public class Null extends LeafExpression implements scala.Product, scala.Serializable
Constructor and Description |
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Null(TypeInformation<?> resultType) |
Modifier and Type | Method and Description |
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Object |
resultType() |
org.apache.calcite.rex.RexNode |
toRexNode(org.apache.calcite.tools.RelBuilder relBuilder)
Convert Expression to its counterpart in Calcite, i.e.
|
String |
toString() |
children
checkEquals, childrenValid, valid, validateInput
fastEquals, makeCopy, postOrderTransform, preOrderVisit
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
public Null(TypeInformation<?> resultType)
public Object resultType()
public org.apache.calcite.rex.RexNode toRexNode(org.apache.calcite.tools.RelBuilder relBuilder)
Expression
toRexNode
in class Expression
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