open c_hzinfo for 'select billno,104-to_number(substr(pui_idcard,7,2)) from ' || v_param1 || ' where length(pui_idcard)=15 and substr(pui_idcard,7,1)>''0'' and substr(pui_idcard,7,1)<=''9'' and substr(pui_idcard,8,1)>=''0'' and substr(pui_idcard,7,1)<=''9'''
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