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1 < IBX Change Log  version                                  (2.1-1) Sun, 07 Jan 2018 15:15:13 +0000
1 > IBX Change Log  version (2.5-0 Build 13868) Fri, 29 Jul 2022 09:52:01 +0100
2  
3 < 1. IBExtract: Identity columns - add addition check for null column for generator name.
3 > 1. TIBTransaction: new properties
4 >    property TransactionID: integer read GetTransactionID;
5 >    property IsReadOnly: boolean read GetIsReadOnly;
6 >    {published}
7 >    property TransactionName: string read FTransactionName write SetTransactionName;
8 >
9 > 2. IBCustomDataset: per row blob and array buffer cached clear before processing
10 >   Insert or Update...Returning. This allows blobs and arrays to be returned
11 >   by the statement.
12 >
13 > 3. TSQLXMLReader moved from IBXScript to package fbintf unit IBUtils.
14 >
15 > 4. TransactionName initialised to a newly generated GUID if empty.
16 >
17 > 5. New unit: IBJournal. This provides the TIBJournal component which is a wrapper
18 >   for the fbintf package's journaling capability. TIBJournal is used to set the
19 >   file path and filename for the journal file and to Enabled (start journaling) and
20 >   disable (stop journaling). See fbintf/doc/README.ClientSideJournaling.pdf for
21 >   more information, and comments in IBJournal.pas.
22 >
23 > 6. TIBDatabase.InternalTransaction is now a read only transaction.
24 >
25 > 7. Bug fix: blob id no longer set to null on update when blob has not been
26 >   retrieved.
27 >
28 > 8. Row auto refreshed on update/insert if blob or array field updated and field
29 >   not in a returning clause.
30 >
31 > 9. ColumnCount moved from record buffer header to a single per dataset count. Reduces
32 >   buffer overhead and avoids problem when refresh query has a different column
33 >   count to select query i.e. incorrectly changing number of columns.
34 >
35 > 10. IBExtract: support added for UDR Functions, Procedure and Trigger declarations.
36 >
37 > 11. TIBDatabaseInfo. New property FirebirdVersion. This returns the current Firebird version
38 >    string. Note that the Version property returns an InterBase compatible version string.
39 >
40 > 12. IBExtract: ensure sql identifiers returned as a LIST are always quoted.
41 >
42 > IBX Change Log  version (2.5-0 Build 12933) Mon, 29 Nov 2021 14:59:54 +0000
43 >
44 > 1. IBCustomDataset: Modify TISQL component now defaults to GoToFirstRecordOnExecute := true.
45 >   This is for compatibility with Firebird 5 where Update...Returning can return
46 >   a cursor.
47 >
48 > IBX Change Log  version (2.4-3 Build 12886) Sat, 23 Oct 2021 14:58:30 +0100
49 >
50 > 1. Add try-..except check when initially loading library in IDE. This should
51 > ensure that IDE continues to load even when a failure occurs in IBX load
52 > library.
53 >
54 > 2. IBXScript: now recognises a CASE...END block within a stored procedure and
55 >   hence will correctly detect end of the outer containing block when the block
56 >   contains a SELECT ... CASE ... END construct.
57 >
58 > 3. IBExtract: some further tidying up to remove extraneous white space.
59 >
60 > 4. IBCustomDataSet: DefaultFieldClasses array declaration updated to avoid compile time
61 >   errors when extra elements are added to DB.TFieldType.
62 >
63 > 5. IBUpdate: updated to reflect changes to ISQLParam.
64 >
65 > 6. IBXScript: now correctly parses a DECLARE statement which includes a quoted string.
66 >
67 > 7. IBExtract: for ODS >=13, increment generator value by one for ALTER SEQUENCE statement.
68 >
69 > 8. IBSQL: Support for scrollable cursors added (note: local databases only)
70 >
71 > IBX Change Log  version (2.4-2 Build 12773) Mon, 23 Aug 2021 11:59:42 +0100
72 >
73 > 1. TIBDatabaseInfo: review and tidy-up of property types. Most widen to int64 with the
74 >   exception of those defined to be one byte wide e.g. DBImplementationNo.
75 >
76 > 2. TIBSQL: Batch Update/Insert support added.
77 >
78 > 3. TIBStoredProc: when generating the SQL, the value of the StoredProcName property
79 >   is no longer automatically converted to upper case when it is syntactically a
80 >   SQL Identifier. This is to support the use of stored procedures defined e.g.
81 >   as CREATE PROCEDURE "iCASE".
82 >
83 >   There could be a backwards compatibility issue when the StoredProcName was entered
84 >   manually at design time. That is not selected from the drop down list. If the
85 >   StoredProcName is entered in mixed case and the procedure was declared e.g. as
86 >   CREATE PROCEDURE iCASE, then the SQL generation will be incorrect. You should
87 >   ensure that the value of the StoredProcName is all upper case, unless it was
88 >   declared under dialect 3 and explicitly as mixed case (i.e. delimited by double
89 >   quotes).
90 >
91 >   Note that when a stored procedure name was declared delimited in double quotes,
92 >   as in the first example above, the value of the StoredProcName property must not
93 >   include the delimiters (double quotes).
94 >
95 > 4. IBXUpgradeConfFile: an exception is now raised if a patch file specified in
96 >   upgrade.conf was not found. This replaces silently ignoring the problem.
97 >
98 > 5. TIBLocalDBSupport: new property "SectionHeaderTemplate". This defaults to
99 >   'Version.%.3d' and is used to generate the section header names (for a given
100 >   version no.) in the upgrade.conf file.
101 >
102 > IBX Change Log  version (2.4-1 Build 12550) Wed, 23 Jun 2021 13:59:14 +0100
103 >
104 > 1. -c command line option added to fbsql example program. Used to set connection
105 >   character set.
106 >
107 > IBX Change Log  version (2.4-0 Build 12543) Mon, 22 Feb 2021 11:00:08 +0000
108 >
109 > 1. Firebird 4 support added.
110 >
111 > 2. New FB4 data types TIME WITH TIME ZONE, TIMESTAMP WITH TIME ZONE, DECFLOAT and
112 >   extended precision NUMERIC fields are supported.
113 >
114 > 3. TFmtBCDField is used to support access to DECFLOAT and extended precision NUMERIC fields.
115 >
116 > 4. TIBDateTimeField and TIBTimeField are introduced in support of TIMESTAMP WITH TIME ZONE
117 >   and TIME WITH TIME ZONE fields. These inherit from TDateTimeField.
118 >
119 > 5. IBExtract now supports FB4 enhancements:
120 >   - new data types as above
121 >   - Identity column extensions
122 >   - Default user role
123 >   - SQL Security clause for Database, Tables, Procedures, Functions and Triggers
124 >   - Internal Functions
125 >
126 > 6. IBExtract: new event: OnExtractLines.
127 >
128 > 7. IBExtract: revert create trigger to legacy syntax see Firebird CORE-6243, CORE-5545 and DOC-145
129 >
130 > 8. IBXServices: Server version no. parsing now allows any letter before major version number
131 >   and is no longer restricted to 'V' e.g. "LI-T4.0.0.1436 Firebird 4.0 Beta 1"
132 >
133 > 9. TIBDataSet and TIBQuery: new property TZTextOption. Used to determine the default
134 >   format for rendering a time zone.
135 >
136 > 10. TIBDataSet and TIBQuery: new property DefaultTZDate. Used to provide the default date
137 >     to convert TIME WITH TIME ZONE data type values to and from GMT.
138 >
139 > 11. Unit name IBTypes changed to IBInternals. Internal interfaces TIBGUIInterface and TIBTimerInf renamed to
140 >    IIBGUIInterface and IIBTimerInf respectively.
141 >
142 > 12. Constants: DPBPrefix and TPBPrefix moved to IB unit. DPBConstantNames and TPBConstantNames
143 >    now accessible as properties of TIBDatabase and TIBTransaction respectively.
144 >
145 > 13. String Fields: when a fixed character with (CHAR) field is returned, it is now
146 >    truncated to its fixed character width rather than being right padded with
147 >    white space to the maximum data size.
148 >
149 > 14. TIBTable.Empty table. In additional to deleting all records in the underlying
150 >    table, the internal buffers are now also flushed ensuring that the TIBTable is
151 >    also empty.
152 >
153 > 15. TBatchSQLStatementReader: Line buffer is now cleared on call to reset.
154 >
155 > 16. TIBXControlService descendents: DatabaseName may now be set using a database
156 >    connect string. The database name is extracted from the connect string.
157 >
158 > 17. DBControlGrid: Minor bug fixes. avoid AV on form closure, avoid black panel
159 >
160 > 18. TIBExtract: Data type of COMPUTED By columns is no longer included in SQL.
161 >
162 > 19. Local database on Linux and with legacy API and FB 2.5 embedded server: fixed problem with password
163 >    not being present as required.
164 >
165 > 20. IBTreeView split into DBTreeView and IBTreeView. This former is an IBX indepedent
166 >    version that can be customised to work with other database drivers.
167 >
168 > 21. ISQLMonitor: use platform specific LineEnding to delimit messages. Avoids
169 >    unnecessary CR at end of line on Unix platforms.
170 >
171 > 22. ISQLMonitor: Unix: Default semaphore timeout increased from 1 second to 10
172 >    seconds in order to reduce risk of message loss.
173 >
174 > 23. ISQLMonitor: read and write count statistics now available via:
175 >      property TIBSQLMonitor.ReadCount;
176 >      IIBSQLMonitorHook.GetWriteCount: integer;
177 >
178 > 24. ISQLMonitor tidy up and unit split. IPC functions moved to new unit IBIPC.
179 >
180 > IBX Change Log  version (2.3-5 Build 12350) Tue, 25 Aug 2020 16:11:02 +0100
181 >
182 > 1.  TIBStringField: when a string value is read from a dataset buffer, if the
183 >    number of UTF8 characters exceeds the string size then string is truncated
184 >    to the maximum string size. This is  usually a problem with fixed width columns
185 >    right padded with white space.
186 >
187 > 2.  SQLFiltered and SQLFilterParams added to TIBQuery, TIBTable and TIBDataset.
188 >    If SQLFiltered is set then when a dataset is opened, each line in the
189 >    SQLFilterParams property is assumed to be a SQL condition clause and
190 >    ANDed into the Where clause of the SQL Select statement provided as a
191 >    dataset property. Each such SQL condition thus acts as an additional filter
192 >    on the dataset.
193 >
194 > 3.  The Filtered property inherited from TDataset is no longer used for SQL (server
195 >    side filters).
196 >
197 > 4. IBLookupComboEditBox: Selection should no longer reset to start of text when
198 >   text matches complete entry.
199 >
200 > 5. TIBDataLink: Detail Dataset params not refreshed unless both master and detail
201 >   dataset are active (avoids risk of access violation if master is inactive)
202 >
203 > 6. TIBEvents: Registered property can now be set at design time even if database not open
204 >
205 > 7. TIBEvents: component now correctly re-initialised after call to UnregisterEvents.
206 >   This should prevent "spillover" of events between sessions.
207 >
208 > 8. TIBCustomDataset: GetNextRecord now called when reseting to first record of a unidirectional dataset.
209 >   This should ensure that the internal buffer is set up correctly and avoids
210 >   a duplicate initial row.
211 >
212 > 9. TIBStringField: DataSize now given as byte size of string less trailing any zero character.
213 >   That is, the DataSize should be the field size * character set width. The
214 >   value returned by DataSize is now the same as the Dataset buffer size reserved
215 >   for the field.
216 >
217 > 10. IBExtract: Tidyup of SQL generation. Avoid unnecessary double quotes.
218 >
219 > 11. TIBCustomDataset: Add checks on buffer sizes when copying data from row to field buffer
220 >    and vice-versa. This may result in an exception being raised (correctly) for
221 >    older programs when using dataset fields added to a form and the database has been
222 >    upgraded. For example, computed fields can change from 32-bit to 64-bit integers.
223 >    In such cases, the field needs to be deleted in the IDE fields editor and then
224 >    added back in.
225 >
226 > 12. IBCustomDataSet: CanInsert, CanEdit, CanDelete and CanRefresh updated to return
227 >    false if query contains only white space and not just empty.
228 >
229 > 12. IBCustomDataset: Blob data is now cleared when TDataSet.Cancel is called. This
230 >    should ensure that (e.g.) a TDBMemo is correctly refreshed after a dataset edit
231 >    is cancelled.
232 >
233 > 13. IBCustomDataset: SetArrayIntf should no longer cause an access violation if
234 >    called on a null field.
235 >
236 > 14. IBCustomDataSet: An access violation should no longer occur when calling CancelUpdates
237 >    results in an empty dataTC86                Client side Filtered Dataset    1       X
238 > set.
239 >
240 > 15. IBCustomDataSet: OnUpdateError should now be called in all circumstances when
241 >    a cached update is applied and an exception is raised.
242 >
243 > 16. IBCustomDataSet: Avoid access violation when SetBookmarkData called with nil pointer.
244 >
245 > 17. Console Mode Local Database support: backup/restore should now work correctly.
246 >
247 > 18. Local Database Support: if an upgrade fails, a downgrade is now performed if
248 >    possible and an exception raised.
249 >
250 > 19. MinimumVersionNo added to Local Database Support. Database will not open if
251 >    below this version no. and upgrade not possible.
252 >
253 > IBX Change Log  version (2.3-4 Build 12041) Fri, 17 Apr 2020 14:00:32 +0100
254 >
255 > 1.  TIBXDataSet and Generators: Generator Names that are not all upper case or
256 >    not SQL Identifiers are now supported.
257 >
258 > 2.  TIBXScript: Set Generator is no longer rejected as unrecognised SQL and is
259 >    passed to the Firebird engine for execution.
260 >
261 > 3.  TIBDataSet: Unidirectional datasets now give an error message if an attempt
262 >    is made to scroll back.
263 >
264 > 4.  New unit: IBMessages.pas. Contains only messages used by IBX and not FBIntf
265 >
266 > 5. TIBLookupComboEditBox: When generating auto-complete SQL, the ListField is now
267 >   only enclosed in double quotes in SQL dialect 3 and when it needs to be.
268 >
269 > 6. TIBLookupComboEditBox: when the list source opens, the ListField name is now
270 >   validated. If no match is found in the list of field names and the database has
271 >   been opened in SQL Dialect 3, then the ListField Name is converted to upper case
272 >   if it then matches a field name. Otherwise, a Listfield not valid exception occurs.
273 >
274 > 7. IBGeneratoreditor.pas: Add missing parenthesis around "IS" statement for compliance
275 >   with fpc 3.2.
276 >
277 > IBX Change Log  version (2.3-3 Build 11512) Fri, 28 Dec 2018 10:04:17 +0000
278 >
279 >
280 > 1. New property for TIBDatabase and TIBXServicesConnection. This is "ConfigOverrides"
281 >   and is used to override the default settings in the client side "firebird.conf" This
282 >   includes "WireCompression" and "WireCrypt". The value of this property is a "TStrings".
283 >   Each line of the string list should be a setting in the same format as "firebird.conf".
284 >   For example "WireCompression = true" in order to request wire compression on the client side.
285 >
286 >   Note: explicit settings in the client side "firebird.conf" appear to take precedence
287 >   over settings given in TIBDatabase and TIBXServicesConnection. Many client side settings
288 >   also require a compatible setting in the server side "firebird.conf". For example
289 >   "WireCompression = true" must also be set in the server's "firebird.conf" for wire
290 >   compression to be used.
291 >
292 >   Whether or not WireCompression or WireCrypt are in use can be checked using the information
293 >   returned with the Client/Server protocol version. See ibx/examples/dbadmin and
294 >   ibx/examples/dbinfo for examples of how to display this information.
295 >
296 > 2. New property for TIBDatabase and TIBXServicesConnection: "WireCompression". This
297 >   is a "convenience" property. If set the "WireCompression=true" is added to the
298 >   ConfigOverrides. If unchecked then this setting is removed.
299 >
300 > 3. TIBExtract: 64-bit integer types are now correctly extracted as "BIGINT" and
301 >   not "INT64".
302 >
303 > 4. New published properties for TIBCSVDataOut, TIBInsertStmtsOut and TIBBlockFormatOut
304 >   These are:
305 >    property TimestampFormat: string;
306 >    property DateFormat: string;
307 >    property TimeFormat: string;
308 >
309 >   Respectively, these provide the date time format templates for SQL types: TIMESTAMP,
310 >   DATETIME and TIME. The format strings use the standard FPC date/time format
311 >   characters (see https://www.freepascal.org/docs-html/rtl/sysutils/formatchars.html).
312 >
313 >   If any of the above properties are set to an empty string, then the locale default
314 >   is used. This uses the ShortDateFormat and the LongTimeFormat. In timestamp, the
315 >   locale default is extended by appending '.zzz' to include milliseconds.
316 >
317 >   TIBCSVDataOut by default sets these properties to the empty string, while the other
318 >   two use: 'yyyy.mm.dd hh:nn:ss.zzz', 'yyyy.mm.dd' and 'hh:nn:ss.zzz' respectively.
319 >
320 > 5. New published property for TIBCSVDataOut:
321 >     property QuoteStrings: boolean (default true)
322 >
323 >   If false then strings are unquoted, otherwise, the QuoteChar property value is
324 >   used to delimit each and every string in the output.
325 >
326 > 6. New published properties for TIBCSVDataOut:
327 >    property FieldSeparator: string;
328 >    property HeaderSeparator: string;
329 >
330 >   Respectively, these provide the separator character(s) used to separate fields
331 >   in data and header rows. Both default to ','.
332 >
333 > 7. New published properties for TIBCSVDataOut and TIBBlockFormatOut:
334 >    TOnFormatTextString = procedure(sender: TObject; var TextString: string) of object;
335 >    property OnFormatTextString;
336 >
337 >   This event handler can be used to process text strings before they are included
338 >   in the output e.g. to replace unprintable characters with alternative strings.
339 >   This only applies to columns with an SQL Type of SQL_VARYING and SQL_TEXT.
340 >
341 > 8. TIBDataSet now raises an exception when ParamByName called with an invalid parameter name.
342 >   Uses "FindParam" if in order to find out if a parameter with a given name exists
343 >   and without raising and exception if it does not.
344 >
345 > 9. TIBQuery now uses IBX SQL Parser instead of the TParams SQL parser in order to ensure
346 >   consistency with SQL queries.
347 >
348 > 10. CaseSensitiveParameterNames property added to TIBSQL, TIBDataSet and TIBQuery.
349 >    When true, SQL statement parameter names are parsed case sensitive. Note for
350 >    TIBDataSet only applies to Select query.
351 >
352 > 11. IBEvents: removing a TIBEvent component from a form should no longer result in
353 >    an IDE exception.
354 >
355 > 12. LocalDBSupport: initial database creation should now work correctly
356 >    when the schema source is an sql file.
357 >
358 > 13. TIBCMLocalDBSupport: new event handler "property OnProgressEvent: TOnProgressEvent"
359 >    when defined, this handler will be called by the internal TIBXScript during
360 >    initial database creation when the schema source is an sql file and may be used
361 >    to provide a visual indication of progress in console mode.
362 >
363 > 14. TCustomIBLocalDBSupport: new public property "InOnCreateDB: boolean". This is set
364 >    to true while a new local database is being created and its schema populated.
365 >    Useful in (e.g.) TIBDatabase.OnAfterConnect handler to suppress actions
366 >    when the database is disconnected/connected during the create DB procedure.
367 >
368 > 15. TIBXScript: any User/password parameters found in a CREATE DATABASE statement
369 >    are now always ignored and replaced by the user name and password provided as
370 >    the login parameters for the TIBDatabase referenced from the TIBXScript. The
371 >    IgnoreCreateDatabase property still applies and the CREATE DATABASE statement is
372 >    completely ignored if this property is true.
373 >
374 > 16. Code tidyup in IBTreeView: Node properties initialisation moved from TIBTreeView.AddNodes
375 >    to TIBTreeView.Added. An OnAddition event handler is no longer needed to initialise
376 >    ImageIndex and SelectImageIndex values on AddNode.
377 >
378 > 17. TIBDatabase.Attachment and TIBXServicesConnection.ServicesIntf properties are now
379 >    read/write. This should enabled (e.g.) multiple instances of TIBDatabase to share
380 >    the same database connection.
381 >
382 > 18. TIBDataSet and TIBQuery now support the TDataSet "Filter" property.
383 >    if provided, this should be an conditional SQL expression suitable for
384 >    including in an SQL Select statement "where" clause. If non-empty and the
385 >    "Filtered" property is true then the SQL expression provided as the value of
386 >    the "Filter" property is "ANDed" with any existing condition statement
387 >    in the SQL statement's "Where" clause.
388 >
389 >    If the "Filter" property is set at run time, the "Filtered" property is true
390 >    and the dataset is already open, then the dataset is closed and re-opened automatically.
391 >
392 >    The "Filter" condition may include IBX style parameters. In which case, their
393 >    value must be set by the dataset's "OnBeforeOpen" event handler.
394 >
395 >    This is a public property for TIBDataSet and TIBQuery query and intended for
396 >    use at run time.
397 >
398 >    Note: The property is a published property of TIBTable. The TIBTable functionality
399 >    is unaffected by this change.
400 >
401 > IBX Change Log  version (2.3-2) Wed, 05 Dec 2018 12:19:23 +0000
402 >
403 > 1. Remove need to check for IsMultiThread by providing access to GUI timers via
404 >   IBGUIInterface. Note: master/detail delay timer does not apply to console
405 >   mode apps.
406 >
407 > 2. TIBCustomDataSet: SQLParser ignored if it does not contain a valid select
408 >   statement. This avoids problems if "Execute Block" is used as the Query.
409 >
410 > 3. IBSQLParser now uses the common SQL tokeniser from fbintf. This replaces the
411 >   internal SQL tokeniser routines.
412 >
413 > 4. IBSQLParser: new property NotaSelectStmt. Set to true if SQL fails to parse
414 >   as a select statement, with or without CTEs.
415 >
416 > 5. IBSQLParser: parser now recognises the "ROWS" clause.
417 >
418 > 6. TIBXScript now uses the common SQL tokeniser from fbintf. This replaces the
419 >   internal SQL tokeniser routines.
420 >
421 > 7.  Fix error in TIBXScript processing of "set" statements. This avoids exceptions
422 >    being raised for valid set statements processed by a data formatter.
423 >
424 > 8. New published property for TIBDatabase and TIBXServicesConnection. This is
425 >   FirebirdLibraryPathName: string. If not empty it is used to explicitly specify
426 >   the path of the Firebird Library used by the database/services connection.
427 >
428 > 9. New read only public property for TIBDatabase and TIBXServicesConnection. This
429 >   is FirebirdAPI and returns the IFirebirdAPI interface used by the database/
430 >   services connection.
431 >
432 > 10.SQL Property editors now quote parameter names if "Quote identifier" is selected
433 >   or param name is not a valid SQL identifier.
434 >
435 > 11. IBLookupComboEditBox: In Lazarus 2.0, TDBLookupComboBox takes a more restrictive
436 >    view of whether the text box should be editable when no DataSource is specified.
437 >    TIBLookupComboEditBox has been updated to workaround this problem. As long as
438 >    ReadOnly is false, the text box is editable when no DataSource is specified.
439 >
440 > 12. AllowUseOfFBLIB is now set to "true" at design time. This is to allow use of
441 >    the FBLIB environment variable. If you do not want to permit this then you
442 >    must modify the Register procedure in the design/IBDBReg.pas unit to remove
443 >    this setting.
444 >
445 > IBX Change Log  version                 (2.3-1) Thu, 25 Oct 2018 14:39:45 +0100
446 >
447 > 1. IBCustomDataset: replace deprecated function ValidUTF8String with call to
448 >   Utf8EscapeControlChars
449 >
450 > IBX Change Log  version                (2.3-0) Mon, 16 Apr 2018 09:48:06 +0100
451 >
452 > IMPORTANT: the source code tree has been re-organised for IBX 2.3. Please remove
453 > all previous copies of the IBX source code tree before installing this release.
454 >
455 > The IBX packages used by most users have not changed, with one exception. The
456 > IBServices unit has been moved to the package iblegacyServices.lpk. To continue
457 > to use the IBServices unit in your applications, please add the iblegacyServices
458 > to the list of dependencies. To do this, open the Project Inspector and select
459 > Add->New Requirement and select "ibLegacyServices" from the list of available
460 > packages.
461 >
462 > 1. New unit IBXServices. The IBXServices unit is a re-architectured update of
463 >   the IBServices unit providing what is intended to be a clearer and easier to
464 >   use set of IB Services components. See Chapter 10 of the IBX User Guide for
465 >   more information and the guide to "Firebird Service Management Using IBX".
466 >   As indicated above, the legacy services components are still available and
467 >   provided in a separate package. There is no need to update working applications
468 >   using the older versions except for an additional package dependency.
469 >
470 > 2. The IBX packages and source code tree have been re-organised in an attempt to
471 >   finally get rid of the "duplicate ppu" warnings. This re-organisation should
472 >   not affect existing users. Section 2.3 of the IBX User Guide describes the
473 >   new set of IBX packages.
474 >
475 > 3. The ibx/examples/DBAdmin and the ibx/examples/services example have been
476 >   updated to use the new Services API components.
477 >
478 > 4. The iblocal package has been updated to use the new Services API components.
479 >
480 > 5. procedure SetAutoAdmin; in the new IBX Services this method is now a member of
481 >   TIBXSecurityService. It had been wrongly classified in the previous version
482 >   as a per database configuration item. It is global to a server and hence
483 >   correctly positioned as part of the Security Package. In the DBAdmin example,
484 >   the setting has moved to the mappings page.
485 >
486 > 6. TIBXScript: IgnoreCreateDatabase added. If true then CREATE DATABASE statements
487 >   are ignored.
488 >
489 > 7. TIBDatabase: DropDatabase now ensures that all transactions have been properly
490 >   closed before the database is dropped. Before and After Disconnect event handlers
491 >   are also fired.
492 >
493 > 8. TIBTransaction: OnStartTransaction event now fires every time the transaction
494 >   is started and not just the first time.
495 >
496 > 9. IBDataOutput: Use FormatFloat for all performance statistics to avoid platform
497 >   depenendency with comp type.
498 >
499 > 10. IBDataOutput: select query data output is now sent to stdout instead of stderr.
500 >
501 > 11. TIBDatabase: Remove regression. If a user login dialog changes the DatabaseName
502 >    then this is recognised and not ignored.
503 >
504 > 12. TIBDataSet, TIBQuery, TIBTable: additions:
505 >    function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
506 >    function GetPerfStatistics(var stats: TPerfCounters): boolean;
507 >    property EnableStatistics: boolean read FEnableStatistics write SetEnableStatistics;
508 >
509 >    GetRowsAffected returns the affected row counts from the last insert/update/delete
510 >    if EnableStatistics = true then GetPerfStatistics returns the current stats
511 >    counters for the select query. Note: stats accumulate after each fetch from
512 >    the database. To get total query cost after open, call the "Last" method
513 >    and then GetPerfStatistics.
514 >
515 >    See ibx/examples/consolemode for an example of the use of GetPerfStatistics
516 >
517 > 13. TIBExtract: Identity columns DDL. "Start with clause" now correctly encapsulated
518 >    in parenthesises.
519 >
520 > 14. TIBExtract: new published property "AlwaysQuoteIdentifiers". If true then in dialect 3
521 >    SQL identifiers are always delimited by double quotes. If false, then they are
522 >    only delimited if the identifier is a reserved word, contains lower case or special
523 >    characters. Set this property to true to retain previous behaviour.
524 >
525 > 15. Insert SQL Property Editor. In Insert Returning Clause, Identity column names
526 >    are now inserted in double quotes if not Reserved Words or valid SQL Identifiers.
527 >
528 > 16. TIBDataSet, TIBQuery, TIBTable: addition:
529 >       property MasterDetailDelay: integer {defaults to zero}
530 >
531 >    When non-zero and the dataset is a detail table referencing a master table
532 >    through either a MasterSource (TIBTable) or a DataSource (TIBDataSet, TIBQuery)
533 >    then a synchronisation delay is added (in milliseconds) between the master
534 >    row changing and the detail dataset being re-opened. If the master dataset
535 >    is scrolled before the delay expires then the delay is reset. This can be used
536 >    to avoid performance overheads when scrolling through a large master dataset.
537 >
538 >    Note: uses fptimer and hence requires a thread manager. Under Linux the
539 >    chreads unit must be included in your project. TTimer is not used in order
540 >    to avoid an LCL dependency. Requires FPC 3.0.2 or later.
541 >
542 > 17. TIBExtract: User role grants now excluded when etGrantsToUser not specified
543 >    with Extract Option eoDatabase.
544 >
545 > 18. TIBLookupComboEditBox: Workaround added for https://bugs.freepascal.org/view.php?id=33428
546 >    When a deLayoutChanged event is reported on the ListSource dataset, the
547 >    combobox text is updated. This allows a listsource (detail) to be in a Master/Detail
548 >    relationship with the control's datasource (master).
549 >
550 > 19. TIBExtract: Full BigInt value range now supported for Generators/Sequences.
551 >
552 > 20. TIBExtract: Select Procedures (Procedure type 1) now include "SUSPEND;" clause in their
553 >    stubs. Pedantic fix really, as procedures output in dependency order anyway.
554 >
555 > 21. TIBExtract: Package Headers and Package Bodies are now included in the extracted
556 >    DDL (Firebird 3 and later only).
557 >
558 > 22. TIBLookupComboBox Autocomplete Fixes:
559 >    i. Only appended text is now selected after autocomplete.
560 >    ii. Uppercase keys no longer ignored for autocomplete.
561 >    iii. Retain Prefix case is now honoured correctly.
562 >    iv. When a DataSource is assigned, typing after autocomplete now extends prefix
563 >        before autocomplete performed. i.e. behaviour now the same as when
564 >        no DataSource assigned.
565 >
566 > 23. TIBXScript: Single Line Comments starting with '--' are now ignored when occurring
567 >    between SQL statements.
568 >
569 > 24. TIBExtract: New published property CaseSensitiveObjectNames. If false (default) then
570 >    ObjectNames are converted to upper case before matching against metadata object
571 >    names, unless the objectname is delimited by double quotes, in which case, the
572 >    double quotes are removed and the remaining string is used (unmodified) to match
573 >    against the metadata object name.
574 >
575 >    If true then the ObjectName is used as is without modification and matched
576 >    against the metadata object name. No attempt is made to remove double quotes.
577 >
578 > 25. TIBExtract: New Extract Types: etDatabaseTriggers and etDDLTriggers. When used
579 >    with eoTrigger, these extract types can be used to select only Database Triggers,
580 >    or DDL Triggers or both. Ignored when etTable or etTrigger included in Extract Types.
581 >
582 > 26. TIBXScript: If an exception occurs during the processing of a statement, the
583 >    statement separate character is now reset to the default (';').
584 >
585 > 27. TIBDatabase: Reconnect method added and used by TIBXScript for reconnect.
586 >
587 > 28. TIBXScript: Transaction is no longer automatically reactivated immediately processing
588 >    a commit or reconnect statement and instead activated only when next SQL statement
589 >    is executed.
590 >
591 > 29. TIBSQL.HasField should no longer generate and exception when the field does not exist.
592 >
593 > 30. TIBXScript: case insensitive regex now used when matching statements instead of
594 >    converting statement to upper case.
595 >
596 > 31. TIBExtract: metadata comments now supported. New published property
597 >    IncludeMetaDataComments (default true). If true then metadata comments included
598 >    in extracted DDL. New Extract Object member eoComments. This may be used with
599 >    ExtractObject method to list all metadata comments.
600 >
601 > 32. TIBExtract: ListObjectNames method added.
602 >
603 > 33. Updated Database component editor to support additional connection string
604 >    types.
605 >
606 > IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
607 >
608 > NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
609 > AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
610 > RELEASE.
611 >
612 > NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
613 >
614 > 1. IBExtract: Identity columns - add additional check for null column for generator name.
615  
616   2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
617     The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
618 <   information). Values returned as a result of executing an Insert or Update statement
619 <   replace existing values in the current row for each corresponding column.
618 >   information). However, this is also a very useful mechanism for returning updated computed by
619 >   column values. Values returned as a result of executing an Insert or Update statement
620 >   replace existing values in the current row for each corresponding column.
621 >
622 >   Previously, if a dataset's select query included read only (computed by) fields then
623 >   an automatic row refresh was performed after an insert or update query had been processed,
624 >   irrespective of the setting of the "ForcedUpdates" property. This has changed such
625 >   that an automatic refresh is no longer performed if an insert or update query contains
626 >   a returning clause that updates one or more fields on the current row. A full row
627 >   refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
628 >   field values and the select query contains read only fields. Use of Insert/update
629 >   returning should be significantly more efficient than executing a refresh query.
630 >
631 >   This behaviour change is intended to be backwards compatible and there should be no need to change
632 >   existing programs, other than to improve performance by using the new capability.
633  
634 < 3. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
634 > 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
635 >   they are called when the dataset row is being deleted, there is no value in
636 >   updating the current record from the query result. Instead, a new event handler
637 >   "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
638 >   an OnDeleteReturning event handler is provided then it is called with the IResults returned
639 >   by the query. The event handler can then interrogate the query results and
640 >   perform whatever action is necessary. For example to confirm, to the user,
641 >   the deletion of a row with the returned values.
642 >
643 > 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
644 >   any Computed By or Identity Columns. The IBTables example has been updated to
645 >   illustrate the computation of the employee Full Name on update.
646 >
647 > 5. TIBTable: The GeneratorField property is now published.
648 >
649 > 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
650     When InsertSQL is generated, the Identity columns are not included in the list of values to
651     be inserted. A RETURNING clause is added to the insert statement to return the value of
652     each Identity column after the insert is executed.
653  
654 < 4. TIBGenerator: small performance improvement by not preparing query each time
655 <   a new number is generated.
654 > 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
655 >   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
656 >   Insert..Returning clause.
657 >
658 > 8. TIBGenerator: small performance improvement by not preparing query each time
659 >   a new value is generated.
660 >
661 > 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
662 >
663 > 10. Property editors will now sync table name to a System Table when "Include System
664 >    Tables" is selected and the query is for a System Table.
665 >
666 > 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
667 >    values are no longer converted to milliseconds from TDateTime and then back again
668 >    to TDateTime (the conversion to milliseconds is the default TDataset approach).
669 >
670 > 12. Property Editors handling of Stored Procedures.
671 >    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
672 >      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
673 >      query).
674 >    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
675 >
676 > 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
677 >    can be used to select a package. If non-empty, the stored procedure name is
678 >    expected to be a stored procedure defined in the specified package and the
679 >    generated SQL will be as required for a stored procedure located in a package.
680 >
681 > 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
682 >    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
683 >    which a stored procedure can be selected. With no package name selected, non-package
684 >    stored procedures are listed.
685 >
686 > 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
687 >    for password on reconnect.
688 >
689 > 16. TIBDatabase: use IAttachment for connection default character set id, code page
690 >    and character set name.
691 >
692 > 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
693 >    DB info lookups"
694 >
695 > 18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
696 >
697 > 19. Add a property Editor for TIBUpdate.RefreshSQL.
698 >
699 > 20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
700 >    parameters. This stops an exception being raised when the field cannot be
701 >    located in the record buffer.
702 >
703 > 21. Property Editors now automatically include System Tables when opened and when the query table
704 >    is a System Table.
705 >
706 > 22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
707 >    This avoids errors due to a stale SQRB or SRB being used for the next query.
708 >
709 > 23. IBServices: Service attach parameters now include "expected_db". This is used to
710 >    add the SPB item isc_spb_expected_db. This names a database using
711 >    an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
712 >    database. examples/services re-written to illustrate use of "expected_db".
713 >
714 > 24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
715 >    This avoids truncated backups when the server returns a timeout (busy) response.
716 >
717 > 25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
718 >
719 > 26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
720 >    databasenames. These are respectively expanded to the local system's temp directory
721 >    (including trailing delimiter) or to a prescribed data directory (including
722 >    trailing delimiter). Under Unix systems the data directory is a hidden directory
723 >    in the user's home directory. The hidden directory name is either the string returned
724 >    from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
725 >    Under Windows, the directory is the same as the Data Directory as decribed
726 >    above but instead prefixed by the User's application data path. These may be
727 >    used to improve application portability for Personal Databases.
728 >
729 > 27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
730 >    this has not worked for a long time and is not useful either. FieldDefs should be
731 >    managed using the Fields Editor as with any other dataset. To access the fields
732 >    editor for a TIBTable component, double click on the component. The fields editor
733 >    is then displayed.
734 >
735 > 28. TIBDatabaseInfo: new properties/function
736 >     * DateDBCreated (returns date/time database created)
737 >     * TransactionCount (returns no. of active transactions)
738 >     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
739 >     * PagesFree (Firebird 3 or later)
740 >     * PagesUsed (Firebird 3 or later)
741 >     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
742 >     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
743 >
744 > 29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
745 >
746 > 30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
747 >
748 > 31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
749 >    the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
750 >
751 > 32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
752 >    in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
753 >    firing during backup and restore.
754 >
755 > 33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
756 >    for verbose output using the new property "StatisticsRequested".
757 >    see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
758 >
759 > 34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
760 >
761 > 35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
762 >    palette. This uses the online validation feature added in Firebird 2.5. The
763 >    services's properties enable inclusion/exclusion of tables and indexes using
764 >    regular expressions. See.
765 >    https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
766 >
767 > 36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
768 >    option on a database.
769 >
770 > 37. TIBCustomService: Assign method implemented to allow copying of service login
771 >    context between service API components. "Detach" method now only detaches
772 >    service when last reference to the service interface detaches. Tidy up of
773 >    code for SetActive and Attach methods including password hiding.
774 >
775 > 38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
776 >    and used to determine the auth method and protocol used for the connection.
777 >
778 > 39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
779 >    a Create Database Statement generated by IBX.
780 >
781 > 40. All IBServices now have an additional published property "PortNo". This may
782 >    be set to a non-standard port number when necessary. If zero then the default
783 >    port number is used.
784 >
785 > 41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
786 >    and not just the mouse.
787 >
788 > 42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
789 >
790 > 43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
791 >    image index and selected image index for each node to be set from a database field.
792 >
793 > 44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
794 >    then database schema includes grants to all users. If not present then the
795 >    only user grants included are those to User PUBLIC.
796 >
797 > 45. TIBTreeView: performance improvement. When expanding include both expanded node
798 >    and child nodes in dataset.
799  
18 5. TIBSQL: Free resources when transaction changed.
800  
801   IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
802  

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