presto-parser/src/main/java/io/prestosql/sql/tree/QualifiedName.java/QualifiedName/equals
class QualifiedName:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        return parts.equals(((QualifiedName) o).parts);
    }