Package org.apache.iceberg.expressions

Interface Summary

Interface	Description
Bound<T>	Represents a bound value expression.
BoundTerm<T>	Represents a bound term.
Expression	Represents a boolean expression tree.
Literal<T>	Represents a literal fixed value in an expression predicate
Reference<T>	Represents a variable reference in an expression.
Term	An expression that evaluates to a value.
Unbound<T,B>	Represents an unbound expression node.
UnboundTerm<T>	Represents an unbound term.

Class Summary

Class	Description
Aggregate<C extends Term>	The aggregate functions that can be pushed and evaluated in Iceberg.
AggregateEvaluator	A class for evaluating aggregates.
And
Binder	Rewrites expressions by replacing unbound named references with references to fields in a struct schema.
BoundAggregate<T,C>
BoundLiteralPredicate<T>
BoundPredicate<T>
BoundReference<T>
BoundSetPredicate<T>
BoundTransform<S,T>	A transform expression.
BoundUnaryPredicate<T>
CountAggregate<T>
CountNonNull<T>
CountStar<T>
Evaluator	Evaluates an Expression for data described by a Types.StructType.
ExpressionParser
Expressions	Factory methods for creating expressions.
ExpressionUtil	Expression utility methods.
ExpressionVisitors	Utils for traversing expressions.
ExpressionVisitors.BoundExpressionVisitor<R>
ExpressionVisitors.BoundVisitor<R>
ExpressionVisitors.CustomOrderExpressionVisitor<R>
ExpressionVisitors.ExpressionVisitor<R>
False	An expression that is always false.
InclusiveMetricsEvaluator	Evaluates an Expression on a DataFile to test whether rows in the file may match.
ManifestEvaluator	Evaluates an Expression on a ManifestFile to test whether the file contains matching partitions.
MaxAggregate<T>
MinAggregate<T>
NamedReference<T>
Not
Or
Predicate<T,C extends Term>
Projections	Utils to project expressions on rows to expressions on partitions.
Projections.ProjectionEvaluator	A class that projects expressions for a table's data rows into expressions on the table's partition values, for a table's partition spec.
ResidualEvaluator	Finds the residuals for an Expression the partitions in the given PartitionSpec.
StrictMetricsEvaluator	Evaluates an Expression on a DataFile to test whether all rows in the file match.
True	An expression that is always true.
UnboundAggregate<T>
UnboundPredicate<T>
UnboundTransform<S,T>
Zorder

Enum Summary

Enum	Description
Expression.Operation