org.apache.hadoop.hive.ql.parse

Class ColumnAccessInfo

java.lang.Object

org.apache.hadoop.hive.ql.parse.ColumnAccessInfo

public class ColumnAccessInfo
extends Object

Constructor Summary

Constructors

Constructor and Description
ColumnAccessInfo()

Method Summary

Modifier and Type	Method and Description
void	add(String table, String col) Adds access to column.
void	addIndirect(String table, String col) Adds indirect access to column (through view).
Map<String,List<String>>	getTableToColumnAccessMap() Includes direct access.
Map<String,List<String>>	getTableToColumnAllAccessMap() Includes direct and indirect access.
void	stripVirtualColumn(VirtualColumn vc) Strip a virtual column out of the set of columns.

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnAccessInfo

public ColumnAccessInfo()

Method Detail

add

public void add(String table,
                String col)

Adds access to column.

addIndirect

public void addIndirect(String table,
                        String col)

Adds indirect access to column (through view).

getTableToColumnAccessMap

public Map<String,List<String>> getTableToColumnAccessMap()

Includes direct access.

getTableToColumnAllAccessMap

public Map<String,List<String>> getTableToColumnAllAccessMap()

Includes direct and indirect access.

stripVirtualColumn

public void stripVirtualColumn(VirtualColumn vc)

Strip a virtual column out of the set of columns. This is useful in cases where we do not want to be checking against the user reading virtual columns, namely update and delete.

Parameters:

vc -