public class AggFunctionCall extends Aggregation implements scala.Product, scala.Serializable
Constructor and Description |
---|
AggFunctionCall(AggregateFunction<?,?> aggregateFunction,
scala.collection.Seq<Expression> args) |
Modifier and Type | Method and Description |
---|---|
Object |
aggregateFunction() |
scala.collection.Seq<Expression> |
args() |
abstract static boolean |
canEqual(Object that) |
static boolean |
checkEquals(Expression other) |
scala.collection.Seq<Expression> |
children()
List of child nodes that should be considered when doing transformations.
|
static boolean |
childrenValid() |
abstract static boolean |
equals(Object that) |
static boolean |
fastEquals(TreeNode<?> other) |
AggSqlFunction |
getSqlAggFunction(org.apache.calcite.tools.RelBuilder relBuilder)
Returns the SqlAggFunction for this Aggregation.
|
static A |
makeCopy(Object[] newArgs) |
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. |
org.apache.calcite.tools.RelBuilder.AggCall |
toAggCall(String name,
org.apache.calcite.tools.RelBuilder relBuilder)
Convert Aggregate to its counterpart in Calcite, i.e.
|
org.apache.calcite.rex.RexNode |
toRexNode(org.apache.calcite.tools.RelBuilder relBuilder)
Convert Expression to its counterpart in Calcite, i.e.
|
String |
toString() |
static boolean |
valid() |
ValidationResult |
validateInput()
Check input data types, inputs number or other properties specified by this expression.
|
checkEquals, childrenValid, valid
fastEquals, makeCopy, postOrderTransform, preOrderVisit
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
public AggFunctionCall(AggregateFunction<?,?> aggregateFunction, scala.collection.Seq<Expression> args)
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 boolean checkEquals(Expression other)
public Object aggregateFunction()
public scala.collection.Seq<Expression> args()
public scala.collection.Seq<Expression> children()
TreeNode
children
in class TreeNode<Expression>
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
public String toString()
toString
in class Aggregation
public org.apache.calcite.tools.RelBuilder.AggCall toAggCall(String name, org.apache.calcite.tools.RelBuilder relBuilder)
Aggregation
toAggCall
in class Aggregation
name
- (undocumented)relBuilder
- (undocumented)public AggSqlFunction getSqlAggFunction(org.apache.calcite.tools.RelBuilder relBuilder)
Aggregation
getSqlAggFunction
in class Aggregation
relBuilder
- (undocumented)public org.apache.calcite.rex.RexNode toRexNode(org.apache.calcite.tools.RelBuilder relBuilder)
Expression
toRexNode
in class Aggregation
relBuilder
- (undocumented)Copyright © 2014–2018 The Apache Software Foundation. All rights reserved.