DataNucleus AccessPlatform 1.1 Release Notes

Bug fix to PersistenceManager proxy in multithreaded environments

Bug fix to interface mapping strategy "xcalia"

LDAP : Add support for enums

RDBMS : Bug fix to instanceof when handling possible subclasses

RDBMS : Bug fix to detection of discriminator when handling superclasses

Support minor changes to JDO2.3 API post 2.3-early-access

Bug fix to generic compilation of invoke expressions

Bug fix to use of "persistence.xml" in a path with spaces in it

Bug fix to JPA query repeated setting of the first postion

RDBMS : Bug fix to SchemaTool, broken in 1.1.4

RDBMS : Bug fix to querying when enum is null

RDBMS : Add support for persisting all date types as a String in a consistent way

RDBMS : Revision to nullability handling and joins

RDBMS : updates to very minor corner-case possibilities of connection leaks

Make the query cache pluggable, allowing use of external caching products

Add support for use of Memcache, javax.cache, and EHCache for the query cache

Addition of upfront checks on whether the datastore supports particular features so allowing quick fail

Bug fix to datastores which don’t provide non-transactional connections

Simplification of specification of L2 caching, for consistency with L1 cache and Query cache.

Improvement to classloading for RDBMS "requests" for use in OSGi containers

Change JPA default for discriminator value to use "class name" when no value specified.

Improvements to fallback process for persisting a type as a String

Add control over cascade delete of map keys, and minor change in default

Bug fix to JPQL "LOWER"/"UPPER" compilation

Bug fix to List.set() methods when using cascade delete

Respect JPA "fetch" setting on 1-1 relations

Support JPA "columnDefinition" in a minimalistic way

RDBMS : Change fetch process to allow fetching of related (1-1, N-1) objects in same SQL

RDBSM : Change to Oracle BLOB/CLOB handling to use new SQL API instead of legacy code.

XML : Bug fix to addition of elements to collection of persistent object

LDAP : Bug fix to JNDI connection pooling

LDAP : Support for persisting embedded elements as child entries

LDAP : Support for inheritance in relationships

Add support for REST API

Add support for Memcache and javax.cache (JSR107) L2 caches

Add support for choosing which JDOQL/JPQL implementation to use.

Generic compilation of bulk update statements

Support for generic compilation of JPQL "KEY", "VALUE", "ENTRY", "SIZE", "LIKE", "SUBSTRING", "LENGTH", "CONCAT", "TRIM", "LOWER", "UPPER", "LOCATE" keywords as well as fixes to compilation of "NOT BETWEEN", "JOIN FETCH" keywords

Fixes to generic compilation of JPQL "Object(a)", from clause

Fixes to input parameter handling for generic JPQL/JDOQL queries, including much improved type checking

Add support for allowing multiple JPA inheritance strategies in an inheritance tree (JPA extension).

Bug fix to replication for embedded-only classes

Bug fix to allow handling of multi-level generic annotations

Fix to detachAllOnCommit to mean we don’t have DN wrappers in detached objects so objects are ready for use in clients.

Fix to JPAReplicationManager for multiple objects

Fix to use of jtaDataSource for RESOURCE_LOCAL contexts

Support for JDO2.3 transaction locking semantics

Support for JPA2 @Cacheable

Bug fix for specification of generation strategy in orm.xml

Bug fix for PK join columns in orm.xml

JDOQL2 : Support for Oracle-specific mappings

Provision of alternative JPQL implementation for RDBMS "JPQL2"

JPQL2 : Support FROM clause join syntaxis

JPQL2 : Support case-insensitive identifiers

JPQL2 : Support for CURRENT_DATE, CURRENT_TIME, CURRENT_TIMESTAMP

JPQL2/JDOQL2 : Cater for input parameters with multiple PK fields

Support for dynamic schema updates for interface implementation in 1-N collections

Minor bug fixes to SchemaTool

Bug fix to the enhancer to close any file that was opened

Bug fix to the enhancer for classes with custom PKs using long fields

Upgrade to NeoDatis 1.9 final

Upgrade to Apache JDO 2.3 "early access" jar

Move to use of Geronimo "JPA1" jar for more flexible license

Improvements to fix issues in beforeCompletion/afterCompletion for JTA

Support for null values in HashMap

Generic query compiler support for implicit variables, method invocation on parameters

Generic query compiler support for JPQL "MEMBER OF", EXISTS, ALL, ANY, SUM, as well as resolution of entity names.

Generic query compiler support for JDOQL "ascending"/"descending" has been fixed

Bug fix to caching of generic query compilations to make thread safe.

JDO2.3 : Support for future ability to specify read object locking on transaction and on query

Level 2 cache : fixes to caching of Object[], Collection<Object>, as well as to ordered lists and the state of returned objects from the L2 cache

Managed Relations : support for delete of an object that is present in a collection

Support for backwards compatibility with column identifiers consistent with JPOX

Support for load of all classes below the root of a persistence-unit, and support for "exclude-unlisted-classes".

Fixes to allow correct enhancement of Scala classes

Fix support for JPA @Temporal, and complete support for TemporalType on Query API

Fix to JPA XML "generated-value" to handle case-sensitivity correctly

ODF : Support use of ORM files

LDAP : Support use of ORM files

Excel : Support use of ORM files

RDBMS : JDOQL2 - support for Collection.contains, Map.containsKey, Map.containsValue, Map.get, Map.containsEntry

RDBMS : JDOQL2 - support for cast, range, grouping, resultClass, new XXX()

RDBMS : JDOQL2 - ArrayLiteral/CollectionLiteral size, contains methods

RDBMS : JDOQL2 - support for String.equals(…​)

RDBMS : JDOQL2 - fixes to aggregate types, case and whether to use UNIONs

RDBMS : JDOQL2 - detection of whether a query can be precompiled, and mechanism to convert a parameter into its literal form when not precompilable

RDBMS : Fix DB2 schema generation NPE

RDBMS : Use of SERIAL8 in Informix for sequence

RDBMS : Ability to generate schema with multiple PMFs at the same time

RDBMS : Improvement to locking with Derby

RDBMS : Fix to indexed="true" for discriminator and version columns

XML : Fix to the retrieval of objects when the candidate has no "xpath" specified

Added support for generic compilation of long form of Math.XXX, JDOHelper.XXX

Added support for parameter.method, parameter.field syntaxis in generic queries

Improved in-memory evaluation of queries to skip candidates that fail sub-expressions due to impossible conditions (unimplemented features, or casts etc)

Bug fix to always put objects in the L2 cache after a query

Bug fix to class loading when user has supplied their own loader

Bug fix to JTA with JCA in afterCompletion (Guido Anzuoni)

Bug fix to execution of generically compiled queries with parameters so that subsequent invocations use the new parameter values

Bug fix to runtime enhancement and use of @Extension with JPA to avoid ClassCastException

Improvements to ordered lists to handle some operations that require indexed positions

Improvement to object-value-generator to cache the generators

Bug fix to JPA @Basic annotation allowing for tagging of custom type fields as persistent

RDBMS "JDOQL2" : Improved support for various String methods

RDBMS "JDOQL2" : Add support for Math.XXX, JDOHelper.XXX

RDBMS "JDOQL2" : Support for static class fields

RDBMS "JDOQL2" : Support chained method invocations

RDBMS "JDOQL2" : Bug fix to use of parameters when the statement involves unions

RDBMS "JDOQL2" : Support for input Extent

RDBMS "JDOQL2" : Support for enums

RDBMS : Rewrite all backing store "iterator" statements to use new SQL API

RDBMS : Separate all native (SQL) statements into their own log category

Add support for Java6+ enhancement during the compilation.

Add support for persistence to Open Document Format (ODF) spreadsheets.

Upgrade to NeoDatis 1.9RC1

Upgrade to latest JDO 2.3 snapshot including Metadata API

Add accessor for available query extensions

Support for in-memory evaluation of JDOQL/JPQL subqueries

Support for JDO2.3 Metadata API

Bug fix to allow registration of persistent classes when loaded by ClassLoader

Support for QueryResult toArray/subList

RDBMS : Make "request" operations pluggable allowing override of INSERT/UPDATE/DELETE etc

RDBMS : Replacement of field fetch process using new SQL API

RDBMS : Replacement of object locate process using new SQL API

RDBMS : Provision of potential replacement JDOQL implementation, using new SQL API

XML : Fix for fields marked transient to not be persisted

XML : Provide default XmlID/XmlIDREF based on relation metadata information

XML : Fix to implement fetch of fields

XML : Support for use of schema/table/column

XML : Bug fix for XmlIDREF for collection fields

LDAP : Support for hierarchical mapping of relations

LDAP : Support for wrappers of primitives

LDAP : Support for map/array/collection of Strings/primitives to multivalued LDAP components

Dropped support for BCEL enhancer

Upgrade to Apache POI 3.2

Upgrade to JDO 2.3 (snapshot)

New autostarter taking in metadata filenames

Support for pm.getObjectById(String) mimicking custom behaviour of Xcalia (for people migrating from Xcalia)

Support for JDO2 PersistenceManager proxy

Support for JPA2 @OrderColumn

RDBMS : Support for persisting interface/object fields using a single column. (for compatibility with Kodo/Xcalia, for people migrating from those implementations)

Support for JDO2.3 Enhancer API

LDAP : Support for native queries rather than performing all in-memory.

LDAP : Improvements to distinguishedName handling

Support for String.startsWith/endsWith/indexOf with parameter/primary expressions

Catch leading/trailing blanks in persistence properties

Support for OpenJPA/Kodo style datastore identity (for people migrating from Kodo)

Support for Xcalia style datastore identity (for people migrating from Xcalia)

Fix for unary minus in generic query mechanism

Remove enhancer "verify" mode since no longer used

Provide access to class bytes after enhancement via enhancer API

Fix to replication in some cases where object didnt exist in datastore 2

Fix to RDBMS large result "count" method to ignore ordering

Upgrade to ASM 3.1

Upgrade to db4o 7.4 java5

Upgrade to JDO2.2 final

Provide an API for datastore replication for JDO and JPA

Improvements to L2 caching to fix problems with objects being garbage collected and returning old version of objects

Fixes to how fields are marked as loaded

Fix to handling of collections with non-RDBMS datastores so they aren’t treated as serialised

Improvement to detach flag DETACH_UNLOAD_FIELDS to also remove the values from the object

Fix SQL syntax for non-ANSI joins (e.g Oracle 8i)

Remove support for NucleusSQL for RDBMS datastores

Support for sequences with H2 datastore

Extend RDBMS "update lock" to also apply to object existence check

Fix to handling of URLs with DB4O plugin

Fix to JPA handling of PostLoad callbacks

Fix to LDAP plugin so that the existence check doesnt retrieve any attributes

Fix to handling of XMLIdRef annotation with XML plugin

Moved to Java5+ requirement

Removal of Java5 plugin, and addition of JPA plugin

Support for JDO2.2 transaction isolation specification mechanism

Support for JPQL "<>" added to generic query compilation

Support for JDOQL "(cast)" added to generic query compilation

Support for JPQL bulk delete for db4o, NeoDatis, Excel, XML, LDAP and JSON datastores

Support db4o 7.0 or later only

Log any invalid/unsupported persistence properties

Remove support for NucleusSQL for RDBMS datastores

Performance improvement to Excel and XML datastores to not repeatedly open/close the datastore

When checking for RDBMS table existence use DatabaseMetaData.getTables for performance

Fix logging of initialisation of Derby datastores to remove logged exception

Fix logging of initialisation of RDBMS SEQUENCE_TABLE to remove logged exception

Fix bug in loading of unloaded fields to cater for corner case

Fix bug in persistence of 1-N bidir List using cascade delete

Fix available transaction isolation levels for HSQL, H2 datastores

Fix bug in DB4O and NeoDatis JDOQL handling of "{alias}.b" syntax

Fix bug in Extents with subclasses for Excel, XML, LDAP and JSON datastores

Fix bug in LDAP persistence of boolean fields