public class PruneUnionSourceColumns
extends Object
implements Rule<UnionNode>

Nested Class Summary
- Nested classes/interfaces inherited from interface io.prestosql.sql.planner.iterative.Rule
  Rule.Context, Rule.Result

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Rule.Result`	`apply(UnionNode node, Captures captures, Rule.Context context)`
`Pattern<UnionNode>`	`getPattern()`	Returns a pattern to which plan nodes this rule applies.

Methods inherited from interface io.prestosql.sql.planner.iterative.Rule
isEnabled

Constructor Detail
- PruneUnionSourceColumns
```
public PruneUnionSourceColumns()
```

public Rule.Result apply(UnionNode node,
                         Captures captures,
                         Rule.Context context)

Class PruneUnionSourceColumns