Error Codes

SQLHENV env;
SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &env);

SQLSetEnvAttr(env, SQL_ATTR_ODBC_VERSION, reinterpret_cast<void*>(SQL_OV_ODBC3), 0);

SQLHDBC dbc;
SQLAllocHandle(SQL_HANDLE_DBC, env, &dbc);

SQLCHAR connectStr[] = "DRIVER={Apache Ignite};SERVER=localhost;PORT=10800;SCHEMA=Person;";
SQLDriverConnect(dbc, NULL, connectStr, SQL_NTS, 0, 0, 0, SQL_DRIVER_COMPLETE);

SQLAllocHandle(SQL_HANDLE_STMT, dbc, &stmt);

SQLCHAR query[] = "SELECT firstName, lastName, resume, salary FROM Person";
SQLRETURN ret = SQLExecDirect(stmt, query, SQL_NTS);

if (ret != SQL_SUCCESS)
{
	SQLCHAR sqlstate[7] = "";
	SQLINTEGER nativeCode;

	SQLCHAR message[1024];
	SQLSMALLINT reallen = 0;

	int i = 1;
	ret = SQLGetDiagRec(SQL_HANDLE_STMT, stmt, i, sqlstate,
                      &nativeCode, message, sizeof(message), &reallen);
	
	while (ret != SQL_NO_DATA)
	{
		std::cout << sqlstate << ": " << message;
	
		++i;
		ret = SQLGetDiagRec(SQL_HANDLE_STMT, stmt, i, sqlstate, 
                        &nativeCode, message, sizeof(message), &reallen);
	}
}