presto-atop/src/main/java/io/prestosql/plugin/atop/AtopMetadata.java/AtopMetadata/getTableHandle
class AtopMetadata:    @Override
    public ConnectorTableHandle getTableHandle(ConnectorSession session, SchemaTableName tableName)
    {
        requireNonNull(tableName, "tableName is null");

        String schemaName = tableName.getSchemaName();
        if (!listSchemaNames(session).contains(schemaName)) {
            return null;
        }
        try {
            AtopTable table = AtopTable.valueOf(tableName.getTableName().toUpperCase());
            return new AtopTableHandle(schemaName, table);
        }
        catch (IllegalArgumentException e) {
            return null;
        }
    }