public void Equality_CollectionGroup()
{
EqualityTester.AssertEqual(s_db.CollectionGroup("col"),
equal: new[] { s_db.CollectionGroup("col") },
unequal: new[] { s_db.Collection("col") }
);
}
private static async Task CollectionGroupQuery(string project)
{
FirestoreDb db = FirestoreDb.Create(project);
CollectionReference citiesRef = db.Collection("cities");
// [START fs_collection_group_query_data_setup]
await citiesRef.Document("SF").Collection("landmarks").Document()
.CreateAsync(new { Name = "Golden Gate Bridge", Type = "bridge" });
await citiesRef.Document("SF").Collection("landmarks").Document()
.CreateAsync(new { Name = "Legion of Honor", Type = "museum" });
await citiesRef.Document("LA").Collection("landmarks").Document()
.CreateAsync(new { Name = "Griffith Park", Type = "park" });
await citiesRef.Document("DC").Collection("landmarks").Document()
.CreateAsync(new { Name = "Lincoln Memorial", Type = "memorial" });
await citiesRef.Document("DC").Collection("landmarks").Document()
.CreateAsync(new { Name = "National Air And Space Museum", Type = "museum" });
await citiesRef.Document("TOK").Collection("landmarks").Document()
.CreateAsync(new { Name = "Ueno Park", Type = "park" });
await citiesRef.Document("TOK").Collection("landmarks").Document()
.CreateAsync(new { Name = "National Museum of Nature and Science", Type = "museum" });
await citiesRef.Document("BJ").Collection("landmarks").Document()
.CreateAsync(new { Name = "Jingshan Park", Type = "park" });
await citiesRef.Document("BJ").Collection("landmarks").Document()
.CreateAsync(new { Name = "Beijing Ancient Observatory", Type = "museum" });
// [END fs_collection_group_query_data_setup]
// [START fs_collection_group_query]
Query museums = db.CollectionGroup("landmarks").WhereEqualTo("Type", "museum");
QuerySnapshot querySnapshot = await museums.GetSnapshotAsync();
foreach (DocumentSnapshot document in querySnapshot.Documents)
{
Console.WriteLine($"{document.Reference.Path}: {document.GetValue<string>("Name")}");
}
// [END fs_collection_group_query]
}