| // 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 doris; |
| option java_package = "org.apache.doris.proto"; |
| |
| message PScalarType { |
| // TPrimitiveType, use int32 to avoid redefine Enum |
| required int32 type = 1; |
| // Only set if type == CHAR or type == VARCHAR |
| optional int32 len = 2; |
| // Only set for DECIMAL |
| optional int32 precision = 3; |
| optional int32 scale = 4; |
| }; |
| |
| // Represents a field in a STRUCT type. |
| // TODO: Model column stats for struct fields. |
| message PStructField { |
| required string name = 1; |
| optional string comment = 2; |
| }; |
| |
| message PTypeNode { |
| // TTypeNodeType(SCALAR, ARRAY, MAP, STRUCT) |
| required int32 type = 1; |
| // only set for scalar types |
| optional PScalarType scalar_type = 2; |
| // only used for structs; has struct_fields.size() corresponding child types |
| repeated PStructField struct_fields = 3; |
| }; |
| |
| // A flattened representation of a tree of column types obtained by depth-first |
| // traversal. Complex types such as map, array and struct have child types corresponding |
| // to the map key/value, array item type, and struct fields, respectively. |
| // For scalar types the list contains only a single node. |
| // Note: We cannot rename this to TType because it conflicts with Thrift's internal TType |
| // and the generated Python thrift files will not work. |
| // Note: TTypeDesc in impala is TColumnType, but we already use TColumnType, so we name this |
| // to TTypeDesc. In future, we merge these two to one |
| message PTypeDesc { |
| repeated PTypeNode types = 1; |
| }; |
| |
| message PUniqueId { |
| required int64 hi = 1; |
| required int64 lo = 2; |
| }; |
| |