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#pragma once
#include <biboumi.h>
#include <string>
#include <stdexcept>
#include <memory>
#include <database/statement.hpp>
#include <database/engine.hpp>
#include <tuple>
#include <set>
#ifdef PQ_FOUND
#include <libpq-fe.h>
class PostgresqlEngine: public DatabaseEngine
{
public:
PostgresqlEngine(PGconn*const conn);
~PostgresqlEngine();
static std::unique_ptr<DatabaseEngine> open(const std::string& string);
std::set<std::string> get_all_columns_from_table(const std::string& table_name) override final;
std::tuple<bool, std::string> raw_exec(const std::string& query) override final;
std::unique_ptr<Statement> prepare(const std::string& query) override;
void extract_last_insert_rowid(Statement& statement) override;
std::string get_returning_id_sql_string(const std::string& col_name) override;
std::string id_column_type() override;
private:
PGconn* const conn;
};
#else
using namespace std::string_literals;
class PostgresqlEngine
{
public:
static std::unique_ptr<DatabaseEngine> open(const std::string& string)
{
throw std::runtime_error("Cannot open postgresql database "s + string + ": biboumi is not compiled with libpq.");
return {};
}
};
#endif
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