Package net.hydromatic.morel.foreign

Class Calcite

java.lang.Object

net.hydromatic.morel.foreign.Calcite

Direct Known Subclasses:

Calcite.CalciteMap

public class Calcite
extends Object

Runtime context.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	Calcite.CalciteCode	Evaluates a Calcite relational expression, converting it to Morel list type type.
private static class	Calcite.CalciteMap	Extension to Calcite context that remembers the foreign value for each name.
private static class	Calcite.DecorrelateProgram	Copied from Programs.
private static class	Calcite.EmptyDataContext	Data context that has no variables.
static class	Calcite.RaggedTypeSystem	Type system whose Calcite.RaggedTypeSystem.shouldConvertRaggedUnionTypesToVarying() returns true.

Field Summary

Fields

Modifier and Type	Field	Description
final org.apache.calcite.DataContext	dataContext
(package private) final org.apache.calcite.tools.RelBuilder	relBuilder
final org.apache.calcite.schema.SchemaPlus	rootSchema
(package private) final org.apache.calcite.adapter.java.JavaTypeFactory	typeFactory

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Calcite()

Method Summary

Modifier and Type	Method	Description
Code	code(Environment env, org.apache.calcite.rel.RelNode rel, Type type)	Creates a Code that evaluates a Calcite relational expression, converting it to Morel list type type.
Map<String,ForeignValue>	foreignValues()	Returns foreign values.
org.apache.calcite.tools.RelBuilder	relBuilder()	Creates an empty RelBuilder.
static Calcite	withDataSets(Map<String,DataSet> dataSetMap)	Creates a runtime context with the given data sets.

Methods inherited from class java.lang.Object

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

Field Details

relBuilder

final org.apache.calcite.tools.RelBuilder relBuilder

typeFactory

final org.apache.calcite.adapter.java.JavaTypeFactory typeFactory

rootSchema

public final org.apache.calcite.schema.SchemaPlus rootSchema

dataContext

public final org.apache.calcite.DataContext dataContext

Constructor Details

Calcite

protected Calcite()

Method Details

foreignValues

public Map<String,ForeignValue> foreignValues()

Returns foreign values.

withDataSets

public static Calcite withDataSets(Map<String,DataSet> dataSetMap)

Creates a runtime context with the given data sets.

relBuilder

public org.apache.calcite.tools.RelBuilder relBuilder()

Creates an empty RelBuilder.

code

public Code code(Environment env,
 org.apache.calcite.rel.RelNode rel,
 Type type)

Creates a Code that evaluates a Calcite relational expression, converting it to Morel list type type.