presto-thrift/src/main/java/io/prestosql/plugin/thrift/ThriftMetadata.java/ThriftMetadata/getTableHandle
class ThriftMetadata:    @Override
    public ConnectorTableHandle getTableHandle(ConnectorSession session, SchemaTableName tableName)
    {
        return tableCache.getUnchecked(tableName)
                .map(ThriftTableMetadata::getSchemaTableName)
                .map(ThriftTableHandle::new)
                .orElse(null);
    }