/// <summary>
/// Queries the collection
/// https://msdn.microsoft.com/en-us/library/azure/dn783363.aspx
/// </summary>
/// <param name="queryString">Query string</param>
/// <param name="queryParams">Query parameters</param>
/// <param name="pageSize">Page size for result paging</param>
/// <param name="continuationToken">Continuation token for next page</param>
/// <returns>One page of results, with meta data</returns>
public async Task <DocDbRestQueryResult> QueryCollectionAsync(
string queryString,
Dictionary <string, object> queryParams,
int pageSize = -1,
string continuationToken = null)
{
if (string.IsNullOrWhiteSpace(queryString))
{
throw new ArgumentNullException(nameof(queryString));
}
var query =
this.documentDbClient.CreateDocumentQuery <JObject>(
UriFactory.CreateDocumentCollectionUri(this.databaseName, this.collectionName),
new SqlQuerySpec
{
QueryText = queryString,
Parameters = ToSqlQueryParamtereCollection(queryParams)
},
new FeedOptions {
MaxItemCount = pageSize, RequestContinuation = continuationToken
})
.AsDocumentQuery();
var response = await query.ExecuteNextAsync <JObject>().ConfigureAwait(false);
var result = new DocDbRestQueryResult
{
ResultSet = new JArray(response.ToArray()),
TotalResults = response.Count,
ContinuationToken = query.HasMoreResults ? response.ResponseContinuation : null
};
return(result);
}
/// <summary>
/// The query document collection async.
/// </summary>
/// <param name="queryString">
/// The query string.
/// </param>
/// <param name="queryParams">
/// The query parameters.
/// </param>
/// <param name="partitionId">
/// The partition id.
/// </param>
/// <param name="enableCrossPartitionQuery">
/// The enable cross partition query.
/// </param>
/// <param name="enableScanInQuery">
/// The enable scan in query.
/// </param>
/// <param name="pageSize">
/// The page size.
/// </param>
/// <param name="maxDegreeOfParallelism">
/// The max degree of parallelism.
/// </param>
/// <param name="continuationToken">
/// The continuation token.
/// </param>
/// <returns>
/// The <see cref="Task"/>.
/// Document DB query result
/// </returns>
/// <exception cref="ArgumentNullException">
/// Null argument
/// </exception>
private async Task <DocDbRestQueryResult> QueryDocumentCollectionAsync(
string queryString,
Dictionary <string, object> queryParams,
string partitionId,
bool enableCrossPartitionQuery,
bool enableScanInQuery,
int pageSize,
int maxDegreeOfParallelism,
string continuationToken)
{
if (string.IsNullOrWhiteSpace(queryString))
{
throw new ArgumentNullException(nameof(queryString));
}
var feedOptions = new FeedOptions
{
PartitionKey = new PartitionKey(partitionId),
EnableCrossPartitionQuery = enableCrossPartitionQuery,
EnableScanInQuery = enableScanInQuery,
MaxItemCount = pageSize,
RequestContinuation = continuationToken,
MaxDegreeOfParallelism = maxDegreeOfParallelism
};
var query =
this.documentDbClient.CreateDocumentQuery <JObject>(
UriFactory.CreateDocumentCollectionUri(this.databaseName, this.collectionName),
new SqlQuerySpec
{
QueryText = queryString,
Parameters = ToSqlQueryParamtereCollection(queryParams)
},
feedOptions)
.AsDocumentQuery();
var response = await query.ExecuteNextAsync <JObject>().ConfigureAwait(false);
var result = new DocDbRestQueryResult
{
ResultSet = new JArray(response.ToArray()),
TotalResults = response.Count,
ContinuationToken = query.HasMoreResults ? response.ResponseContinuation : null
};
return(result);
}
