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:

java.lang.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
RexNode	e
(package private) java.util.List<java.lang.String>	tables

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

alias, ordinal

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DerivedColumn(int ordinal, java.lang.String alias, RexNode e, java.util.List<java.lang.String> tables)

Method Summary

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

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

compareTo, equals, hashCode, toBitSet

Methods inherited from class java.lang.Object

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

Field Detail

e

@Nonnull
public final RexNode e

tables

@Nonnull
final java.util.List<java.lang.String> tables

Constructor Detail

DerivedColumn

private DerivedColumn(int ordinal,
                      java.lang.String alias,
                      RexNode e,
                      java.util.List<java.lang.String> tables)

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toSql

public void toSql(Lattice.SqlWriter writer)

Specified by:

toSql in class Lattice.Column

defaultAlias

public java.lang.String defaultAlias()

Description copied from class: Lattice.Column

The alias that SQL would give to this expression.

Specified by:

defaultAlias in class Lattice.Column