我正在使用laravel 5.5,并使用此查询检查事件时隙是否在两次之间可用: ->wherebetween($start', [$date,$endTime])得到这个错误 “消息”:"SQLSTATE42S22:未找到列:1054未知列&# 浏览1提问于2019-03-08得票数 0 1回答 如何使用Laravel Query Builder选择范围内至少有多列的数据? laravel、eloquent、laravel-quer...
尝试上面的代码这也将返回start_date和end _date之间的日期，如下所示
If you would like to use a "where" clause on your joins, you may use the where and orWhere methods provided by the JoinClause instance. Instead of comparing two columns, these methods will compare the column against a value:DB::table('users') ->join('contacts', function (JoinClause $...
Filtering Relationships Via Intermediate Table ColumnsYou can also filter the results returned by belongsToMany using the wherePivot and wherePivotIn methods when defining the relationship:return $this->belongsToMany('App\Role')->wherePivot('approved', 1); return $this->belongsToMany('App\Role'...
We can refactor this to avoid thedatesql function as below 1$posts = Post::where('created_at', '>=', now() )->get(); 1select * from posts where created_at >= 'timestamp-here' 14. avoid adding too many columns to a table ...
findWhereBetween($field, array $where, $columns = [*]) create(array $attributes) update(array $attributes, $id) updateOrCreate(array $attributes, array $values = []) delete($id) deleteWhere(array $where) orderBy($column, $direction = 'asc'); with(array $relations); has(string $relat...
Bouncer::ownedVia('userId');If different models use different columns for ownership, you can register them separately:Bouncer::ownedVia(Post::class, 'created_by'); Bouncer::ownedVia(Order::class, 'entered_by');For greater control, you can pass a closure with your custom logic:...
User::where('name', 'John Doe')->increment('age'); User::where('name', 'Jaques')->decrement('weight', 50); The number of updated objects is returned: $count = User->increment('age'); You may also specify additional columns to update: ...
Laravel also has a fluent query builder, which you can use in situations where you don’t want to use Elqouent. Often what I find is that use many of Laravel’s different ways to access data. I use DB::raw to create a select statement that formats the date a certain way. Normally...
Car::where('name', 'Toyota')->decrement('weight', 50); 1. 2. 3. The number of updated objects is returned: $count = User::increment('age'); 1. You may also specify additional columns to update: Cat::where('age', 3) ->increment('age', 1, ['group' => 'Kitty Club']); ...