After the QueryExpressionDSL query expression is created, how can additional column be dynamically appended to QueryExpressionDSL?

[qichangleixin]

List sqlModelList = new ArrayList<>();
....
List sqlColumns = sqlModelList.stream().map(DynamicSqlDto::getColumns).flatMap(List::stream) .collect(Collectors.toList());
QueryExpressionDSL select = SqlBuilder.select(sqlColumns).from(mainSqlDto.getSqlTable());

Select cannot append columns, is there any alternative method？

[jeffgbutler]

Immutability is in important design choice in this library, so we don't provide a way to change the column list once it is set. If you can provide a small example of why you want to do this, perhaps we could help with a different approach.

[qichangleixin]

Immutability is in important design choice in this library, so we don't provide a way to change the column list once it is set. If you can provide a small example of why you want to do this, perhaps we could help with a different approach.

Thank you, I am trying to solve this problem from a business perspective