org.apache.calcite.adapter.java

Class ReflectiveSchema.FieldTable<T>

java.lang.Object

org.apache.calcite.schema.impl.AbstractTable

org.apache.calcite.adapter.java.AbstractQueryableTable

org.apache.calcite.adapter.java.ReflectiveSchema.ReflectiveTable

org.apache.calcite.adapter.java.ReflectiveSchema.FieldTable<T>

Type Parameters:

T - element type

All Implemented Interfaces:

QueryableTable, ScannableTable, Table, Wrapper

Enclosing class:

ReflectiveSchema

private static class ReflectiveSchema.FieldTable<T>
extends ReflectiveSchema.ReflectiveTable

Table based on a Java field.

Field Summary

Fields

Modifier and Type	Field and Description
private Field	field
private Statistic	statistic

Constructor Summary

Constructors

Constructor and Description
FieldTable(Field field, Type elementType, Enumerable<T> enumerable)
FieldTable(Field field, Type elementType, Enumerable<T> enumerable, Statistic statistic)

Method Summary

Modifier and Type	Method and Description
Expression	getExpression(SchemaPlus schema, String tableName, Class clazz) Generates an expression with which this table can be referenced in generated code.
Statistic	getStatistic() Returns a provider of statistics about this table.
String	toString()

Methods inherited from class org.apache.calcite.adapter.java.ReflectiveSchema.ReflectiveTable

asQueryable, getRowType, scan

Methods inherited from class org.apache.calcite.adapter.java.AbstractQueryableTable

getElementType

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

getJdbcTableType, isRolledUp, rolledUpColumnValidInsideAgg, unwrap

Methods inherited from class java.lang.Object

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

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

getJdbcTableType, isRolledUp, rolledUpColumnValidInsideAgg

Field Detail

field

private final Field field

statistic

private Statistic statistic

Constructor Detail

FieldTable

FieldTable(Field field,
           Type elementType,
           Enumerable<T> enumerable)

FieldTable

FieldTable(Field field,
           Type elementType,
           Enumerable<T> enumerable,
           Statistic statistic)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

getStatistic

public Statistic getStatistic()

Description copied from interface: Table

Returns a provider of statistics about this table.

Specified by:

getStatistic in interface Table

Overrides:

getStatistic in class ReflectiveSchema.ReflectiveTable

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

Overrides:

getExpression in class AbstractQueryableTable

Parameters:

schema - Schema

tableName - Table name (unique within schema)

clazz - The desired collection class; for example Queryable.