Merge datastore entity
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Merge datastore entity
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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"]],[],[[["\u003cp\u003eThis document provides a code sample demonstrating how to merge a datastore entity using Node.js.\u003c/p\u003e\n"],["\u003cp\u003eThe code updates the description field of a specified task entity in the datastore.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication to the Datastore mode is done using Application Default Credentials.\u003c/p\u003e\n"],["\u003cp\u003eThe datastore client library for Node.js must be installed and used.\u003c/p\u003e\n"],["\u003cp\u003eFurther information regarding the Node.js API and other product samples can be found on the respective reference documentations and sample browser.\u003c/p\u003e\n"]]],[],null,["# Merge datastore entity\n\nCode sample\n-----------\n\n### Node.js\n\n\nTo learn how to install and use the client library for Datastore mode, see\n[Datastore mode client libraries](/datastore/docs/reference/libraries).\n\n\nFor more information, see the\n[Datastore mode Node.js API\nreference documentation](https://cloud.google.com/nodejs/docs/reference/datastore/latest).\n\n\nTo authenticate to Datastore mode, 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 async function merge(taskId, description) {\n const taskKey = datastore.key(['Task', taskId]);\n const task = {\n description,\n };\n try {\n await datastore.merge({\n key: taskKey,\n data: task,\n });\n console.log(`Task ${taskId} description updated successfully.`);\n } catch (err) {\n console.error('ERROR:', err);\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=datastore)."]]
