title: How to append nodejs sequelize model list of json field
body: <p>How to append a list of JSON filed in nodejs Sequelize</p>
  
  <p><strong>database:  Postgres</strong> </p>
  
  <p>I have one model field like that :</p>
  
  <pre><code>student_list:
      {
          type: Sequelize.ARRAY(Sequelize.JSON),
          allowNull: true
      },
  </code></pre>
  
  <p>I am trying to append Sequelize Array of JSON like this way but not get sucessfully append list:</p>
  
  <pre><code>var data =  ({'share_by':"aaa",'list_name':"list_name"})
  student.update( 
                  {'student_list': Sequelize.fn('array_append', Sequelize.col('student_list'), data)},
                  {'where': {studet_id: student_id}}
                  );
  </code></pre>
  
  <p>how to do this?</p>