mysql儲存過程中模糊查詢語句拼接問題

set @stmt=concat('select * from jargon where name like \'%',ucase(t),'%\' or memo like \'%',ucase(t),'%\' order by id desc limit ',snum,',',size);

prepare stmt from @stmt;
execute stmt;
deallocate prepare stmt;
select count(*) from jargon where name like concat('%',ucase(t),'%') or memo like concat('%',ucase(t),'%');

對比前後兩句like後拼接的差異，前一句需要為模糊匹配的物件加單引號；後一句則不需要，但是與limit語句拼接時，若limit相關的兩個引數為變數，則不可以直接拼接。（具體原因不明）

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