%NOTFOUND のサンプル


  暗黙のカーソルの間違った使用




  

CREATE or REPLACE PROCEDURE INSCUSTOMER AS

/* 変数定義 */
        VCUSTOMER_NO    NUMBER;
        VTEL_NO         CHAR(17);
        VSEX_CD         NUMBER;
        VBIRTHDAY       DATE;
        VDELIVERY_CD    NUMBER;
        VAREA_CD        CHAR(4);
        VOCUPTON_CD     NUMBER;
        VMARRIED_CD     NUMBER;
        VLISTTYPE_CD    NUMBER;
        VDM_PBLSH_FLG   NUMBER;
        VNEW_ODR_DAY    DATE;
        VDUMMY          NUMBER;

/* カーソル定義 */
        CURSOR customer_cur is 
                select
                        CUSTOMER_NO,
                        TEL_NO,
                        SEX_CD,
                        BIRTHDAY,
                        DELIVERY_CD,
                        AREA_CD,
                        OCUPTON_CD,
                        MARRIED_CD,
                        LISTTYPE_CD,
                        DM_PBLSH_FLG,
                        NEW_ODR_DAY
                from
                        W_CUSTOMER
                where
                        DISCRIM_FLG = 1;

/* 処理開始 */
BEGIN

        OPEN    customer_cur;

        LOOP

                FETCH
                        customer_cur
                INTO
                        VCUSTOMER_NO,
                        VTEL_NO,
                        VSEX_CD,
                        VBIRTHDAY,
                        VDELIVERY_CD,
                        VAREA_CD,
                        VOCUPTON_CD,
                        VMARRIED_CD,
                        VLISTTYPE_CD,
                        VDM_PBLSH_FLG,
                        VNEW_ODR_DAY;

                EXIT    WHEN    customer_cur%NOTFOUND;

                BEGIN
                        select CUSTOMER_NO into VDUMMY from CUSTOMER
                        where
                                CUSTOMER_NO = VCUSTOMER_NO and
                                TEL_NO = VTEL_NO and
                                LISTTYPE_CD = VLISTTYPE_CD;
                EXCEPTION
                        WHEN NO_DATA_FOUND  NULL;
                        TOO_MANY_ROWS THEN NULL;
                END;

                IF     SQL%NOTFOUND    THEN  
                        INSERT  INTO 
                                CUSTOMER 
                        values(
                                VCUSTOMER_NO,
                                VTEL_NO,
                                VSEX_CD,
                                VBIRTHDAY,
                                VDELIVERY_CD,
                                VAREA_CD,
                                VOCUPTON_CD,
                                VMARRIED_CD,
                                VLISTTYPE_CD,
                                VDM_PBLSH_FLG,
                                VNEW_ODR_DAY
                        );
                ELSE
                        NULL;
                END IF;

        COMMIT;

        END LOOP;

        CLOSE   customer_cur;

        COMMIT;

END;
  







  正しい使用方法




SELECT INTO が、集計関数を使用している場合は、必ず行を返すので、
TOO_MANY_ROWS のみ必要となります。

SQL%NOTFOUND は、通常例外を発生しない UPDATE や DELETE の
更新対象が存在したかどうかを知るのに使用します

  

CREATE or REPLACE PROCEDURE INSCUSTOMER AS

/* 変数定義 */
        VCUSTOMER_NO    NUMBER;
        VTEL_NO         CHAR(17);
        VSEX_CD         NUMBER;
        VBIRTHDAY       DATE;
        VDELIVERY_CD    NUMBER;
        VAREA_CD        CHAR(4);
        VOCUPTON_CD     NUMBER;
        VMARRIED_CD     NUMBER;
        VLISTTYPE_CD    NUMBER;
        VDM_PBLSH_FLG   NUMBER;
        VNEW_ODR_DAY    DATE;
        VDUMMY          NUMBER;

/* カーソル定義 */
        CURSOR customer_cur is 
                select
                        CUSTOMER_NO,
                        TEL_NO,
                        SEX_CD,
                        BIRTHDAY,
                        DELIVERY_CD,
                        AREA_CD,
                        OCUPTON_CD,
                        MARRIED_CD,
                        LISTTYPE_CD,
                        DM_PBLSH_FLG,
                        NEW_ODR_DAY
                from
                        W_CUSTOMER
                where
                        DISCRIM_FLG = 1;

/* 処理開始 */
BEGIN

        OPEN    customer_cur;

        LOOP

                FETCH
                        customer_cur
                INTO
                        VCUSTOMER_NO,
                        VTEL_NO,
                        VSEX_CD,
                        VBIRTHDAY,
                        VDELIVERY_CD,
                        VAREA_CD,
                        VOCUPTON_CD,
                        VMARRIED_CD,
                        VLISTTYPE_CD,
                        VDM_PBLSH_FLG,
                        VNEW_ODR_DAY;

                EXIT    WHEN    customer_cur%NOTFOUND;

                BEGIN
                        select CUSTOMER_NO into VDUMMY from CUSTOMER
                        where
                                CUSTOMER_NO = VCUSTOMER_NO and
                                TEL_NO = VTEL_NO and
                                LISTTYPE_CD = VLISTTYPE_CD;
                EXCEPTION
                        WHEN NO_DATA_FOUND
                           INSERT  INTO 
                                CUSTOMER 
                           values(
                                VCUSTOMER_NO,
                                VTEL_NO,
                                VSEX_CD,
                                VBIRTHDAY,
                                VDELIVERY_CD,
                                VAREA_CD,
                                VOCUPTON_CD,
                                VMARRIED_CD,
                                VLISTTYPE_CD,
                                VDM_PBLSH_FLG,
                                VNEW_ODR_DAY
                           );
                        TOO_MANY_ROWS THEN NULL;
                END;

        COMMIT;

        END LOOP;

        CLOSE   customer_cur;

        COMMIT;

END;
  




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