/// <summary>
/// Helper method to create a stream feed iterator.
/// It decides if it is a query or read feed and create
/// the correct instance.
/// </summary>
internal FeedIteratorInternal GetItemQueryStreamIteratorInternal(
SqlQuerySpec sqlQuerySpec,
bool isContinuationExcpected,
string continuationToken,
FeedTokenInternal feedToken,
QueryRequestOptions requestOptions)
{
requestOptions = requestOptions ?? new QueryRequestOptions();
if (requestOptions.IsEffectivePartitionKeyRouting)
{
if (feedToken != null)
{
throw new ArgumentException(nameof(feedToken), ClientResources.FeedToken_EffectivePartitionKeyRouting);
}
requestOptions.PartitionKey = null;
}
if (sqlQuerySpec == null)
{
return(FeedIteratorCore.CreateForPartitionedResource(
this,
this.LinkUri,
resourceType: ResourceType.Document,
queryDefinition: null,
continuationToken: continuationToken,
feedTokenInternal: feedToken,
options: requestOptions));
}
return(QueryIterator.Create(
client: this.queryClient,
clientContext: this.ClientContext,
sqlQuerySpec: sqlQuerySpec,
continuationToken: continuationToken,
queryRequestOptions: requestOptions,
resourceLink: this.LinkUri,
isContinuationExpected: isContinuationExcpected,
allowNonValueAggregateQuery: true,
partitionedQueryExecutionInfo: null));
}
