Method execute

hdr/sqlite_modern_cpp.h:83–93

		}

		void execute() {
			int hresult;
			used(true); /* prevent from executing again when goes out of scope */

			while((hresult = sqlite3_step(_stmt.get())) == SQLITE_ROW) {}

			if(hresult != SQLITE_DONE) {
				errors::throw_sqlite_error(hresult, sql());
			}
			
		}
		
		std::string sql() {
#if SQLITE_VERSION_NUMBER >= 3014000