ORACLE function方法学习

获取组织机构代码，以'a','b'...形式返回
比如：若为211241003  返回： '211241003','211241','211200','210000'
            211241   返回：'211241','211200','210000'
            211200   返回：'211200','210000'
            210000   返回：'210000'

CREATE OR REPLACE FUNCTION GET_PARENT_ORGCODE(in_code IN VARCHAR2)
  RETURN VARCHAR2
  deterministic
  is
  -- 返回值
  orgcodelist VARCHAR2(128);
  orgCode     varchar2(20);
  counter     integer;

  CURSOR cur_parentorg IS
    select org_registry
      from (select a.code, b.org_registry
              from up_org_unit_ext b, up_org_unit a
             where b.id = a.id
               and length(a.code) != 6
            union
            select b.code, substr(b.code, 0, 4) || '00'
              from up_org_unit b
             where length(b.code) = 6
               and substr(b.code, 5, 2) != 00
            /*
            select b.org_registry, substr(b.org_registry, 0, 4) || '00'
              from up_org_unit_ext b
             where length(b.org_registry) = 6
               and substr(b.org_registry, 5, 2) != 00
               */
            union
            select b.org_registry, '210000'
              from up_org_unit_ext b
             where length(b.org_registry) = 6
               and substr(b.org_registry, 5, 2) = '00'

            ) c
     start with c.code = in_code
    connect by nocycle prior c.org_registry = c.code;

BEGIN
  counter     := 0;
  orgcodelist := '';
  -- 打开游标
  OPEN cur_parentorg;
  LOOP
    FETCH cur_parentorg
      INTO orgcode;
    EXIT WHEN cur_parentorg%NOTFOUND;
    orgcodelist := orgcodelist || '''' || orgcode || ''',';
    counter     := counter + 1;
  END LOOP;
  CLOSE cur_parentorg;
  if (counter = 2 and length(in_code) = 9) then
    orgcodelist := '''' || in_code || ''',' || '''' ||
                   substr(in_code, 0, 6) || ''',' || orgcodelist;
  else
    orgcodelist := '''' || in_code || ''',' || orgcodelist;
  end if;
  orgcodelist := substr(orgcodelist, 0, length(orgcodelist) - 1);
  return orgcodelist;

EXCEPTION
  WHEN OTHERS THEN
    return 'error';
END GET_PARENT_ORGCODE;

SQL调用

select * from t_reg_mcjbxxyw a where a.namestatu='01'
and  instr(get_parent_orgcode('211241004'),a.accunit) > 0
and a.saveperto > sysdate;
 

Java 后台调用

public List<BusNamBasic> querXXXName(final BusNamBasic busNamBasic, final String flag, final String accUnit, final int pageNum, final int pageSize) {
    	return this.getHibernateTemplate().executeFind(new HibernateCallback() {
            public Object doInHibernate(Session session)throws HibernateException, SQLException {
		    	List<Object> params = new ArrayList<Object>();
		    	StringBuffer sql = new StringBuffer();
		    	sql.append(" SELECT * FROM T_REG_MCJBXXYW WHERE NAMESTATU = '01' ");
		    	if (StringUtils.isNotBlank(accUnit)) {
		    		sql.append("       AND INSTR(GET_PARENT_ORGCODE(?),ACCUNIT) > 0 ");
		    		params.add(accUnit);
		    	}
		    	if ("0".equals(flag) && StringUtils.isNotBlank(busNamBasic.getEntname())) {
		    		sql.append("       AND ENTNAME = ? ");
		            params.add(busNamBasic.getEntname());
		        }
		    	if ("1".equals(flag) && StringUtils.isNotBlank(busNamBasic.getEntname())) {
		    		sql.append("       AND ENTNAME like ? ");
		            params.add("%" + busNamBasic.getEntname() + "%");
		        }
		        if (StringUtils.isNotBlank(busNamBasic.getNotno())) {
		        	sql.append("       AND NOTNO = ? ");
		            params.add(busNamBasic.getNotno());
		        }
		        sql.append("  AND SAVEPERTO > SYSDATE ");
		        sql.append("  ORDER BY SAVEPERTO");
		        Query query = (SQLQuery) session.createSQLQuery(sql.toString())
	        .addScalar("mcjbxxywseq", Hibernate.LONG)
                .addScalar("zcdjywseq", Hibernate.STRING)
                .addScalar("pripid", Hibernate.STRING)
                .addScalar("entname", Hibernate.STRING)
                .addScalar("namedistrict", Hibernate.STRING)
                .addScalar("apprdate", Hibernate.DATE)
                .addScalar("alttime", Hibernate.INTEGER)
                .setResultTransformer(Transformers.aliasToBean(BusNamBasic.class));
		        for (int i = 0; i < params.size(); i++) {
	                query.setParameter(i, params.get(i));
	            }
		        if(pageSize>0){
	                query.setMaxResults(pageSize);
	                query.setFirstResult((pageNum-1)*pageSize);
	            }
	            return query.list();
	        }
	    });
    }