cols = PQnfields (res);
if (query->cols_num != cols) {
log_err ("SQL query returned wrong number of fields "
"(expected: %i, got: %i)", query->cols_num, cols);
log_info ("SQL query was: %s", query->query);
cols = PQnfields (res);
if (query->cols_num != cols) {
log_err ("SQL query returned wrong number of fields "
"(expected: %i, got: %i)", query->cols_num, cols);
log_info ("SQL query was: %s", query->query);