subtype

Hi all

I use

Connected to Oracle Database 11g Express Edition Release 11.2.0.2.0

I learn the subtype

CREATE OR REPLACE TYPE AS OBJECT NEW_PERSON)

FIRST NAME VARCHAR2 (100),

VARCHAR2 (100) LAST_NAME,.

DATE OF BIRTH,

PHONE VARCHAR2 (100),

MEMBERS FUNCTION GET_LAST_NAME RETURN VARCHAR2,

MEMBERS FUNCTION GET_PHONE_NUMBER RETURN VARCHAR2)

NO FINAL

CREATE OR REPLACE TYPE BODY NEW_PERSON AS

MEMBER GET_LAST_NAME RETURN VARCHAR2

IS

BEGIN

RETURN TO THE SELF. LAST_NAME;

END;

MEMBER GET_PHONE_NUMBER RETURN VARCHAR2

IS

BEGIN

RETURN TO THE SELF. PHONE;

END;

END;

CREATE OR REPLACE TYPE NEW_EMPLOYEE UNDER NEW_PERSON)

NUMBER EMPNO,

HIREDATE DATE,

WORK_PHONE VARCHAR2 (100),

THE SUBSTITUTION OF MEMBER FUNCTION GET_PHONE_NUMBER RETURN VARCHAR2

MEMBERS FUNCTION GET_HOME_PHNE_NUMBER VARCHAR2)

NO FINAL

CREATE OR REPLACE TYPE BODY NEW_EMPLOYEE

AS

THE SUBSTITUTION OF THE MEMBER GET_PHONE_NUMBER RETURN VARCHAR2IS FUNCTION

BEGIN

RETURN TO THE SELF. WORK_PHONE;

END;

MEMBER GET_HOME_PHNE_NUMBER RETURN VARCHAR2

IS

BEGIN

RETURN TO THE SELF. PHONE;

END;

CREATE TABLE NEW_PERSON_TABLE (NEW_PERSON P)

INSERT INTO NEW_PERSON_TABLE VALUES (NEW_PERSON (NULL, 'KYTE', NULL, '703.555.555'))

SQL > INSERT INTO NEW_PERSON_TABLE VALUES (NEW_EMPLOYEE(,'BECK',,'703.555.111',1234,,'703.555.222'))

2;

INSERT INTO NEW_PERSON_TABLE VALUES (NEW_EMPLOYEE(,'BECK',,'703.555.111',1234,,'703.555.222'))

ORA-22800: invalid type defined by the user

I am not able to understand the error.

Please help me.

Thank you

Your NEW_EMPLOYEE subtype doesn't compile; You probably missed just the error message (missing the RETURN keyword in the declaration of method GET_HOME_PHNE_NUMBER):

CREATE OR REPLACE TYPE NEW_EMPLOYEE UNDER NEW_PERSON(
                                                    EMPNO NUMBER,
                                                    HIREDATE DATE,
                                                    WORK_PHONE VARCHAR2(100),
                                                    OVERRIDING MEMBER FUNCTION GET_PHONE_NUMBER RETURN VARCHAR2,
                                                    MEMBER FUNCTION GET_HOME_PHNE_NUMBER RETURN VARCHAR2)
                                                    NOT FINAL

Try to re - create the type. It should update your NEW_PERSON_TABLE to be able to store instances of subtype of NEW_PERSON in column P.

Gerard

Tags: Database

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