved successfully\");\n } catch (https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.BigQueryException.html e) {\n System.out.println(\"Job not retrieved. \\n\" + e.toString());\n }\n }\n }\n\nNode.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 getJob() {\n // Get job properties.\n\n /**\n * TODO(developer): Uncomment the following lines before running the sample.\n */\n // const jobId = \"existing-job-id\";\n\n // Create a job reference\n const job = bigquery.https://cloud.google.com/nodejs/docs/reference/bigquery/latest/bigquery/bigquery.html(jobId);\n\n // Retrieve job\n const [jobResult] = await https://cloud.google.com/nodejs/docs/reference/bigquery/latest/bigquery/bigquery.html.get();\n\n console.log(jobResult.metadata.jobReference);\n }\n\nPython\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 from google.cloud import https://cloud.google.com/python/docs/reference/bigquery/latest/\n\n\n def get_job(\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 location: str = \"us\",\n job_id: str = \"abcd-efgh-ijkl-mnop\",\n ) -\u003e None:\n job = client.https://cloud.google.com/python/docs/reference/bigquery/latest/google.cloud.bigquery.client.Client.html#google_cloud_bigquery_client_Client_get_job(job_id, location=location)\n\n # All job classes have \"location\" and \"job_id\" string properties.\n # Use these properties for job operations such as \"cancel_job\" and\n # \"delete_job\".\n print(f\"{https://cloud.google.com/python/docs/reference/bigquery/latest/google.cloud.bigquery.job.html.location}:{https://cloud.google.com/python/docs/reference/bigquery/latest/google.cloud.bigquery.job.html.job_id}\")\n print(f\"Type: {https://cloud.google.com/python/docs/reference/bigquery/latest/google.cloud.bigquery.job.html.job_type}\")\n print(f\"State: {https://cloud.google.com/python/docs/reference/bigquery/latest/google.cloud.bigquery.job.html.state}\")\n print(f\"Created: {https://cloud.google.com/python/docs/reference/bigquery/latest/google.cloud.bigquery.job.html.created.isoformat()}\")\n\nWhat's next\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=bigquery)."]]