| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| // |
| |
| syntax="proto2"; |
| |
| package impala; |
| |
| import "common.proto"; |
| |
| // The serialized version of a header of a RowBatch (in be/src/runtime/row-batch.h). |
| // It contains the meta-data of a row batch. The actual data of a row batch is sent |
| // as KRPC sidecars. Please see TransmitDataRequestPB for details. |
| // All fields are required in V1. |
| message RowBatchHeaderPB { |
| // Total number of rows contained in this batch. |
| optional int32 num_rows = 1; |
| |
| // Number of tuples per row in this batch. |
| optional int32 num_tuples_per_row = 2; |
| |
| // Size of 'tuple_data' in bytes before any compression is applied. |
| optional int64 uncompressed_size = 3; |
| |
| // The compression codec (if any) used for compressing the row batch. |
| optional CompressionType compression_type = 4; |
| } |