@Evolving public interface Transform extends Expression
For example, the transform date(ts) is used to derive a date value from a timestamp column. The transform name is "date" and its argument is a reference to the "ts" column.
Modifier and Type | Method and Description |
---|---|
Expression[] |
arguments()
Returns the arguments passed to the transform function.
|
String |
name()
Returns the transform function name.
|
NamedReference[] |
references()
Returns all field references in the transform arguments.
|
describe
String name()
NamedReference[] references()
Expression[] arguments()