How to create dynamic Seq<Column> in java

Question

I want to create a Dataset out of another one but only with some specific columns and I would like to use the dataset.select() function instead of creating a dynamic sql query who select from this dataset the columns I need.

I have found that using JavaConversions.asScalaBuffer(asList(new Column("value1"), new Column("value2"))) I can create a Set<Column> but how can I do it dynamic? because I've tried this.

List<Column> filterColumns = new ArrayList<>();
for (ColumnMetadata field : fields) {
    filterColumns.add(new Column(field.getFieldName()));
}  
dataset.select(JavaConversions.asScalaBuffer(asList(filterColumns)))

But this doesn't work and the compiler said no suitable method found for select(Buffer<List<Column>>)

Answer 1

Use it like below with list.

dataset.select(JavaConversions.asScalaBuffer(filterColumns));

or like this with seq.

dataset.select(JavaConversions.asScalaBuffer(filterColumns).seq());