Added Eloquent 2.

Signed-off-by: Taylor Otwell <taylorotwell@gmail.com>

laravel/database/eloquent/relationships/has_one_or_many.php

@@ -0,0 +1,39 @@
+<?php namespace Laravel\Database\Eloquent\Relationships; use Eloquent\Model;
+
+class Has_One_Or_Many extends Relationship {
+
+	/**
+	 * Insert a new record for the association.
+	 *
+	 * @param  array  $attributes
+	 * @return bool
+	 */
+	public function insert($attributes)
+	{
+		$attributes[$this->foreign_key()] = $this->base->get_key();
+
+		return parent::insert($attributes);
+	}
+
+	/**
+	 * Set the proper constraints on the relationship table.
+	 *
+	 * @return void
+	 */
+	protected function constrain()
+	{
+		$this->table->where($this->foreign_key(), '=', $this->base->get_key());
+	}
+
+	/**
+	 * Set the proper constraints on the relationship table for an eager load.
+	 *
+	 * @param  array  $results
+	 * @return void
+	 */
+	public function eagerly_constrain($results)
+	{
+		$this->table->where_in($this->foreign_key(), array_keys($results));
+	}
+
+}