Lattice.BaseColumn (Apache Calcite API)

java.lang.Object
- org.apache.calcite.materialize.Lattice.Column
- - org.apache.calcite.materialize.Lattice.BaseColumn

All Implemented Interfaces:

java.lang.Comparable<Lattice.Column>

Enclosing class:

Lattice
```
public static class Lattice.BaseColumn
extends Lattice.Column
```
Column in a lattice. Columns are identified by table alias and column name, and may have an additional alias that is unique within the entire lattice.

Field Summary

Fields
Modifier and Type Field Description

java.lang.String column
Name of the column.

java.lang.String table
Alias of the table reference that the column belongs to.
- Fields inherited from class org.apache.calcite.materialize.Lattice.Column
  alias, ordinal

Constructor Summary

Constructors
Modifier Constructor Description

private BaseColumn(int ordinal, java.lang.String table, java.lang.String column, java.lang.String alias)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`defaultAlias()`	The alias that SQL would give to this expression.
`java.util.List<java.lang.String>`	`identifiers()`
`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
  - table
```
public final java.lang.String table
```
    Alias of the table reference that the column belongs to.
  - column
```
@Nonnull
public final java.lang.String column
```
    Name of the column. Unique within the table reference, but not necessarily within the lattice.
- Constructor Detail
  - BaseColumn
```
private BaseColumn(int ordinal,
                   java.lang.String table,
                   java.lang.String column,
                   java.lang.String alias)
```
- Method Detail
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - identifiers
```
public java.util.List<java.lang.String> identifiers()
```
  - 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