Uses of Class
org.apache.hadoop.hive.ql.plan.Statistics

Packages that use Statistics

Package	Description
org.apache.hadoop.hive.ql
org.apache.hadoop.hive.ql.exec	Hive QL execution tasks, operators, functions and other handlers.
org.apache.hadoop.hive.ql.optimizer
org.apache.hadoop.hive.ql.optimizer.stats.annotation
org.apache.hadoop.hive.ql.plan
org.apache.hadoop.hive.ql.stats

Uses of Statistics in org.apache.hadoop.hive.ql

Methods in org.apache.hadoop.hive.ql that return Statistics

Modifier and Type	Method and Description
Statistics	Context.getMaterializedTableStats(TableName tableName)

Methods in org.apache.hadoop.hive.ql with parameters of type Statistics

Modifier and Type	Method and Description
void	Context.addMaterializedTable(String cteName, Table table, Statistics statistics)

Uses of Statistics in org.apache.hadoop.hive.ql.exec

Methods in org.apache.hadoop.hive.ql.exec that return Statistics

Modifier and Type	Method and Description
Statistics	Operator.getStatistics()

Methods in org.apache.hadoop.hive.ql.exec with parameters of type Statistics

Modifier and Type	Method and Description
void	Operator.setStatistics(Statistics stats)

Uses of Statistics in org.apache.hadoop.hive.ql.optimizer

Methods in org.apache.hadoop.hive.ql.optimizer with parameters of type Statistics

Modifier and Type	Method and Description
long	ConvertJoinMapJoin.computeOnlineDataSize(Statistics statistics)
long	ConvertJoinMapJoin.computeOnlineDataSizeFast(Statistics statistics)
long	ConvertJoinMapJoin.computeOnlineDataSizeFastCompositeKeyed(Statistics statistics)
long	ConvertJoinMapJoin.computeOnlineDataSizeFastLongKeyed(Statistics statistics)
long	ConvertJoinMapJoin.computeOnlineDataSizeGeneric(Statistics statistics, long overHeadPerRow, long overHeadPerSlot)
long	ConvertJoinMapJoin.computeOnlineDataSizeOptimized(Statistics statistics)

Uses of Statistics in org.apache.hadoop.hive.ql.optimizer.stats.annotation

Methods in org.apache.hadoop.hive.ql.optimizer.stats.annotation that return Statistics

Modifier and Type	Method and Description
Statistics	AnnotateStatsProcCtx.getAndExprStats()

Methods in org.apache.hadoop.hive.ql.optimizer.stats.annotation with parameters of type Statistics

Modifier and Type	Method and Description
protected long	StatsRulesProcFactory.FilterStatsRule.evaluateExpression(Statistics stats, ExprNodeDesc pred, AnnotateStatsProcCtx aspCtx, List<String> neededCols, Operator<?> op, long currNumRows)
void	AnnotateStatsProcCtx.setAndExprStats(Statistics andExprStats)

Uses of Statistics in org.apache.hadoop.hive.ql.plan

Fields in org.apache.hadoop.hive.ql.plan declared as Statistics

Modifier and Type	Field and Description
protected Statistics	AbstractOperatorDesc.statistics

Methods in org.apache.hadoop.hive.ql.plan that return Statistics

Modifier and Type	Method and Description
Statistics	Statistics.clone()
Statistics	OperatorDesc.getStatistics()
Statistics	AbstractOperatorDesc.getStatistics()
Statistics	Statistics.scaleToRowCount(long newRowCount, boolean downScaleOnly)

Methods in org.apache.hadoop.hive.ql.plan with parameters of type Statistics

Modifier and Type	Method and Description
void	Statistics.addBasicStats(Statistics stats)
void	OperatorDesc.setStatistics(Statistics statistics)
void	AbstractOperatorDesc.setStatistics(Statistics statistics)

Uses of Statistics in org.apache.hadoop.hive.ql.stats

Methods in org.apache.hadoop.hive.ql.stats that return Statistics

Modifier and Type	Method and Description
static Statistics	StatsUtils.collectStatistics(HiveConf conf, PrunedPartitionList partList, ColumnStatsList colStatsCache, Table table, TableScanOperator tableScanOperator) Collect table, partition and column level statistics
static Statistics	StatsUtils.collectStatistics(HiveConf conf, PrunedPartitionList partList, Table table, List<ColumnInfo> schema, List<String> neededColumns, ColumnStatsList colStatsCache, List<String> referencedColumns, boolean needColStats)

Methods in org.apache.hadoop.hive.ql.stats with parameters of type Statistics

Modifier and Type	Method and Description
static long	StatsUtils.computeNDVGroupingColumns(List<ColStatistics> colStats, Statistics parentStats, boolean expDecay)
static ColStatistics	StatsUtils.getColStatisticsFromExpression(HiveConf conf, Statistics parentStats, ExprNodeDesc end) Get column statistics expression nodes
static List<ColStatistics>	StatsUtils.getColStatisticsFromExprMap(HiveConf conf, Statistics parentStats, Map<String,ExprNodeDesc> colExprMap, RowSchema rowSchema) Get column statistics from parent statistics.
static List<ColStatistics>	StatsUtils.getColStatisticsUpdatingTableAlias(Statistics parentStats, RowSchema rowSchema) Get column statistics from parent statistics given the row schema of its child.
static void	StatsUtils.updateStats(Statistics stats, long newNumRows, boolean useColStats, Operator<? extends OperatorDesc> op) Update the basic statistics of the statistics object based on the row number
static void	StatsUtils.updateStats(Statistics stats, long newNumRows, boolean useColStats, Operator<? extends OperatorDesc> op, Set<String> affectedColumns)