Package org.apache.calcite.adapter.pig

Class PigSchema

java.lang.Object

org.apache.calcite.schema.impl.AbstractSchema

org.apache.calcite.adapter.pig.PigSchema

All Implemented Interfaces:

Schema

public class PigSchema
extends AbstractSchema

Schema that contains one more or more Pig tables.

Nested Class Summary

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
protected final Map<String,Table>	tableMap

Constructor Summary

Constructors

Constructor	Description
PigSchema()

Method Summary

Modifier and Type	Method	Description
protected Map<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, subSchemas, tables

Methods inherited from class java.lang.Object

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

Field Details

tableMap

protected final Map<String,Table> tableMap

Constructor Details

PigSchema

public PigSchema()

Method Details

getTableMap

protected Map<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