public abstract class Ordering extends UnaryExpression
Constructor and Description |
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Ordering() |
Modifier and Type | Method and Description |
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ValidationResult |
validateInput()
Check input data types, inputs number or other properties specified by this expression.
|
child, children
checkEquals, childrenValid, resultType, toRexNode, valid
fastEquals, makeCopy, postOrderTransform, preOrderVisit
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public ValidationResult validateInput()
Expression
ValidationSuccess
if it pass the check,
or ValidationFailure
with supplement message explaining the error.
Note: we should only call this method until childrenValid == true
validateInput
in class Expression
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