:(

1241:Operand should contain 1 column(s) [ SQL语句 ] : SELECT `id`,`title`,`catid`,`inputtime`,`is_recommend`,`is_show`,`description` FROM `zl_article_content` WHERE `is_show` = 1 AND `is_recommend` = 1 AND ( 7,8,9 ) ORDER BY rand() LIMIT 6

错误位置

FILE: /home/wwwroot/h.feizhuip.com/ThinkPHP/Library/Think/Db/Driver.class.php  LINE: 350

TRACE

#0 /home/wwwroot/h.feizhuip.com/ThinkPHP/Library/Think/Db/Driver.class.php(350): E('1241:Operand sh...')
#1 /home/wwwroot/h.feizhuip.com/ThinkPHP/Library/Think/Db/Driver.class.php(180): Think\Db\Driver->error()
#2 /home/wwwroot/h.feizhuip.com/ThinkPHP/Library/Think/Db/Driver.class.php(946): Think\Db\Driver->query('SELECT `id`,`ti...', false)
#3 /home/wwwroot/h.feizhuip.com/ThinkPHP/Library/Think/Model.class.php(579): Think\Db\Driver->select(Array)
#4 /home/wwwroot/h.feizhuip.com/Application/Admin/Model/ArticleContentModel.class.php(126): Think\Model->select()
#5 /home/wwwroot/h.feizhuip.com/Application/Home/Controller/NewsController.class.php(167): Admin\Model\ArticleContentModel->getTuijian('7,8,9')
#6 [internal function]: Home\Controller\NewsController->getList()
#7 /home/wwwroot/h.feizhuip.com/ThinkPHP/Library/Think/App.class.php(173): ReflectionMethod->invoke(Object(Home\Controller\NewsController))
#8 /home/wwwroot/h.feizhuip.com/ThinkPHP/Library/Think/App.class.php(110): Think\App::invokeAction(Object(Home\Controller\NewsController), 'getList')
#9 /home/wwwroot/h.feizhuip.com/ThinkPHP/Library/Think/App.class.php(204): Think\App::exec()
#10 /home/wwwroot/h.feizhuip.com/ThinkPHP/Library/Think/Think.class.php(120): Think\App::run()
#11 /home/wwwroot/h.feizhuip.com/ThinkPHP/ThinkPHP.php(97): Think\Think::start()
#12 /home/wwwroot/h.feizhuip.com/Public/index.php(31): require('/home/wwwroot/h...')
#13 {main}