public async void ExecuteAsync_Batch()
{
// Generate 3 test users
var testUsers = Enumerable.Range(110, 3).Select(idx => new InsertUser
{
Id = Guid.NewGuid(),
Name = string.Format("Name {0}", idx),
Age = idx,
CreatedDate = TestDataGenerator.GetDateTimeInPast(idx),
IsActive = idx % 2 == 0,
LastLoginDate = TestDataGenerator.GetNullableDateTimeInPast(idx),
LoginHistory = TestDataGenerator.GetList(idx, TestDataGenerator.GetDateTimeInPast),
LuckyNumbers = TestDataGenerator.GetSet(idx, i => i),
ChildrenAges = TestDataGenerator.GetDictionary(idx, i => string.Format("Child {0}", i), i => i),
FavoriteColor = TestDataGenerator.GetEnumValue <RainbowColor>(idx),
TypeOfUser = TestDataGenerator.GetEnumValue <UserType?>(idx),
PreferredContact = TestDataGenerator.GetEnumValue <ContactMethod>(idx),
HairColor = TestDataGenerator.GetEnumValue <HairColor>(idx)
}).ToList();
// Create batch to insert users and execute
ICqlBatch batch = CqlClient.CreateBatch();
batch.Insert(testUsers[0]);
batch.Insert(testUsers[1]);
batch.Insert(testUsers[2]);
await CqlClient.ExecuteAsync(batch);
}
public async void ExecuteAsync_MixedBatch()
{
// Generate test user
const int idx = 21;
var testUser = new InsertUser
{
Id = Guid.NewGuid(),
Name = string.Format("Name {0}", idx),
Age = idx,
CreatedDate = TestDataGenerator.GetDateTimeInPast(idx),
IsActive = idx % 2 == 0,
LastLoginDate = TestDataGenerator.GetNullableDateTimeInPast(idx),
LoginHistory = TestDataGenerator.GetList(idx, TestDataGenerator.GetDateTimeInPast),
LuckyNumbers = TestDataGenerator.GetSet(idx, i => i),
ChildrenAges = TestDataGenerator.GetDictionary(idx, i => string.Format("Child {0}", i), i => i),
FavoriteColor = TestDataGenerator.GetEnumValue <RainbowColor>(idx),
TypeOfUser = TestDataGenerator.GetEnumValue <UserType?>(idx),
PreferredContact = TestDataGenerator.GetEnumValue <ContactMethod>(idx),
HairColor = TestDataGenerator.GetEnumValue <HairColor>(idx)
};
// Get id of existing user for deleting and updating
Guid deleteId = TestDataHelper.Users[2].UserId;
Guid updateId = TestDataHelper.Users[3].UserId;
// Create batch of mixed statements and execute
ICqlBatch batch = CqlClient.CreateBatch();
batch.Insert(testUser);
batch.Delete <InsertUser>("WHERE userid = ?", deleteId);
batch.Update <InsertUser>("SET name = ? WHERE userid = ?", "SomeNewName", updateId);
await CqlClient.ExecuteAsync(batch);
}
