Package net.hydromatic.morel.foreign

Class CalciteForeignValue

java.lang.Object

net.hydromatic.morel.foreign.CalciteForeignValue

All Implemented Interfaces:

ForeignValue

public class CalciteForeignValue
extends Object
implements ForeignValue

Value based on a Calcite schema.

In ML, it appears as a record with a field for each table.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	CalciteForeignValue.NameConverter	Converts a database object name to a Morel field name.

Field Summary

Fields

Modifier and Type	Field	Description
private final Calcite	calcite
private final CalciteForeignValue.NameConverter	nameConverter
private final org.apache.calcite.schema.SchemaPlus	schema

Constructor Summary

Constructors

Constructor	Description
CalciteForeignValue(Calcite calcite, org.apache.calcite.schema.SchemaPlus schema, boolean lower)	Deprecated.
CalciteForeignValue(Calcite calcite, org.apache.calcite.schema.SchemaPlus schema, CalciteForeignValue.NameConverter nameConverter)	Creates a CalciteForeignValue.

Method Summary

Modifier and Type	Method	Description
private static <E> List<E>	plus(List<E> list, E e)	Returns a copy of a list with one element appended.
private Type	toType(List<String> tablePath, org.apache.calcite.schema.Table table, TypeSystem typeSystem)
private Type	toType(org.apache.calcite.schema.SchemaPlus schema, TypeSystem typeSystem)
Type	type(TypeSystem typeSystem)
Object	value()
private com.google.common.collect.ImmutableList<Object>	valueFor(org.apache.calcite.schema.SchemaPlus schema)

Methods inherited from class java.lang.Object

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

Field Details

calcite

private final Calcite calcite

schema

private final org.apache.calcite.schema.SchemaPlus schema

nameConverter

private final CalciteForeignValue.NameConverter nameConverter

Constructor Details

CalciteForeignValue

public CalciteForeignValue(Calcite calcite,
 org.apache.calcite.schema.SchemaPlus schema,
 CalciteForeignValue.NameConverter nameConverter)

Creates a CalciteForeignValue.

CalciteForeignValue

@Deprecated
public CalciteForeignValue(Calcite calcite,
 org.apache.calcite.schema.SchemaPlus schema,
 boolean lower)

Deprecated.

Creates a CalciteForeignValue, optionally converting schema, table and column names to lower case.

Method Details

type

public Type type(TypeSystem typeSystem)

Specified by:

type in interface ForeignValue

toType

private Type toType(org.apache.calcite.schema.SchemaPlus schema,
 TypeSystem typeSystem)

toType

private Type toType(List<String> tablePath,
 org.apache.calcite.schema.Table table,
 TypeSystem typeSystem)

value

public Object value()

Specified by:

value in interface ForeignValue

valueFor

private com.google.common.collect.ImmutableList<Object> valueFor(org.apache.calcite.schema.SchemaPlus schema)

plus

private static <E> List<E> plus(List<E> list,
 E e)

Returns a copy of a list with one element appended.