Exemples de requêtes de tag d'index fusionné Datastore
Restez organisé à l'aide des collections
Enregistrez et classez les contenus selon vos préférences.
Exemples de requêtes de tags d'index fusionnés Datastore
En savoir plus
Pour obtenir une documentation détaillée incluant cet exemple de code, consultez les articles suivants :
Exemple de code
Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
[[["Facile à comprendre","easyToUnderstand","thumb-up"],["J'ai pu résoudre mon problème","solvedMyProblem","thumb-up"],["Autre","otherUp","thumb-up"]],[["Difficile à comprendre","hardToUnderstand","thumb-down"],["Informations ou exemple de code incorrects","incorrectInformationOrSampleCode","thumb-down"],["Il n'y a pas l'information/les exemples dont j'ai besoin","missingTheInformationSamplesINeed","thumb-down"],["Problème de traduction","translationIssue","thumb-down"],["Autre","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis content provides examples of merged index tag queries within the Google Cloud Datastore.\u003c/p\u003e\n"],["\u003cp\u003eThe examples use the Python client library to query "Photo" kind entities based on multiple tag filters, such as "family", "outside", and "camping".\u003c/p\u003e\n"],["\u003cp\u003eIt demonstrates how to combine different filters, including owner ID, size, and coloration, alongside multiple tag filters in a single query.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication to Datastore mode is required using Application Default Credentials and can be set up according to the instructions in the provided documentation.\u003c/p\u003e\n"]]],[],null,["# Example datastore merged index tag queries\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Optimizing Indexes](/datastore/docs/concepts/optimize-indexes)\n\nCode sample\n-----------\n\n### Python\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 Python API\nreference documentation](https://cloud.google.com/python/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 from google.cloud import https://cloud.google.com/python/docs/reference/datastore/latest/\n\n # For help authenticating your client, visit\n # https://cloud.google.com/docs/authentication/getting-started\n client = https://cloud.google.com/python/docs/reference/datastore/latest/.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.client.Client.html()\n\n query_tag = client.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.client.Client.html#google_cloud_datastore_client_Client_query(\n kind=\"Photo\",\n filters=[\n (\"tag\", \"=\", \"family\"),\n (\"tag\", \"=\", \"outside\"),\n (\"tag\", \"=\", \"camping\"),\n ],\n )\n\n query_owner_size_color_tags = client.https://cloud.google.com/python/docs/reference/datastore/latest/google.cloud.datastore.client.Client.html#google_cloud_datastore_client_Client_query(\n kind=\"Photo\",\n filters=[\n (\"owner_id\", \"=\", \"user1234\"),\n (\"size\", \"=\", 2),\n (\"coloration\", \"=\", 2),\n (\"tag\", \"=\", \"family\"),\n (\"tag\", \"=\", \"outside\"),\n (\"tag\", \"=\", \"camping\"),\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)."]]