Uses of Interface
org.apache.drill.metastore.metadata.Metadata

Packages that use Metadata

Package	Description
org.apache.drill.exec.physical.base
org.apache.drill.metastore.metadata
org.apache.drill.metastore.statistics

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

Methods in org.apache.drill.exec.physical.base with type parameters of type Metadata

Modifier and Type	Method	Description
<T extends Metadata> List<T>	AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.filterAndGetMetadata(Set<SchemaPath> schemaPathsInExpr, Iterable<T> metadataList, FilterPredicate<?> filterPredicate, OptionManager optionManager)	Produces filtering of specified metadata using specified filter expression and returns filtered metadata.
protected <T extends Metadata> Map<SchemaPath,ColumnStatistics<?>>	AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.getImplicitColumnStatistics(OptionManager optionManager, T metadata, Map<SchemaPath,ColumnStatistics<?>> columnsStatistics)

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

Subinterfaces of Metadata in org.apache.drill.metastore.metadata

Modifier and Type	Interface	Description
interface	TableMetadata	Metadata which corresponds to the table level.

Classes in org.apache.drill.metastore.metadata that implement Metadata

Modifier and Type	Class	Description
class	BaseMetadata	Common provider of tuple schema, column metadata, and statistics for table, partition, file or row group.
class	BaseTableMetadata	Base implementation of TableMetadata interface.
class	FileMetadata	Metadata which corresponds to the file level of table.
class	NonInterestingColumnsMetadata	Represents a metadata for the non-interesting columns.
class	PartitionMetadata	Represents a metadata for the table part, which corresponds to the specific partition key.
class	RowGroupMetadata	Metadata which corresponds to the row group level of table.
class	SegmentMetadata	Metadata which corresponds to the segment level of table.

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

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

Modifier and Type	Method	Description
T	TableStatisticsKind.getValue(Metadata metadata)	Returns value which corresponds to this statistic kind, obtained from specified Metadata.

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

Modifier and Type	Method	Description
T	CollectableTableStatisticsKind.mergeStatistics(Collection<? extends Metadata> statistics)	Returns table statistics value received by collecting specified ColumnStatistics.
T	TableStatisticsKind.mergeStatistics(Collection<? extends Metadata> statistics)