Laravel 5 Eloquent CheatSheet #laravel #eloquent
Model::
/*Select*/
select('col1','col2')
->select(array('col1','col2'))
->select(DB::raw('businesses.*, COUNT(reviews.id) as no_of_ratings, IFNULL(sum(reviews.score),0) as rating'))
->addSelect('col3','col4')
->distinct() // distinct select
/*From*/
->from('table')
->from(DB::raw('table, (select @n :=0) dummy'))
->from(DB::raw("({$subQuery->toSql()}) T ")->mergeBindings($subQuery->getQuery())
/*Query*/
->where('column','value')
->where('column','LIKE','%'.$value.'%')
->where(function ($query) {
$query->where('a', '=', 1)
->orWhere('b', '=', 1);
})
->orWhere('column','!=', 'value')
->whereRaw('age > ? and votes = 100', array(25))
->whereRaw(DB::raw("id in (select city_id from addresses GROUP BY addresses.city_id)"))
->whereExists(function($query)
{
$query->select(DB::raw(1))
->from('business_language')
->whereRaw('business_language.language_id = languages.id')
->groupBy('business_language.language_id')
->havingRaw("COUNT(*) > 0");
})
->orWhereExists()
->whereNotExists()
->orWhereNotExists()
->whereIn('column',[1,2,3])
->orWhereIn()
->whereNotIn('id', function($query){
$query->select('city_id')
->from('addresses')
->groupBy('addresses.city_id');
})
->whereNotIn()
->orWhereNotIn
->whereNull('column') //where `column` is null
->orWhereNull('column') //or where `column` is null
->whereNotNull('column') //where `column` is not null
->orWhereNotNull('column') //or where `column` is not null
->whereDay()
->whereMonth('column', '=', 1) //
->whereYear('column', '>', 2000) //uses sql YEAR() function on 'column'
->whereDate('column', '>', '2000-01-01')
/*Joins*/
->join('business_category','business_category.business_id','=','businesses.id')
->leftJoin('reviews','reviews.business_id', '=', 'businesses.id')
->join('business_category',function($join) use($cats) {
$join->on('business_category.business_id', '=', 'businesses.id')
->on('business_category.id', '=', $cats, 'and', true);
})
->join(DB::raw('(SELECT *, ROUND(AVG(rating),2) avg FROM reviews WHERE rating!=0 GROUP BY item_id ) T' ), function($join){
$join->on('genre_relation.movie_id', '=', 'T.id')
})
/*Eager Loading */
->with('table1','table2')
->with(array('table1','table2','table1.nestedtable3'))
->with(array('posts' => function($query) use($name){
$query->where('title', 'like', '%'.$name.'%')
->orderBy('created_at', 'desc');
}))
/*Grouping*/
->groupBy('state_id','locality')
->havingRaw('count > 1 ')
->having('items.name','LIKE',"%$keyword%")
->orHavingRaw('brand LIKE ?',array("%$keyword%"))
/*Cache*/
->remember($minutes)
->rememberForever()
/*Offset & Limit*/
->take(10)
->limit(10)
->skip(10)
->offset(10)
->forPage($pageNo, $perPage)
/*Order*/
->orderBy('id','DESC')
->orderBy(DB::raw('RAND()'))
->orderByRaw('type = ? , type = ? ', array('published','draft'))
->latest() // on 'created_at' column
->latest('column')
->oldest() // on 'created_at' column
->oldest('column')
/*Create*/
->insert(array('email' => 'john@example.com', 'votes' => 0))
->insert(array(
array('email' => 'taylor@example.com', 'votes' => 0),
array('email' => 'dayle@example.com', 'votes' => 0)
)) //batch insert
->insertGetId(array('email' => 'john@example.com', 'votes' => 0)) //insert and return id
/*Update*/
->update(array('email' => 'john@example.com'))
->update(array('column' => DB::raw('NULL')))
->increment('column')
->decrement('column')
->touch() //update timestamp
/*Delete*/
->delete()
->forceDelete() // when softdeletes enabled
->destroy($ids) // delete by array of primary keys
->roles()->detach() //delete from pivot table: associated by 'belongsToMany'
/*Getters*/
->find($id)
->find($id, array('col1','col2'))
->findOrFail($id)
->findMany($ids, $columns)
->first(array('col1','col2'))
->firstOrFail()
->all()
->get()
->get(array('col1','col2'))
->getFresh() // no caching
->getCached() // get cached result
->chunk(1000, function($rows){
$rows->each(function($row){
});
})
->lists('column') // numeric index
->lists('column','id') // 'id' column as index
->lists('column')->implode('column', ',') // comma separated values of a column
->pluck('column') //Pluck a single column's value from the first result of a query.
->value('column') //Get a single column's value from the first result of a query.
/*Paginated results*/
->paginate(10)
->paginate(10, array('col1','col2'))
->simplePaginate(10)
->getPaginationCount() //get total no of records
/*Aggregate*/
->count()
->count('column')
->count(DB::raw('distinct column'))
->max('rating')
->min('rating')
->sum('rating')
->avg('rating')
->aggregate('sum', array('rating')) // use of aggregate functions
/*Others*/
->toSql() // output sql query
->exists() // check if any row exists
->fresh() // Return a fresh data for current model from database
/*Object methods*/
->toArray() //
->toJson()
->relationsToArray() //Get the model's relationships in array form.
->implode('column', ',') // comma separated values of a column
->isDirty()
->getDirty() //Get the attributes that have been changed but not saved to DB
//Debugging
DB::enableQueryLog();
DB::getQueryLog();
Model::where()->toSql() // output sql query