[[["Fácil de comprender","easyToUnderstand","thumb-up"],["Resolvió mi problema","solvedMyProblem","thumb-up"],["Otro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Información o código de muestra incorrectos","incorrectInformationOrSampleCode","thumb-down"],["Faltan la información o los ejemplos que necesito","missingTheInformationSamplesINeed","thumb-down"],["Problema de traducción","translationIssue","thumb-down"],["Otro","otherDown","thumb-down"]],["Última actualización: 2025-09-08 (UTC)"],[[["\u003cp\u003ePre-GA products and features are subject to the "Pre-GA Offerings Terms" and are provided "as is" with potentially limited support.\u003c/p\u003e\n"],["\u003cp\u003eThe Query Explain feature is for ad hoc analysis, with its report format and returned metrics subject to change as Datastore mode evolves.\u003c/p\u003e\n"],["\u003cp\u003ePlan records from Query Explain detail indexes used, which are subject to change.\u003c/p\u003e\n"],["\u003cp\u003eExecution statistics provide metrics like results returned, execution duration, and read operations, with the debug statistics details subject to change.\u003c/p\u003e\n"],["\u003cp\u003eThe debug statistics returned from the Query Explain provide further information such as index entries scanned, documents scanned, and billing details, which are subject to change.\u003c/p\u003e\n"]]],[],null,["# Query Explain report reference\n\n| **Preview**\n|\n|\n| This product or feature is subject to the \"Pre-GA Offerings Terms\" in the General Service Terms section\n| of the [Service Specific Terms](/terms/service-terms#1).\n|\n| Pre-GA products and features are available \"as is\" and might have limited support.\n|\n| For more information, see the\n| [launch stage descriptions](/products#product-launch-stages).\n\nThe following values are returned as results to operations performed with\n[Query Explain](/datastore/docs/query-explain-analyze).\n| **Note:** The Query Explain is designed for useful ad hoc analysis; its report format will evolve to maximize ease of reading and understanding, not suitability for machine processing. The returned metrics are expected to change as Datastore mode evolves (metrics may be added, removed, or updated) and are not covered by the same deprecation policy as other Firestore APIs. See the tables below for more information about stability\n\nPlan records\n------------\n\n### Indexes used\n\nThe contents of indexes used are subject to change as Datastore mode evolves.\n\nExecution statistics\n--------------------\n\nAggregated execution statistics for the query.\n\n### Debug statistics\n\nThe following results are helpful for debugging use cases and analysis of raw,\noptional statistics.\n\nThe contents of debug stats are subject to change as Datastore mode evolves.\n\nWhat's next\n-----------\n\n- [Learn more about running queries with explain and analyze](/datastore/docs/query-explain-analyze)\n- [Learn more about optimizing queries and indexes](/datastore/docs/concepts/optimize-indexes)"]]
