下面哪种功能不属于变流的功能（ ） 。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32679' and id < 2599523 and id<>'2599523' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32679' and id > 2599523 and id<>'2599523' order by id asc limit 5