diff --git a/lib/lib.php b/lib/lib.php
index b6e8f44..4c14511 100755
--- a/lib/lib.php
+++ b/lib/lib.php
@@ -3724,7 +3724,7 @@ function di()
         return new Utils;
     }
 
-    function engine($database = 'core', $table = 'core')
+    function engine($database = 'core', $table = 'core', $driver = 'ldb')
     {
         $engine = Config::get('octalia.engine', 'ldb');
 
diff --git a/lib/object.php b/lib/object.php
index 51a8fb9..99f7bbb 100644
--- a/lib/object.php
+++ b/lib/object.php
@@ -86,7 +86,7 @@ function checkAndSave(callable $cb)
 
         public function touch($model)
         {
-            return odb($this->db(), $model, $this->driver())->findOrFail((int) $this->data[$model . '_id'])->now();
+            return engine($this->db(), $model, $this->driver())->findOrFail((int) $this->data[$model . '_id'])->now();
         }
 
         public function hasModel()
@@ -137,6 +137,20 @@ public function collection()
 
         public function __call($m, $a)
         {
+            if ('actualValue' == $m) {
+                $default = null;
+
+                if (count($a) == 2) {
+                    $default = $a[1];
+                }
+
+                if ($this->exists()) {
+                    return isAke($this->initial, current($a), $default);
+                } else {
+                    return $default;
+                }
+            }
+
             if ('array' == $m) {
                 return $this->data;
             }
@@ -265,12 +279,12 @@ public function __call($m, $a)
                                         }
                                     }
 
-                                    return odb($this->db(), $fkParent, $this->driver())->where([$fk, '=', (int) $this->get('id')]);
+                                    return engine($this->db(), $fkParent, $this->driver())->where([$fk, '=', (int) $this->get('id')]);
                                 } else {
                                     $id = isAke($this->data, $fktable . '_id', 'octodummy');
 
                                     if (is_numeric($id)) {
-                                        return odb($this->db(), $fktable, $this->driver())->find((int) $id, $o);
+                                        return engine($this->db(), $fktable, $this->driver())->find((int) $id, $o);
                                     } else {
                                         $fk = $this->table() . '_id';
 
@@ -282,7 +296,7 @@ public function __call($m, $a)
                                             }
                                         }
 
-                                        return odb($this->db(), $fktable, $this->driver())->where([$fk, '=', (int) $this->get('id')])->first($model);
+                                        return engine($this->db(), $fktable, $this->driver())->where([$fk, '=', (int) $this->get('id')])->first($model);
                                     }
                                 }
                             }
@@ -303,7 +317,7 @@ public function __call($m, $a)
         public function fresh()
         {
             if ($this->hasModel() && $this->exists()) {
-                return odb($this->db(), $this->table(), $this->driver())->find((int) $this->data['id']);
+                return engine($this->db(), $this->table(), $this->driver())->find((int) $this->data['id']);
             }
 
             return $this;
@@ -415,7 +429,7 @@ public function get($k, $d = null)
                     $fk = $this->table() . '_id';
                     $fkParent = substr($k, 0, -1);
 
-                    $query = odb($this->db(), $fkParent, $this->driver())->where([$fk, '=', (int) $this->get('id')]);
+                    $query = engine($this->db(), $fkParent, $this->driver())->where([$fk, '=', (int) $this->get('id')]);
 
                     if ($query->count() > 0) {
                         return $query;
@@ -424,11 +438,11 @@ public function get($k, $d = null)
                     $id = isAke($this->data, $k . '_id', 'octodummy');
 
                     if (is_numeric($id)) {
-                        return odb($this->db(), $k, $this->driver())->row((int) $this->get($k . '_id'));
+                        return engine($this->db(), $k, $this->driver())->row((int) $this->get($k . '_id'));
                     } else {
                         $fk = $this->table() . '_id';
 
-                        $query = odb($this->db(), $k, $this->driver())->where([$fk, '=', (int) $this->get('id')]);
+                        $query = engine($this->db(), $k, $this->driver())->where([$fk, '=', (int) $this->get('id')]);
 
                         if ($query->count() > 0) {
                             return $query->first();
@@ -480,14 +494,14 @@ public function has($k)
                         }
                     }
 
-                    $query = odb($this->db(), $fkParent, $this->driver())->where([$fk, '=', (int) $this->get('id')]);
+                    $query = engine($this->db(), $fkParent, $this->driver())->where([$fk, '=', (int) $this->get('id')]);
 
                     return $query->count() > 0;
                 } else {
                     $id = $this->get($k . '_id', 'octodummy');
 
                     if (is_numeric($id)) {
-                        return !empty(odb($this->db(), $k, $this->driver())->row((int) $this->get($k . '_id')));
+                        return !empty(engine($this->db(), $k, $this->driver())->row((int) $this->get($k . '_id')));
                     }
                 }
             }
@@ -526,7 +540,7 @@ public function __unset($k)
                         }
                     }
 
-                    $rows = odb($this->db(), $fkParent, $this->driver())->where([$fk, '=', (int) $this->get('id')]);
+                    $rows = engine($this->db(), $fkParent, $this->driver())->where([$fk, '=', (int) $this->get('id')]);
 
                     if ($rows->count() > 0) {
                         $rows->delete();
@@ -535,7 +549,7 @@ public function __unset($k)
                     $id = $this->get($k . '_id', 'octodummy');
 
                     if (is_numeric($id)) {
-                        $row = odb($this->db(), $k, $this->driver())->find((int) $this->get($k . '_id'));
+                        $row = engine($this->db(), $k, $this->driver())->find((int) $this->get($k . '_id'));
 
                         if ($row) {
                             $row->delete();
@@ -587,7 +601,9 @@ public function take($fk)
                 exception('model', 'id must be defined to use take.');
             }
 
-            $db = fnmatch('*s', $fk) ? odb($this->db(), substr($fk, 0, -1), $this->driver()) : odb($this->db(), $fk, $this->driver());
+            $db = fnmatch('*s', $fk)
+            ? engine($this->db(), substr($fk, 0, -1), $this->driver())
+            : engine($this->db(), $fk, $this->driver());
 
             return $db->where([$this->table() . '_id', '=', (int) $this->data['id']]);
         }
@@ -708,7 +724,9 @@ public function adjust($field, $cb = null)
         public function validate()
         {
             if ($this->hasModel() && $this->exists()) {
-                $check = odb($this->db(), $this->table(), $this->driver())->validator()->check($this->toArray());
+                $check = engine($this->db(), $this->table(), $this->driver())
+                ->validator()
+                ->check($this->toArray());
 
                 if ($check) {
                     $this->save();
@@ -726,7 +744,7 @@ public function polymorph(Object $polymorph = null)
         {
             if ($this->hasModel() && $this->exists()) {
                 if (is_null($polymorph)) {
-                    return odb($this->db(), $this->polymorph_type, $this->driver())->find((int) $this->polymorph_id);
+                    return engine($this->db(), $this->polymorph_type, $this->driver())->find((int) $this->polymorph_id);
                 }
 
                 $this->data['polymorph_type'] = $polymorph->table();
@@ -739,7 +757,7 @@ public function polymorph(Object $polymorph = null)
         public function polymorphs($parent)
         {
             if ($this->hasModel() && $this->exists()) {
-                return odb($this->db(), $parent, $this->driver())
+                return engine($this->db(), $parent, $this->driver())
                 ->where('polymorph_type', $this->table())
                 ->where('polymorph_id', (int) $this->id);
             }
@@ -754,9 +772,9 @@ public function relationship(Octalia $model, $many = true)
                 $idFk = $fk . '_id';
 
                 if (isset($this->data[$idFk]) && is_numeric($this->data[$idFk])) {
-                    return odb($this->db(), $fk, $this->driver())->find((int) $this->data[$idFk]);
+                    return engine($this->db(), $fk, $this->driver())->find((int) $this->data[$idFk]);
                 } else {
-                    $query = odb($this->db(), $fk, $this->driver())->where($this->table() . '_id', (int) $this->get('id'));
+                    $query = engine($this->db(), $fk, $this->driver())->where($this->table() . '_id', (int) $this->get('id'));
 
                     return $many ? $query : $query->first(true);
                 }
@@ -792,7 +810,7 @@ public function manyToMany(Octalia $model)
                 sort($tables);
                 $pivot = implode('', $tables);
 
-                return odb($this->db(), $pivot, $this->driver())
+                return engine($this->db(), $pivot, $this->driver())
                 ->where($this->table() . '_id', (int) $this->get('id'));
             }
 
@@ -812,10 +830,10 @@ public function pivots(Octalia $model)
                 }
 
                 if (empty($ids)) {
-                    return odb($this->db(), $model->table, $this->driver())
+                    return engine($this->db(), $model->table, $this->driver())
                     ->where(['id', '<', 0]);
                 } else {
-                    return odb($this->db(), $model->table, $this->driver())
+                    return engine($this->db(), $model->table, $this->driver())
                     ->where(['id', 'IN', $ids]);
                 }
             }
@@ -862,7 +880,7 @@ public function detach(Object $model)
                 sort($tables);
                 $pivot = implode('', $tables);
 
-                return odb($this->db(), $pivot, $this->driver())
+                return engine($this->db(), $pivot, $this->driver())
                 ->where($this->table() . '_id', (int) $this->get('id'))
                 ->where($model->table() . '_id', (int) $model->id)
                 ->delete();
diff --git a/lib/octalia.php b/lib/octalia.php
index 070cdf2..b0d60bf 100644
--- a/lib/octalia.php
+++ b/lib/octalia.php
@@ -287,6 +287,25 @@ public function push($row)
             return $this->add($row);
         }
 
+        public function createMany(array $rows = [], $return = false)
+        {
+            if ($return) {
+                $collection = [];
+            }
+
+            foreach ($rows as $data) {
+                $new = $this->model($data);
+
+                if ($return) {
+                    $collection[] = $new;
+                } else {
+                    $new->save();
+                }
+            }
+
+            return $return ? $collection : $this;
+        }
+
         public function create(array $data = [])
         {
             return $this->model($data);
@@ -466,7 +485,7 @@ public function model($row)
             $row = treatCast($row);
 
             if (file_exists($file)) {
-                $cbs = require $file;
+                $cbs = require_once $file;
 
                 $fns    = isAke($cbs, 'scopes', []);
                 $hooks  = isAke($cbs, 'hooks', []);
@@ -520,12 +539,14 @@ public function model($row)
                 $fs = '[' . "\n\t\t\t";
 
                 foreach ($fields as $field) {
-                    if ($field == 'age' || $field == 'number' || $field == 'quantity' || $field == 'id' || $field == 'created_at' || $field == 'updated_at' || $field == 'deleted_at' || fnmatch('*_id', $field)) {
+                    if ($field == 'year' || $field == 'age' || $field == 'number' || $field == 'quantity' || $field == 'id' || $field == 'created_at' || $field == 'updated_at' || $field == 'deleted_at' || $field == 'created_by' || $field == 'updated_by' || $field == 'deleted_by' || fnmatch('*_id', $field)) {
                         $type = 'integer';
                     } elseif (in_array(
                         $field, [
+                            'duration',
                             'price',
                             'size',
+                            'length',
                             'width',
                             'height',
                             'depth'
@@ -633,11 +654,16 @@ public function model($row)
                         $val = 'token()';
                     } elseif (in_array(
                         $field, [
+                            'created_by',
+                            'updated_by',
+                            'deleted_by',
+                            'year',
                             'age',
                             'price',
                             'size',
                             'width',
                             'height',
+                            'length',
                             'depth',
                             'quantity',
                             'number'
@@ -645,7 +671,7 @@ public function model($row)
                     )) {
                         $val = '$faker->numberBetween(15, 85)';
                     } elseif (fnmatch('*_id', $field)) {
-                        $val = 'engine("' . $this->db . '", "' . str_replace('_id', '', $field) . '")->createFake()->id';
+                        $val = 'em("' . $this->db . '", "' . str_replace('_id', '', $field) . '")->createFake()->id';
                     }
 
                     if ($n < count($fields) - 1) {
@@ -1036,9 +1062,32 @@ public function __call($m, $a)
 
             if (fnmatch('findBy*', $m) && strlen($m) > 6) {
                 $field = callField($m, 'findBy');
-                $value = array_shift($a);
 
-                return $this->where([$field, '=', $value]);
+                $op = '=';
+
+                if (count($a) == 2) {
+                    $op     = array_shift($a);
+                    $value  = array_shift($a);
+                } else {
+                    $value  = array_shift($a);
+                }
+
+                return $this->where([$field, $op, $value]);
+            }
+
+            if (fnmatch('where*', $m) && strlen($m) > 5) {
+                $field = callField($m, 'where');
+
+                $op = '=';
+
+                if (count($a) == 2) {
+                    $op     = array_shift($a);
+                    $value  = array_shift($a);
+                } else {
+                    $value  = array_shift($a);
+                }
+
+                return $this->where([$field, $op, $value]);
             }
 
             if (fnmatch('by*', $m) && strlen($m) > 2) {
@@ -1096,6 +1145,31 @@ public function __call($m, $a)
                 return $this->lastBy($field, $value, $model);
             }
 
+            if (count($a) == 1) {
+                $o = array_shift($a);
+
+                if ($o instanceof Object) {
+                    $fk = Strings::uncamelize($m) . '_id';
+
+                    return $this->where([$fk, '=', (int) $o->id]);
+                }
+            }
+
+            $file = path('models') . '/' . $this->db . '/' . $this->table . '.php';
+
+            if (file_exists($file)) {
+                $cbs = require_once $file;
+
+                $scopes = isAke($cbs, 'scopes', []);
+                $cb     = isAke($scopes, $m, null);
+
+                if ($cb && is_callable($cb)) {
+                    $args = array_merge([$this], $a);
+
+                    return call_user_func_array($cb, $args);
+                }
+            }
+
             $data = $this->data();
 
             return call_user_func_array([coll($data), $m], $a);
@@ -1869,6 +1943,16 @@ public function notIn($field, array $values)
             return $this->where($field, 'not in', $values);
         }
 
+        public function WhereIn($field, array $values)
+        {
+            return $this->where($field, 'in', $values);
+        }
+
+        public function whereNotIn($field, array $values)
+        {
+            return $this->where($field, 'not in', $values);
+        }
+
         public function rand($default = null)
         {
             $items = (array) $this->getIterator();