Statement.h

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#ifndef LINTEL_POSTGRESQL_STATEMENT_H
#define LINTEL_POSTGRESQL_STATEMENT_H
 
#include <string_view>
 
#include "Connection.h"
 
namespace lintel {
namespace db {
  class Statement;
  class Cursor;
}// namespace db
 
namespace postgresql {
  class Statement
  {
  private:
    const Connection &m_connection;
 
    static constexpr int32_t initNParams(std::string_view tempStatement)
    {
      int32_t count = 0;
      for (const char c : tempStatement) {
        if (c == '?') { ++count; }
      }
      return count;
    }
 
    static std::string initStatement(const std::string &tempStatement);
 
    friend class db::Statement;
    friend class db::Cursor;
 
  public:
    explicit Statement(const Connection &connection);
 
    std::shared_ptr<Result> execute(const std::string &query);
 
    std::shared_ptr<Result> execute(const std::string &query, const std::vector<std::string> &params);
  };
}// namespace postgresql
 
}// namespace lintel
#endif// LINTEL_POSTGRESQL_STATEMENT_H