<p>
The message closes an existing prepared statement or portal and releases resources.
Note that closing a prepared statement implicitly closes any open portals that were constructed from that statement.
<p>
The response is either {@link CloseComplete} or {@link ErrorResponse}
<p> The message closes an existing prepared statement or portal and releases resources. Note that closing a prepared statement implicitly closes any open portals that were constructed from that statement. <p> The response is either {@link CloseComplete} or {@link ErrorResponse}
@param portal