src/paimon/core/view/view.h

/*
 * 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.
 */

#pragma once

#include <map>
#include <memory>
#include <string>
#include <vector>

#include "paimon/result.h"
#include "paimon/schema/schema.h"
#include "paimon/status.h"
#include "paimon/type_fwd.h"
#include "paimon/visibility.h"

struct ArrowSchema;

namespace paimon {

/// Interface for view definition.
class PAIMON_EXPORT View {
 public:
    View() = default;
    virtual ~View() = default;

    /// A name to identify this view.
    virtual std::string Name() const = 0;

    /// Full name of the view, default is database.tableName.
    virtual std::string FullName() const {
        return Name();
    }

    /// Returns the view representation.
    virtual std::string Query() const = 0;

    /// Loads the schema of view.
    virtual std::shared_ptr<Schema> GetSchema() const = 0;
};

}  // namespace paimon