public BucketKeysEnumerator(string dbName, string colName, string queryString, NodeContext context)
{
_dbName = dbName;
_colName = colName;
if (context != null)
{
_databasesManager = context.DatabasesManager;
}
Alachisoft.NosDB.Common.Server.Engine.Impl.Query query = new Alachisoft.NosDB.Common.Server.Engine.Impl.Query();
query.QueryText = queryString;
Alachisoft.NosDB.Common.Server.Engine.Impl.ReadQueryOperation readQueryOperation = new Alachisoft.NosDB.Common.Server.Engine.Impl.ReadQueryOperation();
readQueryOperation.Database = dbName;
readQueryOperation.Collection = colName;
readQueryOperation.Query = query;
if (_databasesManager != null)
{
response = _databasesManager.ExecuteReader(readQueryOperation);
}
if (response == null || !response.IsSuccessfull)
{
throw new Exception(Common.ErrorHandling.ErrorMessages.GetErrorMessage(response.ErrorCode) + ":Query failed on collection" + colName);
}
if (response != null && response.DataChunk != null && response.DataChunk.Documents != null && response.DataChunk.Documents.Count > 0)
{
lastDataChunk = response.DataChunk;
isLastChunk = response.DataChunk.IsLastChunk;
this.dataChunkEnumerator = response.DataChunk.Documents.GetEnumerator();
}
}
public void Dispose()
{
this.response = null;
}
public void Reset()
{
response = null;
}
