public interface ProjectableTableSource<T>
TableSource
.
A TableSource
extending this interface is able to project the fields of the return table.
Modifier and Type | Method and Description |
---|---|
ProjectableTableSource<T> |
projectFields(int[] fields)
Creates a copy of the
ProjectableTableSource that projects its output on the specified
fields. |
ProjectableTableSource<T> projectFields(int[] fields)
ProjectableTableSource
that projects its output on the specified
fields.
fields
- The indexes of the fields to return.ProjectableTableSource
that projects its output.Copyright © 2014–2017 The Apache Software Foundation. All rights reserved.