diff --git a/examples/data1.json b/examples/data1.json
new file mode 100644
index 0000000..2b16a56
--- /dev/null
+++ b/examples/data1.json
@@ -0,0 +1,196 @@
+{
+  "data": [
+    {
+      "id": 42844285,
+      "number": "1",
+      "issued_at": "2018-01-15",
+      "created_at": "2018-01-15T15:29:22-05:00",
+      "due_at": "2018-01-31",
+      "tax_rate": 0,
+      "secondary_tax_rate": 0,
+      "updated_at": "2018-01-15T15:34:38-05:00",
+      "subject": null,
+      "purchase_order": null,
+      "type": "MatterBill",
+      "memo": null,
+      "start_at": "2018-01-15",
+      "end_at": "2018-01-15",
+      "balance": 0,
+      "config": {
+        "text": {
+          "client_address_custom": "45 Hotot Street"
+        },
+        "show": {
+          "client_address_id": 80750795
+        },
+        "css": []
+      },
+      "state": "paid",
+      "kind": "revenue_kind",
+      "total": 405,
+      "paid": 405,
+      "paid_at": "2018-01-15",
+      "pending": 0,
+      "due": 0,
+      "can_update": false,
+      "credits_issued": 0,
+      "client_addresses": [
+        {
+          "id": 80750795
+        }
+      ],
+      "shared": false,
+      "sub_total": 405,
+      "tax_sum": 0,
+      "secondary_tax_sum": 0,
+      "discount": {
+        "rate": 0,
+        "type": "percentage",
+        "note": null,
+        "early_payment_rate": 0,
+        "early_payment_period": 0
+      },
+      "interest": {
+        "rate": 0,
+        "type": 0,
+        "period": 0,
+        "balance": 0,
+        "total": 0
+      },
+      "original_bill": null,
+      "balances": [
+        {
+          "id": 1055396233,
+          "amount": 0,
+          "type": "Matter",
+          "interest_amount": 0,
+          "due": 0
+        }
+      ],
+      "matter_totals": [
+        {
+          "amount": 405
+        }
+      ],
+      "currency": {
+        "id": 1,
+        "code": "USD",
+        "sign": "$"
+      },
+      "user": {
+        "id": 345101099,
+        "initials": "JT",
+        "first_name": "James",
+        "last_name": "Turner",
+        "name": "James Turner",
+        "phone_number": "",
+        "rate": 225,
+        "subscription_type": "Attorney"
+      },
+      "client": {
+        "id": 950888541
+      },
+      "matters": [
+        {
+          "id": 1055396233
+        }
+      ]
+    },
+    {
+      "id": 42844287,
+      "number": "2",
+      "issued_at": "2018-01-15",
+      "created_at": "2018-01-15T15:29:22-05:00",
+      "due_at": "2018-01-31",
+      "tax_rate": 0,
+      "secondary_tax_rate": 0,
+      "updated_at": "2018-03-30T15:20:57-04:00",
+      "subject": null,
+      "purchase_order": null,
+      "type": "MatterBill",
+      "memo": null,
+      "start_at": "2018-01-15",
+      "end_at": "2018-01-15",
+      "balance": 740,
+      "config": {
+        "text": {
+          "client_address_custom": "566 Olympic Way"
+        },
+        "show": {
+          "client_address_id": 80750975
+        },
+        "css": []
+      },
+      "state": "awaiting_payment",
+      "kind": "revenue_kind",
+      "total": 1190,
+      "paid": 450,
+      "paid_at": "2018-03-30",
+      "pending": 0,
+      "due": 740,
+      "can_update": false,
+      "credits_issued": 0,
+      "client_addresses": [
+        {
+          "id": 80750975
+        }
+      ],
+      "shared": false,
+      "sub_total": 1190,
+      "tax_sum": 0,
+      "secondary_tax_sum": 0,
+      "discount": {
+        "rate": 0,
+        "type": "percentage",
+        "note": null,
+        "early_payment_rate": 0,
+        "early_payment_period": 0
+      },
+      "interest": {
+        "rate": 0,
+        "type": 0,
+        "period": 0,
+        "balance": 0,
+        "total": 0
+      },
+      "original_bill": null,
+      "balances": [
+        {
+          "id": 1055396221,
+          "amount": 740,
+          "type": "Matter",
+          "interest_amount": 0,
+          "due": 740
+        }
+      ],
+      "matter_totals": [
+        {
+          "amount": 1190
+        }
+      ],
+      "currency": {
+        "id": 1,
+        "code": "USD",
+        "sign": "$"
+      },
+      "user": {
+        "id": 345101099,
+        "initials": "JT",
+        "first_name": "James",
+        "last_name": "Turner",
+        "name": "James Turner",
+        "phone_number": "",
+        "rate": 225,
+        "subscription_type": "Attorney"
+      },
+      "client": {
+        "id": 950888733
+      },
+      "matters": [
+        {
+          "id": 1055396221
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/examples/index.php b/examples/index.php
index 191ba57..f3a73f4 100755
--- a/examples/index.php
+++ b/examples/index.php
@@ -14,11 +14,15 @@
 //    return is_integer($payable);
 //});
 //
-$jq = new Jsonq('data.json');
 
-$result = $jq->from('products')
-    ->select('name', 'id')
-    ->where('cat', '=', 2)
-    ->sortBy('user_id', 'asc')
-    ->get();
+$jq = new Jsonq('data1.json');
+
+$result = $jq->from('data')
+    ->pipe(function($j) {
+        return $j->transform(function($val) {
+            $val['user_id'] = $val['user']['id'];
+            return $val;
+        });
+    })->get();
+
 dump($result);
\ No newline at end of file
diff --git a/src/JsonQueriable.php b/src/JsonQueriable.php
index cb808db..eb2e642 100644
--- a/src/JsonQueriable.php
+++ b/src/JsonQueriable.php
@@ -26,6 +26,12 @@ trait JsonQueriable
      */
     protected $_select = [];
 
+    /**
+     * contains column names for except
+     * @var array
+     */
+    protected $_except = [];
+
     /**
      * Stores base contents.
      *
@@ -192,6 +198,11 @@ public function isJson($value, $isReturnMap = false)
     }
 
 
+    public function takeColumn($array)
+    {
+        return $this->selectColumn($this->exceptColumn($array));
+    }
+
     /**
      * selecting specific column
      *
@@ -209,6 +220,24 @@ protected function selectColumn($array)
         return array_intersect_key($array, array_flip((array) $keys));
     }
 
+    /**
+     * selecting specific column
+     *
+     * @param $array
+     * @return array
+     */
+    protected function exceptColumn($array)
+    {
+        $keys = $this->_except;
+
+        if (count($keys) == 0) {
+            return $array;
+        }
+
+        return array_diff_key($array, array_flip((array) $keys));
+    }
+
+
     /**
      * Prepare data for result
      *
@@ -221,11 +250,11 @@ protected function prepareResult($data, $isObject)
         $output = [];
         if ($this->isMultiArray($data)) {
             foreach ($data as $key => $val) {
-                $val = $this->selectColumn($val);
+                $val = $this->takeColumn($val);
                 $output[$key] = $isObject ? (object) $val : $val;
             }
         } else {
-            $output = json_decode(json_encode($this->selectColumn($data)), !$isObject);
+            $output = json_decode(json_encode($this->takeColumn($data)), !$isObject);
         }
 
         return $output;
diff --git a/src/Jsonq.php b/src/Jsonq.php
index 063ec99..ca3615b 100644
--- a/src/Jsonq.php
+++ b/src/Jsonq.php
@@ -98,6 +98,22 @@ public function select()
         return $this;
     }
 
+    /**
+     * select desired column for except
+     *
+     * @param ... scalar
+     * @return $this
+     */
+    public function except()
+    {
+        $args = func_get_args();
+        if (count($args) > 0 ){
+            $this->_except = $args;
+        }
+
+        return $this;
+    }
+
     /**
      * getting prepared data
      *
@@ -114,7 +130,7 @@ public function get($object = true)
         }
 
         if (!$this->isMultiArray($this->_map)) {
-            return (object) $this->selectColumn($this->_map);
+            return (object) $this->takeColumn($this->_map);
         }
 
         return $this->prepareResult($this->_map, $object);