Debugging statistics from the execution of the query. Note that the
debugging stats are subject to change as Firestore evolves. It could
include:
{
"indexes_entries_scanned": "1000",
"documents_scanned": "20",
"billing_details" : {
"documents_billable": "20",
"index_entries_billable": "1000",
"min_query_cost": "0"
}
}
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eExecutionStats\u003c/code\u003e class in the Firestore v1 API provides execution statistics for a query, as documented across multiple versions from 2.3.0 up to the latest 3.10.0.\u003c/p\u003e\n"],["\u003cp\u003eThis class inherits from \u003ccode\u003eobject\u003c/code\u003e and implements \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, offering various functionalities like deep cloning and message handling.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eExecutionStats\u003c/code\u003e has properties to capture debugging statistics (\u003ccode\u003eDebugStats\u003c/code\u003e), query execution time (\u003ccode\u003eExecutionDuration\u003c/code\u003e), the number of billable read operations (\u003ccode\u003eReadOperations\u003c/code\u003e), and the total results returned (\u003ccode\u003eResultsReturned\u003c/code\u003e).\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of the API is 3.10.0 with a detailed listing of versions ranging from 3.10.0 all the way back to version 2.3.0.\u003c/p\u003e\n"],["\u003cp\u003eConstructor overloads are provided, allowing for the creation of an \u003ccode\u003eExecutionStats\u003c/code\u003e object from scratch or by copying an existing one.\u003c/p\u003e\n"]]],[],null,[]]