Laravel 查询生成器在哪里

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时间:2020-09-14 10:50:56  来源:igfitidea点击:

Laravel Query Builder WHERE NOT IN

mysqllaravelquery-builder

提问by Tommy Lee

I have the following sql query

我有以下 sql 查询

SELECT * FROM exams WHERE exams.id NOT IN (SELECT examId FROM testresults)

how can I convert it into Laravel query builder format?

如何将其转换为 Laravel 查询构建器格式?

Thanks.

谢谢。

回答by lukasgeiter

You can use whereNotInwith a closure:

您可以使用whereNotIn闭包:

$result = DB::table('exams')->whereNotIn('id', function($q){
    $q->select('examId')->from('testresults');
})->get();