result_set_descriptor.h

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#pragma once
 
#include "types.h"
 
namespace kuzu {
namespace planner {
class Schema;
} // namespace planner
 
namespace processor {
 
struct DataChunkDescriptor {
    bool isSingleState;
    std::vector<common::LogicalType> logicalTypes;
 
    explicit DataChunkDescriptor(bool isSingleState) : isSingleState{isSingleState} {}
    DataChunkDescriptor(const DataChunkDescriptor& other)
        : isSingleState{other.isSingleState},
          logicalTypes(common::LogicalType::copy(other.logicalTypes)) {}
 
    inline std::unique_ptr<DataChunkDescriptor> copy() const {
        return std::make_unique<DataChunkDescriptor>(*this);
    }
};
 
struct KUZU_API ResultSetDescriptor {
    std::vector<std::unique_ptr<DataChunkDescriptor>> dataChunkDescriptors;
 
    ResultSetDescriptor() = default;
    explicit ResultSetDescriptor(
        std::vector<std::unique_ptr<DataChunkDescriptor>> dataChunkDescriptors)
        : dataChunkDescriptors{std::move(dataChunkDescriptors)} {}
    explicit ResultSetDescriptor(planner::Schema* schema);
    DELETE_BOTH_COPY(ResultSetDescriptor);
 
    std::unique_ptr<ResultSetDescriptor> copy() const;
 
    static std::unique_ptr<ResultSetDescriptor> EmptyDescriptor() {
        return std::make_unique<ResultSetDescriptor>();
    }
};
 
} // namespace processor
} // namespace kuzu