69 lines
2.1 KiB
Protocol Buffer
69 lines
2.1 KiB
Protocol Buffer
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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syntax="proto2";
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package doris;
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option java_package = "org.apache.doris.proto";
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import "olap_common.proto";
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message StreamInfoMessage {
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enum Kind {
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ROW_INDEX = 0;
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PRESENT = 1;
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DATA = 2;
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LENGTH = 3;
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DICTIONARY_DATA = 4;
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SECONDARY = 5;
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ROW_INDEX_STATISTIC = 6;
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BLOOM_FILTER = 7;
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}
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required Kind kind = 1;
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required uint32 column_unique_id = 2;
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required uint64 length = 3;
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}
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message ColumnEncodingMessage {
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enum Kind {
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DIRECT = 0;
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DICTIONARY = 1;
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}
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optional Kind kind = 1;
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optional uint32 dictionary_size = 2;
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}
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message ColumnDataHeaderMessage {
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required string magic_string = 1 [default = "COLUMN DATA"];
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required uint32 version = 2 [default = 1];
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required uint64 number_of_rows = 4;
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// column schema
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repeated ColumnMessage column = 5;
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// statistics for each column
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required uint64 index_length = 7;
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required uint64 data_length = 8;
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required CompressKind compress_kind = 9 [default = COMPRESS_LZO];
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repeated StreamInfoMessage stream_info = 10;
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repeated ColumnEncodingMessage column_encoding = 11;
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required uint32 stream_buffer_size = 12;
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optional uint32 num_rows_per_block = 13 [default = 0];
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// bloom filter params
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optional uint32 bf_hash_function_num = 14;
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optional uint32 bf_bit_num = 15;
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}
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