internal OutputRows(FrameReader reader, Guid?traceId) { _metadata = new RowSetMetadata(reader); _rowLength = reader.ReadInt32(); TraceId = traceId; RowSet = new RowSet(); ProcessRows(RowSet, reader); }
internal virtual Row ProcessRowItem(FrameReader reader) { var rowValues = new object[_metadata.Columns.Length]; for (var i = 0; i < _metadata.Columns.Length; i++) { var c = _metadata.Columns[i]; var length = reader.ReadInt32(); if (length < 0) { rowValues[i] = null; continue; } var buffer = GetBuffer(length, c.TypeCode); rowValues[i] = reader.ReadFromBytes(buffer, 0, length, c.TypeCode, c.TypeInfo); } return(new Row(rowValues, _metadata.Columns, _metadata.ColumnIndexes)); }
internal RowSetMetadata(FrameReader reader, bool parsePartitionKeys = false) { if (reader == null) { //Allow to be created for unit tests return; } var flags = (RowSetMetadataFlags)reader.ReadInt32(); var columnLength = reader.ReadInt32(); if (parsePartitionKeys) { PartitionKeys = new int[reader.ReadInt32()]; for (var i = 0; i < PartitionKeys.Length; i++) { PartitionKeys[i] = reader.ReadInt16(); } } string gKsname = null; string gTablename = null; if ((flags & RowSetMetadataFlags.HasMorePages) == RowSetMetadataFlags.HasMorePages) { PagingState = reader.ReadBytes(); } if ((flags & RowSetMetadataFlags.NoMetadata) == RowSetMetadataFlags.NoMetadata) { return; } if ((flags & RowSetMetadataFlags.GlobalTablesSpec) == RowSetMetadataFlags.GlobalTablesSpec) { gKsname = reader.ReadString(); gTablename = reader.ReadString(); } Columns = new CqlColumn[columnLength]; ColumnIndexes = new Dictionary <string, int>(columnLength); for (var i = 0; i < columnLength; i++) { var col = new CqlColumn { Index = i }; if ((flags & RowSetMetadataFlags.GlobalTablesSpec) == 0) { col.Keyspace = reader.ReadString(); col.Table = reader.ReadString(); } else { col.Keyspace = gKsname; col.Table = gTablename; } col.Name = reader.ReadString(); col.TypeCode = (ColumnTypeCode)reader.ReadUInt16(); col.TypeInfo = GetColumnInfo(reader, col.TypeCode); col.Type = reader.Serializer.GetClrType(col.TypeCode, col.TypeInfo); Columns[i] = col; ColumnIndexes[col.Name] = i; } Keyspace = gKsname ?? (columnLength > 0 ? Columns[0].Keyspace : null); }