Package org.apache.calcite.sql2rel

Class SqlToRelConverter.SqlIdentifierFinder

java.lang.Object

org.apache.calcite.sql2rel.SqlToRelConverter.SqlIdentifierFinder

All Implemented Interfaces:

SqlVisitor<Boolean>

Enclosing class:

SqlToRelConverter

public static class SqlToRelConverter.SqlIdentifierFinder
extends Object
implements SqlVisitor<Boolean>

Visitor that looks for an SqlIdentifier inside a tree of SqlNode objects and return Boolean.TRUE when it finds one.

Constructor Summary

Constructors

Constructor	Description
SqlIdentifierFinder()

Method Summary

Modifier and Type	Method	Description
Boolean	visit(SqlCall sqlCall)	Visits a call to a SqlOperator.
Boolean	visit(SqlDataTypeSpec type)	Visits a datatype specification.
Boolean	visit(SqlDynamicParam param)	Visits a dynamic parameter.
Boolean	visit(SqlIdentifier identifier)	Visits an identifier.
Boolean	visit(SqlIntervalQualifier intervalQualifier)	Visits an interval qualifier.
Boolean	visit(SqlLiteral literal)	Visits a literal.
Boolean	visit(SqlNodeList nodeList)	Visits a list of SqlNode objects.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.calcite.sql.util.SqlVisitor

visitAll, visitNode

Constructor Details

SqlIdentifierFinder

public SqlIdentifierFinder()

Method Details

visit

public Boolean visit(SqlCall sqlCall)

Description copied from interface: SqlVisitor

Visits a call to a SqlOperator.

Specified by:

visit in interface SqlVisitor<Boolean>

Parameters:

sqlCall - Call

See Also:

• SqlCall.accept(SqlVisitor)

visit

public Boolean visit(SqlNodeList nodeList)

Description copied from interface: SqlVisitor

Visits a list of SqlNode objects.

Specified by:

visit in interface SqlVisitor<Boolean>

Parameters:

nodeList - list of nodes

See Also:

• SqlNodeList.accept(SqlVisitor)

visit

public Boolean visit(SqlIdentifier identifier)

Description copied from interface: SqlVisitor

Visits an identifier.

Specified by:

visit in interface SqlVisitor<Boolean>

Parameters:

identifier - identifier

See Also:

• SqlIdentifier.accept(SqlVisitor)

visit

public Boolean visit(SqlLiteral literal)

Description copied from interface: SqlVisitor

Visits a literal.

Specified by:

visit in interface SqlVisitor<Boolean>

Parameters:

literal - Literal

See Also:

• SqlLiteral.accept(SqlVisitor)

visit

public Boolean visit(SqlDataTypeSpec type)

Description copied from interface: SqlVisitor

Visits a datatype specification.

Specified by:

visit in interface SqlVisitor<Boolean>

Parameters:

type - datatype specification

See Also:

• SqlDataTypeSpec.accept(SqlVisitor)

visit

public Boolean visit(SqlDynamicParam param)

Description copied from interface: SqlVisitor

Visits a dynamic parameter.

Specified by:

visit in interface SqlVisitor<Boolean>

Parameters:

param - Dynamic parameter

See Also:

• SqlDynamicParam.accept(SqlVisitor)

visit

public Boolean visit(SqlIntervalQualifier intervalQualifier)

Description copied from interface: SqlVisitor

Visits an interval qualifier.

Specified by:

visit in interface SqlVisitor<Boolean>

Parameters:

intervalQualifier - Interval qualifier

See Also:

• SqlIntervalQualifier.accept(SqlVisitor)