com.exasol.sql.expression

Class ColumnReference

java.lang.Object

com.exasol.util.AbstractBottomUpTreeNode

com.exasol.sql.expression.AbstractValueExpression

com.exasol.sql.expression.ColumnReference

All Implemented Interfaces:

ValueExpression, TreeNode

public final class ColumnReference
extends AbstractValueExpression

This class represents column reference.

Method Summary

Modifier and Type	Method and Description
void	accept(ValueExpressionVisitor visitor) Accept a visitor
static ColumnReference	column(String tableName, String columnName) Create a new ColumnReference from a column name and a table name.
String	getColumnName() Get the column name.
String	getTableName() Get the table name.
static ColumnReference	of(String columnName) Create a new ColumnReference from a column name.

Methods inherited from class com.exasol.util.AbstractBottomUpTreeNode

addChild, getChild, getChildren, getParent, getRoot, isChild, isFirstSibling, isRoot

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.exasol.util.TreeNode

addChild, getChild, getChildren, getParent, getRoot, isChild, isFirstSibling, isRoot

Method Detail

column

public static ColumnReference column(String tableName,
                                     String columnName)

Create a new ColumnReference from a column name and a table name.

Parameters:

tableName - table name

columnName - column name

Returns:

new ColumnReference

of

public static ColumnReference of(String columnName)

Create a new ColumnReference from a column name.

Parameters:

columnName - column name

Returns:

new ColumnReference

getColumnName

public String getColumnName()

Get the column name.

Returns:

column name

getTableName

public String getTableName()

Get the table name.

Returns:

table name

accept

public void accept(ValueExpressionVisitor visitor)

Description copied from interface: ValueExpression

Accept a visitor

Parameters:

visitor - visitor to accept