org.apache.calcite.sql.validate

Class SqlValidatorImpl.ExtendedExpander

java.lang.Object

org.apache.calcite.sql.util.SqlBasicVisitor<SqlNode>

org.apache.calcite.sql.util.SqlShuttle

org.apache.calcite.sql.validate.SqlScopedShuttle

org.apache.calcite.sql.validate.SqlValidatorImpl.Expander

org.apache.calcite.sql.validate.SqlValidatorImpl.ExtendedExpander

All Implemented Interfaces:

SqlVisitor<SqlNode>

Enclosing class:

SqlValidatorImpl

static class SqlValidatorImpl.ExtendedExpander
extends SqlValidatorImpl.Expander

Shuttle which walks over an expression in the GROUP BY/HAVING clause, replacing usages of aliases or ordinals with the underlying expression.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.sql.util.SqlShuttle

SqlShuttle.CallCopyingArgHandler

Nested classes/interfaces inherited from class org.apache.calcite.sql.util.SqlBasicVisitor

SqlBasicVisitor.ArgHandler<R>, SqlBasicVisitor.ArgHandlerImpl<R>

Field Summary

Fields

Modifier and Type	Field and Description
(package private) boolean	havingExpr
(package private) SqlNode	root
(package private) SqlSelect	select

Fields inherited from class org.apache.calcite.sql.validate.SqlValidatorImpl.Expander

validator

Constructor Summary

Constructors

Constructor and Description
ExtendedExpander(SqlValidatorImpl validator, SqlValidatorScope scope, SqlSelect select, SqlNode root, boolean havingExpr)

Method Summary

Modifier and Type	Method and Description
SqlNode	visit(SqlIdentifier id) Visits an identifier.
SqlNode	visit(SqlLiteral literal) Visits a literal.

Methods inherited from class org.apache.calcite.sql.validate.SqlValidatorImpl.Expander

visitScoped

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

getScope, visit

Methods inherited from class org.apache.calcite.sql.util.SqlShuttle

visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Field Detail

select

final SqlSelect select

root

final SqlNode root

havingExpr

final boolean havingExpr

Constructor Detail

ExtendedExpander

ExtendedExpander(SqlValidatorImpl validator,
                 SqlValidatorScope scope,
                 SqlSelect select,
                 SqlNode root,
                 boolean havingExpr)

Method Detail

visit

public SqlNode visit(SqlIdentifier id)

Description copied from interface: SqlVisitor

Visits an identifier.

Specified by:

visit in interface SqlVisitor<SqlNode>

Overrides:

visit in class SqlValidatorImpl.Expander

Parameters:

id - identifier

See Also:

SqlIdentifier.accept(SqlVisitor)

visit

public SqlNode visit(SqlLiteral literal)

Description copied from interface: SqlVisitor

Visits a literal.

Specified by:

visit in interface SqlVisitor<SqlNode>

Overrides:

visit in class SqlShuttle

Parameters:

literal - Literal

See Also:

SqlLiteral.accept(SqlVisitor)