• 周四. 12月 1st, 2022

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存储过程中拼接sql的示例

admin

11月 28, 2021

create or replace package body CRF_CMS_DOCTOR_PKG is

–根据医院查询医生
PROCEDURE P_HOSPITALBYDOCTOR_LIST
(
v_HOSPITAL_ID IN NUMERIC,
v_DEPT_ID IN NUMERIC,
v_JOBTITLE_ID IN NUMERIC,
v_USER_NAME IN VARCHAR2,
v_MOBILE IN VARCHAR2,
v_DIMDOCTOR_LIST OUT DOCTDRSOR
)
IS
v_SQL VARCHAR2(256);
v_Where VARCHAR2(256);
v_StrEnd VARCHAR2(16);
v_Length NUMBER(8);
BEGIN
–v_SQL:=’SELECT USER_NAME,MOBILE,SEX,HOSPITAL_ID,DEPT_ID,JOBTITLE_ID,CREATE_TIME,UPDATE_USER_ID FROM T_DOCTOR_INFO WHERE HOSPITAL_ID like ”%’;
v_SQL:=’SELECT USER_NAME,MOBILE,SEX,HOSPITAL_ID,DEPT_ID,JOBTITLE_ID,CREATE_TIME,INTRODUCE FROM T_DOCTOR_INFO ‘;
v_Where:=’WHERE ‘;
IF v_HOSPITAL_ID>0 THEN
v_Where:=v_Where||’HOSPITAL_ID=’||TO_CHAR(v_HOSPITAL_ID);
v_Where:=v_Where||’ AND’;
END IF;
IF v_DEPT_ID>0 THEN
v_Where:=v_Where||’ DEPT_ID=’||TO_CHAR(v_DEPT_ID);
v_Where:=v_Where||’ AND’;
END IF;
IF v_JOBTITLE_ID>0 THEN
v_Where:=v_Where||’ JOBTITLE_ID=’||TO_CHAR(v_JOBTITLE_ID);
v_Where:=v_Where||’ AND’;
END IF;

IF v_MOBILE<>’00000000000′ THEN
v_Where:=v_Where||’ MOBILE LIKE ‘;
v_Where:=v_Where||”’%’;
v_Where:=v_Where||v_MOBILE;
v_Where:=v_Where||’%”’;
v_Where:=v_Where||’ AND’;
END IF;
IF v_USER_NAME<>’aaaaaaaaaa’ THEN
v_Where:=v_Where||’ USER_NAME LIKE ‘;
v_Where:=v_Where||”’%’;
v_Where:=v_Where||v_USER_NAME;
v_Where:=v_Where||’%”’;
END IF;

v_Length:=length(v_Where);
v_StrEnd:=substr(v_Where,v_Length-2);
IF v_StrEnd=’AND’ THEN
v_Where:=substr(v_Where,0,v_Length-4);
END IF;
v_Length:=length(v_Where);
v_SQL:=v_SQL||v_Where;

OPEN v_DIMDOCTOR_LIST FOR v_SQL;
–select * from T_DOCTOR_INFO where HOSPITAL_ID like ‘%%’;

end P_HOSPITALBYDOCTOR_LIST;

end CRF_CMS_DOCTOR_PKG;

注意:要想在存储过程中判断传过来的字符串是否为空,可以写成

IF v_MOBILE not null THEN …..

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