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Revision 226 by tony, Tue Apr 3 10:52:43 2018 UTC

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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

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