org.apache.iceberg.expressions

Class UnboundAggregate<T>

java.lang.Object

org.apache.iceberg.expressions.Aggregate<UnboundTerm<T>>

org.apache.iceberg.expressions.UnboundAggregate<T>

All Implemented Interfaces:

java.io.Serializable, Expression, Unbound<T,Expression>

public class UnboundAggregate<T>
extends Aggregate<UnboundTerm<T>>
implements Unbound<T,Expression>

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.iceberg.expressions.Expression

Expression.Operation

Method Summary

Modifier and Type	Method and Description
Expression	bind(Types.StructType struct, boolean caseSensitive) Bind this UnboundAggregate.
NamedReference<?>	ref() Returns this expression's underlying reference.

Methods inherited from class org.apache.iceberg.expressions.Aggregate

op, term, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.iceberg.expressions.Expression

isEquivalentTo, negate

Method Detail

ref

public NamedReference<?> ref()

Description copied from interface: Unbound

Returns this expression's underlying reference.

Specified by:

ref in interface Unbound<T,Expression>

bind

public Expression bind(Types.StructType struct,
                       boolean caseSensitive)

Bind this UnboundAggregate.

Specified by:

bind in interface Unbound<T,Expression>

Parameters:

struct - The struct type to resolve references by name.

caseSensitive - A boolean flag to control whether the bind should enforce case sensitivity.

Returns:

an Expression

Throws:

ValidationException - if literals do not match bound references, or if comparison on expression is invalid