org.apache.calcite.sql.validate

Class TableScope

java.lang.Object

org.apache.calcite.sql.validate.DelegatingScope

org.apache.calcite.sql.validate.ListScope

org.apache.calcite.sql.validate.TableScope

All Implemented Interfaces:

SqlValidatorScope

class TableScope
extends ListScope

The name-resolution scope of a LATERAL TABLE clause.

The objects visible are those in the parameters found on the left side of the LATERAL TABLE clause, and objects inherited from the parent scope.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.sql.validate.SqlValidatorScope

SqlValidatorScope.EmptyPath, SqlValidatorScope.Path, SqlValidatorScope.Resolve, SqlValidatorScope.Resolved, SqlValidatorScope.ResolvedImpl, SqlValidatorScope.Step

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	beforeLateral
private SqlNode	node

Fields inherited from class org.apache.calcite.sql.validate.ListScope

children

Fields inherited from class org.apache.calcite.sql.validate.DelegatingScope

parent, validator

Constructor Summary

Constructors

Constructor and Description
TableScope(SqlValidatorScope parent, SqlNode node) Creates a scope corresponding to a LATERAL TABLE clause.

Method Summary

Modifier and Type	Method and Description
void	addChild(SqlValidatorNamespace ns, String alias, boolean nullable) Registers a relation in this scope.
SqlNode	getNode() Returns the root node of this scope.
void	meetLateral()

Methods inherited from class org.apache.calcite.sql.validate.ListScope

findAliases, findAllColumnNames, findQualifyingTableName, findQualifyingTableNames, getChildNames, getChildren, resolve, resolveColumn

Methods inherited from class org.apache.calcite.sql.validate.DelegatingScope

addColumnNames, fullyQualify, getMonotonicity, getOperandScope, getOrderList, getParent, getTableNamespace, getValidator, lookupWindow, nullifyType, resolveInNamespace, resolveTable, validateExpr

Methods inherited from class java.lang.Object

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

Field Detail

node

private final SqlNode node

beforeLateral

private boolean beforeLateral

Constructor Detail

TableScope

TableScope(SqlValidatorScope parent,
           SqlNode node)

Creates a scope corresponding to a LATERAL TABLE clause.

Parameters:

parent - Parent scope, or null

Method Detail

addChild

public void addChild(SqlValidatorNamespace ns,
                     String alias,
                     boolean nullable)

Description copied from interface: SqlValidatorScope

Registers a relation in this scope.

Specified by:

addChild in interface SqlValidatorScope

Overrides:

addChild in class ListScope

Parameters:

ns - Namespace representing the result-columns of the relation

alias - Alias with which to reference the relation, must not be null

nullable - Whether this is a null-generating side of a join

getNode

public SqlNode getNode()

Description copied from interface: SqlValidatorScope

Returns the root node of this scope. Never null.

meetLateral

public void meetLateral()