org.apache.hadoop.hive.common

Class StatsSetupConst

java.lang.Object

org.apache.hadoop.hive.common.StatsSetupConst

public class StatsSetupConst
extends Object

A class that defines the constant strings used by the statistics implementation.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	StatsSetupConst.StatDB

Field Summary

Fields

Modifier and Type	Field and Description
static String	COLUMN_STATS_ACCURATE
static String	DO_NOT_UPDATE_STATS
static String	FALSE
static String[]	fastStats
static String	NUM_FILES The name of the statistic Num Files to be published or gathered.
static String	NUM_PARTITIONS The name of the statistic Num Partitions to be published or gathered.
static String	RAW_DATA_SIZE The name of the statistic Raw Data Size to be published or gathered.
static String	ROW_COUNT The name of the statistic Row Count to be published or gathered.
static String	STATS_FILE_PREFIX
static String	STATS_GENERATED_VIA_STATS_TASK
static String	STATS_TMP_LOC Temp dir for writing stats from tasks.
static String[]	statsRequireCompute
static String[]	supportedStats
static String	TOTAL_SIZE The name of the statistic Total Size to be published or gathered.
static String	TRUE

Constructor Summary

Constructors

Constructor and Description
StatsSetupConst()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	areStatsUptoDate(Map<String,String> params)

Methods inherited from class java.lang.Object

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

Field Detail

NUM_FILES

public static final String NUM_FILES

The name of the statistic Num Files to be published or gathered.

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Constant Field Values

NUM_PARTITIONS

public static final String NUM_PARTITIONS

The name of the statistic Num Partitions to be published or gathered.

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Constant Field Values

TOTAL_SIZE

public static final String TOTAL_SIZE

The name of the statistic Total Size to be published or gathered.

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Constant Field Values

ROW_COUNT

public static final String ROW_COUNT

The name of the statistic Row Count to be published or gathered.

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Constant Field Values

RAW_DATA_SIZE

public static final String RAW_DATA_SIZE

The name of the statistic Raw Data Size to be published or gathered.

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Constant Field Values

STATS_TMP_LOC

public static final String STATS_TMP_LOC

Temp dir for writing stats from tasks.

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Constant Field Values

STATS_FILE_PREFIX

public static final String STATS_FILE_PREFIX

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Constant Field Values

supportedStats

public static final String[] supportedStats

statsRequireCompute

public static final String[] statsRequireCompute

fastStats

public static final String[] fastStats

STATS_GENERATED_VIA_STATS_TASK

public static final String STATS_GENERATED_VIA_STATS_TASK

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Constant Field Values

DO_NOT_UPDATE_STATS

public static final String DO_NOT_UPDATE_STATS

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Constant Field Values

COLUMN_STATS_ACCURATE

public static final String COLUMN_STATS_ACCURATE

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Constant Field Values

TRUE

public static final String TRUE

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Constant Field Values

FALSE

public static final String FALSE

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Constant Field Values

Constructor Detail

StatsSetupConst

public StatsSetupConst()

Method Detail

areStatsUptoDate

public static boolean areStatsUptoDate(Map<String,String> params)