org.apache.hadoop.hive.ql.metadata

Class HiveUtils

java.lang.Object

org.apache.hadoop.hive.ql.metadata.HiveUtils

public final class HiveUtils
extends Object

General collection of helper functions.

Field Summary

Fields

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

Method Summary

Modifier and Type	Method and Description
static String	escapeString(String str)
static org.apache.hadoop.io.Text	escapeText(org.apache.hadoop.io.Text text)
static HiveAuthenticationProvider	getAuthenticator(org.apache.hadoop.conf.Configuration conf, HiveConf.ConfVars authenticatorConfKey)
static HiveAuthorizationProvider	getAuthorizeProviderManager(org.apache.hadoop.conf.Configuration conf, String authzClassName, HiveAuthenticationProvider authenticator, boolean nullIfOtherClass) Create a new instance of HiveAuthorizationProvider
static HiveAuthorizerFactory	getAuthorizerFactory(org.apache.hadoop.conf.Configuration conf, HiveConf.ConfVars authorizationProviderConfKey) Return HiveAuthorizerFactory used by new authorization plugin interface.
static String	getLocalDirList(org.apache.hadoop.conf.Configuration conf)
static List<HiveMetastoreAuthorizationProvider>	getMetaStoreAuthorizeProviderManagers(org.apache.hadoop.conf.Configuration conf, HiveConf.ConfVars authorizationProviderConfKey, HiveAuthenticationProvider authenticator)
static String	getReplPolicy(String dbName, String tableName)
static HiveStorageHandler	getStorageHandler(org.apache.hadoop.conf.Configuration conf, String className)
static String	lightEscapeString(String str)
static int	unescapeText(org.apache.hadoop.io.Text text)
static String	unparseIdentifier(String identifier) Regenerate an identifier as part of unparsing it back to SQL text.
static String	unparseIdentifier(String identifier, org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.slf4j.Logger LOG

Method Detail

escapeString

public static String escapeString(String str)

escapeText

public static org.apache.hadoop.io.Text escapeText(org.apache.hadoop.io.Text text)

unescapeText

public static int unescapeText(org.apache.hadoop.io.Text text)

lightEscapeString

public static String lightEscapeString(String str)

unparseIdentifier

public static String unparseIdentifier(String identifier)

Regenerate an identifier as part of unparsing it back to SQL text.

unparseIdentifier

public static String unparseIdentifier(String identifier,
                                       org.apache.hadoop.conf.Configuration conf)

getStorageHandler

public static HiveStorageHandler getStorageHandler(org.apache.hadoop.conf.Configuration conf,
                                                   String className)
                                            throws HiveException

Throws:

HiveException

getMetaStoreAuthorizeProviderManagers

public static List<HiveMetastoreAuthorizationProvider> getMetaStoreAuthorizeProviderManagers(org.apache.hadoop.conf.Configuration conf,
                                                                                             HiveConf.ConfVars authorizationProviderConfKey,
                                                                                             HiveAuthenticationProvider authenticator)
                                                                                      throws HiveException

Throws:

HiveException

getAuthorizeProviderManager

public static HiveAuthorizationProvider getAuthorizeProviderManager(org.apache.hadoop.conf.Configuration conf,
                                                                    String authzClassName,
                                                                    HiveAuthenticationProvider authenticator,
                                                                    boolean nullIfOtherClass)
                                                             throws HiveException

Create a new instance of HiveAuthorizationProvider

Parameters:

conf -

authzClassName - - authorization provider class name

authenticator -

nullIfOtherClass - - return null if configuration does not point to a HiveAuthorizationProvider subclass

Returns:

new instance of HiveAuthorizationProvider

Throws:

HiveException

getAuthorizerFactory

public static HiveAuthorizerFactory getAuthorizerFactory(org.apache.hadoop.conf.Configuration conf,
                                                         HiveConf.ConfVars authorizationProviderConfKey)
                                                  throws HiveException

Return HiveAuthorizerFactory used by new authorization plugin interface.

Parameters:

conf -

authorizationProviderConfKey -

Returns:

Throws:

HiveException - if HiveAuthorizerFactory specified in configuration could not

getAuthenticator

public static HiveAuthenticationProvider getAuthenticator(org.apache.hadoop.conf.Configuration conf,
                                                          HiveConf.ConfVars authenticatorConfKey)
                                                   throws HiveException

Throws:

HiveException

getLocalDirList

public static String getLocalDirList(org.apache.hadoop.conf.Configuration conf)

getReplPolicy

public static String getReplPolicy(String dbName,
                                   String tableName)