工程開發 Engineering > :cow: 後端架構 Back-End Stack > 過濾資料 Filtering and Querying

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Cloud Firestore


// Create a reference to the cities collection
var citiesRef = db.collection("cities");

// Create a query against the collection.
var query = citiesRef.where("state", "==", "CA");

// Returns all the capital cities:
var query = citiesRef.where("capital", "==", true);

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