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Revision 221 by tony, Mon Mar 19 09:48:37 2018 UTC

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1 < IBX Change Log  version                                                              (1.2-4) Sat, 09 May 2015 12:38:29 +0100
1 > IBX Change Log  version        (2.3-0) Mon, 19 Mar 2018 09:45:35 +0000
2 >
3 > IMPORTANT: the source code tree has been re-organised for IBX 2.3. Please remove
4 > all previous copies of the IBX source code tree before installing this release.
5 >
6 > The IBX packages used by most users have not changed, with one exception. The
7 > IBServices unit has been moved to the package iblegacyServices.lpk. To continue
8 > to use the IBServices unit in your applications, please add the iblegacyServices
9 > to the list of dependencies. To do this, open the Project Inspector and select
10 > Add->New Requirement and select "ibLegacyServices" from the list of available
11 > packages.
12 >
13 > 1. New unit IBXServices. The IBXServices unit is a re-architectured update of
14 >   the IBServices unit providing what is intended to be a clearer and easier to
15 >   use set of IB Services components. See Chapter 10 of the IBX User Guide for
16 >   more information and the guide to "Firebird Service Management Using IBX".
17 >   As indicated above, the legacy services components are still available and
18 >   provided in a separate package. There is no need to update working applications
19 >   using the older versions except for an additional package dependency.
20 >
21 > 2. The IBX packages and source code tree have been re-organised in an attempt to
22 >   finally get rid of the "duplicate ppu" warnings. This re-organisation should
23 >   not affect existing users. Section 2.3 of the IBX User Guide describes the
24 >   new set of IBX packages.
25 >
26 > 3. The ibx/examples/DBAdmin and the ibx/examples/services example have been
27 >   updated to use the new Services API components.
28 >
29 > 4. The iblocal package has been updated to use the new Services API components.
30 >
31 > 5. procedure SetAutoAdmin; in the new IBX Services this method is now a member of
32 >   TIBXSecurityService. It had been wrongly classified in the previous version
33 >   as a per database configuration item. It is global to a server and hence
34 >   correctly positioned as part of the Security Package. In the DBAdmin example,
35 >   the setting has moved to the mappings page.
36 >
37 > 6. TIBXScript: IgnoreCreateDatabase added. If true then CREATE DATABASE statements
38 >   are ignored.
39 >
40 > 7. TIBDatabase: DropDatabase now ensures that all transactions have been properly
41 >   closed before the database is dropped. Before and After Disconnect event handlers
42 >   are also fired.
43 >
44 > 8. TIBTransaction: OnStartTransaction event now fires every time the transaction
45 >   is started and not just the first time.
46 >
47 > 9. IBDataOutput: Use FormatFloat for all performance statistics to avoid platform
48 >   depenendency with comp type.
49 >
50 > 10. IBDataOutput: select query data output is now sent to stdout instead of stderr.
51 >
52 > 11. TIBDatabase: Remove regression. If a user login dialog changes the DatabaseName
53 >    then this is recognised and not ignored.
54 >
55 > 12. TIBDataSet, TIBQuery, TIBTable: additions:
56 >    function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
57 >    function GetPerfStatistics(var stats: TPerfCounters): boolean;
58 >    property EnableStatistics: boolean read FEnableStatistics write SetEnableStatistics;
59 >
60 >    GetRowsAffected returns the affected row counts from the last insert/update/delete
61 >    if EnableStatistics = true then GetPerfStatistics returns the current stats
62 >    counters for the select query. Note: stats accumulate after each fetch from
63 >    the database. To get total query cost after open, call the "Last" method
64 >    and then GetPerfStatistics.
65 >
66 >    See ibx/examples/consolemode for an example of the use of GetPerfStatistics
67 >
68 > 13. TIBExtract: Identity columns DDL. "Start with clause" now correctly encapsulated
69 >    in parenthesises.
70 >
71 > 14. TIBExtract: new published property "AlwaysQuoteIdentifiers". If true then in dialect 3
72 >    SQL identifiers are always delimited by double quotes. If false, then they are
73 >    only delimited if the identifier is a reserved word, contains lower case or special
74 >    characters. Set this property to true to retain previous behaviour.
75 >
76 > 15. Insert SQL Property Editor. In Insert Returning Clause, Identity column names
77 >    are now inserted in double quotes if not Reserved Words or valid SQL Identifiers.
78 >
79 > 16. TIBDataSet, TIBQuery, TIBTable: addition:
80 >       property MasterDetailDelay: integer {defaults to zero}
81 >
82 >    When non-zero and the dataset is a detail table referencing a master table
83 >    through either a MasterSource (TIBTable) or a DataSource (TIBDataSet, TIBQuery)
84 >    then a synchronisation delay is added (in milliseconds) between the master
85 >    row changing and the detail dataset being re-opened. If the master dataset
86 >    is scrolled before the delay expires then the delay is reset. This can be used
87 >    to avoid performance overheads when scrolling through a large master dataset.
88 >
89 >    Note: uses fptimer and hence requires a thread manager. Under Linux the
90 >    chreads unit must be included in your project. TTimer is not used in order
91 >    to avoid an LCL dependency. Requires FPC 3.0.2 or later.
92 >
93 > 17. TIBExtract: User role grants now excluded when etGrantsToUser not specified
94 >    with Extract Option eoDatabase.
95 >
96 > 18. TIBLookupComboEditBox: Workaround added for https://bugs.freepascal.org/view.php?id=33428
97 >    When a deLaoutChanged event is reported on the ListSource dataset, the
98 >    combobox text is updated. This allows a listsource (detail) to be in a Master/Detail
99 >    relationship with the control's datasource (master).
100 >
101 > 19. TIBExtract: Full BigInt value range now supported for Generators/Sequences.
102 >
103 > 20. Select Procedures (Procedure type 1) now include "SUSPEND;" clause in their
104 >    stubs. Pedantic fix really, as procedures output in dependency order anyway.
105 >
106 > 21. TIBExtact: Package Headers and Package Bodies are now included in the extracted
107 >    DDL (Firebird 3 and later only).
108 >
109 > IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
110 >
111 > NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
112 > AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
113 > RELEASE.
114 >
115 > NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
116 >
117 > 1. IBExtract: Identity columns - add additional check for null column for generator name.
118 >
119 > 2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
120 >   The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
121 >   information). However, this is also a very useful mechanism for returning updated computed by
122 >   column values. Values returned as a result of executing an Insert or Update statement
123 >   replace existing values in the current row for each corresponding column.
124 >
125 >   Previously, if a dataset's select query included read only (computed by) fields then
126 >   an automatic row refresh was performed after an insert or update query had been processed,
127 >   irrespective of the setting of the "ForcedUpdates" property. This has changed such
128 >   that an automatic refresh is no longer performed if an insert or update query contains
129 >   a returning clause that updates one or more fields on the current row. A full row
130 >   refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
131 >   field values and the select query contains read only fields. Use of Insert/update
132 >   returning should be significantly more efficient than executing a refresh query.
133 >
134 >   This behaviour change is intended to be backwards compatible and there should be no need to change
135 >   existing programs, other than to improve performance by using the new capability.
136 >
137 > 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
138 >   they are called when the dataset row is being deleted, there is no value in
139 >   updating the current record from the query result. Instead, a new event handler
140 >   "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
141 >   an OnDeleteReturning event handler is provided then it is called with the IResults returned
142 >   by the query. The event handler can then interrogate the query results and
143 >   perform whatever action is necessary. For example to confirm, to the user,
144 >   the deletion of a row with the returned values.
145 >
146 > 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
147 >   any Computed By or Identity Columns. The IBTables example has been updated to
148 >   illustrate the computation of the employee Full Name on update.
149 >
150 > 5. TIBTable: The GeneratorField property is now published.
151 >
152 > 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
153 >   When InsertSQL is generated, the Identity columns are not included in the list of values to
154 >   be inserted. A RETURNING clause is added to the insert statement to return the value of
155 >   each Identity column after the insert is executed.
156 >
157 > 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
158 >   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
159 >   Insert..Returning clause.
160 >
161 > 8. TIBGenerator: small performance improvement by not preparing query each time
162 >   a new value is generated.
163 >
164 > 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
165 >
166 > 10. Property editors will now sync table name to a System Table when "Include System
167 >    Tables" is selected and the query is for a System Table.
168 >
169 > 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
170 >    values are no longer converted to milliseconds from TDateTime and then back again
171 >    to TDateTime (the conversion to milliseconds is the default TDataset approach).
172 >
173 > 12. Property Editors handling of Stored Procedures.
174 >    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
175 >      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
176 >      query).
177 >    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
178 >
179 > 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
180 >    can be used to select a package. If non-empty, the stored procedure name is
181 >    expected to be a stored procedure defined in the specified package and the
182 >    generated SQL will be as required for a stored procedure located in a package.
183 >
184 > 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
185 >    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
186 >    which a stored procedure can be selected. With no package name selected, non-package
187 >    stored procedures are listed.
188 >
189 > 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
190 >    for password on reconnect.
191 >
192 > 16. TIBDatabase: use IAttachment for connection default character set id, code page
193 >    and character set name.
194 >
195 > 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
196 >    DB info lookups"
197 >
198 > 18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
199 >
200 > 19. Add a property Editor for TIBUpdate.RefreshSQL.
201 >
202 > 20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
203 >    parameters. This stops an exception being raised when the field cannot be
204 >    located in the record buffer.
205 >
206 > 21. Property Editors now automatically include System Tables when opened and when the query table
207 >    is a System Table.
208 >
209 > 22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
210 >    This avoids errors due to a stale SQRB or SRB being used for the next query.
211 >
212 > 23. IBServices: Service attach parameters now include "expected_db". This is used to
213 >    add the SPB item isc_spb_expected_db. This names a database using
214 >    an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
215 >    database. examples/services re-written to illustrate use of "expected_db".
216 >
217 > 24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
218 >    This avoids truncated backups when the server returns a timeout (busy) response.
219 >
220 > 25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
221 >
222 > 26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
223 >    databasenames. These are respectively expanded to the local system's temp directory
224 >    (including trailing delimiter) or to a prescribed data directory (including
225 >    trailing delimiter). Under Unix systems the data directory is a hidden directory
226 >    in the user's home directory. The hidden directory name is either the string returned
227 >    from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
228 >    Under Windows, the directory is the same as the Data Directory as decribed
229 >    above but instead prefixed by the User's application data path. These may be
230 >    used to improve application portability for Personal Databases.
231 >
232 > 27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
233 >    this has not worked for a long time and is not useful either. FieldDefs should be
234 >    managed using the Fields Editor as with any other dataset. To access the fields
235 >    editor for a TIBTable component, double click on the component. The fields editor
236 >    is then displayed.
237 >
238 > 28. TIBDatabaseInfo: new properties/function
239 >     * DateDBCreated (returns date/time database created)
240 >     * TransactionCount (returns no. of active transactions)
241 >     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
242 >     * PagesFree (Firebird 3 or later)
243 >     * PagesUsed (Firebird 3 or later)
244 >     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
245 >     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
246 >
247 > 29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
248 >
249 > 30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
250 >
251 > 31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
252 >    the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
253 >
254 > 32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
255 >    in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
256 >    firing during backup and restore.
257 >
258 > 33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
259 >    for verbose output using the new property "StatisticsRequested".
260 >    see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
261 >
262 > 34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
263 >
264 > 35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
265 >    palette. This uses the online validation feature added in Firebird 2.5. The
266 >    services's properties enable inclusion/exclusion of tables and indexes using
267 >    regular expressions. See.
268 >    https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
269 >
270 > 36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
271 >    option on a database.
272 >
273 > 37. TIBCustomService: Assign method implemented to allow copying of service login
274 >    context between service API components. "Detach" method now only detaches
275 >    service when last reference to the service interface detaches. Tidy up of
276 >    code for SetActive and Attach methods including password hiding.
277 >
278 > 38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
279 >    and used to determine the auth method and protocol used for the connection.
280 >
281 > 39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
282 >    a Create Database Statement generated by IBX.
283 >
284 > 40. All IBServices now have an additional published property "PortNo". This may
285 >    be set to a non-standard port number when necessary. If zero then the default
286 >    port number is used.
287 >
288 > 41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
289 >    and not just the mouse.
290 >
291 > 42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
292 >
293 > 43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
294 >    image index and selected image index for each node to be set from a database field.
295 >
296 > 44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
297 >    then database schema includes grants to all users. If not present then the
298 >    only user grants included are those to User PUBLIC.
299 >
300 > 45. TIBTreeView: performance improvement. When expanding include both expanded node
301 >    and child nodes in dataset.
302 >
303 >
304 > IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
305 >
306 > 1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
307 >   changes.
308 >
309 > 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
310 >   Bug could result in truncated multi-byte character set values.
311 >
312 > 3. Changes consequential on moving fbintf character set utility functions from
313 >   IFirebirdAPI to IAttachment.
314 >
315 > 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
316 >
317 > 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
318 >   results in autocomplete ignoring prefix text.
319 >
320 > 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
321 >   entering a new name into the text box.
322 >
323 > 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
324 >   Firebird rather than recomputing it.
325 >
326 > 8. Property Editor positioning tidy up: All IBX Property editors should now be
327 >   screen centre. Previously some were "poDesigned" which may be inappropriate
328 >   for multi monitor desktops.
329 >
330 > 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
331 >
332 > 11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
333 >    a transaction and always reset the object.
334 >
335 > 12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
336 >
337 > 13. TIBXScript: Allow for override of database filename in Create Database statements.
338 >
339 > 14. IBLocaldb: Support initialisation of the database from an SQL script in addition
340 >    to a gbak format archive.
341 >
342 > 15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
343 >
344 > 16. IBLocaldb: Drop database if error creating an empty database.
345 >
346 > 17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
347 >    unless selected node not in current dataset.
348 >
349 > 18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
350 >    to TIBCustomService, and IBlocalDB code tidy up.
351 >
352 > 19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
353 >    behaviour due to uninitialised variable.
354 >
355 > 20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
356 >    integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
357 >
358 > 21. IBSQL: When Database changed ensure that all resources are freed.
359 >
360 > 22. IBCustomDataset: When database changed ensure that queries an unprepared.
361 >
362 > 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
363 >    * Line Wrap on SQL Token boundaries (on user command)
364 >    * auto-complete table names in drop down list of table names
365 >    * Double click on tablename or field name adds to SQL text
366 >
367 > 24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
368 >
369 > 25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
370 >    TVariantArray. Seems to avoid memory corruption in Windows (probably a
371 >    workaround for a problem in fpc 3.0.4 win64).
372 >
373 > 26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
374 >
375 > 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
376 >
377 > IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
378 >
379 > 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
380 >   include remote system name.
381 >
382 > 2. TIBExtract: No longer include comment header and COMMIT statement for empty
383 >   tables when data included in output.
384 >
385 > 3. Profiling: IBSQL now has conditional compilation flags to enable query performance
386 >   and timing information to be written to stdout. This may be used to locate
387 >   performance bottlenecks.
388 >
389 > 4. SQLParser: only call "OnChanging" event handler when value is different.
390 >
391 > 5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
392 >
393 > 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
394 >   that BindFields is called when the query is next activated. Avoids FieldName
395 >   not found error.
396 >
397 > 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
398 >   purpose and allows the programmer to define any action they want for Update, Insert
399 >   or Delete. This may be complex SQL (similar to a Trigger), application specific
400 >   filtering of updates, or use of statements such as Grant or Revoke instead of
401 >   normal DML. See User Manual for more information.
402 >
403 > IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
404 >
405 > 1. TIBEvents: Fix uninitialised variable that could result in lost events.
406 >
407 > 2. TIBExtract: Added support for FB3 "USAGE" privilege.
408 >
409 > 3. TIBExtract: data formatted as Charset set "octets" is now output using
410 >   hexadecimal notation.
411 >
412 > 4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
413 >   using a simple XML format.
414 >
415 > 5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
416 >   grants to these objects.
417 >
418 > 6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
419 >   dependency problems restoring complex databases.
420 >
421 > 7. TIBXScript: This component has been restructured to allow for the processing of
422 >   embedded XML in INSERT statements and to support interactive sources in addition
423 >   to non-interactive data sources such as files.
424 >
425 > 8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
426 >
427 > 9. TIBXScript: ISQL compatiable Set statements are now supported:
428 >   SET SQL DIALECT
429 >   SET TERM
430 >   SET AUTODDL
431 >   SET BAIL
432 >   SET ECHO
433 >   SET COUNT
434 >   SET STATS
435 >   SET NAMES <character set>
436 >
437 > 10. IBVersion unit added to hold current IBX Version Number information.
438 >
439 > 11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
440 >    and domain definitions.
441 >
442 > 12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
443 >    fully supported.
444 >
445 > 13. TIBExtract: when a database dump includes data, the generator values are now also set.
446 >
447 > 14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
448 >
449 > IBX Change Log  version     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
450 >
451 > See also doc/IBX4LazarusGuide.pdf for important information on
452 > upgrading to IBX2.
453 >
454 > 1. Size property of TIBStringField is now the width in characters of the field
455 >   and not the byte length. This applies only to multi-byte character sets such
456 >   as UTF8. The original approach aligned with TStringField. However, the TStringField
457 >   code is not recognised as a bug and hence this change to align the behaviour.
458 >   The TStringField change is expected in fpc 3.2.0.
459 >
460 > 2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
461 >   true (default) then Size property value saved in the lfm is ignored. Size is
462 >   always set from the dynamic information read from the database. It is unclear
463 >   why anyone would want to override this and set Size to false.
464 >
465 > 3. ibxscript: should now handle correctly a Case..End statement within a procedure
466 >   block.
467 >
468 > 4. IBDatabase: new property - CreateIfNotExists. If true and database does not
469 >   exist when an attempt is made to connect to it (run time only) then an attempt
470 >   is made to create the database.
471 >
472 > 5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
473 >   has been successfully created as a result of a call to CreateDatabase or when
474 >   creating a database after it was found not to exist.
475 >
476 > 6.  DBControlGrid: a race condition could result in the wrong row image being
477 >    written to the cache. This has been avoided by a trip round the message
478 >    loop before rendering the row image.
479 >
480 > 7.  DBControlGrid: It is strongly recommended not to open the source DataSet for
481 >    a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
482 >    known to risk corrupt rendering of row images when the control is first
483 >    displayed. If necessary use "Application.QueueAsyncCall" to delay opening
484 >    of the dataset (see DBControlGrid examples) until the Form's Window has been created.
485 >
486 > 8.  DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
487 >    a TDateEdit control located on an editor panel.
488 >
489 > 9.  TIBExtract: brought up-to-date plus many bug fixes.
490 >
491 > 10. DBControlGrid: Removed memory leak when updating rows.
492 >
493 > 11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
494 >
495 > IBX Change Log  version                                           (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
496 >
497 > 1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
498 >   when target codepage is CP_NONE. This is a workaround for
499 >   http://bugs.freepascal.org/view.php?id=30622.
500 >
501 > 2. DBLog option removed from TIBStatisticalService - not supported by server
502 >   since Firebird 1.5.
503 >
504 > 3. ibxscript: An error is no longer generated for "on commit preserve rows" or
505 >   similar.
506 >
507 > 4. IBCodePage: updated mapping between codepages and character id.
508 >
509 > 5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
510 >   Firebird. Character sets with a char width of two are not UTF16.
511 >
512 > 6. Strings received from the database are now always transliterated into UTF8
513 >   regardless of the database character set or connection character set. This
514 >   is for compatibility with the LCL.
515 >
516 > IBX Change Log  version  (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
517 >
518 > 1. IBBlob: Defer reading of blob until read method called. This avoids having to
519 >   read in an entire blob just to get the size of the blob. General performance
520 >   improvement when opening datasets containing blobs.
521 >
522 > 2. Clearing a  Blob now sets the corresponding field's modified flag.
523 >
524 > 3. IBLookupCombo: When not performing auto-complete, original query sort order
525 >   is now used.
526 >
527 > 4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
528 >   determined.
529 >
530 > 5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
531 >
532 > 6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
533 >   lazarus 1.6.0
534 >
535 > 7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
536 >   compilation error.
537 >
538 > IBX Change Log  version                                 (1.4-1) Tue, 17 May 2016 09:14:51 +0100
539 >
540 > 1. No character set specified for connection: when a text blob is retrieved, the
541 >  character set is determined by looking up the native character set using then
542 >  Firebird API. Otherwise a text mode blob is assumed to have the same character
543 >  set as the connection.
544 >
545 > 2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
546 >   for Login Dialog returing a change to the database path.
547 >
548 > 3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
549 >   to be changed from that given in the TIBDatabase/TIBServer component and for the
550 >   entered value to be saved on a project specific basis (design time only).
551 >
552 > 4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
553 >   column fieldname. If they are the same then it is acts as a look up for the KeyValue
554 >   Otherwise, it sets the column text to the selected ListField Value.
555 >
556 > 5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
557 >   column width.
558 >
559 > 6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
560 >   and a case insensitive search is requested.
561 >
562 > 7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
563 >   or column ListSource.
564 >
565 > 8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
566 >   unprepare) when closing and the text has not changed.
567 >
568 > 9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
569 >   Less likely to cause a cursor re-use error on Windows.
570 >
571 > 10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
572 >   Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
573 >
574 > 11. TIBTreeView: Guard against nil destination on record changed
575 >
576 > 12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
577 >    string type with the code page set to reflect the returned field encoding after
578 >    Firebird driver transliteration, if any.  FPC 3.0.0 onwards only. Behaviour unchanged for
579 >    earlier versions.
580 >
581 > 13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
582 >    will now result in transliteration to the code page specified for the Firebird driver
583 >    if the assigned string has a different code page. FPC 3.0.0 onwards only.
584 >
585 > 14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
586 >    is ignored and the lc_ctype value, when the database is opened, is set to align with
587 >    the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
588 >    platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
589 >    3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
590 >    the GETACP is used to determine the Windows code page.
591 >
592 > 15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
593 >    name used as the lc_ctype when the database was opened. Only valid while the
594 >    Database is connected.
595 >
596 > 16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
597 >    id that corresponds to the DefaultCharSetName.
598 >
599 > IBX Change Log  version                          (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
600 >
601 > 1. Unix: If Firebird Embedded Server shared object is loaded and a local database
602 >   path is given and database attach fails due to access permission issues on the
603 >   temp directory or security database, then the attach is retried with "localhost:"
604 >   prefixing the databasename. This should avoid problems when the database has to
605 >   be accessed by a local (e.g. classic) server and libfbembed is used.
606 >
607 > 2. Windows: revised search order for Firebird DLL:
608 >     i.   The Firebird Embedded Server in the application Directory.
609 >     ii.  If the FIREBIRD environment variable is set then the directory this
610 >          points to is searched for the FB Client DLL and then then underlying
611 >          "bin" directory.
612 >     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
613 >          is used to locate the Firebird installation directory and the underlying
614 >          "bin" directory is searched for the FB Client DLL.
615 >     iv.  The Default installation directories C:\Program Files\Firebird\Firebird_2_x
616 >          are searched for the FB Client DLL.
617 >     v.   The PATH Environment variable is used to search for the FB Client DLL.
618 >     vi.  Finally the  PATH Environment variable is used to search for IBASE.DLL.
619 >
620 > 3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
621 >   See doc/readme.scriptengine and example applications.
622 >
623 > 4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
624 >   simplify the use of the embedded firebird server on both Linux and Windows platforms.
625 >   See dpc/readme.localdatabase and example applications.
626 >
627 > 5. IBDynamicGrid: Reordering on column header click should now also work for
628 >   dynamic columns.
629 >
630 > 6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
631 >   between incrementing/decrementing the lock count and signalling the event.
632 >
633 > IBX Change Log  version           (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
634 >
635 > 1.3.2 was never formally released and only made available as beta copies.
636 >
637 > 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
638 >
639 > 2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
640 >
641 > 3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
642 >
643 > 4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
644 >   i.e. when it is a calculated field
645 >
646 > 5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
647 >   This problem was due to a race condition between recalculating row heights and
648 >   determining which row was selected by the mouse click. The row height calculation
649 >   is now deferred by an extra trip round the message loop allowing the row to
650 >   be always calculated on the current grid layout rather than risking it being
651 >   calculated on the grid layout after the expanded row has been shrunk.
652 >
653 > 6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
654 >   Windows.
655 >
656 > 7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
657 >   These properties allow the (Firebird) character set name for the field and the max number of bytes per character
658 >   to be determined at runtime. See doc/readme.charactersets.html.
659 >
660 > 8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
661 >   TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
662 >
663 > 9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
664 >   TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
665 >   1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
666 >
667 >   Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
668 >   from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
669 >   implies no truncation.
670 >
671 > 10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
672 >
673 > 11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
674 >   (avoids "Not in Edit Mode" error).
675 >
676 > 12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
677 >
678 > 13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
679 >    DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
680 >
681 > 14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
682 >
683 > 15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
684 >
685 > 16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
686 >
687 > 17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
688 >
689 > IBX Change Log  version        (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
690 >
691 > 1.   OnCloseUp Event Handler added to TDBLookupProperties
692 >
693 > 2.   IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
694 >     problem with row size when exception is called.
695 >
696 > 3.   IBLookupComboEditBox: Force pending autocomplete on combobox exit.
697 >
698 > 4.   IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
699 >     in a TCustomComboBox and ignores return key if in a TCustomMemo
700 >
701 > 5.   IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
702 >     keyed in i.e. when autocomplete not performed
703 >
704 > 6.   Cleanup of "Uses" clauses and add console mode support. IBX should now support
705 >     console mode applications with all LCL required functions (builtin dialogs and
706 >     cursor management) centralised in the  IBDialogs unit. As long as "IBDialogs" is
707 >     not included in your project, IBX should compile and link with a console mode program.
708 >     See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
709 >     console mode application or the IDE will automatically assume that your
710 >     application is GUI based. Instead, you should include the ibexpressconsolemode package.
711 >
712 >     IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
713 >     to use the built in dialogs and cursor management. IBDialogs is
714 >     included by default if "ibexpress" is in your project source's "uses" clause.
715 >     This should be the case for all projects created through the IDE. This is why
716 >     you do not want to add the ibexpress package to console mode applications. The
717 >     ibexpressconsolemode package has been created to allow console mode programs
718 >     to avoid adding LCL dependencies when using IBX, while still having the
719 >     unit search paths set up correctly.
720 >
721 >     Existing users should check to ensure that the "ibexpress" unit is included in
722 >     each project's source file (*.lpr).
723 >
724 >     You may find that in order for the IDE to recognise that ibexpressconsolemode
725 >     exists, you have to first open the package in the IDE and then close it. This
726 >     adds it to the most recently accessed packages list. To make it permanently
727 >     available, add the package name to lazarus' staticpackages.inc file.
728 >
729 >         Thanks to Julio JimĂ©nez for suggesting support of console mode.
730 >
731 > 7.   SQL Parser can now accept quoted strings that include new lines
732 >
733 > 8.   IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
734 >     of text on start of edit. This is particularly useful when tabbing to a
735 >     column and then inserting text.
736 >
737 > 9.   New Examples provided for IB Services and ISQLMonitor.
738 >
739 > 10. Fix error when writing to blob streams that recorded only the last buffer
740 >    write in the blob stream. In most cases, this did not cause a problem as the
741 >    IB Blob Stream is written in a single write. However, with the TDBImage, write
742 >    of a graphic type prefix was lost which caused a problem when the image could
743 >        not be automatically recognised.
744 >
745 > 11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
746 >    already open" errors due to random numbers used for the cursor name being identical.
747 >
748 > 12. IBTable: corrected error that could result in an "Index out of bounds" error
749 >    when opening the table and the Primary Key is the last or only column in the
750 >    table. Thanks to Rick Hoover for the fix.
751 >
752 > 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
753 >    of "UTF-8", and update list of available database character sets. Existing
754 >    users should check the current lc_ctype setting in their applications.
755 >
756 > IBX Change Log  version  (1.2-4) Sat, 09 May 2015 12:38:29 +0100
757  
758   1.  Firebird Services: avoid List Index error when opening a service with an
759      empty Params property.
# Line 25 | Line 780 | IBX Change Log  version
780      in order to remove the property value from the lfm.
781  
782  
783 < IBX Change Log  version                                                          (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
783 > IBX Change Log  version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
784  
785   1.  TIBStoredProc. Prepare now called by ParamByName to avoid need to always
786      call Prepare before setting parameter values.
# Line 110 | Line 865 | IBX Change Log  version
865      and password should be omitted and the unix file permissions are used to grant
866      access.
867  
868 < IBX Change Log  version                                                    (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
868 > IBX Change Log  version  (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
869  
870   1.  A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
871      rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
# Line 132 | Line 887 | IBX Change Log  version
887   4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
888     using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
889  
890 < IBX Change Log  version                                                   (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
890 > IBX Change Log  version      (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
891  
892   Development version only.
893  
894 < IBX Change Log  version                                      (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
894 > IBX Change Log  version   (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
895  
896   1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
897     This is typically used during an "OnBeforeOpen" event handler to manipulate the
# Line 196 | Line 951 | IBX Change Log  version
951   8. Three new examples illustrate the use of the new IB Controls
952  
953  
954 < IBX Change Log  version                      (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
954 > IBX Change Log  version  (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
955  
956   1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
957     setting performance. See "readme.field+param.names in the doc folder.(Thanks to

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