public abstract static class DoFnSignature.FieldAccessDeclaration
extends java.lang.Object
PCollection
has an
associated schema, to specify exactly which fields in the row are accessed. Any fields not
specified are not guaranteed to be present when reading the row.Constructor and Description |
---|
FieldAccessDeclaration() |
Modifier and Type | Method and Description |
---|---|
abstract java.lang.reflect.Field |
field() |
abstract java.lang.String |
id() |