internal async Task <OfferV2> GetOfferV2Async(
            string targetRID,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            if (string.IsNullOrWhiteSpace(targetRID))
            {
                throw new ArgumentNullException(targetRID);
            }

            QueryDefinition queryDefinition = new QueryDefinition("select * from root r where r.offerResourceId= @targetRID");

            queryDefinition.WithParameter("@targetRID", targetRID);

            FeedIterator <OfferV2> databaseStreamIterator = this.GetOfferQueryIterator <OfferV2>(
                queryDefinition);
            OfferV2 offerV2 = await this.SingleOrDefaultAsync <OfferV2>(databaseStreamIterator);

            if (offerV2 == null)
            {
                throw new CosmosException(HttpStatusCode.NotFound, "Throughput is not configured");
            }

            return(offerV2);
        }
        public override FeedIterator <T> GetItemQueryIterator <T>(
            QueryDefinition queryDefinition,
            string continuationToken           = null,
            QueryRequestOptions requestOptions = null)
        {
            requestOptions = requestOptions ?? new QueryRequestOptions();

            if (requestOptions.IsEffectivePartitionKeyRouting)
            {
                requestOptions.PartitionKey = null;
            }

            if (!(this.GetItemQueryStreamIterator(
                      queryDefinition,
                      continuationToken,
                      requestOptions) is FeedIteratorInternal feedIterator))
            {
                throw new InvalidOperationException($"Expected a FeedIteratorInternal.");
            }

            return(new FeedIteratorCore <T>(
                       feedIterator: feedIterator,
                       responseCreator: this.ClientContext.ResponseFactory.CreateQueryFeedUserTypeResponse <T>));
        }
        internal static FeedIteratorCore CreateForPartitionedResource(
            ContainerCore containerCore,
            Uri resourceLink,
            ResourceType resourceType,
            QueryDefinition queryDefinition,
            string continuationToken,
            FeedTokenInternal feedTokenInternal,
            QueryRequestOptions options)
        {
            if (containerCore == null)
            {
                throw new ArgumentNullException(nameof(containerCore));
            }

            return new FeedIteratorCore(
                containerCore: containerCore,
                clientContext: containerCore.ClientContext,
                resourceLink: resourceLink,
                resourceType: resourceType,
                queryDefinition: queryDefinition,
                continuationToken: continuationToken,
                feedTokenInternal: feedTokenInternal,
                options: options);
        }
Пример #4
0
 public abstract FeedIterator <T> GetItemQueryIterator <T>(
     FeedRange feedRange,
     QueryDefinition queryDefinition,
     string continuationToken           = null,
     QueryRequestOptions requestOptions = null);
Пример #5
0
 public abstract FeedIterator GetItemQueryStreamIterator(
     FeedRange feedRange,
     QueryDefinition queryDefinition,
     string continuationToken,
     QueryRequestOptions requestOptions = null);
Пример #6
0
 /// <summary>
 /// This method creates a query for users under an database using a SQL statement. It returns a FeedIterator.
 /// For more information on preparing SQL statements with parameterized values, please see <see cref="QueryDefinition"/> overload.
 /// </summary>
 /// <param name="queryDefinition">The cosmos SQL query definition.</param>
 /// <param name="continuationToken">(Optional) The continuation token in the Azure Cosmos DB service.</param>
 /// <param name="requestOptions">(Optional) The options for the user query request <see cref="QueryRequestOptions"/></param>
 /// <returns>An iterator to go through the users</returns>
 /// <example>
 /// This create the type feed iterator for users with queryDefinition as input.
 /// <code language="c#">
 /// <![CDATA[
 /// string queryText = "SELECT * FROM c where c.id like @testId";
 /// QueryDefinition queryDefinition = new QueryDefinition(queryText);
 /// queryDefinition.WithParameter("@testId", "testUserId");
 /// FeedIterator<UserProperties> resultSet = this.cosmosDatabase.GetUserQueryIterator<UserProperties>(queryDefinition);
 /// while (feedIterator.HasMoreResults)
 /// {
 ///     foreach (UserProperties properties in await feedIterator.ReadNextAsync())
 ///     {
 ///         Console.WriteLine(properties.Id);
 ///     }
 /// }
 /// ]]>
 /// </code>
 /// </example>
 public abstract FeedIterator <T> GetUserQueryIterator <T>(
     QueryDefinition queryDefinition,
     string continuationToken           = null,
     QueryRequestOptions requestOptions = null);
Пример #7
0
 /// <summary>
 /// This method creates a query for containers under an database using a SQL statement. It returns a FeedIterator.
 /// For more information on preparing SQL statements with parameterized values, please see <see cref="QueryDefinition"/> overload.
 /// </summary>
 /// <param name="queryDefinition">The cosmos SQL query definition.</param>
 /// <param name="continuationToken">The continuation token in the Azure Cosmos DB service.</param>
 /// <param name="requestOptions">(Optional) The options for the container request <see cref="QueryRequestOptions"/></param>
 /// <returns>An iterator to go through the containers</returns>
 /// <example>
 /// This create the stream feed iterator for containers with queryDefinition as input.
 /// <code language="c#">
 /// <![CDATA[
 /// string queryText = "SELECT * FROM c where c.id like '%testId%'";
 /// QueryDefinition queryDefinition = new QueryDefinition(queryText);
 /// FeedIterator resultSet = this.cosmosDatabase.GetContainerQueryStreamIterator(queryDefinition);
 /// while (feedIterator.HasMoreResults)
 /// {
 ///     using (ResponseMessage response = await feedIterator.ReadNextAsync())
 ///     {
 ///         using (StreamReader sr = new StreamReader(response.Content))
 ///         using (JsonTextReader jtr = new JsonTextReader(sr))
 ///         {
 ///             JObject result = JObject.Load(jtr);
 ///         }
 ///     }
 /// }
 /// ]]>
 /// </code>
 /// </example>
 public abstract FeedIterator GetContainerQueryStreamIterator(
     QueryDefinition queryDefinition,
     string continuationToken           = null,
     QueryRequestOptions requestOptions = null);
        /// <summary>
        /// Used in the compute gateway to support legacy gateway interface.
        /// </summary>
        public override async Task <TryExecuteQueryResult> TryExecuteQueryAsync(
            QueryFeatures supportedQueryFeatures,
            QueryDefinition queryDefinition,
            string continuationToken,
            FeedRangeInternal feedRangeInternal,
            QueryRequestOptions requestOptions,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            if (queryDefinition == null)
            {
                throw new ArgumentNullException(nameof(queryDefinition));
            }

            if (requestOptions == null)
            {
                throw new ArgumentNullException(nameof(requestOptions));
            }

            if (feedRangeInternal != null)
            {
                // The user has scoped down to a physical partition or logical partition.
                // In either case let the query execute as a passthrough.
                QueryIterator passthroughQueryIterator = QueryIterator.Create(
                    client: this.queryClient,
                    clientContext: this.ClientContext,
                    sqlQuerySpec: queryDefinition.ToSqlQuerySpec(),
                    continuationToken: continuationToken,
                    feedRangeInternal: feedRangeInternal,
                    queryRequestOptions: requestOptions,
                    resourceLink: this.LinkUri,
                    isContinuationExpected: false,
                    allowNonValueAggregateQuery: true,
                    forcePassthrough: true, // Forcing a passthrough, since we don't want to get the query plan nor try to rewrite it.
                    partitionedQueryExecutionInfo: null);

                return(new QueryPlanIsSupportedResult(passthroughQueryIterator));
            }

            cancellationToken.ThrowIfCancellationRequested();

            Documents.PartitionKeyDefinition partitionKeyDefinition;
            if (requestOptions.Properties != null &&
                requestOptions.Properties.TryGetValue("x-ms-query-partitionkey-definition", out object partitionKeyDefinitionObject))
            {
                if (partitionKeyDefinitionObject is Documents.PartitionKeyDefinition definition)
                {
                    partitionKeyDefinition = definition;
                }
                else
                {
                    throw new ArgumentException(
                              "partitionkeydefinition has invalid type",
                              nameof(partitionKeyDefinitionObject));
                }
            }
            else
            {
                ContainerQueryProperties containerQueryProperties = await this.queryClient.GetCachedContainerQueryPropertiesAsync(
                    this.LinkUri,
                    requestOptions.PartitionKey,
                    cancellationToken);

                partitionKeyDefinition = containerQueryProperties.PartitionKeyDefinition;
            }

            QueryPlanHandler queryPlanHandler = new QueryPlanHandler(this.queryClient);

            TryCatch <(PartitionedQueryExecutionInfo queryPlan, bool supported)> tryGetQueryInfoAndIfSupported = await queryPlanHandler.TryGetQueryInfoAndIfSupportedAsync(
                supportedQueryFeatures,
                queryDefinition.ToSqlQuerySpec(),
                partitionKeyDefinition,
                requestOptions.PartitionKey.HasValue,
                cancellationToken);

            if (tryGetQueryInfoAndIfSupported.Failed)
            {
                return(new FailedToGetQueryPlanResult(tryGetQueryInfoAndIfSupported.Exception));
            }

            (PartitionedQueryExecutionInfo queryPlan, bool supported) = tryGetQueryInfoAndIfSupported.Result;
            TryExecuteQueryResult tryExecuteQueryResult;

            if (supported)
            {
                QueryIterator queryIterator = QueryIterator.Create(
                    client: this.queryClient,
                    clientContext: this.ClientContext,
                    sqlQuerySpec: queryDefinition.ToSqlQuerySpec(),
                    continuationToken: continuationToken,
                    feedRangeInternal: feedRangeInternal,
                    queryRequestOptions: requestOptions,
                    resourceLink: this.LinkUri,
                    isContinuationExpected: false,
                    allowNonValueAggregateQuery: true,
                    forcePassthrough: false,
                    partitionedQueryExecutionInfo: queryPlan);

                tryExecuteQueryResult = new QueryPlanIsSupportedResult(queryIterator);
            }
            else
            {
                tryExecuteQueryResult = new QueryPlanNotSupportedResult(queryPlan);
            }

            return(tryExecuteQueryResult);
        }
 public ParametersListAdapter(QueryDefinition queryDefinition)
 {
     this.queryDefinition = queryDefinition;
 }
        /// <summary>
        /// Used in the compute gateway to support legacy gateway interface.
        /// </summary>
        internal async Task <((Exception, PartitionedQueryExecutionInfo), (bool, QueryIterator))> TryExecuteQueryAsync(
            QueryFeatures supportedQueryFeatures,
            QueryDefinition queryDefinition,
            string continuationToken,
            QueryRequestOptions requestOptions,
            CancellationToken cancellationToken = default(CancellationToken))
        {
            if (queryDefinition == null)
            {
                throw new ArgumentNullException(nameof(queryDefinition));
            }

            if (requestOptions == null)
            {
                throw new ArgumentNullException(nameof(requestOptions));
            }

            cancellationToken.ThrowIfCancellationRequested();

            Documents.PartitionKeyDefinition partitionKeyDefinition;
            if (requestOptions.Properties != null &&
                requestOptions.Properties.TryGetValue("x-ms-query-partitionkey-definition", out object partitionKeyDefinitionObject))
            {
                if (partitionKeyDefinitionObject is Documents.PartitionKeyDefinition definition)
                {
                    partitionKeyDefinition = definition;
                }
                else
                {
                    throw new ArgumentException(
                              "partitionkeydefinition has invalid type",
                              nameof(partitionKeyDefinitionObject));
                }
            }
            else
            {
                ContainerQueryProperties containerQueryProperties = await this.queryClient.GetCachedContainerQueryPropertiesAsync(
                    this.LinkUri,
                    requestOptions.PartitionKey,
                    cancellationToken);

                partitionKeyDefinition = containerQueryProperties.PartitionKeyDefinition;
            }

            QueryPlanHandler queryPlanHandler = new QueryPlanHandler(this.queryClient);

            ((Exception exception, PartitionedQueryExecutionInfo partitionedQueryExecutionInfo), bool supported) = await queryPlanHandler.TryGetQueryInfoAndIfSupportedAsync(
                supportedQueryFeatures,
                queryDefinition.ToSqlQuerySpec(),
                partitionKeyDefinition,
                requestOptions.PartitionKey.HasValue,
                cancellationToken);

            if (exception != null)
            {
                return((exception, null), (false, null));
            }

            QueryIterator queryIterator;

            if (supported)
            {
                queryIterator = QueryIterator.Create(
                    client: this.queryClient,
                    clientContext: this.ClientContext,
                    sqlQuerySpec: queryDefinition.ToSqlQuerySpec(),
                    continuationToken: continuationToken,
                    queryRequestOptions: requestOptions,
                    resourceLink: this.LinkUri,
                    isContinuationExpected: false,
                    allowNonValueAggregateQuery: true,
                    partitionedQueryExecutionInfo: partitionedQueryExecutionInfo);
            }
            else
            {
                queryIterator = null;
            }

            return((null, partitionedQueryExecutionInfo), (supported, queryIterator));
        }
Пример #11
0
 public override FeedIteratorInternal GetReadFeedIterator(QueryDefinition queryDefinition, QueryRequestOptions queryRequestOptions, string resourceLink, Documents.ResourceType resourceType, string continuationToken, int pageSize)
 {
     return(base.GetReadFeedIterator(queryDefinition, queryRequestOptions, resourceLink, resourceType, continuationToken, pageSize));
 }