public async Task CreateIfNotExists()
{
// Call CreateIfNotExists when the table already exists.
Assert.That(async() => await CosmosThrottleWrapper(async() => await client.CreateIfNotExistsAsync().ConfigureAwait(false)), Throws.Nothing);
// Call CreateIfNotExists when the table does not already exist.
var newTableName = Recording.GenerateAlphaNumericId("testtable", useOnlyLowercase: true);
TableItem table;
TableClient tableClient = null;
try
{
tableClient = service.GetTableClient(newTableName);
table = await CosmosThrottleWrapper(async() => await tableClient.CreateIfNotExistsAsync().ConfigureAwait(false));
}
finally
{
await tableClient.DeleteAsync().ConfigureAwait(false);
}
Assert.That(table.TableName, Is.EqualTo(newTableName));
}
public async Task TransactionalBatchAsync()
{
string storageUri = StorageUri;
string accountName = StorageAccountName;
string storageAccountKey = PrimaryStorageAccountKey;
string tableName = "OfficeSuppliesBatch";
string partitionKey = "BatchInsertSample";
var serviceClient = new TableServiceClient(
new Uri(storageUri),
new TableSharedKeyCredential(accountName, storageAccountKey));
await serviceClient.CreateTableAsync(tableName);
TableClient client = serviceClient.GetTableClient(tableName);
#region Snippet:BatchAdd
// Create a list of 5 entities with the same partition key.
#if SNIPPET
string partitionKey = "BatchInsertSample";
#endif
List <TableEntity> entityList = new List <TableEntity>
{
new TableEntity(partitionKey, "01")
{
{ "Product", "Marker" },
{ "Price", 5.00 },
{ "Brand", "Premium" }
},
new TableEntity(partitionKey, "02")
{
{ "Product", "Pen" },
{ "Price", 3.00 },
{ "Brand", "Premium" }
},
new TableEntity(partitionKey, "03")
{
{ "Product", "Paper" },
{ "Price", 0.10 },
{ "Brand", "Premium" }
},
new TableEntity(partitionKey, "04")
{
{ "Product", "Glue" },
{ "Price", 1.00 },
{ "Brand", "Generic" }
},
};
// Create the batch.
List <TableTransactionAction> addEntitiesBatch = new List <TableTransactionAction>();
// Add the entities to be added to the batch.
addEntitiesBatch.AddRange(entityList.Select(e => new TableTransactionAction(TableTransactionActionType.Add, e)));
// Submit the batch.
Response <IReadOnlyList <Response> > response = await client.SubmitTransactionAsync(addEntitiesBatch).ConfigureAwait(false);
for (int i = 0; i < entityList.Count; i++)
{
Console.WriteLine($"The ETag for the entity with RowKey: '{entityList[i].RowKey}' is {response.Value[i].Headers.ETag}");
}
#endregion
#region Snippet:BatchMixed
// Create a new batch.
List <TableTransactionAction> mixedBatch = new List <TableTransactionAction>();
// Add an entity for deletion to the batch.
mixedBatch.Add(new TableTransactionAction(TableTransactionActionType.Delete, entityList[0]));
// Remove this entity from our list so that we can track that it will no longer be in the table.
entityList.RemoveAt(0);
// Change only the price of the entity with a RoyKey equal to "02".
TableEntity mergeEntity = new TableEntity(partitionKey, "02")
{
{ "Price", 3.50 },
};
// Add a merge operation to the batch.
// We specify an ETag value of ETag.All to indicate that this merge should be unconditional.
mixedBatch.Add(new TableTransactionAction(TableTransactionActionType.UpdateMerge, mergeEntity, ETag.All));
// Update a property on an entity.
TableEntity updateEntity = entityList[2];
updateEntity["Brand"] = "Generic";
// Add an upsert operation to the batch.
// Using the UpsertEntity method allows us to implicitly ignore the ETag value.
mixedBatch.Add(new TableTransactionAction(TableTransactionActionType.UpsertReplace, updateEntity));
// Submit the batch.
await client.SubmitTransactionAsync(mixedBatch).ConfigureAwait(false);
#endregion
#region Snippet:BatchDelete
// Create a new batch.
List <TableTransactionAction> deleteEntitiesBatch = new List <TableTransactionAction>();
// Add the entities for deletion to the batch.
foreach (TableEntity entity in entityList)
{
deleteEntitiesBatch.Add(new TableTransactionAction(TableTransactionActionType.Delete, entity));
}
// Submit the batch.
await client.SubmitTransactionAsync(deleteEntitiesBatch).ConfigureAwait(false);
#endregion
// Delete the table.
await client.DeleteAsync();
}
public async Task CreateDeleteEntitiesAsync()
{
string storageUri = StorageUri;
string accountName = StorageAccountName;
string storageAccountKey = PrimaryStorageAccountKey;
string tableName = "OfficeSupplies2p2";
string partitionKey = "somePartition";
string rowKey = "A1";
string rowKeyStrong = "B1";
#region Snippet:TablesSample2CreateTableClientAsync
// Construct a new <see cref="TableClient" /> using a <see cref="TableSharedKeyCredential" />.
var client = new TableClient(
tableName,
new Uri(storageUri),
new TableSharedKeyCredential(accountName, storageAccountKey));
// Create the table in the service.
await client.CreateAsync();
#endregion
#region Snippet:TablesSample2CreateEntityAsync
// Make an entity by defining a <see cref="Dictionary"> that includes the partition and row key.
var entity = new TableEntity(partitionKey, rowKey)
{
{ "Product", "Markers" },
{ "Price", 5.00 },
};
// Insert the newly created entity.
await client.CreateEntityAsync(entity);
#endregion
#region Snippet:TablesSample2CreateStronglyTypedEntityAsync
// Make a strongly typed entity by defining a custom class that extends <see cref="TableEntity">.
var strongEntity = new OfficeSupplyEntity
{
PartitionKey = partitionKey,
RowKey = rowKeyStrong,
Product = "Notebook",
Price = 3.00
};
// Insert the newly created entity.
await client.CreateEntityAsync(strongEntity);
#endregion
#region Snippet:TablesSample2DeleteEntityAsync
// Delete the entity given the partition and row key.
await client.DeleteEntityAsync(partitionKey, rowKey);
#endregion
#region Snippet:TablesSample2DeleteTableWithTableClientAsync
await client.DeleteAsync();
#endregion
}
public async Task CreateDeleteEntitiesAsync()
{
string storageUri = StorageUri;
string accountName = StorageAccountName;
string storageAccountKey = PrimaryStorageAccountKey;
string tableName = "OfficeSupplies2p2";
string partitionKey = "Stationery";
string rowKey = "A1";
string rowKeyStrong = "B1";
#region Snippet:TablesSample2CreateTableClientAsync
// Construct a new <see cref="TableClient" /> using a <see cref="TableSharedKeyCredential" />.
var client = new TableClient(
new Uri(storageUri),
tableName,
new TableSharedKeyCredential(accountName, storageAccountKey));
// Create the table in the service.
await client.CreateAsync();
#endregion
#region Snippet:TablesSample2CreateEntityAsync
// Make a dictionary entity by defining a <see cref="TableEntity">.
var entity = new TableEntity(partitionKey, rowKey)
{
{ "Product", "Marker Set" },
{ "Price", 5.00 },
{ "Quantity", 21 }
};
Console.WriteLine($"{entity.RowKey}: {entity["Product"]} costs ${entity.GetDouble("Price")}.");
#endregion
#region Snippet:TablesSample2AddEntityAsync
// Insert the newly created entity.
await client.AddEntityAsync(entity);
#endregion
#region Snippet:TablesSample2CreateStronglyTypedEntityAsync
// Create an instance of the strongly-typed entity and set their properties.
var strongEntity = new OfficeSupplyEntity
{
PartitionKey = partitionKey,
RowKey = rowKeyStrong,
Product = "Notebook",
Price = 3.00,
Quantity = 50
};
Console.WriteLine($"{entity.RowKey}: {strongEntity.Product} costs ${strongEntity.Price}.");
#endregion
// Add the newly created entity.
await client.AddEntityAsync(strongEntity);
#region Snippet:TablesSample2DeleteEntityAsync
// Delete the entity given the partition and row key.
await client.DeleteEntityAsync(partitionKey, rowKey);
#endregion
#region Snippet:TablesSample2DeleteTableWithTableClientAsync
await client.DeleteAsync();
#endregion
}
public async Task EntityDeleteRespectsEtag()
{
string tableName = $"testtable{Recording.GenerateId()}";
const string partitionKeyValue = "somPartition";
const string rowKeyValue = "1";
const string propertyName = "SomeStringProperty";
const string originalValue = "This is the original";
bool doCleanup = false;
TableServiceClient service = CreateTableServiceClient();
try
{
var createdTable = await service.CreateTableAsync(tableName).ConfigureAwait(false);
TableClient client = InstrumentClient(service.GetTableClient(tableName));
var entity = new Dictionary <string, object>
{
{ "PartitionKey", partitionKeyValue },
{ "RowKey", rowKeyValue },
{ propertyName, originalValue }
};
// Insert the new entity.
await client.UpsertAsync(entity).ConfigureAwait(false);
// Fetch the created entity from the service.
var originalEntity = (await client.QueryAsync(filter: $"PartitionKey eq '{partitionKeyValue}' and RowKey eq '{rowKeyValue}'").ToEnumerableAsync().ConfigureAwait(false)).Single();
var staleEtag = originalEntity[TableConstants.PropertyNames.Etag] as string;
// Use a wildcard ETag to delete unconditionally.
await client.DeleteAsync(partitionKeyValue, rowKeyValue).ConfigureAwait(false);
// Validate that the entity is deleted.
var emptyresult = (await client.QueryAsync(filter: $"PartitionKey eq '{partitionKeyValue}' and RowKey eq '{rowKeyValue}'").ToEnumerableAsync().ConfigureAwait(false));
Assert.That(emptyresult, Is.Empty, $"The query should have returned no results.");
// Insert the new entity again.
await client.UpsertAsync(entity).ConfigureAwait(false);
// Fetch the created entity from the service.
originalEntity = (await client.QueryAsync(filter: $"PartitionKey eq '{partitionKeyValue}' and RowKey eq '{rowKeyValue}'").ToEnumerableAsync().ConfigureAwait(false)).Single();
// Use a non-matching ETag.
Assert.That(async() => await client.DeleteAsync(partitionKeyValue, rowKeyValue, staleEtag).ConfigureAwait(false), Throws.InstanceOf <RequestFailedException>());
// Use a matching ETag.
await client.DeleteAsync(partitionKeyValue, rowKeyValue, originalEntity[TableConstants.PropertyNames.Etag] as string).ConfigureAwait(false);
// Validate that the entity is deleted.
emptyresult = (await client.QueryAsync(filter: $"PartitionKey eq '{partitionKeyValue}' and RowKey eq '{rowKeyValue}'").ToEnumerableAsync().ConfigureAwait(false));
Assert.That(emptyresult, Is.Empty, $"The query should have returned no results.");
}
finally
{
if (doCleanup)
{
await service.DeleteTableAsync(tableName);
}
}
}
public static async Task Delete(string account, string key, string tableName)
{
TableClient table = new TableClient(Client.GetConnectionString(account, key), tableName);
await table.DeleteAsync();
}
/// <summary>
/// Delete the table
/// </summary>
public Task DeleteTableAsync()
{
return(CloudTable.DeleteAsync());
}
