org.apache.hadoop.hive.conf

Class SystemVariables

java.lang.Object

org.apache.hadoop.hive.conf.SystemVariables

Direct Known Subclasses:

VariableSubstitution

public class SystemVariables
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	ENV_PREFIX
static String	HIVECONF_PREFIX
static String	HIVEVAR_PREFIX
static String	METACONF_PREFIX
static String	SET_COLUMN_NAME
static String	SYSTEM_PREFIX
protected static Pattern	varPat

Constructor Summary

Constructors

Constructor and Description
SystemVariables()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	containsVar(String expr)
protected String	getSubstitute(org.apache.hadoop.conf.Configuration conf, String var)
protected String	substitute(org.apache.hadoop.conf.Configuration conf, String expr, int depth)

Methods inherited from class java.lang.Object

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

Field Detail

varPat

protected static Pattern varPat

ENV_PREFIX

public static final String ENV_PREFIX

See Also:

Constant Field Values

SYSTEM_PREFIX

public static final String SYSTEM_PREFIX

See Also:

Constant Field Values

HIVECONF_PREFIX

public static final String HIVECONF_PREFIX

See Also:

Constant Field Values

HIVEVAR_PREFIX

public static final String HIVEVAR_PREFIX

See Also:

Constant Field Values

METACONF_PREFIX

public static final String METACONF_PREFIX

See Also:

Constant Field Values

SET_COLUMN_NAME

public static final String SET_COLUMN_NAME

See Also:

Constant Field Values

Constructor Detail

SystemVariables

public SystemVariables()

Method Detail

getSubstitute

protected String getSubstitute(org.apache.hadoop.conf.Configuration conf,
                   String var)

containsVar

public static boolean containsVar(String expr)

substitute

protected final String substitute(org.apache.hadoop.conf.Configuration conf,
                String expr,
                int depth)