Uses of Interface
org.apache.druid.segment.column.ColumnHolder

Packages that use ColumnHolder

Package	Description
org.apache.druid.frame.read.columnar
org.apache.druid.segment
org.apache.druid.segment.column
org.apache.druid.segment.nested
org.apache.druid.segment.serde

Uses of ColumnHolder in org.apache.druid.frame.read.columnar

Classes in org.apache.druid.frame.read.columnar that implement ColumnHolder

Modifier and Type	Class	Description
class	ColumnPlus	Returned by FrameColumnReader.readColumn(org.apache.druid.frame.Frame).

Uses of ColumnHolder in org.apache.druid.segment

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

Modifier and Type	Method	Description
ColumnHolder	ColumnCache.getColumnHolder(String columnName)
ColumnHolder	ColumnSelector.getColumnHolder(String columnName)

Uses of ColumnHolder in org.apache.druid.segment.column

Subinterfaces of ColumnHolder in org.apache.druid.segment.column

Modifier and Type	Interface	Description
interface	BaseColumnHolder	Specialized holder for BaseColumn (physical column).

Methods in org.apache.druid.segment.column with parameters of type ColumnHolder

Modifier and Type	Method	Description
BaseColumnHolder	ColumnDescriptor.read(ByteBuffer buffer, ColumnConfig columnConfig, SmooshedFileMapper smooshedFiles, ColumnHolder parent)

Uses of ColumnHolder in org.apache.druid.segment.nested

Methods in org.apache.druid.segment.nested that return ColumnHolder

Modifier and Type	Method	Description
ColumnHolder	CompressedNestedDataComplexColumn.getColumnHolder(List<NestedPathPart> path)
abstract ColumnHolder	NestedDataComplexColumn.getColumnHolder(List<NestedPathPart> path)	Get a ColumnHolder for a nested field column to retrieve metadata, the column itself, or indexes.

Uses of ColumnHolder in org.apache.druid.segment.serde

Methods in org.apache.druid.segment.serde with parameters of type ColumnHolder

Modifier and Type	Method	Description
void	ColumnPartSerde.Deserializer.read(ByteBuffer buffer, ColumnBuilder builder, ColumnConfig columnConfig, ColumnHolder parent)