Package ai.rapids.cudf.ast

Class ColumnReference

java.lang.Object

ai.rapids.cudf.ast.AstExpression

ai.rapids.cudf.ast.ColumnReference

public final class ColumnReference
extends AstExpression

A reference to a column in an input table.

Nested Class Summary

Nested classes/interfaces inherited from class ai.rapids.cudf.ast.AstExpression

AstExpression.ExpressionType

Constructor Summary

Constructors

Constructor	Description
ColumnReference(int columnIndex)	Construct a column reference to either the only or leftmost input table
ColumnReference(int columnIndex, TableReference tableSource)	Construct a column reference to the specified column index in the specified table

Method Summary

Methods inherited from class ai.rapids.cudf.ast.AstExpression

compile

Methods inherited from class java.lang.Object

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

Constructor Details

ColumnReference

public ColumnReference(int columnIndex)

Construct a column reference to either the only or leftmost input table

ColumnReference

public ColumnReference(int columnIndex,
 TableReference tableSource)

Construct a column reference to the specified column index in the specified table