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releasenotes.txt
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Build 5.3.4
=============================
Release notes - NHibernate - Version 5.3.4
6 issues were resolved in this release.
** Bug
* #2580 InvalidWithClauseException when join polymorphic entity
* #2559 Regression in caching linq query with ThenFetchMany statement.
* #2549 ApplyFilter does not work on join statements in LINQ
* #2537 Unable to cast "System.Linq.Expressions.UnaryExpression" to "System.Linq.Expressions.LambdaExpression".
** Task
* #2578 Add missing possible breaking changes for #2365
* #2587 Release 5.3.4
As part of releasing 5.3.4, one missing 5.3.0 possible breaking change has been added, about
custom method generators for Linq. See 5.3.0 possible breaking changes.
Build 5.3.3
=============================
Release notes - NHibernate - Version 5.3.3
16 issues were resolved in this release.
** Bug
* #2519 Fix parameter caching for Linq provider
* #2515 InvalidCastException for Linq query with subquery
* #2514 Entity with field interceptor are not correctly passed as Linq parameters
* #2512 Linq queries with a condition after a projection on a collection fail
* #2511 Linq Fetch over component after fetching a many-to-one throws exception
* #2508 OnPreUpdateCollection - Passed entity instance X is not of expected type Y
* #2499 Cast operation fails when an enum is mapped as an AnsiString
* #2490 Unnecessary cast in sql with Linq are causing performance issues
* #2488 Fix parameter detection for Equals and CompareTo methods for Linq provider
* #2485 Throw entity not mapped exception for entity join in hql if possible
* #2484 Entity Joins are not polymorphic in hql
* #2476 Hashset add returns true instead of false
* #2474 Fetch all lazy properties when entity is already loaded fails
* #2471 AsQueryable() on collection throws if applied after Where statement
** Task
* #2482 Add missing possible breaking changes for #2010
* #2527 Release 5.3.3
As part of releasing 5.3.3, two missing 5.3.0 possible breaking changes have been added, about
uninitialized extra lazy collections and SQLite schema validation. See 5.3.0 possible breaking changes.
Build 5.3.2
=============================
Release notes - NHibernate - Version 5.3.2
6 issues were resolved in this release.
** Bug
* #2468 Null reference at NHibernate.Util.AsyncReaderWriterLock.ReadLock()
* #2465 Linq contains on a value collection is failing
* #2463 Path expected for join
* #2458 Evaluatable expressions with parameters are no more pre-evaluated
* #2453 Fail to cast enum as nvarchar for Linq Contains
** Task
* #2472 Release 5.3.2
Build 5.3.1
=============================
Release notes - NHibernate - Version 5.3.1
7 issues were resolved in this release.
** Bug
* #2445 LINQ queries with a cast from int to uint fail
* #2440 InvalidCastException for Future Criteria with aliased fetches
* #2439 Invalid parameter conversion for enums
* #2437 Invalid cast on nullable custom type with Linq
** Task
* #2450 Release 5.3.1
* #2436 Fix old http://nhibernate.info URIs
* #2435 Fix iconUrl warning
Build 5.3.0
=============================
Release notes - NHibernate - Version 5.3.0
220 issues were resolved in this release.
##### Possible Breaking Changes #####
* A distributed cache may hold conflicting timestamps after upgrade for as much as twelve hours.
Consider flushing a distributed cache after upgrade to avoid any issue. Do not share a distributed
cache with applications using an earlier version of NHibernate.
* The counter id generator may generate conflicting ids for as much as twelve hours after upgrade.
* `update` and `delete` statements will now take into account any enabled filter on the entities
they update or delete, while previously they were ignoring them. (`insert` statements will also take
them into account, but previously they were failing instead of ignoring enabled filters.)
* ISession.Persist will no more trigger immediate generation of identifier.
* Bags will no more be loaded with "null" entities, they will be filtered out.
* Setting the value of an uninitialized lazy property will no more trigger loading of all the lazy
properties of the entity.
* If an uninitialized lazy property has got its value set, without any other subsequent lazy property
load on the entity, a dynamic update will occur on flush, even if the entity has dynamic updates
disabled. This update will occur even if the set value is identical to the currently persisted
property value.
* Assigning an uninitialized proxy to a `no-proxy` property will no more trigger the proxy
initialization. Moreover, reading the property afterwards will no more unwrap the assigned proxy,
but will yield it.
* A class having an explicitly implemented interface declaring a member with the same name than the
class id will have its proxies trigger a lazy load if the interface "id" is accessed.
* SQLite: in order to avoid a floating point division bug losing the fractional part, decimal are now
stored as `REAL` instead of `NUMERIC`. Both are binary floating point types, excepted that `NUMERIC`
stores integral values as `INTEGER`. This change may cause big integral decimal values to lose more
precision in SQLite.
* SQLite: non supported SQL type names previously used by NHibernate, resulting in unexpected actual typing,
have been fixed. This causes databases generated by a previous NHibernate version to fail schema validation
by 5.3 or higher versions. See #2507 for more information.
* Custom dialects used for databases that do not support cross join will have to override
`SupportsCrossJoin` property and set it to `false`.
* `VisitorParameters.ConstantToParameterMap` may contain the same parameter for multiple constant
expressions.
* `ICache` caches yielded by the session factory will be `CacheBase` wrappers around the cache actually
provided by the cache provider, if it was not deriving from `CacheBase`.
* Calling `IList.RemoveAt` or `IList<>.RemoveAt` on an uninitialized list with a negative number
will now throw an `ArgumentOutOfRangeException`.
* Calling `IList.RemoveAt` or `IList<>.RemoveAt` on an uninitialized list mapped as `lazy="extra"`
with a number that is equal or higher that the current collection size will now throw an
`ArgumentOutOfRangeException`.
* Calling `IList.Insert` or `IList<>.Insert` on an uninitialized list with a negative number will
now throw an `ArgumentOutOfRangeException`.
* Calling `IList.Insert` or `IList<>.Insert` on an uninitialized list mapped as `lazy="extra"`
with a number that is higher that the current collection size will now throw an
`ArgumentOutOfRangeException`.
* Getting or setting a value with `IList.this[int index]` or `IList<>.this[int index]` on an uninitialized
list with a negative number will now throw an `ArgumentOutOfRangeException`.
* Setting a value with `IList.this[int index]` or `IList<>.this[int index]` on an uninitialized list
mapped as `lazy="extra"` with a number that is equal or higher that the current collection size will now
throw an `ArgumentOutOfRangeException`.
* Calling `IDictionary<,>.Add` or `ICollection<>.Add` on an uninitialized map mapped as `lazy="extra"` with
a key that already exists will now throw an `ArgumentException`.
* Calling `IDictionary<,>.Remove` or `ICollection<>.Remove` on an uninitialized map mapped as `lazy="extra"`
with a key that does not exist will now return false.
* Map dirtiness is now evaluated by `EqualityComparer<TValue>.Default` when setting an existing key value
with `IDictionary<,>.this[]` on an initialized map.
* Calling `ISet<>.Add` on an uninitialized set mapped as `lazy="extra"` with a transient element that
already exists in the set will now return false.
* Calling `ISet<>.Add` or `ICollection<>.Add` on an uninitialized set mapped as `lazy="true"` with a
transient element that does not override `Equals` method will not initialize the collection.
* Linq custom generators deriving from `BaseHqlGeneratorForMethod` should override the
`TryGetCollectionParameter` method if they have to support parameter lists.
** Bug
* #2425 NRE with nullable subselect value in Linq
* #2421 Chapter 26: Best Practices, error about identifier recommendations
* #2410 Second level cache failures with CoreMemoryCaches
* #2380 OData NotSupportedException MemberInit on base class member
* #2365 Add Linq parameter type detection
* #2346 Fix SQLite typing
* #2336 Intermittent null reference exception on CloseConnection
* #2324 Update IIsEntityDecider to use ExpressionsHelper.TryGetMappedType
* #2319 Upgrade AsyncGenerator to 0.18.1
* #2299 Proper query plan caching for DML LINQ queries
* #2286 Wrong sql if used joined-subclass with filters for key columns
* #2278 IInterceptor.OnPrepareStatement results not used in insert/update commands
* #2266 Fix comment for Restrictions.IsEmpty
* #2255 Fix a flaky test
* #2245 Add sqlite.binaryguid to configuration schema
* #2244 SelectMany Linq extension does not work correctly - subsequent FetchMany fails
* #2233 Fix possible issue with async code for delayed entity inserts
* #2231 Invalid alias name used in Linq Joins
* #2222 NHibernate query plan for Linq Dml is not cached
* #2219 Fix BuildTool output path
* #2215 Fix ShowBuildMenu.sh
* #2181 Skip null entities when bag is populated
* #2164 Do not call GC.SuppressFinalize from finalizer thread
* #2158 Proper support for IN clause for composite values in Criteria
* #2147 Improve async locking
* #2144 AdoTransaction memory leak (5.2.5)
* #2137 NullReferenceException in EntityEntry.GetLoadedValue on an update of a never loaded detached entity
* #2099 "Composite Index" not working with inheritance
* #2088 Fix cacheable CreateSQLQuery throws on query with AddJoin
* #2085 Duplicated methods generated in proxies
* #2067 Wrong proxy built for base class with interfaced sub-classes
* #2064 One-to-one properties not appearing in Select() projection result set
* #2053 Dml Style Update fails with static where sql in mapping
* #2038 Fix a typo on the memcached distributed cache description in the docs
* #2029 Incorrect SQL for cast inside an aggregate (MS SQL)
* #2019 Update symbol package format and add Sourcelink
* #2000 Fixed Equals method for transformers
* #1997 Fix criteria collection ordering
* #1994 Extra Select for every "outfiltered" Element
* #1993 InvalidCastException when merging a collection with a lazy property
* #1985 DateTime.xxxx are not supported in SelectGroup
* #1965 Fix code sample in docs, section 10.4.2
* #1956 Fix lazy property caching
* #1921 DML insert fails when a filter is enabled
* #1738 Refresh of locally removed collection item crashes with "instance was not in a valid state"
* #1480 Fix cache build for honoring mapped concurrency
* #1368 NH-3778 - Crash when performing a Linq query on a one-to-one mapped reference
* #1341 NH-3848 - Child collection fetched using left outer join with on clause or where clause restrictions on fetched collection shouldn’t be stored in second level cache.
* #1319 NH-3549 - BasicFormatter throws exceptions for certain types of data containing "signal words"
* #1312 NH-3493 - Cannot use alias between more than 1 level of nested queries
* #1310 NH-3478 - StatefulPersistenceContext.RemoveEntity KeyNotFoundException on Evict
* #1309 NH-3469 - Impossible to load one-to-one association with LINQ for composite-id
* #1274 NH-3117 - Query on one-to-one property returns incorrect results
* #1263 NH-2991 - Criteria withClause doesn't work in case of many to many collections
* #1228 NH-2648 - HQL with joins in sub-select creates wrong SQL
* #1206 NH-1761 - Criteria query inserts an extra order by expression when using JoinType.LeftOuterJoin and Projections
* #1158 NH-3492 - SqlClientBatchingBatcher incorrectly ignoring per-SessionFactory Settings properties
* #1128 NH-3210 - NHibernate Linq Provider does cross join or left outer join and not inner join (even if outer-join=false on many-to-one mapping)
* #1124 NH-3155 - Linq subquery with group is not supported
* #1125 NH-3178 - Exception when using one-to-one properties in a criteria projections
* #1117 NH-3079 - Cannot use a sql custom loader with a composite ID
* #1107 NH-2983 - Coalesce in projection doesn't work if there is more than 1 Coalesce
* #1103 NH-2926 - CriteriaQuery - Unable to sort by composite-id
* #1100 NH-2892 - The <key /> columns containing reserved words are not quoted
* #1059 NH-1001 - Select statement issued for each not-found=ignore
* #1047 NH-3865 - Swallowed ArgumentNullException with dynamic composite id
* #1015 NH-2951 - Missing alias in hql update (select) statement with joined subclasses
* #1006 NH-2714 - Properties mapped inside a <properties> group are not set when retrieving object
** New Feature
* #2411 Add an option to register a custom pre-transformer for a Linq query
* #2392 Add locate support for SQLite
* #2362 Add support for lt, gt, le, ge oData operators on strings
* #2349 Add support for Oracle binary floating point types
* #2347 Support fetching individual lazy properties for Criteria EntityProjection
* #2327 Add cross join support for Hql and Linq query provider
* #2313 Add overloads to ISession.Get taking both an entityName and a lockMode
* #2259 Schema auto-update should throw errors
* #2221 Support MemberInit expression in group by
* #2216 Add a driver to support Microsoft.Data.SqlClient provider
* #2209 IN clause support in hql for composite keys on databases without row value constructor support
* #2156 Support basic arithmetic operations (+, -, *, /) in QueryOver
* #2135 Support OData GroupBy/Aggregate
* #2116 Ability to replace ConfigurationManager with a custom config provider
* #2108 Multi-Tenancy: Implement tenant per Database strategy
* #2107 Port Hibernate's Aggregate functions for subqueries
* #2106 Port Hibernate's support subqueries in HQL as CASE statement alternatives
* #2100 Allow to override default types with length or precision parameters
* #2097 Add support for fetching an individual lazy property with Criteria
* #2090 Add support for caching fetched relations with Criteria
* #2080 Add ability to set custom collection type as a string in mapping by code
* #2049 Fix property-ref ignoring not-found="exception" mapping
* #1949 Port Hibernate's lazy attribute fetch groups
* #1922 Add support for fetching an individual lazy property with hql and linq provider
* #1861 Lazy loading and Eager initialization for Component
* #1376 Composite id is incorrectly expanded in SQL
* #1195 NH-4078 - LINQ fetched collections aren't cached
* #981 NH-3873 - Explicit joins on unrelated classes
* #959 NH-4048 - Support non-deterministic/db-side-only methods in Linq
* #896 NH-1432 - Expression.Sql should support aliases other than {alias}
** Improvement
* #2404 Allow overriding default CastFunction
* #2401 Optimize JoinWalker.WhereString method
* #2399 Optimize PersistentGenericBag.EqualsSnapshot
* #2394 Optimize PersistentGenericSet snapshot
* #2352 Improve performance of ReflectHelper.GetMethod/Definition
* #2350 Optimize LINQ batch item processing for queries with overridden result type
* #2316 Add multiple arguments support for ISQLFunction
* #2315 Add SetFlushMode for QueryOver and Linq
* #2295 Optimize filter applying logic
* #2287 Allow customizing 'alias to bean' property not found behavior
* #2284 Make persistent collection classes implement the IReadOnly* interfaces
* #2270 IQueryOver<T> is lacking some options
* #2254 Add dev build version suffix
* #2249 Improve handling of SqlCeParameter.SqlDbType
* #2248 Remove most RemoveAsAliasesFromSql usages
* #2241 Avoid duplicating parameters in LINQ query
* #2238 Call generic query.List from Linq queries
* #2235 Configure log4net from embedded resource log4net.xml in tests
* #2232 Use SqlStringBuilder for batching Future/QueryBatch queries
* #2226 Use DateTime.UtcNow for timestamps
* #2225 Avoid unnecessary locking via MethodImplOptions.Synchronized
* #2223 Short-Circuit SessionFactoryImpl.Close() when already closed
* #2214 Allow configuring auto-join transaction globally
* #2213 Add a shortcut to reduce Transaction.Current reads
* #2211 Port SupportsRowValueConstructorSyntaxInInList values
* #2182 Upgrade AsyncGenerator to 0.17.1
* #2166 Optimize usages of SqlString.Append
* #2163 Add virtual DefaultQueryProvider.CreateWithOptions
* #2162 Use collection types for private members
* #2161 Optimize ToArray conversions
* #2159 Unify handling of composite values in hql and Criteria
* #2153 Use generic parameters in ActionQueue
* #2139 Add ability to set fetch for <one-to-one> mapping in mapping by code
* #2131 Create Stopwatch only if stats is enabled
* #2126 Upgrade AsyncGenerator to 0.14.0
* #2125 Skip logger default initialization logic when logger provided by user
* #2123 Use Assert.Throws instead of try-catch in tests
* #2119 Obsolete interfaces for Loquacios configuration and use config classes directly
* #2117 Replace array concatenation with hand written append
* #2115 Statefull Session commit performance issue when nothing changed and second level cache with query cache enabled
* #2091 Obsolete StringHelper.Join
* #2084 Improve one-to-one handling in queries
* #2082 Use entities prepared by Loader in hql select projections
* #2078 Avoid unnecessary join for entity comparisons in with clause
* #2071 Support subclass mapping with EntityName based base class mapping
* #2061 Reduce cast usage for COUNT aggregate and add support for Mssql count_big
* #2058 DB2 dialect enhancements
* #2056 Optimize GetOrphans and remove wrong checks from IsNotTransientSlow
* #2041 Hql entity join fixes
* #2039 Use generic CollectingNodeVisitor in hql parser
* #2036 Reduce cast usage for aggregate functions
* #2032 Allow using ON instead of WITH in hql
* #2024 Refactor to simplify netfx retargeting
* #2022 Make CancellationToken optional for async Linq DML queries
* #2010 Add new collection operation queue mechanism
* #2009 Add support for IDictionary<string, object> to IQuery.SetProperties
* #2007 Dispose session in cascade tests
* #2006 Skip Topological sorting if not required
* #2003 Avoid some cases of Type -> string -> Type conversion in Mapping By Code
* #2002 Refactor DependentAlias handling logic in JoinWalker
* #1999 Optimize DistinctRootEntityResultTransformer
* #1989 Optimize ProxyCacheEntry equality for the same instance
* #1988 Improve exception on user types lacking some interfaces
* #1984 Reduce SessionIdLoggingContext creation
* #1981 Remove AbstractLazyInitializer unused field
* #1979 Refactor sequential select
* #1977 Obsolete IDeserializationCallback from EntityKey
* #1972 Port Hibernate's EntityKey optimization
* #1968 Optimize StaticProxyFactory GetProxy and GetFieldInterceptionProxy methods
* #1955 Optimize batchable cache calls for cached queries
* #1947 Partially port Hibernate's current field interceptor mechanism
* #1946 Port Hibernate's BytecodeEnhancementMetadata
* #1944 Extend IAccessOptimizer to support getting/setting single property value
* #1943 Skip initialization of lazy properties when setting one
* #1923 Obsolete StringHelper.Replace
* #1860 LINQ "==" operator generates OR with IS NULL
* #1754 Delay entity insert on Persist until session is flushed
* #1627 Refactored session List<T> method for Criteria
* #913 NH-3704 - Allow Setting Dynamic Component Templates From Dictionary
* #864 NH-2379 - Add support of Left Joins to Linq Provider
* #803 NH-2521 - Session.EnableFilter method should work for HQL-DML statement
* #780 NH-1200 - Exception occurs when using criteria exist queries
* #767 NH-3892 - Add ability to coalesce using a property instead of a constant
* #722 NH-1953 - Support Future for collection filters
* #476 Eliminated double Persister resolution in Loader.InstanceNotYetLoaded flow
** Task
* #2433 Improve slightly mapping documentation
* #2432 Document the caches configuration providers
* #2430 Document cache.serializer setting of CoreDistributedCache
* #2397 Update GitReleaseManager
* #2391 Use latest Firebird for AppVeyor and Travis
* #2388 Release 5.3
* #2382 Refactor debug logging in AbstractBatcher
* #2381 Use optimized Dictionary.Remove(key, out value) in .NET Core
* #2379 Simplify swap items logic in LINQ Visitors
* #2377 Use dotnet to push packages to nuget
* #2376 Add MyGet gallery link to readme
* #2368 Replace SafetyEnumerable<T> with OfType<T> where applicable
* #2363 Upgrade AsyncGenerator to 0.18.2
* #2356 Obsolete IdentitySet class
* #2354 Do not require Mono to build on not Windows
* #2353 Update Microsoft.SourceLink.GitHub to 1.0.0
* #2351 Get rid of JoinedEnumerable<T> and SingletonEnumerable<T>
* #2348 Use static ReferenceComparer for reference comparisons
* #2308 Merge 5.2.7
* #2294 Add StackExchangeRedis cache provider documentation
* #2293 Update RtMemoryCache framework dependency
* #2265 Fix code style issues
* #2251 Publish development nightly builds on nuget
* #2205 Merge 5.2.6
* #2171 Upgrade NUnit
* #2122 Update AsyncGenerator to 0.13.3
* #2016 Avoid recursive calls in BatchFetchQueue
* #2014 Obsolete Environment.Properties
* #1973 Investigate licenseUrl deprecation
* #1971 Add SourceLink to allow NuGet package debugging
* #1940 Allow to provide dev specific properties in NHibernate.dev.props
* #1936 Upgrade AsyncGenerator to 0.13.1
** Tests
* #2384 Tests to verify NH-2329 is obsolete
* #2360 Add OData test for single property $expand
* #2089 Bidirectional list fails if session only knows about child
* #2066 Tests for proxy interface handling
* #1966 Test duplicated join on some Linq queries
Build 5.2.7
=============================
Release notes - NHibernate - Version 5.2.7
4 issues were resolved in this release.
** Bug
* #2302 Backport sqlite.binaryguid to configuration schema
* #2298 Dml Linq Update Produce Wrong Sql
* #2296 Missing Row Count in Debug Log for Future queries
** Task
* #2303 Release 5.2.7
Build 5.2.6
=============================
Release notes - NHibernate - Version 5.2.6
11 issues were resolved in this release.
** Bug
* #2190 Cannot instantiate a SessionFactory using Prevalence cache
* #2177 New Fetch() method in QueryOver returns IQueryOver<> instead of QueryOver<>
* #2172 Using DependentTransaction fails
* #2175 Subcriteria on component collection generates incorrect join alias
* #2173 Futures not batching correctly in NH 5.2.x
* #2141 Undefined call to Equals object in collection during flush just before commit
* #2127 StackExchangeRedisCache with PreferMultipleGet = true calls GetMany multiple times
* #2110 Wrong GUID to string conversion with SQLite BinaryGuid=False
** Task
* #2200 Release 5.2.6
* #2199 Upgrade AsyncGenerator to 0.8.2.12
** Tests
* #2132 Add GetMany for ReadWriteCache tests
Build 5.2.5
=============================
Release notes - NHibernate - Version 5.2.5
5 issues were resolved in this release.
** Bug
* #2075 Missing cast when comparing a guid and string columns in SAP SQL Anywhere
* #2046 Fix nullable Guid ToString is not translated correctly on some dialects
* #2043 System.Reflection.TargetException when an interface is used as class mapping proxy definition
* #2040 Incorrect SQL when comparing a guid and string column in Sql Server
** Task
* #2086 Release 5.2.5
Build 5.2.4
=============================
Release notes - NHibernate - Version 5.2.4
3 issues were resolved in this release. The dialect change has the side effect of
re-enabling a hack used by NHibernate.Spatial, allowing Spatial users to upgrade
to NHibernate 5.2.x. See NHibernate.Spatial#104.
##### Possible Breaking Changes #####
* Using DML on an entity collection was applying the changes without
filtering according to the entity. It will now throw a
NotSupportedException.
** Bug
* #2020 Throw for DML on filter
* #2011 Use a statically resolved dialect when building the session factory
** Task
* #2030 Release 5.2.4
As part of releasing 5.2.4, a missing 5.2.0 possible breaking change has been added about
property-ref on null values. See 5.2.0 possible breaking changes.
Build 5.2.3
=============================
Release notes - NHibernate - Version 5.2.3
1 issue was resolved in this release.
** Bug
* #1964 Unable to serialize session because SerializationFieldInfo is not marked as serializable
Build 5.2.2
=============================
Release notes - NHibernate - Version 5.2.2
3 issues were resolved in this release.
** Bug
* #1953 Query space invalidation doesn't work for bulk actions
* #1269 NH-3069 - Cannot use Session.Lock with Version column on abstract base class
** Task
* #1957 Release 5.2.2
Build 5.2.1
=============================
Release notes - NHibernate - Version 5.2.1
5 issues were resolved in this release.
** Bug
* #1928 JoinAlias on JoinQueryOver fails
* #1920 ISession.Get may fail with a null exception
* #1918 Property-ref on many-to-one with composite id fails
** Task
* #1932 Release 5.2.1
* #1927 Add missing possible breaking change
As part of releasing 5.2.1, a missing 5.2.0 possible breaking change has been added about duplicated columns
in mapping. See 5.2.0 possible breaking changes.
Build 5.2.0
=============================
Release notes - NHibernate - Version 5.2.0
157 issues were resolved in this release.
##### Possible Breaking Changes #####
* Entities having many non-readonly properties (including many-to-one) mapped to
the same column will no more silently ignore the trouble till an insert or update
is attempted. They will now cause the session factory built to fail. When
mapping many properties to the same column, all of them excepted at most one
should be mapped with `insert="false" update="false"`.
* Mappings mixing column elements and formula elements were taking into account
only the formula elements. They will now take into account all elements.
* Mappings mixing column elements and/or formula elements with a column attribute
or a formula attribute were silently ignoring the attribute. They will now throw.
* Mappings mixing a column attribute and a formula attribute were silently doing
some best effort logic, either considering this as a two columns mapping, the
second one being the formula (most cases), or only taking into account the
formula (case of the `<element>` mapping). They will now throw.
* NHibernate StringType has gained case-sensitivity and culture parameters.
Previously it was ignoring parameters. This type may change its behavior
for any mapping having defined parameters for this type. See #1833.
* Mapping a dynamic component with a Hashtable property instead of an
IDictionary is no more supported.
* Querying a dynamic entity as a Hashtable instead of an IDictionary is no more
supported.
* A collection mapped with a `property-ref` will no more support being accessed
when the referenced property is null. It will throw. Previously, the collection
was not throwing but was always loaded empty.
* With PostgreSQL, a HQL query using the bitwise xor operator "^" or "bxor"
was exponentiating the arguments instead. It will now correctly apply the xor
operator. (# operator in PostgreSQL SQL.)
* Auto-generated constraint names will not be the same than the ones generated
with previous NHibernate versions under .Net Framework. (Under .Net Core those
names were anyway changing at each run.) The new ones will be the same
whatever the runtime used for generating them.
* Some generated PK names may change, if a table name has a quoting symbol at
precise 13th character.
* The WcfOperationSessionContext has been removed from .Net Core and .Net
Standard builds. See #1842.
* Some classes, which were not serializing the session factory, do now serialize it.
In case of cross-process serialization/deserialization, these session factories
will need to be properly named, by setting the session_factory_name setting in the
configuration used to build them. This may mainly affect users of a distributed
second level cache, if their cache implementation uses binary serialization.
Affected classes are: CacheKey, CollectionKey, EntityKey and EntityUniqueKey.
* Some types cache representations have changed. Out-of-process second level
caches should be cleared after upgrading NHibernate, if some of those types
were cached. The concerned types are: CultureInfoType, TypeType, UriType,
XDocType, XmlDocType.
* Dialect.GetIdentitySelectString was called by the entity persisters with
inverted parameter values: the table name in the column parameter, and the
column name in the table parameter. No built-in dialects were using the
parameter values. External dialects which were using it inverted (causing issues
to collection persisters, which have always supplied them correctly) needs
to be accordingly adjusted.
* Users providing through an IObjectFactory some custom logic for instantiating
value types will now need to supply their own result transformer if they were
using AliasToBeanResultTransformer with value types, or their own entity
tuplizer if they were using value types as entities.
* Users providing through an IObjectFactory some custom logic for instantiating
their custom session contexts will have to implement
ICurrentSessionContextWithFactory and add a parameterless public constructor
to their custom context, and move their custom instantiation logic from
IObjectsFactory.CreateInstance(Type, object[]) to
IObjectsFactory.CreateInstance(Type).
* Various *Binding classes of NHibernate will now always have their protected
dialect field null. (These classes are not expected to be derived by users,
as there is no way to use custom descendants with NHibernate.)
* AbstractPersistentCollection.AfterInitialize does no more perform queued
operations. Queued operations are now run by a later call to a new method,
ApplyPendingOperations. Concrete custom implementations relying on the queued
operations to be done by their base AfterInitialize will need to be changed
accordingly.
** Bug
* #1900 Do not generate FK on non-generated unique constraint
* #1888 Second level cache key mismatch
* #1886 Superfluous SQL casts generated in FirebirdClientDriver
* #1885 Process classes accordingly to inheritance path in mapping by code
* #1884 Fix attempt of static proxies to call base method for abstract classes
* #1874 Item in child collection not being removed
* #1872 Fix property ref handling
* #1870 Update build-menu options in documentation
* #1867 Fix registration of current_date for some dialects
* #1859 Fix filter & where fragment appended after lock hint
* #1855 Fix NotNullUnique not taken into account for single column
* #1849 Loquatious QueryCache constraint should be an IQueryCacheFactory constraint
* #1836 Cannot create configuration due to log4net loading failure
* #1824 property-ref on a component's property causes "wrong number of columns" error
* #1821 Allow using ICompositeUserType for collection element mappings in Mapping By Code
* #1818 Handle DbDataReaders that do not support GetSchemaTable
* #1812 Fix the <any/> handling without meta-values
* #1809 Update the mapping documentation
* #1799 Default value of 'proxyfactory.factory_class' in the documentation
* #1774 HQL and LINQ query by the type on with meta-type "string" fails
* #1769 Table mapping for UniqueColumn uses unstable GetHashCode() method
* #1764 Fix configuration schema forbidding custom bytecode provider
* #1760 Support formula on one-to-many map-key
* #1756 Fix unsaved-value for assigned identifiers
* #1753 Fix possible InvalidCastException in ActionQueue
* #1751 Avoid completing the same transaction twice
* #1748 Fix a bad setting naming about transaction scopes
* #1745 Remove obsoleted hibernate configuration prefix
* #1744 Reconnect lazy property proxy on deserialization
* #1737 Remove a binary breaking change introduced in #305
* #1728 Generate a correct proxy for interfaces
* #1727 Fix a null-ref exception with no-proxy one-to-one
* #1726 Fix serialization exception when run on .NET Core 2.1
* #1719 Cascade delete-orphan on no-proxy null association fails
* #1706 Entity Projection: Fixed AsEntity() for root entity
* #1704 GroupBy to custom class fails with ArgumentException
* #1696 Fixed CriteriaImpl.Clone for readonly query
* #1692 Update base_mapping.xml
* #1673 Bitwise xor treated as pow with PostgreSQL
* #1654 Fix the url to the quickstart of DocBook
* #1635 IdentitySelectString implementation is inconsistent
* #1612 Fix TypedValue not always using adequate comparer with SetParameterList
* #1609 Schema validation using SQLite and a specific schema fails
* #1366 NH-3506 - ICriteria/QueryOver create incorrect left join condition when table-per-hierarchy is used with filters
* #1358 NH-3992 - Intermediate inherited classes are not mapped correctly
* #1344 NH-3864 - Cacheable Multicriteria/Future'd query with aliased join throw exception
* #1339 NH-3823 - Initialization of Set with Lazy=Extra causes pending additions to disappear
* #1338 NH-3806 - Saving entities with proxy associations leads to fetching associated entities
* #1300 NH-3403 - Wrong parameter size in query with MsSql2000Dialect,MsSql2005Dialect and MsSql2008Dialect
* #1293 NH-3350 - Duplicate records using Future()
* #1278 NH-3189 - IManyToOneMapper lacks method to add columns AND formula into a single relationship
* #1214 NH-2180 - Many-To-Many with Property-ref fails to get subitems with FetchMode Join
* #1201 NH-1316 - PostgreSQL dialect use of lastval to retrieve last inserted "id" not safe with Triggers
* #1182 NH-3860 - Missing EntityName in IManyToOneMapper
* #1170 NH-3646 - Incorrect query when items removed from a collection of components contain null values
* #1163 NH-3545 - SchemaValidator fails for PostgreSql sequences
* #1151 NH-3426 - Wrong result when converting Guid to string
* #1121 NH-3095 - Cast from mapped long field to enum leads to 'Specified cast not valid'
* #1096 NH-2836 - SchemaValidator throws with SqlCe4 if db-schema set
* #1089 NH-2755 - LockMode hash differs in x86 and 64bit OS
* #1037 NH-3749 - Unnecessary comma in CREATE TABLE statement
* #1016 NH-3007 - Informix dialect generates incorrect boolean constants
* #1000 NH-2558 - NoViableAltException with boolean expression in OrderBy clause
* #990 NH-2016 - Duplicate Association Path when creating multiple aliases
* #460 Fix Criteria caching filtered collections
** New Feature
* #1892 Allow disabling Firebird driver parameter casting
* #1879 LINQ Coalesce and Conditional on Properties
* #1854 Add SQL Anywhere 17 support
* #1848 Add in ByCode support of all type mappings on Id
* #1833 Parametrize string type comparer
* #1830 Add a Linux build menu
* #1796 Support CacheMode in QueryBatch
* #1786 Document future results
* #1772 Support futures with stateless session
* #1752 Async ISynchronization
* #1742 Add new DB2CoreDriver to use with IBM.Data.DB2.Core provider
* #1693 Implement SurrogateSelector
* #1690 Bitwise xor not supported by SQLite
* #1682 Add support for System.MathF methods
* #1662 Add support for SAP HANA
* #1633 Added support for batching 2nd level cache operations when loading entities and collections
* #1631 Create UtcTicks and UtcDbTimestamp types
* #1599 Full control of entities fetching in Criteria
* #1381 NHibernate's IQuery is missing AddSynchronizedQuerySpace
* #968 NH-2285 - Support for LockMode in linq provider
* #920 NH-3991 - Support for Sybase ASE ADO.NET 4 Provider
* #897 NH-2187 - ElementAt LINQ extension method is not supported.
* #838 NH-3805 - Add support for string indexer property (get_Chars)
* #819 NH-3088 - Support the item operator [] on lists in linq queries
** Improvement
* #1908 Control over BeginTransaction in AdoTransaction
* #1905 Improve support of Npgsql 4
* #1901 Add ability to use dynamic entities as C# dynamic
* #1890 Merge two logs in one
* #1875 Improve exception message in case of duplicated column
* #1869 Replace an O(n) lookup in LINQ query parsing by an O(1) one
* #1846 Remove dependency on System.Security.Permissions package for .NET Standard and .NET Core
* #1842 Remove WcfOperationSessionContext from .Net Core and .Net Standard
* #1838 Cannot add HqlJoin to HqlFrom
* #1827 Include the query in loader PostInstantiate QueryException
* #1819 Append the batched sql statement when StaleStateException occurs
* #1814 Mark proxy assembly with IgnoresAccessChecksToAttribute to allow implementing non public interfaces
* #1808 Support mixed formulas and columns
* #1792 Obsolete HolderInstantiator
* #1788 Implement multiple get and put for query cache and query batch
* #1785 Update user types documentation
* #1782 Refactor BugTestCase
* #1781 Clean-up IObjectsFactory usages
* #1778 Allow to use dynamic objects as dynamic components
* #1777 Replace ICache interface by a CacheBase class
* #1776 Make cache types serialization friendly
* #1775 Start/Stop required db-service for TeamCity
* #1770 Make obsolete abstract virtual
* #1767 Allow generic dictionaries for dynamic entities
* #1765 Provide cacheable representations for all NHibernate built-in types
* #1762 Remove duplicated and obsolete interceptor documentation
* #1761 Update mapping documentation
* #1759 Support mixed formulas and columns in By Code
* #1736 Remove excessive rowIdAlias parameter in Loader
* #1713 Update contributing guidelines
* #1712 Support IEquatable in LINQ provider
* #1710 Rationalize DateTimeOffset read and write
* #1709 Lazy properties static proxy
* #1703 Remove dialect instantiation in AddDeserializedMapping
* #1700 Single place to specify TargetFrameworks
* #1699 Add ability to load types from in-memory-only assemblies
* #1698 Document setting the logger factory programmatically
* #1694 Implement CollectionHelper.GetHashCode that accepts IEqualityComparer
* #1689 Purge more Invariant culture usages
* #1671 Decouple configuration of IObjectsFactory from BytecodeProvider
* #1666 Handle multi-queries support in FutureBatch
* #1656 Allow any cache.* property in NHibernate configuration
* #1641 Add cross platform build for full .NET Framework
* #1452 Async After-/BeforeTransactionCompletion
* #874 NH-3543 - Enhanced Db2 driver to support multi query
* #865 NH-2428 - Session.MultiCriteria and FlushMode.Auto inside transaction
* #840 NH-3835 - Future/MultiCriteria 2nd level caching
* #822 NH-3150 - Select Post Insert Generator Improvements
* #755 NH-3670 - Dynamic component should allow generic dictionary
* #752 NH-3541 - Future queries of Criteria API/QueryOver are batched separately from other query methods
* #696 Upgrade to ReLinq 2.2.0
* #415 Add check to ensure that IUserCollectionType.Instantiate returns uninitialized collection
** Task
* #1863 Release 5.2.0
* #1823 Run tests for SQLite on .NET Core
* #1783 Obsolete MultiQuery and MultiCriteria
* #1773 Obsolete unused version related methods of SByteType
* #1771 Obsolete unused "xml" type methods
* #1743 Merge 5.1.3 into master
* #1739 Upgrade to AsyncGenerator 0.8.2.7
* #1688 Merge 5.1.2 into master
* #1687 Update NUnit to 3.10.1
* #881 NH-3358 - Document all attributes for the element tag
** Tests
* #1887 Test ref and out methods with static proxy
* #1724 NH-2716 - Modify test case for discarding the alleged bug
* #1584 Test Parent property is not accessible in queries
* #1531 Test for Merging a bidirectional list creates unnecessary UPDATE statement
* #1440 Test case for ComposedId Entity with Lazy Property is not proxified
* #1414 Test ISession.IsDirty() should not trigger cascade saving
As part of releasing 5.2.0, a misnamed setting in 5.0.0 release notes has been fixed:
transaction.use_connection_on_system_events correct name is transaction.use_connection_on_system_prepare
Build 5.1.7
=============================
Release notes - NHibernate - Version 5.1.7
** Bug
* #2298 Dml Linq Update Produce Wrong Sql
Build 5.1.6
=============================
Release notes - NHibernate - Version 5.1.6
** Bug
* #2172 Using DependentTransaction fails
Build 5.1.5
=============================
Release notes - NHibernate - Version 5.1.5
##### Possible Breaking Changes #####
* Using DML on an entity collection was applying the changes without
filtering according to the entity. It will now throw a
NotSupportedException.
** Bug
* #2043 System.Reflection.TargetException when an interface is used as class mapping proxy definition
* #2020 Throw for DML on filter
** Task
* #2074 Release 5.1.5
Build 5.1.4
=============================
Release notes - NHibernate - Version 5.1.4
** Bug
* #1959 Backport Query space invalidation doesn't work for bulk actions
Build 5.1.3
=============================
Release notes - NHibernate - Version 5.1.3
** Bug
* #1741 Fix DbType.Binary registration in DB2Dialect
* #1732 Dictionary failure in Loader
* #1730 Query cache always missed in session having altered the entities
* #1711 Fix static proxy serialization
** Task
* #1716 Release 5.1.3
Build 5.1.2
=============================
Release notes - NHibernate - Version 5.1.2
** Bug
* #1680 RowCount not working with JoinEntityAlias
* #1672 Generated async methods do not correctly propagate OperationCanceledException
* #1667 Collection initializing with zero rows after update to NH5
* #1660 Wrong CopyTo implementation
* #1650 Cannot use cache.use_sliding_expiration in hibernate.cfg.xml
* #1585 Hashset unsupported by SetParameterList
* #1355 NH-3928 - Random invalid SQL generated when using bitwise operators
** Task
* #1668 Merge 5.0.5 into 5.1.x
* #1664 Release 5.1.2
* #1659 Merge 5.0.4 into 5.1.x
As part of releasing 5.1.2, a missing 5.0.0 possible breaking change has been added about future queries with data
providers not actually supporting them. See 5.0.0 possible breaking changes.
Build 5.1.1
=============================
Release notes - NHibernate - Version 5.1.1
** Bug
* #1645 One-to-one with property-ref triggers StackOverflow Exception
* #1643 TypeLoadException in StaticProxyFactory after upgrading to 5.1.0
* #1640 Handle all overloads of String.Trim*()
* #1636 Fix api documentation assets path
* #1628 StackOverflowException for lazy proxied entities with explicit interface properties
* #1618 Fix NuGet push script
* #1149 NH-3391 - StatelessSession: one-to-one detail-object is always null
** Improvement
* #1646 Add a link to release notes in NuGet package
* #1639 Speedup access to SQL Server on Linux
* #1624 Add missing ids on documentation sections
* #1619 Document "entity join" and "entity projection"
** Task
* #1649 Release 5.1.1
* #1622 Update cache documentation
* #1621 Upgrade Async Generator to a version compatible with VS 15.6.3
Build 5.1.0
=============================
Release notes - NHibernate - Version 5.1.0
** Highlights
* NHibernate has gained two new target frameworks: .Net Core 2.0 and .Net Standard 2.0. NHibernate NuGet package
provides them, along with the .Net framework 4.6.1 build.
For these new frameworks, some additional specificities or limitations apply:
* Binary serialization is not supported - the user shall implement serialization surrogates for System.Type,
FieldInfo, PropertyInfo, MethodInfo, ConstructorInfo, Delegate, etc.
* SqlClient, Odbc, Oledb drivers are converted to ReflectionBasedDriver to avoid the extra dependencies.
* CallSessionContext uses a static AsyncLocal field to mimic the CallContext behavior.
* System transactions (transaction scopes) are untested, due to the lack of data providers supporting them.
* 114 issues were resolved in this release.
##### Possible Breaking Changes #####
* Since Ingres9Dialect is now supporting sequences, the enhanced-sequence identifier generator will default to
using a sequence instead of a table. Revert to previous behavior by using its force_table_use parameter.
* Some overridable methods of the Dialect base class and of MsSql2000Dialect have been obsoleted in favor of
new methods. Dialects implementors need to override the replacing methods if they were overriding the
obsolete ones, which are:
* Dialect.GetIfNotExistsCreateConstraint(Table table, string name), replaced by
GetIfNotExistsCreateConstraint(string catalog, string schema, string table, string name).
* Dialect.GetIfNotExistsCreateConstraintEnd(Table table, string name), replaced by
GetIfNotExistsCreateConstraintEnd(string catalog, string schema, string table, string name).
* Dialect.GetIfExistsDropConstraint(Table table, string name), replaced by
GetIfExistsDropConstraint(string catalog, string schema, string table, string name).
* Dialect.GetIfExistsDropConstraintEnd(Table table, string name), replaced by
GetIfExistsDropConstraintEnd(string catalog, string schema, string table, string name).
* MsSql2000Dialect.GetSelectExistingObject(string name, Table table), replaced by
GetSelectExistingObject(string catalog, string schema, string table, string name).
** Bug
* #1606 NHibernate 5 precision maximum on decimal reduced vs. NHibernate 4
* #1605 MySql batcher may attempt initiating a new batch without closing open reader first.
* #1604 MySql batcher disables db exception translation
* #1602 Preserve original snapshot mode.
* #1594 AsyncLocal leak in SystemTransactionContext
* #1587 Prevent substitute garbage collection
* #1565 For update with outer join fails with PostgreSQL
* #1562 Fix round registration
* #1559 Deep removal of Fetch result operators when Any is used
* #1556 Linq query with "Contains" on persistent collection fails
* #1551 Assert for a null reference in a flaky test.
* #1536 Avoid a null reference exception in ExpressionKeyVisitor
* #1535 Fix some HQL functions registration
* #1534 Fixed entity name retrieval for EntityProjection
* #1526 ExpressionKeyVisitor does not produce unique keys for anonymous types coming from different assemblies
* #1514 Fix exceptions serialization
* #1511 Test Unicode string.
* #1509 Add missing NHibernateLogLevel.Info in example web project
* #1507 NH-3119 - fix test not supporting optimization
* #1506 SQLite is bugged with distributed transactions: disable distributed tests
* #1505 Chaining scopes with ODBC is bugged: disabling the test.
* #1501 Fix NH-3023 test
* #1496 Fix ManyToOneType.IsModified to handle both object instance and identifier passed to the parameter “old”.
* #1491 Forgotten async generation for #1487
* #1486 Fix IsModified so that a null equates empty components when using select-before-update.
* #1484 Fix default types
* #1478 Exception when using envers with the latest logging changes
* #1476 Fix GetQueryCache storing two different caches.
* #1468 Comparison with DateTime? produces wrong SQL
* #1463 Fix a null reference case in session context
* #1454 Fix ProxyFactory cache
* #1445 Upgrade AsyncGenerator to 0.6.2 and regenerate.
* #1442 Unable to use an entity with a `FieldInterceptor` property and a lazy loaded property
* #1436 StackOverflowException when merging an entity with a lazy property
* #1434 Replace remaining SetOptions with WithOptions
* #1385 SecondLevelCache CreateSQLQuery().UniqueResult<int>() throws Exception Specified cast is not valid.
* #1372 NH-3982 - Simple query with Cacheable, Fetch and SingleOrDefault throws exception (regression from 3.3.0)
* #1371 NH-3898 - Configuring a property with generated="insert" turns "Property.IsUpdatable" into"false" even using update="true" in the xml mapping file.
* #1363 NH-2500 - NH 3.0 Linq provider uses query parameters from first call in subsequent calls.
* #1335 NH-3787 - Decimal truncation in Linq ternary expression
* #1330 NH-3673 - Closure variable values locked in from expressions in NHibernate LINQ provider
* #1226 NH-2534 - Join-fetching a many-to-one with property-ref results in select n+1 problem
* #1196 NH-4087 - Decimal truncation occurs after 5 digits
* #1119 NH-3084 - Class NHibernate.Loader.Loader logs SQL statement on INFO level
* #1052 NH-3976 - Inconsistent Decimal/NHibernateUtil.Currency handling causing runtime error when using Oracle.ManagedDataAccess
* #987 NH-1509 - MsSql2000Dialect does not use default schema when creating "if exists" statement
* #448 NH-1285 - Drop/Create script with default_schema/default_catalog fix(SqlServer)
** New Feature
* #1588 Add a generic batcher for insert/update/delete statements, usable with PostgreSQL and others
* #1545 Support to join not associated entities in Criteria (aka Entity Join)
* #1451 New StaticProxyFactoryFactory
* #1403 Add timeouts support to MultiCriteria
* #1377 Logging refactoring
* #954 NH-3807 - Support for .NET Core 2.0
* #948 NH-3435 - Ability to select entities in Criteria projections
* #910 NH-3606 - Open a stateless session from a session
* #908 NH-3470 - Allow Linq Query to load entities as read-only
** Improvement
* #1600 Set MySqlClientBatchingBatcher as a default batcher for MySqlDataDriver
* #1597 Add support for single-argument truncate to dialects that do not support it natively
* #1569 Modernize test example
* #1567 Avoid Trim().Length as empty check and ToLowerInvariant() in string comparison