Package org.apache.calcite.test

Class ReflectiveSchemaWithoutRowCount

java.lang.Object

org.apache.calcite.schema.impl.AbstractSchema

org.apache.calcite.adapter.java.ReflectiveSchema

org.apache.calcite.test.ReflectiveSchemaWithoutRowCount

All Implemented Interfaces:

Schema

public class ReflectiveSchemaWithoutRowCount
extends ReflectiveSchema

A ReflectiveSchema that does not return row count statistics. Intended to be used with tests written before row count statistics were supported by ReflectiveSchema that rely on legacy behavior.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.adapter.java.ReflectiveSchema

ReflectiveSchema.Factory

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

Schema.TableType

Constructor Summary

Constructors

Constructor	Description
ReflectiveSchemaWithoutRowCount(Object target)	Creates a ReflectiveSchema.

Method Summary

Modifier and Type	Method	Description
protected @Nullable Double	getRowCount(Object o)

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

getFunctionMultimap, getTableMap, getTarget, toString

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

getExpression, 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, wait, wait, wait

Constructor Details

ReflectiveSchemaWithoutRowCount

public ReflectiveSchemaWithoutRowCount(Object target)

Creates a ReflectiveSchema.

Parameters:

target - Object whose fields will be sub-objects of the schema

Method Details

getRowCount

protected @Nullable Double getRowCount(Object o)

Overrides:

getRowCount in class ReflectiveSchema