Package org.apache.calcite.sql

Class SqlUtil.Genealogist

java.lang.Object

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

org.apache.calcite.sql.SqlUtil.Genealogist

All Implemented Interfaces:

SqlVisitor<java.lang.Void>

Enclosing class:

SqlUtil

private static class SqlUtil.Genealogist
extends SqlBasicVisitor<java.lang.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	Description
private java.util.List<SqlNode>	ancestors
private java.util.function.Predicate<SqlNode>	postPredicate
private java.util.function.Predicate<SqlNode>	predicate

Constructor Summary

Constructors

Constructor	Description
Genealogist(java.util.function.Predicate<SqlNode> predicate, java.util.function.Predicate<SqlNode> postPredicate)

Method Summary

Modifier and Type	Method	Description
private java.lang.Void	check(SqlNode node)
private java.lang.Void	postCheck(SqlNode node)
private java.lang.Void	preCheck(SqlNode node)
java.lang.Void	visit(SqlCall call)	Visits a call to a SqlOperator.
java.lang.Void	visit(SqlDataTypeSpec type)	Visits a datatype specification.
java.lang.Void	visit(SqlDynamicParam param)	Visits a dynamic parameter.
java.lang.Void	visit(SqlIdentifier id)	Visits an identifier.
java.lang.Void	visit(SqlIntervalQualifier intervalQualifier)	Visits an interval qualifier
java.lang.Void	visit(SqlLiteral literal)	Visits a literal.
java.lang.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 java.util.List<SqlNode> ancestors

predicate

private final java.util.function.Predicate<SqlNode> predicate

postPredicate

private final java.util.function.Predicate<SqlNode> postPredicate

Constructor Detail

Genealogist

Genealogist(java.util.function.Predicate<SqlNode> predicate,
            java.util.function.Predicate<SqlNode> postPredicate)

Method Detail

check

private java.lang.Void check(SqlNode node)

preCheck

private java.lang.Void preCheck(SqlNode node)

postCheck

private java.lang.Void postCheck(SqlNode node)

visitChild

private void visitChild(SqlNode node)

visit

public java.lang.Void visit(SqlIdentifier id)

Description copied from interface: SqlVisitor

Visits an identifier.

Specified by:

visit in interface SqlVisitor<java.lang.Void>

Overrides:

visit in class SqlBasicVisitor<java.lang.Void>

Parameters:

id - identifier

See Also:

SqlIdentifier.accept(SqlVisitor)

visit

public java.lang.Void visit(SqlCall call)

Description copied from interface: SqlVisitor

Visits a call to a SqlOperator.

Specified by:

visit in interface SqlVisitor<java.lang.Void>

Overrides:

visit in class SqlBasicVisitor<java.lang.Void>

Parameters:

call - Call

See Also:

SqlCall.accept(SqlVisitor)

visit

public java.lang.Void visit(SqlIntervalQualifier intervalQualifier)

Description copied from interface: SqlVisitor

Visits an interval qualifier

Specified by:

visit in interface SqlVisitor<java.lang.Void>

Overrides:

visit in class SqlBasicVisitor<java.lang.Void>

Parameters:

intervalQualifier - Interval qualifier

See Also:

SqlIntervalQualifier.accept(SqlVisitor)

visit

public java.lang.Void visit(SqlLiteral literal)

Description copied from interface: SqlVisitor

Visits a literal.

Specified by:

visit in interface SqlVisitor<java.lang.Void>

Overrides:

visit in class SqlBasicVisitor<java.lang.Void>

Parameters:

literal - Literal

See Also:

SqlLiteral.accept(SqlVisitor)

visit

public java.lang.Void visit(SqlNodeList nodeList)

Description copied from interface: SqlVisitor

Visits a list of SqlNode objects.

Specified by:

visit in interface SqlVisitor<java.lang.Void>

Overrides:

visit in class SqlBasicVisitor<java.lang.Void>

Parameters:

nodeList - list of nodes

See Also:

SqlNodeList.accept(SqlVisitor)

visit

public java.lang.Void visit(SqlDynamicParam param)

Description copied from interface: SqlVisitor

Visits a dynamic parameter.

Specified by:

visit in interface SqlVisitor<java.lang.Void>

Overrides:

visit in class SqlBasicVisitor<java.lang.Void>

Parameters:

param - Dynamic parameter

See Also:

SqlDynamicParam.accept(SqlVisitor)

visit

public java.lang.Void visit(SqlDataTypeSpec type)

Description copied from interface: SqlVisitor

Visits a datatype specification.

Specified by:

visit in interface SqlVisitor<java.lang.Void>

Overrides:

visit in class SqlBasicVisitor<java.lang.Void>

Parameters:

type - datatype specification

See Also:

SqlDataTypeSpec.accept(SqlVisitor)