Hibernate Changelog =================== Changes in version 2.1.4 (2.6.2004) ------------------------------------ * improved Session serialization support by adding ability to serialize unflushed sessions (Steve Ebersole) * fixed Session.clear functionality to clear the internal nonExists cache (Steve Ebersole) * added "dynamic instantiation" (i.e., select new foo() ...) support to ScrollableResultsImpl and IteratorImpl (Steve Ebersole) * added support for multi-parameter SQL functions (Steve Ebersole) * fixed hbm2ddl generating infinite indexes on MySQL (Michael Gloegl) * fixed alias precedence in HQL queries, function names are second (Steve Ebersole) * added "transactional" as allowed cache concurrency strategy in XML configuration file * improved System.getProperties() with security exception warning in secure environments * improved Proxool integration, better property handling * fixed problem with use of getDefinedMethod() in secure environments (Ken Arnold) * fixed bug in createSQLQuery() which prohibited multiple aliases for the same entity (Max Andersen) * fixed query cache misses when using named bind parameters (Michael Greer) * recognize "left" and "right as keywords in SQL fragments * recognize SQL quoted identifiers in SQL fragments * improved identity handling on SQL Server by using scope_identity() for update counts (Arthur Fitt) * added DB2390Dialect for DB2/390 databases (Kristoffer Dyrkorn) * fixed a bug in toArray() of identifier bag collections (Khachchou Mohammed) * fixed a problem with DDL generation for serial columns in Informix * fixed a problem with DDL generation for timestamp columns in Informix (Michael Schmidt) * fixed a NPE that occurred calling saveOrUpdateCopy() for components * fixed a bug with replicate() and uninitialized collections * fixed a bug caching one-to-one associations * fixed eviction from named query cache regions Changes in version 2.1.3 (25.4.2004) ----------------------------------- * added SELECT-clause SQL function support to main Dialects * fixed a problem where some unnecessary selects where issued for optional one-to-one associations * fixed a bug in SQL generation for criteria queries with multiple one-to-many joins * deprecated everything related to PersistentEnum * fixed an NPE that occurred when using with composite ids * fixed a problem with JCA adaptor on WebLogic (Michael Gloegl) * improved behavior when removing elements from s * fixed a bug in getGeneratedKeys() support (Michael Gloegl, Kevin Day) * fixed a bug when using Criteria queries with collections of joined-subclasses * fixed an NPE that occurred when calling comparator() on a lazy sorted set (Attila Szegedi) * fixed a bug when using setMaxResults() with native SQL queries in some Dialects * validate that composite id classes override hashCode() (Adrien) * fixed some minor problems with saveOrUpdateCopy() * fixed some problems in OSCache provider * fixed an NPE that occurred when calling a lazy collection after evicting from session * fixed an NPE that occurred when select-before-update is used with unversioned data (Patrick Peralta) * fixed a bug where dynamic-components could not be queried (Massimo Ferrari) * SQL formula parser now recognizes all Dialect-specific SQL functions (Anthony Patricio) * fixed a problem where SQL CASE statements could not appear in SQL formulas * fixed a problem where subselects with joins could not appear in SQL formulas * C3P0 and Proxool pools now cleaned up after SessionFactory.close() * fixed a bug where dirty checking of mutable properties was broken after lock() * fixed a minor bug where orphan delete was broken for newly saved instances * added Query.setFetchSize() and Criteria.setFetchSize() * PreparedStatement pooling in DBCPConnectionProvider can now be disabled (Emmanuel Bernard) * Query.setProperties(Object) now detects array and collection valued properties and delegates to Query.setParameterList() (Max Andersen, Nick Heudecker) * lengths of positional parameters and types arrays are now validated * fixed an obscure problem where a PreparedStatement was not closed Changes in version 2.1.2 (4.2.2004) ----------------------------------- * added Session.isDirty() * fixed a very obscure concurrency problem with read-write cache for inverse collections * deprecated Criteria.returnMaps() / Criteria.returnRootEntities() in favor of new ResultTransformer framework * don't cache objects with dynamic-update="true" or mappings immediately after insert/update * added version checking to saveOrUpdateCopy() * fixed constraint violations that occurred when mixing identity columns with other id generation strategies * added Sybase 11.9.2 dialect to support older versions of Sybase that do not support ANSI joins (Colm O' Flaherty) * added Informix9Dialect (Finn McCann and Max Andersen) * added DB2400Dialect (Peter DeGregorio) * fixed a problem where mapping validation failure was reported as duplicate import (Michael Gloegl) * fixed a problem with Expression.not() in MySQL (Michael Gloegl) * added support for ResultSet.getGeneratedKeys() (David Morris, John Kristian) * added check attribute to allow check constraints in DDL * implicit polymorphism for Criteria queries (Shorn Tolley) * use IF EXISTS for dropping hilo tables (Michael Gloegl) * better exception report if deleted object is resaved by cascade * support nested components in Example queries (Emmanuel Bernard) * fixed a minor problem with onDelete() callbacks * fixed an obscure problem with select-before-update * added SunONETransactionManagerLookup (Robert Davidson) * fixed a problem with replicate() and mappings * made setParameterList() accept empty lists and deny null values (Max Andersen) * validation check on query parameters now allows setParameter(x, null) (Max Andersen) * added default-access to DTD (Max Andersen) * made Query.setParameterList() accept empty lists and deny null values (Max Andersen) * allow Query.setParameter(x, null) (Max Andersen) * queries with "select new" now cacheable * throw meaningful exception when lazy initialization occurs on disconnected session * added default-access to (Max Andersen) * added -text support to SchemaUpdate (Max Andersen, Matt Hall) * fixed broken implementation of embedded composite keys with createSQLQuery() (Max Andersen) * added hibernate.cache.use_minimal_puts config property to reduce unnecessary second-level cache puts * optimized performance of orphan delete detection (Bertrand Renuart) * fixed problem where unnecessary UPDATE occurred after INSERT for versioned objects with collections * WebSphereTransactionManagerLookup for WAS 5.1 (Edina Pimp) * Criteria queries now cacheable (Mario Ivankovits) * fixed problem with ordered, paginated queries in DB2 (Tim Collins) * fixed a bug caching s * lazy="true" collections are now lazy even when available in cache * fixed a problem with version unsaved-value="negative" * added hibernate.cache.region_prefix config property (William Drai) * fixed problem where configuration input streams were not closed (Rajesh Patel) Changes in version 2.1.1 (17.12.2003) ------------------------------------- * added optional package attribute to * added element to allow simpler mapping * native SQL queries are now cacheable - added element to allow correct result set expiry * fixed a bug in CGLIB2 integration (Chris Nockleberg) * added NamingStrategy * don't cache objects with formula properties immediately after insert/update * log generated SQL to a special category * type of property with access="field" may now be guessed using reflection Changes in version 2.1 final (12.12.2003) ----------------------------------------- * fixed a problem with CGLIB2 proxies and method calls inside constructors * fixed a bug running SchemaExportTask with mappings in jar files (Tom McCune) * allow custom persister declaration for subclasses (Nick Johnson) * fixed handling of sequences in SchemaUpdate on Oracle (Andrew Delpha) * fixed a bug where Iterator did not handle single null values correctly * detect and throw exception in the case of a duplicate property mapping * don't auto-create indexes for collection foreign keys (roll back to 2.0.x) Changes in version 2.1 rc1 (29.11.2003) --------------------------------------- * long identifier and discriminator column names are now safely aliased (Max Andersen) * cleaned up mapping package to allow applications to manipulate metamodel programmatically * fixed a recent bug where collection sort order was lost in second-level cache * formula attribute now supported for joined-subclass mappings * formula properties may now be used anywhere in queries * dialect-specific query pagination for SQL Server * fixed a bug where a long path expression ending in collection access by index missed some tables in SQL FROM clause * fixed a very ancient performance problem where null one-to-one associations caused n+1 selects * added Session.saveOrUpdateCopy() * fixed some bugs in Example queries * fixed some minor bugs in dialect-specific query pagination * immutable entity passed to update() is now lock()ed instead * reworked the semantics of nonstrict-read-write * JCS cache support now deprecated * fixed some obscure bugs in collection handling * migrated to CGLIB2 (thanks to Chris Nockleberg) * fixed bugs in replicate() * fixed a bug affecting joined-subclass mappings with dynamic-update=true * performance improvements to boolean type mappings (Bertrand Renuart) * integrated JBoss TreeCache clustered cache (thanks to Bela Ban and Ben Wang) * fixed a bug in new query parameter validation (Steve Ebersole) * fixed a bug where mappings caused unnecessary ObjectDeletedException at flush time * fixed a bug where associations with property-ref mappings were not properly cached * throw PropertyValueException when not-null properties are null at flush time * added unsaved-value attribute to version property mapping (Emmanuel Bernard) * tolerate classnames containing $ (Steve Ebersole) Changes in version 2.1 beta 6 (5.11.2003) ----------------------------------------- * added Session.cancelQuery() * improvements to transaction handling for failed commit (thanks to Juergen Hoeller) * added cascade="delete-orphan" * fixed an exception that occurred when a property was declared not-null="true" update="false" (thanks to John Kristian) * support multiple named query cache regions (Mikheil Kapanadze) * some improvements to collection reattachment * fixed a bad bug with adds to an uninitialized bag or list * removed support for components * added mapping for properties of type Map * fixed a bug where schema export generated index names that were too long for DB2 * allow per-region expiry policies in OSCache (Matthias Bogaert) * fixed a stack overflow that could occur while initializing nonlazy collections * fixed a bug in case-insensitive like for Example queries * fixed a bug in ScrollableResults.setRowNumber() (Martin Priekopa) * improvements to the cache concurrency strategies Changes in version 2.1 beta 5 (30.10.2003) ------------------------------------------ * Support for custom CollectionPersister (Nick Johnson, Max Andersen) * Support for named SQL queries (Max Andersen) * duplicate named queries now throws MappingException instead of just logging warning (Max Andersen) * fixed problems with WebSphereTransactionManagerLookup (Ralf Taugerbeck, Daniel Bradby) * added support for custom collection persisters (thanks to Max Anderson, Nick Johnson) * fixed a performance problem during query compilation (Bulent Erdemir) * composite keys now supported in createSQLQuery() (Max Andersen) * fixed JCA adaptor to run in WebLogic (Daniel Bradby) * integrated SwarmCache (Jason Carreira) * integrated OSCache (Matthias Bogaert) * fixed an NPE that could occur with lists and orphan delete * allow nullable one-to-one with property-ref * improved usage of Dialect-specific limit SQL * fixed problem where non-lazy collections held by cached objects were not immediately initialized * fixed getReturnTypes() for native SQL queries (Max Andersen) * fixed problems with Criterions that applied to multi-column properties * check of rowcounts when JDBC batch updates enabled * added named SQL queries using element (Max Andersen) * added some extra validations so Hibernate fails earlier when user makes mistakes * allow lazy="true" as an alternative to proxy="ClassName" * removed dependency to commons-lang * SchemaExport now creates indexes for collection foreign key columns if specified by Dialect * fixed a bug parsing named parameters in setParameterList() * select new Foo(...) will now tolerate null values if the constructor accepts a wrapper type * fixed a problem detecting Proxool * added logging of persistent object states during flush() * allow "not null" as a discriminator value * added "parameters" config param to "sequence" generator (Matthias Bogaert) Changes in version 2.1 beta 4 (3.10.2003) ----------------------------------------- * fixed a bug where mappings did not handle proxies correctly * implemented new optimistic-lock strategies * fixed several bugs in Criteria query API * fixed a bug caching property-ref associations * improvements to XML Databinder (Ara Abrahamian) * added Session.replicate() and ReplicationMode * added ScrollableResults.setRowNumber() / ScrollableResults.getRowNumber() * added query cache and Query.setCacheable() * added Criteria.returnMaps() * fixed some problems with CGLIB proxies * fixed an NPE that occurred when a joined-subclass of a versioned entity defined only collections * added the access attribute, direct field access and the PropertyAccessor extension point * added MatchMode for use with Criteria queries (thanks to Michael Gloegl) * fixed a bug where some lazy="false" collections were not immediately initialized * fixed problem with WebSphere 5 TransactionManager * support schema attribute in MySQL, by using an underscore in the table name (Chris Hane) * now seperate Dialects for Interbase and Firebird (Reha Cenani, Max Andersen) * removed built-in PreparedStatement cache * added Session.getSessionFactory() * fixed problem with native SQL queries and Query.setProperties() (Max Andersen) * Query now fully validates parameters against the query string before passing them to JDBC (Max Andersen) * fixed an NPE in SessionFactory.close() * fixed an NPE that occurred when using s * added SQL-level query results paging to DB2Dialect * "foreign" id generator now handles detached instances Changes in version 2.1 beta 3 (7.9.2003) ---------------------------------------- * added Example queries * fixed an exception that occurred at startup with and * fixed a bug where composite-elements were not being updated if a property not in the equals() was changed * property of a composite-element may now be used in equals() * named parameters may now be used in HQL order by clause * null value of version property now indicates unsaved instance * added select-before-update attribute * two-phase loading now use for components * better implementation of equals()/hashCode() for proxies * added property-ref attribute to * renamed result() to uniqueResult() * added Session.get() * added HashtableCacheProvider * JTA TransactionManager now used even when not using Hibernate Transaction API * always bypass process-level cache for LockMode.READ Changes in version 2.1 beta 2 (27.8.2003) ----------------------------------------- * and may now appear outside of a element, by providing the extends attribute (Max Andersen) * fixed an NPE at startup that was introduced in beta 1 * fixed a bug in Map.putAll() * new pluggable cache API - deprecated in favor of - net.sf.hibernate.cache.CacheProvider settable via hibernate.cache.provider_class * more aggressive caching * added Hibernate.close(Iterator) * Criteria queries may now include joins - Criteria.addJoin() - Criteria.createCriteria() * hibernate.transaction.manager_lookup_class should now ALWAYS be specified in JTA environment when using jcs caching * fixed a bug caching * fixed bug where cached component did not get property populated * added hibernate.max_fetch_depth property * smarter outer-join fetching * transient object may now be associated with session using Session.lock() * added Query.result(), Criteria.result() Changes in version 2.1 beta 1 (10.8.2003) ----------------------------------------- * batch-size attribute for collection and class mappings, to allow batch loading * collections of "value types" (including composite-elements) may now appear in HQL from clause * more efficient loading of collections, and better handling of non-lazy collections * added HQL index() function to allow access to collection element index * added Session.createSQLQuery() (Max Andersen) * added outer-join attribute to collection mappings * Criteria.setFetchMode() now applies to collection-valued path expressions * added property-ref attribute to , enabling unique foreign key associations * added hibernate.max_fetch_depth config property * added hibernate.hbm2ddl.auto config property * fixed a bug with combination of and * support for Dialect-specific SQL functions in HQL select clause (David Channon) * added Session.clear() Changes in version 2.0.2 (2.8.2003) ----------------------------------- * subqueries may now use HAVING and GROUP BY clauses * fixed a bug with setMaxResults(), setFirstResult() in HSQL (introduced in 2.0.1) * fixed a bug in Set.removeAll() * fixed a bug in SchemaUpdate (Mathias Bogaert) * added weak typing functionality to ScrollableResults * fixed a bug with "calendar" versioning in IBM JDK1.3.1 (workaround for JDK bug) * fixed a bug in mapping DTD that caused a problem for hbm2java (Max Andersen) * fixed a bug querying nested components * SQL generation now prefers ANSI-style inner joins to theta inner joins * fixed a bug caching collection references loaded using FETCH * fixed a bug with composite foreign keys in normalized table mappings (Tom Sedge) * limit support for Interbase (Ludovic Orban) * added where attribute to mappings * added cascade="all-delete-orphan" for collection mappings * fixed a bug binding named parameters with setMaxResults()/setFirstResults() * fixed some minor bugs in HQL translator * fixed a long-standing bug where a could not be dereferenced in HQL * SQL UPDATEs now occur in a predictable order (same order as objects were loaded) * support for SELECT ... FOR UPDATE in SAPDB * fixed bug where Criteria queries against a subclass also returned superclass instances * fixed a very rare bug where an update could get lost with normalized mappings * fixed a problem with proxied class heirarchies rooted at an interface or abstract class * where and order-by attributes now allow SQL function calls and subselects * added formula attribute to tag, to allow "computed" properties * fixed a bug where PreparedStatements were sometimes not closed when an exception occured * workaround for a problem with and Interceptor.onFlushDirty() Changes in version 2.0.1 (17.6.2003) ------------------------------------ * fixed some problems with new dialect-specific LIMIT clauses * improved parsing of collection where attribute * made one-to-many bags more efficient (they are really sets!) * allowed type="calendar" for properties * fixed a bug with locking a versioned composite-id class * refresh() may now take a transient instance * added ProxoolConnectionProvider (Martin Crawford) * fixed some minor JCA issues (Mike Mosiewicz) * fixed a bug with FETCH and sorted associations * improved performance of SchemaUpdate tool (Teodor Danciu) * fixed a bug in Configuration.addFile(String) (Ken Geis) * tidied up and documented hbm2ddl package (esp. Ant tasks) * deprecated CounterGenerator in favor of IncrementGenerator * improved logging during initialization * deprecated "vm" in favor of "increment" id generator Changes in version 2.0 final (8.6.2003) --------------------------------------- * added "fetch" keyword to HQL * added evict() methods to SessionFactory for JVM-level cache * destroy caches from SessionFactory.close() * fixed an NPE in Session.evict() (Simon Spero) * added Query.setLockMode() * tidied up implementation of Loader * release ResultSets more aggressively * miscellaneous improvements to some Dialects * hbm2java now honors the sort attribute (Max Andersen) * added exceptions to Interceptor interface * fixed problem with setMaxResults(), setFirstResult() in Oracle (introduced in beta 6) * fixed some SQL generation that was a problem for Sybase (Dietmar Posselt) * fixed some problems with ODMG API (Oliver Gries) * added JOTMTransactionManagerLookup (Low Heng Sin) * added JOnASTransactionManagerLookup (?) * fixed a bug in WeblogicTransactionManagerLookup (Mathias Bogaert) * added Criteria.setFetchMode() * added new Expressions * much more elegant/robust handling of quoted identifiers * renamed Hibernate.association() to Hibernate.entity() * added dynamic-update and dynamic-insert mapping attributes * fixed a bug with refresh() of objects with collections * HQL aliases now optional - "from Cat" now legal * platform-independant quoting of identifiers using backticks Changes in version 2.0 beta 6 (10.5.2003) ----------------------------------------- * fixed a bug querying one-to-many associations to a * added support for dialect-specific LIMIT-style clauses (David White) * added * fixed bug in hashCode() of persistent collections * now supported in HSQL (Wolfgang Jung) * fixed problem for XML parsers which ignore default values declared in DTD * tags can now be set to not be inheritable * fixed bug in Expression.in() * fixed an NPE that could occur from update() in very strange cases (Chris Nockleberg) * disabled outer-join back to owner when initializing one-to-many (performance improvement) * fixed a bug in Query.setParameterList() (Nick Heudecker) * improved JCA support (Igor Fedorenko) Changes in version 2.0 beta 5 (21.4.2003) ----------------------------------------- * Informix support (Steve Molitor) * fixed a bug parsing "select new ... " queries * deprecated "object" type in favor of mappings * added Session.contains() * added extra DBCP config options (Alex Burgel) * SessionFactory.close() now unbinds from JNDI * added Session.evict() * got rid of an unnecessary SQL DELETE issued when an empty collection was dereferenced * where attribute of collection mappings no longer ignored for deletion * improved logging * support polymorphic associations to "embedded" composite id classes * various bugfixes to collection filter parameter binding * fixed some problems with proxies introduced in earlier beta versions * fixed bug with self-reference in the case of identity column id generation * added hibernate.cglib.use_reflection_optimizer property * added nonstrict-read-write cache * fixed an SQL-generation bug in new Criteria API * added CompositeUserType * sequence and table id generators now aware of default-schema * added update and insert attributes to element * fixed a bug with expressions like elements(foo.bar.baz) in where clause * more efficient Set initialization (two-phase load) * removed support for hibernate.query.imports and added mapping element * fixed problem in DBCP connection validation and added new config properties * hbm2java can now generate finder methods for persistent objects (experimental) (Matt Hall) * hbm2java small fixes/refactorings to support generating more than one file per persistent object (Max Andersen) Changes in version 2.0 beta 4 (22.3.2003) ----------------------------------------- * Major HQL improvements - from "Foo as foo join foo.bars as bar" instead of "from foo in class Foo, bar in elements(foo.bars)" - "select new Foo(bar.name, bar.amount) from ...." - outer and full join support * Query methods now return this, to allow chaining * FrontBase support (Run Lussier) * experimental JCA support (Daniel Bradby) * hbm2java now can generate Beans style property events (Klaus Zimmermann) * support SQL identifiers quoted with [] * fixed bug with PostgreSQL * name attribute now optional in .cfg.xml * support for postgres ilike operator (M Lang) * squash warnings with GNU JAXP (Chris Nockleberg) * fixed a bug in Query.setParameterList() * Ingres support (Ian Booth) * collections now detect changes not made via wrapper for newly saved objects * new (experimental) Criteria + Expression APIs * Query.setEntity(), etc, now aware of proxies (also improved hueristics for guessing Type) * added Hibernate.isInitialized() * detect changes made directly to newly-wrapped collection (ie. not via the wrapper) * added Hibernate.refresh(Object, LockMode) * update(), saveOrUpdate() no longer initialize a proxy * fixed problems with Sybase * added force attribute to * improved handling of null discriminator-value * support SQL-style '' escape for HQL strings Changes in version 2.0 beta 3 (24.2.2003) ---------------------------------------- * collections now represent null elements as a missing row * collections now deserialize correctly (fix for bug in beta 2) * standardised on dom4j for XML parsing * fixed bugs in collection caching (an exception occurred for some sorted collections and some kinds of maps) * allowed null discriminators * set autocommit to true in SchemaUpdate * fixed a stack overflow that could occur in toString() of classes created with hbm2java (Max Andersen) * fixed a bug where composite-element property was not being set after retrieval from cache * added where attribute to collection mappings to allow filtering * fixed a exception that occurred when wrapping collections with sort="MyComparator" (Jason Horne) * objects with mutable="false" are now never updated * fixed an exception that occurs with association to a class with a composite id (Stefano Travelli) * added SchemaExport Ant task (Rong C Ou) * integrated latest CGLIB release (Juozas Baliuka) - added support for new CGLIB reflection optimizer (Juozas Baliuka) * improved query cache algorithm (Who?) * fixed a bug in "object" type * Lists and arrays now represent null elements as a missing row * fixed a bug in Hibernate PreparedStatement cache where maxRows and fetchSize were not cleared before re-caching * fixed a bug in HibernateService that caused a restart to fail * added SybaseAnywhereDialect (?) * added SessionFactory.close() Changes in version 2.0 beta 2 (2.2.2003) ---------------------------------------- * property column names may now be of any length (Mark Woon) * fixed problem where CodeGenerator created private get/set pairs (Max Andersen) * fixed all silly bugs in Configuration.configure() * efficient collection updates from Session.update() * added and elements to hibernate-configuration.dtd * support for normalized mappings for databases with DECODE instead of CASE (Simon Harris) * added Oracle9Dialect * added JRun4TransactionManagerLookup (Joseph Bissen) * fixed JDBCException to keep reference to underlying SQLException * fixed a bug loading many-to-many associations with a repeated column name * fixed a bug in ShortType * added IngresDialect (Ian Booth) * added --config option to SchemaExport Changed in version 2.0 beta 1 (28.1.2003) ----------------------------------------- * renamed packages to net.sf.hibernate.* * all API methods now wrap SQLExceptions * removed support for toplevel collections / subcollections * created hibernate-mapping-2.0.dtd - renamed 'readonly' attribute to 'inverse' - renamed 'role' attribute to 'name' - changed default value for 'unsaved-value' to "null" - added mandatory 'name' attribute to - added tag * created hibernate-configuration-2.0.dtd * brand new Configuration API, including exposed mapping package * completely reworked IdentifierGenerator framework - built-in generators now auto-detect the type (so integer identity columns are supported, for example) - parameters are now named - built-in strategies are renamed * expanded Interceptor interface * removed exceptions that occur if an object is saved or deleted multiple times in a session * added subelement to and * collections except for s now implement by-value equals() and hashCode() * removed all deprecated methods * added Session.refresh() * added dynamic-update functionality * added update and insert attributes to and mappings * added elements(), indices(), size(), maxelement(), minelement(), maxindex(), minindex() collection functions to query language * huge improvements to CodeGenerator (Max Andersen) * enhanced outerjoin fetching support in queries * experimental support for DynaBeans as components Changes in version 1.2.3 (28.1.2003) ------------------------------------ * fixed a recently-introduced problem with Timestamp dirty checking * added createClob(), createBlob() for streams (Benoit Menendez) * SchemaUpdate now configures Dialect correctly (Michael Locher) * update() now working for classes with embedded composite ids * unsaved-value attribute now recognized for * fixed a minor problem where a very specific kind of SQL select did not qualify a column name * added Query.getQueryString() * fixed an NPE that sometimes occurred when hibernate.connection.username was not specified * fixed a bug in SchemaExport where foreign key constraints did not use qualified tablenames * added isFirst(), isLast() to ScrollableResults * fixed bug finding properties inherited by mapped interfaces Changes in version 1.2.1b (4.1.2003) ------------------------------------ * fixed an NPE that occurred while loading Hibernate classes in IBM JVM * arbitrary JNDI InitialContext properties may now be passed as hibernate.jndi.* * fixed a problem where index column was not being nullified when an entity was removed from a one-to-many Changes in version 1.2.1 (31.12.2002) ------------------------------------- * Changed the MySQL mapping of Hibernate "timestamp" to MySQL "DATETIME" (Matthias Schwinn) * TransactionManagerLookup classes now define defaut UserTransaction JNDI names * support for WebSphere 5 (Venkat Srinivasan) * fixed a bug with query expressions of the form "foo.bar.id" for normalized mappings * experimental Blob/Clob support (thanks to Benoit Menendez and Mark Woon) * improvements to SchemaUpdater (Benoit Menendez) * deprecated suspendFlushes() / resumeFlushes() in favor of FlushMode * deprecated IDGenerationException in favor of IdentifierGenerationException * fixed a bug introduced in 1.2 final where cascade save-update was sometimes ignored for readonly="true" bags * fixed a bug caching null-valued one-to-one associations * CodeGenerator now supports and * fixed problem with TimestampType on DB2 (Jonas) * fixed a bug in generated SQL for collections with mappings (Robson Miranda) * fixed a bug caching Maps (Benoit Menendez) * SchemaExport now accepts a .jar file as a source of mappings * hibernate.dbcp.validationQuery setting (Juozas Baliuka) * hibernate.c3p0.validate setting * added Query.setTimeout() * setMaxResults() now behaves sensibly on SAPDB (Russel Smyth) * added Query.setProperties() and Query.getNamedParameters(), fixed a bug in Query.getReturnTypes() * CodeGenerator now generates equals() and hashCode() for composite-id classes (and toString() for all classes) * CodeGenerator now includes superclass properties in subclass constructors (Max Andersen) * added Hibernate.custom() Changes in version 1.2 final (7.12.2002) ---------------------------------------- * fixed a bug where uppercase IS NOT NULL, NOT IN, etc were not parsed correctly * addition to readonly="true" bags now no longer requires collection initialization * added ResinTransactionManagerLookup (Aapo Laakkonen) * improved exception message when setting null to primitive type (Max Andersen) * improved exception message for an unserializable identifier * support for overloaded setter methods (patch by Alex Staubo) * CodeGenerator support for (patch by Wolfgang Jung) Changes in version 1.2 beta 4 (29.11.2002) ------------------------------------------ * fixed bugs in one-to-many associations to a * LockMode class now properly serializable * exceptions thrown by proxied objects are now propagated correctly (rather than being wrapped) * made Calendar types compilable in JDK1.2 * added --format and --delimiter options to SchemaExport (thanks to Richard Mixon) * fix for problem with class with no properties + native id generation + MS SQL Server contributed by Max Andersen * fixed a BAD bug in Hibernate.configure() (thanks to Rob Stokes) * CodeGenerator now recognizes (patch by Wolfgang Jung) * CodeGenerator now recognizes and (patch by Max Andersen) Changes in version 1.2 beta 3 (26.11.2002) ------------------------------------------ * fixed bug in UPDATE SQL generation for mapping strategy (fix by Robson Miranda) * support correctly in CodeGenerator (patch by Tom Cellucci) * fixed an exception that occurred with short qualified tablenames * added the polymorphism attribute to the element * allow "not between", "not in" in query language * allow subqueries beginning with a from clause in query language * query expressions like "not (foo.bar.baz=1)" now translated to "(bar.baz!=1 and foo.bar=bar.id)" * support for PostgreSQL ~ operator (regular expression match) * load(id, lockMode) now working for normalized table mappings * now compiling properly under JDK1.2, 1.3 (fix by Tom Cellucci) * support for subcollections in query language: foo.bars[2]['index'], foo.bars[4].elements, foo.bars[0].size, etc. * added calendar and calendar_date types * find() queries may now return scalar values * component-type properties may appear in a select clause * ConnectionProviders now set isolation level before toggle autocommit * Iterator.next() now throws NoSuchElementException as per Iterator contract (fix by Alex Staubo) * database reverse engineering GUI tool contributed by Tom Cellucci * SchemaExport now generates column in mapping file order (rather than alphabetical order) * mappings working on Oracle (?) Changes in version 1.2 beta 2 (15.11.2002) ------------------------------------------ * support multi-argument SQL functions in queries * reintroduced deprecated form of update() with slightly altered semantics * fixed BAD problem in the generated SQL for certain queries * added OrionTransactionManagerLookup Changes in version 1.2 beta 1 (11.11.2002) ------------------------------------------ * Fixed a bad bug binding to JNDI with servers that use serialization in preference to getReference() * support for quoted SQL identifiers (patch by Jean-Francois Nadeau) * Hibernate.initialize() allows the user to force initialization of a proxy or persistent collection * fix to minor bug in CodeGenerator by Max Andersen * fixed a problem with outerjoin fetching of one-to-one associations defined on subclasses * fixed a minor problem with proxies of classes that override finalize() * finished work on normalized table mappings using declaration (only for databases with ANSI OUTER JOIN and CASE) * deprecated hibernate-mapping.dtd in favor of hibernate-mapping-1.1.dtd * reworked unmapped class / interface / table-per-concrete-class query functionality, fixing several problems * removed deprecated methods * deprecated findIdentifiers() * fixed some problems with embedded composite identifiers * fixed a bug cascading deletes to one-to-one associations * CodeGenerator now generates isFoo() style getters for boolean properties (patch by Aapo Laakkonen) * components may now have a nonpublic constructor (patch by Jon Lipsky) * changes / bugfixes to MapGenerator tool * experimental SchemaUpdate tool contributed by Christoph Sturm Changes in version 1.1.8 (30.10.2002) ------------------------------------- * full support for composite keys in query language * fixed bug where character type could not be null * fixed bug parsing collection filters like: "group by this.date" * fixed a bad bug where C3P0 properties were not always being used * replaced hibernate.use_jdbc_batch with hibernate.jdbc.batch_size * renamed some other properties to hibernate.jdbc.* * made hibernate.show_sql settable from JMX (patch by Matas Veitas) * added SessionFactory.getAllClassMetadata(), getAllCollectionMetadata (patch by Max Andersen) * allowed use of concrete-class proxies with inherited classes ie. * HibernateException extends Apache commons lang NestableException (patch by Max Andersen) * subelement of allows a component to get a reference back to owning entity * Query.setParameterList() to bind lists of values to "in (:list)" * Java constants may now be used in Queries * serialization of an object graph now removes all initialized proxies * several other improvements to proxy handling * proxies may now be used in JDK 1.2 Changes in version 1.1.7 (25.10.2002) ------------------------------------- * added Session.createFilter() * fixed a bug parsing queries with properties of form idXXX (introduced in 1.1.6) * fixed a bug parsing queries with the id property named in the select clause (introduced in 1.1.6) * fixed a bug dirty checking big_decimal (fix by Andrea Aime) Changes in version 1.1.6 (24.10.2002) ------------------------------------- * classes without subclasses may now declare themselves as their own proxy * outer-join attribute now working for component properties and * outer-join="true" will now force outerjoin loading for an association even if associated class has a proxy * enabled oracle-style outerjoins for SAP DB * version properties may now be long or short (previously always integer) * discriminators may now be boolean type * fixed the foo.bar.id.baz syntax for queries doing composite-key joins * fixed an NPE that occurred when no Dialect was specified * CodeGenerator now fully proxy-aware (patch by Max Andersen) * removed dependency upon trove4j Changes in version 1.1.5b (20.10.2002) -------------------------------------- * fixed an NPE that occurred on JMX startup * smarter fetching for one-to-one associations Changes in version 1.1.5 (19.10.2002) ------------------------------------- * added built-in currency and timezone types * hibernate-mapping-1.1.dtd - added and subelements of - added and - renamed "save/update" to "save-update" - tightened up the dtd (now using enumerated attribute types) * enabled multi-column map indexes (ie. key of a Map) * composited-id may now include a many-to-one association * improvements to Databinder contributed by Brad Clow * fixed bugs in minIndex, maxIndex, minElement, maxElement * fixed a problem with JTATransaction in a JBoss BMT bean * added addMapResource() to the MBean * minor improvements to Configuration * more accurate cache entry timestamping to increase the likelihood of cache hits * JCS cache may now be used with JTATransaction in WebSphere, Weblogic, JBoss (thanks to Matt Baird) * improvements to CodeGenerator contributed by Andrea Aime * stopped a TransientObjectException that was being thrown when it shouldn't be * re-enabled primary key export for tables of sets with not-null elements * hibernate.statement.fetch_size configuration contributed by Matas Veitas * added Interceptor application callback interface * added metadata package to expose persistence metadata to the application * changed filter() argument type from Collection to Object to allow filtering of arrays and Maps * added index attribute to allow table indexes to be specified in mapping document * implemented support for queries against interfaces and abstract superclasses Changes in version 1.1.4b (4.10.2002) ------------------------------------- * fixed problems for JDK1.2 (thanks to Chris Webb) Changes in version 1.1.4 (4.10.2002) ------------------------------------ * New locking API * disabled 2-phase load for objects contained in Sets (because they should be initialized before equals() or hashCode() is called) * fixed a bug where non-serializable cache entries could not be cached by JCS auxiliary cache * fixed a bug in dirty checking PersistentEnums * deprecated getID() in favor of getIdentifier() (for mainly cosmetic reasons) * HibernateService may now be subclassed to obtain mapping files by some other mechanism (patch by Chris Winters) Changes in version 1.1.3 (1.10.2002) ------------------------------------ * new 2-phase loading process (replaces complicated "deferred" loading process) * new ScrollableResults interface for efficiently navigating Query results * removed deprecated interfaces * created engine package to hold "internal" APIs (ie. the external contract of the impl package) * fixed bug where a component defined before all collections in the mapping file caused collections to not be persisted (thanks to Michael Link) * fixed a bug where cascaded saveOrUpdate was ignoring the unsaved-value setting * faster Timestamp dirty checking Changes in version 1.1.2 (29.9.2002) ------------------------------------ * added persister attibute of class mapping to support custom persistence strategies * Support for Oracle outerjoins contributed by Jon Lipsky * Reworked versioning, fixing bugs (and tightening tests) * Fixed a bug where an ObjectNotFoundException was thrown for null one-to-one associations * fixed problems with timestamps introduced in 1.1.1 * added batch file for running demo Changes in version 1.1.1 (27.9.2002) ------------------------------------ * Major refactoring / abstraction of persistence logic * added maxIndex, minIndex, maxElement, minElement properties for collections * added support for class names in where clause of queries * fixed a bug where an association could become null after caching * fixed a bug where an NPE could occur for a null component * fixed minor bugs in SortedMap, SortedSet * object type is now cacheable * added big_integer type * improved dirty checking for timestamp type Changes in version 1.1.0 (22.9.2002) ------------------------------------ * implemented collection indexing with [] in query language * fixed some minor query-language bugs Changes in version 1.1 beta 14 (19.9.2002) ------------------------------------------ * bags now implement java.util.List * delete() may now take a transient object * bug where sorted collections were not being sorted fixed by Brad Clow * fixed a bug in many-to-many association filtering * no longer try to query connection metadata when using user-supplied connections * added hibernate.use_scrollable_resultsets for user-supplied connections * fixed a problem where sublists were not being proxied * fixed a problem where Hibernate could not call methods of package-visibility classes * removed obsolete select attribute from MapGenerator * multiple occurrences of same path in a query no longer require multiple joins * added WrongClassException Changes in version 1.1 beta 13 (15.9.2002) ------------------------------------------ * added constants to Lifecycle interface * fix for circular cascade="save/update" * fixed a bug in cascaded update introduced in version 1.1 beta 11 * added object type Changes in version 1.1 beta 12 (14.9.2002) ------------------------------------------ * Session.filter() for applying a filter query to collections * experimental ODMG API (OQL features are not yet compliant) * new DBCPConnectionProvider for Apache commons-dbcp connection pool * Session.lock() now does version number check even on databases with no FOR UPDATE clause * introduced new cascade styles: cascade="save/update", cascade="delete" * added default-cascade attribute * foreign key columns lengths now automatically set to primary key column lengths for SchemaExport * added error checking of row update counts when batching disabled * major improvements to ProxyGenerator tool * CodeGenerator now aware of proxy attribute * integrated PointbaseDialect contributed by Ed Mackenzie * fix for problem where Proxies were being initialized on identifier access by Christoph Sturm Changes in version 1.1 beta 11 (7.9.2002) ----------------------------------------- * deprecated update() in favor of saveOrUpdate() and introduced unsaved-value attribute of * children mapped with cascade="all" are now always saved/updated even without a call to update(parent) * support for composite-id classes where the composite id consists of properties of the persistent class * added constrained attribute to element * added Validatable interface * renamed several config properties (Hibernate issues log warnings for obsolete property usage) * arbitrary JDBC connection properties may now be passed using hibernate.connection.* * fixed a classloading bug in C3P0ConnectionProvider (introduced in 1.1 beta 10) * CodeGenerator may now take multiple mapping files on the commandline Changes in version 1.1 beta 10 (28.8.2002) ------------------------------------------ * fixed a bug that occurred when calling Session.update() for an object with no properties * changed class loading to use the context classloader first * introduced as an alternative to * added Query.getReturnTypes() * fixed a bug with composite-elements introduced in 1.1 beta 7 * save() may now be used to persist classes with composite-ids * improved handling of nanoseconds values in Timestamps * support for composite id properties + objects in select clause of iterate() * beefed-up collection tests Changes in version 1.1 beta 9 (26.8.2002) ----------------------------------------- * fixed a bug introduced in 1.1 beta 8 that could cause an NPE after deserializing a session with proxies * deprecated insert() in favor of more flexible save() * deprecated IDGenerator in favor of new IdentifierGenerator interface * "assigned" id generator now returns the existing value of the id property instead of throwing an Exception * fixed a problem where PreparedStatements were not being recached after retrieving a natively generated id Changes in version 1.1 beta 8 (25.8.2002) ----------------------------------------- * fixed a bug introduced in 1.1 beta 6 where an updated element of an indexed one-to-many collection caused an SQLException * uninitialized collections passed to update() may now be initialized in the new Session * uninitialized proxies passed to update() may now be initialized in the new Session Changes in version 1.1 beta 7 (23.8.2002) ----------------------------------------- * fixed a bug where Hibernate was not returning statements to the cache when batch updates were disabled * fixed a bad bug parsing mappings with toplevel one-to-many associations * fixed a bug with versioning and subcollections * reworked Set updates again for much improved efficiency * schema export now creates primary keys for indexed collection tables * minor refactor to Type hierarchy * improved some user-error detection * fixed foreign key constraint creation for MySQL with Innodb tables Changes in version 1.1 beta 6b (20.8.2002) ------------------------------------------ * Fixed a problem updating Sets * added mapping for java.util.Collection Changes in version 1.1 beta 6 (20.8.2002) ----------------------------------------- * completely reworked fetching code - one-to-many associations now always fetched in a single select - many-to-many associations fetched in a single select when outerjoin fetching is enabled - this includes nested outerjoin fetching of the associated class! - outerjoin fetching for nested inside or - code refactored to be cleaner and faster * removed unnecessary order by clause in List and array fetching SQL * collections now individually update, insert and delete only rows that changed (thanks to Doug Currie) * fixed a problem where exceptions were being wrapped in a LazyInitializationException for non-lazy collections * added order-by attribute to and to specify a table column as defining the iteration order (JDK1.4 only) * improved error detection in Session.update() * further usage of JDBC2 batch updates * some fine-tuning of JDBC2 feature usage configuration * CodeGenerator will now generate components and arrays * fixed problem where CodeGenerator could not generate classes in the default package * improved logging of flush() activity * renamed property hibernate.use_jdbc2 to hibernate.use_jdbc_batch Changes in version 1.1 beta 5 (13.8.2002) ----------------------------------------- * hibernate.query.imports property to allow use of unqualified classnames in queries * fixed a bug in collection flushing that was introduced in 1.1 beta 4 Changes in version 1.1 beta 4 (11.8.2002) ----------------------------------------- * JMX integration (thanks to John Urberg) * "having" clause in query language Changes in version 1.1 beta 3 (10.8.2002) ----------------------------------------- * removed the select="all" attribute for mappings - "select distinct" now specified in the hibernate query * system properties now override hibernate.properties * Session now flushes changes even less often (only when actual updates to the queried table(s) are waiting) * fixed a *very* rare problem where an unnecessary update could be accidently issued before a delete Changes in version 1.1 beta 2 (6.8.2002) ---------------------------------------- * fixed a bug exporting schemas with identity columns * implemented factory-level caching of collections * Datastore.storeJar() contributed by Christian Meunier * added to hibernate.cfg.xml Changes in version 1.1 beta 1 (4.8.2002) ---------------------------------------- * new Query API including named parameters, pageable results * subqueries in Hibernate queries (only for databases that support subselects) * new DocBook documentation (contributed by Christian Bauer) * support collections .elements, .indices inside select clause (even in aggregate functions) * don't load collections before removal unless absolutely necessary * mutable="false" attribute in element to map immutable classes * use JDBC batch to insert collection elements if hibernate.use_jdbc2 is set * brand new PreparedStatementCache * improvements to MYSQL dialect for long datatypes * always check isAccessible() before setAccessible(true) * removed extra unnecessary table join in queries with one-to-many association * removed ugly "WHERE 1=1" from generated SQL * fixed exception mapping a class with no properties (fix by Rob Stokes) * logging enhancements including SQLException logging * reworked factory-level cache and integrated JCS support (thanks to Christian Meunier) * fixed a bug with circular references in cached data * removed blocking cache support * now rendering outerjoins as "LEFT OUTER JOIN" because "LEFT JOIN" caused problems for some Sybase versions * added default Hibernate properties to Dialects * native id generation now falls back to sequence id generation when identity columns not supported by the dialect * fixed some problems with native id generation under HSQL * may now use Session.insert() even when using native id generation Changes in version 1.0.1b (18.7.2002) ------------------------------------- * fixed a bad bug in query parser when hibernate.query.substitutions was unset * much improved build.xml Ant script * latest c3p0.jar Changes in version 1.0.1 (17.7.2002) ------------------------------------ * enabled use of scalar values and aggregate SQL functions in select clause of iterate() queries * fixed bug in JNDI lookup for SessionFactory * changed ordering of SQL inserts/deletes for child collections of a cascade-enabled association - better behaviour for some not-null constraints - performance optimization for bidirectional many-to-one associations * added hibernate.query.substitutions property to allow named query constants (eg. translate 'true' to '1') * added locale type for java.util.Locale * added sequence hi/lo generator (seqhilo.long) * fixed bug where load(), onLoad() callbacks were sometimes called at wrong time * fixed an exception (fix by Eric Everman) and improved identifier searching in MapGenerator tool * refactored SerializableType * extra logging + error handling * documentation enhancements Changes in version 0.9.17 (3.7.2002) ------------------------------------ * Added UserType interface * documented Lifecycle * added some new trace messages to log * bugfix to allow SQL functions like upper(), lower(), etc to work on all platforms * documented SAP DB support (dialect contributed by Brad Clow) * foreign key constraint export for SAP DB * map index may be the composite-id of the element class (contributed by Jon Lipsky) * fixes to CodeGenerator tool (contributed by Uros Jurglic) Changes in version 0.9.16 (19.6.2002) ------------------------------------ * fixed bug cacheing objects with references to themselves * support for composite ids of classes with no id property * may now disable outer join (deep) fetching for an association by setting outer-join="false" * enabled outer join fetching for one-to-one * fixed a bug for mappings that specify class attribute of * fixed a bug where Hashbelt did not expire cached data in a timely fashion * fixed a mistake in the mapping DTD * new user-error check in update() Changes in version 0.9.15 (15.6.2002) ------------------------------------ * one-to-one associations * support for "tricky" mappings in SchemaExport tool (multiple properties to one column, etc) * Transaction API contributed by Anton van Straaten * SessionFactory may be bound to JNDI name by setting hibernate.session_factory_name * Sessions are now Serializable! * added Session.findIdentifiers() query methods * new Lifecycle interface to replace deprecated PersistentLifecycle * fixed problem where session did not autoflush on iterate() queries * performance enhancements to collection dirty checking * added Hibernate.configure() and configuration file format * removed some deprecated methods * refactored Type hierarchy * query language identifiers now case sensitive (bugfix for case sensitive SQL dialects) * username/password now optional for datasource (contributed by Emmanuel Bourg) * much improved API documentation * binary types now saved using streams if hibernate.use_streams_for_binary=true (contributed by Jon Lipsky) * MySQL Strings now mapped to TEXT columns if length > 255 (contributed by Christoph Beck) Changes in version 0.9.14 (4.6.2002) ------------------------------------- * lifecycle objects - properties now have a cascade attribute to cascade save, update, delete * composite id properties may now be used in queries eg. foo.id.bar (contributed by Jon Lipsky) * slightly changed semantics of update() so it now also save()s new transient instances * Session now flushes() itself less often before query execution (performance enhancement) * fixed problem where Session.save() returned null instead of the natively generated id * fixed bug with object identity for cached classes * fixed bug where delete(x) could not be called after update(x) * MUCH improved Exception hierarchy * deprecated create() * added sql-type attribute to tag to allow user to override default type mapping * deeper fetching with use_outer_join * new ConnectionProvider framework * fixed a bug where blocking cache could return stale data * now working again in JDK1.2.2 * fixed problem with not-null associations + native key generation * minor changes to PersistentLifecycle interface * initial, minimal version of new Transaction mechanism * MUCH improved documentation Changes in version 0.9.13 (25.5.2002) ------------------------------------- * Datastore.storeResource() to load mapping files from classpath * fixed a problem executing under JDK1.3 when compiled from JDK1.4 * documentation improvements Changes in version 0.9.12 (24.5.2002) ------------------------------------ * Session.update() methods to update a persistent instance from transient copy (as requested by many users) * discriminator column name, type, length, etc now configurable by tag in mapping file * discriminator column values configurable by discriminator-value attribute of and tags * added Session.insert(object, id) for classes with no identifier property * fixed another bad bug with connection handling (fix by Anton van Straaten) * fixed a problem with deferred loading * fixed a problem with sorted collections (fix by Anton van Straaten) * nested collections of objects now require 2 SQL SELECTs to load, rather than size+1 * session is NO LONGER atomic - application should discard session when exception occurs * fixed problem where character type was mapped to VARCHAR column * arrays of proxies now possible by using new element-class attribute of tag * fixed various problems with proxies * added proxy generation tool * proxy unit tests * replaced two RuntimeExceptions with checked exceptions * made hibernate.username/hibernate.password optional for DriverManager * CodeGenerator now supports all hibernate basic types * much improved caching algorithm for compiled queries * may now specify properties simply by placing hibernate.properties in classpath * documentation improvements + fixes * --abstract switch to MapGenerator (contributed by Eric Everman) Changes in version 0.9.11 (12.5.2002) ------------------------------------ * fixed major bug with connection handling (fix by Anton van Straaten) Changes in version 0.9.10 (11.5.2002) ------------------------------------ * set a default schema name using SessionFactory property hibernate.default_schema * code generator tool contributed by Brad Clow (www.workingmouse.com) * lazy object initialization under JDK 1.3 and above * fixed some error messages to go to logging framework, not stdout * new system property hibernate.show_sql=true logs all executed SQL to stdout * integration of bugfixes in c3p0 * wrap IllegalArgumentExceptions in HibernateExceptions * added ObjectNotFoundException and StaleObjectStateException * fixed a bug when using schemas * new caching strategy (and documented cache feature) Changes in version 0.9.9 (25.4.2002) ----------------------------------- * sorted sets and maps (thanks to Doug Currie) * mapping files may now be loaded using getResourceAsStream() (thanks to Markus Meissner) * hibernate messages now logged by Apache commons-logging * default hi/lo generator table now has column named "next_id", instead of "next" * query language may now refer to identifier property name (eg. foo.fooKey as alternative to foo.id) * hibernate.jndi_class, hibernate.jndi_url now optional when using datasource * hibernate now throws an exception if you try to persist an object with a reference to a transient object * improved connection pooling algorithm (hibernate.pool_size limits pooled conections) * very experimental integration of c3p0 JDBC connection pool (http://sourceforge.net/projects/c3p0) * now compiles under JDK 1.2.2 * fixed bug persisting null components * fixed bug where cached prepared statements were not cleaned up after disconnect() session * fixed a null pointer exception in MappingByReflection Changes in version 0.9.8 (13.3.2002) ----------------------------------- * supports database native key generation in Sybase, MS SQL, MySQL, DB2, Hypersonic (contributed by Christoph Sturm) * supports Mckoi (dialect contributed by Doug Currie) * supports Progress (dialect contributed by Phillip Baird) * added exceptions to catch Session reentrancy from PersistentLifecycle.load() + store() * experimental cross-transaction cache * Session.lock() and Session.loadWithLock() for pessimistic locking * HiLoGenerators may now use their own DriverManager connection properties + may now use same table across diff mapping files * Session.flush(), Session.close() and Session.connection() replace Session.commit(), Session.cancel() * Session.disconnect() and Session.reconnect() for long transactions * added single JVM id generators vm.long, vm.hex * added unique column constraints to mappings * extensions to IDGenerator framework * support sequence-style ID generation in Oracle, PostgreSQL, DB2, Interbase * fixed problem where subcollections of a collection that changed roles would be deleted * changed class loading strategy to be compatible with JBoss * stopped queries retrieving unnecessary columns * mutable types (binary + serializable) now always detected as dirty Changes in version 0.9.7 (26.2.2002) ----------------------------------- * save() now safe from foreign key violations (so create() is no longer preferred method of adding data) * delete() now completely safe from foreign key violations - it no longer matters what order objects are deleted in * removed Session.copy() * hilo generators now NOT for use with application server datasources * fixed two intermittent bugs in queries * fixed a problem where components not detected as dirty * fixed broken hilo generator which was not updating database * fixed a minor bug when hibernate.use_outer_join was set Changes in version 0.9.6 (24.2.2002) ----------------------------------- * experimental XML generation * added support for bi-directional associations (one-to-set, set-to-set) with config * reflective generation of mappings tool was contributed by Doug Currie * Session operations now atomic, so exceptions are recoverable * made ID properties optional in persistent classes * support for multiple schemas through schema attribute of , , , , etc. * auto-creation of tables for hilo id generators (restriction: cannot use same table from more than one mapping file) * added some more assertions to catch user "mistakes" like deleting transient or saving persistent objects * major rework of collections and fixed some bad bugs * lazy initialization re-enabled for one-to-many associations (thanks to Georg Schneemayer) * fixed a problem in the mapping DTD to allow nested components in collections * fixed a BAD bug in RelationalDatabaseSession when loading objects with PersistentLifecycle callbacks (thanks to Paul Szego) * fixed problems with quoted strings in query language * fixed a bug where a stack overflow occurred instead of HibernateException thrown (thanks to Georg Schneemayer) * fixed a bug deleting updated versioned data * fixed some problems with name generation for indexes + foreign keys * fixed problem in Sun JDK 1.4 (only?) where IllegalArgumentException was not handled * minor improvements to handling of dates and times * HiLoGenerator now safe for all transaction isolation levels + safe when rollback occurs * noticed and fixed obscure piece of nonthreadsafe code outside of core persistence engine * removed unnecessary drop constraints for some dialects * MUCH more comprehensive test suite * changed some terminology used in documentation * added javadoc for API classes * commented the mapping DTD Changes in version 0.9.5 (8.2.2002) ----------------------------------- * supports HypersonicSQL (dialect contributed by Phillip Baird) * supports Microsoft SQL server (with third party JDBC driver) * proper command-line tool for schema generation and export * deprecated the interface cirrus.hibernate.Persistent (due to popular demand) * changes to hibernate-mapping DTD (required to support optional Persistent interface): - deprecated in favor of - deprecated in favor of - deprecated in favor of - deprecated in favor of - deprecated in favor of * class attribute optional in and tags (determined by reflection) * querying components of components now supported * one-shot table creation (no use of unportable "alter table") * time dataype support * reflective mappings of java.sql.Time, java.sql.Timestamp, java.sql.Date * fixed error msg thrown when class is missing a method but has a superclass * property names now conform to JavaBean spec ("foo" instead of "Foo"). Note that "Foo" still works * constructors of persistent classes may now be non-public * collection indexes now mapped to not-null columns * fixed obscure bug with querying collections inside components of components * fixed potential bug related to cacheing of compiled queries * major rewrite of code relating to O-R mappings * Session.copy() and Session.equals() as convenience for users * fixed repeated invocations of hasNext() on iterator + iterators now always work with distinct SQL resultsets * McKoi dialect was contributed by Gabe Hicks Changes in version 0.9.4 (29.1.2002) ------------------------------------ * fixed BAD bug where XML parsing would not work for parsers other than Xerces - thanks to Christian Winkler * added some more assertions to catch user "mistakes" like changing ids or reusing existing ids Changes in version 0.9.3 (27.1.2002) ------------------------------------ * repackaged (corrupted DatasourceConnectionProvider.class) * better exception reporting using datasource * added Datastore.storeClass() which looks for mapping file in classpath (class foo.Bar -> foo/Bar.hbm.xml) * improved documentation Changes in version 0.9.2 (25.1.2002) ------------------------------------ * iterate over query results (lazy instantiation of query results) * added "select foo, bar" style queries returning multiple objects per row * delete by query * composite key support * outer joins for faster (?) loading of associated objects ( set "hibernate.use_outer_join" to "true" ) * connection pooling when using DriverManager * foreign key constraint from unkeyed collection table to owner entity table * improved drop tables script execution (still not infallible) * added tag * added not-null properties and elements * added an optimisation for dates and components * made some XML attributes optional * fixed errors in documentation + documented some extra features * bugfix: store() not getting called on lifecycle interface * bugfix: schema generation for indexed associations * added many tests Changes in version 0.9.1 (20.1.2002) ------------------------------------ Too many to list version 0.8.1 ------------- Initial alpha version