Package com.apple.foundationdb.record.metadata.expressions

Interface KeyExpressionWithChild

All Superinterfaces:

KeyExpression, KeyExpressionWithChildren, PlanHashable, QueryHashable

All Known Implementing Classes:

CollateFunctionKeyExpression, CollateFunctionKeyExpressionFactoryJRE.CollateFunctionKeyExpressionJRE, FunctionKeyExpression, GroupingKeyExpression, KeyWithValueExpression, NestingKeyExpression

@API(MAINTAINED)
public interface KeyExpressionWithChild
extends KeyExpressionWithChildren

A KeyExpression with exactly one child expression.

Nested Class Summary

Nested classes/interfaces inherited from interface com.apple.foundationdb.record.metadata.expressions.KeyExpression

KeyExpression.DeserializationException, KeyExpression.FanType, KeyExpression.InvalidExpressionException, KeyExpression.InvalidResultException, KeyExpression.NoSuchArgumentException, KeyExpression.SerializationException

Nested classes/interfaces inherited from interface com.apple.foundationdb.record.PlanHashable

PlanHashable.PlanHashKind

Nested classes/interfaces inherited from interface com.apple.foundationdb.record.QueryHashable

QueryHashable.QueryHashKind

Method Summary

Modifier and Type	Method	Description
KeyExpression	getChild()
default List<KeyExpression>	getChildren()

Methods inherited from interface com.apple.foundationdb.record.metadata.expressions.KeyExpression

createsDuplicates, evaluate, evaluateMessage, evaluateSingleton, expand, getColumnSize, getSubKey, hasLosslessNormalization, hasProperInterfaces, hasRecordTypeKey, isPrefixKey, normalizeKeyForPositions, toKeyExpression, toProto, validate, versionColumns

Methods inherited from interface com.apple.foundationdb.record.PlanHashable

planHash, planHash

Methods inherited from interface com.apple.foundationdb.record.QueryHashable

queryHash

Method Detail

getChild

@Nonnull
KeyExpression getChild()

getChildren

@Nonnull
default List<KeyExpression> getChildren()

Specified by:

getChildren in interface KeyExpressionWithChildren