the data found is a collection of the corresponding types of tables, which can be received. But when traversing, you will run out of ClassCaseException
the data found is a collection of the corresponding types of tables, which can be received. But when traversing, you will run out of ClassCaseException
Table field and entity class code paste
query two or more fields. By default, the list collection is returned. The list collection encapsulates Object [], and the length is the same as the number of fields queried.
Return the query results as a List. If the query contains multiple results pre row, the results are returned in an instance of Object [].
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< H2 > description: < H2 > there are 19 pieces of data in total. When using PageRequest.of (page, limit) for paging query, as long as the limit parameter is greater than 19, it is found to be empty. less than 19:00, function is normal. < H2 > Test C...
the test case cannot roll back the data and is inserted directly into the database? applicationContext.xml <context:annotation-config>< context:annotation-config> <!--dataSource--> <bean id="dataSource" class="org...
this is to get List < PortfolioMemberView > at the Dao layer, and I am in the public List<PortfolioMemberView> getPortfolioMemberViewByPid(Integer pid){ portfolioId System.out.print(pid); try { Session sessi...
How do associated annotations such as @ OneToMany, @ OneToOne, @ ManyToMany, etc., specify the fields to be queried? for example, the following code @Entity @Table(name = "db_user") public class User{ @Id @GeneratedValue(strategy = ...