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);
}
public abstract FeedIterator <T> GetItemQueryIterator <T>(
FeedRange feedRange,
QueryDefinition queryDefinition,
string continuationToken = null,
QueryRequestOptions requestOptions = null);
public abstract FeedIterator GetItemQueryStreamIterator(
FeedRange feedRange,
QueryDefinition queryDefinition,
string continuationToken,
QueryRequestOptions requestOptions = null);
/// <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);
/// <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));
}
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));
}