我有一个“用户”类，如下所示：
public class User{
private String firstname;
private String lastname;
private String[] departments;
}
我想将 User 类型的对象传递给我的 oracle 存储过程，该存储过程将对象类型作为参数。所以我这样做是为了实现我的解决方案：-
1. Created USER_SEARCH_OBJ as a type in database as follows:-
create or replace
TYPE USER_SEARCH_OBJ AS OBJECT (
FIRST_NAME VARCHAR2(256),
LAST_NAME VARCHAR2(256),
DEPARTMENTS TABLE_OF_VALUES,
);
2. Created TABLE_OF_VALUES as a type in database as follows:-
create or replace TYPE TABLE_OF_VALUES AS TABLE OF VARCHAR2(20);
3. Passed the User object from Java class as follows:-
Object[] departments = {"1","2"};
StructDescriptor objDescriptor = StructDescriptor.createDescriptor("USER_SEARCH_OBJ", conn.getMetaData().getConnection());
ArrayDescriptor arrayDescriptor = ArrayDescriptor.createDescriptor("TABLE_OF_VALUES", conn.getMetaData().getConnection());
ARRAY departmentArr = new ARRAY(arrayDescriptor, conn.getMetaData().getConnection(), departments );
Object[] userProperties = new Object[2];
userProperties [0] = "paras";//first_name
userProperties [1] = "anand";//last_name
userProperties [2] = departmentArr ;//department array
STRUCT searchObj = new STRUCT(objDescriptor, conn.getMetaData().getConnection(), userProperties );
CallableStatement cStmt = conn.prepareCall("PCK_SEARCH2.USER_SEARCH(?,?)");
cStmt.setObject(1, searchObj);
cStmt.registerOutParameter(2, OracleTypes.CURSOR);
cStmt.execute();
但是当我运行这段代码时，我得到一个异常如下： -
java.sql.SQLException: Inconsistent java and sql object types
at oracle.sql.StructDescriptor.toOracleArray(StructDescriptor.java:709)
at oracle.sql.StructDescriptor.toArray(StructDescriptor.java:1296)
at oracle.sql.STRUCT.<init>(STRUCT.java:165)
at com.ensenda.lmp.web.controller.User.main(User.java:75)
此异常出现在以下代码行：-
STRUCT searchObj = new STRUCT(objDescriptor, conn.getMetaData().getConnection(), userProperties );
请让我知道我哪里出错了。