presto-parser/src/main/java/io/prestosql/sql/tree/RenameColumn.java/RenameColumn/equals
class RenameColumn:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        RenameColumn that = (RenameColumn) o;
        return Objects.equals(table, that.table) &&
                Objects.equals(source, that.source) &&
                Objects.equals(target, that.target);
    }