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Original file line number | Diff line number | Diff line change |
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#include "common/rel_direction.h" | ||
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#include "common/exception.h" | ||
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namespace kuzu { | ||
namespace common { | ||
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std::string RelDataDirectionUtils::relDataDirectionToString(RelDataDirection direction) { | ||
switch (direction) { | ||
case RelDataDirection::FWD: { | ||
return "forward"; | ||
} | ||
case RelDataDirection::BWD: { | ||
return "backward"; | ||
} | ||
default: | ||
throw NotImplementedException("RelDataDirectionUtils::relDataDirectionToString"); | ||
} | ||
} | ||
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} // namespace common | ||
} // namespace kuzu |
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Original file line number | Diff line number | Diff line change |
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#pragma once | ||
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#include <cstdint> | ||
#include <vector> | ||
#include <string> | ||
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namespace kuzu { | ||
namespace common { | ||
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enum RelDataDirection : uint8_t { FWD = 0, BWD = 1 }; | ||
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struct RelDataDirectionUtils { | ||
static inline std::vector<RelDataDirection> getRelDataDirections() { | ||
return std::vector<RelDataDirection>{RelDataDirection::FWD, RelDataDirection::BWD}; | ||
} | ||
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static std::string relDataDirectionToString(RelDataDirection direction); | ||
}; | ||
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} // namespace common | ||
} // namespace kuzu |
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34 changes: 34 additions & 0 deletions
34
src/include/planner/logical_plan/logical_operator/extend_direction.h
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Original file line number | Diff line number | Diff line change |
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#pragma once | ||
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#include <cstdint> | ||
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#include "binder/expression/rel_expression.h" | ||
#include "common/rel_direction.h" | ||
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namespace kuzu { | ||
namespace planner { | ||
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enum class ExtendDirection : uint8_t { FWD = 0, BWD = 1, BOTH = 2 }; | ||
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struct ExtendDirectionUtils { | ||
static inline ExtendDirection getExtendDirection( | ||
const binder::RelExpression& relExpression, const binder::NodeExpression& boundNode) { | ||
if (relExpression.getDirectionType() == binder::RelDirectionType::BOTH) { | ||
return ExtendDirection::BOTH; | ||
} | ||
if (relExpression.getSrcNodeName() == boundNode.getUniqueName()) { | ||
return ExtendDirection::FWD; | ||
} else { | ||
return ExtendDirection::BWD; | ||
} | ||
} | ||
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static inline common::RelDataDirection getRelDataDirection(ExtendDirection extendDirection) { | ||
assert(extendDirection != ExtendDirection::BOTH); | ||
return extendDirection == ExtendDirection::FWD ? common::RelDataDirection::FWD : | ||
common::RelDataDirection::BWD; | ||
} | ||
}; | ||
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} // namespace planner | ||
} // namespace kuzu |
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