be/src/olap/rowset/rowset_factory.cpp

// Licensed to the Apache Software Foundation (ASF) under one
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// to you under the Apache License, Version 2.0 (the
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// 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,
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// specific language governing permissions and limitations
// under the License.

#include "olap/rowset/rowset_factory.h"

#include <gen_cpp/olap_file.pb.h>

#include <memory>

#include "beta_rowset.h"
#include "cloud/cloud_rowset_writer.h"
#include "cloud/config.h"
#include "io/fs/file_writer.h" // IWYU pragma: keep
#include "olap/rowset/beta_rowset_writer.h"
#include "olap/rowset/rowset_writer.h"
#include "olap/rowset/rowset_writer_context.h"
#include "olap/rowset/vertical_beta_rowset_writer.h"
#include "olap/storage_engine.h"
#include "runtime/exec_env.h"

namespace doris {
using namespace ErrorCode;

Status RowsetFactory::create_rowset(const TabletSchemaSPtr& schema, const std::string& tablet_path,
                                    const RowsetMetaSharedPtr& rowset_meta,
                                    RowsetSharedPtr* rowset) {
    if (rowset_meta->rowset_type() == ALPHA_ROWSET) {
        return Status::Error<ROWSET_INVALID>("invalid rowset_type");
    }
    if (rowset_meta->rowset_type() == BETA_ROWSET) {
        rowset->reset(new BetaRowset(schema, rowset_meta, tablet_path));
        return (*rowset)->init();
    }
    return Status::Error<ROWSET_TYPE_NOT_FOUND>("invalid rowset_type"); // should never happen
}

Result<std::unique_ptr<RowsetWriter>> RowsetFactory::create_rowset_writer(
        StorageEngine& engine, const RowsetWriterContext& context, bool is_vertical) {
    if (context.rowset_type == ALPHA_ROWSET) {
        return ResultError(Status::Error<ROWSET_INVALID>("invalid rowset_type"));
    }

    if (context.rowset_type == BETA_ROWSET) {
        std::unique_ptr<RowsetWriter> writer;
        if (is_vertical) {
            writer = std::make_unique<VerticalBetaRowsetWriter<BetaRowsetWriter>>(engine);
        } else {
            writer = std::make_unique<BetaRowsetWriter>(engine);
        }
        RETURN_IF_ERROR_RESULT(writer->init(context));
        return writer;
    }

    return ResultError(Status::Error<ROWSET_TYPE_NOT_FOUND>("invalid rowset_type"));
}

Result<std::unique_ptr<RowsetWriter>> RowsetFactory::create_rowset_writer(
        CloudStorageEngine& engine, const RowsetWriterContext& context, bool is_vertical) {
    DCHECK_EQ(context.rowset_type, BETA_ROWSET);
    // TODO(plat1ko): cloud vertical rowset writer
    std::unique_ptr<RowsetWriter> writer;
    if (is_vertical) {
        writer = std::make_unique<VerticalBetaRowsetWriter<CloudRowsetWriter>>();
    } else {
        writer = std::make_unique<CloudRowsetWriter>();
    }

    RETURN_IF_ERROR_RESULT(writer->init(context));
    return writer;
}

} // namespace doris