コード例 #1
0
 protected override Task <IQueryable <Customer> > GetQueryableData(IQueryOptions <Customer> queryOptions, ICustomMetadata customMetadata)
 {
     if (queryOptions.TryGetEqualFiltersForProperty(x => x.Custkey, out var filters))
     {
         List <Customer> output = new List <Customer>();
         foreach (var val in filters)
         {
             if (_tpchData.CustomerKeyIndex.TryGetValue(val, out var customer))
             {
                 output.Add(customer);
             }
         }
         return(Task.FromResult(output.AsQueryable()));
     }
     return(Task.FromResult(_tpchData.Customers.AsQueryable()));
 }
コード例 #2
0
        protected override Task <IQueryable <IndexTest> > GetQueryableData(IQueryOptions <IndexTest> queryOptions, ICustomMetadata customMetadata)
        {
            IQueryable <IndexTest> queryable;
            IReadOnlyDictionary <long, IndexTest> dict;

            if (queryOptions.Parameters.TryGetParameter("indexSize", out var indexSizeParameter) &&
                indexSizeParameter.TryGetValue <long>(out var indexSize))
            {
                (queryable, dict) = TestData.GetIndexTestData(indexSize);
            }
            else
            {
                (queryable, dict) = TestData.GetIndexTestData(1000000);
            }

            if (queryOptions.Parameters.TryGetParameter("useIndex", out var useIndexParameter))
            {
                if (useIndexParameter.TryGetValue <bool>(out var useIndex))
                {
                    if (queryOptions.TryGetEqualFiltersForProperty(x => x.Key, out var filters))
                    {
                        List <IndexTest> output = new List <IndexTest>();
                        foreach (var val in filters)
                        {
                            if (dict.TryGetValue(val, out var obj))
                            {
                                output.Add(obj);
                            }
                        }
                        return(Task.FromResult(output.AsQueryable()));
                    }
                }
            }

            return(Task.FromResult(queryable));
        }