pre and post migration callbacks

callbacks.java

void onCreate() {
	Sprinkles s = Sprinkles.init(this);

	s.migrate(
		new Migration() {
			void onPreMigrate() {
				// TODO query data in id column
			}

			void migrate() {
				Table table = createTable("Notes")
				table.addColumn("id", long.class).constraints(Constraint.primaryKey(), Constraint.autoincrement());
				table.addColumn("title", String.class).constraints(Constraint.notNull());
				table.addColumn("tag_id", long.class).constraints(Constraint.foriegnKey("Tags","id"));
				
				addIndex("TitleIndex", true, "Notes", "title")

				Table table = alterTable("Notes")
				table.addColumn("color", Color.class);
			}

			void onPostMigrate() {
				// TODO re-add data into id column
			}
		}
	));
}

void onCreate() {
	Sprinkles s = Sprinkles.init(this);

	s.migrate(
		new Migration() {
			void onPreMigrate() {
				// TODO query data in id column
			}

			void migrate(SQLiteDatabase db) {
				db.execSql(
					"CREATE TABLE Notes ("+
						"id INTEGER AUTOINCREMENT PRIMARY KEY,"+
						"title TEXT,"+
						"tag_id INTEGER FORIEGN KEY Tags(id),"+
						"color INTEGER"+
					");");
			}

			void onPostMigrate() {
				// TODO re-add data into id column
			}
		}
	));
}