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Revision 19 by tony, Mon Jul 7 13:00:15 2014 UTC vs.
Revision 226 by tony, Tue Apr 3 10:52:43 2018 UTC

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1 < IBX Change Log  version                      (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
1 > IBX Change Log  version           (2.3-0) Tue, 03 Apr 2018 11:48:08 +0100
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 deLayoutChanged 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. TIBExtract: 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. TIBExtract: Package Headers and Package Bodies are now included in the extracted
107 >    DDL (Firebird 3 and later only).
108 >
109 > 22. TIBLookupComboBox Autocomplete Fixes:
110 >    i. Only appended text is now selected after autocomplete.
111 >    ii. Uppercase keys no longer ignored for autocomplete.
112 >    iii. Retain Prefix case is now honoured correctly.
113 >    iv. When a DataSource is assigned, typing after autocomplete now extends prefix
114 >        before autocomplete performed. i.e. behaviour now the same as when
115 >        no DataSource assigned.
116 >
117 > 23. TIBXScript: Single Line Comments starting with '--' are now ignored when occurring
118 >    between SQL statements.
119 >
120 > 24. TIBExtract: New published property CaseSensitiveObjectNames. If false (default) then
121 >    ObjectNames are converted to upper case before matching against metadata object
122 >    names, unless the objectname is delimited by double quotes, in which case, the
123 >    double quotes are removed and the remaining string is used (unmodified) to match
124 >    against the metadata object name.
125 >
126 >    If true then the ObjectName is used as is without modification and matched
127 >    against the metadata object name. No attempt is made to remove double quotes.
128 >
129 > 25. TIBExtract: New Extract Types: etDatabaseTriggers and etDDLTriggers. When used
130 >    with eoTrigger, these extract types can be used to select only Database Triggers,
131 >    or DDL Triggers or both. Ignored when etTable or etTrigger included in Extract Types.
132 >
133 > IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
134 >
135 > NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
136 > AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
137 > RELEASE.
138 >
139 > NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
140 >
141 > 1. IBExtract: Identity columns - add additional check for null column for generator name.
142 >
143 > 2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
144 >   The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
145 >   information). However, this is also a very useful mechanism for returning updated computed by
146 >   column values. Values returned as a result of executing an Insert or Update statement
147 >   replace existing values in the current row for each corresponding column.
148 >
149 >   Previously, if a dataset's select query included read only (computed by) fields then
150 >   an automatic row refresh was performed after an insert or update query had been processed,
151 >   irrespective of the setting of the "ForcedUpdates" property. This has changed such
152 >   that an automatic refresh is no longer performed if an insert or update query contains
153 >   a returning clause that updates one or more fields on the current row. A full row
154 >   refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
155 >   field values and the select query contains read only fields. Use of Insert/update
156 >   returning should be significantly more efficient than executing a refresh query.
157 >
158 >   This behaviour change is intended to be backwards compatible and there should be no need to change
159 >   existing programs, other than to improve performance by using the new capability.
160 >
161 > 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
162 >   they are called when the dataset row is being deleted, there is no value in
163 >   updating the current record from the query result. Instead, a new event handler
164 >   "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
165 >   an OnDeleteReturning event handler is provided then it is called with the IResults returned
166 >   by the query. The event handler can then interrogate the query results and
167 >   perform whatever action is necessary. For example to confirm, to the user,
168 >   the deletion of a row with the returned values.
169 >
170 > 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
171 >   any Computed By or Identity Columns. The IBTables example has been updated to
172 >   illustrate the computation of the employee Full Name on update.
173 >
174 > 5. TIBTable: The GeneratorField property is now published.
175 >
176 > 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
177 >   When InsertSQL is generated, the Identity columns are not included in the list of values to
178 >   be inserted. A RETURNING clause is added to the insert statement to return the value of
179 >   each Identity column after the insert is executed.
180 >
181 > 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
182 >   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
183 >   Insert..Returning clause.
184 >
185 > 8. TIBGenerator: small performance improvement by not preparing query each time
186 >   a new value is generated.
187 >
188 > 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
189 >
190 > 10. Property editors will now sync table name to a System Table when "Include System
191 >    Tables" is selected and the query is for a System Table.
192 >
193 > 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
194 >    values are no longer converted to milliseconds from TDateTime and then back again
195 >    to TDateTime (the conversion to milliseconds is the default TDataset approach).
196 >
197 > 12. Property Editors handling of Stored Procedures.
198 >    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
199 >      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
200 >      query).
201 >    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
202 >
203 > 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
204 >    can be used to select a package. If non-empty, the stored procedure name is
205 >    expected to be a stored procedure defined in the specified package and the
206 >    generated SQL will be as required for a stored procedure located in a package.
207 >
208 > 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
209 >    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
210 >    which a stored procedure can be selected. With no package name selected, non-package
211 >    stored procedures are listed.
212 >
213 > 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
214 >    for password on reconnect.
215 >
216 > 16. TIBDatabase: use IAttachment for connection default character set id, code page
217 >    and character set name.
218 >
219 > 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
220 >    DB info lookups"
221 >
222 > 18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
223 >
224 > 19. Add a property Editor for TIBUpdate.RefreshSQL.
225 >
226 > 20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
227 >    parameters. This stops an exception being raised when the field cannot be
228 >    located in the record buffer.
229 >
230 > 21. Property Editors now automatically include System Tables when opened and when the query table
231 >    is a System Table.
232 >
233 > 22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
234 >    This avoids errors due to a stale SQRB or SRB being used for the next query.
235 >
236 > 23. IBServices: Service attach parameters now include "expected_db". This is used to
237 >    add the SPB item isc_spb_expected_db. This names a database using
238 >    an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
239 >    database. examples/services re-written to illustrate use of "expected_db".
240 >
241 > 24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
242 >    This avoids truncated backups when the server returns a timeout (busy) response.
243 >
244 > 25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
245 >
246 > 26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
247 >    databasenames. These are respectively expanded to the local system's temp directory
248 >    (including trailing delimiter) or to a prescribed data directory (including
249 >    trailing delimiter). Under Unix systems the data directory is a hidden directory
250 >    in the user's home directory. The hidden directory name is either the string returned
251 >    from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
252 >    Under Windows, the directory is the same as the Data Directory as decribed
253 >    above but instead prefixed by the User's application data path. These may be
254 >    used to improve application portability for Personal Databases.
255 >
256 > 27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
257 >    this has not worked for a long time and is not useful either. FieldDefs should be
258 >    managed using the Fields Editor as with any other dataset. To access the fields
259 >    editor for a TIBTable component, double click on the component. The fields editor
260 >    is then displayed.
261 >
262 > 28. TIBDatabaseInfo: new properties/function
263 >     * DateDBCreated (returns date/time database created)
264 >     * TransactionCount (returns no. of active transactions)
265 >     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
266 >     * PagesFree (Firebird 3 or later)
267 >     * PagesUsed (Firebird 3 or later)
268 >     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
269 >     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
270 >
271 > 29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
272 >
273 > 30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
274 >
275 > 31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
276 >    the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
277 >
278 > 32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
279 >    in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
280 >    firing during backup and restore.
281 >
282 > 33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
283 >    for verbose output using the new property "StatisticsRequested".
284 >    see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
285 >
286 > 34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
287 >
288 > 35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
289 >    palette. This uses the online validation feature added in Firebird 2.5. The
290 >    services's properties enable inclusion/exclusion of tables and indexes using
291 >    regular expressions. See.
292 >    https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
293 >
294 > 36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
295 >    option on a database.
296 >
297 > 37. TIBCustomService: Assign method implemented to allow copying of service login
298 >    context between service API components. "Detach" method now only detaches
299 >    service when last reference to the service interface detaches. Tidy up of
300 >    code for SetActive and Attach methods including password hiding.
301 >
302 > 38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
303 >    and used to determine the auth method and protocol used for the connection.
304 >
305 > 39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
306 >    a Create Database Statement generated by IBX.
307 >
308 > 40. All IBServices now have an additional published property "PortNo". This may
309 >    be set to a non-standard port number when necessary. If zero then the default
310 >    port number is used.
311 >
312 > 41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
313 >    and not just the mouse.
314 >
315 > 42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
316 >
317 > 43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
318 >    image index and selected image index for each node to be set from a database field.
319 >
320 > 44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
321 >    then database schema includes grants to all users. If not present then the
322 >    only user grants included are those to User PUBLIC.
323 >
324 > 45. TIBTreeView: performance improvement. When expanding include both expanded node
325 >    and child nodes in dataset.
326 >
327 >
328 > IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
329 >
330 > 1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
331 >   changes.
332 >
333 > 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
334 >   Bug could result in truncated multi-byte character set values.
335 >
336 > 3. Changes consequential on moving fbintf character set utility functions from
337 >   IFirebirdAPI to IAttachment.
338 >
339 > 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
340 >
341 > 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
342 >   results in autocomplete ignoring prefix text.
343 >
344 > 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
345 >   entering a new name into the text box.
346 >
347 > 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
348 >   Firebird rather than recomputing it.
349 >
350 > 8. Property Editor positioning tidy up: All IBX Property editors should now be
351 >   screen centre. Previously some were "poDesigned" which may be inappropriate
352 >   for multi monitor desktops.
353 >
354 > 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
355 >
356 > 11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
357 >    a transaction and always reset the object.
358 >
359 > 12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
360 >
361 > 13. TIBXScript: Allow for override of database filename in Create Database statements.
362 >
363 > 14. IBLocaldb: Support initialisation of the database from an SQL script in addition
364 >    to a gbak format archive.
365 >
366 > 15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
367 >
368 > 16. IBLocaldb: Drop database if error creating an empty database.
369 >
370 > 17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
371 >    unless selected node not in current dataset.
372 >
373 > 18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
374 >    to TIBCustomService, and IBlocalDB code tidy up.
375 >
376 > 19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
377 >    behaviour due to uninitialised variable.
378 >
379 > 20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
380 >    integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
381 >
382 > 21. IBSQL: When Database changed ensure that all resources are freed.
383 >
384 > 22. IBCustomDataset: When database changed ensure that queries an unprepared.
385 >
386 > 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
387 >    * Line Wrap on SQL Token boundaries (on user command)
388 >    * auto-complete table names in drop down list of table names
389 >    * Double click on tablename or field name adds to SQL text
390 >
391 > 24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
392 >
393 > 25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
394 >    TVariantArray. Seems to avoid memory corruption in Windows (probably a
395 >    workaround for a problem in fpc 3.0.4 win64).
396 >
397 > 26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
398 >
399 > 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
400 >
401 > IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
402 >
403 > 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
404 >   include remote system name.
405 >
406 > 2. TIBExtract: No longer include comment header and COMMIT statement for empty
407 >   tables when data included in output.
408 >
409 > 3. Profiling: IBSQL now has conditional compilation flags to enable query performance
410 >   and timing information to be written to stdout. This may be used to locate
411 >   performance bottlenecks.
412 >
413 > 4. SQLParser: only call "OnChanging" event handler when value is different.
414 >
415 > 5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
416 >
417 > 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
418 >   that BindFields is called when the query is next activated. Avoids FieldName
419 >   not found error.
420 >
421 > 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
422 >   purpose and allows the programmer to define any action they want for Update, Insert
423 >   or Delete. This may be complex SQL (similar to a Trigger), application specific
424 >   filtering of updates, or use of statements such as Grant or Revoke instead of
425 >   normal DML. See User Manual for more information.
426 >
427 > IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
428 >
429 > 1. TIBEvents: Fix uninitialised variable that could result in lost events.
430 >
431 > 2. TIBExtract: Added support for FB3 "USAGE" privilege.
432 >
433 > 3. TIBExtract: data formatted as Charset set "octets" is now output using
434 >   hexadecimal notation.
435 >
436 > 4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
437 >   using a simple XML format.
438 >
439 > 5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
440 >   grants to these objects.
441 >
442 > 6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
443 >   dependency problems restoring complex databases.
444 >
445 > 7. TIBXScript: This component has been restructured to allow for the processing of
446 >   embedded XML in INSERT statements and to support interactive sources in addition
447 >   to non-interactive data sources such as files.
448 >
449 > 8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
450 >
451 > 9. TIBXScript: ISQL compatiable Set statements are now supported:
452 >   SET SQL DIALECT
453 >   SET TERM
454 >   SET AUTODDL
455 >   SET BAIL
456 >   SET ECHO
457 >   SET COUNT
458 >   SET STATS
459 >   SET NAMES <character set>
460 >
461 > 10. IBVersion unit added to hold current IBX Version Number information.
462 >
463 > 11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
464 >    and domain definitions.
465 >
466 > 12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
467 >    fully supported.
468 >
469 > 13. TIBExtract: when a database dump includes data, the generator values are now also set.
470 >
471 > 14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
472 >
473 > IBX Change Log  version     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
474 >
475 > See also doc/IBX4LazarusGuide.pdf for important information on
476 > upgrading to IBX2.
477 >
478 > 1. Size property of TIBStringField is now the width in characters of the field
479 >   and not the byte length. This applies only to multi-byte character sets such
480 >   as UTF8. The original approach aligned with TStringField. However, the TStringField
481 >   code is not recognised as a bug and hence this change to align the behaviour.
482 >   The TStringField change is expected in fpc 3.2.0.
483 >
484 > 2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
485 >   true (default) then Size property value saved in the lfm is ignored. Size is
486 >   always set from the dynamic information read from the database. It is unclear
487 >   why anyone would want to override this and set Size to false.
488 >
489 > 3. ibxscript: should now handle correctly a Case..End statement within a procedure
490 >   block.
491 >
492 > 4. IBDatabase: new property - CreateIfNotExists. If true and database does not
493 >   exist when an attempt is made to connect to it (run time only) then an attempt
494 >   is made to create the database.
495 >
496 > 5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
497 >   has been successfully created as a result of a call to CreateDatabase or when
498 >   creating a database after it was found not to exist.
499 >
500 > 6.  DBControlGrid: a race condition could result in the wrong row image being
501 >    written to the cache. This has been avoided by a trip round the message
502 >    loop before rendering the row image.
503 >
504 > 7.  DBControlGrid: It is strongly recommended not to open the source DataSet for
505 >    a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
506 >    known to risk corrupt rendering of row images when the control is first
507 >    displayed. If necessary use "Application.QueueAsyncCall" to delay opening
508 >    of the dataset (see DBControlGrid examples) until the Form's Window has been created.
509 >
510 > 8.  DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
511 >    a TDateEdit control located on an editor panel.
512 >
513 > 9.  TIBExtract: brought up-to-date plus many bug fixes.
514 >
515 > 10. DBControlGrid: Removed memory leak when updating rows.
516 >
517 > 11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
518 >
519 > IBX Change Log  version                                           (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
520 >
521 > 1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
522 >   when target codepage is CP_NONE. This is a workaround for
523 >   http://bugs.freepascal.org/view.php?id=30622.
524 >
525 > 2. DBLog option removed from TIBStatisticalService - not supported by server
526 >   since Firebird 1.5.
527 >
528 > 3. ibxscript: An error is no longer generated for "on commit preserve rows" or
529 >   similar.
530 >
531 > 4. IBCodePage: updated mapping between codepages and character id.
532 >
533 > 5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
534 >   Firebird. Character sets with a char width of two are not UTF16.
535 >
536 > 6. Strings received from the database are now always transliterated into UTF8
537 >   regardless of the database character set or connection character set. This
538 >   is for compatibility with the LCL.
539 >
540 > IBX Change Log  version  (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
541 >
542 > 1. IBBlob: Defer reading of blob until read method called. This avoids having to
543 >   read in an entire blob just to get the size of the blob. General performance
544 >   improvement when opening datasets containing blobs.
545 >
546 > 2. Clearing a  Blob now sets the corresponding field's modified flag.
547 >
548 > 3. IBLookupCombo: When not performing auto-complete, original query sort order
549 >   is now used.
550 >
551 > 4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
552 >   determined.
553 >
554 > 5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
555 >
556 > 6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
557 >   lazarus 1.6.0
558 >
559 > 7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
560 >   compilation error.
561 >
562 > IBX Change Log  version                                 (1.4-1) Tue, 17 May 2016 09:14:51 +0100
563 >
564 > 1. No character set specified for connection: when a text blob is retrieved, the
565 >  character set is determined by looking up the native character set using then
566 >  Firebird API. Otherwise a text mode blob is assumed to have the same character
567 >  set as the connection.
568 >
569 > 2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
570 >   for Login Dialog returing a change to the database path.
571 >
572 > 3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
573 >   to be changed from that given in the TIBDatabase/TIBServer component and for the
574 >   entered value to be saved on a project specific basis (design time only).
575 >
576 > 4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
577 >   column fieldname. If they are the same then it is acts as a look up for the KeyValue
578 >   Otherwise, it sets the column text to the selected ListField Value.
579 >
580 > 5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
581 >   column width.
582 >
583 > 6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
584 >   and a case insensitive search is requested.
585 >
586 > 7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
587 >   or column ListSource.
588 >
589 > 8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
590 >   unprepare) when closing and the text has not changed.
591 >
592 > 9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
593 >   Less likely to cause a cursor re-use error on Windows.
594 >
595 > 10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
596 >   Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
597 >
598 > 11. TIBTreeView: Guard against nil destination on record changed
599 >
600 > 12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
601 >    string type with the code page set to reflect the returned field encoding after
602 >    Firebird driver transliteration, if any.  FPC 3.0.0 onwards only. Behaviour unchanged for
603 >    earlier versions.
604 >
605 > 13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
606 >    will now result in transliteration to the code page specified for the Firebird driver
607 >    if the assigned string has a different code page. FPC 3.0.0 onwards only.
608 >
609 > 14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
610 >    is ignored and the lc_ctype value, when the database is opened, is set to align with
611 >    the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
612 >    platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
613 >    3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
614 >    the GETACP is used to determine the Windows code page.
615 >
616 > 15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
617 >    name used as the lc_ctype when the database was opened. Only valid while the
618 >    Database is connected.
619 >
620 > 16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
621 >    id that corresponds to the DefaultCharSetName.
622 >
623 > IBX Change Log  version                          (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
624 >
625 > 1. Unix: If Firebird Embedded Server shared object is loaded and a local database
626 >   path is given and database attach fails due to access permission issues on the
627 >   temp directory or security database, then the attach is retried with "localhost:"
628 >   prefixing the databasename. This should avoid problems when the database has to
629 >   be accessed by a local (e.g. classic) server and libfbembed is used.
630 >
631 > 2. Windows: revised search order for Firebird DLL:
632 >     i.   The Firebird Embedded Server in the application Directory.
633 >     ii.  If the FIREBIRD environment variable is set then the directory this
634 >          points to is searched for the FB Client DLL and then then underlying
635 >          "bin" directory.
636 >     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
637 >          is used to locate the Firebird installation directory and the underlying
638 >          "bin" directory is searched for the FB Client DLL.
639 >     iv.  The Default installation directories C:\Program Files\Firebird\Firebird_2_x
640 >          are searched for the FB Client DLL.
641 >     v.   The PATH Environment variable is used to search for the FB Client DLL.
642 >     vi.  Finally the  PATH Environment variable is used to search for IBASE.DLL.
643 >
644 > 3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
645 >   See doc/readme.scriptengine and example applications.
646 >
647 > 4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
648 >   simplify the use of the embedded firebird server on both Linux and Windows platforms.
649 >   See dpc/readme.localdatabase and example applications.
650 >
651 > 5. IBDynamicGrid: Reordering on column header click should now also work for
652 >   dynamic columns.
653 >
654 > 6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
655 >   between incrementing/decrementing the lock count and signalling the event.
656 >
657 > IBX Change Log  version           (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
658 >
659 > 1.3.2 was never formally released and only made available as beta copies.
660 >
661 > 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
662 >
663 > 2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
664 >
665 > 3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
666 >
667 > 4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
668 >   i.e. when it is a calculated field
669 >
670 > 5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
671 >   This problem was due to a race condition between recalculating row heights and
672 >   determining which row was selected by the mouse click. The row height calculation
673 >   is now deferred by an extra trip round the message loop allowing the row to
674 >   be always calculated on the current grid layout rather than risking it being
675 >   calculated on the grid layout after the expanded row has been shrunk.
676 >
677 > 6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
678 >   Windows.
679 >
680 > 7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
681 >   These properties allow the (Firebird) character set name for the field and the max number of bytes per character
682 >   to be determined at runtime. See doc/readme.charactersets.html.
683 >
684 > 8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
685 >   TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
686 >
687 > 9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
688 >   TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
689 >   1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
690 >
691 >   Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
692 >   from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
693 >   implies no truncation.
694 >
695 > 10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
696 >
697 > 11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
698 >   (avoids "Not in Edit Mode" error).
699 >
700 > 12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
701 >
702 > 13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
703 >    DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
704 >
705 > 14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
706 >
707 > 15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
708 >
709 > 16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
710 >
711 > 17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
712 >
713 > IBX Change Log  version        (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
714 >
715 > 1.   OnCloseUp Event Handler added to TDBLookupProperties
716 >
717 > 2.   IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
718 >     problem with row size when exception is called.
719 >
720 > 3.   IBLookupComboEditBox: Force pending autocomplete on combobox exit.
721 >
722 > 4.   IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
723 >     in a TCustomComboBox and ignores return key if in a TCustomMemo
724 >
725 > 5.   IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
726 >     keyed in i.e. when autocomplete not performed
727 >
728 > 6.   Cleanup of "Uses" clauses and add console mode support. IBX should now support
729 >     console mode applications with all LCL required functions (builtin dialogs and
730 >     cursor management) centralised in the  IBDialogs unit. As long as "IBDialogs" is
731 >     not included in your project, IBX should compile and link with a console mode program.
732 >     See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
733 >     console mode application or the IDE will automatically assume that your
734 >     application is GUI based. Instead, you should include the ibexpressconsolemode package.
735 >
736 >     IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
737 >     to use the built in dialogs and cursor management. IBDialogs is
738 >     included by default if "ibexpress" is in your project source's "uses" clause.
739 >     This should be the case for all projects created through the IDE. This is why
740 >     you do not want to add the ibexpress package to console mode applications. The
741 >     ibexpressconsolemode package has been created to allow console mode programs
742 >     to avoid adding LCL dependencies when using IBX, while still having the
743 >     unit search paths set up correctly.
744 >
745 >     Existing users should check to ensure that the "ibexpress" unit is included in
746 >     each project's source file (*.lpr).
747 >
748 >     You may find that in order for the IDE to recognise that ibexpressconsolemode
749 >     exists, you have to first open the package in the IDE and then close it. This
750 >     adds it to the most recently accessed packages list. To make it permanently
751 >     available, add the package name to lazarus' staticpackages.inc file.
752 >
753 >         Thanks to Julio Jiménez for suggesting support of console mode.
754 >
755 > 7.   SQL Parser can now accept quoted strings that include new lines
756 >
757 > 8.   IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
758 >     of text on start of edit. This is particularly useful when tabbing to a
759 >     column and then inserting text.
760 >
761 > 9.   New Examples provided for IB Services and ISQLMonitor.
762 >
763 > 10. Fix error when writing to blob streams that recorded only the last buffer
764 >    write in the blob stream. In most cases, this did not cause a problem as the
765 >    IB Blob Stream is written in a single write. However, with the TDBImage, write
766 >    of a graphic type prefix was lost which caused a problem when the image could
767 >        not be automatically recognised.
768 >
769 > 11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
770 >    already open" errors due to random numbers used for the cursor name being identical.
771 >
772 > 12. IBTable: corrected error that could result in an "Index out of bounds" error
773 >    when opening the table and the Primary Key is the last or only column in the
774 >    table. Thanks to Rick Hoover for the fix.
775 >
776 > 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
777 >    of "UTF-8", and update list of available database character sets. Existing
778 >    users should check the current lc_ctype setting in their applications.
779 >
780 > IBX Change Log  version  (1.2-4) Sat, 09 May 2015 12:38:29 +0100
781 >
782 > 1.  Firebird Services: avoid List Index error when opening a service with an
783 >    empty Params property.
784 >
785 > 2.  IBControls: Fix problem with new link mechanism introduced in 1.2.3.
786 >    Link now set up in Loaded method - avoids occasional failure to apply
787 >    SQL markup on initial open.
788 >
789 > 3.  "Employees" example performance improvements when scrolling.
790 >
791 > 4.  DBControlGrid: Correctly handle edit panel removal when panel is child control of a
792 >    TFrame. Force recaching of selected frame to avoid GTK race (results in a
793 >    random image cached).
794 >
795 > 5.  DBControlGrid: Should now react to changes in panel height at run time.
796 >
797 > 6.  IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid  
798 >    even when further rows exist.
799 >
800 > 7.  DBControlGrid: DefaultRowHeight is no longer a published property as it should
801 >    always be derived from panel height and setting this property can cause confusion.
802 >    Note for existing projects: to avoid a missing property error at run time,
803 >    each form using the DBControlGrid must be opened, updated and saved in the IDE
804 >    in order to remove the property value from the lfm.
805 >
806 >
807 > IBX Change Log  version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
808 >
809 > 1.  TIBStoredProc. Prepare now called by ParamByName to avoid need to always
810 >    call Prepare before setting parameter values.
811 >
812 > 2.  Error message on ParamByName (all cases) not found now includes name of missing parameter.
813 >
814 > 3.  Code tidyup and more robust handling of dsql information result vector.
815 >
816 > 4.  Support for centralised handling of transaction status changes. TIBTransaction
817 >    has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
818 >    and "AfterExecQuery". The first three are called after the same event is called
819 >    for an IBCustomDataSet descendent using the Transaction. The fourth is called
820 >    after a call to TIBSQL.ExecQuery, again using this transaction. These new events
821 >    enable monitoring of transaction status changes for a given transaction to be
822 >    handled in a single place. For example, when a change to the dataset occurs
823 >    an indicator can be set that shows the user that in order to save changes,
824 >    the transaction should be committed.  Rather than doing this per dataset, this
825 >    can now be done per transaction.
826 >
827 > 5.  TDataSet.CheckBrowseMode automatically posts changes to the current row when
828 >    the dataset is scrolled. However, any changes to the current row are, by default,
829 >    discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
830 >    have a new property "DataSetCloseAction" that adds automatic posting of changes
831 >    on dataset close. If this property is set to dcDiscardChanges (default) then the
832 >    behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
833 >    then IBX will attempt to post any unsaved changes before the dataset is closed
834 >    (and after the BeforeClose event handler is called). The exception is when the
835 >    dataset is being closed as a result of a transaction rollback. In this case,
836 >    no action is taken and any unsaved  changes are discarded. This avoids both
837 >    unnecessary overhead and the risk that a validation error may occur in the Post
838 >    raising an exception and thereby preventing a rollback.
839 >
840 > 6.  String Field sizes and Display Widths should now be correct for multi-byte character sets.
841 >    In earlier versions, the Display Width was set to the maximum byte width rather than the character
842 >    width. Display Widths are now corrected by dividing by the max byte width per character.
843 >    For UTF8 character sets, the byte width is four and hence the Display Width will be
844 >    the byte width divided by 4. The byte width of each character set is determined
845 >    dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
846 >    system table. (see also http://bugs.freepascal.org/view.php?id=27766).
847 >
848 > 7.  SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
849 >
850 > 8.  IBLookupComboEditBox: List should now always be restored to full list when the
851 >    control loses focus. Default Key press default interval reduced to 200ms.
852 >
853 > 9.  DBControlGrid: Ensure that selection is changed to newly appended row, even
854 >    when dataset rows are less than visible rows.
855 >
856 > 10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
857 >    does not exist or DataSet is empty. More responsive on dataset open. New event
858 >    OnRestorePosition. Column sort disabled if no header row.
859 >
860 > 11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
861 >    while dataset state is dsInsert. Avoids posting errors.
862 >
863 > 12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
864 >    avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
865 >
866 > 13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
867 >
868 > 14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
869 >    to solve a specific problem. That is when the dataset cursor is moved (e.g. by
870 >    a grid mouse click and the current row is being edited or inserted. In this case, TDataset
871 >    always "posts" the current record regardless or whether or not it may be more appropriate
872 >    to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
873 >    "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
874 >    as the first action of the "Post" method and allows the handler to convert the Post
875 >    into a Cancel if that is the appropriate action on moving to a different row. This is
876 >    achieved by returning with "CancelPost" argument set to true. Note that an exception could be
877 >    raised here, but it may still be more appropriate to validate a post and signal
878 >    a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
879 >
880 > 15. On Unix derived systems, the Firebird library name can now be given as a colon
881 >    separated list. Each library name on the list is tried in turn, in left to right
882 >    order with the first found being used as the firebird library. By default, on Linux,
883 >    the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
884 >    overidden by the FBLIB environment variable or the OnGetLibraryName function.
885 >
886 >    Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
887 >    then it will still attempt to access the database via the Firebird Server and will
888 >    require a username and password. If only the pathname is given, then the username
889 >    and password should be omitted and the unix file permissions are used to grant
890 >    access.
891 >
892 > IBX Change Log  version  (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
893 >
894 > 1.  A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
895 >    rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
896 >    that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
897 >    corresponds to a row of the linked DataSource. Any data aware control on the
898 >    replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
899 >
900 > 2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
901 >   When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
902 >   takes place during database access. This may be useful when there are performance issues with
903 >   the change of cursor. Setting the property to false suppresses the change of cursor.
904 >
905 > 3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
906 >   and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
907 >   Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
908 >   making all changes permanent immediately rather than when the transaction is explicitly
909 >   committed.
910 >
911 > 4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
912 >   using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
913 >
914 > IBX Change Log  version      (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
915 >
916 > Development version only.
917 >
918 > IBX Change Log  version   (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
919 >
920 > 1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
921 >   This is typically used during an "OnBeforeOpen" event handler to manipulate the
922 >   "Where" and "Having" clauses to implement user specified filters of arbitrary
923 >   complexity.
924 >
925 > 2. A new Component Palette entry "Firebird Data Controls" is now available. This has
926 >   three new data aware controls dependent on IBX and which make use of the SQL Parser.
927 >   These are:
928 >
929 >   - TIBLookupComboEditBox
930 >   - TIBDynamicGrid
931 >   - TIBTreeview
932 >
933 >   TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
934 >   of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
935 >   to revise the available list and restrict it to items that are prefixed by the
936 >   typed text (either case sensitive or case insensitive). Autoinsert allows a
937 >   newly typed entry to be added to the list dataset and included in the available
938 >   list items.
939 >
940 >   TIBDynamicGrid is a TDBGrid descendent that provides for:
941 >   - automatic resizing of selected columns to fill the available row length
942 >   - automatic positioning and sizing of a "totals" control, typically at the
943 >     column footer, on a per column basis.
944 >   - DataSet resorting on header row click, sorting the dataset by the selected column.
945 >     A second click on the same header cell reversed the sort order.
946 >   - Support for a "Panel Editor". That is on clicking the indicator column, the row
947 >     is automatically expanded and a panel superimposed on it. The panel can have any
948 >     number of child controls, typically data aware controls with the same datasource
949 >     as the grid allowing for editing of additional fields and more complex editors.
950 >   - Reselection of the same row following resorting.
951 >   - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
952 >     Its properties are specified on a per column basis and allows for one or more
953 >     columns to have their values selected from a list provided by a dataset.
954 >     Autocomplete and autoinsert are also available. The existing picklist editor
955 >     is unaffected by the extension.
956 >
957 >   TIBTreeView is a data aware TCustomTreeView.
958 >
959 > 3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
960 >   zero scale will no longer return an error. An Int64 will be returned instead.
961 >
962 > 4. TIBTransaction now has events for Before and After Transaction End and a new function
963 >   "GetEndAction" allowing the EndAction to be accessed by these event handlers.
964 >
965 > 5. TIBQuery can now handle correctly queries which contain the same keyword parameter
966 >   repeated multiple times.
967 >
968 > 6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
969 >   check used to get in the way of using Stored Procedures, and "Update or Insert"
970 >   statements.
971 >
972 > 7. Insert, Modify and Delete property Editors now support Query Generation from
973 >   Stored Procedures.
974 >
975 > 8. Three new examples illustrate the use of the new IB Controls
976 >
977 >
978 > IBX Change Log  version  (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
979  
980   1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
981     setting performance. See "readme.field+param.names in the doc folder.(Thanks to

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