iceberg-cpp
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strict_metrics_evaluator.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
39
40#include <memory>
41
44#include "iceberg/result.h"
45#include "iceberg/type_fwd.h"
46
47namespace iceberg {
48
51class ICEBERG_EXPORT StrictMetricsEvaluator {
52 public:
59 std::shared_ptr<Expression> expr, std::shared_ptr<Schema> schema,
60 bool case_sensitive = true);
61
63
68 Result<bool> Evaluate(const DataFile& data_file) const;
69
70 private:
71 explicit StrictMetricsEvaluator(std::shared_ptr<Expression> expr,
72 std::shared_ptr<Schema> schema);
73
74 private:
75 std::shared_ptr<Expression> expr_;
76 std::shared_ptr<Schema> schema_;
77};
78
79} // namespace iceberg
Evaluates an Expression against DataFile.
Definition strict_metrics_evaluator.h:51
static Result< std::unique_ptr< StrictMetricsEvaluator > > Make(std::shared_ptr< Expression > expr, std::shared_ptr< Schema > schema, bool case_sensitive=true)
Make a strict metrics evaluator.
Result< bool > Evaluate(const DataFile &data_file) const
Evaluate the expression against a DataFile.
Define symbol visibility macros for core Iceberg APIs.
Core Apache Iceberg C++ APIs.
Definition arrow_io_util.h:33
std::expected< T, E > Result
Result alias.
Definition result.h:88
Define Result, Status, and error helpers.
DataFile carries data file path, partition tuple, metrics, ...
Definition manifest_entry.h:62