DataPreview.h

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/*
 * Copyright 2022 HEAVY.AI, Inc.
 *
 * Licensed 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.
 */

#pragma once

#include <optional>
#include <string>
#include <vector>

#include "Shared/sqltypes.h"

namespace foreign_storage {
using SampleRows = std::vector<std::vector<std::string>>;
struct DataPreview {
  std::vector<std::string> column_names;
  std::vector<SQLTypeInfo> column_types;
  SampleRows sample_rows;
  size_t num_rejected_rows;
};

std::optional<SQLTypes> detect_geo_type(const SampleRows& sample_rows,
                                        size_t column_index);

}  // namespace foreign_storage