org.apache.calcite.sql

Class SqlUtil.Genealogist

java.lang.Object

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

org.apache.calcite.sql.SqlUtil.Genealogist

All Implemented Interfaces:

SqlVisitor<Void>

Enclosing class:

SqlUtil

private static class SqlUtil.Genealogist
extends SqlBasicVisitor<Void>

Walks over a SqlNode tree and returns the ancestry stack when it finds a given node.

Nested Class Summary

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
private List<SqlNode>	ancestors
private com.google.common.base.Predicate<SqlNode>	postPredicate
private com.google.common.base.Predicate<SqlNode>	predicate

Constructor Summary

Constructors

Constructor and Description
Genealogist(com.google.common.base.Predicate<SqlNode> predicate, com.google.common.base.Predicate<SqlNode> postPredicate)

Method Summary

Modifier and Type	Method and Description
private Void	check(SqlNode node)
private Void	postCheck(SqlNode node)
private Void	preCheck(SqlNode node)
Void	visit(SqlCall call) Visits a call to a SqlOperator.
Void	visit(SqlDataTypeSpec type) Visits a datatype specification.
Void	visit(SqlDynamicParam param) Visits a dynamic parameter.
Void	visit(SqlIdentifier id) Visits an identifier.
Void	visit(SqlIntervalQualifier intervalQualifier) Visits an interval qualifier
Void	visit(SqlLiteral literal) Visits a literal.
Void	visit(SqlNodeList nodeList) Visits a list of SqlNode objects.
private void	visitChild(SqlNode node)

Methods inherited from class java.lang.Object

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

Field Detail

ancestors

private final List<SqlNode> ancestors

predicate

private final com.google.common.base.Predicate<SqlNode> predicate

postPredicate

private final com.google.common.base.Predicate<SqlNode> postPredicate

Constructor Detail

Genealogist

Genealogist(com.google.common.base.Predicate<SqlNode> predicate,
            com.google.common.base.Predicate<SqlNode> postPredicate)

Method Detail

check

private Void check(SqlNode node)

preCheck

private Void preCheck(SqlNode node)

postCheck

private Void postCheck(SqlNode node)

visitChild

private void visitChild(SqlNode node)

visit

public Void visit(SqlIdentifier id)

Description copied from interface: SqlVisitor

Visits an identifier.

Specified by:

visit in interface SqlVisitor<Void>

Overrides:

visit in class SqlBasicVisitor<Void>

Parameters:

id - identifier

See Also:

SqlIdentifier.accept(SqlVisitor)

visit

public Void visit(SqlCall call)

Description copied from interface: SqlVisitor

Visits a call to a SqlOperator.

Specified by:

visit in interface SqlVisitor<Void>

Overrides:

visit in class SqlBasicVisitor<Void>

Parameters:

call - Call

See Also:

SqlCall.accept(SqlVisitor)

visit

public Void visit(SqlIntervalQualifier intervalQualifier)

Description copied from interface: SqlVisitor

Visits an interval qualifier

Specified by:

visit in interface SqlVisitor<Void>

Overrides:

visit in class SqlBasicVisitor<Void>

Parameters:

intervalQualifier - Interval qualifier

See Also:

SqlIntervalQualifier.accept(SqlVisitor)

visit

public Void visit(SqlLiteral literal)

Description copied from interface: SqlVisitor

Visits a literal.

Specified by:

visit in interface SqlVisitor<Void>

Overrides:

visit in class SqlBasicVisitor<Void>

Parameters:

literal - Literal

See Also:

SqlLiteral.accept(SqlVisitor)

visit

public Void visit(SqlNodeList nodeList)

Description copied from interface: SqlVisitor

Visits a list of SqlNode objects.

Specified by:

visit in interface SqlVisitor<Void>

Overrides:

visit in class SqlBasicVisitor<Void>

Parameters:

nodeList - list of nodes

See Also:

SqlNodeList.accept(SqlVisitor)

visit

public Void visit(SqlDynamicParam param)

Description copied from interface: SqlVisitor

Visits a dynamic parameter.

Specified by:

visit in interface SqlVisitor<Void>

Overrides:

visit in class SqlBasicVisitor<Void>

Parameters:

param - Dynamic parameter

See Also:

SqlDynamicParam.accept(SqlVisitor)

visit

public Void visit(SqlDataTypeSpec type)

Description copied from interface: SqlVisitor

Visits a datatype specification.

Specified by:

visit in interface SqlVisitor<Void>

Overrides:

visit in class SqlBasicVisitor<Void>

Parameters:

type - datatype specification

See Also:

SqlDataTypeSpec.accept(SqlVisitor)