private static QueryResponseCore GetCosmosElementResponse(
Guid clientQueryCorrelationId,
QueryRequestOptions requestOptions,
ResourceType resourceType,
ResponseMessage cosmosResponseMessage,
PartitionKeyRangeIdentity partitionKeyRangeIdentity,
Action <QueryPageDiagnostics> queryPageDiagnostics)
{
using (cosmosResponseMessage)
{
QueryPageDiagnostics queryPage = new QueryPageDiagnostics(
clientQueryCorrelationId: clientQueryCorrelationId,
partitionKeyRangeId: partitionKeyRangeIdentity.PartitionKeyRangeId,
queryMetricText: cosmosResponseMessage.Headers.QueryMetricsText,
indexUtilizationText: cosmosResponseMessage.Headers[HttpConstants.HttpHeaders.IndexUtilization],
diagnosticsContext: cosmosResponseMessage.DiagnosticsContext);
queryPageDiagnostics(queryPage);
if (!cosmosResponseMessage.IsSuccessStatusCode)
{
return(QueryResponseCore.CreateFailure(
statusCode: cosmosResponseMessage.StatusCode,
subStatusCodes: cosmosResponseMessage.Headers.SubStatusCode,
cosmosException: cosmosResponseMessage.CosmosException,
requestCharge: cosmosResponseMessage.Headers.RequestCharge,
activityId: cosmosResponseMessage.Headers.ActivityId));
}
if (!(cosmosResponseMessage.Content is MemoryStream memoryStream))
{
memoryStream = new MemoryStream();
cosmosResponseMessage.Content.CopyTo(memoryStream);
}
long responseLengthBytes = memoryStream.Length;
CosmosArray cosmosArray = CosmosQueryClientCore.ParseElementsFromRestStream(
memoryStream,
resourceType,
requestOptions.CosmosSerializationFormatOptions);
CosmosQueryExecutionInfo cosmosQueryExecutionInfo;
if (cosmosResponseMessage.Headers.TryGetValue(QueryExecutionInfoHeader, out string queryExecutionInfoString))
{
cosmosQueryExecutionInfo = JsonConvert.DeserializeObject <CosmosQueryExecutionInfo>(queryExecutionInfoString);
}
else
{
cosmosQueryExecutionInfo = default;
}
return(QueryResponseCore.CreateSuccess(
result: cosmosArray,
requestCharge: cosmosResponseMessage.Headers.RequestCharge,
activityId: cosmosResponseMessage.Headers.ActivityId,
responseLengthBytes: responseLengthBytes,
disallowContinuationTokenMessage: null,
continuationToken: cosmosResponseMessage.Headers.ContinuationToken,
cosmosQueryExecutionInfo: cosmosQueryExecutionInfo));
}
}
public override async Task <TryCatch <QueryPage> > ExecuteItemQueryAsync(
string resourceUri,
ResourceType resourceType,
OperationType operationType,
Guid clientQueryCorrelationId,
QueryRequestOptions requestOptions,
Action <QueryPageDiagnostics> queryPageDiagnostics,
SqlQuerySpec sqlQuerySpec,
string continuationToken,
PartitionKeyRangeIdentity partitionKeyRange,
bool isContinuationExpected,
int pageSize,
ITrace trace,
CancellationToken cancellationToken)
{
requestOptions.MaxItemCount = pageSize;
ResponseMessage message = await this.clientContext.ProcessResourceOperationStreamAsync(
resourceUri : resourceUri,
resourceType : resourceType,
operationType : operationType,
requestOptions : requestOptions,
partitionKey : requestOptions.PartitionKey,
cosmosContainerCore : this.cosmosContainerCore,
streamPayload : this.clientContext.SerializerCore.ToStreamSqlQuerySpec(sqlQuerySpec, resourceType),
requestEnricher : (cosmosRequestMessage) =>
{
this.PopulatePartitionKeyRangeInfo(cosmosRequestMessage, partitionKeyRange);
cosmosRequestMessage.Headers.Add(
HttpConstants.HttpHeaders.IsContinuationExpected,
isContinuationExpected.ToString());
QueryRequestOptions.FillContinuationToken(
cosmosRequestMessage,
continuationToken);
cosmosRequestMessage.Headers.Add(HttpConstants.HttpHeaders.ContentType, MediaTypes.QueryJson);
cosmosRequestMessage.Headers.Add(HttpConstants.HttpHeaders.IsQuery, bool.TrueString);
},
diagnosticsContext : null,
trace : trace,
cancellationToken : cancellationToken);
return(CosmosQueryClientCore.GetCosmosElementResponse(
clientQueryCorrelationId,
requestOptions,
resourceType,
message,
partitionKeyRange,
queryPageDiagnostics,
trace));
}
private static TryCatch <QueryPage> GetCosmosElementResponse(
Guid clientQueryCorrelationId,
QueryRequestOptions requestOptions,
ResourceType resourceType,
ResponseMessage cosmosResponseMessage,
PartitionKeyRangeIdentity partitionKeyRangeIdentity,
Action <QueryPageDiagnostics> queryPageDiagnostics,
ITrace trace)
{
using (ITrace getCosmosElementResponse = trace.StartChild("Get Cosmos Element Response", TraceComponent.Json, Tracing.TraceLevel.Info))
{
using (cosmosResponseMessage)
{
QueryPageDiagnostics queryPage = new QueryPageDiagnostics(
clientQueryCorrelationId: clientQueryCorrelationId,
partitionKeyRangeId: partitionKeyRangeIdentity.PartitionKeyRangeId,
queryMetricText: cosmosResponseMessage.Headers.QueryMetricsText,
indexUtilizationText: cosmosResponseMessage.Headers[HttpConstants.HttpHeaders.IndexUtilization],
diagnosticsContext: cosmosResponseMessage.DiagnosticsContext);
queryPageDiagnostics(queryPage);
if (
cosmosResponseMessage.Headers.QueryMetricsText != null &&
BackendMetricsParser.TryParse(cosmosResponseMessage.Headers.QueryMetricsText, out BackendMetrics backendMetrics))
{
QueryMetricsTraceDatum datum = new QueryMetricsTraceDatum(
new QueryMetrics(backendMetrics, IndexUtilizationInfo.Empty, ClientSideMetrics.Empty));
trace.AddDatum("Query Metrics", datum);
}
if (!cosmosResponseMessage.IsSuccessStatusCode)
{
CosmosException exception;
if (cosmosResponseMessage.CosmosException != null)
{
exception = cosmosResponseMessage.CosmosException;
}
else
{
exception = new CosmosException(
cosmosResponseMessage.ErrorMessage,
cosmosResponseMessage.StatusCode,
(int)cosmosResponseMessage.Headers.SubStatusCode,
cosmosResponseMessage.Headers.ActivityId,
cosmosResponseMessage.Headers.RequestCharge);
}
return(TryCatch <QueryPage> .FromException(exception));
}
if (!(cosmosResponseMessage.Content is MemoryStream memoryStream))
{
memoryStream = new MemoryStream();
cosmosResponseMessage.Content.CopyTo(memoryStream);
}
long responseLengthBytes = memoryStream.Length;
CosmosArray documents = CosmosQueryClientCore.ParseElementsFromRestStream(
memoryStream,
resourceType,
requestOptions.CosmosSerializationFormatOptions);
CosmosQueryExecutionInfo cosmosQueryExecutionInfo;
if (cosmosResponseMessage.Headers.TryGetValue(QueryExecutionInfoHeader, out string queryExecutionInfoString))
{
cosmosQueryExecutionInfo = JsonConvert.DeserializeObject <CosmosQueryExecutionInfo>(queryExecutionInfoString);
}
else
{
cosmosQueryExecutionInfo = default;
}
QueryState queryState;
if (cosmosResponseMessage.Headers.ContinuationToken != null)
{
queryState = new QueryState(CosmosString.Create(cosmosResponseMessage.Headers.ContinuationToken));
}
else
{
queryState = default;
}
QueryPage response = new QueryPage(
documents,
cosmosResponseMessage.Headers.RequestCharge,
cosmosResponseMessage.Headers.ActivityId,
responseLengthBytes,
cosmosQueryExecutionInfo,
disallowContinuationTokenMessage: null,
queryState);
return(TryCatch <QueryPage> .FromResult(response));
}
}
}
private static TryCatch <QueryPage> GetCosmosElementResponse(
QueryRequestOptions requestOptions,
ResourceType resourceType,
ResponseMessage cosmosResponseMessage,
ITrace trace)
{
using (ITrace getCosmosElementResponse = trace.StartChild("Get Cosmos Element Response", TraceComponent.Json, Tracing.TraceLevel.Info))
{
using (cosmosResponseMessage)
{
if (
cosmosResponseMessage.Headers.QueryMetricsText != null &&
BackendMetricsParser.TryParse(cosmosResponseMessage.Headers.QueryMetricsText, out BackendMetrics backendMetrics))
{
QueryMetricsTraceDatum datum = new QueryMetricsTraceDatum(
new QueryMetrics(backendMetrics, IndexUtilizationInfo.Empty, ClientSideMetrics.Empty));
trace.AddDatum("Query Metrics", datum);
}
if (!cosmosResponseMessage.IsSuccessStatusCode)
{
CosmosException exception = cosmosResponseMessage.CosmosException ?? new CosmosException(
cosmosResponseMessage.ErrorMessage,
cosmosResponseMessage.StatusCode,
(int)cosmosResponseMessage.Headers.SubStatusCode,
cosmosResponseMessage.Headers.ActivityId,
cosmosResponseMessage.Headers.RequestCharge);
return(TryCatch <QueryPage> .FromException(exception));
}
if (!(cosmosResponseMessage.Content is MemoryStream memoryStream))
{
memoryStream = new MemoryStream();
cosmosResponseMessage.Content.CopyTo(memoryStream);
}
long responseLengthBytes = memoryStream.Length;
CosmosArray documents = CosmosQueryClientCore.ParseElementsFromRestStream(
memoryStream,
resourceType,
requestOptions.CosmosSerializationFormatOptions);
CosmosQueryExecutionInfo cosmosQueryExecutionInfo;
if (cosmosResponseMessage.Headers.TryGetValue(QueryExecutionInfoHeader, out string queryExecutionInfoString))
{
cosmosQueryExecutionInfo = JsonConvert.DeserializeObject <CosmosQueryExecutionInfo>(queryExecutionInfoString);
}
else
{
cosmosQueryExecutionInfo = default;
}
QueryState queryState;
if (cosmosResponseMessage.Headers.ContinuationToken != null)
{
queryState = new QueryState(CosmosString.Create(cosmosResponseMessage.Headers.ContinuationToken));
}
else
{
queryState = default;
}
Dictionary <string, string> additionalHeaders = new Dictionary <string, string>();
foreach (string key in cosmosResponseMessage.Headers)
{
if (!QueryPage.BannedHeaders.Contains(key))
{
additionalHeaders[key] = cosmosResponseMessage.Headers[key];
}
}
QueryPage response = new QueryPage(
documents,
cosmosResponseMessage.Headers.RequestCharge,
cosmosResponseMessage.Headers.ActivityId,
responseLengthBytes,
cosmosQueryExecutionInfo,
disallowContinuationTokenMessage: null,
additionalHeaders,
queryState);
return(TryCatch <QueryPage> .FromResult(response));
}
}
}