public class UnresolvedFieldReference extends Attribute implements scala.Product, scala.Serializable
Constructor and Description |
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UnresolvedFieldReference(String name) |
Modifier and Type | Method and Description |
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abstract static boolean |
canEqual(Object that) |
static boolean |
checkEquals(Expression other) |
static scala.collection.immutable.Nil$ |
children() |
static boolean |
childrenValid() |
abstract static boolean |
equals(Object that) |
static boolean |
fastEquals(TreeNode<?> other) |
static A |
makeCopy(Object[] newArgs) |
String |
name() |
static A |
postOrderTransform(scala.PartialFunction<A,A> rule) |
static void |
preOrderVisit(scala.Function1<A,scala.runtime.BoxedUnit> f) |
abstract static int |
productArity() |
abstract static Object |
productElement(int n) |
static scala.collection.Iterator<Object> |
productIterator() |
static String |
productPrefix() |
TypeInformation<?> |
resultType()
Returns the
TypeInformation for evaluating this expression. |
static Attribute |
toAttribute() |
static org.apache.calcite.rex.RexNode |
toRexNode(org.apache.calcite.tools.RelBuilder relBuilder) |
String |
toString() |
static boolean |
valid() |
ValidationResult |
validateInput()
Check input data types, inputs number or other properties specified by this expression.
|
Attribute |
withName(String newName) |
toAttribute
children
checkEquals, childrenValid, toRexNode, valid
fastEquals, makeCopy, postOrderTransform, preOrderVisit
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
public UnresolvedFieldReference(String name)
public abstract static boolean canEqual(Object that)
public abstract static boolean equals(Object that)
public abstract static Object productElement(int n)
public abstract static int productArity()
public static scala.collection.Iterator<Object> productIterator()
public static String productPrefix()
public static boolean fastEquals(TreeNode<?> other)
public static A postOrderTransform(scala.PartialFunction<A,A> rule)
public static void preOrderVisit(scala.Function1<A,scala.runtime.BoxedUnit> f)
public static A makeCopy(Object[] newArgs)
public static boolean valid()
public static boolean childrenValid()
public static org.apache.calcite.rex.RexNode toRexNode(org.apache.calcite.tools.RelBuilder relBuilder)
public static boolean checkEquals(Expression other)
public static scala.collection.immutable.Nil$ children()
public static Attribute toAttribute()
public String name()
name
in interface NamedExpression
public TypeInformation<?> resultType()
Expression
TypeInformation
for evaluating this expression.
It is sometimes not available until the expression is valid.resultType
in class Expression
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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