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Revision: 149
Committed: Mon Feb 26 16:16:33 2018 UTC (3 years, 2 months ago) by tony
File size: 48935 byte(s)
Log Message:
Fixes merged
Line File contents
1 IBX Change Log version (2.2-0) Mon, 26 Feb 2018 11:49:23 +0000
3 1. IBExtract: Identity columns - add additional check for null column for generator name.
5 2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
6 The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
7 information). However, this is also a very useful mechanism for returning updated computed by
8 column values. Values returned as a result of executing an Insert or Update statement
9 replace existing values in the current row for each corresponding column.
11 Previously, if a dataset's select query included read only (computed by) fields then
12 an automatic row refresh was performed after an insert or update query had been processed,
13 irrespective of the setting of the "ForcedUpdates" property. This has changed such
14 that an automatic refresh is no longer performed if an insert or update query contains
15 a returning clause that updates one or more fields on the current row. A full row
16 refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
17 field values and the select query contains read only fields. Use of Insert/update
18 returning should be significantly more efficient than executing a refresh query.
20 This behaviour change is intended to be backwards compatible and there should be no need to change
21 existing programs, other than to improve performance by using the new capability.
23 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
24 they are called when the dataset row is being deleted, there is no value in
25 updating the current record from the query result. Instead, a new event handler
26 "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
27 an OnDeleteReturning event handler is provided then it is called with the IResults returned
28 by the query. The event handler can then interrogate the query results and
29 perform whatever action is necessary. For example to confirm, to the user,
30 the deletion of a row with the returned values.
32 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
33 any Computed By or Identity Columns. The IBTables example has been updated to
34 illustrate the computation of the employee Full Name on update.
36 5. TIBTable: The GeneratorField property is now published.
38 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
39 When InsertSQL is generated, the Identity columns are not included in the list of values to
40 be inserted. A RETURNING clause is added to the insert statement to return the value of
41 each Identity column after the insert is executed.
43 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
44 Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
45 Insert..Returning clause.
47 8. TIBGenerator: small performance improvement by not preparing query each time
48 a new value is generated.
50 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
52 10. Property editors will now sync table name to a System Table when "Include System
53 Tables" is selected and the query is for a System Table.
55 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
56 values are no longer converted to milliseconds from TDateTime and then back again
57 to TDateTime (the conversion to milliseconds is the default TDataset approach).
59 12. Property Editors handling of Stored Procedures.
60 * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
61 which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
62 query).
63 * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
65 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
66 can be used to select a package. If non-empty, the stored procedure name is
67 expected to be a stored procedure defined in the specified package and the
68 generated SQL will be as required for a stored procedure located in a package.
70 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
71 a "Package Name" drop down box to allow selection of a Firebird 3 Package from
72 which a stored procedure can be selected. With no package name selected, non-package
73 stored procedures are listed.
75 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
76 for password on reconnect.
78 16. TIBDatabase: use IAttachment for connection default character set id, code page
79 and character set name.
81 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
82 DB info lookups"
84 18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
86 19. Add a property Editor for TIBUpdate.RefreshSQL.
88 20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
89 parameters. This stops an exception being raised when the field cannot be
90 located in the record buffer.
92 21. Property Editors now automatically include System Tables when opened and when the query table
93 is a System Table.
95 22. IBServices: SQRB and SRB buffers are now reset when service query throws and exception.
96 This avoids errors due to a stale SQRB or SRB being used for the next query.
98 23. IBServices: Service attach parameters now include "expected_db". This is used to
99 add the SPB item isc_spb_expected_db. This names a database using
100 an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
101 database. examples/services re-written to illustrate use of "expected_db".
103 24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
104 This avoids truncated backups when the server returns a timeout (busy) response.
106 25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
108 26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
109 databasenames. These are respectively expanded to the local system's temp directory
110 (including trailing delimiter) or to a directory a prescribed data directory (including
111 trailing delimiter). Under Unix systems the data directory is a hidden directory
112 in the user's home directory. The hidden directory name is either the string returned
113 from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
114 Under Windows, the directory is the same as the Data Directory as decribed
115 above but instead prefixed by the User's application data path. These may be
116 used to improve application portability.
118 27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
119 this has not worked for a long time and is not useful either. FieldDefs should be
120 managed using the Fields Editor as with any other dataset. To access the fields
121 editor for a TIBTable component, double click on the component. The fields editor
122 is then displayed.
124 28. TIBDatabaseInfo: new properties/function
125 * DateDBCreated (returns date/time database created)
126 * TransactionCount (returns no. of active transactions)
127 * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
128 * PagesFree (Firebird 3 or later)
129 * PagesUsed (Firebird 3 or later)
130 * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
131 * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
133 29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
135 30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
137 31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
138 the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
140 32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
141 in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
142 firing during backup and restore.
144 33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
145 for verbose output using the new property "StatisticsRequested".
146 see
148 34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
150 35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
151 palette. This uses the online validation feature added in Firebird 2.5. The
152 services's properties enable inclusion/exclusion of tables and indexes using
153 regular expressions. See.
156 36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
157 option on a database.
159 37. TIBCustomService: Assign method implemented to allow copying of service login
160 context between service API components. "Detach" method now only detaches
161 service when last reference to the service interface detaches. Tidy up of
162 code for SetActive and Attach methods including password hiding.
164 38. TIBDatabase: new proterties: AuthenticationMethod and RemoteProtocol. Read only
165 and used to determine the auth method and protocol used for the connection.
167 39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
168 a Create Database Statement generated by IBX.
170 40. All IBServices now have an additional published property "PortNo". This may
171 be set to a non-standard port number when necessary. If zero then the default
172 port number is used.
174 41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
175 and not just the mouse.
177 42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
179 43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
180 image index and selected image index for each node to be set from a database field.
182 44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
183 then database schema includes grants to all users. If not present then the
184 only user grants included are those to User PUBLIC.
186 45. TIBTreeView: performance improvement. When expanding include both expanded node
187 and child nodes in dataset.
190 IBX Change Log version (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
192 1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
193 changes.
195 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
196 Bug could result in truncated multi-byte character set values.
198 3. Changes consequential on moving fbintf character set utility functions from
199 IFirebirdAPI to IAttachment.
201 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
203 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
204 results in autocomplete ignoring prefix text.
206 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
207 entering a new name into the text box.
209 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
210 Firebird rather than recomputing it.
212 8. Property Editor positioning tidy up: All IBX Property editors should now be
213 screen centre. Previously some were "poDesigned" which may be inappropriate
214 for multi monitor desktops.
216 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
218 11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
219 a transaction and always reset the object.
221 12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
223 13. TIBXScript: Allow for override of database filename in Create Database statements.
225 14. IBLocaldb: Support initialisation of the database from an SQL script in addition
226 to a gbak format archive.
228 15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
230 16. IBLocaldb: Drop database if error creating an empty database.
232 17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
233 unless selected node not in current dataset.
235 18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
236 to TIBCustomService, and IBlocalDB code tidy up.
238 19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
239 behaviour due to uninitialised variable.
241 20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
242 integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
244 21. IBSQL: When Database changed ensure that all resources are freed.
246 22. IBCustomDataset: When database changed ensure that queries an unprepared.
248 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
249 * Line Wrap on SQL Token boundaries (on user command)
250 * auto-complete table names in drop down list of table names
251 * Double click on tablename or field name adds to SQL text
253 24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
255 25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
256 TVariantArray. Seems to avoid memory corruption in Windows (probably a
257 workaround for a problem in fpc 3.0.4 win64).
259 26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
261 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
263 IBX Change Log version (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
265 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
266 include remote system name.
268 2. TIBExtract: No longer include comment header and COMMIT statement for empty
269 tables when data included in output.
271 3. Profiling: IBSQL now has conditional compilation flags to enable query performance
272 and timing information to be written to stdout. This may be used to locate
273 performance bottlenecks.
275 4. SQLParser: only call "OnChanging" event handler when value is different.
277 5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
279 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
280 that BindFields is called when the query is next activated. Avoids FieldName
281 not found error.
283 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
284 purpose and allows the programmer to define any action they want for Update, Insert
285 or Delete. This may be complex SQL (similar to a Trigger), application specific
286 filtering of updates, or use of statements such as Grant or Revoke instead of
287 normal DML. See User Manual for more information.
289 IBX Change Log version (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
291 1. TIBEvents: Fix uninitialised variable that could result in lost events.
293 2. TIBExtract: Added support for FB3 "USAGE" privilege.
295 3. TIBExtract: data formatted as Charset set "octets" is now output using
296 hexadecimal notation.
298 4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
299 using a simple XML format.
301 5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
302 grants to these objects.
304 6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
305 dependency problems restoring complex databases.
307 7. TIBXScript: This component has been restructured to allow for the processing of
308 embedded XML in INSERT statements and to support interactive sources in addition
309 to non-interactive data sources such as files.
311 8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
313 9. TIBXScript: ISQL compatiable Set statements are now supported:
321 SET NAMES <character set>
323 10. IBVersion unit added to hold current IBX Version Number information.
325 11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
326 and domain definitions.
328 12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
329 fully supported.
331 13. TIBExtract: when a database dump includes data, the generator values are now also set.
333 14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
335 IBX Change Log version (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
337 See also doc/IBX4LazarusGuide.pdf for important information on
338 upgrading to IBX2.
340 1. Size property of TIBStringField is now the width in characters of the field
341 and not the byte length. This applies only to multi-byte character sets such
342 as UTF8. The original approach aligned with TStringField. However, the TStringField
343 code is not recognised as a bug and hence this change to align the behaviour.
344 The TStringField change is expected in fpc 3.2.0.
346 2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
347 true (default) then Size property value saved in the lfm is ignored. Size is
348 always set from the dynamic information read from the database. It is unclear
349 why anyone would want to override this and set Size to false.
351 3. ibxscript: should now handle correctly a Case..End statement within a procedure
352 block.
354 4. IBDatabase: new property - CreateIfNotExists. If true and database does not
355 exist when an attempt is made to connect to it (run time only) then an attempt
356 is made to create the database.
358 5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
359 has been successfully created as a result of a call to CreateDatabase or when
360 creating a database after it was found not to exist.
362 6. DBControlGrid: a race condition could result in the wrong row image being
363 written to the cache. This has been avoided by a trip round the message
364 loop before rendering the row image.
366 7. DBControlGrid: It is strongly recommended not to open the source DataSet for
367 a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
368 known to risk corrupt rendering of row images when the control is first
369 displayed. If necessary use "Application.QueueAsyncCall" to delay opening
370 of the dataset (see DBControlGrid examples) until the Form's Window has been created.
372 8. DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
373 a TDateEdit control located on an editor panel.
375 9. TIBExtract: brought up-to-date plus many bug fixes.
377 10. DBControlGrid: Removed memory leak when updating rows.
379 11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
381 IBX Change Log version (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
383 1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
384 when target codepage is CP_NONE. This is a workaround for
387 2. DBLog option removed from TIBStatisticalService - not supported by server
388 since Firebird 1.5.
390 3. ibxscript: An error is no longer generated for "on commit preserve rows" or
391 similar.
393 4. IBCodePage: updated mapping between codepages and character id.
395 5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
396 Firebird. Character sets with a char width of two are not UTF16.
398 6. Strings received from the database are now always transliterated into UTF8
399 regardless of the database character set or connection character set. This
400 is for compatibility with the LCL.
402 IBX Change Log version (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
404 1. IBBlob: Defer reading of blob until read method called. This avoids having to
405 read in an entire blob just to get the size of the blob. General performance
406 improvement when opening datasets containing blobs.
408 2. Clearing a Blob now sets the corresponding field's modified flag.
410 3. IBLookupCombo: When not performing auto-complete, original query sort order
411 is now used.
413 4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
414 determined.
416 5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
418 6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
419 lazarus 1.6.0
421 7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
422 compilation error.
424 IBX Change Log version (1.4-1) Tue, 17 May 2016 09:14:51 +0100
426 1. No character set specified for connection: when a text blob is retrieved, the
427 character set is determined by looking up the native character set using then
428 Firebird API. Otherwise a text mode blob is assumed to have the same character
429 set as the connection.
431 2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
432 for Login Dialog returing a change to the database path.
434 3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
435 to be changed from that given in the TIBDatabase/TIBServer component and for the
436 entered value to be saved on a project specific basis (design time only).
438 4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
439 column fieldname. If they are the same then it is acts as a look up for the KeyValue
440 Otherwise, it sets the column text to the selected ListField Value.
442 5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
443 column width.
445 6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
446 and a case insensitive search is requested.
448 7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
449 or column ListSource.
451 8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
452 unprepare) when closing and the text has not changed.
454 9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
455 Less likely to cause a cursor re-use error on Windows.
457 10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
458 Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
460 11. TIBTreeView: Guard against nil destination on record changed
462 12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
463 string type with the code page set to reflect the returned field encoding after
464 Firebird driver transliteration, if any. FPC 3.0.0 onwards only. Behaviour unchanged for
465 earlier versions.
467 13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
468 will now result in transliteration to the code page specified for the Firebird driver
469 if the assigned string has a different code page. FPC 3.0.0 onwards only.
471 14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
472 is ignored and the lc_ctype value, when the database is opened, is set to align with
473 the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
474 platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
475 3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
476 the GETACP is used to determine the Windows code page.
478 15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
479 name used as the lc_ctype when the database was opened. Only valid while the
480 Database is connected.
482 16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
483 id that corresponds to the DefaultCharSetName.
485 IBX Change Log version (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
487 1. Unix: If Firebird Embedded Server shared object is loaded and a local database
488 path is given and database attach fails due to access permission issues on the
489 temp directory or security database, then the attach is retried with "localhost:"
490 prefixing the databasename. This should avoid problems when the database has to
491 be accessed by a local (e.g. classic) server and libfbembed is used.
493 2. Windows: revised search order for Firebird DLL:
494 i. The Firebird Embedded Server in the application Directory.
495 ii. If the FIREBIRD environment variable is set then the directory this
496 points to is searched for the FB Client DLL and then then underlying
497 "bin" directory.
498 iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
499 is used to locate the Firebird installation directory and the underlying
500 "bin" directory is searched for the FB Client DLL.
501 iv. The Default installation directories C:\Program Files\Firebird\Firebird_2_x
502 are searched for the FB Client DLL.
503 v. The PATH Environment variable is used to search for the FB Client DLL.
504 vi. Finally the PATH Environment variable is used to search for IBASE.DLL.
506 3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
507 See doc/readme.scriptengine and example applications.
509 4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
510 simplify the use of the embedded firebird server on both Linux and Windows platforms.
511 See dpc/readme.localdatabase and example applications.
513 5. IBDynamicGrid: Reordering on column header click should now also work for
514 dynamic columns.
516 6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
517 between incrementing/decrementing the lock count and signalling the event.
519 IBX Change Log version (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
521 1.3.2 was never formally released and only made available as beta copies.
523 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
525 2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
527 3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
529 4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
530 i.e. when it is a calculated field
532 5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
533 This problem was due to a race condition between recalculating row heights and
534 determining which row was selected by the mouse click. The row height calculation
535 is now deferred by an extra trip round the message loop allowing the row to
536 be always calculated on the current grid layout rather than risking it being
537 calculated on the grid layout after the expanded row has been shrunk.
539 6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
540 Windows.
542 7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
543 These properties allow the (Firebird) character set name for the field and the max number of bytes per character
544 to be determined at runtime. See doc/readme.charactersets.html.
546 8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
547 TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
549 9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
550 TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
551 1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
553 Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
554 from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
555 implies no truncation.
557 10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
559 11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
560 (avoids "Not in Edit Mode" error).
562 12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
564 13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
565 DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
567 14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
569 15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
571 16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
573 17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
575 IBX Change Log version (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
577 1. OnCloseUp Event Handler added to TDBLookupProperties
579 2. IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
580 problem with row size when exception is called.
582 3. IBLookupComboEditBox: Force pending autocomplete on combobox exit.
584 4. IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
585 in a TCustomComboBox and ignores return key if in a TCustomMemo
587 5. IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
588 keyed in i.e. when autocomplete not performed
590 6. Cleanup of "Uses" clauses and add console mode support. IBX should now support
591 console mode applications with all LCL required functions (builtin dialogs and
592 cursor management) centralised in the IBDialogs unit. As long as "IBDialogs" is
593 not included in your project, IBX should compile and link with a console mode program.
594 See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
595 console mode application or the IDE will automatically assume that your
596 application is GUI based. Instead, you should include the ibexpressconsolemode package.
598 IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
599 to use the built in dialogs and cursor management. IBDialogs is
600 included by default if "ibexpress" is in your project source's "uses" clause.
601 This should be the case for all projects created through the IDE. This is why
602 you do not want to add the ibexpress package to console mode applications. The
603 ibexpressconsolemode package has been created to allow console mode programs
604 to avoid adding LCL dependencies when using IBX, while still having the
605 unit search paths set up correctly.
607 Existing users should check to ensure that the "ibexpress" unit is included in
608 each project's source file (*.lpr).
610 You may find that in order for the IDE to recognise that ibexpressconsolemode
611 exists, you have to first open the package in the IDE and then close it. This
612 adds it to the most recently accessed packages list. To make it permanently
613 available, add the package name to lazarus' file.
615 Thanks to Julio Jiménez for suggesting support of console mode.
617 7. SQL Parser can now accept quoted strings that include new lines
619 8. IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
620 of text on start of edit. This is particularly useful when tabbing to a
621 column and then inserting text.
623 9. New Examples provided for IB Services and ISQLMonitor.
625 10. Fix error when writing to blob streams that recorded only the last buffer
626 write in the blob stream. In most cases, this did not cause a problem as the
627 IB Blob Stream is written in a single write. However, with the TDBImage, write
628 of a graphic type prefix was lost which caused a problem when the image could
629 not be automatically recognised.
631 11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
632 already open" errors due to random numbers used for the cursor name being identical.
634 12. IBTable: corrected error that could result in an "Index out of bounds" error
635 when opening the table and the Primary Key is the last or only column in the
636 table. Thanks to Rick Hoover for the fix.
638 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
639 of "UTF-8", and update list of available database character sets. Existing
640 users should check the current lc_ctype setting in their applications.
642 IBX Change Log version (1.2-4) Sat, 09 May 2015 12:38:29 +0100
644 1. Firebird Services: avoid List Index error when opening a service with an
645 empty Params property.
647 2. IBControls: Fix problem with new link mechanism introduced in 1.2.3.
648 Link now set up in Loaded method - avoids occasional failure to apply
649 SQL markup on initial open.
651 3. "Employees" example performance improvements when scrolling.
653 4. DBControlGrid: Correctly handle edit panel removal when panel is child control of a
654 TFrame. Force recaching of selected frame to avoid GTK race (results in a
655 random image cached).
657 5. DBControlGrid: Should now react to changes in panel height at run time.
659 6. IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid
660 even when further rows exist.
662 7. DBControlGrid: DefaultRowHeight is no longer a published property as it should
663 always be derived from panel height and setting this property can cause confusion.
664 Note for existing projects: to avoid a missing property error at run time,
665 each form using the DBControlGrid must be opened, updated and saved in the IDE
666 in order to remove the property value from the lfm.
669 IBX Change Log version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
671 1. TIBStoredProc. Prepare now called by ParamByName to avoid need to always
672 call Prepare before setting parameter values.
674 2. Error message on ParamByName (all cases) not found now includes name of missing parameter.
676 3. Code tidyup and more robust handling of dsql information result vector.
678 4. Support for centralised handling of transaction status changes. TIBTransaction
679 has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
680 and "AfterExecQuery". The first three are called after the same event is called
681 for an IBCustomDataSet descendent using the Transaction. The fourth is called
682 after a call to TIBSQL.ExecQuery, again using this transaction. These new events
683 enable monitoring of transaction status changes for a given transaction to be
684 handled in a single place. For example, when a change to the dataset occurs
685 an indicator can be set that shows the user that in order to save changes,
686 the transaction should be committed. Rather than doing this per dataset, this
687 can now be done per transaction.
689 5. TDataSet.CheckBrowseMode automatically posts changes to the current row when
690 the dataset is scrolled. However, any changes to the current row are, by default,
691 discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
692 have a new property "DataSetCloseAction" that adds automatic posting of changes
693 on dataset close. If this property is set to dcDiscardChanges (default) then the
694 behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
695 then IBX will attempt to post any unsaved changes before the dataset is closed
696 (and after the BeforeClose event handler is called). The exception is when the
697 dataset is being closed as a result of a transaction rollback. In this case,
698 no action is taken and any unsaved changes are discarded. This avoids both
699 unnecessary overhead and the risk that a validation error may occur in the Post
700 raising an exception and thereby preventing a rollback.
702 6. String Field sizes and Display Widths should now be correct for multi-byte character sets.
703 In earlier versions, the Display Width was set to the maximum byte width rather than the character
704 width. Display Widths are now corrected by dividing by the max byte width per character.
705 For UTF8 character sets, the byte width is four and hence the Display Width will be
706 the byte width divided by 4. The byte width of each character set is determined
707 dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
708 system table. (see also
710 7. SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
712 8. IBLookupComboEditBox: List should now always be restored to full list when the
713 control loses focus. Default Key press default interval reduced to 200ms.
715 9. DBControlGrid: Ensure that selection is changed to newly appended row, even
716 when dataset rows are less than visible rows.
718 10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
719 does not exist or DataSet is empty. More responsive on dataset open. New event
720 OnRestorePosition. Column sort disabled if no header row.
722 11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
723 while dataset state is dsInsert. Avoids posting errors.
725 12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
726 avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
728 13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
730 14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
731 to solve a specific problem. That is when the dataset cursor is moved (e.g. by
732 a grid mouse click and the current row is being edited or inserted. In this case, TDataset
733 always "posts" the current record regardless or whether or not it may be more appropriate
734 to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
735 "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
736 as the first action of the "Post" method and allows the handler to convert the Post
737 into a Cancel if that is the appropriate action on moving to a different row. This is
738 achieved by returning with "CancelPost" argument set to true. Note that an exception could be
739 raised here, but it may still be more appropriate to validate a post and signal
740 a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
742 15. On Unix derived systems, the Firebird library name can now be given as a colon
743 separated list. Each library name on the list is tried in turn, in left to right
744 order with the first found being used as the firebird library. By default, on Linux,
745 the library name list is ''. This can be
746 overidden by the FBLIB environment variable or the OnGetLibraryName function.
748 Note: when using the, if you prefix the database name with "localhost:"
749 then it will still attempt to access the database via the Firebird Server and will
750 require a username and password. If only the pathname is given, then the username
751 and password should be omitted and the unix file permissions are used to grant
752 access.
754 IBX Change Log version (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
756 1. A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
757 rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
758 that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
759 corresponds to a row of the linked DataSource. Any data aware control on the
760 replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
762 2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
763 When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
764 takes place during database access. This may be useful when there are performance issues with
765 the change of cursor. Setting the property to false suppresses the change of cursor.
767 3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
768 and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
769 Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
770 making all changes permanent immediately rather than when the transaction is explicitly
771 committed.
773 4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
774 using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
776 IBX Change Log version (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
778 Development version only.
780 IBX Change Log version (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
782 1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
783 This is typically used during an "OnBeforeOpen" event handler to manipulate the
784 "Where" and "Having" clauses to implement user specified filters of arbitrary
785 complexity.
787 2. A new Component Palette entry "Firebird Data Controls" is now available. This has
788 three new data aware controls dependent on IBX and which make use of the SQL Parser.
789 These are:
791 - TIBLookupComboEditBox
792 - TIBDynamicGrid
793 - TIBTreeview
795 TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
796 of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
797 to revise the available list and restrict it to items that are prefixed by the
798 typed text (either case sensitive or case insensitive). Autoinsert allows a
799 newly typed entry to be added to the list dataset and included in the available
800 list items.
802 TIBDynamicGrid is a TDBGrid descendent that provides for:
803 - automatic resizing of selected columns to fill the available row length
804 - automatic positioning and sizing of a "totals" control, typically at the
805 column footer, on a per column basis.
806 - DataSet resorting on header row click, sorting the dataset by the selected column.
807 A second click on the same header cell reversed the sort order.
808 - Support for a "Panel Editor". That is on clicking the indicator column, the row
809 is automatically expanded and a panel superimposed on it. The panel can have any
810 number of child controls, typically data aware controls with the same datasource
811 as the grid allowing for editing of additional fields and more complex editors.
812 - Reselection of the same row following resorting.
813 - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
814 Its properties are specified on a per column basis and allows for one or more
815 columns to have their values selected from a list provided by a dataset.
816 Autocomplete and autoinsert are also available. The existing picklist editor
817 is unaffected by the extension.
819 TIBTreeView is a data aware TCustomTreeView.
821 3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
822 zero scale will no longer return an error. An Int64 will be returned instead.
824 4. TIBTransaction now has events for Before and After Transaction End and a new function
825 "GetEndAction" allowing the EndAction to be accessed by these event handlers.
827 5. TIBQuery can now handle correctly queries which contain the same keyword parameter
828 repeated multiple times.
830 6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
831 check used to get in the way of using Stored Procedures, and "Update or Insert"
832 statements.
834 7. Insert, Modify and Delete property Editors now support Query Generation from
835 Stored Procedures.
837 8. Three new examples illustrate the use of the new IB Controls
840 IBX Change Log version (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
842 1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
843 setting performance. See "readme.field+param.names in the doc folder.(Thanks to
844 Gabor Boros for reporting this problem and for testing the improvements).
846 2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
847 See readme.field+param.names in the doc folder.
849 3. IBX SQL Editors will now automatically add double quotes around column names when the database
850 dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
852 4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
854 5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
855 actions.
857 6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
858 thanks to Yuriy Kopnin for pointing this out).
860 7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
862 8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
863 for both fields and parameter setting.
865 9. Changes to the Select SQL in an IBCustomDataset descendent should now be
866 visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
868 10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
869 when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
871 11. TIBTable now has a property editor for "MasterFields"
873 12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
874 GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
876 13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
877 of settings is unrecognised. Selecting this radio button has no effect on the settings.
880 IBX Change Log version (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
882 1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.
884 IBX Change Log version (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000
886 1. In a TIBCustomDataset descendent, a generator now only sets the value when
887 it is null. This allows for alternative user defined setting of the generator
889 Many thanks to Julio Jiménez for this fix
891 2. An Error Dialog is now displayed in the Lazarus IDE if IBX cannot find the Firebird Library
892 and suggests that the user may have forgotten to install it.
894 IBX Change Log version (1.0-3) Thu, 22 Nov 2012 22:53:39 +0000
896 1. Conditional compilation used to limit registration of TIntegerField to
897 Lazarus versions less than 1.1
899 2. When a database connection is created, character set is now by default set
900 to UTF8 (Unix) or to the current Windows code page (Windows) if in the range
901 1250 to 1254.
904 IBX Change Log version (1.0-2) Tue, 09 Oct 2012 09:10:30 +0100
906 1. TBookmark change conditional compile changed to > 2.6.2 to match expected availability of change.
909 IBX Change Log version (1.0-1) Sun, 05 Aug 2012 20:00:04 +0100
911 1. In IBCustomDataset. Changed CurBookmark from string to TBookmark for compiler versions > 2.6.0
912 Necessary because of TBookmark type and TDataSet.Bookmark property change in fpc 2.7.1
914 2. IBX now registers TIntegerField as a "No Icon" component. This may be removed if the fpc DB
915 package is changed to do this (which it should do).
917 IBX Change Log version (1.0-0) Sat, 28 Apr 2012 16:43:00 +0100
919 1. Add "if active then active := false" to TIBCustomDataset destructor. (Avoid error on database close).
921 2. Make use of $STATIC conditional in IBSQLMonitor (Needed for FPC 2.6.0 compliance)
923 3. Database Property Editor: Character Set drop down box now uses "OnChange" rather than "OnCloseUp" to react to changes
925 4. Property editors should now correctly resize.
927 5. In IBDatabaseEdit.TestClick, the LoginPrompt is now set to the state of the LoginPrompt Checkbox
928 (restored original functionality)
930 6. Under OSX, if IBX fails to load libfbclient.dylib, it will now try and load the firebird
931 library using the absolute path /Library/Frameworks/Firebird.framework/Firebird.