Eseguire un'operazione di scrittura semplice (HBase)
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Esecuzione di una chiamata API di scrittura semplice: MutateRow. Assicurati che gli esempi utilizzino più SetCells (mutazioni).
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Per la documentazione dettagliata che include questo esempio di codice, vedi quanto segue:
Esempio di codice
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[[["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 demonstrates a simple write operation to a Bigtable table using the \u003ccode\u003eMutateRow\u003c/code\u003e API call.\u003c/p\u003e\n"],["\u003cp\u003eThe example uses the Java client library to connect to Bigtable and perform a write operation with the \u003ccode\u003ePut\u003c/code\u003e method.\u003c/p\u003e\n"],["\u003cp\u003eThe code example sets multiple cell values, including \u003ccode\u003econnected_cell\u003c/code\u003e, \u003ccode\u003econnected_wifi\u003c/code\u003e, and \u003ccode\u003eos_build\u003c/code\u003e, within the \u003ccode\u003estats_summary\u003c/code\u003e column family for a single row.\u003c/p\u003e\n"],["\u003cp\u003eApplication Default Credentials are required to authenticate to Bigtable, and the document provides links for authentication setup and Bigtable client libraries installation.\u003c/p\u003e\n"],["\u003cp\u003eThe complete code sample demonstrates writing a single row with multiple columns to a Bigtable table, providing a practical example for getting started.\u003c/p\u003e\n"]]],[],null,["Performing a simple write API call: MutateRow. Make sure samples use multiple SetCells (mutations).\n\nExplore further\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Write examples](/bigtable/docs/writing-data)\n\nCode sample \n\nJava\n\n\nTo learn how to install and use the client library for Bigtable, see\n[Bigtable client libraries](/bigtable/docs/reference/libraries).\n\n\nTo authenticate to Bigtable, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n\n import com.google.cloud.bigtable.hbase.BigtableConfiguration;\n import org.apache.hadoop.hbase.TableName;\n import org.apache.hadoop.hbase.client.Connection;\n import org.apache.hadoop.hbase.client.Put;\n import org.apache.hadoop.hbase.client.Table;\n import org.apache.hadoop.hbase.util.Bytes;\n\n public class WriteSimple {\n\n private static final byte[] COLUMN_FAMILY_NAME = Bytes.toBytes(\"stats_summary\");\n\n public static void writeSimple(String projectId, String instanceId, String tableId) {\n // String projectId = \"my-project-id\";\n // String instanceId = \"my-instance-id\";\n // String tableId = \"mobile-time-series\";\n\n try (Connection connection = BigtableConfiguration.connect(projectId, instanceId)) {\n final Table table = connection.getTable(TableName.valueOf(Bytes.toBytes(tableId)));\n long timestamp = System.currentTimeMillis();\n byte[] one = new byte[]{0, 0, 0, 0, 0, 0, 0, 1};\n\n String rowKey = \"phone#4c410523#20190501\";\n Put put = new Put(Bytes.toBytes(rowKey));\n\n put.addColumn(COLUMN_FAMILY_NAME, Bytes.toBytes(\"connected_cell\"), timestamp, one);\n put.addColumn(COLUMN_FAMILY_NAME, Bytes.toBytes(\"connected_wifi\"), timestamp, one);\n put.addColumn(\n COLUMN_FAMILY_NAME,\n Bytes.toBytes(\"os_build\"),\n timestamp,\n Bytes.toBytes(\"PQ2A.190405.003\"));\n table.put(put);\n\n System.out.printf(\"Successfully wrote row %s\", rowKey);\n\n } catch (Exception e) {\n System.out.println(\"Error during WriteSimple: \\n\" + e.toString());\n }\n }\n }\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=bigtable)."]]