Package org.apache.calcite.materialize

Class Lattice.DerivedColumn

java.lang.Object

org.apache.calcite.materialize.Lattice.Column

org.apache.calcite.materialize.Lattice.DerivedColumn

All Implemented Interfaces:

Comparable<Lattice.Column>

Enclosing class:

Lattice

public static class Lattice.DerivedColumn
extends Lattice.Column

Column in a lattice that is based upon a SQL expression.

Field Summary

Fields

Modifier and Type	Field	Description
final RexNode	e

Fields inherited from class org.apache.calcite.materialize.Lattice.Column

alias, ordinal

Method Summary

Modifier and Type	Method	Description
@Nullable String	defaultAlias()	The alias that SQL would give to this expression.
void	toSql(Lattice.SqlWriter writer)
String	toString()

Methods inherited from class org.apache.calcite.materialize.Lattice.Column

compareTo, equals, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

e

public final RexNode e

Method Details

toString

public String toString()

Overrides:

toString in class Object

toSql

public void toSql(Lattice.SqlWriter writer)

Specified by:

toSql in class Lattice.Column

defaultAlias

public @Nullable String defaultAlias()

Description copied from class: Lattice.Column

The alias that SQL would give to this expression.

Specified by:

defaultAlias in class Lattice.Column