/// <summary>
/// Deletes items from local table that match the given query.
/// </summary>
/// <param name="query">A query to find records to delete.</param>
/// <returns>A task that completes when delete query has executed.</returns>
/// <exception cref="ArgumentNullException">You must supply a query value</exception>
public override Task DeleteAsync(MobileServiceTableQueryDescription query)
{
if (query == null)
{
throw new ArgumentNullException("query");
}
this.EnsureInitialized();
var formatter = new SqlQueryFormatter(query);
string sql = formatter.FormatDelete();
return(this.operationSemaphore.WaitAsync()
.ContinueWith(t =>
{
try
{
this.ExecuteNonQueryInternal(sql, formatter.Parameters);
}
finally
{
this.operationSemaphore.Release();
}
}));
}
/// <summary>
/// Deletes items from local table that match the given query.
/// </summary>
/// <param name="query">A query to find records to delete.</param>
/// <returns>A task that completes when delete query has executed.</returns>
public override Task DeleteAsync(MobileServiceTableQueryDescription query)
{
if (query == null)
{
throw new ArgumentNullException("query");
}
this.EnsureInitialized();
var formatter = new SqlQueryFormatter(query);
string sql = formatter.FormatDelete();
this.ExecuteNonQuery(sql, formatter.Parameters);
return(Task.FromResult(0));
}