system/Model.php
public function first()
	{
		$builder = $this->builder();

		if ($this->tempUseSoftDeletes === true)
		{
			$builder->where($this->table . '.' . $this->deletedField, 0);
		}

		// Some databases, like PostgreSQL, need order
		// information to consistently return correct results.
		if (empty($builder->QBOrderBy) && ! empty($this->primaryKey))
		{
			$builder->orderBy($this->table . '.' . $this->primaryKey, 'asc');
		}

		$row = $builder->limit(1, 0)
				->get();

		$row = $row->getFirstRow($this->tempReturnType);

		$row = $this->trigger('afterFind', ['data' => $row]);

		$this->tempReturnType = $this->returnType;

		return $row['data'];
	}
public function first()
	{
		$builder = $this->builder();

		if ($this->tempUseSoftDeletes === true)
		{
			$builder->where($this->table . '.' . $this->deletedField, 0);
		}

		// Some databases, like PostgreSQL, need order
		// information to consistently return correct results.
		if (empty($builder->QBOrderBy) && ! empty($this->primaryKey))
		{
			$builder->orderBy($this->table . '.' . $this->primaryKey, 'asc');
		}

		$row = $builder->limit(1, 0)
				->get();

		$row = $row->getFirstRow($this->tempReturnType);

		$row = $this->trigger('afterFind', ['data' => $row]);

		$this->tempReturnType = $this->returnType;

		return $row['data'];
	}
Returns the first row of the result set. Will take any previous
Query Builder calls into account when determining the result set.

@return array|object|null