所以,我有这样的代码: public class Fruit {
public Fruit() {
// base class constructor
}
}
public class Apple: Fruit {
public Fruit(): base() {
// child class constructor
}
: CREATE TABLE "organization_building" (
"id" serial NOT NULL PRIMARY KEY,
"name" varchar(255) NOT NULL);
CREATE TABLE "organization_calendar" (
"id" serial NOT NULL PRIMARY KEY,