private async Task <(IList <IDocumentQueryExecutionComponent> components, QueryResponseCore response)> GetAllExecutionComponents()
{
(Func <CosmosElement, Task <TryCatch <IDocumentQueryExecutionComponent> > > func, QueryResponseCore response) = this.SetupBaseContextToVerifyFailureScenario();
List <IDocumentQueryExecutionComponent> components = new List <IDocumentQueryExecutionComponent>();
List <AggregateOperator> operators = new List <AggregateOperator>()
{
AggregateOperator.Average,
AggregateOperator.Count,
AggregateOperator.Max,
AggregateOperator.Min,
AggregateOperator.Sum
};
components.Add((await AggregateDocumentQueryExecutionComponent.TryCreateAsync(
ExecutionEnvironment.Client,
operators.ToArray(),
new Dictionary <string, AggregateOperator?>()
{
{ "test", AggregateOperator.Count }
},
new List <string>()
{
"test"
},
false,
null,
func)).Result);
components.Add((await DistinctDocumentQueryExecutionComponent.TryCreateAsync(
ExecutionEnvironment.Client,
null,
func,
DistinctQueryType.Ordered)).Result);
components.Add((await SkipDocumentQueryExecutionComponent.TryCreateAsync(
ExecutionEnvironment.Client,
5,
null,
func)).Result);
components.Add((await TakeDocumentQueryExecutionComponent.TryCreateLimitDocumentQueryExecutionComponentAsync(
ExecutionEnvironment.Client,
5,
null,
func)).Result);
components.Add((await TakeDocumentQueryExecutionComponent.TryCreateTopDocumentQueryExecutionComponentAsync(
ExecutionEnvironment.Client,
5,
null,
func)).Result);
return(components, response);
}
public static async Task <TryCatch <CosmosQueryExecutionContext> > TryCreateAsync(
ExecutionEnvironment executionEnvironment,
CosmosQueryContext queryContext,
CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams initParams,
string requestContinuationToken,
CancellationToken cancellationToken)
{
if (queryContext == null)
{
throw new ArgumentNullException(nameof(initParams));
}
cancellationToken.ThrowIfCancellationRequested();
QueryInfo queryInfo = initParams.PartitionedQueryExecutionInfo.QueryInfo;
int initialPageSize = initParams.InitialPageSize;
if (queryInfo.HasGroupBy)
{
// The query will block until all groupings are gathered so we might as well speed up the process.
initParams = new CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams(
sqlQuerySpec: initParams.SqlQuerySpec,
collectionRid: initParams.CollectionRid,
partitionedQueryExecutionInfo: initParams.PartitionedQueryExecutionInfo,
partitionKeyRanges: initParams.PartitionKeyRanges,
initialPageSize: int.MaxValue,
maxConcurrency: initParams.MaxConcurrency,
maxItemCount: int.MaxValue,
maxBufferedItemCount: initParams.MaxBufferedItemCount);
}
async Task <TryCatch <IDocumentQueryExecutionComponent> > tryCreateOrderByComponentAsync(string continuationToken)
{
return((await CosmosOrderByItemQueryExecutionContext.TryCreateAsync(
queryContext,
initParams,
continuationToken,
cancellationToken)).Try <IDocumentQueryExecutionComponent>(component => component));
}
async Task <TryCatch <IDocumentQueryExecutionComponent> > tryCreateParallelComponentAsync(string continuationToken)
{
return((await CosmosParallelItemQueryExecutionContext.TryCreateAsync(
queryContext,
initParams,
continuationToken,
cancellationToken)).Try <IDocumentQueryExecutionComponent>(component => component));
}
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreatePipelineAsync;
if (queryInfo.HasOrderBy)
{
tryCreatePipelineAsync = tryCreateOrderByComponentAsync;
}
else
{
tryCreatePipelineAsync = tryCreateParallelComponentAsync;
}
if (queryInfo.HasAggregates && !queryInfo.HasGroupBy)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await AggregateDocumentQueryExecutionComponent.TryCreateAsync(
executionEnvironment,
queryInfo.Aggregates,
queryInfo.GroupByAliasToAggregateType,
queryInfo.GroupByAliases,
queryInfo.HasSelectValue,
continuationToken,
tryCreateSourceAsync));
};
}
if (queryInfo.HasDistinct)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await DistinctDocumentQueryExecutionComponent.TryCreateAsync(
executionEnvironment,
continuationToken,
tryCreateSourceAsync,
queryInfo.DistinctType));
};
}
if (queryInfo.HasGroupBy)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await GroupByDocumentQueryExecutionComponent.TryCreateAsync(
executionEnvironment,
continuationToken,
tryCreateSourceAsync,
queryInfo.GroupByAliasToAggregateType,
queryInfo.GroupByAliases,
queryInfo.HasSelectValue));
};
}
if (queryInfo.HasOffset)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await SkipDocumentQueryExecutionComponent.TryCreateAsync(
queryInfo.Offset.Value,
continuationToken,
tryCreateSourceAsync));
};
}
if (queryInfo.HasLimit)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await TakeDocumentQueryExecutionComponent.TryCreateLimitDocumentQueryExecutionComponentAsync(
queryInfo.Limit.Value,
continuationToken,
tryCreateSourceAsync));
};
}
if (queryInfo.HasTop)
{
Func <string, Task <TryCatch <IDocumentQueryExecutionComponent> > > tryCreateSourceAsync = tryCreatePipelineAsync;
tryCreatePipelineAsync = async(continuationToken) =>
{
return(await TakeDocumentQueryExecutionComponent.TryCreateTopDocumentQueryExecutionComponentAsync(
queryInfo.Top.Value,
continuationToken,
tryCreateSourceAsync));
};
}
return((await tryCreatePipelineAsync(requestContinuationToken))
.Try <CosmosQueryExecutionContext>((source) => new PipelinedDocumentQueryExecutionContext(source, initialPageSize)));
}