Package org.apache.calcite.adapter.java

Class AbstractQueryableTable

java.lang.Object

org.apache.calcite.schema.impl.AbstractTable

org.apache.calcite.adapter.java.AbstractQueryableTable

All Implemented Interfaces:

QueryableTable, Table, Wrapper

Direct Known Subclasses:

CassandraTable, ElasticsearchTable, GeodeTable, InnodbTable, JdbcTable, ListTransientTable, MockCatalogReader.MockDynamicTable, MongoTable, Smalls.SimpleTable, ViewTable

public abstract class AbstractQueryableTable
extends AbstractTable
implements QueryableTable

Abstract base class for implementing Table.

Field Summary

Fields

Modifier and Type	Field	Description
protected final Type	elementType

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractQueryableTable(Type elementType)

Method Summary

Modifier and Type	Method	Description
Type	getElementType()	Returns the element type of the collection that will implement this table.
Expression	getExpression(SchemaPlus schema, String tableName, Class clazz)	Generates an expression with which this table can be referenced in generated code.

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

getJdbcTableType, getStatistic, isRolledUp, rolledUpColumnValidInsideAgg, unwrap

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.calcite.schema.QueryableTable

asQueryable

Methods inherited from interface org.apache.calcite.schema.Table

getJdbcTableType, getRowType, getStatistic, isRolledUp, rolledUpColumnValidInsideAgg

Methods inherited from interface org.apache.calcite.schema.Wrapper

maybeUnwrap, unwrapOrThrow

Field Details

elementType

protected final Type elementType

Constructor Details

AbstractQueryableTable

protected AbstractQueryableTable(Type elementType)

Method Details

getElementType

public Type getElementType()

Description copied from interface: QueryableTable

Returns the element type of the collection that will implement this table.

Specified by:

getElementType in interface QueryableTable

getExpression

public Expression getExpression(SchemaPlus schema,
 String tableName,
 Class clazz)

Description copied from interface: QueryableTable

Generates an expression with which this table can be referenced in generated code.

Specified by:

getExpression in interface QueryableTable

Parameters:

schema - Schema

tableName - Table name (unique within schema)

clazz - The desired collection class; for example Queryable.