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releasenotes.txt
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Build 5.4.6
=============================
Release notes - NHibernate - Version 5.4.6
2 issues were resolved in this release.
** Bug
* #3414 Reenable use of SelectClauseVisitor for subqueries
** Task
* #3419 Release 5.4.6
Build 5.4.5
=============================
Release notes - NHibernate - Version 5.4.5
2 issues were resolved in this release.
** Task
* #3408 Release 5.4.5
* #3407 Merge 5.3.19 in 5.4.x
Build 5.4.4
=============================
Release notes - NHibernate - Version 5.4.4
6 issues were resolved in this release.
** Bug
* #3359 2nd level cache GetMany ineffective for collections
* #3354 Invalid program generated by FieldInterceptorProxyBuilder for indexer property getter
* #3352 Fetch throws "could not resolve property" error for a property that is not mapped
** Improvement
* #3368 Allow internal entity classes/interfaces in .NET Standard 2.0 for field interceptor
** Task
* #3386 Release 5.4.4
* #3367 Update readme with actual dev build information for 5.4
Build 5.4.3
=============================
Release notes - NHibernate - Version 5.4.3
11 issues were resolved in this release.
** Bug
* #3317 Issue with components list lazy loading with not lazy association
* #3307 IsDirty performance hit since 5.4.0
* #3295 C# 8/11 Static interface members support
* #3291 Npgsql 6+ issues with null DateTime parameter types
* #3290 Incorrect fetch of Many-to-Many relation
* #3289 Fetching lazy loaded component causes n + 1 query when querying a subclass abstraction
* #3288 NullReferenceException is thrown when using Fetch
** Task
* #3349 Release 5.4.3
* #3348 Merge 5.3.18 in 5.4.x
* #3318 Merge 5.3.17 in 5.4.x
* #3302 Upgrade NUnit3TestAdapter to fix "Unknown framework version 7.0"
Build 5.4.2
=============================
Release notes - NHibernate - Version 5.4.2
6 issues were resolved in this release.
** Bug
* #3274 Improve LINQ Contains subquery parameter detection
* #3271 LINQ subqueries wrongly altered by SelectClauseVisitor
* #3263 Wrong alias in Where clause if using Fetch and scalar Select
* #3239 Incorrect SQL generated fetching many-to-many with subclasses
** New Feature
* #3251 MappingByCode: Support backfield property access
** Task
* #3281 Merge 5.3.16 in 5.4.x
* #3277 Release 5.4.2
Build 5.4.1
=============================
Release notes - NHibernate - Version 5.4.1
5 issues were resolved in this release.
** Bug
* #3216 Enable one-to-one optimistic lock handling in mapping
* #3215 Count(Distinct ...) does not work
* #3203 Fix a wrong example in configuration documentation
** Task
* #3232 Release 5.4.1
* #3227 Merge 5.3.15 in 5.4.x
As part of releasing 5.4.1, a missing 5.4.0 possible breaking change has been added, about
one-to-one associations and optimistic locking. See 5.4.0 possible breaking changes.
Build 5.4.0
=============================
Release notes - NHibernate - Version 5.4.0
** Highlights
* NHibernate has gained three new target frameworks: .Net 6, .Net Framework 4.8 and .Net Standard 2.1. NHibernate NuGet package
provides them, along with the older targets, .Net Core 2.0, .Net Framework 4.6.1 and .Net Standard 2.0. These new targets allow
some NHibernate optimizations for applications using them. The same limitations apply for .Net 6 and .Net Standard 2.1 as for
.Net Core 2.0 and .Net Standard 2.0, see NHibernate 5.1.0 release notes.
* A new batching strategy is available, minimizing the batching memory footprint. See #2959. Using it may increase CPU usage.
* 201 issues were resolved in this release.
##### Possible Breaking Changes #####
* One-to-one changes does now trigger a version increment, consistently with the default behavior of other kinds of
associations. See #3204.
* Linq and criteria queries on unmapped entities will throw instead of returning an empty result list. See #1106, #1095.
* The second level cache UpdateTimestampsCache does not use locks anymore. This may slightly increase the number of cases
where stale data is returned by the query cache. See #2742.
* Equality and hashcode access on uninitialized persistent collections will no more trigger their loading. See #2461.
* DB2CoreDriver now uses named parameters instead of positional ones. See #2546.
** Bug
* #3198 EntityUpdateAction increments version despite veto on update
* #3189 Support proxies of classes with init properties
* #3188 No way of detecting if AutoFlush performed in added AutoFlushEventListener
* #3176 Cached entity always fetches lazy properties with read-write concurrency strategy
* #3156 Evaluation failure when using `Nullable` without a value in LINQ
* #3150 LINQ query dynamic component by interface hangs the application
* #3109 Fix table group join issue with subclasses
* #3104 Inner Join fails with left Outer Join when referenced in Where clause
* #3076 Nested group by results in "A recognition error occured"
* #2968 Fix QueryStatistics.ExecutionAvgTime calculation
* #2827 Fix BadImageFormatException in dynamic proxies for abstract classes and interfaces
* #2822 "A recognition error ocurred" querying by a nullable component with more than N properties
* #2758 Fix AmbiguousMatchException in ClearPool with FirebirdClient 6.6.0 and above
* #2750 Using System.Transaction with IStatelessSession doesn't always flush batches to database
* #2738 Unused Left Join in LINQ throws exception
* #2717 MappingByCode discriminator column with string type throws exception
* #2675 Fix collection lazy loading with composite keys on subclass columns
* #2672 Linq query failure with left joins
* #2619 InvalidOperationException in ProxyGenerator for class with generic non-virtual method
* #2614 Obvious bug in two HQLQueryPlan classes with distinction Set
* #2594 Wrong SQL produced by DML LINQ when using a select clause for a property referencing the outer select
* #2555 Add spaces around concat operator
* #2552 One-to-one second level cache issue
* #2548 Mark DB2Dialect as not supporting null columns in unique constraint
* #2547 Fix paging in DB2Dialect
* #2540 Unable to use external predicate in subquery
* #2534 Fix asymmetrical SqlType.Equals
* #2454 ConditionalProjection containing the correlation to outer query fails to determine projection type
* #2330 join on multiple conditions
* #2201 Fetch Join generates incorrect SQL joins for the same entity type
* #2092 Projection and join fetch in hql leads to duplicated column aliases
* #1365 NH-3288 - Stale data checking does not work for one-to-one associations
* #1349 NH-3893 - HQL parse error of a query with 'left' or 'right' function
* #1326 NH-3622 - Fetching in query causes incorrect/missing joins in subquery
* #1316 NH-3530 - memory when using default_batch_fetch_size
* #1235 NH-2785 - StaleStateExceptions discarded on optional <join> table
* #1215 NH-2208 - Error with filters on joined-subclass as many-to-one
* #1209 NH-2049 - Error with filters on joined-subclass as one-to-one
* #1180 NH-3847 - ConditionalProjection throws "Both true and false projections must return the same types" when the types are the same
* #1106 NH-2978 - LINQ: Queries for unmapped entity types return empty result set
* #1075 NH-2239 - Wrong OrderBy in generated SQL when using ICriteria, Eager fetching and order by clauses in collection mappings
* #1072 NH-2174 - Invalid SQL is generated for OneToMany collections
* #1062 NH-1893 - Trigger-Identity with Dynamic Insert throws ORA-01036 (10g)
** New Feature
* #2959 Support Dynamic BatchFetchStyle
* #2744 Set which entities classes should never be cached, even indirectly
* #2737 Add more left join support
* #2645 Allow specifying the size of the query plan cache
* #2641 Avoid InvalidCastException with Oracle number high precision values
* #2551 Add support for joining a subquery in hql
* #2545 Table group joins for subclasses in Criteria
* #2486 Add Projections.Select in Criteria
* #2361 Table group joins support in hql
** Improvement
* #3184 Support caching queries with autodiscovered types
* #3177 Disable default caching in tests
* #3160 Allow internal entity classess/interfaces in .NET Standard 2.0
* #3133 Automatically generate async code on pull request
* #3127 Register IType CLR types as aliases
* #3116 Simplify SqlGenerator.FromFragmentSeparator
* #3114 Exclude generated async files from Deepsource analysis
* #3106 Skip table group join processing for implicit join
* #3091 Use GitReleaseManager dotnet tool
* #3083 Update SHFB in order to build documentation without MSBuild
* #3050 Add .NET Standard 2.1 target
* #3027 Avoid allocations on lock in SyncCacheLock
* #3000 Add .NET 6 and .NET Framework 4.8 targets
* #2990 Use inner join instead of implicit join for implied entity joins
* #2957 Avoid lambda compilation as much as possible
* #2948 Avoid lambda compilation for member access expressions in LINQ
* #2947 LINQ queries triggers JIT a bit too much
* #2920 Add parameter type to ADO exception
* #2804 Projections.Conditional for CASE expressions with multiple conditions
* #2752 Change cascade style for DefaultDirtyCheckEventListener to persist to avoid flushing the session
* #2742 Remove locks from UpdateTimestampsCache
* #2723 Avoid double param type guessing and better NULL parameter handling in LINQ
* #2706 Set the rolledBack flag when disposing active transactions
* #2700 Potential improvement to AliasToBeanResultTransformer
* #2621 Regression bug with enums used as parameter for string column
* #2571 Default value for CancellationToken in IQueryBatch.GetResultAsync
* #2568 Support internal entity classes by proxy factory
* #2556 Register right function for Firebird and PostgreSQL
* #2546 Enable named parameters on DB2CoreDriver
* #2539 Skip no longer needed moving ON condition to Where clause in LINQ
* #2538 Remove no longer needed alias substitution for filtered many-to-many collection in hql
* #2518 Support Aggregate subqueries with paging on MS SQL Server
* #2510 Remove OrderByClause from query models with Contains, All and Any result operators
* #2492 Replace casting with NodeType checks in Criteria ExpressionProcessor
* #2479 When using a paged sub-query in Linq, generates incorrect SQL
* #2461 Remove persistent collections Equals/GetHashCode overrides
* #2460 Simplify single alias retrieval for SimpleProjections
* #2448 Avoid lambda compilation for constant and member access expressions in Criteria
* #1285 NH-3249 - Cannot perform HQL with "COUNT(DISTINCT Date(s.Date))"
* #1244 NH-2868 - Generate method of ForeignGenerator fails with stateless sessions
* #1095 NH-2829 - QueryOver/Criteria should throw exception when querying against unmapped class
* #871 NH-3115 - Should de-duplicate joins when using fetching with where in LINQ query
* #869 NH-2952 - Setting the SqlCheck is not supported in the ByCode mapping
* #809 NH-2799 - Provide the CancelQuery() method in IStatelessSession
* #766 NH-3813 - Eager fetch on key-many-to-one relation adds inner joins to the query
* #715 NH-1040 - property-ref on joined-subclasses should work or error
** Task
* #3197 Update dependency System.Data.SqlClient to v4.8.5
* #3195 Release NHibernate 5.4
* #3161 Tell NuGet about the readme file
* #3147 Add `datetimex` keyword to SapSQLAnywhere17Dialect
* #3146 Run tests against Oracle XE 21c
* #3123 Update dependency Npgsql to v6
* #3121 Update dependency Microsoft.NETFramework.ReferenceAssemblies to v1.0.3
* #3119 Update actions/setup-dotnet action to v2
* #3118 Update actions/checkout action to v3
* #3117 Update dependency NSubstitute to v4.4.0
* #3111 Update dependency log4net to v2.0.15
* #3080 Replace Dependabot with Renovate
* #3063 Bump Oracle.ManagedDataAccess from 19.12.0 to 21.6.1
* #3061 Bump Oracle.ManagedDataAccess.Core from 2.19.120 to 3.21.61
* #3059 Bump log4net from 2.0.12 to 2.0.14
* #3057 Run tests using .NET 4.8
* #3017 Add deepsource.io code analysis
* #3002 Bump NUnit3TestAdapter from 4.1.0 to 4.2.1
* #2987 Disable auto rebasing for depandabot PRs
* #2951 Run tests on .NET 6
* #2946 Bump Microsoft.SourceLink.GitHub from 1.0.0 to 1.1.1
* #2936 Bump System.Data.SQLite.Core from 1.0.114.3 to 1.0.115.5
* #2911 Bump System.Data.SqlClient from 4.8.2 to 4.8.3
* #2898 Bump FirebirdSql.Data.FirebirdClient from 6.6.0 to 8.5.2
* #2887 Bump Oracle.ManagedDataAccess from 19.11.0 to 19.12.0
* #2886 Bump Oracle.ManagedDataAccess.Core from 2.19.110 to 2.19.120
* #2878 Bump System.Linq.Dynamic.Core from 1.2.10 to 1.2.12
* #2870 Bump MySql.Data from 8.0.25 to 8.0.26
* #2851 Cache Dialect in tests
* #2818 Bump Microsoft.Data.SqlClient from 2.1.3 to 3.0.0
* #2800 Bump System.Data.SQLite.Core from 1.0.113.7 to 1.0.114.2
* #2799 Bump Npgsql from 4.0.3 to 4.1.9
* #2796 Bump System.Linq.Dynamic.Core from 1.2.9 to 1.2.10
* #2790 Bump Microsoft.NET.Test.Sdk from 16.9.4 to 16.10.0
* #2786 Bump Microsoft.Data.SqlClient from 2.1.2 to 2.1.3
* #2771 Bump MySql.Data from 8.0.22 to 8.0.25
* #2770 Bump System.Data.SQLite.Core from 1.0.109.2 to 1.0.113.7
* #2765 Bump Microsoft.NETFramework.ReferenceAssemblies from 1.0.0 to 1.0.2
* #2759 Enable dependabot
* #2756 Update dependencies
* #2607 Merge 5.3.5
* #2605 Upgrade AsyncGenerator to 0.19.1
* #2593 Merge 5.3.4
* #2582 Remove no longer used code in QueryModelVisitor
* #2570 Update Relinq and LinFu links
* #2516 Suppress Codefactor single class per file rule for test project
* #2501 Upgrade MySql client and remove allowed failures on CI builds
** Tests
* #3024 Enable test accessing Component's Parent property in LINQ
* #2921 Fix test for SAP SQL Anywhere
* #2848 Add Oracle to GitHub Actions
* #2541 LINQ SELECT tests with WHERE subquery
* #2489 Improve CriteriaAssertFixture
* #2456 Test case for #1180 and improve NullableType.ToString
* #2242 Test case for NH-3972 - SQL error when selecting a column of a subclass when sibling classes have a column of the same name
Build 5.3.19
=============================
Release notes - NHibernate - Version 5.3.19
2 issues were resolved in this release.
** Bug
* #3397 GenerateSchemaCreationScript creates many identical dialect instances
** Task
* #3405 Release 5.3.19
Build 5.3.18
=============================
Release notes - NHibernate - Version 5.3.18
3 issues were resolved in this release.
** Bug
* #3333 Lazy property with nosetter accessor remains uninitialized
* #3330 Linq with FetchLazyProperties() resets lazy property changes
** Task
* #3346 Release 5.3.18
Build 5.3.17
=============================
Release notes - NHibernate - Version 5.3.17
5 issues were resolved in this release.
** Bug
* #3306 Invalid SQL when referencing nullable entity in correlated subquery
* #3304 Fix SetSnapShot CopyTo variance failure
* #3294 Undefined join type failure with cross joins and Informix
** Task
* #3315 Release 5.3.17
* #3300 Backport handling of null DateTime parameters in Npgsql 6+
Build 5.3.16
=============================
Release notes - NHibernate - Version 5.3.16
3 issues were resolved in this release.
** Bug
* #3269 "Or" clause in a "where" condition returns a wrong result with not-found-ignore
* #3210 Wrong name value for L2 read-only cache warning on mutable
** Task
* #3276 Release 5.3.16
Build 5.3.15
=============================
Release notes - NHibernate - Version 5.3.15
4 issues were resolved in this release.
** Bug
* #3218 Failure of contains subquery with parameter
* #3187 Fix mixing implied implicit and left joins in HQL for v5.3
** Task
* #3225 Release 5.3.15
* #3222 Automatically generate async code on pull requests for 5.3
Build 5.3.14
=============================
Release notes - NHibernate - Version 5.3.14
3 issues were resolved in this release.
** Bug
* #3169 InvalidOperationException: This transformer is not initialized by Cached Query
* #3164 Fetching a lazy loaded component regression
** Task
* #3183 Release 5.3.14
Build 5.3.13
=============================
Release notes - NHibernate - Version 5.3.13
6 issues were resolved in this release.
** Bug
* #3134 ManyToMany - Tries to select not existing column in Mapping Table
* #3113 Join fails on Oracle9Dialect
* #3030 Memory leak named parameter holds entity references
** Improvement
* #3120 Guards against use of a disposed session factory
* #2994 Npgsql 6 is not compatible
** Task
* #3145 Release 5.3.13
Build 5.3.12
=============================
Release notes - NHibernate - Version 5.3.12
5 issues were resolved in this release.
** Bug
* #3046 Regression for filters on entity joins with many-to-one disabled
* #3029 InvalidOperationException on proxies with explicit implementation of a generic method
** Improvement
* #3043 Improve exception for query on delayed id
** Test
* #3035 Support tests in VS 2022
** Task
* #3044 Release 5.3.12
Build 5.3.11
=============================
Release notes - NHibernate - Version 5.3.11
12 issues were resolved in this release.
** Bug
* #3005 LINQ: Casting from object to TimeSpan throws
* #2988 Query issues when using not-found='ignore' in entity mapping
* #2965 Fix possible issue with logging for Linq Readonly tests
* #2963 Time is incompatible with bigint for TimeAsTimeSpanType
* #2937 NRE in linq processing of custom components
* #2928 Session.Refresh when entity is IFieldInterceptorAccessor throws a MappingException
* #2904 SQL query result not retrieved from second level cache
* #2876 Schema validation not working with NpgSql v5
* #2862 NHibernate AsyncReaderWriterLock stalls under load
* #2727 The session.Load(obj, id) overload can't handle proxies
** Task
* #3019 Release 5.3.11
* #2984 Bump AsyncGenerator to 0.18.3 for 5.3 branch with fix for .net 6
Build 5.3.10
=============================
Release notes - NHibernate - Version 5.3.10
11 issues were resolved in this release.
** Bug
* #2891 Fix nullable entity comparison with null and implicit/cross joins
* #2885 Do not serialize unnecessary members in SessionFactory
* #2882 Fix ArgumentNullException when provider is unable to open a connection
* #2871 If DbTransaction.Dispose throws an exception, the AdoTransaction is left in an inconsistent state
* #2860 Null reference when calling Trim() on interpolated string containing null property
* #2858 Casting to object and back to interface in Subquery causes incorrect SQL
* #2856 Distinct on Composite User Type property fails
* #2855 Error log from ReflectHelper.TypeFromAssembly() on Linq query
* #2611 One-to-zero-or-one relation not returning data when checking for null
* #1962 Failing Linq query on element index
** Task
* #2915 Release 5.3.10
Build 5.3.9
=============================
Release notes - NHibernate - Version 5.3.9
11 issues were resolved in this release.
** Bug
* #2835 Fix ExecuteWorkInIsolation ignores MultiTenancy configuration
* #2811 Remove session finalizer
* #2805 Model not mapped Exception
* #2802 ArgumentException on session Flush
* #2792 Arithmetic operations adding casts to SQLite that cause incorrect results
* #2791 Custom Equality Fails
* #2772 LINQ query returns NULL instead of expected result
** Test
* #2841 Fix possible test failure for SqlServer 2019
* #2814 Fix intermittent Firebird test errors
* #2812 Replace Travis CI with GitHub Actions
** Task
* #2837 Release 5.3.9
Build 5.3.8
=============================
Release notes - NHibernate - Version 5.3.8
6 issues were resolved in this release.
** Bug
* #2710 Filtered Entity Dml Update Throws Collection was modified
* #2708 MappedAs throws when called on a Convert UnaryExpression
* #2707 Don't currently support idents of type X
* #2673 Exception when using BinaryFormatter to deserialize entities with initialized proxies in associations
* #1264 NH-3005 - NHibernate.Hql.Ast.HqlIdent..ctor throws Don't currently support idents of type Date
** Task
* #2721 Release 5.3.8
Build 5.3.7
=============================
Release notes - NHibernate - Version 5.3.7
5 issues were resolved in this release.
** Bug
* #2704 IEnhancedUserType from string to bool fails in some circumstances
* #2702 LINQ projection of nullable enum with list fails
* #2693 Invalid parameter conversion with group by
* #2688 NoViableAltException in a delete on a many-to-one id
** Task
* #2701 Release 5.3.7
Build 5.3.6
=============================
Release notes - NHibernate - Version 5.3.6
12 issues were resolved in this release.
** Bug
* #2659 IQueryable<T> filter by subquery gives "Item with Same Key has already been added"
* #2649 Invalid parameter conversion for enums mapped in sub-classes
* #2646 Invalid generated sql with linq any in select and composite keys
* #2642 Linq expression parser removes required Convert nodes
* #2631 IndexOutOfRange exception with One-to-One mapping
* #2627 Null reference on Merge for detached unsaved entity
* #2626 WHERE IN SELECT uses wrong column
* #2608 Delay entity insert may fail with Merge
* #2544 Recognition error occurs using System.Linq.Queryable.Contains
** Improvement
* #2677 Missing ConfigureAwait in FutureEnumerable.GetEnumerableAsync
* #2656 Make sure dbcommand is disposed
** Task
* #2676 Release 5.3.6
As part of releasing 5.3.6, one missing 5.3.0 possible breaking change has been added, about
Merge no more triggering immediate generation of identifier. See 5.3.0 possible breaking changes.
Build 5.3.5
=============================
Release notes - NHibernate - Version 5.3.5
2 issues were resolved in this release.
** Bug
* #2599 WrongClassException in Linq query
** Task
* #2606 Release 5.3.5
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 and ISession.Merge 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