refactoring.

laravel/database/connection.php

@@ -87,7 +87,7 @@ class Connection {
 	{
 		$result = (array) $this->first($sql, $bindings);
 
-		return (strpos(strtolower($sql), 'select count') === 0) ? (int) reset($result) : (float) reset($result);
+		return (strpos(strtolower(trim($sql)), 'select count') === 0) ? (int) reset($result) : (float) reset($result);
 	}
 
 	/**

laravel/database/query/postgres.php

@@ -7,11 +7,6 @@ class Postgres extends Query {
 	/**
 	 * Insert an array of values into the database table and return the value of the ID column.
 	 *
-	 * <code>
-	 *		// Insert into the "users" table and get the auto-incrementing ID
-	 *		$id = DB::table('users')->insert_get_id(array('email' => 'example@gmail.com'));
-	 * </code>
-	 *
 	 * @param  array  $values
 	 * @return int
 	 */