diff --git a/README.md b/README.md
index 7229d4f..b92e704 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,10 @@ $ composer require backendtea/phinx-csv-seeder
 * PHP 5.6 or higher
 * robmorgan/phinx version 0.8.1 or higher
 
+## Options
+$truncate = true -- truncate table before insert
+$ignoredField = ['...'] -- array with key name of csv to ignore
+
 ## Usage
 
 Basic usage: 
diff --git a/src/CsvSeeder.php b/src/CsvSeeder.php
index f94115b..69a1355 100644
--- a/src/CsvSeeder.php
+++ b/src/CsvSeeder.php
@@ -24,11 +24,30 @@ abstract class CsvSeeder extends AbstractSeed
      * @var string
      */
     private $fileName;
+    
+    /**
+     * set variable truncate
+     */
+    public $truncate = false;
+
+    /**
+     * ignore csv field to insert
+     */
+    public $ignoredField = [];
 
     public function insertCsv($table, $filename)
     {
         $this->fileName = $filename;
         $toInsert = $this->seedFromCSV();
+
+        if(true === $this->truncate) {
+            $table->truncate();
+        }
+
+        if(!empty($this->ignoredField)) {
+            $toInsert = $this->cleanIgnoredField($toInsert);
+        }
+
         $this->insert($table, $toInsert);
     }
 
@@ -103,7 +122,7 @@ private function isGzipped()
      * @param array $mapping
      * @return array
      */
-    private function buildToInsertArray($csvRows, $mapping)
+    protected function buildToInsertArray($csvRows, $mapping)
     {
         $toBuild = [];
         $offset =  1 ;
@@ -119,6 +138,20 @@ private function buildToInsertArray($csvRows, $mapping)
     }
 
 
+    /**
+     * remove field to insert
+     */
+    private function cleanIgnoredField(array $fields): array
+    {
+        foreach($fields as $i => $row) {
+             foreach($row as $key => $_) {
+                if(in_array($key, $this->ignoredField)) {
+                    unset($fields[$i][$key]);
+                }
+             }
+        }
+        return $fields;
+    }