Virtual Data Access Components History

13.3.1 24-Oct-24

Restored support for RAD Studio 12 Athens Release 1
Added support for Lazarus 3.6

13.3.0 27-Sep-24

Added support for RAD Studio 12 Athens Release 2
Added support for C++Builder 64-bit Windows (Modern) Application Development
Added support for Lazarus 3.4
Fixed bug in VirtualQuery with incorrect results of a query containing the IN operator
Fixed bug in VirtualTable with the "Invalid pointer operation" exception when closing the application

13.2.1 01-May-24

Now Release 1 for RAD Studio 12 Athens, Delphi 12 Athens, and C++Builder 12 Athens is required
Fixed internal bug with TSharedObject

13.2.0 24-Apr-24

Added support for RAD Studio 12 Athens Release 1
Added support for Lazarus 3.2
Added voResetAutoInc in the VirtualTable component that allows to reset AutoInc values on Clear
Fixed bug in VirtualQuery with querying source datasets that contain NULL column values

13.1.0 19-Feb-24

Added support for Lazarus 3.0
Fixed bug with empty field values when insert via the VirtualQuery component

13.0.0 15-Nov-23

Added support for RAD Studio 12
Added support for macOS Sonoma
Added support for iOS 17
Added support for Android 13
Added support for DBMonitor in the VirtualQuery component
Added support for storing AutoInc fields when saving TVirtualTable to XML
Added support for nested Macros in SQL queries
Added support Display Format for Aggregate fields
Added SHA-2(SHA-256, SHA-512) in hash algorithm for encryption
Fixed bug "Assertion failure" when using TVirtualDataSet
Fixed bug with reading MySQL fields of type "bigint" to TVirtualQuery
Fixed bug with incorrect results in the TVirtualQuery when COLLATE NOCASE is used
Fixed bug with a memory leak on closing an application after using TVirtualQuery
Fixed bug with saving/loading fields with Unicode names in the VirtualTable component
Fixed bug with assigning a VirtualTable component that has persistent fields
Fixed bug with editing a source dataset after reopening TVirtualQuery
Fixed bug with inserting BLOBs using TVirtualQuery
Fixed bug with moving the cursor when using Aggregate fields
Fixed bug with deleting a record when using Aggregated fields
Fixed bug with storing empty Aggregates collection in DFM
Fixed bug with AV when installing a package in the IDE
Fixed bug with AV in the CloneCursor method of the dataset
Fixed bug with using Aggregated and InternalCalc fields together
Fixed bug with duplicate resource IDs in CBuilder
Fixed bug with using "NOT Field LIKE" construction in Filter property

12.3.0 17-Mar-23

Added support for RAD Studio 11 Alexandria Release 3
Added support for iOS Simulator ARM 64-bit target platform
Added support for Lazarus 2.2.6
Added support for the YEAR, MONTH, DAY, HOUR, MINUTE, SECOND, GETDATE, DATE, TIME, TRIM, TRIMLEFT, TRIMRIGHT statements in TDADataSet.Filter
Added support for the mathematical operations in TDADataSet.Filter
Added support for Aggregate Fields and InternalCalc Fields
Improved the execution of statement that have either IS NULL or IS NOT NULL in the WHERE clause with TVirtualQuery
Now the SetRange will function according to the case sensitivity of keywords in IndexFieldNames
Fixed bug with AV on using master/detail relationship with VirtualTable
Fixed bug with loading data that already has persistent fields into VirtualTable

12.2.0 12-Sep-22

Added support for RAD Studio 11 Alexandria Release 2
Added support for Lazarus 2.2.2
Added support for iOS 15
Added support for Android 12
Added support of standard collations in a SQL statement in the VirtualQuery component
Added the CloneCursor method for Query and Table components that allows sharing data between datasets
Improved the performance of exporting to XML

12.1.1 12-Apr-22

RAD Studio 11 Alexandria Release 1 is supported
Lazarus 2.2.0 is supported
Windows 11 is supported
macOS Monterey is supported
Fixed bug with executing batch operations with the VirtualQuery component

12.0.2 09-Dec-21

Fixed bug with leading spaces getting trimmed in strings loaded from XML in VirtualTable
Fixed bug with using the AsDate property when working with fields of the ftDate type

12.0.1 13-Sep-21

RAD Studio 11 Alexandria is supported
macOS ARM is supported
Fixed bug with duplicate records when navigating through TVirtualDataSet for which a filter is set
Fixed bug with persistent fields when saving and then reading data from file to TVirtualTable
Fixed bug with setting a DateTime value before the year 1800 to TTimeField
Fixed bug with using a BLOB field in the IndexFieldNames property of the DataSet component
Fixed bug with escaping wildcards in the Filter property of the DataSet component

11.4.4 14-Jul-21

Support for TFieldOptions is added
Bug with the Locate method on ftLongWord fields is fixed
Bug with AV in the TVirtualTable.Assign method is fixed
Bug with AV when executing a DELETE FROM statement using TVirtualQuery is fixed
Bug with corrupted data of a GUID field in TVirtualDataSet is fixed

11.4.3 06-Apr-21

Bug with assigning a BLOB parameter when the source data is loaded via the TParam.LoadFromStream method is fixed

11.4.2 26-Mar-21

Lazarus 2.0.12 is supported

11.4.1 02-Mar-21

RAD Studio 10.4.2 Sydney is supported
macOS 11 Big Sur is supported
iOS 14 is supported
Android 11 is supported
The UseUnicode option in the VirtualQuery component is added
Bug with editing a source dataset after opening TVirtualQuery is fixed
Bug with updting a dataset with fields which contain international characters is fixed
Bug with processing a WHERE clause is fixed
Bug with editing a dataset which acts as a data source for the VirtualQuery component is fixed

11.3.2 14-Sep-20

Now Release 1 for RAD Studio 10.4 Sydney, Delphi 10.4 Sydney, and C++Builder 10.4 Sydney is required

11.3.1 26-Aug-20

Lazarus 2.0.10 and FPC 3.2.0 are supported

11.2.4 01-Jun-20

RAD Studio 10.4 Sydney is supported
Lazarus 2.0.8 is supported
macOS 64-bit in Lazarus is supported
Bug with data loss in the column of type ftLargeint in the VirtualTable component in Lazarus is fixed (VirtualDAC)
Bug with locating a record by a fixed string column in the Chinese locale is fixed
Bug with LocalMasterDetail when DataTypeMapping is enabled is fixed

11.1.3 10-Mar-20

Bug with reading a field value using the AsBytes method in Lazarus is fixed

11.1.2 26-Nov-19

Android 64-bit is supported
Lazarus 2.0.6 is supported
Now Trial edition for macOS and Linux is fully functional
Bug with mapping a MEMO field to a floating-point field type is fixed
Bug with mapping to BCD fields when TClientDataSet is used is fixed
Bug with resetting the range values when executing the Refresh method is fixed

11.0.1 22-Jul-19

macOS 64-bit is supported
Release 2 for RAD Studio 10.3 Rio, Delphi 10.3 Rio, and C++Builder 10.3 Rio is now required

10.6.14 24-Jun-19

Lazarus 2.0.2 is supported
The DefaultSortType property for TVirtualTable is added
Performance of the SaveToFile/LoadFromFile methods of TVirtualTable is significantly increased
Bug with handling BLOB fields in TVirtualTable on the Linux platform is fixed
Bug with attempting to save data to read-only fields when modifying a dataset is fixed
Bug with the AV failure when executing the Refresh method is fixed
Bug with calculating percentage in the OnRestoreProgress event in the TDADump class is fixed
Bug with the StackOverflow exception when using batch operations in CBuilder is fixed
Bug with using the SetRange method is fixed

10.5.13 21-Jan-19

Bug with using the datetime literals in SQL statements in TVirtualQuery is fixed

10.5.12 26-Nov-18

RAD Studio 10.3 Rio is supported
Support of UPPER and LOWER functions for Unified SQL is added
Bug with the Refresh method of TVirualQuery is fixed
Bug with handling BCD fields in TVirtualQuery is fixed
Bug with updating fields which have data type mapping in TVirtualQuery is fixed
Bug with saving a dataset that contains BLOB fields to XML is fixed

10.4.11 17-Sep-18

Automatic detection of the initial value of an AutoInc field in TVirtualTable is supported
Bug with editing data in TVirtualQuery having TVirtualTable as a source is fixed
Bug with mapping an error when a query contains functions like SUM is fixed
Bug with freezing an application when a query contains UNION ALL is fixed
Bug with updating data in TVirtualQuery is fixed
Bug with editing data in TVirtualQuery when the SELECT statement contains the ROWID column is fixed
Several bugs with handling BLOBs in TVirtualQuery are fixed

10.4.10 13-Jul-18

Bug with detection of field data types is fixed

10.4.9 09-Jul-18

Lazarus 1.8.4 is supported
The LocalUpdate property for TVirtualQuery is added
The AutoOpenSources option for TVirtualQuery is added
Bug with reading BLOB fields data on mobile platforms in TVirtualTable is fixed
Bug with using a backslash in the Filter property is fixed

10.3.8 02-Apr-18

Lazarus 1.8.2 is supported
Bug with using field aliases in the SELECT of a source dataset of TVirtualQuery is fixed
Bug with AV failure when ftVariant fields are used in TVirtualDataSet is fixed
Bug with using OR in the WHERE of a source dataset of TVirtualQuery is fixed
Bug with a WHERE clause with a boolean field in TVirtualQuery is fixed

10.3.7 18-Jan-18

Lazarus is supported
Bug with AutoInc fields in TVirtualTable is fixed
Bug with AV in TVirtualDataSet when editing Blob is fixed
Bug with a WHERE clause with a string field in TVirtualQuery is fixed
Bug with using a query with JOIN as a source dataset for TVirtualQuery is fixed
Bug with multiple LIKE in a WHERE clause for TVirtualQueryis fixed
Bug with re-execution of DML statements in TVirtualQuery is fixed
Bug with querying MS SQL Server source datasets is fixed

10.2.6 19-Sep-17

The performance of TVirtualQuery is significantly improved
Application-defined functions in TVirtualQuery are supported
Application-defined collations in TVirtualQuery are supported
AutoInc fields in TVirtualTable are supported
Bug with assertion failure when updating a record in TVirtualQuery is fixed
Bug with compatibility with TkbmMemTable in TVirtualQuery is fixed
Bug with complex WHERE clauses that have several string fields in TVirtualQuery is fixed
Bug with selecting from a dataset with a single record in TVirtualQuery is fixed
Bug with using DAC components in DataModule for Linux is fixed

10.1.5 15-May-17

Bug with using TVirtualQuery with TVirtualTable is fixed

10.1.4 05-Apr-17

RAD Studio 10.2 Tokyo is supported
Linux in RAD Studio 10.2 Tokyo is supported
Bug with processing LEFT JOIN on text fields is fixed
Bug with updating records with text primary key is fixed
Bug when working with the TBytes and TVarBytes fields in TVirtualTable is fixed
Bug with memory leak in TVirtualDataSet is fixed

10.0.3 21-Nov-16

Bug with adding Calculated fields after calling Prepare is fixed
Bug with reopening source dataset is fixed

10.0.2 01-Nov-16

Bug with QueryRecCount when ORDER clause contains CASE..END is fixed
Bug with handling comments in a SQL statement is fixed

10.0.1 08-Sep-16

VirtualTable is renamed to VirtualDAC
TVirtualQuery component is added
TVirtualDataSet component is added

9.7.12 25-Apr-16

RAD Studio 10.1 Berlin is supported
Lazarus 1.6 and FPC 3.0.0 is supported
Bug in Assign method on NULL values in Required fields is fixed
Bug with HTML entities replacing on XML data loading is fixed
Bug with setting the SkipUnsupportedFieldTypes option is fixed

9.6.11 09-Sep-15

RAD Studio 10 Seattle is supported
Now at automatic refresh of Detail dataset the OnBeforeOpen event is not called
Bug with editing Blob and Memo fields used in local filter is fixed

9.5.10 17-Jun-15

Bug with using bookmarks in a filtered dataset is fixed

9.5.9 14-Apr-15

RAD Studio XE8 is supported
AppMethod is supported

9.4.8 14-Jan-15

Lazarus 1.2.6 is supported
Bug with losing data after VirtualTable closing on SaveToStream is fixed

9.4.7 15-Sep-14

RAD Studio XE7 is supported
Lazarus 1.2.4 is supported

9.3.6 31-Jul-14

Support for the Upper and Lower statements in TDADataSet.Filter is added
Support for the ftOraTimeStamp type in TVirtualTable is added
Bug with AV failure on opening TCustomDADataSet when Range was set is fixed
Bug with "Invalid field size" in TVirtualTable is fixed

9.3.5 29-Apr-14

RAD Studio XE6 is supported
Android in C++Builder XE6 is supported
Lazarus 1.2.2 and FPC 2.6.4 is supported
An option for saving all data avoiding filter is added
Bug with Locate when a NULL value is present in the index field is fixed

9.2.4 25-Dec-13

iOS in C++Builder XE5 is supported
RAD Studio XE5 Update 2 is now required
Now .obj and .o files are supplied for C++Builder

9.1.3 18-Sep-13

RAD Studio XE5 is supported
Application development for Android is supported
Lazarus 1.0.12 is supported
Performance is improved
Automatic checking for new versions is added
The ReadOnly property is added
The voSetEmptyStrToNull option is added
Support of the IN keyword in the TDataSet.Filter property is added
Like operator behaviour when used in the Filter property is now similar to TClientDataSet
The possibility to use ranges is added

9.0.2 15-Jul-13

Incorrect XE4 behaviour when re-opening a dataset under iOS is fixed
Bug with time fields in Lazarus is fixed
Bug with varbinary fields in Lazarus is fixed
Bug with positioning of Fields Editor is fixed
Bug with processing persistent fields is fixed

9.0.1 25-Apr-13

Rad Studio XE4 is supported
NEXTGEN compiler is supported
Application development for iOS is supported
Support of TimeStamp, Single and Extended fields is added
Bug with incorrect version displaying in the About box is fixed

8.6 14-Feb-13

Rad Studio XE3 Update 2 is now required
C++Builder 64-bit for Windows is supported

8.5 07-Nov-12

Rad Studio XE3 is supported
Windows 8 is supported

8.2 21-Jun-12

Update 4 Hotfix 1 for RAD Studio XE2, Delphi XE2, and C++Builder XE2 is now required
Bug in design time editor with master-detail relationship is fixed

8.1 02-Apr-12

Lazarus 0.9.30.4 and FPC 2.6.0 are supported
Bug with saving BCD fields to a Stream is fixed
Update 4 for RAD Studio XE2, Delphi XE2, and C++Builder XE2 is now required
Mac OS X in RAD Studio XE2 is supported
FireMonkey support is improved

8.0 15-Sep-11

Embarcadero RAD Studio XE2 is supported
Application development for 64-bit Windows is supported
FireMonkey application development platform is supported
Support of master/detail relationship is added
OnProgress event is added

7.20 15-Jun-11

Possibility to load data without recreating persistent fields is added
Working in design time editor is improved
Lazarus 0.9.30 and FPC 2.4.2 is supported

7.10 10-Mar-11

Delphi & C++Builder XE Starter Edition is supported

7.00 13-Sep-10

Embarcadero RAD Studio XE is supported

6.90 10-Sep-09

Embarcadero RAD Studio 2010 is supported

6.80 27-May-09

Added distinction between empty string and null value when saving/loading string fields
Added support for Free Pascal under Linux

6.70 26-Feb-09

Delphi 2009 and C++Builder 2009 is supported
Extended Unicode support for Delphi 2007 is added (special Unicode build)
Free Pascal 2.2 is supported
Bug with not working CachedUpdates is fixed
Bug with suppressing errors in LoadFromFile is fixed

6.25 14-Nov-07

CodeGear RAD Studio 2007 is supported
Support for TVariantField is added
Bug with locating variant values is fixed

6.10 02-Aug-07

C++Builder 2007 is supported
Bug with adding fields fixed

6.00 20-Apr-07

Delphi 2007 for Win32 is supported
LargeInt fields supported
WideMemo field type in Delphi 2006 is supported
General performance is improved

5.80 16-Feb-07

Added support for Professional editions of Turbo Delphi, Turbo Delphi for .NET, Turbo C++
Bug with AV failure when modifying data in design time is fixed
Bug with loading wide strings is fixed

5.70 07-Jul-06

Support for Delphi 2006 is added
Performance of SaveToFile and LoadFromFile functions is improved (12435)
Modifying FieldDefs is accelerated
Bug in the Editor is fixed

5.55 24-Oct-05

Bug with registration in CBuilder is fixed
Bug with the Filtered property at design-time is fixed (6881)

5.50 29-Apr-05

Support for Delphi 2005 is added
Update Pack 3 is required for Delphi 8
Bug at design-time is fixed (6159)
Bug with boolean fields is fixed (5291)

5.10 10-Sep-04

Bug with large blobs is fixed (4769)

5.00 09-Apr-04

Support for Delphi 8 is added

4.00 08-Oct-02

Delphi 7 support is added
Bug with opening and editing is fixed (2044)

3.90 03-Sep-02

Support for Kylix 3 is added

3.60 18-May-02

Bug with empty strings is fixed (1198)
Bug with adding columns is fixed (1055)

3.50 14-Dec-01

Support for Kylix 2 is added

3.00 20-Feb-01

Support for Kylix is added

2.20 30-Mar-00

Support for C++ Builder 5 is added

2.00 14-Oct-99

Smart refreshing is added

1.00 01-Mar-99

Initial release of VirtualTable