/// <summary> /// Creates a CosmosPipelinedItemQueryExecutionContext. /// </summary> /// <param name="queryContext">The parameters for constructing the base class.</param> /// <param name="initParams">The initial parameters</param> /// <param name="requestContinuationToken">The request continuation.</param> /// <param name="cancellationToken">The cancellation token.</param> /// <returns>A task to await on, which in turn returns a CosmosPipelinedItemQueryExecutionContext.</returns> public static async Task <CosmosQueryExecutionContext> CreateAsync( CosmosQueryContext queryContext, CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams initParams, string requestContinuationToken, CancellationToken cancellationToken) { DefaultTrace.TraceInformation( string.Format( CultureInfo.InvariantCulture, "{0}, CorrelatedActivityId: {1} | Pipelined~Context.CreateAsync", DateTime.UtcNow.ToString("o", CultureInfo.InvariantCulture), queryContext.CorrelatedActivityId)); QueryInfo queryInfo = initParams.PartitionedQueryExecutionInfo.QueryInfo; int actualPageSize = initParams.InitialPageSize; int initialPageSize = initParams.InitialPageSize; CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams parameters = initParams; if (queryInfo.HasGroupBy) { initialPageSize = int.MaxValue; initParams = new CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams( sqlQuerySpec: initParams.SqlQuerySpec, collectionRid: initParams.CollectionRid, partitionedQueryExecutionInfo: initParams.PartitionedQueryExecutionInfo, partitionKeyRanges: initParams.PartitionKeyRanges, initialPageSize: initialPageSize, maxConcurrency: initParams.MaxConcurrency, maxItemCount: int.MaxValue, maxBufferedItemCount: initParams.MaxBufferedItemCount); } Func <string, Task <IDocumentQueryExecutionComponent> > createOrderByComponentFunc = async(continuationToken) => { return(await CosmosOrderByItemQueryExecutionContext.CreateAsync( queryContext, initParams, continuationToken, cancellationToken)); }; Func <string, Task <IDocumentQueryExecutionComponent> > createParallelComponentFunc = async(continuationToken) => { return(await CosmosParallelItemQueryExecutionContext.CreateAsync( queryContext, initParams, continuationToken, cancellationToken)); }; return((CosmosQueryExecutionContext)await PipelinedDocumentQueryExecutionContext.CreateHelperAsync( queryContext.QueryClient, initParams.PartitionedQueryExecutionInfo.QueryInfo, initialPageSize, requestContinuationToken, createOrderByComponentFunc, createParallelComponentFunc)); }
/// <summary> /// Creates a PipelinedDocumentQueryExecutionContext. /// </summary> /// <param name="constructorParams">The parameters for constructing the base class.</param> /// <param name="collectionRid">The collection rid.</param> /// <param name="partitionedQueryExecutionInfo">The partitioned query execution info.</param> /// <param name="partitionKeyRanges">The partition key ranges.</param> /// <param name="initialPageSize">The initial page size.</param> /// <param name="requestContinuation">The request continuation.</param> /// <param name="cancellationToken">The cancellation token.</param> /// <returns>A task to await on, which in turn returns a PipelinedDocumentQueryExecutionContext.</returns> public static async Task <IDocumentQueryExecutionContext> CreateDocumentQueryExecutionContextAsync( DocumentQueryExecutionContextBase.InitParams constructorParams, string collectionRid, PartitionedQueryExecutionInfo partitionedQueryExecutionInfo, List <PartitionKeyRange> partitionKeyRanges, int initialPageSize, string requestContinuation, CancellationToken cancellationToken) { DefaultTrace.TraceInformation( string.Format( CultureInfo.InvariantCulture, "{0}, CorrelatedActivityId: {1} | Pipelined~Context.CreateAsync", DateTime.UtcNow.ToString("o", CultureInfo.InvariantCulture), constructorParams.CorrelatedActivityId)); QueryInfo queryInfo = partitionedQueryExecutionInfo.QueryInfo; Func <string, Task <IDocumentQueryExecutionComponent> > createOrderByComponentFunc = async(continuationToken) => { CrossPartitionQueryExecutionContext.CrossPartitionInitParams initParams = new CrossPartitionQueryExecutionContext.CrossPartitionInitParams( collectionRid, partitionedQueryExecutionInfo, partitionKeyRanges, initialPageSize, continuationToken); return(await OrderByDocumentQueryExecutionContext.CreateAsync( constructorParams, initParams, cancellationToken)); }; Func <string, Task <IDocumentQueryExecutionComponent> > createParallelComponentFunc = async(continuationToken) => { CrossPartitionQueryExecutionContext.CrossPartitionInitParams initParams = new CrossPartitionQueryExecutionContext.CrossPartitionInitParams( collectionRid, partitionedQueryExecutionInfo, partitionKeyRanges, initialPageSize, continuationToken); return(await ParallelDocumentQueryExecutionContext.CreateAsync( constructorParams, initParams, cancellationToken)); }; return((IDocumentQueryExecutionContext)(await PipelinedDocumentQueryExecutionContext.CreateHelperAsync( partitionedQueryExecutionInfo.QueryInfo, initialPageSize, requestContinuation, createOrderByComponentFunc, createParallelComponentFunc))); }
/// <summary> /// Creates a CosmosPipelinedItemQueryExecutionContext. /// </summary> /// <param name="executionEnvironment">The environment to execute on.</param> /// <param name="queryContext">The parameters for constructing the base class.</param> /// <param name="initParams">The initial parameters</param> /// <param name="requestContinuationToken">The request continuation.</param> /// <param name="cancellationToken">The cancellation token.</param> /// <returns>A task to await on, which in turn returns a CosmosPipelinedItemQueryExecutionContext.</returns> public static async Task <CosmosQueryExecutionContext> CreateAsync( ExecutionEnvironment executionEnvironment, CosmosQueryContext queryContext, CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams initParams, string requestContinuationToken, CancellationToken cancellationToken) { cancellationToken.ThrowIfCancellationRequested(); QueryInfo queryInfo = initParams.PartitionedQueryExecutionInfo.QueryInfo; int initialPageSize = initParams.InitialPageSize; CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams parameters = initParams; 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); } Func <string, Task <IDocumentQueryExecutionComponent> > createOrderByComponentFunc = async(continuationToken) => { return(await CosmosOrderByItemQueryExecutionContext.CreateAsync( queryContext, initParams, continuationToken, cancellationToken)); }; Func <string, Task <IDocumentQueryExecutionComponent> > createParallelComponentFunc = async(continuationToken) => { return(await CosmosParallelItemQueryExecutionContext.CreateAsync( queryContext, initParams, continuationToken, cancellationToken)); }; return((CosmosQueryExecutionContext)await PipelinedDocumentQueryExecutionContext.CreateHelperAsync( executionEnvironment, queryContext.QueryClient, initParams.PartitionedQueryExecutionInfo.QueryInfo, initialPageSize, requestContinuationToken, createOrderByComponentFunc, createParallelComponentFunc)); }
public static async Task <CosmosQueryExecutionContext> CreateSpecializedDocumentQueryExecutionContextAsync( CosmosQueryContext cosmosQueryContext, PartitionedQueryExecutionInfo partitionedQueryExecutionInfo, List <PartitionKeyRange> targetRanges, string collectionRid, CancellationToken cancellationToken) { if (!string.IsNullOrEmpty(partitionedQueryExecutionInfo.QueryInfo?.RewrittenQuery)) { cosmosQueryContext.SqlQuerySpec = new SqlQuerySpec( partitionedQueryExecutionInfo.QueryInfo.RewrittenQuery, cosmosQueryContext.SqlQuerySpec.Parameters); } // Figure out the optimal page size. long initialPageSize = cosmosQueryContext.QueryRequestOptions.MaxItemCount.GetValueOrDefault(ParallelQueryConfig.GetConfig().ClientInternalPageSize); if (initialPageSize < -1 || initialPageSize == 0) { throw new BadRequestException(string.Format(CultureInfo.InvariantCulture, "Invalid MaxItemCount {0}", initialPageSize)); } QueryInfo queryInfo = partitionedQueryExecutionInfo.QueryInfo; bool getLazyFeedResponse = queryInfo.HasTop; // We need to compute the optimal initial page size for order-by queries if (queryInfo.HasOrderBy) { int top; if (queryInfo.HasTop && (top = partitionedQueryExecutionInfo.QueryInfo.Top.Value) > 0) { // All partitions should initially fetch about 1/nth of the top value. long pageSizeWithTop = (long)Math.Min( Math.Ceiling(top / (double)targetRanges.Count) * PageSizeFactorForTop, top); if (initialPageSize > 0) { initialPageSize = Math.Min(pageSizeWithTop, initialPageSize); } else { initialPageSize = pageSizeWithTop; } } else if (cosmosQueryContext.IsContinuationExpected) { if (initialPageSize < 0) { if (cosmosQueryContext.QueryRequestOptions.MaxBufferedItemCount.HasValue) { // Max of what the user is willing to buffer and the default (note this is broken if MaxBufferedItemCount = -1) initialPageSize = Math.Max(cosmosQueryContext.QueryRequestOptions.MaxBufferedItemCount.Value, ParallelQueryConfig.GetConfig().DefaultMaximumBufferSize); } else { initialPageSize = ParallelQueryConfig.GetConfig().DefaultMaximumBufferSize; } } initialPageSize = (long)Math.Min( Math.Ceiling(initialPageSize / (double)targetRanges.Count) * PageSizeFactorForTop, initialPageSize); } } Debug.Assert(initialPageSize > 0 && initialPageSize <= int.MaxValue, string.Format(CultureInfo.InvariantCulture, "Invalid MaxItemCount {0}", initialPageSize)); return(await PipelinedDocumentQueryExecutionContext.CreateAsync( cosmosQueryContext, collectionRid, partitionedQueryExecutionInfo, targetRanges, (int)initialPageSize, cosmosQueryContext.QueryRequestOptions.RequestContinuation, cancellationToken)); }
/// <summary> /// Creates a CosmosPipelinedItemQueryExecutionContext. /// </summary> /// <param name="constructorParams">The parameters for constructing the base class.</param> /// <param name="collectionRid">The collection rid.</param> /// <param name="partitionedQueryExecutionInfo">The partitioned query execution info.</param> /// <param name="partitionKeyRanges">The partition key ranges.</param> /// <param name="initialPageSize">The initial page size.</param> /// <param name="requestContinuation">The request continuation.</param> /// <param name="cancellationToken">The cancellation token.</param> /// <returns>A task to await on, which in turn returns a CosmosPipelinedItemQueryExecutionContext.</returns> public static async Task <CosmosQueryExecutionContext> CreateAsync( CosmosQueryContext constructorParams, string collectionRid, PartitionedQueryExecutionInfo partitionedQueryExecutionInfo, List <PartitionKeyRange> partitionKeyRanges, int initialPageSize, string requestContinuation, CancellationToken cancellationToken) { DefaultTrace.TraceInformation( string.Format( CultureInfo.InvariantCulture, "{0}, CorrelatedActivityId: {1} | Pipelined~Context.CreateAsync", DateTime.UtcNow.ToString("o", CultureInfo.InvariantCulture), constructorParams.CorrelatedActivityId)); QueryInfo queryInfo = partitionedQueryExecutionInfo.QueryInfo; int actualPageSize = initialPageSize; if (queryInfo.HasGroupBy) { initialPageSize = int.MaxValue; constructorParams.QueryRequestOptions.MaxItemCount = int.MaxValue; } Func <string, Task <IDocumentQueryExecutionComponent> > createOrderByComponentFunc = async(continuationToken) => { CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams initParams = new CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams( collectionRid, partitionedQueryExecutionInfo, partitionKeyRanges, initialPageSize, continuationToken); return(await CosmosOrderByItemQueryExecutionContext.CreateAsync( constructorParams, initParams, cancellationToken)); }; Func <string, Task <IDocumentQueryExecutionComponent> > createParallelComponentFunc = async(continuationToken) => { CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams initParams = new CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams( collectionRid, partitionedQueryExecutionInfo, partitionKeyRanges, initialPageSize, continuationToken); return(await CosmosParallelItemQueryExecutionContext.CreateAsync( constructorParams, initParams, cancellationToken)); }; return((CosmosQueryExecutionContext)(await PipelinedDocumentQueryExecutionContext.CreateHelperAsync( partitionedQueryExecutionInfo.QueryInfo, initialPageSize, requestContinuation, constructorParams.QueryRequestOptions.EnableGroupBy, createOrderByComponentFunc, createParallelComponentFunc))); }
/// <summary> /// Creates a CosmosPipelinedItemQueryExecutionContext. /// </summary> /// <param name="executionEnvironment">The environment to execute on.</param> /// <param name="queryContext">The parameters for constructing the base class.</param> /// <param name="initParams">The initial parameters</param> /// <param name="requestContinuationToken">The request continuation.</param> /// <param name="cancellationToken">The cancellation token.</param> /// <returns>A task to await on, which in turn returns a CosmosPipelinedItemQueryExecutionContext.</returns> public static async Task <CosmosQueryExecutionContext> CreateAsync( ExecutionEnvironment executionEnvironment, CosmosQueryContext queryContext, CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams initParams, string requestContinuationToken, CancellationToken cancellationToken) { cancellationToken.ThrowIfCancellationRequested(); if (requestContinuationToken != null) { if (!PipelineContinuationToken.TryParse( requestContinuationToken, out PipelineContinuationToken pipelineContinuationToken)) { throw queryContext.QueryClient.CreateBadRequestException( $"Malformed {nameof(PipelineContinuationToken)}: {requestContinuationToken}."); } if (PipelineContinuationToken.IsTokenFromTheFuture(pipelineContinuationToken)) { throw queryContext.QueryClient.CreateBadRequestException( $"{nameof(PipelineContinuationToken)} Continuation token is from a newer version of the SDK. Upgrade the SDK to avoid this issue.\n {requestContinuationToken}."); } if (!PipelineContinuationToken.TryConvertToLatest( pipelineContinuationToken, out PipelineContinuationTokenV1_1 latestVersionPipelineContinuationToken)) { throw queryContext.QueryClient.CreateBadRequestException( $"{nameof(PipelineContinuationToken)}: '{requestContinuationToken}' is no longer supported."); } requestContinuationToken = latestVersionPipelineContinuationToken.SourceContinuationToken; } QueryInfo queryInfo = initParams.PartitionedQueryExecutionInfo.QueryInfo; int initialPageSize = initParams.InitialPageSize; CosmosCrossPartitionQueryExecutionContext.CrossPartitionInitParams parameters = initParams; 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); } Func <string, Task <IDocumentQueryExecutionComponent> > createOrderByComponentFunc = async(continuationToken) => { return(await CosmosOrderByItemQueryExecutionContext.CreateAsync( queryContext, initParams, continuationToken, cancellationToken)); }; Func <string, Task <IDocumentQueryExecutionComponent> > createParallelComponentFunc = async(continuationToken) => { return(await CosmosParallelItemQueryExecutionContext.CreateAsync( queryContext, initParams, continuationToken, cancellationToken)); }; return((CosmosQueryExecutionContext)await PipelinedDocumentQueryExecutionContext.CreateHelperAsync( executionEnvironment, queryContext.QueryClient, initParams.PartitionedQueryExecutionInfo.QueryInfo, initialPageSize, requestContinuationToken, createOrderByComponentFunc, createParallelComponentFunc)); }
public static async Task <IDocumentQueryExecutionContext> CreateSpecializedDocumentQueryExecutionContext( IDocumentQueryClient client, ResourceType resourceTypeEnum, Type resourceType, Expression expression, FeedOptions feedOptions, string resourceLink, bool isContinuationExpected, PartitionedQueryExecutionInfo partitionedQueryExecutionInfo, List <PartitionKeyRange> targetRanges, string collectionRid, CancellationToken token, Guid correlatedActivityId) { long initialPageSize = feedOptions.MaxItemCount.GetValueOrDefault(ParallelQueryConfig.GetConfig().ClientInternalPageSize); if (initialPageSize < -1 || initialPageSize == 0) { throw new BadRequestException(string.Format(CultureInfo.InvariantCulture, "Invalid MaxItemCount {0}", initialPageSize)); } QueryInfo queryInfo = partitionedQueryExecutionInfo.QueryInfo; bool getLazyFeedResponse = queryInfo.HasTop; // We need to compute the optimal initial page size for order-by queries if (queryInfo.HasOrderBy) { int top; if (queryInfo.HasTop && (top = partitionedQueryExecutionInfo.QueryInfo.Top.Value) > 0) { // All partitions should initially fetch about 1/nth of the top value. long pageSizeWithTop = (long)Math.Min( Math.Ceiling(top / (double)targetRanges.Count) * PageSizeFactorForTop, top); if (initialPageSize > 0) { initialPageSize = Math.Min(pageSizeWithTop, initialPageSize); } else { initialPageSize = pageSizeWithTop; } } else if (isContinuationExpected) { if (initialPageSize < 0) { // Max of what the user is willing to buffer and the default (note this is broken if MaxBufferedItemCount = -1) initialPageSize = (long)Math.Max(feedOptions.MaxBufferedItemCount, ParallelQueryConfig.GetConfig().DefaultMaximumBufferSize); } initialPageSize = (long)Math.Min( Math.Ceiling(initialPageSize / (double)targetRanges.Count) * PageSizeFactorForTop, initialPageSize); } } Debug.Assert(initialPageSize > 0 && initialPageSize <= int.MaxValue, string.Format(CultureInfo.InvariantCulture, "Invalid MaxItemCount {0}", initialPageSize)); return(await PipelinedDocumentQueryExecutionContext.CreateAsync( client, resourceTypeEnum, resourceType, expression, feedOptions, resourceLink, collectionRid, partitionedQueryExecutionInfo, targetRanges, (int)initialPageSize, isContinuationExpected, getLazyFeedResponse, token, correlatedActivityId)); }