SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-15,15' at line 1

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select arc.*, type.channel from `sange_taglist` main join sange_article arc on arc.id = main.aid join sange_type type on type.id = arc.typeid where main.tag = :tag order by arc.pubdate desc limit -15,15