Uses of Package
org.apache.drill.metastore.statistics
Packages that use org.apache.drill.metastore.statistics
Package
Description
Drill expression materialization and evaluation facilities.
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Classes in org.apache.drill.metastore.statistics used by org.apache.drill.exec.expr
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Classes in org.apache.drill.metastore.statistics used by org.apache.drill.exec.metastore.analyzeClassDescriptionClass represents kind of statistics or metadata, for example it may be min value for column, or row count for table.
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Classes in org.apache.drill.metastore.statistics used by org.apache.drill.exec.physical.base
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Classes in org.apache.drill.metastore.statistics used by org.apache.drill.exec.planner.commonClassDescriptionA column specific histogramClass-holder for statistics kind and its value.
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Classes in org.apache.drill.metastore.statistics used by org.apache.drill.exec.store.ischema
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Classes in org.apache.drill.metastore.statistics used by org.apache.drill.exec.store.parquet
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Classes in org.apache.drill.metastore.statistics used by org.apache.drill.metastore.metadataClassDescriptionRepresents collection of statistics values for specific column.Class-holder for statistics kind and its value.Class represents kind of statistics or metadata, for example it may be min value for column, or row count for table.
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Classes in org.apache.drill.metastore.statistics used by org.apache.drill.metastore.statisticsClassDescriptionImplementation of
StatisticsKindwhich contain base table statistics kinds with implementedmergeStatistics()method.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.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.Represents collection of statistics values for specific column.Implementation ofCollectableColumnStatisticsKindwhich contain base column statistics kinds with implementedmergeStatistics()method.A column specific histogramClass-holder for statistics kind and its value.Class represents kind of statistics or metadata, for example it may be min value for column, or row count for table.Implementation ofCollectableColumnStatisticsKindwhich contain base table statistics kinds with implementedmergeStatistics()method. -
Classes in org.apache.drill.metastore.statistics used by org.apache.drill.metastore.utilClassDescriptionThis 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.Represents collection of statistics values for specific column.