IT | SET } OPTION FOR ]
    <em class="replaceable"><code>role_name</code></em> [, ...] FROM <em class="replaceable"><code>role_specification</code></em> [, ...]
    [ GRANTED BY <em class="replaceable"><code>role_specification</code></em> ]
    [ CASCADE | RESTRICT ]

<span class="phrase">where <em class="replaceable"><code>role_specification</code></em> can be:</span>

    [ GROUP ] <em class="replaceable"><code>role_name</code></em>
  | PUBLIC
  | CURRENT_ROLE
  | CURRENT_USER
  | SESSION_USER
</pre></di