susumu.yata
null+****@clear*****
Thu Nov 27 16:14:13 JST 2014
susumu.yata 2014-11-27 16:14:13 +0900 (Thu, 27 Nov 2014) New Revision: 34306dec6d6c4412dbaf1946ba8ee5b100f5ec1b https://github.com/groonga/grnxx/commit/34306dec6d6c4412dbaf1946ba8ee5b100f5ec1b Message: Specialize ConstantNode<Vector<Text>>. Modified files: lib/grnxx/impl/expression.cpp Modified: lib/grnxx/impl/expression.cpp (+35 -2) =================================================================== --- lib/grnxx/impl/expression.cpp 2014-11-27 15:01:54 +0900 (4c465df) +++ lib/grnxx/impl/expression.cpp 2014-11-27 16:14:13 +0900 (69561f8) @@ -288,11 +288,44 @@ class ConstantNode<Vector<T>> : public TypedNode<Vector<T>> { } private: - // TODO: ConstantNode should be specialized for Vector<Text> because - // Array<T> stores only references. Array<T> value_; }; +// TODO: Vector will have ownership in future. +template <> +class ConstantNode<Vector<Text>> : public TypedNode<Vector<Text>> { + public: + using Value = Vector<Text>; + + explicit ConstantNode(const Value &value) + : TypedNode<Value>(), + value_(), + bodies_() { + size_t value_size = value.raw_size(); + value_.resize(value_size); + bodies_.resize(value_size); + for (size_t i = 0; i < value_size; ++i) { + bodies_[i].assign(value[i].raw_data(), value[i].raw_size()); + value_[i] = Text(bodies_[i].data(), bodies_[i].size()); + } + } + ~ConstantNode() = default; + + NodeType node_type() const { + return CONSTANT_NODE; + } + + void evaluate(ArrayCRef<Record> records, ArrayRef<Value> results) { + for (size_t i = 0; i < records.size(); ++i) { + results[i] = Value(value_.data(), value_.size()); + } + } + + private: + Array<Text> value_; + Array<String> bodies_; +}; + // -- RowIDNode -- class RowIDNode : public TypedNode<Int> { -------------- next part -------------- HTML����������������������������...下載
