48 lines
2.0 KiB
C++
48 lines
2.0 KiB
C++
#ifndef QUERY_POSTGRES_RESULT_READER_HPP
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#define QUERY_POSTGRES_RESULT_READER_HPP
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#include <libpq-fe.h>
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#include "matador/sql/query_result_reader.hpp"
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namespace matador::backends::postgres {
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class postgres_result_reader : public sql::query_result_reader
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{
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public:
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explicit postgres_result_reader(PGresult *result);
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~postgres_result_reader() override;
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[[nodiscard]] size_t column_count() const override;
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[[nodiscard]] const char *column(size_t index) const override;
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bool fetch() override;
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void read_value(const char *id, size_t index, char &value) override;
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void read_value(const char *id, size_t index, short &value) override;
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void read_value(const char *id, size_t index, int &value) override;
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void read_value(const char *id, size_t index, long &value) override;
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void read_value(const char *id, size_t index, long long int &value) override;
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void read_value(const char *id, size_t index, unsigned char &value) override;
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void read_value(const char *id, size_t index, unsigned short &value) override;
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void read_value(const char *id, size_t index, unsigned int &value) override;
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void read_value(const char *id, size_t index, unsigned long &value) override;
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void read_value(const char *id, size_t index, unsigned long long int &value) override;
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void read_value(const char *id, size_t index, bool &value) override;
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void read_value(const char *id, size_t index, float &value) override;
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void read_value(const char *id, size_t index, double &value) override;
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void read_value(const char *id, size_t index, char *value, size_t s) override;
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void read_value(const char *id, size_t index, std::string &value) override;
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void read_value(const char *id, size_t index, std::string &value, size_t s) override;
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void read_value(const char *id, size_t index, sql::any_type &value, sql::data_type_t type, size_t size) override;
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private:
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PGresult *result_{};
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size_t row_count_{};
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size_t column_count_{};
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size_t row_index_{0};
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};
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}
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#endif //QUERY_POSTGRES_RESULT_READER_HPP
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