Uses of Interface
org.apache.drill.exec.vector.accessor.reader.NullStateReader

Packages that use NullStateReader

Package	Description
org.apache.drill.exec.vector.accessor.reader	Provides the reader hierarchy as explained in the API package.

Uses of NullStateReader in org.apache.drill.exec.vector.accessor.reader

Classes in org.apache.drill.exec.vector.accessor.reader that implement NullStateReader

Modifier and Type	Class	Description
protected static class	NullStateReaders.AlwaysNullStateReader
protected static class	NullStateReaders.ComplexMemberStateReader	Handle the awkward situation with complex types.
protected static class	NullStateReaders.ListIsSetVectorStateReader	Holder for the NullableVector wrapper around a bits vector and a data vector.
protected static class	NullStateReaders.MemberNullStateReader	Null state that handles the strange union semantics that both the union and the values can be null.
protected static class	NullStateReaders.NullableIsSetVectorStateReader	Holder for the NullableVector wrapper around a bits vector and a data vector.
protected static class	NullStateReaders.RequiredStateReader	Dummy implementation of a null state reader for cases in which the value is never null.
protected static class	NullStateReaders.TypeVectorStateReader	Extract null state from the union vector's type vector.

Fields in org.apache.drill.exec.vector.accessor.reader declared as NullStateReader

Modifier and Type	Field	Description
static final NullStateReader	NullStateReaders.NULL_STATE_READER
protected NullStateReader	AbstractScalarReader.nullStateReader
protected NullStateReader	AbstractTupleReader.nullStateReader
protected NullStateReader	ArrayReaderImpl.nullStateReader
protected NullStateReader	UnionReaderImpl.nullStateReader

Methods in org.apache.drill.exec.vector.accessor.reader that return NullStateReader

Modifier and Type	Method	Description
NullStateReader	AbstractScalarReader.nullStateReader()
NullStateReader	AbstractTupleReader.nullStateReader()
NullStateReader	ArrayReaderImpl.nullStateReader()
NullStateReader	ReaderEvents.nullStateReader()
NullStateReader	UnionReaderImpl.nullStateReader()

Methods in org.apache.drill.exec.vector.accessor.reader with parameters of type NullStateReader

Modifier and Type	Method	Description
void	AbstractScalarReader.bindNullState(NullStateReader nullStateReader)
void	AbstractTupleReader.bindNullState(NullStateReader nullStateReader)
void	ArrayReaderImpl.bindNullState(NullStateReader nullStateReader)
void	ReaderEvents.bindNullState(NullStateReader nullStateReader)
void	UnionReaderImpl.bindNullState(NullStateReader nullStateReader)

Constructors in org.apache.drill.exec.vector.accessor.reader with parameters of type NullStateReader

Modifier	Constructor	Description
	MemberNullStateReader(NullStateReader unionNullState, NullStateReader memberNullState)