public class WindowStart extends WindowProperty implements scala.Product, scala.Serializable
Constructor and Description |
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WindowStart(Expression child) |
Modifier and Type | Method and Description |
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Expression |
child() |
SqlTimeTypeInfo<Timestamp> |
resultType()
Returns the
TypeInformation for evaluating this expression. |
String |
toString() |
toNamedWindowProperty, toRexNode, validateInput
children
checkEquals, childrenValid, valid
fastEquals, makeCopy, postOrderTransform, preOrderVisit
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
public WindowStart(Expression child)
public Expression child()
child
in class UnaryExpression
public SqlTimeTypeInfo<Timestamp> resultType()
Expression
TypeInformation
for evaluating this expression.
It is sometimes not available until the expression is valid.resultType
in class Expression
public String toString()
toString
in class WindowProperty
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