Uses of Class
org.apache.druid.segment.VirtualColumns

Packages that use VirtualColumns

Package	Description
org.apache.druid.frame.processor
org.apache.druid.frame.segment
org.apache.druid.frame.segment.columnar
org.apache.druid.frame.segment.row
org.apache.druid.query
org.apache.druid.query.groupby
org.apache.druid.query.operator
org.apache.druid.query.rowsandcols
org.apache.druid.query.rowsandcols.semantic
org.apache.druid.query.scan
org.apache.druid.query.search
org.apache.druid.query.timeseries
org.apache.druid.query.topn
org.apache.druid.segment
org.apache.druid.segment.incremental
org.apache.druid.segment.join
org.apache.druid.segment.join.filter
org.apache.druid.segment.vector
org.apache.druid.segment.virtual

Uses of VirtualColumns in org.apache.druid.frame.processor

Methods in org.apache.druid.frame.processor with parameters of type VirtualColumns

Modifier and Type	Method	Description
static FrameCursor	FrameProcessors.makeCursor(Frame frame, FrameReader frameReader, VirtualColumns virtualColumns)	Returns a FrameCursor for the provided Frame and VirtualColumns, allowing both sequential and random access.

Uses of VirtualColumns in org.apache.druid.frame.segment

Methods in org.apache.druid.frame.segment with parameters of type VirtualColumns

Modifier and Type	Method	Description
boolean	FrameStorageAdapter.canVectorize(Filter filter, VirtualColumns virtualColumns, boolean descending)
Sequence<Cursor>	FrameStorageAdapter.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)
VectorCursor	FrameStorageAdapter.makeVectorCursor(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, boolean descending, int vectorSize, QueryMetrics<?> queryMetrics)

Uses of VirtualColumns in org.apache.druid.frame.segment.columnar

Methods in org.apache.druid.frame.segment.columnar with parameters of type VirtualColumns

Modifier and Type	Method	Description
boolean	FrameCursorFactory.canVectorize(Filter filter, VirtualColumns virtualColumns, boolean descending)
Sequence<Cursor>	FrameCursorFactory.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)
VectorCursor	FrameCursorFactory.makeVectorCursor(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, boolean descending, int vectorSize, QueryMetrics<?> queryMetrics)

Uses of VirtualColumns in org.apache.druid.frame.segment.row

Methods in org.apache.druid.frame.segment.row with parameters of type VirtualColumns

Modifier and Type	Method	Description
Sequence<Cursor>	FrameCursorFactory.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)

Uses of VirtualColumns in org.apache.druid.query

Methods in org.apache.druid.query that return VirtualColumns

Modifier and Type	Method	Description
default VirtualColumns	Query.getVirtualColumns()

Methods in org.apache.druid.query with parameters of type VirtualColumns

Modifier and Type	Method	Description
static Set<String>	Queries.computeRequiredColumns(VirtualColumns virtualColumns, DimFilter filter, List<DimensionSpec> dimensions, List<AggregatorFactory> aggregators, List<String> additionalColumns)	Helper for implementations of Query.getRequiredColumns().
static <T> Sequence<Result<T>>	QueryRunnerHelper.makeCursorBasedQuery(StorageAdapter adapter, List<org.joda.time.Interval> queryIntervals, Filter filter, VirtualColumns virtualColumns, boolean descending, Granularity granularity, com.google.common.base.Function<Cursor,Result<T>> mapFn, QueryMetrics<?> queryMetrics)
Druids.ScanQueryBuilder	Druids.ScanQueryBuilder.virtualColumns(VirtualColumns virtualColumns)
Druids.SearchQueryBuilder	Druids.SearchQueryBuilder.virtualColumns(VirtualColumns vc)
Druids.TimeseriesQueryBuilder	Druids.TimeseriesQueryBuilder.virtualColumns(VirtualColumns virtualColumns)

Uses of VirtualColumns in org.apache.druid.query.groupby

Methods in org.apache.druid.query.groupby that return VirtualColumns

Modifier and Type	Method	Description
VirtualColumns	GroupByQuery.getVirtualColumns()

Methods in org.apache.druid.query.groupby with parameters of type VirtualColumns

Modifier and Type	Method	Description
GroupByQuery.Builder	GroupByQuery.Builder.setVirtualColumns(VirtualColumns virtualColumns)
GroupByQuery	GroupByQuery.withVirtualColumns(VirtualColumns virtualColumns)

Constructors in org.apache.druid.query.groupby with parameters of type VirtualColumns

Constructor	Description
GroupByQuery(DataSource dataSource, QuerySegmentSpec querySegmentSpec, VirtualColumns virtualColumns, DimFilter dimFilter, Granularity granularity, List<DimensionSpec> dimensions, List<AggregatorFactory> aggregatorSpecs, List<PostAggregator> postAggregatorSpecs, HavingSpec havingSpec, LimitSpec limitSpec, List<List<String>> subtotalsSpec, Map<String,Object> context)

Uses of VirtualColumns in org.apache.druid.query.operator

Methods in org.apache.druid.query.operator that return VirtualColumns

Modifier and Type	Method	Description
VirtualColumns	ScanOperatorFactory.getVirtualColumns()

Constructors in org.apache.druid.query.operator with parameters of type VirtualColumns

Constructor	Description
ScanOperator(Operator subOperator, List<String> projectedColumns, VirtualColumns virtualColumns, org.joda.time.Interval timeRange, Filter filter, List<ColumnWithDirection> ordering, OffsetLimit offsetLimit)
ScanOperatorFactory(org.joda.time.Interval timeRange, DimFilter filter, OffsetLimit offsetLimit, List<String> projectedColumns, VirtualColumns virtualColumns, List<ColumnWithDirection> ordering)

Uses of VirtualColumns in org.apache.druid.query.rowsandcols

Constructors in org.apache.druid.query.rowsandcols with parameters of type VirtualColumns

Constructor	Description
LazilyDecoratedRowsAndColumns(RowsAndColumns base, org.joda.time.Interval interval, Filter filter, VirtualColumns virtualColumns, OffsetLimit limit, List<ColumnWithDirection> ordering, LinkedHashSet<String> viewableColumns)

Uses of VirtualColumns in org.apache.druid.query.rowsandcols.semantic

Methods in org.apache.druid.query.rowsandcols.semantic with parameters of type VirtualColumns

Modifier and Type	Method	Description
void	DefaultRowsAndColumnsDecorator.addVirtualColumns(VirtualColumns virtualColumns)
void	RowsAndColumnsDecorator.addVirtualColumns(VirtualColumns virtualColumn)

Constructors in org.apache.druid.query.rowsandcols.semantic with parameters of type VirtualColumns

Constructor	Description
DefaultRowsAndColumnsDecorator(RowsAndColumns base, org.joda.time.Interval interval, Filter filter, VirtualColumns virtualColumns, OffsetLimit limit, List<ColumnWithDirection> ordering)

Uses of VirtualColumns in org.apache.druid.query.scan

Methods in org.apache.druid.query.scan that return VirtualColumns

Modifier and Type	Method	Description
VirtualColumns	ScanQuery.getVirtualColumns()

Constructors in org.apache.druid.query.scan with parameters of type VirtualColumns

Constructor	Description
ScanQuery(DataSource dataSource, QuerySegmentSpec querySegmentSpec, VirtualColumns virtualColumns, ScanQuery.ResultFormat resultFormat, int batchSize, long scanRowsOffset, long scanRowsLimit, ScanQuery.Order orderFromUser, List<ScanQuery.OrderBy> orderBysFromUser, DimFilter dimFilter, List<String> columns, Boolean legacy, Map<String,Object> context, List<ColumnType> columnTypes)

Uses of VirtualColumns in org.apache.druid.query.search

Methods in org.apache.druid.query.search that return VirtualColumns

Modifier and Type	Method	Description
VirtualColumns	SearchQuery.getVirtualColumns()

Constructors in org.apache.druid.query.search with parameters of type VirtualColumns

Constructor	Description
SearchQuery(DataSource dataSource, DimFilter dimFilter, Granularity granularity, int limit, QuerySegmentSpec querySegmentSpec, List<DimensionSpec> dimensions, VirtualColumns virtualColumns, SearchQuerySpec querySpec, SearchSortSpec sortSpec, Map<String,Object> context)

Uses of VirtualColumns in org.apache.druid.query.timeseries

Methods in org.apache.druid.query.timeseries that return VirtualColumns

Modifier and Type	Method	Description
VirtualColumns	TimeseriesQuery.getVirtualColumns()

Constructors in org.apache.druid.query.timeseries with parameters of type VirtualColumns

Constructor	Description
TimeseriesQuery(DataSource dataSource, QuerySegmentSpec querySegmentSpec, boolean descending, VirtualColumns virtualColumns, DimFilter dimFilter, Granularity granularity, List<AggregatorFactory> aggregatorSpecs, List<PostAggregator> postAggregatorSpecs, int limit, Map<String,Object> context)

Uses of VirtualColumns in org.apache.druid.query.topn

Methods in org.apache.druid.query.topn that return VirtualColumns

Modifier and Type	Method	Description
VirtualColumns	TopNQuery.getVirtualColumns()

Methods in org.apache.druid.query.topn with parameters of type VirtualColumns

Modifier and Type	Method	Description
TopNQueryBuilder	TopNQueryBuilder.virtualColumns(VirtualColumns virtualColumns)

Constructors in org.apache.druid.query.topn with parameters of type VirtualColumns

Constructor	Description
TopNQuery(DataSource dataSource, VirtualColumns virtualColumns, DimensionSpec dimensionSpec, TopNMetricSpec topNMetricSpec, int threshold, QuerySegmentSpec querySegmentSpec, DimFilter dimFilter, Granularity granularity, List<AggregatorFactory> aggregatorSpecs, List<PostAggregator> postAggregatorSpecs, Map<String,Object> context)

Uses of VirtualColumns in org.apache.druid.segment

Fields in org.apache.druid.segment declared as VirtualColumns

Modifier and Type	Field	Description
static VirtualColumns	VirtualColumns.EMPTY

Methods in org.apache.druid.segment that return VirtualColumns

Modifier and Type	Method	Description
static VirtualColumns	VirtualColumns.create(List<VirtualColumn> virtualColumns)
static VirtualColumns	VirtualColumns.create(VirtualColumn... virtualColumns)
static VirtualColumns	VirtualColumns.nullToEmpty(VirtualColumns virtualColumns)

Methods in org.apache.druid.segment with parameters of type VirtualColumns

Modifier and Type	Method	Description
default boolean	CursorFactory.canVectorize(Filter filter, VirtualColumns virtualColumns, boolean descending)	Returns true if the provided combination of parameters can be handled by "makeVectorCursor".
boolean	QueryableIndexStorageAdapter.canVectorize(Filter filter, VirtualColumns virtualColumns, boolean descending)
Pair<Filter,Filter>	UnnestStorageAdapter.computeBaseAndPostUnnestFilters(Filter queryFilter, Filter unnestFilter, VirtualColumns queryVirtualColumns, String inputColumn, ColumnCapabilities inputColumnCapabilites)	Split queryFilter into pre- and post-correlate filters.
Sequence<Cursor>	CursorFactory.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)	Creates a sequence of Cursors, one for each time-granular bucket (based on the provided Granularity).
Sequence<Cursor>	FilteredStorageAdapter.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)
Sequence<Cursor>	QueryableIndexStorageAdapter.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)
Sequence<Cursor>	RowBasedStorageAdapter.makeCursors(Filter filter, org.joda.time.Interval queryInterval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)
Sequence<Cursor>	UnnestStorageAdapter.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)
default VectorCursor	CursorFactory.makeVectorCursor(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, boolean descending, int vectorSize, QueryMetrics<?> queryMetrics)	Creates a VectorCursor.
VectorCursor	QueryableIndexStorageAdapter.makeVectorCursor(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, boolean descending, int vectorSize, QueryMetrics<?> queryMetrics)
static VirtualColumns	VirtualColumns.nullToEmpty(VirtualColumns virtualColumns)
static boolean	VirtualColumns.shouldVectorize(Query<?> query, VirtualColumns virtualColumns, ColumnInspector inspector)

Constructors in org.apache.druid.segment with parameters of type VirtualColumns

Constructor	Description
ColumnSelectorColumnIndexSelector(BitmapFactory bitmapFactory, VirtualColumns virtualColumns, ColumnSelector index)
QueryableIndexColumnSelectorFactory(VirtualColumns virtualColumns, boolean descending, ReadableOffset offset, ColumnCache columnCache)
QueryableIndexCursorSequenceBuilder(QueryableIndex index, org.joda.time.Interval interval, VirtualColumns virtualColumns, Filter filter, QueryMetrics<? extends Query> metrics, long minDataTimestamp, long maxDataTimestamp, boolean descending)
RowBasedCursor(RowWalker<RowType> rowWalker, RowAdapter<RowType> rowAdapter, Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, RowSignature rowSignature)

Uses of VirtualColumns in org.apache.druid.segment.incremental

Methods in org.apache.druid.segment.incremental that return VirtualColumns

Modifier and Type	Method	Description
VirtualColumns	IncrementalIndexSchema.getVirtualColumns()

Methods in org.apache.druid.segment.incremental with parameters of type VirtualColumns

Modifier and Type	Method	Description
static ColumnSelectorFactory	IncrementalIndex.makeColumnSelectorFactory(VirtualColumns virtualColumns, IncrementalIndex.InputRowHolder inputRowHolder, AggregatorFactory agg)	Column selector used at ingestion time for inputs to aggregators.
Sequence<Cursor>	IncrementalIndexStorageAdapter.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)
IncrementalIndexSchema.Builder	IncrementalIndexSchema.Builder.withVirtualColumns(VirtualColumns virtualColumns)

Constructors in org.apache.druid.segment.incremental with parameters of type VirtualColumns

Constructor	Description
IncrementalIndexSchema(long minTimestamp, TimestampSpec timestampSpec, Granularity gran, VirtualColumns virtualColumns, DimensionsSpec dimensionsSpec, AggregatorFactory[] metrics, boolean rollup)

Uses of VirtualColumns in org.apache.druid.segment.join

Methods in org.apache.druid.segment.join with parameters of type VirtualColumns

Modifier and Type	Method	Description
boolean	HashJoinSegmentStorageAdapter.canVectorize(Filter filter, VirtualColumns virtualColumns, boolean descending)
Set<String>	HashJoinSegmentStorageAdapter.determineBaseColumnsWithPreAndPostJoinVirtualColumns(VirtualColumns virtualColumns, List<VirtualColumn> preJoinVirtualColumns, List<VirtualColumn> postJoinVirtualColumns)	Return a String set containing the name of columns that belong to the base table (including any pre-join virtual columns as well).
Sequence<Cursor>	HashJoinSegmentStorageAdapter.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)
VectorCursor	HashJoinSegmentStorageAdapter.makeVectorCursor(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, boolean descending, int vectorSize, QueryMetrics<?> queryMetrics)
static PostJoinCursor	PostJoinCursor.wrap(Cursor baseCursor, VirtualColumns virtualColumns, Filter filter)

Uses of VirtualColumns in org.apache.druid.segment.join.filter

Methods in org.apache.druid.segment.join.filter that return VirtualColumns

Modifier and Type	Method	Description
VirtualColumns	JoinFilterPreAnalysisKey.getVirtualColumns()

Methods in org.apache.druid.segment.join.filter with parameters of type VirtualColumns

Modifier and Type	Method	Description
void	JoinableClauses.splitVirtualColumns(VirtualColumns virtualColumns, List<VirtualColumn> preJoinVirtualColumns, List<VirtualColumn> postJoinVirtualColumns)

Constructors in org.apache.druid.segment.join.filter with parameters of type VirtualColumns

Constructor	Description
JoinFilterPreAnalysisKey(JoinFilterRewriteConfig config, List<JoinableClause> clauses, VirtualColumns virtualColumns, Filter filter)

Uses of VirtualColumns in org.apache.druid.segment.vector

Constructors in org.apache.druid.segment.vector with parameters of type VirtualColumns

Constructor	Description
QueryableIndexVectorColumnSelectorFactory(QueryableIndex index, ReadableVectorOffset offset, ColumnCache columnCache, VirtualColumns virtualColumns)

Uses of VirtualColumns in org.apache.druid.segment.virtual

Fields in org.apache.druid.segment.virtual declared as VirtualColumns

Modifier and Type	Field	Description
protected VirtualColumns	VirtualizedColumnInspector.virtualColumns

Constructors in org.apache.druid.segment.virtual with parameters of type VirtualColumns

Constructor	Description
VirtualizedColumnInspector(ColumnInspector baseInspector, VirtualColumns virtualColumns)
VirtualizedColumnSelectorFactory(ColumnSelectorFactory baseFactory, VirtualColumns virtualColumns)