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Revision 227 by tony, Mon Apr 9 10:31:10 2018 UTC

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1 < IBX Change Log  version      (1.3-0) Tue, 14 Jul 2015 16:32:40 +0100
1 > IBX Change Log  version            (2.3-0) Mon, 09 Apr 2018 11:20:33 +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 > 26. TIBXScript: If an exception occurs during the processing of a statement, the
134 >    statement separate character is now reset to the default (';').
135 >
136 > IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
137 >
138 > NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
139 > AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
140 > RELEASE.
141 >
142 > NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
143 >
144 > 1. IBExtract: Identity columns - add additional check for null column for generator name.
145 >
146 > 2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
147 >   The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
148 >   information). However, this is also a very useful mechanism for returning updated computed by
149 >   column values. Values returned as a result of executing an Insert or Update statement
150 >   replace existing values in the current row for each corresponding column.
151 >
152 >   Previously, if a dataset's select query included read only (computed by) fields then
153 >   an automatic row refresh was performed after an insert or update query had been processed,
154 >   irrespective of the setting of the "ForcedUpdates" property. This has changed such
155 >   that an automatic refresh is no longer performed if an insert or update query contains
156 >   a returning clause that updates one or more fields on the current row. A full row
157 >   refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
158 >   field values and the select query contains read only fields. Use of Insert/update
159 >   returning should be significantly more efficient than executing a refresh query.
160 >
161 >   This behaviour change is intended to be backwards compatible and there should be no need to change
162 >   existing programs, other than to improve performance by using the new capability.
163 >
164 > 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
165 >   they are called when the dataset row is being deleted, there is no value in
166 >   updating the current record from the query result. Instead, a new event handler
167 >   "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
168 >   an OnDeleteReturning event handler is provided then it is called with the IResults returned
169 >   by the query. The event handler can then interrogate the query results and
170 >   perform whatever action is necessary. For example to confirm, to the user,
171 >   the deletion of a row with the returned values.
172 >
173 > 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
174 >   any Computed By or Identity Columns. The IBTables example has been updated to
175 >   illustrate the computation of the employee Full Name on update.
176 >
177 > 5. TIBTable: The GeneratorField property is now published.
178 >
179 > 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
180 >   When InsertSQL is generated, the Identity columns are not included in the list of values to
181 >   be inserted. A RETURNING clause is added to the insert statement to return the value of
182 >   each Identity column after the insert is executed.
183 >
184 > 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
185 >   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
186 >   Insert..Returning clause.
187 >
188 > 8. TIBGenerator: small performance improvement by not preparing query each time
189 >   a new value is generated.
190 >
191 > 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
192 >
193 > 10. Property editors will now sync table name to a System Table when "Include System
194 >    Tables" is selected and the query is for a System Table.
195 >
196 > 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
197 >    values are no longer converted to milliseconds from TDateTime and then back again
198 >    to TDateTime (the conversion to milliseconds is the default TDataset approach).
199 >
200 > 12. Property Editors handling of Stored Procedures.
201 >    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
202 >      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
203 >      query).
204 >    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
205 >
206 > 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
207 >    can be used to select a package. If non-empty, the stored procedure name is
208 >    expected to be a stored procedure defined in the specified package and the
209 >    generated SQL will be as required for a stored procedure located in a package.
210 >
211 > 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
212 >    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
213 >    which a stored procedure can be selected. With no package name selected, non-package
214 >    stored procedures are listed.
215 >
216 > 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
217 >    for password on reconnect.
218 >
219 > 16. TIBDatabase: use IAttachment for connection default character set id, code page
220 >    and character set name.
221 >
222 > 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
223 >    DB info lookups"
224 >
225 > 18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
226 >
227 > 19. Add a property Editor for TIBUpdate.RefreshSQL.
228 >
229 > 20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
230 >    parameters. This stops an exception being raised when the field cannot be
231 >    located in the record buffer.
232 >
233 > 21. Property Editors now automatically include System Tables when opened and when the query table
234 >    is a System Table.
235 >
236 > 22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
237 >    This avoids errors due to a stale SQRB or SRB being used for the next query.
238 >
239 > 23. IBServices: Service attach parameters now include "expected_db". This is used to
240 >    add the SPB item isc_spb_expected_db. This names a database using
241 >    an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
242 >    database. examples/services re-written to illustrate use of "expected_db".
243 >
244 > 24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
245 >    This avoids truncated backups when the server returns a timeout (busy) response.
246 >
247 > 25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
248 >
249 > 26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
250 >    databasenames. These are respectively expanded to the local system's temp directory
251 >    (including trailing delimiter) or to a prescribed data directory (including
252 >    trailing delimiter). Under Unix systems the data directory is a hidden directory
253 >    in the user's home directory. The hidden directory name is either the string returned
254 >    from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
255 >    Under Windows, the directory is the same as the Data Directory as decribed
256 >    above but instead prefixed by the User's application data path. These may be
257 >    used to improve application portability for Personal Databases.
258 >
259 > 27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
260 >    this has not worked for a long time and is not useful either. FieldDefs should be
261 >    managed using the Fields Editor as with any other dataset. To access the fields
262 >    editor for a TIBTable component, double click on the component. The fields editor
263 >    is then displayed.
264 >
265 > 28. TIBDatabaseInfo: new properties/function
266 >     * DateDBCreated (returns date/time database created)
267 >     * TransactionCount (returns no. of active transactions)
268 >     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
269 >     * PagesFree (Firebird 3 or later)
270 >     * PagesUsed (Firebird 3 or later)
271 >     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
272 >     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
273 >
274 > 29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
275 >
276 > 30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
277 >
278 > 31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
279 >    the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
280 >
281 > 32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
282 >    in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
283 >    firing during backup and restore.
284 >
285 > 33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
286 >    for verbose output using the new property "StatisticsRequested".
287 >    see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
288 >
289 > 34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
290 >
291 > 35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
292 >    palette. This uses the online validation feature added in Firebird 2.5. The
293 >    services's properties enable inclusion/exclusion of tables and indexes using
294 >    regular expressions. See.
295 >    https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
296 >
297 > 36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
298 >    option on a database.
299 >
300 > 37. TIBCustomService: Assign method implemented to allow copying of service login
301 >    context between service API components. "Detach" method now only detaches
302 >    service when last reference to the service interface detaches. Tidy up of
303 >    code for SetActive and Attach methods including password hiding.
304 >
305 > 38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
306 >    and used to determine the auth method and protocol used for the connection.
307 >
308 > 39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
309 >    a Create Database Statement generated by IBX.
310 >
311 > 40. All IBServices now have an additional published property "PortNo". This may
312 >    be set to a non-standard port number when necessary. If zero then the default
313 >    port number is used.
314 >
315 > 41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
316 >    and not just the mouse.
317 >
318 > 42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
319 >
320 > 43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
321 >    image index and selected image index for each node to be set from a database field.
322 >
323 > 44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
324 >    then database schema includes grants to all users. If not present then the
325 >    only user grants included are those to User PUBLIC.
326 >
327 > 45. TIBTreeView: performance improvement. When expanding include both expanded node
328 >    and child nodes in dataset.
329 >
330 >
331 > IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
332 >
333 > 1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
334 >   changes.
335 >
336 > 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
337 >   Bug could result in truncated multi-byte character set values.
338 >
339 > 3. Changes consequential on moving fbintf character set utility functions from
340 >   IFirebirdAPI to IAttachment.
341 >
342 > 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
343 >
344 > 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
345 >   results in autocomplete ignoring prefix text.
346 >
347 > 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
348 >   entering a new name into the text box.
349 >
350 > 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
351 >   Firebird rather than recomputing it.
352 >
353 > 8. Property Editor positioning tidy up: All IBX Property editors should now be
354 >   screen centre. Previously some were "poDesigned" which may be inappropriate
355 >   for multi monitor desktops.
356 >
357 > 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
358 >
359 > 11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
360 >    a transaction and always reset the object.
361 >
362 > 12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
363 >
364 > 13. TIBXScript: Allow for override of database filename in Create Database statements.
365 >
366 > 14. IBLocaldb: Support initialisation of the database from an SQL script in addition
367 >    to a gbak format archive.
368 >
369 > 15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
370 >
371 > 16. IBLocaldb: Drop database if error creating an empty database.
372 >
373 > 17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
374 >    unless selected node not in current dataset.
375 >
376 > 18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
377 >    to TIBCustomService, and IBlocalDB code tidy up.
378 >
379 > 19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
380 >    behaviour due to uninitialised variable.
381 >
382 > 20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
383 >    integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
384 >
385 > 21. IBSQL: When Database changed ensure that all resources are freed.
386 >
387 > 22. IBCustomDataset: When database changed ensure that queries an unprepared.
388 >
389 > 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
390 >    * Line Wrap on SQL Token boundaries (on user command)
391 >    * auto-complete table names in drop down list of table names
392 >    * Double click on tablename or field name adds to SQL text
393 >
394 > 24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
395 >
396 > 25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
397 >    TVariantArray. Seems to avoid memory corruption in Windows (probably a
398 >    workaround for a problem in fpc 3.0.4 win64).
399 >
400 > 26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
401 >
402 > 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
403 >
404 > IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
405 >
406 > 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
407 >   include remote system name.
408 >
409 > 2. TIBExtract: No longer include comment header and COMMIT statement for empty
410 >   tables when data included in output.
411 >
412 > 3. Profiling: IBSQL now has conditional compilation flags to enable query performance
413 >   and timing information to be written to stdout. This may be used to locate
414 >   performance bottlenecks.
415 >
416 > 4. SQLParser: only call "OnChanging" event handler when value is different.
417 >
418 > 5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
419 >
420 > 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
421 >   that BindFields is called when the query is next activated. Avoids FieldName
422 >   not found error.
423 >
424 > 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
425 >   purpose and allows the programmer to define any action they want for Update, Insert
426 >   or Delete. This may be complex SQL (similar to a Trigger), application specific
427 >   filtering of updates, or use of statements such as Grant or Revoke instead of
428 >   normal DML. See User Manual for more information.
429 >
430 > IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
431 >
432 > 1. TIBEvents: Fix uninitialised variable that could result in lost events.
433 >
434 > 2. TIBExtract: Added support for FB3 "USAGE" privilege.
435 >
436 > 3. TIBExtract: data formatted as Charset set "octets" is now output using
437 >   hexadecimal notation.
438 >
439 > 4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
440 >   using a simple XML format.
441 >
442 > 5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
443 >   grants to these objects.
444 >
445 > 6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
446 >   dependency problems restoring complex databases.
447 >
448 > 7. TIBXScript: This component has been restructured to allow for the processing of
449 >   embedded XML in INSERT statements and to support interactive sources in addition
450 >   to non-interactive data sources such as files.
451 >
452 > 8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
453 >
454 > 9. TIBXScript: ISQL compatiable Set statements are now supported:
455 >   SET SQL DIALECT
456 >   SET TERM
457 >   SET AUTODDL
458 >   SET BAIL
459 >   SET ECHO
460 >   SET COUNT
461 >   SET STATS
462 >   SET NAMES <character set>
463 >
464 > 10. IBVersion unit added to hold current IBX Version Number information.
465 >
466 > 11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
467 >    and domain definitions.
468 >
469 > 12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
470 >    fully supported.
471 >
472 > 13. TIBExtract: when a database dump includes data, the generator values are now also set.
473 >
474 > 14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
475 >
476 > IBX Change Log  version     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
477 >
478 > See also doc/IBX4LazarusGuide.pdf for important information on
479 > upgrading to IBX2.
480 >
481 > 1. Size property of TIBStringField is now the width in characters of the field
482 >   and not the byte length. This applies only to multi-byte character sets such
483 >   as UTF8. The original approach aligned with TStringField. However, the TStringField
484 >   code is not recognised as a bug and hence this change to align the behaviour.
485 >   The TStringField change is expected in fpc 3.2.0.
486 >
487 > 2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
488 >   true (default) then Size property value saved in the lfm is ignored. Size is
489 >   always set from the dynamic information read from the database. It is unclear
490 >   why anyone would want to override this and set Size to false.
491 >
492 > 3. ibxscript: should now handle correctly a Case..End statement within a procedure
493 >   block.
494 >
495 > 4. IBDatabase: new property - CreateIfNotExists. If true and database does not
496 >   exist when an attempt is made to connect to it (run time only) then an attempt
497 >   is made to create the database.
498 >
499 > 5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
500 >   has been successfully created as a result of a call to CreateDatabase or when
501 >   creating a database after it was found not to exist.
502 >
503 > 6.  DBControlGrid: a race condition could result in the wrong row image being
504 >    written to the cache. This has been avoided by a trip round the message
505 >    loop before rendering the row image.
506 >
507 > 7.  DBControlGrid: It is strongly recommended not to open the source DataSet for
508 >    a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
509 >    known to risk corrupt rendering of row images when the control is first
510 >    displayed. If necessary use "Application.QueueAsyncCall" to delay opening
511 >    of the dataset (see DBControlGrid examples) until the Form's Window has been created.
512 >
513 > 8.  DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
514 >    a TDateEdit control located on an editor panel.
515 >
516 > 9.  TIBExtract: brought up-to-date plus many bug fixes.
517 >
518 > 10. DBControlGrid: Removed memory leak when updating rows.
519 >
520 > 11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
521 >
522 > IBX Change Log  version                                           (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
523 >
524 > 1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
525 >   when target codepage is CP_NONE. This is a workaround for
526 >   http://bugs.freepascal.org/view.php?id=30622.
527 >
528 > 2. DBLog option removed from TIBStatisticalService - not supported by server
529 >   since Firebird 1.5.
530 >
531 > 3. ibxscript: An error is no longer generated for "on commit preserve rows" or
532 >   similar.
533 >
534 > 4. IBCodePage: updated mapping between codepages and character id.
535 >
536 > 5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
537 >   Firebird. Character sets with a char width of two are not UTF16.
538 >
539 > 6. Strings received from the database are now always transliterated into UTF8
540 >   regardless of the database character set or connection character set. This
541 >   is for compatibility with the LCL.
542 >
543 > IBX Change Log  version  (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
544 >
545 > 1. IBBlob: Defer reading of blob until read method called. This avoids having to
546 >   read in an entire blob just to get the size of the blob. General performance
547 >   improvement when opening datasets containing blobs.
548 >
549 > 2. Clearing a  Blob now sets the corresponding field's modified flag.
550 >
551 > 3. IBLookupCombo: When not performing auto-complete, original query sort order
552 >   is now used.
553 >
554 > 4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
555 >   determined.
556 >
557 > 5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
558 >
559 > 6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
560 >   lazarus 1.6.0
561 >
562 > 7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
563 >   compilation error.
564 >
565 > IBX Change Log  version                                 (1.4-1) Tue, 17 May 2016 09:14:51 +0100
566 >
567 > 1. No character set specified for connection: when a text blob is retrieved, the
568 >  character set is determined by looking up the native character set using then
569 >  Firebird API. Otherwise a text mode blob is assumed to have the same character
570 >  set as the connection.
571 >
572 > 2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
573 >   for Login Dialog returing a change to the database path.
574 >
575 > 3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
576 >   to be changed from that given in the TIBDatabase/TIBServer component and for the
577 >   entered value to be saved on a project specific basis (design time only).
578 >
579 > 4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
580 >   column fieldname. If they are the same then it is acts as a look up for the KeyValue
581 >   Otherwise, it sets the column text to the selected ListField Value.
582 >
583 > 5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
584 >   column width.
585 >
586 > 6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
587 >   and a case insensitive search is requested.
588 >
589 > 7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
590 >   or column ListSource.
591 >
592 > 8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
593 >   unprepare) when closing and the text has not changed.
594 >
595 > 9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
596 >   Less likely to cause a cursor re-use error on Windows.
597 >
598 > 10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
599 >   Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
600 >
601 > 11. TIBTreeView: Guard against nil destination on record changed
602 >
603 > 12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
604 >    string type with the code page set to reflect the returned field encoding after
605 >    Firebird driver transliteration, if any.  FPC 3.0.0 onwards only. Behaviour unchanged for
606 >    earlier versions.
607 >
608 > 13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
609 >    will now result in transliteration to the code page specified for the Firebird driver
610 >    if the assigned string has a different code page. FPC 3.0.0 onwards only.
611 >
612 > 14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
613 >    is ignored and the lc_ctype value, when the database is opened, is set to align with
614 >    the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
615 >    platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
616 >    3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
617 >    the GETACP is used to determine the Windows code page.
618 >
619 > 15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
620 >    name used as the lc_ctype when the database was opened. Only valid while the
621 >    Database is connected.
622 >
623 > 16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
624 >    id that corresponds to the DefaultCharSetName.
625 >
626 > IBX Change Log  version                          (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
627 >
628 > 1. Unix: If Firebird Embedded Server shared object is loaded and a local database
629 >   path is given and database attach fails due to access permission issues on the
630 >   temp directory or security database, then the attach is retried with "localhost:"
631 >   prefixing the databasename. This should avoid problems when the database has to
632 >   be accessed by a local (e.g. classic) server and libfbembed is used.
633 >
634 > 2. Windows: revised search order for Firebird DLL:
635 >     i.   The Firebird Embedded Server in the application Directory.
636 >     ii.  If the FIREBIRD environment variable is set then the directory this
637 >          points to is searched for the FB Client DLL and then then underlying
638 >          "bin" directory.
639 >     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
640 >          is used to locate the Firebird installation directory and the underlying
641 >          "bin" directory is searched for the FB Client DLL.
642 >     iv.  The Default installation directories C:\Program Files\Firebird\Firebird_2_x
643 >          are searched for the FB Client DLL.
644 >     v.   The PATH Environment variable is used to search for the FB Client DLL.
645 >     vi.  Finally the  PATH Environment variable is used to search for IBASE.DLL.
646 >
647 > 3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
648 >   See doc/readme.scriptengine and example applications.
649 >
650 > 4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
651 >   simplify the use of the embedded firebird server on both Linux and Windows platforms.
652 >   See dpc/readme.localdatabase and example applications.
653 >
654 > 5. IBDynamicGrid: Reordering on column header click should now also work for
655 >   dynamic columns.
656 >
657 > 6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
658 >   between incrementing/decrementing the lock count and signalling the event.
659 >
660 > IBX Change Log  version           (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
661 >
662 > 1.3.2 was never formally released and only made available as beta copies.
663 >
664 > 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
665 >
666 > 2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
667 >
668 > 3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
669 >
670 > 4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
671 >   i.e. when it is a calculated field
672 >
673 > 5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
674 >   This problem was due to a race condition between recalculating row heights and
675 >   determining which row was selected by the mouse click. The row height calculation
676 >   is now deferred by an extra trip round the message loop allowing the row to
677 >   be always calculated on the current grid layout rather than risking it being
678 >   calculated on the grid layout after the expanded row has been shrunk.
679 >
680 > 6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
681 >   Windows.
682 >
683 > 7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
684 >   These properties allow the (Firebird) character set name for the field and the max number of bytes per character
685 >   to be determined at runtime. See doc/readme.charactersets.html.
686 >
687 > 8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
688 >   TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
689 >
690 > 9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
691 >   TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
692 >   1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
693 >
694 >   Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
695 >   from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
696 >   implies no truncation.
697 >
698 > 10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
699 >
700 > 11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
701 >   (avoids "Not in Edit Mode" error).
702 >
703 > 12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
704 >
705 > 13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
706 >    DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
707 >
708 > 14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
709 >
710 > 15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
711 >
712 > 16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
713 >
714 > 17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
715 >
716 > IBX Change Log  version        (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
717  
718   1.   OnCloseUp Event Handler added to TDBLookupProperties
719  
# Line 13 | Line 728 | IBX Change Log  version      (1.3-0) Tue
728   5.   IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
729       keyed in i.e. when autocomplete not performed
730  
731 < 6.   Cleanup of "Uses" clauses and console mode support. IBX should now support
732 <     console mode applications with all LCL required functions centralised in the
733 <     IBDialogs unit. As long as "IBDialogs" is not included in your project, IBX
734 <     should compile and link with a console mode program. See consolemode example
735 <     for further guidence. DO NOT add the ibexpress package to a console mode
736 <     application or the IDE will automatically assume that you application is
737 <     GUI based. Instead, you should include the ibexpressconsolemode package.
731 > 6.   Cleanup of "Uses" clauses and add console mode support. IBX should now support
732 >     console mode applications with all LCL required functions (builtin dialogs and
733 >     cursor management) centralised in the  IBDialogs unit. As long as "IBDialogs" is
734 >     not included in your project, IBX should compile and link with a console mode program.
735 >     See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
736 >     console mode application or the IDE will automatically assume that your
737 >     application is GUI based. Instead, you should include the ibexpressconsolemode package.
738  
739       IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
740       to use the built in dialogs and cursor management. IBDialogs is
741 <     included by default if "ibexpress" is in your project source "uses" clause.
741 >     included by default if "ibexpress" is in your project source's "uses" clause.
742       This should be the case for all projects created through the IDE. This is why
743       you do not want to add the ibexpress package to console mode applications. The
744       ibexpressconsolemode package has been created to allow console mode programs
745       to avoid adding LCL dependencies when using IBX, while still having the
746       unit search paths set up correctly.
747  
748 +     Existing users should check to ensure that the "ibexpress" unit is included in
749 +     each project's source file (*.lpr).
750 +
751       You may find that in order for the IDE to recognise that ibexpressconsolemode
752       exists, you have to first open the package in the IDE and then close it. This
753       adds it to the most recently accessed packages list. To make it permanently
754       available, add the package name to lazarus' staticpackages.inc file.
755  
756 <     Under Windows, the TISQLMonitor OnSQL Event Handler may require a new call to
39 <         Application.ProcessMessages in order to display an event journal correctly. See
40 <         example. This was previously called by TISQLMonitor itself but removed to avoid
41 <         a GUI dependency.
42 <
43 <         Thansk to Julio Jiménez for suggesting support of console mode.
756 >         Thanks to Julio Jiménez for suggesting support of console mode.
757  
758   7.   SQL Parser can now accept quoted strings that include new lines
759  
# Line 57 | Line 770 | IBX Change Log  version      (1.3-0) Tue
770          not be automatically recognised.
771  
772   11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
773 <    already open" errors due to random numbers being identical.
773 >    already open" errors due to random numbers used for the cursor name being identical.
774  
775   12. IBTable: corrected error that could result in an "Index out of bounds" error
776      when opening the table and the Primary Key is the last or only column in the
777      table. Thanks to Rick Hoover for the fix.
778  
779 < IBX Change Log  version                                                              (1.2-4) Sat, 09 May 2015 12:38:29 +0100
779 > 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
780 >    of "UTF-8", and update list of available database character sets. Existing
781 >    users should check the current lc_ctype setting in their applications.
782 >
783 > IBX Change Log  version  (1.2-4) Sat, 09 May 2015 12:38:29 +0100
784  
785   1.  Firebird Services: avoid List Index error when opening a service with an
786      empty Params property.
# Line 90 | Line 807 | IBX Change Log  version
807      in order to remove the property value from the lfm.
808  
809  
810 < IBX Change Log  version                                                          (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
810 > IBX Change Log  version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
811  
812   1.  TIBStoredProc. Prepare now called by ParamByName to avoid need to always
813      call Prepare before setting parameter values.
# Line 175 | Line 892 | IBX Change Log  version
892      and password should be omitted and the unix file permissions are used to grant
893      access.
894  
895 < IBX Change Log  version                                                    (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
895 > IBX Change Log  version  (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
896  
897   1.  A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
898      rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
# Line 197 | Line 914 | IBX Change Log  version
914   4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
915     using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
916  
917 < IBX Change Log  version                                                   (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
917 > IBX Change Log  version      (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
918  
919   Development version only.
920  
921 < IBX Change Log  version                                      (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
921 > IBX Change Log  version   (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
922  
923   1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
924     This is typically used during an "OnBeforeOpen" event handler to manipulate the
# Line 261 | Line 978 | IBX Change Log  version
978   8. Three new examples illustrate the use of the new IB Controls
979  
980  
981 < IBX Change Log  version                      (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
981 > IBX Change Log  version  (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
982  
983   1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
984     setting performance. See "readme.field+param.names in the doc folder.(Thanks to

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