I have two tables. I need to do a procedure that inserts a record or records into a table, depending on whether or not the table already exists. 1. The procedure only works if the person with the pin is already in the person table 2. for variant when i need to add record with new person and corresponding entry in stay_person table, nothing happens 3. When commenting on the% rowtype parameter and changing the body accordingly, the procedure for the first case stops working, and for the second case it works fine.
--CREATE TABLE PERSON
CREATE TABLE PERSON
("P_ID" INTEGER CONSTRAINT PK_PERSON PRIMARY KEY,
"P_NAME" VARCHAR2(20) NOT NULL,
"P_NAME2" VARCHAR2(20) NOT NULL,
"P_PIN" VARCHAR(11) NOT NULL,
CONSTRAINT "LENGTH_PIN" CHECK (LENGTH(P_PIN) = 11),
CONSTRAINT "IS_DIGIT_PIN" CHECK (REGEXP_LIKE(P_PIN, '^[0-9]*$'))
);
--CREATE INDEX
CREATE UNIQUE INDEX I_PERSON_PIN ON PERSON(P_PIN);
--CREATING SEQUENCE
CREATE SEQUENCE SEQ_PERSON START WITH 1 INCREMENT BY 1 MINVALUE 1 NOMAXVALUE NOCYCLE NOCACHE;
COMMIT;
/
--CREATE TABLE STAY_PERSON
CREATE TABLE STAY_PERSON
("PS_ID" INTEGER CONSTRAINT PK_STAY_PERSON PRIMARY KEY,
"PS_P_ID" INTEGER NOT NULL,
"PS_DATE_START" DATE DEFAULT SYSDATE,
"PS_DATE_STOP" DATE DEFAULT SYSDATE,
CONSTRAINT "FK_PERSON" FOREIGN KEY(PS_P_ID) REFERENCES PERSON(P_ID),
CONSTRAINT CK_DATE_START_STOP CHECK (PS_DATE_START <= PS_DATE_STOP)
);
--CREATE INDEX
CREATE INDEX I_STAY_PERSON_DATAE_START ON STAY_PERSON(PS_DATE_START);
CREATE INDEX I_STAY_PERSON_DATAE_STOP ON STAY_PERSON(PS_DATE_STOP);
--CREATE SEQUENCE
CREATE SEQUENCE SEQ_STAY_PERSON START WITH 1 INCREMENT BY 1 MINVALUE 1 NOMAXVALUE NOCYCLE NOCACHE;
-- //
CREATE OR REPLACE PROCEDURE ADD_TO_STAY_PERSON(
NAME2 IN VARCHAR2, NAME IN VARCHAR2, PIN IN VARCHAR2, DATA_START IN DATE, DATA_SOP IN DATE
) AS
V_PERSON INTEGER;
V_P_ID PERSON%ROWTYPE;
V_CURRVAL_P_ID INTEGER;
BEGIN
SELECT COUNT(*)
INTO V_PERSON
FROM PERSON
WHERE P_PIN = PIN;
SELECT *
INTO V_P_ID
FROM PERSON
WHERE P_PIN = PIN;
IF V_Person = 0 THEN
INSERT INTO Person (P_ID, P_NAME, P_NAME2, P_Pin)
VALUES(SEQ_PERSON.NEXTVAL, NAME, NAME2, Pin);
V_CURRVAL_P_ID :=SEQ_PERSON.CURRVAL;
INSERT INTO STAY_PERSON (PS_ID, PS_P_ID, PS_DATE_START, PS_DATE_STOP)
VALUES(SEQ_STAY_PERSON.NEXTVAL, V_CURRVAL_P_ID, Data_Start, Data_Sop);
COMMIT;
END IF;
IF V_PERSON = 1 THEN
INSERT INTO STAY_PERSON (PS_ID, PS_P_ID, PS_DATE_START, PS_DATE_STOP)
VALUES(SEQ_STAY_PERSON.NEXTVAL, V_P_ID.P_ID, Data_Start, Data_Sop);
COMMIT;
END IF;
EXCEPTION
WHEN OTHERS THEN
ROLLBACK;
END ADD_TO_STAY_PERSON;
--//
--INSERT FIRET SAMPLE DATA
INSERT INTO Person (P_ID, P_NAME, P_NAME2, P_Pin)
VALUES(SEQ_PERSON.NEXTVAL, 'DOE', 'JOHN', '00000000001');
INSERT INTO STAY_PERSON (PS_ID, PS_P_ID, PS_DATE_START, PS_DATE_STOP)
VALUES(SEQ_STAY_PERSON.NEXTVAL, 1, SYSDATE-100, SYSDATE-90);
COMMIT;
-- TRY ADD NEW RECORD TO TABLE STAY_PERSON WITH NEW PERSON - FAILED
CALL ADD_TO_STAY_PERSON('DOE', 'JANE', '00000000002', SYSDATE-100, SYSDATE-90);
-- ADD NEW RECORD TO TABLE STAY_PERSON WITH OLD PERSON - OK
CALL ADD_TO_STAY_PERSON('DOE', 'JANE', '00000000001', SYSDATE-85, SYSDATE-70);
You need to catch the exception when the person is not present.
declare
V_P_ID PERSON%ROWTYPE;
begin
SELECT *
INTO V_P_ID
FROM PERSON
WHERE P_PIN = PIN;
-- Do something because person is in table
exception
when no_data_found then
-- Do something because person is not present in table.
end;
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