/// <summary>
/// Retrieve multiple entities by their IDs.
/// </summary>
/// <param name="entityIds">The IDs of the instances</param>
/// <returns>An enumeration of the entities.</returns>
public virtual async Task <IEnumerable <T> > GetByIdsAsync(IEnumerable <Guid> entityIds)
{
string sql = @"
SELECT * FROM e
WHERE e.TypeName = @TypeName AND ARRAY_CONTAINS(@EntityIds, e.id)";
QueryDefinition query = new QueryDefinition(sql)
.WithParameter("@TypeName", typeof(T).Name)
.WithParameter("@EntityIds", entityIds);
FeedResponse <T> response = await _cosmos.ExecuteIterator(c => c.GetItemQueryIterator <T>(query));
return(response);
}
