Package org.apache.calcite.adapter.tpch

Class TpchSchema

java.lang.Object

org.apache.calcite.schema.impl.AbstractSchema

org.apache.calcite.adapter.tpch.TpchSchema

All Implemented Interfaces:

Schema

public class TpchSchema
extends AbstractSchema

Schema that provides TPC-H tables, populated according to a particular scale factor.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	TpchSchema.TpchQueryableTable<E extends io.airlift.tpch.TpchEntity>	Definition of a table in the TPC-H schema.

Nested classes/interfaces inherited from class org.apache.calcite.schema.impl.AbstractSchema

AbstractSchema.Factory

Nested classes/interfaces inherited from interface org.apache.calcite.schema.Schema

Schema.TableType

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	columnPrefix
private com.google.common.collect.ImmutableMap<java.lang.String,java.lang.String>	columnPrefixes
private int	part
private int	partCount
private double	scaleFactor
private com.google.common.collect.ImmutableMap<java.lang.String,Table>	tableMap

Constructor Summary

Constructors

Constructor	Description
TpchSchema(double scaleFactor, int part, int partCount, boolean columnPrefix)

Method Summary

Modifier and Type	Method	Description
protected java.util.Map<java.lang.String,Table>	getTableMap()	Returns a map of tables in this schema by name.

Methods inherited from class org.apache.calcite.schema.impl.AbstractSchema

getExpression, getFunctionMultimap, getFunctionNames, getFunctions, getSubSchema, getSubSchemaMap, getSubSchemaNames, getTable, getTableNames, getType, getTypeMap, getTypeNames, isMutable, snapshot

Methods inherited from class java.lang.Object

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

Field Detail

scaleFactor

private final double scaleFactor

part

private final int part

partCount

private final int partCount

columnPrefix

private final boolean columnPrefix

tableMap

private final com.google.common.collect.ImmutableMap<java.lang.String,Table> tableMap

columnPrefixes

private final com.google.common.collect.ImmutableMap<java.lang.String,java.lang.String> columnPrefixes

Constructor Detail

TpchSchema

public TpchSchema(double scaleFactor,
                  int part,
                  int partCount,
                  boolean columnPrefix)

Method Detail

getTableMap

protected java.util.Map<java.lang.String,Table> getTableMap()

Description copied from class: AbstractSchema

Returns a map of tables in this schema by name.

The implementations of AbstractSchema.getTableNames() and AbstractSchema.getTable(String) depend on this map. The default implementation of this method returns the empty map. Override this method to change their behavior.

Overrides:

getTableMap in class AbstractSchema

Returns:

Map of tables in this schema by name