关于 票数统计 1张主表 含有各个计票项 1张子表 含有各个用户选择项
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评:
主表 haier2013_datatoupiao
子表 haier2013_data board_id = 15的为 用户投票内容信息
create or replace trigger HAIER_TOUPIAO_BOARD_ID_15_17
after insert on haier2013_data
for each row
declare
-- local variables here
lpos1 number :=1;
lpos2 number :=1;
lbuff varchar2(50) :='';
begin
if :new.board_id = 15 then
while lpos1 <= length(:new.remark1) loop
lpos2 :=instr(:new.remark1, ';', lpos1, 1);
if lpos2 = 0 then
lbuff := substr(:new.remark1,lpos1, 1);
update haier2013_datatoupiao t set t.con_type= t.con_type+1 where t.board_id = 17 and t.name = lbuff;
exit;
end if;
lbuff:=substr(:new.remark1, lpos1, 1);
update haier2013_datatoupiao t set t.con_type= t.con_type+1 where t.board_id = 17 and t.name = lbuff;
lpos1 := lpos2 + 1;
end loop;
end if;
end HAIER_TOUPIAO_BOARD_ID_15_17;