Uses of Class
org.apache.drill.metastore.statistics.ColumnStatistics

Packages that use ColumnStatistics

Package	Description
org.apache.drill.exec.expr	Drill expression materialization and evaluation facilities.
org.apache.drill.exec.physical.base
org.apache.drill.exec.store.ischema
org.apache.drill.exec.store.parquet
org.apache.drill.metastore.metadata
org.apache.drill.metastore.statistics
org.apache.drill.metastore.util

Uses of ColumnStatistics in org.apache.drill.exec.expr

Methods in org.apache.drill.exec.expr that return ColumnStatistics

Modifier and Type	Method	Description
static <V> ColumnStatistics<V>	StatisticsProvider.getColumnStatistics(V minVal, V maxVal, long nullsCount, TypeProtos.MinorType type)	Returns ColumnStatistics instance with set min, max values and nulls count statistics specified in the arguments.
static <V> ColumnStatistics<V>	StatisticsProvider.getConstantColumnStatistics(V minMaxValue, LogicalExpression expr)	Returns ColumnStatistics instance with min and max values set to minMaxValue and nulls count set to 0.
static <V> ColumnStatistics<V>	StatisticsProvider.getConstantColumnStatistics(V minMaxValue, TypeProtos.MinorType type)	Returns ColumnStatistics instance with min and max values set to minMaxValue and nulls count set to 0.
ColumnStatistics<Boolean>	StatisticsProvider.visitBooleanConstant(ValueExpressions.BooleanExpression expr, Void value)
ColumnStatistics<Long>	StatisticsProvider.visitDateConstant(ValueExpressions.DateExpression expr, Void value)
ColumnStatistics<Double>	StatisticsProvider.visitDoubleConstant(ValueExpressions.DoubleExpression expr, Void value)
ColumnStatistics<Float>	StatisticsProvider.visitFloatConstant(ValueExpressions.FloatExpression expr, Void value)
ColumnStatistics<?>	StatisticsProvider.visitFunctionHolderExpression(FunctionHolderExpression holderExpr, Void value)
ColumnStatistics<Integer>	StatisticsProvider.visitIntConstant(ValueExpressions.IntExpression expr, Void value)
ColumnStatistics<Long>	StatisticsProvider.visitLongConstant(ValueExpressions.LongExpression expr, Void value)
ColumnStatistics<String>	StatisticsProvider.visitQuotedStringConstant(ValueExpressions.QuotedString expr, Void value)
ColumnStatistics<Integer>	StatisticsProvider.visitTimeConstant(ValueExpressions.TimeExpression expr, Void value)
ColumnStatistics<Long>	StatisticsProvider.visitTimeStampConstant(ValueExpressions.TimeStampExpression expr, Void value)
ColumnStatistics<?>	StatisticsProvider.visitTypedFieldExpr(TypedFieldExpr typedFieldExpr, Void value)
ColumnStatistics<?>	StatisticsProvider.visitUnknown(LogicalExpression e, Void value)
ColumnStatistics<BigInteger>	StatisticsProvider.visitVarDecimalConstant(ValueExpressions.VarDecimalExpression expr, Void value)

Methods in org.apache.drill.exec.expr with parameters of type ColumnStatistics

Modifier and Type	Method	Description
static boolean	IsPredicate.isNullOrEmpty(ColumnStatistics<?> stat)

Constructor parameters in org.apache.drill.exec.expr with type arguments of type ColumnStatistics

Modifier	Constructor	Description
	StatisticsProvider(Map<SchemaPath,ColumnStatistics<?>> columnStatMap, long rowCount, UdfUtilities udfUtilities)

Uses of ColumnStatistics in org.apache.drill.exec.physical.base

Methods in org.apache.drill.exec.physical.base that return types with arguments of type ColumnStatistics

Modifier and Type	Method	Description
protected <T extends Metadata> Map<SchemaPath,ColumnStatistics<?>>	AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.getImplicitColumnStatistics(OptionManager optionManager, T metadata, Map<SchemaPath,ColumnStatistics<?>> columnsStatistics)

Method parameters in org.apache.drill.exec.physical.base with type arguments of type ColumnStatistics

Modifier and Type	Method	Description
protected <T extends Metadata> Map<SchemaPath,ColumnStatistics<?>>	AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.getImplicitColumnStatistics(OptionManager optionManager, T metadata, Map<SchemaPath,ColumnStatistics<?>> columnsStatistics)

Uses of ColumnStatistics in org.apache.drill.exec.store.ischema

Constructors in org.apache.drill.exec.store.ischema with parameters of type ColumnStatistics

Modifier	Constructor	Description
	Column(String catalog, String schemaName, String tableName, String columnName, ColumnMetadata columnMetadata, ColumnStatistics<?> columnStatistics, int index, boolean isNested)

Uses of ColumnStatistics in org.apache.drill.exec.store.parquet

Methods in org.apache.drill.exec.store.parquet that return types with arguments of type ColumnStatistics

Modifier and Type	Method	Description
static Map<SchemaPath,ColumnStatistics<?>>	ParquetTableMetadataUtils.addImplicitColumnsStatistics(Map<SchemaPath,ColumnStatistics<?>> columnsStatistics, List<SchemaPath> columns, List<String> partitionValues, OptionManager optionManager, org.apache.hadoop.fs.Path location, boolean supportsFileImplicitColumns)	Creates new map based on specified columnStatistics with added statistics for implicit and partition (dir) columns.
static Map<SchemaPath,ColumnStatistics<?>>	ParquetTableMetadataUtils.getColumnStatistics(TupleMetadata schema, DrillStatsTable statistics)	Returns map with schema path and ColumnStatistics obtained from specified DrillStatsTable for all columns from specified BaseTableMetadata.
static Map<SchemaPath,ColumnStatistics<?>>	ParquetTableMetadataUtils.getRowGroupColumnStatistics(MetadataBase.ParquetTableMetadataBase tableMetadata, MetadataBase.RowGroupMetadata rowGroupMetadata)	Converts specified MetadataBase.RowGroupMetadata into the map of ColumnStatistics instances with column names as keys.

Method parameters in org.apache.drill.exec.store.parquet with type arguments of type ColumnStatistics

Modifier and Type	Method	Description
static Map<SchemaPath,ColumnStatistics<?>>	ParquetTableMetadataUtils.addImplicitColumnsStatistics(Map<SchemaPath,ColumnStatistics<?>> columnsStatistics, List<SchemaPath> columns, List<String> partitionValues, OptionManager optionManager, org.apache.hadoop.fs.Path location, boolean supportsFileImplicitColumns)	Creates new map based on specified columnStatistics with added statistics for implicit and partition (dir) columns.
static RowsMatch	FilterEvaluatorUtils.matches(LogicalExpression expr, Map<SchemaPath,ColumnStatistics<?>> columnsStatistics, TupleMetadata schema, long rowCount, UdfUtilities udfUtilities, FunctionLookupContext functionImplementationRegistry, Set<SchemaPath> schemaPathsInExpr)
static <T extends Comparable<T>> RowsMatch	FilterEvaluatorUtils.matches(FilterPredicate<T> parquetPredicate, Map<SchemaPath,ColumnStatistics<?>> columnsStatistics, long rowCount, TupleMetadata fileMetadata, Set<SchemaPath> schemaPathsInExpr, UdfUtilities udfUtilities)

Uses of ColumnStatistics in org.apache.drill.metastore.metadata

Fields in org.apache.drill.metastore.metadata with type parameters of type ColumnStatistics

Modifier and Type	Field	Description
protected Map<SchemaPath,ColumnStatistics<?>>	BaseMetadata.BaseMetadataBuilder.columnsStatistics
protected final Map<SchemaPath,ColumnStatistics<?>>	BaseMetadata.columnsStatistics

Methods in org.apache.drill.metastore.metadata that return ColumnStatistics

Modifier and Type	Method	Description
ColumnStatistics<?>	BaseMetadata.getColumnStatistics(SchemaPath columnName)
ColumnStatistics<?>	Metadata.getColumnStatistics(SchemaPath columnName)	Returns statistics for specified column stored in current metadata.
ColumnStatistics<?>	NonInterestingColumnsMetadata.getColumnStatistics(SchemaPath columnName)

Methods in org.apache.drill.metastore.metadata that return types with arguments of type ColumnStatistics

Modifier and Type	Method	Description
Map<SchemaPath,ColumnStatistics<?>>	BaseMetadata.getColumnsStatistics()
Map<SchemaPath,ColumnStatistics<?>>	Metadata.getColumnsStatistics()	Returns statistics stored in current metadata represented as Map of column SchemaPaths and corresponding ColumnStatistics.
Map<SchemaPath,ColumnStatistics<?>>	NonInterestingColumnsMetadata.getColumnsStatistics()

Method parameters in org.apache.drill.metastore.metadata with type arguments of type ColumnStatistics

Modifier and Type	Method	Description
BaseTableMetadata	BaseTableMetadata.cloneWithStats(Map<SchemaPath,ColumnStatistics<?>> columnStatistics, List<StatisticsHolder<?>> tableStatistics)
TableMetadata	TableMetadata.cloneWithStats(Map<SchemaPath,ColumnStatistics<?>> columnStatistics, List<StatisticsHolder<?>> tableStatistics)
T	BaseMetadata.BaseMetadataBuilder.columnsStatistics(Map<SchemaPath,ColumnStatistics<?>> columnsStatistics)

Constructor parameters in org.apache.drill.metastore.metadata with type arguments of type ColumnStatistics

Modifier	Constructor	Description
	NonInterestingColumnsMetadata(Map<SchemaPath,ColumnStatistics<?>> columnsStatistics)

Uses of ColumnStatistics in org.apache.drill.metastore.statistics

Methods in org.apache.drill.metastore.statistics that return ColumnStatistics

Modifier and Type	Method	Description
ColumnStatistics<T>	ColumnStatistics.cloneWith(ColumnStatistics<T> sourceStatistics)	Returns new ColumnStatistics instance with overridden statistics taken from specified ColumnStatistics.
ColumnStatistics<T>	ColumnStatistics.genericClone(ColumnStatistics<?> sourceStatistics)
static ColumnStatistics<?>	ColumnStatistics.of(String columnStatistics)

Methods in org.apache.drill.metastore.statistics with parameters of type ColumnStatistics

Modifier and Type	Method	Description
ColumnStatistics<T>	ColumnStatistics.cloneWith(ColumnStatistics<T> sourceStatistics)	Returns new ColumnStatistics instance with overridden statistics taken from specified ColumnStatistics.
ColumnStatistics<T>	ColumnStatistics.genericClone(ColumnStatistics<?> sourceStatistics)
T	ColumnStatisticsKind.getFrom(ColumnStatistics<?> metadata)	Returns value which corresponds to this statistic kind, obtained from specified BaseMetadata.
<V> V	ColumnStatisticsKind.getValueStatistic(ColumnStatistics<V> metadata)

Method parameters in org.apache.drill.metastore.statistics with type arguments of type ColumnStatistics

Modifier and Type	Method	Description
Object	CollectableColumnStatisticsKind.mergeStatistics(List<? extends ColumnStatistics<?>> statistics)	Returns column statistics value received by collecting specified ColumnStatistics.
T	ColumnStatisticsKind.mergeStatistics(List<? extends ColumnStatistics<?>> statistics)

Uses of ColumnStatistics in org.apache.drill.metastore.util

Methods in org.apache.drill.metastore.util that return types with arguments of type ColumnStatistics

Modifier and Type	Method	Description
static <T extends BaseMetadata> Map<SchemaPath,ColumnStatistics<?>>	TableMetadataUtils.mergeColumnsStatistics(Collection<T> metadataList, Set<SchemaPath> columns, List<CollectableColumnStatisticsKind<?>> statisticsToCollect)	Merges list of specified metadata into the map of ColumnStatistics with columns as keys.