public class WindowReference extends Attribute implements scala.Product, scala.Serializable
Constructor and Description |
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WindowReference(String name) |
Modifier and Type | Method and Description |
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String |
name() |
TypeInformation<?> |
resultType()
Returns the
TypeInformation for evaluating this expression. |
org.apache.calcite.rex.RexNode |
toRexNode(org.apache.calcite.tools.RelBuilder relBuilder)
Convert Expression to its counterpart in Calcite, i.e.
|
Attribute |
withName(String newName) |
toAttribute
children
checkEquals, childrenValid, valid, validateInput
fastEquals, makeCopy, postOrderTransform, preOrderVisit
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public WindowReference(String name)
public String name()
name
in interface NamedExpression
public org.apache.calcite.rex.RexNode toRexNode(org.apache.calcite.tools.RelBuilder relBuilder)
Expression
toRexNode
in class Expression
public TypeInformation<?> resultType()
Expression
TypeInformation
for evaluating this expression.
It is sometimes not available until the expression is valid.resultType
in class Expression
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