org.apache.calcite.sql.validate

Class ScopeChild

java.lang.Object

org.apache.calcite.sql.validate.ScopeChild

class ScopeChild
extends Object

One of the inputs of a SqlValidatorScope.

Most commonly, it is an item in a FROM clause, and consists of a namespace (the columns it provides), and optional name (table alias), and ordinal within the FROM clause.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) String	name
(package private) static com.google.common.base.Function<ScopeChild,String>	NAME_FN
(package private) SqlValidatorNamespace	namespace
(package private) static com.google.common.base.Function<ScopeChild,SqlValidatorNamespace>	NAMESPACE_FN
(package private) boolean	nullable
(package private) int	ordinal

Constructor Summary

Constructors

Constructor and Description
ScopeChild(int ordinal, String name, SqlValidatorNamespace namespace, boolean nullable) Creates a ScopeChild.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

ordinal

final int ordinal

name

final String name

namespace

final SqlValidatorNamespace namespace

nullable

final boolean nullable

NAMESPACE_FN

static final com.google.common.base.Function<ScopeChild,SqlValidatorNamespace> NAMESPACE_FN

NAME_FN

static final com.google.common.base.Function<ScopeChild,String> NAME_FN

Constructor Detail

ScopeChild

ScopeChild(int ordinal,
           String name,
           SqlValidatorNamespace namespace,
           boolean nullable)

Creates a ScopeChild.

Parameters:

ordinal - Ordinal of child within parent scope

name - Table alias (may be null)

namespace - Namespace of child

nullable - Whether fields of the child are nullable when seen from the parent, due to outer joins