presto-mongodb/src/main/java/io/prestosql/plugin/mongodb/MongoSession.java/MongoSession/getTable
class MongoSession:    public MongoTable getTable(SchemaTableName tableName)
            throws TableNotFoundException
    {
        try {
            return tableCache.getUnchecked(tableName);
        }
        catch (UncheckedExecutionException e) {
            throwIfInstanceOf(e.getCause(), PrestoException.class);
            throw e;
        }
    }