1987年Galibert等首先报道：

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24662' and id < 2114388 and id<>'2114388' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24662' and id > 2114388 and id<>'2114388' order by id asc limit 5