Changes in 5.0.17 Final

Changes in 5.0.17 Beta_2

[main] Add sharing of one Sql Model across Storage Nodes

Changes in 5.0.17 Beta_1

[main] Decreased amout of metadata extracted for Domains or Storage nodes building in DomainUpgradeMode.Skip

Changes in 5.0.16 Final

[main] Fixed error which might appear on constraints validation

Changes in 5.0.16 Beta_1

[main] Added constraint option allowing to skip the constraint if the field isn't changed

[main] DifferentialTuple.Merge() operation no longer cause StackOverflow exception

[main] Fixed certain cases of foreign key absence for reference fields of structures

[main] Fixed translation of enum value as default field value

[sqlserver] Fixed extraction of information about indexes from database

Changes in 5.0.15 Final

[sqlserver] Added change tracking settings for full-text indexes

[sqlserver] Added API for specifying catalog name for full-text indexes

Changes in 5.0.14 Final

[main] Returned expected behavior of delayed queries which was changed in 5.0.11 by bug fix for IN operation.

[main] Fixed bug when Server profile sesions allowed to query database without transaction.

[mysql] Corrected column types' extraction.

Changes in 5.0.13 Final

[main] Fixed rare situation when all LinQ queries might be corrupted untill application restart

[main] Fixed case when contatination of two queries with Enum constants might cause error on translation

[mysql] Added support for SQL batches

Changes in 5.0.12 Final

[main] Fixed bug when implicit Store operation didn't create temporary table

[sqlserver] Fixed certain cases of incorrect rounding of decimals

Changes in 5.0.11 Final

[main] Constraints can be skipped on transaction commit

[main] Operations like EntitySet<T>.ToList() no longer lead to incorrect EntitySet<T>.Count value

[main] IN() operation now creates temporary tables when it supposes to

[main] Fixed translations of aggregates like IQueriable<T>.Sum() when selector parameter can be ommited

[main] Enum contstants in IndexAttribute.Filter expression are translated correctly now

[main] Fixed certain scenarios when enum constants caused query translation error

Changes in 5.0.11 RC2

[main] Fixed build in Perform/PerformSafely modes when there is no Metadata tables in database/schema

[main] Added support for CONTAINSTABLE queries for SQL Server providers

[main] Optimized memory usage for storage nodes which are build in Skip mode

[main] Full-text indexes are now allowed for fields of structures

[main] Added highest ranked matches limitation support for freetext queries

[main] ReferenceFinder now excludes references which were locally removed

[main] Fixes certains scenarios when changes do not clear on after persist

[postgresql] Fixed extraction of columns associated with DateTimeOffset fields

Changes in 5.0.11 RC

[main] Full-text indexes no longer cause domain building error in DomainUpgradeMode.Skip mode

[main] Fixed temporary keys remap which showed up in previous version

[postgresql] Updated version of client library

[postgresql] Added support for DateTimeOffset

Changes in 5.0.10 Final

[main] Remap of temporary to real keys, no longer restore nulled references to an Entity

[main] Fixed certain cases of session cache returning null for a valid key

[main] Fixed certain cases when EntitySet could return nulls instead of removed Entities on enumeration

Changes in 5.0.10 RC

[main] Cross-hierarchical persistent type movements are unsafe actions now

[main] Added Support for Domain building on read-only database in UpgradeMode.Skip mode

[main] Fixed incorrect translation of persistent interface queries occured in some scenairous

[main] Fixed certain cases of storage node metadata corruption

[sqlite] Added Support for DateTimeOffset fields and basic operations with them

[oracle] Corrected extraction of DateTimeOffset columns

[weaver] Fixed pdb-files handling created by Roslyn

Changes in 5.0.9 Final

[main] Domain building in Skip mode no longer extracts database/schema structure at all.

Changes in 5.0.8 Final

[main] Fixed translation of EnumerableExtensions.IsNullOrEmpty()

[main] Fixed Domain building on empty database/schema

[main] Fixed incorrect translation of POCO costructors in some cases

Changes in 5.0.7 Final

[main] Fixed skipping of senseless column recreations which introduced in 5.0.7 RC2

[main] Fixed certain cases of incorrect constructor usage of POCO classes in queries

Changes in 5.0.7 RC2

[main] Fixed translation of In operation in some cases

[main] FieldAttribute.NullableOnUpgrade no longer lead to senseless column copying

[main] Fixed multiple usage of same column in Set operations

[main] Correct visitation of closure subqueries

[main] Fixed Ordering by column of object type in certain scenarios

[main] Fixed materialization error which appeared in 5.0.7-RC

[main] Fixed incorrect mappings of type identifiers for storage nodes

[main] Fixed IQueryable<T>.Any() translation in certain scenarios

[sqlserver] Corrent extraction of schema indexes

Changes in 5.0.7 RC

[main] Fixed mapping of type identifiers for storage nodes

[main] Weaver no longer fails building under Visual Studio 2015

[main] Improved storage node building in UpgradeMode.Skip mode

Changes in 5.0.6 Final

[main] Fixed various cases of using Inner Join instead of Left Join

[main] Fixed comparison of Anonymous types with null value

[main] Fixed columns optimization for queries with ternary operator

[main] Fixed Key comparison

Changes in 5.0.5 Final

[sqlserver] Improved reading decimals

[sqlserver] Fixed reading decimal values which beyond the .Net decimal limits

Changes in 5.0.4 Final

[main] Fixed incorrect rollback of transaction in some scenarios

[main] Speeded up building of domain in UpgradeMode.Skip mode

Changes in 5.0.4 RC

[main] Fixed incorrect building of indexes in some cases

[main] Fixed mapping of Structure type fields

[main] Added unique identifier of session

[main] Fixed referential integrity in Client profile sessions

[mysql] Key generators no longer drop their states after restart of server

[mysql] Limitation of affected rows in Update and Delete operations

[firebird] Limitation of affected rows in Update and Delete operations

[sqlserver] Limitation of affected rows in Update and Delete operations

Changes in 5.0.3 Final

[main] Fixed remap of temporary keys

[main] No longer referenced entities remove correctly in client profile session

[main] Fixed weaving of implementations of types from third-party libraries

[main] Enitites restores their states after persisting failed

[main] Fixed incorrect sorting of insert operations in some cases

[mysql] Fixed substraction of dates

[sqlserver] Fixed substraction of dates

[bulkoperations] Fixed inserts and updates of fields which definded in ancestor

Changes in 5.0.2 Final

[main] Association between Key fields is no longer creates additional index

[main] Fixed behavior when DataObjects.Net puts type identifier to the wrong column

[main] Fixed incorrect behavior of left join in some cases

[main] Fixed clone creation of PhoneNumberConstraint validator

[mysql] Fixed incorrect statement of multiple joins

Changes in 5.0.0 Final

[main] Delayed/Future queries are no longer cached closure variables values in some scenarios

[main] Secondary indexes which includes inherited fields are no longer ignored in some scenarios

Changes in 5.0.0 RC2

[main] Fixed handling of qeries with multiple IN operations in some scenarios

[main] Fixed handling of query to EntitySet<T> which associates with field of Structure

[main] Added map of type identifiers UpgradeContext.UserDefinedTypeMap

[sqlserver] Fixed translation of OnUpdate and OnDelete actions for foreign keys

Changes in 5.0.0 RC

[main] Fixed incorrect sequence of delete or insert queries under certain scenarios

[main] Extended DelayedQuery API

[main] Added support for using dynamically defined fields in LINQ

Changes in 5.0.0 Beta_3

[main] Fixed issue with concurrent writing to file log

[main] Added FieldAttribute.DefaultSqlExpression property

[main] Fixed issue with weaver command line length truncation

[main] Added support for multi-node domains

[main] Fully reworked client session profile

[postgresql] Added support for geospatial types

Changes in 5.0.0 Beta_2

[main] Added support for VB.NET model assemblies

[main] Optimized compilation performance

[main] Fixed problem with automatic license activation

[main] Improved logging provider API

[main] Removed obsolete Transaction.OpenAuto() methods

[main] Session closes connection when last transaction completes

[main] Added session option NonTransactionalReads

[main] Added support for Contains operation over keys collection

[main] Added support for DateTimeOffset fields

[main] Key.TypeInfo no longer relies on implicit session

Changes in 5.0.0 Beta_1

[main] New improved version of Xtensive.Tuples

[main] Validation framework is heavily reworked

[main] PostSharp is replaced with custom persistence weaver

[main] Added String.Like extension method with support in LINQ translator

[main] Persist is optimized to avoid sorting entities that do not have incoming/outgoing FK

[main] Support for .NET 3.5 and Visual Studio 2008 is removed

[main] Added support for DateTime.ToString("s") in LINQ

[main] Added support for ignoring particular tables and/or columns during Domain.Build

[main] Added support for defining recycled fields via external definitions

[main] Object-to-object mapper is removed

[main] Xtensive.Core and Xtensive.Aspects assemblies are removed

[main] Added ReSharper annotations for public API

[main] IEnumerable<IEntity>.Remove() extension method is marked as obsolete

[main] Installer is no longer provided (use NuGet or binaries package instead)

Changes in 4.6.8 Final

[main] Fixed handling of qeries with multiple IN operations in some scenarios

[main] Fixed handling of query to EntitySet<T> which associates with field of Structure

[main] Added map of type identifiers UpgradeContext.UserDefinedTypeMap

[sqlserver] Fixed translation of OnUpdate and OnDelete actions for foreign keys

Changes in 4.6.7 Final

[main] Added UpgradeHandler.TypesMovementsAutoDetection option

[main] Fixed handling of bit operations for long type for many providers

[main] Fixed handling of recycled and recycled nested types under some scenarios

[main] Fixed handling of queries with muliple IN operations

[main] Fixed mapping names of columns under some scenarios

[sqlserver] Fixed dropping of default constraint under some scenarios

Changes in 4.6.6 Final

[main] Added DomainConfiguration.MultidatabaseKeys setting

[main] Fixed incorrect EntitySet caching in ClientProfile

[main] Fixed construction of inherited partial indexes

[main] Fixed NRE when using partial indexes over abstract types

[main] Fixed incorrect type id upgrade when type is moved to another namespace

[oracle] Exclude many standard schemes during extraction

Changes in 4.6.5 Final

[main] Fixed version validation for entities without explicit version columns

[main] Fixed version validation for decimal version fields

[main] Optimized aggregate translation in complex scenarios

[main] Fixed problem with access to nullable enum columns in final projection

[main] Fixed problem with missing calculated columns in final projection

[main] Fixed materialization of delayed queries with parameters in final projection

[main] Implemented merging of duplicated query parameters

[main] Improved handling of unique index conflicts during persist

[main] Implemented query batching when ValidateEntityVersions option is enabled

[sqlserver] Optimized queries that are executed during initialization

[sqlserver] Added support for full text data type columns

[sqlserver] Added ignoring of filetable objects during upgrade and schema validation

[sqlserverce] Fixed translation of DateTime operations in LINQ

[sqlite] Fixed translation of DateTime operations in LINQ

[mysql] Fixed translation of DateTime operations in LINQ

Changes in 4.6.4 Final

[main] Fixed regression in Session.Query.ExecuteDelayed introduced in 4.6.4 RC

[mysql] Fixed removal of self-referenced entities

[sqlite] Fixed extraction of multi-column primary keys

Changes in 4.6.4 RC

[main] Added version validation on persist via SessionOptions.ValidateEntityVersions

[main] Added DomainConfiguration.ConnectionInitializationSql option

[main] Improved diagnostic messages for multimapping configurations when database/schema is not found

[main] Fixed redundant delete queries when clearing key generator tables during upgrade

[main] Fixed NRE in StorageMappingBuilder when persistent type does not have a namespace

[main] Store partial index filter definitions in Metadata.Extension table instead of relying on information schema

[main] Added support for Enum.HasFlags method in LINQ

[main] Improved diagnostic message when non-LINQ method is called within Session.Query.ExecuteDelayed

[sqlite] SQLite library is upgraded to version 1.0.87.0

[sqlserver] Fixed incorrect SQL for table rename in non-default database

[sqlite] Added support for :memory: data source

Changes in 4.6.3 Final

[main] Fixed incorrect column order in queries after certain schema upgrades

[main] Added DomainConfiguration.NativeLibraryCacheFolder setting

[main] Improved initialization time of TupleDescriptors

Changes in 4.6.2 Final

[main] Add DomainConfiguration.AllowCyclicDatabaseDependencies option

Changes in 4.6.1 Final

[main] Fix loading/storing of the domain model when multi-database mode is enabled

[main] Fix assignment of MappingSchema/MappingDatabase for persistent interfaces

[main] Improve exception message for missing default schema in domain configuration

[main] Fix translation of predicates similar to (object) NullableBool == (object) null

[main] Fix translation of Union() over boolean columns under certain conditions

[main] Don't enforce implicit non-nullable/length constraints in inconsistent sessions

[main] Import DataObjects.Net.targets conditionally when using NuGet package

[main] Make UpgradeHandler.IsFieldAvailable virtual

[sqlserver] Treat errors 3966 and 3971 as serialization failure

Changes in 4.6.0 Final

[main] Temporary limit maximal PostSharp version to 2.1.7.16

Changes in 4.6.0 RC

[main] Added NamingRules.RemoveDots and NamingRules.RemoveHyphens

[main] Added Connection and Transaction properties to UpgradeContext

[main] Added Session property to UpgradeContext

[main] UpgradeStage.Initializing is marked obsolete

[main] Added OnPrepare and OnComplete methods to UpgradeHandler which are executed before and after any upgrade

[main] Added advanced version of domain builder module

[main] Correctly clean up key generator tables if entities are created in OnUpgrade() method

[main] Several methods that implicitly use Session are marked as obsolete

Changes in 4.6.0 Beta_3

[main] Added advanced version of LINQ query preprocessor

[main] Fixed redundant query nesting under certain conditions

[main] Fixed redundant subqueries under certain conditions

[main] Improved formatting of SQL when chains of AND/OR operators are used

[main] Key.Create(Session) method has been renamed to Key.Generate(Session)

[main] Added Key.Create() overload that allows to specify TypeReferenceAccuracy

[main] Added DirectSessionAccessor.GetChangedEntities() method

[main] Perform upgrade in single transaction when possible

[sqlite] Added support for using SQLite provider in 64-bit processes

Changes in 4.6.0 Beta_2

[main] Fixed incorrect processing of column rename for non-default database

[main] ServiceContainerBase no longer has finalizer

Changes in 4.6.0 Beta_1

[main] Added support for mapping persistent types to multiple schemas and databases

[main] Key generators API are heavily reworked

[main] Added option to build Domain in parallel where possible

[main] Reduced number of stages when performing upgrade

[main] Removed many unused types from Xtensive.Core assembly

[main] ConnectionInfo, UrlInfo and ICompletableScope types moved from Xtensive.Core to Xtensive.Orm (assembly & namespace)

[sqlite] Added provider for SQLite database

[sqlserver] Use sequences for key generators for SQL Server 2012

[sqlserver] Use native paging operators for SQL Server 2012

Changes in 4.5.8 Final

[main] Fixed invalid key comparison under certain conditions

[main] Fixed EntitySet caching invalid state within DisableSaveChanges() scope

[main] Fixed overflow when storing large TimeSpan values

[main] Fixed invalid default values for SessionConfiguration.DefaultIsolationLevel and SessionConfiguration.Options

[main] Fixed support for referencing connection strings in SessionConfiguration

[mysql] Fixed translation of bitwise operations

[mysql] Fixed translation of DateTime.DayOfWeek and DateTime.DayOfYear

Changes in 4.5.8 RC

[main] Added QueryEndpoint.Items() method for querying EntitySets within compiled queries

[main] Added support for DateTime.AddXxx() methods in LINQ translator

[main] Added support for System.Linq.EnumerableQuery<T> in LINQ translator

[main] Fixed incorrect column references in generated SQL for certain queries

[main] Fixed querying for types with enum type discriminators

[main] Fixed querying for types with enum key fields

[main] Fixed locking of entity that could not be persisted at the moment for some reason

[main] Fixed handling of temporary tables query with zero columns

[main] Fixed translation of GroupJoin() with temporary tables

[main] Fixed translation of Distinct() after Select()

[main] Fixed translation of ThenBy() that implicitly adds joins

[main] Fixed support for LINQ member compilers that return nullable values

[main] Optimized translation of String.IsNullOrEmpty() method

[main] Fixed translation of as with subquery operand

[main] Fixed concurrent access issues with NameBuilder.GetHash method

[main] Fixed incorrect result of FirstOrDefault/SingleOrDefault in certain subqueries

[main] Reduced number of casts in generated SQL when accessing enum fields

[main] Automatically handle namespace-only renames during upgrade

[main] PostSharp is upgraded to version 2.1.7.30

[postgresql] Npgsql is upgraded to version 2.0.12.1

[mysql] MySQL library is upgraded to version 6.7.4

[firebird] Firebird library is upgraded to version 3.0.2.1

[sqlserver] Fixed reading of large SqlDecimal values

Changes in 4.5.7 Final

[main] Fixed translation of GroupBy() over columns with same name

[main] Improved diagnostic message when more than one upgrade handler is provided

[main] Fixed error after changing case of a persistent field

[main] Wrap exceptions occured within user code with TargetInvocationException

[main] Fixed handling of validation aspects on generic types

[main] Fixed translation of In/Contains over field obtained with `as` operator

[main] Fixed translation of In/Contains over arbitrary expressions

[main] Fixed projection to DTO with inheritance

[main] Fixed translation of DateTime properties access on certain expressions

[main] Fixed accessing of IGrouping.Key in subqueries

[sqlserver] Fixed implementation of "truncate" operation on DateTime expressions

Changes in 4.5.6 Final

[main] Fix translation of predicates similar to (object) NullableBool == (object) null

[main] Fix translation of Union() over boolean columns under certain conditions

[main] Don't enforce implicit non-nullable/length constraints in inconsistent sessions

[main] Import DataObjects.Net.targets conditionally when using NuGet package

[main] Make UpgradeHandler.IsFieldAvailable virtual

[sqlserver] Treat errors 3966 and 3971 as serialization failure

Changes in 4.5.5 Final

[main] Temporary limit maximal PostSharp version to 2.1.7.16

Changes in 4.5.5 RC

[main] Omit redundant parentheses in generated SQL for chains of set operations

[main] Correctly handle hierarchy split when doing upgrade

[sqlserverce] Fixed translation of Contains/Any/All under certain scenarios

[mysql] Correctly parse pre-release versions of MySQL (e.g. 5.5.25a)

Changes in 4.5.4 Final

[main] Added community edition

Changes in 4.5.4 RC2

[main] Exceptions on IoC container finalization (usually they appear because dependent objects are already finalized) are now suppressed

[main] Fixed NullReferenceException in EnsureIsFetched method in SessionOptions.ReadRemovedObjects mode

[main] Entity.IsMaterializing property wasn't handled properly

[main] Transaction opening is fixed for SessionOptions.ClientProfile

Changes in 4.5.4 RC

[main] Fixed comparion of Key fields in interaces in LINQ queries under certain scenarios

[main] Visual experience of License Manager has been improved

[main] Fixed incorrect handling of RemoveFieldHint under certain scenarios

[main] Fixed incorrect behavior in DisconnectedEntityState.UpdateOrigin method

Changes in 4.5.3 Final

[main] Fix NullReferenceException under certain validation scenarios

[main] Fixed memory leak in Domain.Build() process

Changes in 4.5.3 RC4

[main] Fix POCO materialization when subqueries are used

[main] Fix translation of multiple aggregate subqueries when calculated columns are used

[main] Throw descriptive exception when RenameTypeHint has invalid old type name

[sqlserver] Improve detection of serialization failure errors for SQL Server

Changes in 4.5.3 RC3

[main] RemoveFieldHint, ChangeFieldTypeHint are now correctly handled for Structure fields

[main] Correctly skip full-text indexes if storage does not support them

[main] Change log is included in distribution

[mysql] Fixed index direction support for MySQL

[mysql] Improved translation of DateTime.Date for MySQL

[mysql] Fixed incorrect translation of Math.Truncate and Decimal.Truncate for MySQL

[mysql] Fixed incorrect translation of String.IndexOf for MySQL

[mysql] Fixed mapping of Single and Double types for MySQL

[mysql] Fixed schema extraction with case-sensitive collation for MySQL

[postgresql] Hex format for byte array literals is used for PostgreSQL 9.0 and later

Changes in 4.5.3 RC2

[main] Validation now works in ClientProfile

[main] Fixed various errors with certian EntitySet usage scenarios in ClientProfile

[main] Fixed "Scope can't be disposed" error under certain query enumeration scenarios

Changes in 4.5.3 RC

[main] Fixed index duplication under certain scenarios

[main] Fixed error about duplicate index name under certain scenarios

[main] Added SessionOptions.SuppressRollbackExceptions