title: Select does not return values Postgres-11.4
body: <p>I am using pgAdmin-4 and created a database with a single table, but select returns an error message: 'table oid'</p>
  
  <p>I'm using a normal select query.</p>
  
  <pre><code>SELECT * FROM escola
  </code></pre>
  
  <p>This happens with PostgreSQL 11.4.</p>