iceberg-cpp
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hive_schema.h
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1/*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20#pragma once
21
22#include <string>
23#include <vector>
24
26#include "iceberg/result.h"
27#include "iceberg/type_fwd.h"
28
31
32namespace iceberg::hive {
33
35struct ICEBERG_HIVE_EXPORT HiveColumn {
36 std::string name;
37 std::string type_string;
38 std::string comment;
39};
40
44ICEBERG_HIVE_EXPORT Result<std::string> TypeToHiveString(const Type& type);
45
49 const Schema& schema);
50
51} // namespace iceberg::hive
A schema for a Table.
Definition schema.h:51
Interface for a data type for a field.
Definition type.h:44
Definition expected.h:1199
Define symbol visibility macros for the Hive catalog library.
Hive catalog APIs.
Definition hive_catalog.h:34
ICEBERG_HIVE_EXPORT Result< std::vector< HiveColumn > > SchemaToHiveColumns(const Schema &schema)
Convert top-level fields to HMS columns. Docs become comments. Field IDs and requiredness are not rep...
ICEBERG_HIVE_EXPORT Result< std::string > TypeToHiveString(const Type &type)
Render a Hive type string, including nested types. Follow Java: variant -> unknown,...
Define Result, Status, and error helpers.
Column metadata passed to HMS.
Definition hive_schema.h:35