SQLSTATE[HY000]: General error: 126 Incorrect key file for table '/tmp/#sql_6717_0.MYI'; try to repair it

FILE: /www/web/gdwenxue/public_html/ThinkPHP/Library/Think/Db/Driver.class.php 　LINE: 170

#0 /www/web/gdwenxue/public_html/ThinkPHP/Library/Think/Db/Driver.class.php(170): PDOStatement->execute()
#1 /www/web/gdwenxue/public_html/ThinkPHP/Library/Think/Db/Driver.class.php(936): Think\Db\Driver->query('SELECT d.*,a.* ...', false)
#2 /www/web/gdwenxue/public_html/ThinkPHP/Library/Think/Model.class.php(759): Think\Db\Driver->select(Array)
#3 /www/web/gdwenxue/public_html/Application/Home/Controller/GoodsController.class.php(129): Think\Model->find()
#4 [internal function]: Home\Controller\GoodsController->goodsInfo()
#5 /www/web/gdwenxue/public_html/ThinkPHP/Library/Think/App.class.php(164): ReflectionMethod->invoke(Object(Home\Controller\GoodsController))
#6 /www/web/gdwenxue/public_html/ThinkPHP/Library/Think/App.class.php(202): Think\App::exec()
#7 /www/web/gdwenxue/public_html/ThinkPHP/Library/Think/Think.class.php(122): Think\App::run()
#8 /www/web/gdwenxue/public_html/ThinkPHP/ThinkPHP.php(97): Think\Think::start()
#9 /www/web/gdwenxue/public_html/index.php(14): require('/www/web/gdwenx...')
#10 {main}