Class UniqueKeyLookup

java.lang.Object

com.kingsrook.qqq.backend.core.actions.tables.helpers.UniqueKeyLookup

public class UniqueKeyLookup
extends Object

Internal native key material for write validation. These results must never replace ordinary read/access checks or enter write patches and public outputs.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	UniqueKeyLookup.Input	Privately constructed, schema-owned lookup shapes only.

Constructor Summary

Constructors

Constructor	Description
UniqueKeyLookup()

Method Summary

Modifier and Type	Method	Description
static List<QRecord>	findConflicts(QTableMetaData activeTable, UniqueKey declaredKey, QRecord candidate, QBackendTransaction transaction)	Keep all native matches associated with this one declared key predicate.
static List<QRecord>	readStoredComponents(QTableMetaData activeTable, List<Serializable> typedPrimaryKeys, QBackendTransaction transaction)	Fetch only declared key components for exact typed target primary keys.

Methods inherited from class java.lang.Object

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

Constructor Details

UniqueKeyLookup

public UniqueKeyLookup()

Method Details

readStoredComponents

public static List<QRecord> readStoredComponents(QTableMetaData activeTable,
 List<Serializable> typedPrimaryKeys,
 QBackendTransaction transaction)
                                          throws QException

Fetch only declared key components for exact typed target primary keys.

Throws:

QException

findConflicts

public static List<QRecord> findConflicts(QTableMetaData activeTable,
 UniqueKey declaredKey,
 QRecord candidate,
 QBackendTransaction transaction)
                                   throws QException

Keep all native matches associated with this one declared key predicate. A null component is distinct, matching the existing INSERT contract.

Throws:

QException