simpledb

Class LogicalScanNode

java.lang.Object

simpledb.LogicalScanNode

public class LogicalScanNode
extends java.lang.Object

A LogicalScanNode represents table in the FROM list in a LogicalQueryPlan

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.String	alias The name (alias) of the table as it is used in the query
int	t The table identifier (can be passed to Catalog.getDbFile(int)) to retrieve a DbFile

Constructor Summary

Constructors

Constructor and Description
LogicalScanNode(int table, java.lang.String tableAlias)

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

alias

public java.lang.String alias

The name (alias) of the table as it is used in the query

t

public int t

The table identifier (can be passed to Catalog.getDbFile(int)) to retrieve a DbFile

Constructor Detail

LogicalScanNode

public LogicalScanNode(int table,
               java.lang.String tableAlias)