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Revision 225 by tony, Tue Apr 3 09:09:05 2018 UTC

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1 < IBX Change Log  version                                     (1.4-2) Sat, 16 Jul 2016 13:25:48 +0100
1 > IBX Change Log  version          (2.3-0) Tue, 03 Apr 2018 10:03:02 +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. 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 > 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. 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 > IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
130 >
131 > NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
132 > AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
133 > RELEASE.
134 >
135 > NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
136 >
137 > 1. IBExtract: Identity columns - add additional check for null column for generator name.
138 >
139 > 2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
140 >   The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
141 >   information). However, this is also a very useful mechanism for returning updated computed by
142 >   column values. Values returned as a result of executing an Insert or Update statement
143 >   replace existing values in the current row for each corresponding column.
144 >
145 >   Previously, if a dataset's select query included read only (computed by) fields then
146 >   an automatic row refresh was performed after an insert or update query had been processed,
147 >   irrespective of the setting of the "ForcedUpdates" property. This has changed such
148 >   that an automatic refresh is no longer performed if an insert or update query contains
149 >   a returning clause that updates one or more fields on the current row. A full row
150 >   refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
151 >   field values and the select query contains read only fields. Use of Insert/update
152 >   returning should be significantly more efficient than executing a refresh query.
153 >
154 >   This behaviour change is intended to be backwards compatible and there should be no need to change
155 >   existing programs, other than to improve performance by using the new capability.
156 >
157 > 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
158 >   they are called when the dataset row is being deleted, there is no value in
159 >   updating the current record from the query result. Instead, a new event handler
160 >   "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
161 >   an OnDeleteReturning event handler is provided then it is called with the IResults returned
162 >   by the query. The event handler can then interrogate the query results and
163 >   perform whatever action is necessary. For example to confirm, to the user,
164 >   the deletion of a row with the returned values.
165 >
166 > 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
167 >   any Computed By or Identity Columns. The IBTables example has been updated to
168 >   illustrate the computation of the employee Full Name on update.
169 >
170 > 5. TIBTable: The GeneratorField property is now published.
171 >
172 > 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
173 >   When InsertSQL is generated, the Identity columns are not included in the list of values to
174 >   be inserted. A RETURNING clause is added to the insert statement to return the value of
175 >   each Identity column after the insert is executed.
176 >
177 > 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
178 >   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
179 >   Insert..Returning clause.
180 >
181 > 8. TIBGenerator: small performance improvement by not preparing query each time
182 >   a new value is generated.
183 >
184 > 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
185 >
186 > 10. Property editors will now sync table name to a System Table when "Include System
187 >    Tables" is selected and the query is for a System Table.
188 >
189 > 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
190 >    values are no longer converted to milliseconds from TDateTime and then back again
191 >    to TDateTime (the conversion to milliseconds is the default TDataset approach).
192 >
193 > 12. Property Editors handling of Stored Procedures.
194 >    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
195 >      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
196 >      query).
197 >    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
198 >
199 > 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
200 >    can be used to select a package. If non-empty, the stored procedure name is
201 >    expected to be a stored procedure defined in the specified package and the
202 >    generated SQL will be as required for a stored procedure located in a package.
203 >
204 > 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
205 >    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
206 >    which a stored procedure can be selected. With no package name selected, non-package
207 >    stored procedures are listed.
208 >
209 > 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
210 >    for password on reconnect.
211 >
212 > 16. TIBDatabase: use IAttachment for connection default character set id, code page
213 >    and character set name.
214 >
215 > 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
216 >    DB info lookups"
217 >
218 > 18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
219 >
220 > 19. Add a property Editor for TIBUpdate.RefreshSQL.
221 >
222 > 20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
223 >    parameters. This stops an exception being raised when the field cannot be
224 >    located in the record buffer.
225 >
226 > 21. Property Editors now automatically include System Tables when opened and when the query table
227 >    is a System Table.
228 >
229 > 22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
230 >    This avoids errors due to a stale SQRB or SRB being used for the next query.
231 >
232 > 23. IBServices: Service attach parameters now include "expected_db". This is used to
233 >    add the SPB item isc_spb_expected_db. This names a database using
234 >    an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
235 >    database. examples/services re-written to illustrate use of "expected_db".
236 >
237 > 24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
238 >    This avoids truncated backups when the server returns a timeout (busy) response.
239 >
240 > 25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
241 >
242 > 26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
243 >    databasenames. These are respectively expanded to the local system's temp directory
244 >    (including trailing delimiter) or to a prescribed data directory (including
245 >    trailing delimiter). Under Unix systems the data directory is a hidden directory
246 >    in the user's home directory. The hidden directory name is either the string returned
247 >    from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
248 >    Under Windows, the directory is the same as the Data Directory as decribed
249 >    above but instead prefixed by the User's application data path. These may be
250 >    used to improve application portability for Personal Databases.
251 >
252 > 27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
253 >    this has not worked for a long time and is not useful either. FieldDefs should be
254 >    managed using the Fields Editor as with any other dataset. To access the fields
255 >    editor for a TIBTable component, double click on the component. The fields editor
256 >    is then displayed.
257 >
258 > 28. TIBDatabaseInfo: new properties/function
259 >     * DateDBCreated (returns date/time database created)
260 >     * TransactionCount (returns no. of active transactions)
261 >     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
262 >     * PagesFree (Firebird 3 or later)
263 >     * PagesUsed (Firebird 3 or later)
264 >     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
265 >     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
266 >
267 > 29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
268 >
269 > 30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
270 >
271 > 31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
272 >    the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
273 >
274 > 32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
275 >    in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
276 >    firing during backup and restore.
277 >
278 > 33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
279 >    for verbose output using the new property "StatisticsRequested".
280 >    see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
281 >
282 > 34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
283 >
284 > 35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
285 >    palette. This uses the online validation feature added in Firebird 2.5. The
286 >    services's properties enable inclusion/exclusion of tables and indexes using
287 >    regular expressions. See.
288 >    https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
289 >
290 > 36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
291 >    option on a database.
292 >
293 > 37. TIBCustomService: Assign method implemented to allow copying of service login
294 >    context between service API components. "Detach" method now only detaches
295 >    service when last reference to the service interface detaches. Tidy up of
296 >    code for SetActive and Attach methods including password hiding.
297 >
298 > 38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
299 >    and used to determine the auth method and protocol used for the connection.
300 >
301 > 39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
302 >    a Create Database Statement generated by IBX.
303 >
304 > 40. All IBServices now have an additional published property "PortNo". This may
305 >    be set to a non-standard port number when necessary. If zero then the default
306 >    port number is used.
307 >
308 > 41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
309 >    and not just the mouse.
310 >
311 > 42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
312 >
313 > 43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
314 >    image index and selected image index for each node to be set from a database field.
315 >
316 > 44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
317 >    then database schema includes grants to all users. If not present then the
318 >    only user grants included are those to User PUBLIC.
319 >
320 > 45. TIBTreeView: performance improvement. When expanding include both expanded node
321 >    and child nodes in dataset.
322 >
323 >
324 > IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
325 >
326 > 1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
327 >   changes.
328 >
329 > 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
330 >   Bug could result in truncated multi-byte character set values.
331 >
332 > 3. Changes consequential on moving fbintf character set utility functions from
333 >   IFirebirdAPI to IAttachment.
334 >
335 > 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
336 >
337 > 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
338 >   results in autocomplete ignoring prefix text.
339 >
340 > 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
341 >   entering a new name into the text box.
342 >
343 > 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
344 >   Firebird rather than recomputing it.
345 >
346 > 8. Property Editor positioning tidy up: All IBX Property editors should now be
347 >   screen centre. Previously some were "poDesigned" which may be inappropriate
348 >   for multi monitor desktops.
349 >
350 > 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
351 >
352 > 11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
353 >    a transaction and always reset the object.
354 >
355 > 12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
356 >
357 > 13. TIBXScript: Allow for override of database filename in Create Database statements.
358 >
359 > 14. IBLocaldb: Support initialisation of the database from an SQL script in addition
360 >    to a gbak format archive.
361 >
362 > 15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
363 >
364 > 16. IBLocaldb: Drop database if error creating an empty database.
365 >
366 > 17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
367 >    unless selected node not in current dataset.
368 >
369 > 18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
370 >    to TIBCustomService, and IBlocalDB code tidy up.
371 >
372 > 19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
373 >    behaviour due to uninitialised variable.
374 >
375 > 20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
376 >    integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
377 >
378 > 21. IBSQL: When Database changed ensure that all resources are freed.
379 >
380 > 22. IBCustomDataset: When database changed ensure that queries an unprepared.
381 >
382 > 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
383 >    * Line Wrap on SQL Token boundaries (on user command)
384 >    * auto-complete table names in drop down list of table names
385 >    * Double click on tablename or field name adds to SQL text
386 >
387 > 24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
388 >
389 > 25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
390 >    TVariantArray. Seems to avoid memory corruption in Windows (probably a
391 >    workaround for a problem in fpc 3.0.4 win64).
392 >
393 > 26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
394 >
395 > 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
396 >
397 > IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
398 >
399 > 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
400 >   include remote system name.
401 >
402 > 2. TIBExtract: No longer include comment header and COMMIT statement for empty
403 >   tables when data included in output.
404 >
405 > 3. Profiling: IBSQL now has conditional compilation flags to enable query performance
406 >   and timing information to be written to stdout. This may be used to locate
407 >   performance bottlenecks.
408 >
409 > 4. SQLParser: only call "OnChanging" event handler when value is different.
410 >
411 > 5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
412 >
413 > 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
414 >   that BindFields is called when the query is next activated. Avoids FieldName
415 >   not found error.
416 >
417 > 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
418 >   purpose and allows the programmer to define any action they want for Update, Insert
419 >   or Delete. This may be complex SQL (similar to a Trigger), application specific
420 >   filtering of updates, or use of statements such as Grant or Revoke instead of
421 >   normal DML. See User Manual for more information.
422 >
423 > IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
424 >
425 > 1. TIBEvents: Fix uninitialised variable that could result in lost events.
426 >
427 > 2. TIBExtract: Added support for FB3 "USAGE" privilege.
428 >
429 > 3. TIBExtract: data formatted as Charset set "octets" is now output using
430 >   hexadecimal notation.
431 >
432 > 4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
433 >   using a simple XML format.
434 >
435 > 5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
436 >   grants to these objects.
437 >
438 > 6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
439 >   dependency problems restoring complex databases.
440 >
441 > 7. TIBXScript: This component has been restructured to allow for the processing of
442 >   embedded XML in INSERT statements and to support interactive sources in addition
443 >   to non-interactive data sources such as files.
444 >
445 > 8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
446 >
447 > 9. TIBXScript: ISQL compatiable Set statements are now supported:
448 >   SET SQL DIALECT
449 >   SET TERM
450 >   SET AUTODDL
451 >   SET BAIL
452 >   SET ECHO
453 >   SET COUNT
454 >   SET STATS
455 >   SET NAMES <character set>
456 >
457 > 10. IBVersion unit added to hold current IBX Version Number information.
458 >
459 > 11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
460 >    and domain definitions.
461 >
462 > 12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
463 >    fully supported.
464 >
465 > 13. TIBExtract: when a database dump includes data, the generator values are now also set.
466 >
467 > 14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
468 >
469 > IBX Change Log  version     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
470 >
471 > See also doc/IBX4LazarusGuide.pdf for important information on
472 > upgrading to IBX2.
473 >
474 > 1. Size property of TIBStringField is now the width in characters of the field
475 >   and not the byte length. This applies only to multi-byte character sets such
476 >   as UTF8. The original approach aligned with TStringField. However, the TStringField
477 >   code is not recognised as a bug and hence this change to align the behaviour.
478 >   The TStringField change is expected in fpc 3.2.0.
479 >
480 > 2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
481 >   true (default) then Size property value saved in the lfm is ignored. Size is
482 >   always set from the dynamic information read from the database. It is unclear
483 >   why anyone would want to override this and set Size to false.
484 >
485 > 3. ibxscript: should now handle correctly a Case..End statement within a procedure
486 >   block.
487 >
488 > 4. IBDatabase: new property - CreateIfNotExists. If true and database does not
489 >   exist when an attempt is made to connect to it (run time only) then an attempt
490 >   is made to create the database.
491 >
492 > 5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
493 >   has been successfully created as a result of a call to CreateDatabase or when
494 >   creating a database after it was found not to exist.
495 >
496 > 6.  DBControlGrid: a race condition could result in the wrong row image being
497 >    written to the cache. This has been avoided by a trip round the message
498 >    loop before rendering the row image.
499 >
500 > 7.  DBControlGrid: It is strongly recommended not to open the source DataSet for
501 >    a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
502 >    known to risk corrupt rendering of row images when the control is first
503 >    displayed. If necessary use "Application.QueueAsyncCall" to delay opening
504 >    of the dataset (see DBControlGrid examples) until the Form's Window has been created.
505 >
506 > 8.  DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
507 >    a TDateEdit control located on an editor panel.
508 >
509 > 9.  TIBExtract: brought up-to-date plus many bug fixes.
510 >
511 > 10. DBControlGrid: Removed memory leak when updating rows.
512 >
513 > 11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
514 >
515 > IBX Change Log  version                                           (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
516 >
517 > 1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
518 >   when target codepage is CP_NONE. This is a workaround for
519 >   http://bugs.freepascal.org/view.php?id=30622.
520 >
521 > 2. DBLog option removed from TIBStatisticalService - not supported by server
522 >   since Firebird 1.5.
523 >
524 > 3. ibxscript: An error is no longer generated for "on commit preserve rows" or
525 >   similar.
526 >
527 > 4. IBCodePage: updated mapping between codepages and character id.
528 >
529 > 5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
530 >   Firebird. Character sets with a char width of two are not UTF16.
531 >
532 > 6. Strings received from the database are now always transliterated into UTF8
533 >   regardless of the database character set or connection character set. This
534 >   is for compatibility with the LCL.
535 >
536 > IBX Change Log  version  (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
537  
538   1. IBBlob: Defer reading of blob until read method called. This avoids having to
539     read in an entire blob just to get the size of the blob. General performance

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