| Interface | Description |
|---|---|
| CollectableColumnStatisticsKind<V> |
This class represents kinds of column statistics which may be received as a union
of other statistics, for example column nulls count may be received as a sum of nulls counts
of underlying metadata parts.
|
| CollectableTableStatisticsKind<T> |
This class represents kinds of table statistics which may be received as a union
of other statistics, for example row count may be received as a sum of row counts
of underlying metadata parts.
|
| ExactStatisticsConstants | |
| Histogram |
A column specific histogram
|
| Statistic | |
| StatisticsKind<T> |
Class represents kind of statistics or metadata, for example it may be min value for column,
or row count for table.
|
| Class | Description |
|---|---|
| BaseStatisticsKind<T> |
Implementation of
StatisticsKind which contain base
table statistics kinds with implemented mergeStatistics() method. |
| ColumnStatistics<T> |
Represents collection of statistics values for specific column.
|
| ColumnStatisticsKind<T> |
Implementation of
CollectableColumnStatisticsKind which contain base
column statistics kinds with implemented mergeStatistics() method. |
| StatisticsHolder<T> |
Class-holder for statistics kind and its value.
|
| TableStatisticsKind<T> |
Implementation of
CollectableColumnStatisticsKind which contain base
table statistics kinds with implemented mergeStatistics() method. |
| Enum | Description |
|---|---|
| Statistic.State |
Copyright © 2021 The Apache Software Foundation. All rights reserved.