Hibernate Changelog =================== Note: Newer entries are automatically generated and the description might not match the actual issue resolution (i.e. a bug might not be a bug). Please refer to the particular case on JIRA using the issue tracking number to learn more about each case. Changes in version 3.2.4 (2007.05.09) ------------------------------------------- ** Bug * [HHH-511] - reattach object from same session * [HHH-2316] - org.hibernate.cache.CacheKey.equals() can cause PropertyAccessException to be thrown * [HHH-2553] - New LoadContexts Implementation causing possible performance degradation * [HHH-2602] - instrumented many-to-one problem with aggressive release ** Deprecation * [HHH-2603] - Deprecate the Session.connection() method ** Improvement * [HHH-2549] - Warn users explicitly about schemaexport and schemaupdate does not support annotations ** New Feature * [HHH-1] - Optimize Hibernate for the bulk insertion of related entities ** Patch * [HHH-2301] - Identity generator with custom insert SQL broken in 3.2 (Scott Rankin and Gail Badner) * [HHH-2336] - paremeterizable and typedef-able UserCollectionType (Holger Brands) * [HHH-2580] - Performace: Too many lookups of WAS extended transaction support (Jesper Udby) Changes in version 3.2.3 (2007.04.02) ------------------------------------------- ** Bug * [HHH-2376] - Query with fully qualified entity class fails * [HHH-2392] - LockModes referencing non-root joined-subclass class in HQL/Criteria * [HHH-2393] - Generated properties leave open ResultSet on Batcher to be closed on transaction completion * [HHH-2397] - hilo generator can generate negative numbers because of arithmetic overflow * [HHH-2469] - ArrayIndexOutOfBoundsException during update by rowid * [HHH-2476] - PersistentMap.put() incorrect on uninitialized, non-extra-lazy map * [HHH-2481] - Big memory leak in the use of CGLIB * [HHH-2499] - incorrect assertion failure relating to generated property values * [HHH-2513] - Abusive WARN logged during deserialization of replicated SessionFactory * [HHH-2521] - Fix cascading of merge across component properties * [HHH-2532] - update/delete executeUpdate() causes problems with JBossCache (at least in opt-locking setups) ** Improvement * [HHH-2495] - encapsulate the notion of state pertaining to processing a result set * [HHH-2534] - better error message for illegal 'collection dereference' in HQL query * [HHH-2535] - Change Cache' Cache71Dialect so that sequence support returns false ** New Feature * [HHH-2471] - create a set of "enhanced" generators * [HHH-2500] - apply Terradata certification results ** Patch * [HHH-2367] - InformixDialect uses wrong data type * [HHH-2489] - SQL comments for HQL bulk operations Changes in version 3.2.2 (2007.01.24) ------------------------------------------- ** Bug * [HHH-1471] - If the 'generated' attribute is set to 'insert' or 'always' on the property of a component it is ignored and the value is not read from the database. * [HHH-1646] - Bad code in FastClass.equals * [HHH-1889] - LockMode.UPGRADE not applied in all cases for SQL Server / Sybase * [HHH-2112] - ClassCastException in StatefulPersistenceContext.getCachedDatabaseSnapshot(...) * [HHH-2221] - MySQL temp table DDL and isolation * [HHH-2238] - SQLQuery executeUpdate doesn't respect Query.setFlushMode() * [HHH-2251] - Settings build unnecessary in schemaupdate/schemavalidate * [HHH-2257] - Query.iterate() results differ from Query.list() 2 * [HHH-2259] - autoflush and autoclose not longer occur in JTA environment with hibernate 3.2 * [HHH-2264] - NPE when NamedQuery contains space before variable name * [HHH-2274] - Collection ordering when many to many order by is used is not respected * [HHH-2275] - Mapping a composite element as a map key using formulas can lead to AOOBE * [HHH-2284] - HQL: selecting components inside components doesn't work * [HHH-2291] - collection based on property-ref not handled correctly during reattch * [HHH-2292] - merge detached instance fails to persist collection changes in case of bare collection reference * [HHH-2356] - NullableType.toString(Object) should account for nulls * [HHH-2366] - Changing a component's value does not trigger an update during flush * [HHH-2378] - replicate() of non-versioned entiy can result in wrong value for version in entity cache ** Improvement * [HHH-1851] - relax special handling of 'id' property * [HHH-2130] - SQLQuery does not autoflush all entities used in the query * [HHH-2193] - Introduce a flag to avoid checking NamedQuery at startup * [HHH-2242] - Consider Allowing Optimistic Lock Strategies other than 'Version' with joined-subclass * [HHH-2250] - Create an appropriate error message if Query.setEntity is passed a NULL value * [HHH-2282] - PersistentClass property lookups do not properly account for embedded composite identifiers * [HHH-2286] - dialect informational metadata * [HHH-2372] - Allow tooling to create Settings via SettingsFactory without contacting the db ** New Feature * [HHH-2246] - No way to specify CACHE_PROVIDER_CONFIG in HibernateServiceMBean ** Patch * [HHH-2300] - Updated dialect for H2 database engine * [HHH-2371] - enhancements to C3P0ConnectionProvider ** Task * [HHH-2032] - update c3p0 to 0.9.1 Changes in version 3.2.1 (2006.11.16) ------------------------------------------- ** Bug * [HHH-939] - 'class' property in HQL results in incorrect SQL for joined-subclass * [HHH-1401] - session.merge() executes unnecessary updates when one-to-many relationship is defined. * [HHH-1460] - Inconsistent behavior when using Session.get() with multiple subclasses * [HHH-1564] - deleting versioned object with collection leads to unecessary update * [HHH-1629] - SchemaUpdate/validator doesn't listen to quoting * [HHH-1631] - Missing table in SQL from clause that is referenced in where clause when using joined subclass * [HHH-1651] - hibernate does not find an existing sequence from an Oracle database * [HHH-1663] - with collection will produce "AssertionFailure: collection was not processed by flush()" * [HHH-1737] - Add a ConnectionWrapper interface to allow access to the underlying connection from a BorrowedConnectionProxy * [HHH-1756] - Proxy objects are not removed from the BatchFetchQueue during a session evict * [HHH-1774] - Component parameters bound incorrectly * [HHH-1921] - "dirty, but no dirty properties" thrown when Interceptor resets properties. * [HHH-1986] - javassist throws InvocationTargetException instead of original checked Exception * [HHH-2027] - merge listener over-writes Interceptor changes to component state for a transient entity * [HHH-2044] - DefaultMergeEventListener.entityIsDetached call StaleObjectStateException with wrong identifier * [HHH-2082] - UpdateTimestampsCache.isUpToDate returns before checking all spaces * [HHH-2108] - cacheable files broken * [HHH-2138] - merge with bidirectional one-to-one may fail * [HHH-2145] - set.retainAll calling set.addAll * [HHH-2174] - Wrong log message in SessionImpl.afterTransactionCompletion(...) * [HHH-2199] - Unique constraints on nullable columns should not be generated with unique-key is used and supportsNotNullUnique=false * [HHH-2202] - Clearing the connection warnings even when log is > WARN to workaround a Sybase issue * [HHH-2206] - SessionImpl tries to deserialize itself in an incorrect order * [HHH-2207] - Suggested fix for HQL - MySQL setMaxResults issue * [HHH-2226] - org.hibernate.hql.ast.tree.FromElementType contains warning log message that should be debug instead * [HHH-2229] - Performance issue with fix for HHH-1293, CGLIBLazyInitializer may be slower for certain Java classes * [HHH-2236] - Lazy property + setReadOnly + Instrumented classes results in NullPointerException when accessing lazy property ** Improvement * [HHH-2037] - provide Query.setProperties(Map) * [HHH-2042] - Typo in FlushMode.MANUAL Javadoc * [HHH-2057] - Add "remove" cascading style to CascadeStyle for XML mappings * [HHH-2127] - Document and defaultCondition * [HHH-2135] - Hibernate Deserialization: In org.hibernate.type.SerializableType the code makes a test for the return of a null object by simply testing the object as to whether or not it is null. * [HHH-2185] - introduce setting to control cglib caching of classes * [HHH-2203] - Make Post*Events extend AbstractEvent * [HHH-2208] - Table schema use in DatabaseMetadata * [HHH-2209] - ehcache.jar is old and does not contain the SingletonCacheProvider which are advised in exception messages * [HHH-2217] - Collection write methods and dirtying the collection ** New Feature * [HHH-2205] - Dialect for Intersystems' Cache SQL 2007.1 ** Patch * [HHH-1767] - read-only cache for immutable collection causes unnecessary warning ** Task * [HHH-2219] - Upgrade to Javassist 3.4 Changes in version 3.2.0.ga (16.10.2006) ----------------------------------------- (retag of 3.2.0.cr5 (2006.10.16)) Changes in version 3.2.0.cr5 (04.10.2006) ------------------------------------------- ** Bug * [HHH-1668] - PersistentSet write methods mark collection as dirty even if entry is not written * [HHH-1714] - Session.get() behavior * [HHH-1891] - Since rc3 deprecation Warning: The syntax 'TYPE=storage_engine' is deprecated and will be removed in MySQL 5.2. ** Improvement * [HHH-2093] - PERSIST_ON_FLUSH ineffective for recursive object graphs * [HHH-2103] - Rolling back 'SELECT is mandatory' on JPA strict compliance ** Task * [HHH-1931] - verify that the instrument tasks actually work Changes in version 3.2.0.cr4 (24.08.2006) ------------------------------------------- ** Bug * [HHH-1293] - java.lang.NoSuchMethodError: .getHibernateLazyInitializer() * [HHH-1677] - optimistic-lock="dirty|all" is ignored at delete time * [HHH-1710] - persistent collections with property-ref to secondary tables cannot be joined in HQL * [HHH-1713] - AbstractEntityPersister causes an exception when a row in a joined table is missing with fetch="select" * [HHH-1740] - Build-time instrumentation breaks lazy="proxy" * [HHH-1750] - Exception ORA-01000 too many open cursors by generated="insert" * [HHH-1806] - No Dialect mapping for JDBC type: 3 * [HHH-1848] - A session.lock generates a query with a version column in a joined subclass which does not exist * [HHH-1892] - finish HHH-1789 for ordered and sorted collections * [HHH-1898] - With hibernate 3.2.0-cr3 there is an hql parsing error on a one-to-one relation * [HHH-1924] - ForeignKeys: TransientObjectException is thrown without a message because of a wrong bracket in the code * [HHH-1927] - persist() and then merge() not handled correctly for multiple entity instances representing the same logical state * [HHH-1937] - Proxy creation failure leads to NPEs * [HHH-1943] - PersistenceContext not checked to see whether the associated entity is transient or not * [HHH-1944] - generated subqueries and jpaql compliance (derived select clause) check * [HHH-1947] - OF part of MEMBER OF is optional * [HHH-1948] - Query Idetification variables are case insensitive in JPA * [HHH-1949] - having trim(BOTH from c.name) translated into having ltrim(rtrim(BOTH)) on DB2 * [HHH-1954] - Proxies are never unassociated (evicted) from a session * [HHH-1958] - session.lock(LockMode.FORCE) can lead to NPE * [HHH-1963] - meta inheritance broken * [HHH-1992] - Some cascade actions should not trigger a property access on lazy properties * [HHH-2001] - javaassist does not setup the proper protection domain thus does not work with signed/secured deployments such as webstart * [HHH-2015] - where= does not set parenthesis leading to unexpected query when multiclause are used * [HHH-2017] - locate function defined on Oracle9Dialect is incorrect * [HHH-2022] - property names beginning with underscores cause Hibernate to generate invalid aliases ** Improvement * [HHH-1470] - Enhance Hibernate-Mapping DTD Definition of type element * [HHH-1934] - logging NonUniqueObjectException and WrongClassException * [HHH-1941] - Be more specific about x not found and invalid mapping exceptions to allow tools to tell about it * [HHH-1968] - unify bytecode instrumentation * [HHH-1980] - disallow the mapping combination of and optimistic-lock * [HHH-2005] - more standard build script * [HHH-2023] - performance optimization of JTATransactionFactory.isTransactionInProgress() ** Patch * [HHH-1271] - When using Stored Procedure for update or delete, the check is not done correctly. ** Task * [HHH-1931] - verify that the instrument tasks actually work Chages in version 3.2 cr3 (2006.07.06) ------------------------------------------- ** Bug * [HHH-1452] - Native SQL query is missing join if entity includes many-to-one on secondary table * [HHH-1507] - one-to-one can have formula or meta but not both of them. * [HHH-1552] - Error when using ?1 and parameterList * [HHH-1586] - ClassCastException in CollectionType.toLoggableString if using CustomCollectionType * [HHH-1732] - EhCache.toMap still assumes Serializable objects * [HHH-1734] - Connection leak when using hilo strategy in SE environment * [HHH-1741] - Bug in reference documentation * [HHH-1746] - NullPointerException at IdentNode.resolveAsNakedComponentPropertyRefLHS(IdentNode.java:195 * [HHH-1748] - Setting a comment that contains a single quote on a query results in an unintuitive exception * [HHH-1763] - Bug in InputStream org.hibernate.util.ConfigHelper.getResourceAsStream(String resource) * [HHH-1791] - property update="false" ignored since 3.2.0.cr2 * [HHH-1816] - serializing session from a named session factory to a different vm broken * [HHH-1822] - flushing entity linked to transient instance (non cascaded) should always fail * [HHH-1828] - registering a transaction marked for Rollback is illegal * [HHH-1833] - Not Generating HibernateException * [HHH-1838] - Wrong SQL generated for hql query on "any" relation * [HHH-1855] - booleans not properly handled in assignment clause of UPDATE statements * [HHH-1858] - wrong sql generated against many-to-any association table * [HHH-1871] - query type autodiscovery assume wrong column when mixing entities and scalars ** Deprecation * [HHH-1792] - Callable update/insert/delete statements should not force rowcount out parameter ** Improvement * [HHH-1617] - Check the second-level cache before adding a PK to a batch fetch * [HHH-1773] - Typo in ImprovedNamingStrategy * [HHH-1779] - Allow Session.remove() on transient object * [HHH-1789] - improve efficiency of collection initialization from L2 cache hits * [HHH-1795] - default cache provider to NoCacheProvider * [HHH-1796] - TreeCache based providers and Fqn * [HHH-1800] - session.get() / load() should raise exception when the id is of the wrong type * [HHH-1818] - remove() should force subsequent contains() calls to return false * [HHH-1831] - Batch loading the same EntityKey (one side of manytoone ) more than once * [HHH-1861] - More complete component handling in HQL * [HHH-1881] - introduce LoggableUserType interface ** New Feature * [HHH-1709] - Be able to raise ENFE rather than LIE in proxies * [HHH-1727] - Add a SQLFunctionRegistry * [HHH-1817] - Introduce setting for JPA-QL strict compliance * [HHH-1826] - Built-in type for char[] -> VARCHAR Byte[] and Character[] ** Patch * [HHH-1558] - Dialect for new database engine H2 * [HHH-1847] - QBE 'like' clause with backslashes don't work with MySQL ** Task * [HHH-1839] - rename FlushMode.NEVER -> FlushMode.MANUAL Changes in version 3.2 cr2 (2006.05.05) ------------------------------------------- ** Bug * [HHH-1114] - The first (HSQL) Hibernate Application doesn't work as expected due to lack of database shutdown * [HHH-1175] - Exception when loading inheritance mapping in single file * [HHH-1560] - PropertiesHelper.resolvePlaceHolders() fails with non-String values in System properties * [HHH-1620] - Errors on max_lo <=1 boundaries * [HHH-1625] - Hibernate.isPropertyInitialized() returns false on instrumented transient object * [HHH-1648] - Exception while resuming a transaction is silently eaten * [HHH-1674] - Configuration serialization error: filterDefinitions map not serializable * [HHH-1695] - subsequent calls to non-existent proxy causes NPE ** Improvement * [HHH-1266] - StatelessSession can implement refresh * [HHH-1414] - many-to-many and metadata order-by based on column from the target table * [HHH-1477] - Improve naming strategy for ANN-195 * [HHH-1538] - aggregations functions in EJBQL queries does not return the appropriate types * [HHH-1670] - Update EhCache and EhCache provider to support EhCache 1.2 * [HHH-1704] - Deduplicate unique constraints generation sharing the same column(s) ** New Feature * [HHH-870] - support SQL updates in named queries * [HHH-1591] - Replace LazyInitializationException by EntityNotFoundException * [HHH-1719] - Provide a ClassTransformer interface to the BytecodeProvider Changes in version 3.2 cr1 (2006.03.27) ------------------------------------------- ** Bug * [HHH-1453] - Broken exception handling in NullableType ** Improvement * [HHH-227] - remove reflection optimizer * [HHH-587] - Make ResultTransformer available for all query methods * [HHH-1588] - delay inserts for insert-generated-identifiers outside transaction * [HHH-1590] - redesign how PostInsertIdentifierGenerators are handled at insertion * [HHH-1592] - allow SelectGenerator to use a defined natural-id (if one) ** New Feature * [HHH-332] - create ability to add resulttransformer to HQL query * [HHH-1179] - support inline sequence id generation on Oracle using RETURNING clause Changes in version 3.2 alpha2 (2006.03.15) ------------------------------------------- ** Bug * [HHH-535] - properties element causes exception in interface/abstract class * [HHH-1325] - ArrayOutOfBounds expected in DatabaseMetadata.isTable when specifing schema * [HHH-1435] - many-to-one lazy seems to be broken in 3.1.x * [HHH-1531] - NPE with many-to-many and property-ref * [HHH-1546] - generated version properties fail with multiple actions per flush ** Improvement * [HHH-1540] - Better Error Feedback In CollectionEntry.postFlush(PersistentCollection) * [HHH-1555] - ConnectionReleaseMode.AFTER_STATEMENT and flushes * [HHH-1559] - introduce TransactionFactory.isTransactionInProgress to facilitate EJB3 joinTransaction handling Changes in version 3.2 alpha1 (2006.02.28) ------------------------------------------- ** Bug * [HHH-687] - Exception QuerySyntaxError not really serializable * [HHH-1236] - Remove static reference to classloader, to avoid memory leak at webapp reload * [HHH-1287] - Problem with WAS ExtendedJTATransaction not available when using MDB * [HHH-1419] - Update + Exists doesn't seem to work * [HHH-1445] - SchemaUpdate closes shared ConnectionProvider * [HHH-1464] - QueryException from Query.getReturnAliases when query uses "fetch" * [HHH-1486] - Concurrent access issues with both SoftLimitMRUCache and SimpleMRUCache * [HHH-1508] - Session.createQuery() should not flush the session ** Improvement * [HHH-1411] - Collection fetches and DISTINCT * [HHH-1412] - Collection fetches and firstResult/maxRows * [HHH-1416] - LockMode.FORCE to implement EJB3 LockModeType.WRITE * [HHH-1457] - support new optimisitc locking capabilities of JBossCache * [HHH-1466] - better handling of Antlr exceptions * [HHH-1516] - support DataDirect standard jdbc stored procedures * [HHH-1518] - Guarentee LockMode behaviors * [HHH-1520] - with clause with implied joins within an explicit join * [HHH-1526] - Improved DTDEntityResolver ** New Feature * [HHH-1251] - Avoid replicating the clearing of TreeCache on SessionFactory..close() * [HHH-1410] - FlushMode.AUTO -> COMMIT when outside a transaction * [HHH-1447] - pluggable bytecode libraries Changes in version 3.1.2 (01.27.2006) ------------------------------------------- ** Bug * [HHH-73] - Statistics for HQL queries use pre-processed query string * [HHH-1306] - HQL parsing problem with join fetching of arrays/collections of values * [HHH-1370] - Warning in hibernate-mapping-3.0.dtd * [HHH-1371] - MappingException is thrown when the same column is referenced with different case * [HHH-1386] - Numeric (long) literals not properly handled by HQL parser * [HHH-1390] - Session.isOpen() throws exeception when the session is closed with ThreadLocalSessionContext * [HHH-1391] - Invalid parameter index SQLException when using named parameters after positional parameters * [HHH-1392] - Proxies cannot be serialized after session is closed * [HHH-1398] - extends and entity-names broken with mapping-level package attribute * [HHH-1407] - return-join broken for entity collections ** Improvement * [HHH-1364] - Defensive check of isClosed when obtaining a connection from ConnectionManager * [HHH-1367] - warn level log "this operation breaks ==" may be disturbing ** New Feature * [HHH-1372] - Support for MySQL5 new varchar length ** Patch * [HHH-1005] - Criteria LEFT JOIN capability when adding Order to associations ** Task * [HHH-1373] - Document update versioned Changes in version 3.1.1 (01.13.2006) ------------------------------------------- ** Bug * [HHH-853] - DML-style HQL queries and associations * [HHH-1281] - FORWARD_ONLY ScrollableResults#next() throw GenericJDBCException * [HHH-1286] - Set entity in HQL query without prefix -> incorrect SQL * [HHH-1308] - Session.createFilter(...).iterate() results in bogus column names for result set extraction * [HHH-1314] - float/double literals not sent to the database correctly * [HHH-1316] - SchemaUpdate : java.sql.SQLException: You cannot commit during a managed transaction! * [HHH-1328] - org.hibernate.util.SimpleMRUCache keeps a soft reference to the cache key, so cached values get collected prematurely * [HHH-1336] - ForeignGenerator does not handle transient entities with an entity-name properly * [HHH-1337] - Mapped generated column names incorrect with ImprovedNamingStrategy * [HHH-1349] - HQL delete statement problem due to oracle lacking table aliases in delete clause * [HHH-1361] - creating temporary table for bulk delete will commit current transaction in managed environment such as J2EE ** Improvement * [HHH-1019] - Native SQL return-property mapping doesn't support dot-syntax in return-property for components * [HHH-1290] - Defensive checking of session status * [HHH-1302] - query.getReturnTypes inconsistent * [HHH-1304] - better handling of borrowed connections in non-ON_CLOSE release semantics * [HHH-1309] - schemaupdate does not handle TableHiLoGenerator * [HHH-1339] - empty property name in mapping file gives imcomprehensible error message * [HHH-1344] - ANSI-SQL trim function for SQLServer * [HHH-1345] - ANSI-SQL mod function for SQLServer * [HHH-1346] - ANSI-SQL bit_length function for SQLServer * [HHH-1351] - should be possible * [HHH-1360] - set autodiscovery flag for SQLQueries when resultsetmappings are used Changes in version 3.1 (12.12.2005) ------------------------------------------- ** Bug * [HHH-849] - Cartesian product + implicit joins * [HHH-1065] - user provided connection not usable by default due to agressive release changes * [HHH-1101] - associations join fetched in HQL without owner being selected * [HHH-1133] - Comparators, defined for collections in mapping files, are not set * [HHH-1149] - NPE flushing reattached entity w/ non-mutable natural-id * [HHH-1170] - HQL 'cast' function doesn't work with MySQL 4 when casting to string * [HHH-1187] - Cannot delete a object having a delete-orphan collection when user_rollback_id is set * [HHH-1191] - HQL fails backward compatibility using classic translator * [HHH-1194] - hql delete statements with joined-subclass hierarchies with a mapped where attribute at the root * [HHH-1206] - Mappings.TableDescription is not serializable * [HHH-1212] - mismatch in entity-modes defined in DTD and EntityMode class * [HHH-1227] - ClassCastException on DOM4J replicate of Calendar property * [HHH-1239] - BinaryArithmeticOperatorNode.getDataType() does not properly handle date/time arithmetic * [HHH-1240] - Track connection leakage in JDBCContext.afterTransactionCompletion() * [HHH-1245] - Calling the Session should register it with the current JTA txn. * [HHH-1254] - Serialization of Sessions using JDBCTransactions with auto-flush/auto-close ** New Feature * [HHH-1222] - Autodiscover scalar types in native-sql * [HHH-1243] - allow placeholders to system properties in config properties * [HHH-1244] - Support for MySQL5 stored procedures * [HHH-1260] - Configuration.mergeProperties() ** Task * [HHH-1066] - Upgrade CGLIB to fix proxy memory leak * [HHH-1242] - upgrade ANTLR to 2.7.6rc1 ** Improvement * [HHH-860] - insert ... select ... and version numbers * [HHH-926] - TypeDef should be global * [HHH-1138] - No ConstraintName when using PostgreSQL * [HHH-1144] - Implement naming convention for temporary test failures * [HHH-1153] - PropertiesHelper fails reading primitive values from hibernate-mapping when doc has whitespace * [HHH-1182] - Access to filter metadata * [HHH-1183] - Getting sql "plan" for DML operations * [HHH-1197] - Support for HQL delete on MaxDB * [HHH-1198] - post-insert event pass the entity wo the id field filled when the generator is identity * [HHH-1213] - make JACC event listeners auto configurable (through initialize(Configuration)) * [HHH-1215] - Added support for LVARCHAR in InformixDialect * [HHH-1218] - Add concat() function support to SAPDBDialect * [HHH-1255] - ThreadLocalSessionContext and Session serialization ** Patch * [HHH-967] - executeUpdate on StatelessSession * [HHH-1172] - Missing configuration templates for the new MimerSQLDialect ** Deprecation * [HHH-1229] - deprecate ability for entities to not define identifier properties Changes in version 3.1 rc3 (17.11.2005) ------------------------------------------- ** Bug * [HHH-755] - Setter / Getter for property gDate are wrong * [HHH-764] - XML mapping * [HHH-1034] - The connection is closed *outside* the JTA transaction in TransactionHelper * [HHH-1062] - java:comp/UserTransaction not correct for JBoss * [HHH-1064] - Exception using JTATransaction in WebSphere 6 * [HHH-1069] - Unnecessary commas generated in select with left outer joins * [HHH-1075] - New parser "not exists" command bug * [HHH-1077] - Typo in docs: "equiped" * [HHH-1080] - HQL delete fails on entities with where-fragments using operators other than '=' * [HHH-1081] - missing parens in example code for Criteria Associations * [HHH-1084] - incorrect method name "sql" in Restrictions example, should be "sqlRestriction" * [HHH-1091] - Can't write transparent CurrentSessionContext for BMT * [HHH-1098] - Patch for build.sh to be able to build latest version on linux * [HHH-1106] - HQL "not in" generatad wrong SQL * [HHH-1111] - JDBCTransaction.rollback() results in a call to Interceptor.beforeTransactionCompletion() * [HHH-1128] - Column alias clashes under certain circumstances * [HHH-1146] - latest cvs(11/10/05) hibernate3 issue with classic query * [HHH-1156] - StatefulPersistenceContext not serializable when property-ref is used * [HHH-1160] - Incorrect use of getGeneratedKey() for Oracle ** New Feature * [HHH-449] - korean hibernate reference manual * [HHH-1129] - use expected-type in 'untyped' Query.setParameter() ** Improvement * [HHH-221] - Proxy for one-to-one with property-ref * [HHH-844] - move parameter "bookkeeping" into QueryTranslator * [HHH-1051] - "Compiled" native SQL queries are not cached * [HHH-1061] - import.sql should allow more human readable and usable files * [HHH-1078] - requires type on property * [HHH-1120] - Make NamingStrategy to work nicely with HA and EJB3 naming strategy * [HHH-1142] - added getSelectSequenceNextValString() and getCurrentTimestampSelectString() to TimesTenDialect ** Patch * [HHH-1063] - support for 'locate' function in SQLServer and Sybase dialects * [HHH-1090] - Allow subqueries on criteria to obtain non-string results * [HHH-1095] - Hibernate takes incorrect HasCode when a lot of CompositeKeys and Lazy loading is involved * [HHH-1103] - finalize method filter for proxies * [HHH-1136] - more meaningful AssertionFailure message in org.hibernate.persister.entity.JoinedSubclassEntityPersister.getTableId(...) Changes in version 3.1 rc2 (17.10.2005) ------------------------------------------- ** Bug * [HHH-1045] - Example contains inner classes that aren't serializable * [HHH-1055] - optimistic-lock is not inherited from class to subclass et.al. ** Improvement * [HHH-702] - auto detect aliasing for collection properties (coll.key, coll.id etc.) * [HHH-1038] - make 'auto' the default for hibernate.connection.release_mode * [HHH-1042] - determine "expected type" of parameters during HQL parsing Changes in version 3.1 rc1 (07.10.2005) ------------------------------------------- ** Bug * [HHH-528] - component.manyToOne.id in HQL causes join * [HHH-871] - Configuration.setListener(String type, Object listener) throws ClassCastException * [HHH-873] - referencing raw HQL FromElement alias outide the from clause of update and delete statements generates incorrect sql * [HHH-876] - PreparedStatement being closed before being executed by AbstractBatcher * [HHH-884] - SchemaExport does not propagate parent indexes to tables * [HHH-887] - Aggressive release and Session.connection() * [HHH-893] - custom tuplizer are not instantiated for components * [HHH-905] - $PlaceHolder$ remains in generated SQL when filter is enabled * [HHH-907] - optimistic-lock="false" for timestamped object results in SQLException: Invalid column index * [HHH-908] - CLONE -NullPointerException when using BigInteger in a query * [HHH-911] - CGLIBLazyInitializer and Exceptions * [HHH-913] - NPE in CMTTransaction since javax.transaction.Transaction is never set * [HHH-918] - impossible to move objects to another session * [HHH-924] - Useless OracleErrorCodeConverter (and possibly others) * [HHH-932] - HQL UPDATE and * [HHH-946] - QuerySyntaxException might not be serializable * [HHH-964] - ORA-00936 with joined subclass / Oracle * [HHH-986] - Need to check Thread.currentThread().getContextClassLoader() in ConfigHelper * [HHH-991] - Cannot use comparator class * [HHH-1000] - varchar(xxx char) not supported on Oracle8i ** New Feature * [HHH-950] - interface for SessionFactory.getCurrentSession() handling ** Improvement * [HHH-608] - update HSQLDialect for HSQL 1.8 sequence support * [HHH-889] - Add read-only cache-mode comment in tables * [HHH-887] - Aggressive release and Session.connection() * [HHH-893] - custom tuplizer are not instantiated for components * [HHH-905] - $PlaceHolder$ remains in generated SQL when filter is enabled * [HHH-907] - optimistic-lock="false" for timestamped object results in SQLException: Invalid column index * [HHH-908] - NullPointerException when using BigInteger in a query * [HHH-911] - CGLIBLazyInitializer and Exceptions * [HHH-913] - NPE in CMTTransaction since javax.transaction.Transaction is never set * [HHH-918] - impossible to move objects to another session * [HHH-924] - Removed ErrorCodeConverters * [HHH-946] - QuerySyntaxException might not be serializable ** Improvement * [HHH-898] - OracleDialect UTF8 varchar2 * [HHH-909] - Unquoted primary key in IncrementGenerator Changes in version 3.1 beta 2 (16.08.2005) ------------------------------------------- ** Bug * [HHH-477] - Boolean discriminators generate invalid SQL for PostgreSQL dialect * [HHH-480] - SchemaExportTask ignores some properties not defined in hibernate.properties * [HHH-615] - SchemaExport outputFile ignores ant's basedir * [HHH-770] - hql query execution generates invalid SQL * [HHH-779] - Assertion failure occured with Hibernate 3 saving objects * [HHH-781] - SimpleExpression ignorecase regression * [HHH-799] - merge() and embedded composite identifiers * [HHH-801] - subselect fetch and named parameters * [HHH-802] - querying "mapped" composite identifiers * [HHH-803] - no version increment from delayed collection adds * [HHH-805] - Session.getStatistics().getEntityCount() throws UnsupportedOperationException * [HHH-819] - Firebird CONCAT SQL function * [HHH-821] - query by natural-id cache is not update when object is inserted or deleted * [HHH-822] - will actually pick up tags if it were allowed by the DTD * [HHH-825] - ReadWrite-Cache issues NullPointerException after modification of an array * [HHH-839] - Session.refresh not working for custom 'Load' SQL * [HHH-849] - Cartesian product + implicit joins * [HHH-854] - Class with mapped composite id can't have subclasses * [HHH-858] - Autocommit status inconsistent in connections created by DriverManagerConnectionProvider * [HHH-863] - Hibernate generates "notExists" instead of "not exists" * [HHH-868] - Missing parens after / or - ** New Feature * [HHH-35] - add attribute haltonerror to schemaexport Ant task * [HHH-182] - Mimer SQL Dialect for Hibernate 3 * [HHH-704] - Statistics for optimistic lock failures * [HHH-725] - Allow hooks into all executed sql by a session * [HHH-783] - collection lazy="extra" * [HHH-818] - Optimisitc locking using database current timestamp * [HHH-828] - session.getTransaction() * [HHH-829] - * [HHH-831] - allow database generated property values * [HHH-832] - allow database generated property values for versioning * [HHH-838] - Transaction.setTimeout() * [HHH-840] - allow definition of "auxiliary" database objects in mapping * [HHH-846] - Add Intializable interface for events * [HHH-848] - Validate mappings against JDBC metadata * [HHH-859] - post-commit events ** Improvement * [HHH-133] - schemaexport task: provide independent drop/create output * [HHH-135] - parameterized types can't be used on key-property or ir (possible others) * [HHH-552] - NoopAccessor for HQL-only properties * [HHH-680] - Easier support for doing UserCollectionType's * [HHH-686] - Final classes and classes with private null ctors cause unhelpful NullPointerException * [HHH-754] - Allow HQL DML for implicit polymorphism * [HHH-782] - Avoid unnecessary updates when component property is update='false' but modified * [HHH-786] - Improve lazy options for * [HHH-791] - Use cascade styles when fetching entities in refresh() and merge() * [HHH-815] - Confusing use of the term "dereference" * [HHH-830] - Improvements to caching lazy properties ** Patch * [HHH-378] - Better LockMode.UPGRADE for DB2 UDB v8.2 * [HHH-430] - Improved SizeExpression with greater, lesser, not equals, etc. capabilities * [HHH-735] - SchemaUpdate reads table metadata from wrong schema * [HHH-780] - org.hibernate.proxy.BasicLazyInitializer reflection hotspot * [HHH-864] - Use QUERY_CACHE for sessions with filters to improve performance Changes in version 3.1 beta 1 (21.07.2005) ------------------------------------------- ** Bug * [HHH-145] - union-subclass and oracle 8i * [HHH-374] - EJB3 example delete query doesn't work in Hibernate. * [HHH-447] - EHCache integration prevents multiple session factories * [HHH-488] - JACCListeners are not working at all * [HHH-564] - missing commas for implicit joins * [HHH-577] - joins within subqueries on dbs supporting ansi-joins result in extraneous commas * [HHH-592] - cast() function doesn't know its returned Hibernate type * [HHH-639] - CGLIB instrumentation of subclasses * [HHH-658] - Bug in Alias Name Generation * [HHH-671] - Firebird support of sequences/generators * [HHH-679] - setLockMode(LockMode.UPGRADE_NOWAIT) does not translate to correct SQL on Oracle * [HHH-688] - Bad implementation in org.hibernate.type.CustomType.stringToObject * [HHH-691] - generated column alias is incorrect if there is a prior relationship and the table column names are similar to the table name * [HHH-694] - NPE when accessing the SLCache stats with TreeCache * [HHH-698] - Exception on EG , trying to change immutable id (natural-id) * [HHH-699] - Incorrect Tablename genetaion when using MySQL Dialect and no Schema definition * [HHH-708] - Restrictions.in could not be used properly on composite-ids * [HHH-709] - ArrayType.replaceElements fails if original.length != target.length * [HHH-718] - HQL "fetch all properties" not working for column level lazy props * [HHH-726] - ConstraintViolationException with primitive collection * [HHH-727] - java.lang.StackOverflowError when cascade="true" on both sides of bidirectional one-to-one association using FK * [HHH-734] - HQL incorrectly parses certain query strings * [HHH-736] - Use of sql functions containing space not supported in filter conditions * [HHH-738] - formula property with select-before-update * [HHH-747] - Order.toSQLString generates incorrect statement * [HHH-748] - component dereferencing in subquery from clauses * [HHH-752] - Typo in 8.5.3 bidirectional one-to-one jjoin table example * [HHH-757] - NullPointerException when using BigInteger in a query ** New Feature * [HHH-595] - HQL insert select * [HHH-597] - Named XML resultsetmappings * [HHH-696] - handle discriminators on HQL insert * [HHH-697] - allow bumping versions in HQL update * [HHH-716] - handle version columns in bulk inserts * [HHH-723] - Need to be able to pass in javax.sql.DataSource in SF creation * [HHH-739] - Order.ignoreCase() * [HHH-741] - select clause subselects * [HHH-742] - Stateless session * [HHH-744] - collection fetching in scroll() via "break processing" * [HHH-768] - ** Improvement * [HHH-14] - Add Session.delete(String entityName, Object entity) * [HHH-295] - cleanup and expose the Tuplizers * [HHH-352] - HQL bulk and cache * [HHH-689] - exclude parens for components outside where-clause * [HHH-743] - {coll.key}, {coll.index}, {coll.element}, etc * [HHH-745] - EJB3 composite PK style * [HHH-749] - Cascade merge() and unidirectional one-to-many * [HHH-750] - use attribute name other than 'type' in dynamic-maps * [HHH-753] - Replace antlr System.exit with QueryException * [HHH-769] - property-ref="foo.bar" to a component property * [HHH-772] - null in maps are handled inconsistently * [TODO-18] - optimistic-lock="all|dirty" with components Changes in version 3.1 alpha 1 (24.06.2005) ------------------------------------ ** Bug * [HHH-204] - Wrong/uncommon log name in class ...hql ast ErrorCounter * [HHH-241] - HQL lexer doesn't support unicode quoted strings * [HHH-354] - property named "full" breaks HQL queries * [HHH-493] - WARNING: Keyword 'member' is being intepreted as an ident * [HHH-538] - length() function does not work in SQLServerDialect * [HHH-539] - ClassCastException on mapping a property with a formula in a set of composite elements * [HHH-540] - Mapping a one-to-many collection with a non-null foreign key within a component fails on save * [HHH-547] - Cannot commit using UserCollectionType and debug logging * [HHH-548] - many-to-many faulty delete optimization when filter in use * [HHH-554] - Hibernate 3 HQL to SQL FROM Clause Comma Generation Problem * [HHH-558] - HQL doesn't support multi-byte character in class name and property names * [HHH-559] - quoted multi-byte character in HQL is translated into weird character in SQL. * [HHH-565] - delete-orphan generating AssertionFailure * [HHH-566] - The result is not correct in 'createQuery("select new Foor(x,x) from Foo").scroll()' * [HHH-570] - size operator fails on a many to many in HQL * [HHH-571] - JDK 1.3 Compatibility Issue * [HHH-573] - error when merging entity graph has cascade level>2 * [HHH-575] - org.hibernate.cache.FilterKey is not Serializable * [HHH-589] - parameterized expression inside function * [HHH-594] - order-by mapping for collections overrides order by in HQL * [HHH-601] - New temporary table feature assumes all persisters are ready * [HHH-614] - SchemaUpdate broken in DB2/400 * [HHH-622] - Spelling mistake 'intepreted' in org.hibernate.hql.PARSER warning * [HHH-642] - criterias with projection * [HHH-650] - FilterImpl is Serializable yet FilterDefinition is not * [HHH-657] - Date parse exception using EntityMode.DOM4J * [HHH-666] - JTAHelper.isInProgress( txn.getStatus()) throws NPE when txn null ** New Feature * [HHH-620] - Extra join conditions in HQL * [HHH-640] - short-circuit dirty checking for instrumented classes * [HHH-643] - support mutable="false" for collections * [HHH-645] - Session.setReadOnly() * [HHH-549] - portable to_char() function * [HHH-576] - Hook to pre-process generated select strings in the Dialect * [HHH-662] - Add support for definition of functional composite key ("properties") in joined subclass ** Improvement * [HHH-46] - Allow access to properties that are not joined * [HHH-261] - Stored procedure support for SQLServer dialects * [HHH-351] - multi-table bulk operations * [HHH-574] - improve in naming named-query * [HHH-596] - Auto-detect {..} in native SQL queries * [HHH-641] - create constraints for many-to-one property-ref * [HHH-501] - warn when a final method is tried to be proxied * [HHH-525] - cglib related startup performance * [HHH-557] - Helpful error message for non Serializable classes with a composite-id * [HHH-586] - check immutable natural-ids * [HHH-609] - Adds substr to PostgreSQL dialect * [HHH-618] - documentation bugs ** Patch * [HHH-224] - JDataStore Dialect and updated Testfiles * [HHH-366] - InformixDialect SQLExceptionConverter * [HHH-536] - ImprovedNamingStrategy modifies capitalized column names inappropriately * [HHH-632] - Informix Dialect missing from automatic dialect discovery * [HHH-4] - CachedFile bugfix + configuration + autodetect resource as file Changes in version 3.0.5 (25.5.2005) ------------------------------------ ** Bug * [HHH-516] - Interceptor.onFlushDirty() sometimes not called * [HHH-517] - getDatabaseMajorVersion() not available in JDK 1.3 * [HHH-518] - SQL parser does not recognize all whitespace * [HHH-519] - broken SQL when traversing many-to-many to joined * [HHH-529] - Bug in merge() ** New Feature * added mapping * [HHH-533] - allow unique-key on and * [HHH-534] - efficient cache by natural key * support for on MySQL ** Improvement * [HHH-526] - log "Aggressively releasing JDBC Connection" as DEBUG instead of INFO * various logging improvements Changes in version 3.0.4 (23.5.2005) ------------------------------------ ** Bug * [HHH-452] - UnsavedValueFactory.instantiate does not wrap the Exception it catches * [HHH-456] - Session still holds references to entities after close() * [HHH-457] - Log info for structured second-level cache entries is incorrect * [HHH-466] - Made default for MS SQL dialect definition more flexible * [HHH-473] - Formula can't contain SQL cast keyword * [HHH-484] - Order-by not applied to collections fetched by OuterJoinLoader * [HHH-487] - Possible empty union in UnionSubclassEntityPersister * [HHH-505] - Possible NullPointerException in BigIntegerType * [HHH-507] - Cached List does not show additions * Fixed bugs in subselect fetching ** New Feature * [HHH-455] - Obtain non-intercepted Session by passing an EmptyInterceptor * [HHH-467] - HQL: support for case when then else end IN select clause * [HHH-485] - Support multiple collection join fetches (attention: Cartesian product) in native SQL queries * Added SessionStatistics metric interface * Added support for table and column level blocks * Added Simplified Chinese translation of reference documentation (Xiaogang Cao) ** Improvement * Any query may now join fetch >1 collection role (attention: Cartesian product) * [HHH-454] - Add 2292 integrityViolationCode to Oracle9Dialect * [HHH-503] - Implemented ViolatedConstraintNameExtracter for HSQLDialect (Frank Grimes) Changes in version 3.0.3 (8.5.2005) ----------------------------------- * fixed bug in HQL for composite key classes which have a property named the same as the owning entity's id property * replaced 'connection.aggressive_release' with 'hibernate.connection.release_mode' * added ConnectionReleaseMode * added eager fetch for any associations with fetch=join, even after a HQL query, or cache retrieval (EJB3) * added replicate() isUpdate flag to OnReplicateVisitor, useful for native ids * fixed ParameterizedTypes order of initialization * fixed bug in DB2Dialect * fixed EntityMode.DOM4J creation of duplicate output * fixed JDBCException error code handling * fixed Criteria Restrictions.isEmpty()/isNotEmpty() when collection is mapped to superclass * fixed HQL indexed collections access with no alias * fixed HQL aggregate functions on components when "id" property is used * fixed issue with non-cascading refresh to collections * fixed query-timeout not being applied to bulk HQL (Stephan Fudeus) * fixed pessimistic locking with Firebird (Yuichi Sugimura) * updated Ant 1.6.3 * improved validation of sql queries, throw QueryException if addEntity() nor addScalar() was called * added automatic dialect detection if no dialect is configured * added new tutorial (Michael Gloegl, Christian Bauer) Changes in version 3.0.2 (27.4.2005) ------------------------------------ * fixed union operations on PostgreSQL * fixed HQL concat() function for Oracle dialect * fixed auto-close/auto-flush during getCurrentSession() processing * fixed ClassCastException with EntityMode.DOM4J * fixed HQL dynamic instantiation with iterate() * fixed HQL bug with missing parantheses and implicit joins * fixed bug were Interceptor.getEntity() wasn't called if in cache * fixed bug in merge() of sorted sets * fixed bug in EntityMode.DOM4J with non-lazy embedded many-to-ones * fixed Criteria/Projection ordering bug * fixed HQL referencing component attribute * fixed column duplication detection for components * fixed eager fetching for many-to-many associations * fixed stack overflow with auto_close_session and aggressive_release and unclosed ScrollableResults/HibernateIterator * fixed bug in HQL parser regarding naked property refs which reference component properties * fixed bug with eager fetched arrays not being loaded * fixed bug in filter against joined-subclass * improved CacheMode.GET/IGNORE, disabled cache put * improved HQL support for standard SQL functions, including coalesce() and nullif() * improved filtering of many-to-many associations * added HQL support for cast(x as type) if SQL database supports it * added increment id generation for union-subclass * added ConnectionProvider.supportsAggressiveRelease() for managed environments * added support for caching of queries if filter is enabled * added PreparedStatement count to Statistics * added transactional/nontransactional read()/get() to Cache API * added quotation of schema names * added Distinct to Projection API * added config parameter 'connection.aggressive_release' Changes in version 3.0.1 (18.4.2005) ------------------------------------ * added HQL tuple constructor/comparison feature * added HQL "fetch all properties" override if instrumentation is used for lazy loading * added HQL projection feature, return Lists instead of arrays for projection * added HQL projection feature, return Maps with user-defined HQL SELECT aliases as keys * added HQL support for expressions in aggregation functions * added new IntegrityViolationException to MySQL dialect * added value mapping type 'big_integer' * added not-found="ignore|exception" switch for legacy associations (i.e. broken database integrity) * added fully automatic Session scoping in JTA environments with sf.getCurrentSession() * fixed bug in DTD that wouldn't allow union-subclass in separate file * fixed a MS SQL Server case sensitivity issue with native SQL queries * fixed a minor bug in subselect fetching * fixed case sensitivity in HQL functions * fixed a bug with listener assignment for save() operation (Matthew Inger) * fixed return-property in named SQL queries to work with all identifier names * fixed TransactionManager lookup (again) for WAS 6.0 * fixed a bug with HQL batch delete and MS SQL Server * fixed session not getting closed with auto_close when rollback occured * improved concatentation handling in AST parser * updated dom4j to avoid memory leak in old version * updated C3P0 Changes in version 3.0 (31.3.2005) ---------------------------------- * added support for autoflush/autoclose to HibernateServiceMBean * fixed initialization/session association detection problem of collections * fixed creation of FK constraints to union superclass table * fixed bug where union-subclass table did not get a PK constraint * added a separate log category for HQL parser warnings and errors * fixed bulk delete operation on MS SQL Server * added support for proxying protected methods (Juozas) * added support for unicode quoted strings in new HQL parser * fixed implied joins in subselect WHERE clause in new HQL parser * added SQLServer7Dialect to handle differences in functions * added support for JNDI-bound cache instances, future use for JBoss Cache * added scale attribute to column mappings for numeric precision control * added fetch=subselect for collections * added support for bulk update/delete against discriminator-based inheritence hierarchies * added the ability to use naked property refs in HQL (required in update/delete statements) * updated CGLIB 2.1.0 * fixed NPE at BasicEntityPersister.getPropertyIndex (Todd Nine) * fixed issue with entity-name and subclasses (Sverker Abrahamsson) * fixed issue with correlated subqueries in new HQL parser * fixed a problem with native SQL query mapping and embedded composite identifiers * improved mapping binding, allowing unordered extends for pure entity-name hiearchies * fixed NPE for delete() with deprecated Lifecycle interface * fixed a problem with serial joins ending in component value in new HQL parser * fixed inner join/subselect precedence problem in new HQL parser * fixed indices() function in new HQL parser * fixed a bug in InformixDialect, now correct LIMIT clause * fixed a bug in idbag.remove() (Sebastien Cesbron) * fixed a conflict on OracleDialect between setMaxResult and LockMode.UPGRADE * fixed XML configuration file issue with SchemaExport * fixed an ArrayIndexOutOfBounds problem * renamed executeUpate() to executeUpdate() * fixed batch loading for property-ref entities * fixed loading from cache of collection owner * fixed minor bug in SQL exception reporting * fixed dynamic-component cannot be bound to XML * fixed querying component with formula property * fixed incorrect table alias for order-by on many-to-many * fixed a bug for unidirectional one-to-many with moving child objects * fixed a bug with union-subclasses and persister creation * fixed a HQL concatenation problem on MySQL * fixed a bug where an unnecessary exception was thrown for a property-ref to a superclass property * fixed minor dtd bug * fixed new bug in Clob/Blob support * fixed issue with INDEX_OP and subclass joins on theta-join dialects * fixed some minor issues in query cache regions, including HB-1449 * fixed superflous import and regression bug in verifyparameters * fixed two bugs in select id generator (Malcolm Green) * fixed increment generator for union-subclass mappings * updated JBoss Cache to 1.2.1alpha, fixing locking issues * made stat classes serializable * fixed merge(), now ignores blob and clob fields * added support/dialect for TimesTen * improved algorithm for batch fetching, more aggressive * improved toStrings()s for Statistics objects (Ryan Lynch) * renamed to for externalized SQL query mapping * renamed Session.openSession() for EntityMode to Session.getSession() * added support for CASE in HQL * fixed bug with filters and polymorphic queries * fixed import ordering problem of super/subclass mappings * switched to patched ANTLR 2.7.5, now using context classloader before doing class.forname * TableHiloGenerator now falls back to TableGenerator properly with max_lo < 2 (Emmanuel Bernard) * better transaction handling of TableGenerator in a JTA environment (Emmanuel Bernard) * removed hard coded log4j dependency (Emmanuel Bernard) * added support for stored procedure in named queries (Max Andersen) * added to named SQL queries to allow users to use sql without {}-markup * added multi-column property support to native SQL mapping Changes in version 3.0rc1 (28.2.2005) ---------------------------------- * introduced EntityModes, and XML mapping preview * several minor dialect improvements * fixed a problem where filters were not applied to subclasses * fixed a problem where InstrumentTask would fail if applied to already-instrumented classes * fixed many problems with new parser and made it the default (thanks again to Joshua for the new parser) * implemented bulk update/delete queries for the new parser * fixed a minor bug in the classic query parser * renamed create() to persist() as per EJB3edr2 Changes in version 3.0 beta 4 (11.2.2005) ----------------------------------------- * support unidirection one-to-many with a not-null foreign key * support formulas for index and element of collections * support one-to-ones mapped to formulas * fixed a bug in proxying methods that return "this" * optimized proxies for embededded composite id classes * fixed a bug affecting * fixed a bug caching newly inserted objects * introduced DetachedCriteria * support subselects in Criteria queries * miscellaneous Criteria API enhancements * fixed a problem where hibernate.max_fetch_depth applied to eager fetching via setFetchMode() * use inner joins for join fetching not-null fk associations * support unique="true" in and mappings * union-subclass hierarchies may own collections (dtd bug) * added guid support for Oracle * new mechanism for auto-detecting unsaved-value * pass state array in delete events * improved implementation of hibernate.auto_close_session and hibernate.close_before_completion * fixed a bug where components with only collections would be incorrectly nullified * fixed a bug where criteria queries with projection could not be cached * fixed a problem where duplicate column name aliases could be generated Changes in version 3.0 beta 3 (30.1.2005) ------------------------------------------ * Major rework of Criteria queries, support for projection, grouping, aggregation, ordering by any attribute * various improvements to new HQL parser (Joshua Davis) * fixed a bug where was broken for subclasses with duplicated property names * fixed problems with long types in Oracle DDL generation * added EnhancedUserType, UserCollectionType, UserVersionType * added CacheMode * fixed minor performance problem where cascade delete could add objects to second-level cache * added hibernate.default_batch_fetch_size * added hibernate.cache.use_structured_entries * different classes and collection roles may now share a cache region * don't include discriminators for abstract classes in generated SQL * it is no longer truly necessary for composite identifier classes to implement equals()/hashCode() (but still recommended) * workaround for bug in MySQL InnoDB with self-referential foreign keys * added lazy="true" to many-to-one and one-to-one mappings (requires bytecode instrumentation) Changes in version 3.0 beta 2 (24.1.2005) ------------------------------------------ * added LockAcquisitionErrorCodes to MySQL dialect (Jesse Barnum, Emmanuel Bernard) * added MultipleHiLoPerTableGenerator, one hi value per row/per table (compliant with EJB3) * added a generator handling multiple hi values per table (Emmanuel Bernard) * added events for pre/post SQL operation interception * added experimental support for JACC-aware configuration and events * added full support for implicit polymorphism in Criteria queries * added support annotated classes through XML configuration (Emmanuel Bernard) * added support for WebSphere's weird TxManagerLookup * added support for filters with dynamic-class mappings * added support for lists of parameters in filters * added support for scalar queries in createSQLQuery (Michael Gloegl) * added support for scalar results in native SQL queries (Michael Gloegl) * fixed SchemaExport/SchemaUpdate, now respect default_schema and default_catalog (Michael Gloegl) * fixed a bug in one-to-one mapping with property-ref * fixed a bug in the query cache lookup routine * fixed compilation problems on IBM JDK 1.4. and JDK 1.3.1 * fixed custom SQL for loading when using composite identifiers * fixed exception thrown from optimistic locking failures * fixed support for limit queries (select first ?) in Informix * improved SchemaExport/Update, now respect default_schema and default_catalog * improved dialect handling, throw an exception if no dialect has been set * improved loading of mappings, no ordering of super/subclasses required anymore * improved statistics for second-level cache * improved table generators for hi/lo, can now be used in a JTA environment (Emmanuel Bernard) * query engine: added support for 'trim([leading | trailing | both] [expression from] expression)' * query engine: added support for DISTINCT and ALL * query engine: added support for FETCH * query engine: added support for HAVING count() * query engine: added support for HQL NOT IN and EJBQL '[NOT] MEMBER OF' * query engine: added support for ORDER BY COUNT(*) * query engine: added support for collections of scalar values * query engine: added support for literals in constructor select expressions. * query engine: added support for select elements(..) from Foo f * query engine: added support for template functions in the SELECT clause * query engine: fixed NOT LIKE * query engine: introduced EMPTY and added it to constant (support for IS [NOT] EMPTY) * updated dom4j, OSCache, EHCache, JBoss Cache, Xerces, Xalan, and Log4j * associated class where filter now applies to Changes in version 3.0 beta 1 (21.12.2004) ------------------------------------------ * reimplemented HQL using an ANTLR-based AST parser (Joshua Davis) * added class="select" id generator * added Query.setReadOnly() * added hibernate.order_updates * introduced cascade refresh * added typed JDBC exceptions (Steve Ebersole) * improved lifecycle for CacheProviders (Steve Ebersole) * added Expression.isEmpty() * fixed some minor mapping DTD bugs (Ben Sommerville) * fixed auto-commit mode for SchemaUpdate * added default-lazy to , which defaults to true! * added fetch="join|select" and deprecated outer-join attribute * fixed a bug where was not used for entities with "identity" id generation * fixed some problems with dynamic-class * added property-level optimistic-lock attribute, to allow an unchecked property * cascade lock() now cascades with LockMode.NONE * fixed some bugs in filter handling (Steve Ebersole) * added hibernate.transaction.flush_before_completion and hibernate.transaction.auto_flush_session * added JSR-220 compliant create() and merge() operations * cascade attribute is now multi-valued, with values save-update,create,merge,delete,delete-orphan,lock,evict,replicate,all-delete-orphan * index and unique-key attributes may now be multi-valued * introduced unsaved-value="undefined", the default for "assigned" ids and , which forces Hibernate to hit the db * primitive typed property mappings now default to unsaved-value="0" * added ScrollMode * added dialect for Derby (Simon Johnston) * added MySQLMyISAMDialect and MySQLInnoDBDialect * added precision and scale mapping attributes, for numeric types in DDL * fixed a problem with duplicate column mappings on Sybase * read-write cache now uses version numbers to ensure consistency with database, if available * native SQL queries may now fetch a collection role (Steve Ebersole) * added sequential-select, optional and inverse attributes to * added element, which can be the target of a property-ref * fixed a bug relating to composite property-refs * Hibernate now much more robust if user does not implement equals()/hashCode() on id and unique key classes * enabled batch deletes for versioned data * fixed a minor bug in Session.close() * removed uuid.string and renamed uuid.hex to plain uuid * workaround for a MySQL bug in SchemaUpdate * added JDBCException.getSQL() and made various improvements to exception flow * createSQLQuery() now fully supports components * fixed a bug in SQL generation for mappings * fixed a bug where filter and query parameters could be bound in the wrong order (Steve Ebersole) * fixed a problem where quantifiers could not appear in SQL fragments * fixed a bug with dynamic components * fixed a bug where Dialect default properties overrode user-specified properties (Ben Sommerville) * fixed a bug where duplicate column name in a joined table caused an exception * implemented two-phase load for dynamic components * fixed a bug where cancelQuery() canceled a re-pooled statement * deleted collections are now removed from session-level cache * fixed a bug in LocaleType (Steve Ebersole) * use "with rr" to obtain UPGRADE locks in DB2 * package attribute now significant for extends * fixed a minor problem with Hibernate Clobs and Blobs * extends attribute does no longer require specific ordering of mapping files Changes in version 3.0 alpha (23.8.2004) ---------------------------------------- * package rename net.sf.hibernate -> org.hibernate * checked exceptions are now runtime exceptions * some session methods deprecated and moved to org.hibernate.classic.Session * removed various deprecated functionality * added Filter API and mappings, for temporal, regional and permissioned data (Steve Ebersole, Gavin King) * support cascade delete via ON DELETE CASCADE constraint * added extra attributes to named query definition * added hibernate.use_identifier_rollback * added subselect mappings * added lazy="true" to property mappings * added for multitable mappings * added for table-per-concrete-class strategy * added Statistics API and JMX MBean (Gavin King, Emmanuel Bernard) * introduced new event-driven design (Steve Ebersole) * support for faster startup with Configuration.addCachableFile() (Joris Verschoor, Max Andersen) * mask connection password for log level greater of equals to info (Joris Verschoor, Emmanuel Bernard) * add check of named queries when building SessionFactory (Joris Verschoor, Emmanuel Bernard) * added custom EntityResolver setting capability (Emmanuel Ligne, Emmanuel Bernard) * PropertyValueException for null values in not-null properties of components (Emmanuel Bernard) * enhanced support for single- and no-argument sql-functions in HQL select clause (Michael Gloegl) * Added catalog element, to enable table names like catalog.schema.table (Michael Gloegl) * Added , and support (Max Andersen) * Support callable statements (stored procedures/functions) via callable="true" on custom sql (Max Andersen) * Added support for type parameters and typedefs (Michael Gloegl) * Added support for JDBC escape sequences in createSQLQuery (Max Andersen) * Added statistics per SessionFactory (Gavin King, Emmanuel Bernard) * Added a StatisticsService MBean for JMX publucation (Emmanuel Bernard) * support for updates via rownum in Oracle * fixed problems with SchemaUpdate * support for * added hibernate.use_sql_comments * added property-ref to collection * fixed performance problems with * enhanced UserType with new methods assemble()/disassemble() * better algorithm for batch fetch batch sizes * added * added entity-name concept, and session methods save(entityName, object), update(entityName, object), etc * added framework in proxy package * native SQL queries may now fetch a collection role * added for class and collection mappings * added getEntity() and getEntityName() to Interceptor * formula-based discriminators and association mappings * added "guid" id generation strategy * various improvements to dialects * now acts as a filter on collections * where filters now apply in the on clause in an outer join * added hibernate.jdbc.factory_class to select a custom batcher * session now uses entity name + id to enforce uniqueness, instead of table name + id Changes in version 2.1.6 (9.8.2004) ------------------------------------ * fixed Quickstart/readme.txt instructions * fixed DB2/400 identity column support * fixed the scroll() query method * fixed exotic classloader problems with CGLIB * added insert="false" for discriminator columns which are part of a composite identifier * added several new configuration settings to JMX HibernateService * added new instantiate() method to SessionFactory.getClassMetadata() * improved the HSQL DB dialect with features from new version * added hibernate.jdbc.batch_versioned_data (Steve Ebersole) 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) * much better implementation of scroll() (Steve Ebersole) * support "select new ..." for iterate() and scroll() (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