public class PushDownDereferenceThroughProject
extends Object
implements Rule<ProjectNode>

Transforms:

  Project(c := f(a.x), d := g(b))
    Project(a, b)

to:

  Project(c := f(symbol), d := g(b))
    Project(a, b, symbol := a.x)

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(ProjectNode node, Captures captures, Rule.Context context)`
`Pattern<ProjectNode>`	`getPattern()`	Returns a pattern to which plan nodes this rule applies.

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

public PushDownDereferenceThroughProject(TypeAnalyzer typeAnalyzer)

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

Class PushDownDereferenceThroughProject