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IBX Change Log version (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000 |
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IBX Change Log version (2.3-0) Mon, 19 Mar 2018 09:45:35 +0000 |
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IMPORTANT: the source code tree has been re-organised for IBX 2.3. Please remove |
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all previous copies of the IBX source code tree before installing this release. |
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The IBX packages used by most users have not changed, with one exception. The |
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IBServices unit has been moved to the package iblegacyServices.lpk. To continue |
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to use the IBServices unit in your applications, please add the iblegacyServices |
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to the list of dependencies. To do this, open the Project Inspector and select |
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Add->New Requirement and select "ibLegacyServices" from the list of available |
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packages. |
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1. New unit IBXServices. The IBXServices unit is a re-architectured update of |
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the IBServices unit providing what is intended to be a clearer and easier to |
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use set of IB Services components. See Chapter 10 of the IBX User Guide for |
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more information and the guide to "Firebird Service Management Using IBX". |
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As indicated above, the legacy services components are still available and |
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provided in a separate package. There is no need to update working applications |
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using the older versions except for an additional package dependency. |
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2. The IBX packages and source code tree have been re-organised in an attempt to |
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finally get rid of the "duplicate ppu" warnings. This re-organisation should |
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not affect existing users. Section 2.3 of the IBX User Guide describes the |
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new set of IBX packages. |
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3. The ibx/examples/DBAdmin and the ibx/examples/services example have been |
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updated to use the new Services API components. |
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4. The iblocal package has been updated to use the new Services API components. |
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5. procedure SetAutoAdmin; in the new IBX Services this method is now a member of |
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TIBXSecurityService. It had been wrongly classified in the previous version |
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as a per database configuration item. It is global to a server and hence |
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correctly positioned as part of the Security Package. In the DBAdmin example, |
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the setting has moved to the mappings page. |
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6. TIBXScript: IgnoreCreateDatabase added. If true then CREATE DATABASE statements |
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are ignored. |
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7. TIBDatabase: DropDatabase now ensures that all transactions have been properly |
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closed before the database is dropped. Before and After Disconnect event handlers |
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are also fired. |
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8. TIBTransaction: OnStartTransaction event now fires every time the transaction |
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is started and not just the first time. |
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9. IBDataOutput: Use FormatFloat for all performance statistics to avoid platform |
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depenendency with comp type. |
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10. IBDataOutput: select query data output is now sent to stdout instead of stderr. |
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11. TIBDatabase: Remove regression. If a user login dialog changes the DatabaseName |
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then this is recognised and not ignored. |
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12. TIBDataSet, TIBQuery, TIBTable: additions: |
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function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean; |
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function GetPerfStatistics(var stats: TPerfCounters): boolean; |
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property EnableStatistics: boolean read FEnableStatistics write SetEnableStatistics; |
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GetRowsAffected returns the affected row counts from the last insert/update/delete |
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if EnableStatistics = true then GetPerfStatistics returns the current stats |
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counters for the select query. Note: stats accumulate after each fetch from |
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the database. To get total query cost after open, call the "Last" method |
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and then GetPerfStatistics. |
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See ibx/examples/consolemode for an example of the use of GetPerfStatistics |
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13. TIBExtract: Identity columns DDL. "Start with clause" now correctly encapsulated |
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in parenthesises. |
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14. TIBExtract: new published property "AlwaysQuoteIdentifiers". If true then in dialect 3 |
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SQL identifiers are always delimited by double quotes. If false, then they are |
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only delimited if the identifier is a reserved word, contains lower case or special |
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characters. Set this property to true to retain previous behaviour. |
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15. Insert SQL Property Editor. In Insert Returning Clause, Identity column names |
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are now inserted in double quotes if not Reserved Words or valid SQL Identifiers. |
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16. TIBDataSet, TIBQuery, TIBTable: addition: |
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property MasterDetailDelay: integer {defaults to zero} |
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When non-zero and the dataset is a detail table referencing a master table |
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through either a MasterSource (TIBTable) or a DataSource (TIBDataSet, TIBQuery) |
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then a synchronisation delay is added (in milliseconds) between the master |
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row changing and the detail dataset being re-opened. If the master dataset |
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is scrolled before the delay expires then the delay is reset. This can be used |
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to avoid performance overheads when scrolling through a large master dataset. |
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Note: uses fptimer and hence requires a thread manager. Under Linux the |
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chreads unit must be included in your project. TTimer is not used in order |
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to avoid an LCL dependency. Requires FPC 3.0.2 or later. |
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17. TIBExtract: User role grants now excluded when etGrantsToUser not specified |
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with Extract Option eoDatabase. |
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18. TIBLookupComboEditBox: Workaround added for https://bugs.freepascal.org/view.php?id=33428 |
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When a deLaoutChanged event is reported on the ListSource dataset, the |
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combobox text is updated. This allows a listsource (detail) to be in a Master/Detail |
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relationship with the control's datasource (master). |
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19. TIBExtract: Full BigInt value range now supported for Generators/Sequences. |
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20. Select Procedures (Procedure type 1) now include "SUSPEND;" clause in their |
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stubs. Pedantic fix really, as procedures output in dependency order anyway. |
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21. TIBExtact: Package Headers and Package Bodies are now included in the extracted |
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DDL (Firebird 3 and later only). |
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IBX Change Log version (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000 |
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NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO |
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AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS |
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RELEASE. |
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NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE. |
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1. IBExtract: Identity columns - add additional check for null column for generator name. |
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2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses. |
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The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further |
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information). However, this is also a very useful mechanism for returning updated computed by |
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column values. Values returned as a result of executing an Insert or Update statement |
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replace existing values in the current row for each corresponding column. |
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|
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Previously, if a dataset's select query included read only (computed by) fields then |
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an automatic row refresh was performed after an insert or update query had been processed, |
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irrespective of the setting of the "ForcedUpdates" property. This has changed such |
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that an automatic refresh is no longer performed if an insert or update query contains |
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a returning clause that updates one or more fields on the current row. A full row |
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refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any |
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field values and the select query contains read only fields. Use of Insert/update |
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returning should be significantly more efficient than executing a refresh query. |
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This behaviour change is intended to be backwards compatible and there should be no need to change |
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existing programs, other than to improve performance by using the new capability. |
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3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as |
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they are called when the dataset row is being deleted, there is no value in |
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updating the current record from the query result. Instead, a new event handler |
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"OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and |
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an OnDeleteReturning event handler is provided then it is called with the IResults returned |
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by the query. The event handler can then interrogate the query results and |
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perform whatever action is necessary. For example to confirm, to the user, |
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the deletion of a row with the returned values. |
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|
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4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for |
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any Computed By or Identity Columns. The IBTables example has been updated to |
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illustrate the computation of the employee Full Name on update. |
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5. TIBTable: The GeneratorField property is now published. |
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6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List. |
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When InsertSQL is generated, the Identity columns are not included in the list of values to |
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be inserted. A RETURNING clause is added to the insert statement to return the value of |
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each Identity column after the insert is executed. |
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|
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7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause. |
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Similarly Insert Property Editor now generates Insert SQL with Computed By fields in |
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Insert..Returning clause. |
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8. TIBGenerator: small performance improvement by not preparing query each time |
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a new value is generated. |
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9. TIBSQL: Free resources when transaction changed - ensures new transaction is used. |
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10. Property editors will now sync table name to a System Table when "Include System |
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Tables" is selected and the query is for a System Table. |
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11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field |
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values are no longer converted to milliseconds from TDateTime and then back again |
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to TDateTime (the conversion to milliseconds is the default TDataset approach). |
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12. Property Editors handling of Stored Procedures. |
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* Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and |
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which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select |
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query). |
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* Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2). |
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13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName |
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can be used to select a package. If non-empty, the stored procedure name is |
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expected to be a stored procedure defined in the specified package and the |
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generated SQL will be as required for a stored procedure located in a package. |
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|
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14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include |
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a "Package Name" drop down box to allow selection of a Firebird 3 Package from |
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which a stored procedure can be selected. With no package name selected, non-package |
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stored procedures are listed. |
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15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting |
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for password on reconnect. |
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16. TIBDatabase: use IAttachment for connection default character set id, code page |
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and character set name. |
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17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise |
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DB info lookups" |
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18. IBExtract: now supports DDL Triggers and Grants to DDL objects. |
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19. Add a property Editor for TIBUpdate.RefreshSQL. |
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20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input |
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parameters. This stops an exception being raised when the field cannot be |
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located in the record buffer. |
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21. Property Editors now automatically include System Tables when opened and when the query table |
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is a System Table. |
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22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception. |
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This avoids errors due to a stale SQRB or SRB being used for the next query. |
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23. IBServices: Service attach parameters now include "expected_db". This is used to |
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add the SPB item isc_spb_expected_db. This names a database using |
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an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a |
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database. examples/services re-written to illustrate use of "expected_db". |
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24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout. |
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This avoids truncated backups when the server returns a timeout (busy) response. |
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25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase. |
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26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local |
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databasenames. These are respectively expanded to the local system's temp directory |
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(including trailing delimiter) or to a prescribed data directory (including |
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trailing delimiter). Under Unix systems the data directory is a hidden directory |
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in the user's home directory. The hidden directory name is either the string returned |
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from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'. |
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Under Windows, the directory is the same as the Data Directory as decribed |
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above but instead prefixed by the User's application data path. These may be |
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used to improve application portability for Personal Databases. |
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|
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27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef |
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this has not worked for a long time and is not useful either. FieldDefs should be |
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managed using the Fields Editor as with any other dataset. To access the fields |
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editor for a TIBTable component, double click on the component. The fields editor |
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is then displayed. |
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|
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28. TIBDatabaseInfo: new properties/function |
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* DateDBCreated (returns date/time database created) |
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* TransactionCount (returns no. of active transactions) |
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* GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only). |
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* PagesFree (Firebird 3 or later) |
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* PagesUsed (Firebird 3 or later) |
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* Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only) |
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* EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only) |
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29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo. |
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30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later). |
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31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable |
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the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later). |
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|
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32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced |
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in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from |
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firing during backup and restore. |
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|
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33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options |
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for verbose output using the new property "StatisticsRequested". |
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see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats |
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34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later). |
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|
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35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin" |
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palette. This uses the online validation feature added in Firebird 2.5. The |
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services's properties enable inclusion/exclusion of tables and indexes using |
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regular expressions. See. |
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https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation |
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|
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36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger |
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option on a database. |
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|
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37. TIBCustomService: Assign method implemented to allow copying of service login |
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context between service API components. "Detach" method now only detaches |
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service when last reference to the service interface detaches. Tidy up of |
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code for SetActive and Attach methods including password hiding. |
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|
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38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only |
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and used to determine the auth method and protocol used for the connection. |
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|
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39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using |
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a Create Database Statement generated by IBX. |
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|
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40. All IBServices now have an additional published property "PortNo". This may |
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be set to a non-standard port number when necessary. If zero then the default |
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port number is used. |
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|
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41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard |
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and not just the mouse. |
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|
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42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added. |
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|
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43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the |
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image index and selected image index for each node to be set from a database field. |
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|
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44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included |
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then database schema includes grants to all users. If not present then the |
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only user grants included are those to User PUBLIC. |
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|
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45. TIBTreeView: performance improvement. When expanding include both expanded node |
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and child nodes in dataset. |
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|
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|
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IBX Change Log version (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000 |
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1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf |
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changes. |
