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IBX Change Log version (2.3-5 Build 12234) Sat, 18 Jul 2020 11:13:30 +0100 |
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IBX Change Log version (2.6-0 Build 13976) Thu, 22 Jun 2023 13:49:22 +0100 |
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NOTE: THIS VERSION RE-WRITES THE INTERNAL BUFFER MANAGER AND SHOULD BE CONSIDERED |
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AS BETA SOFTWARE. EVEN THOUGH IT HAS PASSED ALL REGRESSION TESTS, IT CANNOT |
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BE ASSUMED TO BE PRODUCTION READY UNTIL WIDER USE. PLEASE REPORT ANY |
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ISSUES TO support@mwasoftware.co.uk |
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1. Complete rewrite of internal buffer management in order to improve performance |
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and maintainability. Highlights: |
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* Extending the size of the buffer pool no longer has to copy the entire record |
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cache. Instead, a new extent is simply added to the buffer pool. |
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* A memory to memory copy of each display buffer now is avoided when scolling the |
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dataset. |
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* A separate set of buffers is now used for calculated fields. This avoids |
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having to keep copies of calculated field values in the buffer cache. |
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* Compact bitmaps are used to record null status and need to refresh in each |
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buffer. |
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* Display buffer type changed from PChar to TRecordBuffer in line with change of |
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buffer type in FCL-DB. |
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2. TIBUpdateSQL: changes to SQL text will close linked dataset if open. This is |
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to ensure same behaviour as TIBDataset, TIBTable and TIBStoredProcedure. |
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3. TField Provider Flags: pfRefreshOnInsert and pfRefreshOnUpdate are now supported. |
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If either or both of these flags are set at design time (using the fields editor) |
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then this forces a row refresh on respectively insert or update, or both, when the |
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corresponding field is not present in an SQL RETURNING clause. |
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4. TIBCustomDataset.FieldDefsFromQuery moved to a helper class (TFieldDefsMaker) in order to improve |
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maintainability and readability and to add identification of primary key fields. |
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5. TIBQuery, TIBDataset and TIBTable. Traditionally, IBX has implemented the Refresh method |
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as a refresh of the current row. However, this is different behaviour to that described |
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in the FPC documentation for TDataset.Refresh which is described as "refetches the data in |
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the dataset from the underlying database, and attempts to reposition the cursor on |
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the same record as it was". IBX now complies with the FPC definition of Refresh. |
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6. A progammatic Row Refresh should no longer be required. |
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Use Insert/Update... returning to refresh any fields that may change following an |
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insert or update i.e. Identify fields on Insert only, Computed By, Blob and array fields |
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on both. If there are any other fields (e.g. updated by triggers) set the appropriate ProviderFlag |
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for the field at Design Time to force a row refresh if not in the returning clause. |
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7. It should now be possible to insert a row into an empty unidirectional dataset. |
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8. New TIBQuery, TIBDataSet and TIBTable property: BufferChunksInFirstBlock (default 50). |
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This gives the number of buffers in the initial block for the buffer pool in |
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bi-directional datasets. BufferChunks (default 1000) gives the number of buffers |
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in subsequent buffer pool blocks. This avoids large and mostly unused memory allocations |
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for small datasets. |
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IBX Change Log version (2.5-1 Build 13927) Tue, 6 Dec 2022 23:13:00 +0000 |
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1. IBCustomDataset: avoid problem with additions to TFieldType by using a subset instead. |
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2. TIBDynamicGrid: change DrawCellText declaration to comply with laz 2.3.0 |
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3. TIBArrayGrid: change DrawCellText declaration to comply with laz 2.3.0 |
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IBX Change Log version (2.5-0 Build 13868) Fri, 29 Jul 2022 09:52:01 +0100 |
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1. TIBTransaction: new properties |
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property TransactionID: integer read GetTransactionID; |
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property IsReadOnly: boolean read GetIsReadOnly; |
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{published} |
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property TransactionName: string read FTransactionName write SetTransactionName; |
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2. IBCustomDataset: per row blob and array buffer cached clear before processing |
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Insert or Update...Returning. This allows blobs and arrays to be returned |
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by the statement. |
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3. TSQLXMLReader moved from IBXScript to package fbintf unit IBUtils. |
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4. TransactionName initialised to a newly generated GUID if empty. |
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5. New unit: IBJournal. This provides the TIBJournal component which is a wrapper |
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for the fbintf package's journaling capability. TIBJournal is used to set the |
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file path and filename for the journal file and to Enabled (start journaling) and |
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disable (stop journaling). See fbintf/doc/README.ClientSideJournaling.pdf for |
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more information, and comments in IBJournal.pas. |
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6. TIBDatabase.InternalTransaction is now a read only transaction. |
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7. Bug fix: blob id no longer set to null on update when blob has not been |
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retrieved. |
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8. Row auto refreshed on update/insert if blob or array field updated and field |
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not in a returning clause. |
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9. ColumnCount moved from record buffer header to a single per dataset count. Reduces |
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buffer overhead and avoids problem when refresh query has a different column |
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count to select query i.e. incorrectly changing number of columns. |
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10. IBExtract: support added for UDR Functions, Procedure and Trigger declarations. |
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11. TIBDatabaseInfo. New property FirebirdVersion. This returns the current Firebird version |
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string. Note that the Version property returns an InterBase compatible version string. |
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12. IBExtract: ensure sql identifiers returned as a LIST are always quoted. |
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IBX Change Log version (2.5-0 Build 12933) Mon, 29 Nov 2021 14:59:54 +0000 |
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1. IBCustomDataset: Modify TISQL component now defaults to GoToFirstRecordOnExecute := true. |
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This is for compatibility with Firebird 5 where Update...Returning can return |
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a cursor. |
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IBX Change Log version (2.4-3 Build 12886) Sat, 23 Oct 2021 14:58:30 +0100 |
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1. Add try-..except check when initially loading library in IDE. This should |
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ensure that IDE continues to load even when a failure occurs in IBX load |
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library. |
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2. IBXScript: now recognises a CASE...END block within a stored procedure and |
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hence will correctly detect end of the outer containing block when the block |
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contains a SELECT ... CASE ... END construct. |
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3. IBExtract: some further tidying up to remove extraneous white space. |
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4. IBCustomDataSet: DefaultFieldClasses array declaration updated to avoid compile time |
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errors when extra elements are added to DB.TFieldType. |
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5. IBUpdate: updated to reflect changes to ISQLParam. |
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6. IBXScript: now correctly parses a DECLARE statement which includes a quoted string. |
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7. IBExtract: for ODS >=13, increment generator value by one for ALTER SEQUENCE statement. |
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8. IBSQL: Support for scrollable cursors added (note: local databases only) |
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IBX Change Log version (2.4-2 Build 12773) Mon, 23 Aug 2021 11:59:42 +0100 |
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1. TIBDatabaseInfo: review and tidy-up of property types. Most widen to int64 with the |
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exception of those defined to be one byte wide e.g. DBImplementationNo. |
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2. TIBSQL: Batch Update/Insert support added. |
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3. TIBStoredProc: when generating the SQL, the value of the StoredProcName property |
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is no longer automatically converted to upper case when it is syntactically a |
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SQL Identifier. This is to support the use of stored procedures defined e.g. |
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as CREATE PROCEDURE "iCASE". |
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There could be a backwards compatibility issue when the StoredProcName was entered |
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manually at design time. That is not selected from the drop down list. If the |
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StoredProcName is entered in mixed case and the procedure was declared e.g. as |
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CREATE PROCEDURE iCASE, then the SQL generation will be incorrect. You should |
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ensure that the value of the StoredProcName is all upper case, unless it was |
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declared under dialect 3 and explicitly as mixed case (i.e. delimited by double |
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quotes). |
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Note that when a stored procedure name was declared delimited in double quotes, |
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as in the first example above, the value of the StoredProcName property must not |
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include the delimiters (double quotes). |
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4. IBXUpgradeConfFile: an exception is now raised if a patch file specified in |
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upgrade.conf was not found. This replaces silently ignoring the problem. |
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5. TIBLocalDBSupport: new property "SectionHeaderTemplate". This defaults to |
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'Version.%.3d' and is used to generate the section header names (for a given |
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version no.) in the upgrade.conf file. |
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IBX Change Log version (2.4-1 Build 12550) Wed, 23 Jun 2021 13:59:14 +0100 |
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1. -c command line option added to fbsql example program. Used to set connection |
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character set. |
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IBX Change Log version (2.4-0 Build 12543) Mon, 22 Feb 2021 11:00:08 +0000 |
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1. Firebird 4 support added. |
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2. New FB4 data types TIME WITH TIME ZONE, TIMESTAMP WITH TIME ZONE, DECFLOAT and |
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extended precision NUMERIC fields are supported. |
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3. TFmtBCDField is used to support access to DECFLOAT and extended precision NUMERIC fields. |
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4. TIBDateTimeField and TIBTimeField are introduced in support of TIMESTAMP WITH TIME ZONE |
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and TIME WITH TIME ZONE fields. These inherit from TDateTimeField. |
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5. IBExtract now supports FB4 enhancements: |
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- new data types as above |
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- Identity column extensions |
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- Default user role |
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- SQL Security clause for Database, Tables, Procedures, Functions and Triggers |
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- Internal Functions |
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6. IBExtract: new event: OnExtractLines. |
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7. IBExtract: revert create trigger to legacy syntax see Firebird CORE-6243, CORE-5545 and DOC-145 |
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8. IBXServices: Server version no. parsing now allows any letter before major version number |
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and is no longer restricted to 'V' e.g. "LI-T4.0.0.1436 Firebird 4.0 Beta 1" |
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9. TIBDataSet and TIBQuery: new property TZTextOption. Used to determine the default |
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format for rendering a time zone. |
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10. TIBDataSet and TIBQuery: new property DefaultTZDate. Used to provide the default date |
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to convert TIME WITH TIME ZONE data type values to and from GMT. |
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11. Unit name IBTypes changed to IBInternals. Internal interfaces TIBGUIInterface and TIBTimerInf renamed to |
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IIBGUIInterface and IIBTimerInf respectively. |
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12. Constants: DPBPrefix and TPBPrefix moved to IB unit. DPBConstantNames and TPBConstantNames |
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now accessible as properties of TIBDatabase and TIBTransaction respectively. |
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13. String Fields: when a fixed character with (CHAR) field is returned, it is now |
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truncated to its fixed character width rather than being right padded with |
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white space to the maximum data size. |
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14. TIBTable.Empty table. In additional to deleting all records in the underlying |
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table, the internal buffers are now also flushed ensuring that the TIBTable is |
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also empty. |
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15. TBatchSQLStatementReader: Line buffer is now cleared on call to reset. |
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16. TIBXControlService descendents: DatabaseName may now be set using a database |
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connect string. The database name is extracted from the connect string. |
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17. DBControlGrid: Minor bug fixes. avoid AV on form closure, avoid black panel |
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18. TIBExtract: Data type of COMPUTED By columns is no longer included in SQL. |
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19. Local database on Linux and with legacy API and FB 2.5 embedded server: fixed problem with password |
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not being present as required. |
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20. IBTreeView split into DBTreeView and IBTreeView. This former is an IBX indepedent |
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version that can be customised to work with other database drivers. |
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21. ISQLMonitor: use platform specific LineEnding to delimit messages. Avoids |
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unnecessary CR at end of line on Unix platforms. |
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22. ISQLMonitor: Unix: Default semaphore timeout increased from 1 second to 10 |
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seconds in order to reduce risk of message loss. |
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23. ISQLMonitor: read and write count statistics now available via: |
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property TIBSQLMonitor.ReadCount; |
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IIBSQLMonitorHook.GetWriteCount: integer; |
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24. ISQLMonitor tidy up and unit split. IPC functions moved to new unit IBIPC. |
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IBX Change Log version (2.3-5 Build 12350) Tue, 25 Aug 2020 16:11:02 +0100 |
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1. TIBStringField: when a string value is read from a dataset buffer, if the |
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number of UTF8 characters exceeds the string size then string is truncated |
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SQLFilterParams property is assumed to be a SQL condition clause and |
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ANDed into the Where clause of the SQL Select statement provided as a |
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dataset property. Each such SQL condition thus acts as an additional filter |
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on the dataset. (Not yet tested) |
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on the dataset. |
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3. The Filtered property inherited from TDataset is no longer used for SQL (server |
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side filters). |
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4. IBLookupComboEditBox: Selection should no longer reset to start of text when |
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text matches complete entry. |
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5. TIBDataLink: Detail Dataset params not refreshed unless both master and detail |
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dataset are active (avoids risk of access violation if master is inactive) |
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6. TIBEvents: Registered property can now be set at design time even if database not open |
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7. TIBEvents: component now correctly re-initialised after call to UnregisterEvents. |
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This should prevent "spillover" of events between sessions. |
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8. TIBCustomDataset: GetNextRecord now called when reseting to first record of a unidirectional dataset. |
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This should ensure that the internal buffer is set up correctly and avoids |
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a duplicate initial row. |
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9. TIBStringField: DataSize now given as byte size of string less trailing any zero character. |
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That is, the DataSize should be the field size * character set width. The |
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value returned by DataSize is now the same as the Dataset buffer size reserved |
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for the field. |
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10. IBExtract: Tidyup of SQL generation. Avoid unnecessary double quotes. |
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11. TIBCustomDataset: Add checks on buffer sizes when copying data from row to field buffer |
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and vice-versa. This may result in an exception being raised (correctly) for |
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older programs when using dataset fields added to a form and the database has been |
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upgraded. For example, computed fields can change from 32-bit to 64-bit integers. |
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In such cases, the field needs to be deleted in the IDE fields editor and then |
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added back in. |
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12. IBCustomDataSet: CanInsert, CanEdit, CanDelete and CanRefresh updated to return |
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false if query contains only white space and not just empty. |
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12. IBCustomDataset: Blob data is now cleared when TDataSet.Cancel is called. This |
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should ensure that (e.g.) a TDBMemo is correctly refreshed after a dataset edit |
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is cancelled. |
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13. IBCustomDataset: SetArrayIntf should no longer cause an access violation if |
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called on a null field. |
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14. IBCustomDataSet: An access violation should no longer occur when calling CancelUpdates |
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results in an empty dataTC86 Client side Filtered Dataset 1 X |
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set. |
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15. IBCustomDataSet: OnUpdateError should now be called in all circumstances when |
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a cached update is applied and an exception is raised. |
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16. IBCustomDataSet: Avoid access violation when SetBookmarkData called with nil pointer. |
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17. Console Mode Local Database support: backup/restore should now work correctly. |
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18. Local Database Support: if an upgrade fails, a downgrade is now performed if |
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possible and an exception raised. |
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19. MinimumVersionNo added to Local Database Support. Database will not open if |
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below this version no. and upgrade not possible. |
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IBX Change Log version (2.3-4 Build 12041) Fri, 17 Apr 2020 14:00:32 +0100 |
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1. TIBXDataSet and Generators: Generator Names that are not all upper case or |
