DataNucleus AccessPlatform 6.0 Release Notes

datanucleus-core-502 - Replace hard-coded property String with PropertyNames constants

datanucleus-core-503 - Replace hardcode string with PropertyNames constant

datanucleus-core-504 - Better extendability.

datanucleus-core-505 - Added extension-point for LockManager. Added option for specifying max value for version-number when using version-number strategy with optimistic locking.

datanucleus-core-506 - Added new L2 Cache update mode: datastore-read-only. With this mode L2 cache is only updated on datastre-read and NOT at commit. A custom commit listener can be made to control L2 cache population during commit if required.

datanucleus-core-507 - Added options for better controlling the flush process.

datanucleus-core-508 -Improvements to ExecutionContext.findObject and Level 1 cache handling.

datanucleus-core-509 - Added option for having custom cache implementation for ExecutionContextImpl.enlistedSMCache. Also added performance accessor for value-set of this cache.

datanucleus-api-jdo-128 - Improved optimistic-lock exception handling on commit.

datanucleus-rdbms-485 - Enabled nullable application identity fields for RDBMS engine (not for schema generation) to allow for mapping on to legacy schemas without primary key

datanucleus-rdbms-486 - Added option for supplying custom FlushProcess. Also improved support for SQL batching inserts/updates/deletes combined with optimistic lock handling.

datanucleus-rdbms-487 - Added RDBMS extension for member to specify that updates to member should not trigger version update when using optimistic locking.

datanucleus-core-500 - Bulk fetch of empty collections can cause ClassCastException when calling setter with a different collection implementation

datanucleus-core-495 - Upgrade ASM to v9.5

datanucleus-core-496 - Performance optimization

datanucleus-core-497 - Making it easier to extend StateManagerImpl

datanucleus-core-498 - Get URL to the manifest file if plugin URL starts with 'bundle'

datanucleus-core-499 - Upgrade ASM to v9.6

datanucleus-rdbms-477 - Added option to allow implementing custom discriminator with DiscriminatorDefiner metadata option

datanucleus-rdbms-478 - PostgreSQLAdapter : change default IsolationForSchemaCreation to READ_COMMITTED

datanucleus-rdbms-481 - Making it easier to extend JoinSetStore in custom code.

datanucleus-rdbms-483 - Provide registerMbeans HikariCP options

datanucleus-rdbms-479 - Issue #470 doesn’t allow for discriminatorColumnName not being in different case

datanucleus-rdbms-480 - Fixes for querying M-1 UNI directional with join table mappings (and setting them)

datanucleus-core-488 - Enabled using java logger - even if Log4j is present

datanucleus-rdbms-468 - Support ConnectionInitSQL with HikariCP

datanucleus-rdbms-471 - Enabled builtin DBCP connection pool to act on auto-commit and max-lifetime

datanucleus-core-485 - TypeConversion for boolean not working with Oracle

datanucleus-core-490 - Fixed having single field of abstract type using recursion depth 0

datanucleus-rdbms-470 - Fixed problem in handling of DB column mapped into multiple fields

datanucleus-rdbms-475 - Fixed SQL query leak resulting in OutOfMemory

datanucleus-rdbms-476 - Fixed having single field of abstract type using recursion depth 0

datanucleus-rdbms-462 - Support bulk-fetch on a Collection when field is empty

datanucleus-rdbms-463 - Improved support for the SQL XML type.

datanucleus-core-484 - Fix warning log line in ColumnMetaData

datanucleus-rdbms-457 - ResultClassROF can fail to set fields/properties when JDBC driver returns unassignable type

datanucleus-rdbms-459 - datanucleus.query.jdoql.{varName}.join extension does not work when "varName" is not lower case

datanucleus-geospatial-17 - Fixed OSGi issues which prevents bundle from starting

datanucleus-jodatime-4 - Fixed OSGi issues which prevents bundle from starting

datanucleus-core-482 - Support Java 20

datanucleus-rdbms-456 - PostgreSQL: Use BIGSERIAL when identity column is mapped to BIGINT

datanucleus-rdbms-452 - NullPointerException in ResultClassROF.getObject() in 6.0.2

datanucleus-rdbms-454 - Missing argType cache in ResultClassROF

datanucleus-core-478 - Improve thread safety of statistics

datanucleus-rdbms-451 - Remove column mapping to JDBC type FLOAT for SQL Server

datanucleus-core-479 - Closing PersistenceManager can cause deadlocks when datanucleus.multithreaded=true

datanucleus-rdbms-447 - Fix illegal precision spec for MySQL TINYTEXT

datanucleus-rdbms-448 - Support TINYBLOB on MySQL/MariaDB without size specifier, as per TINYTEXT

datanucleus-rdbms-449 - Fix incomplete fix for #444

datanucleus-rdbms-450 - Search of setter function in ResultClassROF.getObject() is broken

datanucleus-jdo-query-19 - Support generics on Optional field in generated class

datanucleus-rdbms-444 - Regression with SQL Server caused by #408

datanucleus-core-470 - Drop XMLAutoStarter, deprecated in 6.0.0.m5

datanucleus-core-473 - Refactor DNStateManager.unloadField to take in field number

datanucleus-core-475 - Rationalise enums for query language

datanucleus-core-474 - IllegalMonitorStateException being thrown during lock release when datanucleus.multithreaded=true

datanucleus-rdbms-443 - Handling of insert audit attributes (user, timestamp) is incorrect when specified on a field

datanucleus-core-446 - Support Jakarta LOCAL_DATE, LOCAL_TIME, LOCAL_DATETIME

datanucleus-core-447 - Upgrade ASM to v9.3

datanucleus-core-448 - Support POWER, ROUND function evaluation for in-memory queries

datanucleus-core-449 - Support ATAN2 function evaluation for in-memory queries

datanucleus-core-450 - Support COT function evaluation for in-memory queries

datanucleus-core-451 - Support COSH, SINH, TANH function evaluation for in-memory queries

datanucleus-core-457 - Remove many toLowerCase in properties/extension handling for efficiency

datanucleus-core-458 - ClassUtils.newInstance has a constructor cache, but the benefit is dubious

datanucleus-core-460 - Move all SCO wrapper creation to SCOUtils

datanucleus-core-461 - Drop use of org.datanucleus.util.MultiMap, use Java standard classes for same benefit

datanucleus-core-462 - Change logging default to Log4J v2, and allow use of NullLogger

datanucleus-core-463 - Add property to permit updating all candidate fields on query result processing

datanucleus-core-464 - Add ability to treat java.util.Date (and java.sql.Date, Time, Timestamp) as non-mutable

datanucleus-core-467 - Support recursion-depth=0 on DFG fields

datanucleus-core-468 - Remove support for fetch-fk-only

datanucleus-core-469 - Deprecate XMLAutoStarter

datanucleus-api-jdo-123 - Support JDO XSD/DTD file at https://db.apache.org/jdo/xmlns/

datanucleus-api-jdo-126 - Add convenience method to return the fields of a class that are in the current FetchPlan

datanucleus-api-jakarta-9 - Support jakarta-315

datanucleus-api-jakarta-10 - Support ln, power, sign, round, floor, ceiling for jakarta-171, jakarta-351

datanucleus-api-jakarta-11 - Support localDate, localTime, localDateTime on CriteriaBuilder

datanucleus-rdbms-423 - Support Jakarta LOCAL_DATE, LOCAL_TIME, LOCAL_DATETIME

datanucleus-rdbms-424 - Support SIGN SQL function

datanucleus-rdbms-425 - Support ATAN2 SQL function

datanucleus-rdbms-426 - Support COT SQL function

datanucleus-rdbms-427 - Support COSH, SINH, TANH SQL functions

datanucleus-rdbms-430 - SQLite v3.30.0 adds support for ORDER BY …​ NULLS FIRST|LAST

datanucleus-rdbms-432 - Use of Calendar for timezone handling in result set interfacing is creating clones maybe unnecesarily

datanucleus-rdbms-434 - Support "PARTITIONED TABLE" table type from DatabaseMetadata

datanucleus-rdbms-436 - Support updating of all candidate fields when processing query results

datanucleus-rdbms-439 - Expand fetch-fk-only to only automatically apply if recursionDepth is not set from default.

datanucleus-rdbms-441 - Remove support for fetch-fk-only

datanucleus-core-453 - Don’t L2 cache a field that is a DN Collection instance

datanucleus-core-454 - Compound identity with embedded persistable creates StateManager that is not embedded

datanucleus-core-456 - Support QueryResultCache "none" setting

datanucleus-core-465 - FetchPlanForClass.getRecursionDepthForMember doesn’t take in to account dynamically defined groups

datanucleus-rdbms-431 - datanucleus.query.useFetchPlan is seemingly not working

datanucleus-rdbms-438 - Update PR #375 so that it gets the identifier name not the column name

datanucleus-core-29 - Provide ability for store plugins to load references of related objects and cache them in the ExecutionContext (to save later fetch)

datanucleus-core-420 - Ignore persistence properties of form "datanucleus.schema.generateXXX" when using SchemaTool

datanucleus-core-430 - Move AutoStartMechanism helper code to org.datanucleus.store.autostart package

datanucleus-core-431 - Metadata : provide fast lookup of different type of member

datanucleus-core-432 - Move RDBMSStoreManager getCatalogName, getSchemaName to StoreManager

datanucleus-core-434 - Remove Lock object from StateManagerImpl

datanucleus-core-435 - EmbeddedMetaData : drop memberMetaData and just use members

datanucleus-core-436 - Drop datanucleus.jmxType of "default" (use "platform" instead)

datanucleus-core-437 - Offload StateManagerImpl savedPC, savedLoadedFields, savedPersistenceFlags into separate object

datanucleus-core-438 - Change StateManager for embedded cases to only allow one "owner"

datanucleus-core-439 - Offload StateManagerImpl "activity" into flags bits

datanucleus-core-440 - Load of 1-N BIDIR collection should store owner in StateManager of each element if owner field isn’t loaded by default.

datanucleus-core-441 - Backed SCO Collection wrappers can avoid datastore call on remove(element) if not in the cached collection

datanucleus-core-443 - L2 cache is not updated when stored field is instantiated or when not already present

datanucleus-core-444 - Avoid embedded objects being put in L1 cache

datanucleus-core-445 - Change embedded object handling to ignore lifecycle, since managed by owner object

datanucleus-rdbms-370 - Provide mechanism for 1-1 owned / N-1 FK relation to be marked to fetch the "PK" only and not instantiate (when not in FetchPlan)

datanucleus-rdbms-407 - Table lookups in DatabaseMetaData only use catalog/schema if user-defined but should take default for the database

datanucleus-rdbms-408 - Support H2 v2

datanucleus-rdbms-410 - Change "fetch-fk-only" member extension to equate to recursion-depth=0 feature

datanucleus-rdbms-411 - adds support for google cloud spanner

datanucleus-rdbms-412 - Change JavaTypeMapping getObject/setObject signature for embedded cases

datanucleus-rdbms-413 - Change List backing store code for indexed list to shift in bulk (single statement)

datanucleus-rdbms-416 - ListStore.removeAll() is inefficient for indexed list, should do single "nulling" of list indexes and minimal reorders

datanucleus-rdbms-417 - Fetch of relation at one side of 1-1 bi relation should store the id of the related object in the other side StateManager

datanucleus-rdbms-418 - Allow auto-fetch of (unselected) FK fields in fetch request

datanucleus-rdbms-420 - Provide fallback JDBC type=NUMERIC when MySQL doesnt provide for it

datanucleus-core-27 - Update of embedded when using pessimistic txns can result in problem in dirty field handling

datanucleus-rdbms-406 - Updated the default for the DatastoreId.class definition; it should be a BigInt by default, from 5.2

datanucleus-rdbms-409 - Specification of column name in <primary-key> block doesnt use identifier case in checks

datanucleus-core-403 - Add retrieveObjects() method to allow for bulk retrieve when objects of same type

datanucleus-core-404 - Add StoreManager.isClosed method

datanucleus-core-407 - Change Multitenancy to be (explicit) class-specified, and not global-specified

datanucleus-core-408 - Mutitenancy tenant an tenant read ids Karnaugh table

datanucleus-core-409 - Add Multitenancy info as MultitenancyMetaData rather than just extensions

datanucleus-core-410 - Add SoftDelete info as SoftDeleteMetaData rather than just extensions

datanucleus-core-411 - Refactor IdentityMetaData to DatastoreIdentityMetaData

datanucleus-core-413 - Implement cascade-detach=false

datanucleus-core-414 - Change "cascade-update" to be "cascade-attach" since it represents JPA CascadeType.MERGE

datanucleus-core-417 - Drop deprecated "enum-getter-by-value", replaced by "enum-value-getter"

datanucleus-core-418 - Migrate "ObjectProvider" to "StateManager"

datanucleus-core-419 - Refactor org.datanucleus.store.types.XXXHandler/Adapter to org.datanucleus.store.types.container

datanucleus-api-jdo-119 - Use ExecutionContext.retrieveObjects() method to allow for future optimisation

datanucleus-api-jdo-120 - Extend @MultiTenant to permit allowNulls etc to be defined

datanucleus-api-jdo-121 - Extend @SoftDelete to permit allowNulls etc to be defined

datanucleus-api-jdo-122 - Refactor org.datanucleus.api.jdo.metadata.XXXMetadataImpl to org.datanucleus.api.jdo.metadata.api

datanucleus-rdbms-399 - Update Map store handling to make use new putAll() method, and to grab entrySet when current map unknown

datanucleus-rdbms-401 - Delete of owner of 1-1 uni FK relation (not dependent field) can load the related object but needn’t

datanucleus-rdbms-403 - Rename query extension "datanucleus.forUpdateNowait" to "datanucleus.query.forUpdateNowait"

datanucleus-rdbms-404 - Rename query extension "datanucleus.useIsNullWhenEqualsNullParameter" to "datanucleus.query.useIsNullWhenEqualsNullParameter"

datanucleus-mongodb-55 - Load of object doesnt check for tenantId when running multitenancy

datanucleus-mongodb-60 - Move to mongodb-driver-legacy v4.3.1

datanucleus-mongodb-61 - Add support for SoftDelete so that a delete just sets the flag rather than deleting

datanucleus-cassandra-38 - Support Cassandra v4

datanucleus-cassandra-40 - Support persistence of java.time types

datanucleus-cassandra-41 - Support SoftDelete lifecycle of operations

datanucleus-cassandra-42 - Support querying of multitenancy / softdelete candidate classes

datanucleus-excel-22 - Upgrade to POI v5.0.0

datanucleus-geospatial-15 - Change constructor arg for SpatialHelper to RDBMSStoreManager since only for RDBMS

datanucleus-core-401 - DateStringConverter fails on Java11

datanucleus-core-402 - CalendarStringConverter fails on Java11

datanucleus-core-405 - Mutation of SCO field before load of old value can result in incorrect datastore contents

datanucleus-core-416 - Fix IS EMPTY clause for JPQL queries

datanucleus-mongodb-59 - Load of object doesnt check for tenantId when running multitenancy

datanucleus-cassandra-39 - CassandraQueryResult behaves incorrectly wrt fetchSize

datanucleus-core-370 - Support jpa-spec-297

datanucleus-core-386 - Rename YYYMetaDataHandler to YYYXmlHandler

datanucleus-core-387 - Refactor TransactionImpl, JTATransactionImpl, JTAJCATransactionImpl to org.datanucleus.transaction

datanucleus-core-388 - Drop ClassUtils.convertValue and use TypeConversionHelper.convertTo

datanucleus-core-389 - Add assorted additional conversions for java.time to TypeConversionHelper.convertTo

datanucleus-core-390 - Refactor TypeConversionHelper to org.datanucleus.store.types.converters

datanucleus-core-391 - Allow disabling L1 cache on PM/EM

datanucleus-core-392 - Refactor org.datanucleus.store.*Extent to org.datanucleus.store.query

datanucleus-core-394 - Drop Column extension "index". Was replaced by "position" many years ago

datanucleus-core-395 - NamingFactory : cater for table name specified as "catalog.schema.name"

datanucleus-core-400 - Add MapStore method for the case where we are doing a put() and know the old value (due to caching)

datanucleus-api-jdo-113 - Replace NucleusJDOHelper with DataNucleusHelperJDO

datanucleus-api-jdo-114 - Support core-386

datanucleus-api-jdo-115 - Support core-387

datanucleus-api-jdo-116 - Support annotations for InstanceCallback methods

datanucleus-api-jdo-117 - Support @Version on field/property in extension to JDO API

datanucleus-api-jpa-125 - Replace NucleusJPAHelper with DataNucleusHelperJPA

datanucleus-api-jpa-126 - Support core-386

datanucleus-api-jpa-127 - Support core-387

datanucleus-api-jpa-128 - Support DISTINCT aggregates in CriteriaBuilder (javax.persistence 2.2.4+)

datanucleus-api-jpa-130 - Drop JPQLHelper and use JPQLQueryHelper

datanucleus-api-jpa-131 - Support @Index.columnList potential use of ASC|DESC

datanucleus-api-jpa-132 - Support @MapKeyJoinColumns

datanucleus-api-jakarta-2 - Replace NucleusJakartaHelper with DataNucleusHelperJakarta

datanucleus-api-jakarta-3 - Support core-386

datanucleus-api-jakarta-4 - Support core-387

datanucleus-api-jakarta-5 - Support DISTINCT aggregates in CriteriaBuilder (jakarta.persistence 3.0.1+)

datanucleus-api-jakarta-7 - Support @Index.columnList potential use of ASC|DESC

datanucleus-api-jakarta-8 - Support @MapKeyJoinColumns

datanucleus-rdbms-365 - Move "insertPostProcessing" from MappingCallbacks to own interface, also for updates

datanucleus-rdbms-386 - Determination of how to set fields of ResultClass should be performed once only

datanucleus-rdbms-387 - Support creator expression with parameters having aliases

datanucleus-rdbms-388 - Move support for CREATE INDEX use of ASC|DESC on columns to DatastoreAdapter option

datanucleus-rdbms-389 - Change PrimaryKey to inherit direct from Key

datanucleus-rdbms-390 - Remove "properties" from DatastoreAdapter and use from StoreManager

datanucleus-rdbms-391 - Change datanucleus.rdbms.statementLogging default to JDBC

datanucleus-rdbms-394 - JoinMapStore internalPut and internalUpdate don’t use batching but should allow it

datanucleus-rdbms-396 - Move handling of embedded keys/values to JoinMapStore from AbstractMapStore/FKMapStore

datanucleus-rdbms-397 - Make use of MapStore.put(ObjectProvider op, K key, V value, V previousValue, boolean present) with join map cases

datanucleus-rdbms-398 - Provide simple implementation of JoinMapStore.putAll(ObjectProvider, Map, Map)

datanucleus-mongodb-58 - Implement MongoClientUrl to handle parsing of values from Connection URL

datanucleus-cassandra-37 - Change "cassandra.XXX.using" properties to "datanucleus.cassandra.XXX.using"

datanucleus-core-393 - Query with result class can give StackOverflow if result has a column not in result class

datanucleus-core-398 - Mutation of SCO field before load of old value can result in incorrect datastore contents

datanucleus-rdbms-379 - Bulk Delete with multiple joins fails with null pointer exception

datanucleus-rdbms-381 - NCharColumnMapping getObject/setObject are inconsistent with CharColumnMapping

datanucleus-rdbms-382 - Use of AVG(DISTINCT …​) with e.g H2 can create invalid SQL

datanucleus-core-359 - Move to ASM v9.1

datanucleus-core-367 - MX4J jar packages up javax.management so unusable under Java 9+

datanucleus-core-371 - Add validators for datanucleus.generateSchema.create.order, datanucleus.generateSchema.drop.order

datanucleus-core-373 - Support loading a schema script from the CLASSPATH

datanucleus-core-374 - Integrate the various schema generation persistence properties

datanucleus-core-375 - Support JPQL function "EXTRACT" and map to underlying datastore functions

datanucleus-core-377 - Add ability to print api-specific ClassMetaData out

datanucleus-core-380 - Refactor org.datanucleus.query to org.datanucleus.store.query

datanucleus-core-382 - Rationalise all log messages when referring to object to use IdentityUtils "PersistableIdentity"

datanucleus-core-383 - Add ApiAdapter method to abstract some metadata default handling

datanucleus-core-384 - Support persistence.xml v3.0

datanucleus-core-385 - Add enhancer API "Jakarta"

datanucleus-api-jdo-109 - Specifying @Convert doesn’t default to making a field persistent

datanucleus-api-jdo-110 - Support core-377

datanucleus-api-jdo-112 - Abstract 2 metadata handlings to ApiAdapter

datanucleus-api-jpa-122 - Support core-377

datanucleus-api-jpa-123 - Support core-374

datanucleus-api-jpa-124 - Abstract 2 metadata handlings to ApiAdapter

datanucleus-api-jakarta-1 - Initial support for Jakarta Persistence 3.0+

datanucleus-jakarta-query-1 - Initial support for Jakarta Persistence Criteria

datanucleus-rdbms-377 - Support alternate method of retrieving generated keys using column names with application identity

datanucleus-core-53 - Reachability algorith should transition from P NEW to TRANSIENT if object is no longer reachable

datanucleus-core-363 - GenerateSchema mode leaves autoCreate/validate turned on

datanucleus-core-378 - Prevent non-transactional recursive calls to ManagedConnection.close()