org.apache.hadoop.hive.ql.parse

Class TableMask

java.lang.Object

org.apache.hadoop.hive.ql.parse.TableMask

public class TableMask
extends Object

The main purpose for this class is for authorization. More specifically, row filtering and column masking are done through this class. We first call create function to create the corresponding strings for row filtering and column masking. We then replace the TAB_REF with the strings.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor and Description
TableMask(SemanticAnalyzer analyzer, HiveConf conf, boolean skipTableMasking)

Method Summary

Modifier and Type	Method and Description
List<HivePrivilegeObject>	applyRowFilterAndColumnMasking(List<HivePrivilegeObject> privObjs)
String	create(HivePrivilegeObject privObject, MaskAndFilterInfo maskAndFilterInfo)
boolean	isEnabled()
boolean	needsRewrite()
boolean	needTransform()
void	setNeedsRewrite(boolean needsRewrite)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected final org.slf4j.Logger LOG

Constructor Detail

TableMask

public TableMask(SemanticAnalyzer analyzer,
                 HiveConf conf,
                 boolean skipTableMasking)
          throws SemanticException

Throws:

SemanticException

Method Detail

applyRowFilterAndColumnMasking

public List<HivePrivilegeObject> applyRowFilterAndColumnMasking(List<HivePrivilegeObject> privObjs)
                                                         throws SemanticException

Throws:

SemanticException

isEnabled

public boolean isEnabled()
                  throws SemanticException

Throws:

SemanticException

needTransform

public boolean needTransform()
                      throws SemanticException

Throws:

SemanticException

create

public String create(HivePrivilegeObject privObject,
                     MaskAndFilterInfo maskAndFilterInfo)
              throws SemanticException

Throws:

SemanticException

needsRewrite

public boolean needsRewrite()

setNeedsRewrite

public void setNeedsRewrite(boolean needsRewrite)