title: About PostgreSql JsonB Update?
body: <p>I want to update in jsonb column.</p>
  
  <p>jsonb columns: field1, area2, area3, area4, area4</p>
  
  <p>I just want to update the field1 and field3 columns.</p>
  
  <p>I found the example but it is updating 1 column.</p>
  
  <pre><code>UPDATE table SET jdata = jsonb_set(jdata, '{field1}', '"value"', true)
  </code></pre>