presto-main/src/main/java/io/prestosql/connector/informationschema/InformationSchemaMetadata.java/InformationSchemaMetadata/getTableHandle
class InformationSchemaMetadata:    @Override
    public ConnectorTableHandle getTableHandle(ConnectorSession connectorSession, SchemaTableName tableName)
    {
        Optional<InformationSchemaTable> informationSchemaTable = InformationSchemaTable.of(tableName);
        if (informationSchemaTable.isPresent()) {
            return new InformationSchemaTableHandle(catalogName, informationSchemaTable.get(), defaultPrefixes(catalogName), OptionalLong.empty());
        }
        return null;
    }