Package org.apache.calcite.model

Class JsonTile

java.lang.Object

org.apache.calcite.model.JsonTile

public class JsonTile
extends Object

Materialized view within a JsonLattice.

A tile is defined in terms of its dimensionality (the grouping columns, drawn from the lattice) and measures (aggregate functions applied to lattice columns).

Occurs within JsonLattice.tiles.

See Also:

• Description of schema elements

Field Summary

Fields

Modifier and Type	Field	Description
final List	dimensions	List of dimensions that define this tile.
final List<JsonMeasure>	measures	List of measures in this tile.

Constructor Summary

Constructors

Constructor	Description
JsonTile(@Nullable List<JsonMeasure> measures)

Method Summary

Modifier and Type	Method	Description
void	accept(ModelHandler handler)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

dimensions

public final List dimensions

List of dimensions that define this tile.

Each dimension is a column from the lattice. The list of dimensions defines the level of aggregation, like a GROUP BY clause.

Required, but may be empty. Each element is either a string (the unique label of the column within the lattice) or a string list (a pair consisting of a table alias and a column name).

measures

public final List<JsonMeasure> measures

List of measures in this tile.

If not specified, uses JsonLattice.defaultMeasures.

Constructor Details

JsonTile

public JsonTile(@Nullable List<JsonMeasure> measures)

Method Details

accept

public void accept(ModelHandler handler)