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Revision 33 by tony, Sat Jul 18 12:30:52 2015 UTC vs.
Revision 428 by tony, Sat Dec 23 15:34:20 2023 UTC

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1 + IBX Change Log  version (2.6-4 Build 14139) Tue, 05 Dec 2023 14:55:21 +0000
2 +
3 + 1. TIBCustomDataSet.ApplyUpdates: ensure controls are not permanently disabled
4 +   if ApplyUpdates called before a cursor exists.
5 +
6 + 2. TIBCustomDataSet.CreateBlobStream: add check for empty dataset before
7 +   creating the blob.
8 +
9 + 3. TIBCustomDataset.Requery: The display buffer pool is now also reset avoiding
10 +   issues with left over pointers to invalid internal buffers.
11 +
12 + IBX Change Log  version (2.6-3 Build 14080) Sat, 21 Oct 2023 14:14:22 +0100
13 +
14 + 1. Update to calls to EInterbaseError to add default code page. Consequential
15 +   on change to fbintf.
16 +
17 + 2. Update some examples to replace test for null date with the NullDate constant
18 +   instead of zero. This is because Laz 3.0 changes the value of NullDate.
19 +
20 + IBX Change Log  version (2.6-2 Build 14016) Sat, 05 Aug 2023 11:54:55 +0100
21 +
22 + 1. Fixed repeated "type" keyword in IBBufferCursors. This may cause a compile error
23 +   with later versions of fpc - later than 3.2.2.
24 +
25 + 2. IBUpdateSQL. update internal queries if parent dataset database changed.
26 +
27 + 3. IBUpdateSQL: Do not prepare an empty internal query.
28 +
29 + 4. IBBufferedCursors: avoid range error when max field no. is > fields.count
30 +
31 + 5. IBBufferedCursors: avoid End of File error if refresh query returns and empty row count
32 +
33 + IBX Change Log  version (2.6-1 Build 13985) Mon, 17 Jul 2023 14:16:41 +0100
34 +
35 + 1. Maintenance update of 2.6.0. This version is still at beta.
36 +
37 + 2. Reverse out changes to DrawCellText signature in IBArrayGrid and IBDynamic Grid.
38 +   See https://gitlab.com/freepascal.org/lazarus/lazarus/-/commit/53aaae9c5e2a5edac5b1d2f70739a8ef7b0a9623
39 +
40 + 3. ibxscript: When parsing a store procedure or function with a variable name
41 +   enclosed in doublequotes, the double quotes are no longer removed.
42 +
43 + IBX Change Log  version (2.6-0 Build 13976) Thu, 22 Jun 2023 13:49:22 +0100
44 +
45 + NOTE: THIS VERSION RE-WRITES THE INTERNAL BUFFER MANAGER AND SHOULD BE CONSIDERED
46 +      AS BETA SOFTWARE. EVEN THOUGH IT HAS PASSED ALL REGRESSION TESTS, IT CANNOT
47 +      BE ASSUMED TO BE PRODUCTION READY UNTIL WIDER USE. PLEASE REPORT ANY
48 +      ISSUES TO support@mwasoftware.co.uk
49 +
50 + 1. Complete rewrite of internal buffer management in order to improve performance
51 +   and maintainability. Highlights:
52 +
53 +   * Extending the size of the buffer pool no longer has to copy the entire record
54 +     cache. Instead, a new extent is simply added to the buffer pool.
55 +   * A memory to memory copy of each display buffer now is avoided when scolling the
56 +     dataset.
57 +   * A separate set of buffers is now used for calculated fields. This avoids
58 +     having to keep copies of calculated field values in the buffer cache.
59 +   * Compact bitmaps are used to record null status and need to refresh in each
60 +     buffer.
61 +   * Display buffer type changed from PChar to TRecordBuffer in line with change of
62 +     buffer type in FCL-DB.
63 +
64 + 2. TIBUpdateSQL: changes to SQL text will close linked dataset if open. This is
65 +   to ensure same behaviour as TIBDataset, TIBTable and TIBStoredProcedure.
66 +
67 + 3. TField Provider Flags: pfRefreshOnInsert and pfRefreshOnUpdate are now supported.
68 +   If either or both of these flags are set at design time (using the fields editor)
69 +   then this forces a row refresh on respectively insert or update, or both, when the
70 +   corresponding field is not present in an SQL RETURNING clause.
71 +
72 + 4. TIBCustomDataset.FieldDefsFromQuery moved to a helper class (TFieldDefsMaker) in order to improve
73 +   maintainability and readability and to add identification of primary key fields.
74 +
75 + 5. TIBQuery, TIBDataset and TIBTable. Traditionally, IBX has implemented the Refresh method
76 +   as a refresh of the current row. However, this is different behaviour to that described
77 +   in the FPC documentation for TDataset.Refresh which is described as "refetches the data in
78 +   the dataset from the underlying database, and attempts to reposition the cursor on
79 +   the same record as it was". IBX now complies with the FPC definition of Refresh.
80 +
81 + 6. A progammatic Row Refresh should no longer be required.
82 +   Use Insert/Update... returning to refresh any fields that may change following an
83 +   insert or update i.e. Identify fields on Insert only, Computed By, Blob and array fields
84 +   on both. If there are any other fields (e.g. updated by triggers) set the appropriate ProviderFlag
85 +   for the field at Design Time to force a row refresh if not in the returning clause.
86 +
87 + 7. It should now be possible to insert a row into an empty unidirectional dataset.
88 +
89 + 8. New TIBQuery, TIBDataSet and TIBTable property: BufferChunksInFirstBlock (default 50).
90 +   This gives the number of buffers in the initial block for the buffer pool in
91 +   bi-directional datasets. BufferChunks (default 1000) gives the number of buffers
92 +   in subsequent buffer pool blocks. This avoids large and mostly unused memory allocations
93 +   for small datasets.
94 +
95 + IBX Change Log  version (2.5-1 Build 13927) Tue, 6 Dec 2022 23:13:00 +0000
96 +
97 + 1. IBCustomDataset: avoid problem with additions to TFieldType by using a subset instead.
98 +
99 + 2. TIBDynamicGrid: change DrawCellText declaration to comply with laz 2.3.0
100 +
101 + 3. TIBArrayGrid: change DrawCellText declaration to comply with laz 2.3.0
102 +
103 + IBX Change Log  version (2.5-0 Build 13868) Fri, 29 Jul 2022 09:52:01 +0100
104 +
105 + 1. TIBTransaction: new properties
106 +    property TransactionID: integer read GetTransactionID;
107 +    property IsReadOnly: boolean read GetIsReadOnly;
108 +    {published}
109 +    property TransactionName: string read FTransactionName write SetTransactionName;
110 +
111 + 2. IBCustomDataset: per row blob and array buffer cached clear before processing
112 +   Insert or Update...Returning. This allows blobs and arrays to be returned
113 +   by the statement.
114 +
115 + 3. TSQLXMLReader moved from IBXScript to package fbintf unit IBUtils.
116 +
117 + 4. TransactionName initialised to a newly generated GUID if empty.
118 +
119 + 5. New unit: IBJournal. This provides the TIBJournal component which is a wrapper
120 +   for the fbintf package's journaling capability. TIBJournal is used to set the
121 +   file path and filename for the journal file and to Enabled (start journaling) and
122 +   disable (stop journaling). See fbintf/doc/README.ClientSideJournaling.pdf for
123 +   more information, and comments in IBJournal.pas.
124 +
125 + 6. TIBDatabase.InternalTransaction is now a read only transaction.
126 +
127 + 7. Bug fix: blob id no longer set to null on update when blob has not been
128 +   retrieved.
129 +
130 + 8. Row auto refreshed on update/insert if blob or array field updated and field
131 +   not in a returning clause.
132 +
133 + 9. ColumnCount moved from record buffer header to a single per dataset count. Reduces
134 +   buffer overhead and avoids problem when refresh query has a different column
135 +   count to select query i.e. incorrectly changing number of columns.
136 +
137 + 10. IBExtract: support added for UDR Functions, Procedure and Trigger declarations.
138 +
139 + 11. TIBDatabaseInfo. New property FirebirdVersion. This returns the current Firebird version
140 +    string. Note that the Version property returns an InterBase compatible version string.
141 +
142 + 12. IBExtract: ensure sql identifiers returned as a LIST are always quoted.
143 +
144 + IBX Change Log  version (2.5-0 Build 12933) Mon, 29 Nov 2021 14:59:54 +0000
145 +
146 + 1. IBCustomDataset: Modify TISQL component now defaults to GoToFirstRecordOnExecute := true.
147 +   This is for compatibility with Firebird 5 where Update...Returning can return
148 +   a cursor.
149 +
150 + IBX Change Log  version (2.4-3 Build 12886) Sat, 23 Oct 2021 14:58:30 +0100
151 +
152 + 1. Add try-..except check when initially loading library in IDE. This should
153 + ensure that IDE continues to load even when a failure occurs in IBX load
154 + library.
155 +
156 + 2. IBXScript: now recognises a CASE...END block within a stored procedure and
157 +   hence will correctly detect end of the outer containing block when the block
158 +   contains a SELECT ... CASE ... END construct.
159 +
160 + 3. IBExtract: some further tidying up to remove extraneous white space.
161 +
162 + 4. IBCustomDataSet: DefaultFieldClasses array declaration updated to avoid compile time
163 +   errors when extra elements are added to DB.TFieldType.
164 +
165 + 5. IBUpdate: updated to reflect changes to ISQLParam.
166 +
167 + 6. IBXScript: now correctly parses a DECLARE statement which includes a quoted string.
168 +
169 + 7. IBExtract: for ODS >=13, increment generator value by one for ALTER SEQUENCE statement.
170 +
171 + 8. IBSQL: Support for scrollable cursors added (note: local databases only)
172 +
173 + IBX Change Log  version (2.4-2 Build 12773) Mon, 23 Aug 2021 11:59:42 +0100
174 +
175 + 1. TIBDatabaseInfo: review and tidy-up of property types. Most widen to int64 with the
176 +   exception of those defined to be one byte wide e.g. DBImplementationNo.
177 +
178 + 2. TIBSQL: Batch Update/Insert support added.
179 +
180 + 3. TIBStoredProc: when generating the SQL, the value of the StoredProcName property
181 +   is no longer automatically converted to upper case when it is syntactically a
182 +   SQL Identifier. This is to support the use of stored procedures defined e.g.
183 +   as CREATE PROCEDURE "iCASE".
184 +
185 +   There could be a backwards compatibility issue when the StoredProcName was entered
186 +   manually at design time. That is not selected from the drop down list. If the
187 +   StoredProcName is entered in mixed case and the procedure was declared e.g. as
188 +   CREATE PROCEDURE iCASE, then the SQL generation will be incorrect. You should
189 +   ensure that the value of the StoredProcName is all upper case, unless it was
190 +   declared under dialect 3 and explicitly as mixed case (i.e. delimited by double
191 +   quotes).
192 +
193 +   Note that when a stored procedure name was declared delimited in double quotes,
194 +   as in the first example above, the value of the StoredProcName property must not
195 +   include the delimiters (double quotes).
196 +
197 + 4. IBXUpgradeConfFile: an exception is now raised if a patch file specified in
198 +   upgrade.conf was not found. This replaces silently ignoring the problem.
199 +
200 + 5. TIBLocalDBSupport: new property "SectionHeaderTemplate". This defaults to
201 +   'Version.%.3d' and is used to generate the section header names (for a given
202 +   version no.) in the upgrade.conf file.
203 +
204 + IBX Change Log  version (2.4-1 Build 12550) Wed, 23 Jun 2021 13:59:14 +0100
205 +
206 + 1. -c command line option added to fbsql example program. Used to set connection
207 +   character set.
208 +
209 + IBX Change Log  version (2.4-0 Build 12543) Mon, 22 Feb 2021 11:00:08 +0000
210 +
211 + 1. Firebird 4 support added.
212 +
213 + 2. New FB4 data types TIME WITH TIME ZONE, TIMESTAMP WITH TIME ZONE, DECFLOAT and
214 +   extended precision NUMERIC fields are supported.
215 +
216 + 3. TFmtBCDField is used to support access to DECFLOAT and extended precision NUMERIC fields.
217 +
218 + 4. TIBDateTimeField and TIBTimeField are introduced in support of TIMESTAMP WITH TIME ZONE
219 +   and TIME WITH TIME ZONE fields. These inherit from TDateTimeField.
220 +
221 + 5. IBExtract now supports FB4 enhancements:
222 +   - new data types as above
223 +   - Identity column extensions
224 +   - Default user role
225 +   - SQL Security clause for Database, Tables, Procedures, Functions and Triggers
226 +   - Internal Functions
227 +
228 + 6. IBExtract: new event: OnExtractLines.
229 +
230 + 7. IBExtract: revert create trigger to legacy syntax see Firebird CORE-6243, CORE-5545 and DOC-145
231 +
232 + 8. IBXServices: Server version no. parsing now allows any letter before major version number
233 +   and is no longer restricted to 'V' e.g. "LI-T4.0.0.1436 Firebird 4.0 Beta 1"
234 +
235 + 9. TIBDataSet and TIBQuery: new property TZTextOption. Used to determine the default
236 +   format for rendering a time zone.
237 +
238 + 10. TIBDataSet and TIBQuery: new property DefaultTZDate. Used to provide the default date
239 +     to convert TIME WITH TIME ZONE data type values to and from GMT.
240 +
241 + 11. Unit name IBTypes changed to IBInternals. Internal interfaces TIBGUIInterface and TIBTimerInf renamed to
242 +    IIBGUIInterface and IIBTimerInf respectively.
243 +
244 + 12. Constants: DPBPrefix and TPBPrefix moved to IB unit. DPBConstantNames and TPBConstantNames
245 +    now accessible as properties of TIBDatabase and TIBTransaction respectively.
246 +
247 + 13. String Fields: when a fixed character with (CHAR) field is returned, it is now
248 +    truncated to its fixed character width rather than being right padded with
249 +    white space to the maximum data size.
250 +
251 + 14. TIBTable.Empty table. In additional to deleting all records in the underlying
252 +    table, the internal buffers are now also flushed ensuring that the TIBTable is
253 +    also empty.
254 +
255 + 15. TBatchSQLStatementReader: Line buffer is now cleared on call to reset.
256 +
257 + 16. TIBXControlService descendents: DatabaseName may now be set using a database
258 +    connect string. The database name is extracted from the connect string.
259 +
260 + 17. DBControlGrid: Minor bug fixes. avoid AV on form closure, avoid black panel
261 +
262 + 18. TIBExtract: Data type of COMPUTED By columns is no longer included in SQL.
263 +
264 + 19. Local database on Linux and with legacy API and FB 2.5 embedded server: fixed problem with password
265 +    not being present as required.
266 +
267 + 20. IBTreeView split into DBTreeView and IBTreeView. This former is an IBX indepedent
268 +    version that can be customised to work with other database drivers.
269 +
270 + 21. ISQLMonitor: use platform specific LineEnding to delimit messages. Avoids
271 +    unnecessary CR at end of line on Unix platforms.
272 +
273 + 22. ISQLMonitor: Unix: Default semaphore timeout increased from 1 second to 10
274 +    seconds in order to reduce risk of message loss.
275 +
276 + 23. ISQLMonitor: read and write count statistics now available via:
277 +      property TIBSQLMonitor.ReadCount;
278 +      IIBSQLMonitorHook.GetWriteCount: integer;
279 +
280 + 24. ISQLMonitor tidy up and unit split. IPC functions moved to new unit IBIPC.
281 +
282 + IBX Change Log  version (2.3-5 Build 12350) Tue, 25 Aug 2020 16:11:02 +0100
283 +
284 + 1.  TIBStringField: when a string value is read from a dataset buffer, if the
285 +    number of UTF8 characters exceeds the string size then string is truncated
286 +    to the maximum string size. This is  usually a problem with fixed width columns
287 +    right padded with white space.
288 +
289 + 2.  SQLFiltered and SQLFilterParams added to TIBQuery, TIBTable and TIBDataset.
290 +    If SQLFiltered is set then when a dataset is opened, each line in the
291 +    SQLFilterParams property is assumed to be a SQL condition clause and
292 +    ANDed into the Where clause of the SQL Select statement provided as a
293 +    dataset property. Each such SQL condition thus acts as an additional filter
294 +    on the dataset.
295 +
296 + 3.  The Filtered property inherited from TDataset is no longer used for SQL (server
297 +    side filters).
298 +
299 + 4. IBLookupComboEditBox: Selection should no longer reset to start of text when
300 +   text matches complete entry.
301 +
302 + 5. TIBDataLink: Detail Dataset params not refreshed unless both master and detail
303 +   dataset are active (avoids risk of access violation if master is inactive)
304 +
305 + 6. TIBEvents: Registered property can now be set at design time even if database not open
306 +
307 + 7. TIBEvents: component now correctly re-initialised after call to UnregisterEvents.
308 +   This should prevent "spillover" of events between sessions.
309 +
310 + 8. TIBCustomDataset: GetNextRecord now called when reseting to first record of a unidirectional dataset.
311 +   This should ensure that the internal buffer is set up correctly and avoids
312 +   a duplicate initial row.
313 +
314 + 9. TIBStringField: DataSize now given as byte size of string less trailing any zero character.
315 +   That is, the DataSize should be the field size * character set width. The
316 +   value returned by DataSize is now the same as the Dataset buffer size reserved
317 +   for the field.
318 +
319 + 10. IBExtract: Tidyup of SQL generation. Avoid unnecessary double quotes.
320 +
321 + 11. TIBCustomDataset: Add checks on buffer sizes when copying data from row to field buffer
322 +    and vice-versa. This may result in an exception being raised (correctly) for
323 +    older programs when using dataset fields added to a form and the database has been
324 +    upgraded. For example, computed fields can change from 32-bit to 64-bit integers.
325 +    In such cases, the field needs to be deleted in the IDE fields editor and then
326 +    added back in.
327 +
328 + 12. IBCustomDataSet: CanInsert, CanEdit, CanDelete and CanRefresh updated to return
329 +    false if query contains only white space and not just empty.
330 +
331 + 12. IBCustomDataset: Blob data is now cleared when TDataSet.Cancel is called. This
332 +    should ensure that (e.g.) a TDBMemo is correctly refreshed after a dataset edit
333 +    is cancelled.
334 +
335 + 13. IBCustomDataset: SetArrayIntf should no longer cause an access violation if
336 +    called on a null field.
337 +
338 + 14. IBCustomDataSet: An access violation should no longer occur when calling CancelUpdates
339 +    results in an empty dataTC86                Client side Filtered Dataset    1       X
340 + set.
341 +
342 + 15. IBCustomDataSet: OnUpdateError should now be called in all circumstances when
343 +    a cached update is applied and an exception is raised.
344 +
345 + 16. IBCustomDataSet: Avoid access violation when SetBookmarkData called with nil pointer.
346 +
347 + 17. Console Mode Local Database support: backup/restore should now work correctly.
348 +
349 + 18. Local Database Support: if an upgrade fails, a downgrade is now performed if
350 +    possible and an exception raised.
351 +
352 + 19. MinimumVersionNo added to Local Database Support. Database will not open if
353 +    below this version no. and upgrade not possible.
354 +
355 + IBX Change Log  version (2.3-4 Build 12041) Fri, 17 Apr 2020 14:00:32 +0100
356 +
357 + 1.  TIBXDataSet and Generators: Generator Names that are not all upper case or
358 +    not SQL Identifiers are now supported.
359 +
360 + 2.  TIBXScript: Set Generator is no longer rejected as unrecognised SQL and is
361 +    passed to the Firebird engine for execution.
362 +
363 + 3.  TIBDataSet: Unidirectional datasets now give an error message if an attempt
364 +    is made to scroll back.
365 +
366 + 4.  New unit: IBMessages.pas. Contains only messages used by IBX and not FBIntf
367 +
368 + 5. TIBLookupComboEditBox: When generating auto-complete SQL, the ListField is now
369 +   only enclosed in double quotes in SQL dialect 3 and when it needs to be.
370 +
371 + 6. TIBLookupComboEditBox: when the list source opens, the ListField name is now
372 +   validated. If no match is found in the list of field names and the database has
373 +   been opened in SQL Dialect 3, then the ListField Name is converted to upper case
374 +   if it then matches a field name. Otherwise, a Listfield not valid exception occurs.
375 +
376 + 7. IBGeneratoreditor.pas: Add missing parenthesis around "IS" statement for compliance
377 +   with fpc 3.2.
378 +
379 + IBX Change Log  version (2.3-3 Build 11512) Fri, 28 Dec 2018 10:04:17 +0000
380 +
381 +
382 + 1. New property for TIBDatabase and TIBXServicesConnection. This is "ConfigOverrides"
383 +   and is used to override the default settings in the client side "firebird.conf" This
384 +   includes "WireCompression" and "WireCrypt". The value of this property is a "TStrings".
385 +   Each line of the string list should be a setting in the same format as "firebird.conf".
386 +   For example "WireCompression = true" in order to request wire compression on the client side.
387 +
388 +   Note: explicit settings in the client side "firebird.conf" appear to take precedence
389 +   over settings given in TIBDatabase and TIBXServicesConnection. Many client side settings
390 +   also require a compatible setting in the server side "firebird.conf". For example
391 +   "WireCompression = true" must also be set in the server's "firebird.conf" for wire
392 +   compression to be used.
393 +
394 +   Whether or not WireCompression or WireCrypt are in use can be checked using the information
395 +   returned with the Client/Server protocol version. See ibx/examples/dbadmin and
396 +   ibx/examples/dbinfo for examples of how to display this information.
397 +
398 + 2. New property for TIBDatabase and TIBXServicesConnection: "WireCompression". This
399 +   is a "convenience" property. If set the "WireCompression=true" is added to the
400 +   ConfigOverrides. If unchecked then this setting is removed.
401 +
402 + 3. TIBExtract: 64-bit integer types are now correctly extracted as "BIGINT" and
403 +   not "INT64".
404 +
405 + 4. New published properties for TIBCSVDataOut, TIBInsertStmtsOut and TIBBlockFormatOut
406 +   These are:
407 +    property TimestampFormat: string;
408 +    property DateFormat: string;
409 +    property TimeFormat: string;
410 +
411 +   Respectively, these provide the date time format templates for SQL types: TIMESTAMP,
412 +   DATETIME and TIME. The format strings use the standard FPC date/time format
413 +   characters (see https://www.freepascal.org/docs-html/rtl/sysutils/formatchars.html).
414 +
415 +   If any of the above properties are set to an empty string, then the locale default
416 +   is used. This uses the ShortDateFormat and the LongTimeFormat. In timestamp, the
417 +   locale default is extended by appending '.zzz' to include milliseconds.
418 +
419 +   TIBCSVDataOut by default sets these properties to the empty string, while the other
420 +   two use: 'yyyy.mm.dd hh:nn:ss.zzz', 'yyyy.mm.dd' and 'hh:nn:ss.zzz' respectively.
421 +
422 + 5. New published property for TIBCSVDataOut:
423 +     property QuoteStrings: boolean (default true)
424 +
425 +   If false then strings are unquoted, otherwise, the QuoteChar property value is
426 +   used to delimit each and every string in the output.
427 +
428 + 6. New published properties for TIBCSVDataOut:
429 +    property FieldSeparator: string;
430 +    property HeaderSeparator: string;
431 +
432 +   Respectively, these provide the separator character(s) used to separate fields
433 +   in data and header rows. Both default to ','.
434 +
435 + 7. New published properties for TIBCSVDataOut and TIBBlockFormatOut:
436 +    TOnFormatTextString = procedure(sender: TObject; var TextString: string) of object;
437 +    property OnFormatTextString;
438 +
439 +   This event handler can be used to process text strings before they are included
440 +   in the output e.g. to replace unprintable characters with alternative strings.
441 +   This only applies to columns with an SQL Type of SQL_VARYING and SQL_TEXT.
442 +
443 + 8. TIBDataSet now raises an exception when ParamByName called with an invalid parameter name.
444 +   Uses "FindParam" if in order to find out if a parameter with a given name exists
445 +   and without raising and exception if it does not.
446 +
447 + 9. TIBQuery now uses IBX SQL Parser instead of the TParams SQL parser in order to ensure
448 +   consistency with SQL queries.
449 +
450 + 10. CaseSensitiveParameterNames property added to TIBSQL, TIBDataSet and TIBQuery.
451 +    When true, SQL statement parameter names are parsed case sensitive. Note for
452 +    TIBDataSet only applies to Select query.
453 +
454 + 11. IBEvents: removing a TIBEvent component from a form should no longer result in
455 +    an IDE exception.
456 +
457 + 12. LocalDBSupport: initial database creation should now work correctly
458 +    when the schema source is an sql file.
459 +
460 + 13. TIBCMLocalDBSupport: new event handler "property OnProgressEvent: TOnProgressEvent"
461 +    when defined, this handler will be called by the internal TIBXScript during
462 +    initial database creation when the schema source is an sql file and may be used
463 +    to provide a visual indication of progress in console mode.
464 +
465 + 14. TCustomIBLocalDBSupport: new public property "InOnCreateDB: boolean". This is set
466 +    to true while a new local database is being created and its schema populated.
467 +    Useful in (e.g.) TIBDatabase.OnAfterConnect handler to suppress actions
468 +    when the database is disconnected/connected during the create DB procedure.
469 +
470 + 15. TIBXScript: any User/password parameters found in a CREATE DATABASE statement
471 +    are now always ignored and replaced by the user name and password provided as
472 +    the login parameters for the TIBDatabase referenced from the TIBXScript. The
473 +    IgnoreCreateDatabase property still applies and the CREATE DATABASE statement is
474 +    completely ignored if this property is true.
475 +
476 + 16. Code tidyup in IBTreeView: Node properties initialisation moved from TIBTreeView.AddNodes
477 +    to TIBTreeView.Added. An OnAddition event handler is no longer needed to initialise
478 +    ImageIndex and SelectImageIndex values on AddNode.
479 +
480 + 17. TIBDatabase.Attachment and TIBXServicesConnection.ServicesIntf properties are now
481 +    read/write. This should enabled (e.g.) multiple instances of TIBDatabase to share
482 +    the same database connection.
483 +
484 + 18. TIBDataSet and TIBQuery now support the TDataSet "Filter" property.
485 +    if provided, this should be an conditional SQL expression suitable for
486 +    including in an SQL Select statement "where" clause. If non-empty and the
487 +    "Filtered" property is true then the SQL expression provided as the value of
488 +    the "Filter" property is "ANDed" with any existing condition statement
489 +    in the SQL statement's "Where" clause.
490 +
491 +    If the "Filter" property is set at run time, the "Filtered" property is true
492 +    and the dataset is already open, then the dataset is closed and re-opened automatically.
493 +
494 +    The "Filter" condition may include IBX style parameters. In which case, their
495 +    value must be set by the dataset's "OnBeforeOpen" event handler.
496 +
497 +    This is a public property for TIBDataSet and TIBQuery query and intended for
498 +    use at run time.
499 +
500 +    Note: The property is a published property of TIBTable. The TIBTable functionality
501 +    is unaffected by this change.
502 +
503 + IBX Change Log  version (2.3-2) Wed, 05 Dec 2018 12:19:23 +0000
504 +
505 + 1. Remove need to check for IsMultiThread by providing access to GUI timers via
506 +   IBGUIInterface. Note: master/detail delay timer does not apply to console
507 +   mode apps.
508 +
509 + 2. TIBCustomDataSet: SQLParser ignored if it does not contain a valid select
510 +   statement. This avoids problems if "Execute Block" is used as the Query.
511 +
512 + 3. IBSQLParser now uses the common SQL tokeniser from fbintf. This replaces the
513 +   internal SQL tokeniser routines.
514 +
515 + 4. IBSQLParser: new property NotaSelectStmt. Set to true if SQL fails to parse
516 +   as a select statement, with or without CTEs.
517 +
518 + 5. IBSQLParser: parser now recognises the "ROWS" clause.
519 +
520 + 6. TIBXScript now uses the common SQL tokeniser from fbintf. This replaces the
521 +   internal SQL tokeniser routines.
522 +
523 + 7.  Fix error in TIBXScript processing of "set" statements. This avoids exceptions
524 +    being raised for valid set statements processed by a data formatter.
525 +
526 + 8. New published property for TIBDatabase and TIBXServicesConnection. This is
527 +   FirebirdLibraryPathName: string. If not empty it is used to explicitly specify
528 +   the path of the Firebird Library used by the database/services connection.
529 +
530 + 9. New read only public property for TIBDatabase and TIBXServicesConnection. This
531 +   is FirebirdAPI and returns the IFirebirdAPI interface used by the database/
532 +   services connection.
533 +
534 + 10.SQL Property editors now quote parameter names if "Quote identifier" is selected
535 +   or param name is not a valid SQL identifier.
536 +
537 + 11. IBLookupComboEditBox: In Lazarus 2.0, TDBLookupComboBox takes a more restrictive
538 +    view of whether the text box should be editable when no DataSource is specified.
539 +    TIBLookupComboEditBox has been updated to workaround this problem. As long as
540 +    ReadOnly is false, the text box is editable when no DataSource is specified.
541 +
542 + 12. AllowUseOfFBLIB is now set to "true" at design time. This is to allow use of
543 +    the FBLIB environment variable. If you do not want to permit this then you
544 +    must modify the Register procedure in the design/IBDBReg.pas unit to remove
545 +    this setting.
546 +
547 + IBX Change Log  version                 (2.3-1) Thu, 25 Oct 2018 14:39:45 +0100
548 +
549 + 1. IBCustomDataset: replace deprecated function ValidUTF8String with call to
550 +   Utf8EscapeControlChars
551 +
552 + IBX Change Log  version                (2.3-0) Mon, 16 Apr 2018 09:48:06 +0100
553 +
554 + IMPORTANT: the source code tree has been re-organised for IBX 2.3. Please remove
555 + all previous copies of the IBX source code tree before installing this release.
556 +
557 + The IBX packages used by most users have not changed, with one exception. The
558 + IBServices unit has been moved to the package iblegacyServices.lpk. To continue
559 + to use the IBServices unit in your applications, please add the iblegacyServices
560 + to the list of dependencies. To do this, open the Project Inspector and select
561 + Add->New Requirement and select "ibLegacyServices" from the list of available
562 + packages.
563 +
564 + 1. New unit IBXServices. The IBXServices unit is a re-architectured update of
565 +   the IBServices unit providing what is intended to be a clearer and easier to
566 +   use set of IB Services components. See Chapter 10 of the IBX User Guide for
567 +   more information and the guide to "Firebird Service Management Using IBX".
568 +   As indicated above, the legacy services components are still available and
569 +   provided in a separate package. There is no need to update working applications
570 +   using the older versions except for an additional package dependency.
571 +
572 + 2. The IBX packages and source code tree have been re-organised in an attempt to
573 +   finally get rid of the "duplicate ppu" warnings. This re-organisation should
574 +   not affect existing users. Section 2.3 of the IBX User Guide describes the
575 +   new set of IBX packages.
576 +
577 + 3. The ibx/examples/DBAdmin and the ibx/examples/services example have been
578 +   updated to use the new Services API components.
579 +
580 + 4. The iblocal package has been updated to use the new Services API components.
581 +
582 + 5. procedure SetAutoAdmin; in the new IBX Services this method is now a member of
583 +   TIBXSecurityService. It had been wrongly classified in the previous version
584 +   as a per database configuration item. It is global to a server and hence
585 +   correctly positioned as part of the Security Package. In the DBAdmin example,
586 +   the setting has moved to the mappings page.
587 +
588 + 6. TIBXScript: IgnoreCreateDatabase added. If true then CREATE DATABASE statements
589 +   are ignored.
590 +
591 + 7. TIBDatabase: DropDatabase now ensures that all transactions have been properly
592 +   closed before the database is dropped. Before and After Disconnect event handlers
593 +   are also fired.
594 +
595 + 8. TIBTransaction: OnStartTransaction event now fires every time the transaction
596 +   is started and not just the first time.
597 +
598 + 9. IBDataOutput: Use FormatFloat for all performance statistics to avoid platform
599 +   depenendency with comp type.
600 +
601 + 10. IBDataOutput: select query data output is now sent to stdout instead of stderr.
602 +
603 + 11. TIBDatabase: Remove regression. If a user login dialog changes the DatabaseName
604 +    then this is recognised and not ignored.
605 +
606 + 12. TIBDataSet, TIBQuery, TIBTable: additions:
607 +    function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
608 +    function GetPerfStatistics(var stats: TPerfCounters): boolean;
609 +    property EnableStatistics: boolean read FEnableStatistics write SetEnableStatistics;
610 +
611 +    GetRowsAffected returns the affected row counts from the last insert/update/delete
612 +    if EnableStatistics = true then GetPerfStatistics returns the current stats
613 +    counters for the select query. Note: stats accumulate after each fetch from
614 +    the database. To get total query cost after open, call the "Last" method
615 +    and then GetPerfStatistics.
616 +
617 +    See ibx/examples/consolemode for an example of the use of GetPerfStatistics
618 +
619 + 13. TIBExtract: Identity columns DDL. "Start with clause" now correctly encapsulated
620 +    in parenthesises.
621 +
622 + 14. TIBExtract: new published property "AlwaysQuoteIdentifiers". If true then in dialect 3
623 +    SQL identifiers are always delimited by double quotes. If false, then they are
624 +    only delimited if the identifier is a reserved word, contains lower case or special
625 +    characters. Set this property to true to retain previous behaviour.
626 +
627 + 15. Insert SQL Property Editor. In Insert Returning Clause, Identity column names
628 +    are now inserted in double quotes if not Reserved Words or valid SQL Identifiers.
629 +
630 + 16. TIBDataSet, TIBQuery, TIBTable: addition:
631 +       property MasterDetailDelay: integer {defaults to zero}
632 +
633 +    When non-zero and the dataset is a detail table referencing a master table
634 +    through either a MasterSource (TIBTable) or a DataSource (TIBDataSet, TIBQuery)
635 +    then a synchronisation delay is added (in milliseconds) between the master
636 +    row changing and the detail dataset being re-opened. If the master dataset
637 +    is scrolled before the delay expires then the delay is reset. This can be used
638 +    to avoid performance overheads when scrolling through a large master dataset.
639 +
640 +    Note: uses fptimer and hence requires a thread manager. Under Linux the
641 +    chreads unit must be included in your project. TTimer is not used in order
642 +    to avoid an LCL dependency. Requires FPC 3.0.2 or later.
643 +
644 + 17. TIBExtract: User role grants now excluded when etGrantsToUser not specified
645 +    with Extract Option eoDatabase.
646 +
647 + 18. TIBLookupComboEditBox: Workaround added for https://bugs.freepascal.org/view.php?id=33428
648 +    When a deLayoutChanged event is reported on the ListSource dataset, the
649 +    combobox text is updated. This allows a listsource (detail) to be in a Master/Detail
650 +    relationship with the control's datasource (master).
651 +
652 + 19. TIBExtract: Full BigInt value range now supported for Generators/Sequences.
653 +
654 + 20. TIBExtract: Select Procedures (Procedure type 1) now include "SUSPEND;" clause in their
655 +    stubs. Pedantic fix really, as procedures output in dependency order anyway.
656 +
657 + 21. TIBExtract: Package Headers and Package Bodies are now included in the extracted
658 +    DDL (Firebird 3 and later only).
659 +
660 + 22. TIBLookupComboBox Autocomplete Fixes:
661 +    i. Only appended text is now selected after autocomplete.
662 +    ii. Uppercase keys no longer ignored for autocomplete.
663 +    iii. Retain Prefix case is now honoured correctly.
664 +    iv. When a DataSource is assigned, typing after autocomplete now extends prefix
665 +        before autocomplete performed. i.e. behaviour now the same as when
666 +        no DataSource assigned.
667 +
668 + 23. TIBXScript: Single Line Comments starting with '--' are now ignored when occurring
669 +    between SQL statements.
670 +
671 + 24. TIBExtract: New published property CaseSensitiveObjectNames. If false (default) then
672 +    ObjectNames are converted to upper case before matching against metadata object
673 +    names, unless the objectname is delimited by double quotes, in which case, the
674 +    double quotes are removed and the remaining string is used (unmodified) to match
675 +    against the metadata object name.
676 +
677 +    If true then the ObjectName is used as is without modification and matched
678 +    against the metadata object name. No attempt is made to remove double quotes.
679 +
680 + 25. TIBExtract: New Extract Types: etDatabaseTriggers and etDDLTriggers. When used
681 +    with eoTrigger, these extract types can be used to select only Database Triggers,
682 +    or DDL Triggers or both. Ignored when etTable or etTrigger included in Extract Types.
683 +
684 + 26. TIBXScript: If an exception occurs during the processing of a statement, the
685 +    statement separate character is now reset to the default (';').
686 +
687 + 27. TIBDatabase: Reconnect method added and used by TIBXScript for reconnect.
688 +
689 + 28. TIBXScript: Transaction is no longer automatically reactivated immediately processing
690 +    a commit or reconnect statement and instead activated only when next SQL statement
691 +    is executed.
692 +
693 + 29. TIBSQL.HasField should no longer generate and exception when the field does not exist.
694 +
695 + 30. TIBXScript: case insensitive regex now used when matching statements instead of
696 +    converting statement to upper case.
697 +
698 + 31. TIBExtract: metadata comments now supported. New published property
699 +    IncludeMetaDataComments (default true). If true then metadata comments included
700 +    in extracted DDL. New Extract Object member eoComments. This may be used with
701 +    ExtractObject method to list all metadata comments.
702 +
703 + 32. TIBExtract: ListObjectNames method added.
704 +
705 + 33. Updated Database component editor to support additional connection string
706 +    types.
707 +
708 + IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
709 +
710 + NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
711 + AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
712 + RELEASE.
713 +
714 + NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
715 +
716 + 1. IBExtract: Identity columns - add additional check for null column for generator name.
717 +
718 + 2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
719 +   The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
720 +   information). However, this is also a very useful mechanism for returning updated computed by
721 +   column values. Values returned as a result of executing an Insert or Update statement
722 +   replace existing values in the current row for each corresponding column.
723 +
724 +   Previously, if a dataset's select query included read only (computed by) fields then
725 +   an automatic row refresh was performed after an insert or update query had been processed,
726 +   irrespective of the setting of the "ForcedUpdates" property. This has changed such
727 +   that an automatic refresh is no longer performed if an insert or update query contains
728 +   a returning clause that updates one or more fields on the current row. A full row
729 +   refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
730 +   field values and the select query contains read only fields. Use of Insert/update
731 +   returning should be significantly more efficient than executing a refresh query.
732 +
733 +   This behaviour change is intended to be backwards compatible and there should be no need to change
734 +   existing programs, other than to improve performance by using the new capability.
735 +
736 + 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
737 +   they are called when the dataset row is being deleted, there is no value in
738 +   updating the current record from the query result. Instead, a new event handler
739 +   "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
740 +   an OnDeleteReturning event handler is provided then it is called with the IResults returned
741 +   by the query. The event handler can then interrogate the query results and
742 +   perform whatever action is necessary. For example to confirm, to the user,
743 +   the deletion of a row with the returned values.
744 +
745 + 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
746 +   any Computed By or Identity Columns. The IBTables example has been updated to
747 +   illustrate the computation of the employee Full Name on update.
748 +
749 + 5. TIBTable: The GeneratorField property is now published.
750 +
751 + 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
752 +   When InsertSQL is generated, the Identity columns are not included in the list of values to
753 +   be inserted. A RETURNING clause is added to the insert statement to return the value of
754 +   each Identity column after the insert is executed.
755 +
756 + 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
757 +   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
758 +   Insert..Returning clause.
759 +
760 + 8. TIBGenerator: small performance improvement by not preparing query each time
761 +   a new value is generated.
762 +
763 + 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
764 +
765 + 10. Property editors will now sync table name to a System Table when "Include System
766 +    Tables" is selected and the query is for a System Table.
767 +
768 + 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
769 +    values are no longer converted to milliseconds from TDateTime and then back again
770 +    to TDateTime (the conversion to milliseconds is the default TDataset approach).
771 +
772 + 12. Property Editors handling of Stored Procedures.
773 +    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
774 +      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
775 +      query).
776 +    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
777 +
778 + 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
779 +    can be used to select a package. If non-empty, the stored procedure name is
780 +    expected to be a stored procedure defined in the specified package and the
781 +    generated SQL will be as required for a stored procedure located in a package.
782 +
783 + 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
784 +    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
785 +    which a stored procedure can be selected. With no package name selected, non-package
786 +    stored procedures are listed.
787 +
788 + 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
789 +    for password on reconnect.
790 +
791 + 16. TIBDatabase: use IAttachment for connection default character set id, code page
792 +    and character set name.
793 +
794 + 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
795 +    DB info lookups"
796 +
797 + 18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
798 +
799 + 19. Add a property Editor for TIBUpdate.RefreshSQL.
800 +
801 + 20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
802 +    parameters. This stops an exception being raised when the field cannot be
803 +    located in the record buffer.
804 +
805 + 21. Property Editors now automatically include System Tables when opened and when the query table
806 +    is a System Table.
807 +
808 + 22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
809 +    This avoids errors due to a stale SQRB or SRB being used for the next query.
810 +
811 + 23. IBServices: Service attach parameters now include "expected_db". This is used to
812 +    add the SPB item isc_spb_expected_db. This names a database using
813 +    an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
814 +    database. examples/services re-written to illustrate use of "expected_db".
815 +
816 + 24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
817 +    This avoids truncated backups when the server returns a timeout (busy) response.
818 +
819 + 25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
820 +
821 + 26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
822 +    databasenames. These are respectively expanded to the local system's temp directory
823 +    (including trailing delimiter) or to a prescribed data directory (including
824 +    trailing delimiter). Under Unix systems the data directory is a hidden directory
825 +    in the user's home directory. The hidden directory name is either the string returned
826 +    from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
827 +    Under Windows, the directory is the same as the Data Directory as decribed
828 +    above but instead prefixed by the User's application data path. These may be
829 +    used to improve application portability for Personal Databases.
830 +
831 + 27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
832 +    this has not worked for a long time and is not useful either. FieldDefs should be
833 +    managed using the Fields Editor as with any other dataset. To access the fields
834 +    editor for a TIBTable component, double click on the component. The fields editor
835 +    is then displayed.
836 +
837 + 28. TIBDatabaseInfo: new properties/function
838 +     * DateDBCreated (returns date/time database created)
839 +     * TransactionCount (returns no. of active transactions)
840 +     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
841 +     * PagesFree (Firebird 3 or later)
842 +     * PagesUsed (Firebird 3 or later)
843 +     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
844 +     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
845 +
846 + 29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
847 +
848 + 30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
849 +
850 + 31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
851 +    the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
852 +
853 + 32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
854 +    in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
855 +    firing during backup and restore.
856 +
857 + 33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
858 +    for verbose output using the new property "StatisticsRequested".
859 +    see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
860 +
861 + 34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
862 +
863 + 35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
864 +    palette. This uses the online validation feature added in Firebird 2.5. The
865 +    services's properties enable inclusion/exclusion of tables and indexes using
866 +    regular expressions. See.
867 +    https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
868 +
869 + 36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
870 +    option on a database.
871 +
872 + 37. TIBCustomService: Assign method implemented to allow copying of service login
873 +    context between service API components. "Detach" method now only detaches
874 +    service when last reference to the service interface detaches. Tidy up of
875 +    code for SetActive and Attach methods including password hiding.
876 +
877 + 38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
878 +    and used to determine the auth method and protocol used for the connection.
879 +
880 + 39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
881 +    a Create Database Statement generated by IBX.
882 +
883 + 40. All IBServices now have an additional published property "PortNo". This may
884 +    be set to a non-standard port number when necessary. If zero then the default
885 +    port number is used.
886 +
887 + 41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
888 +    and not just the mouse.
889 +
890 + 42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
891 +
892 + 43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
893 +    image index and selected image index for each node to be set from a database field.
894 +
895 + 44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
896 +    then database schema includes grants to all users. If not present then the
897 +    only user grants included are those to User PUBLIC.
898 +
899 + 45. TIBTreeView: performance improvement. When expanding include both expanded node
900 +    and child nodes in dataset.
901 +
902 +
903 + IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
904 +
905 + 1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
906 +   changes.
907 +
908 + 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
909 +   Bug could result in truncated multi-byte character set values.
910 +
911 + 3. Changes consequential on moving fbintf character set utility functions from
912 +   IFirebirdAPI to IAttachment.
913 +
914 + 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
915 +
916 + 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
917 +   results in autocomplete ignoring prefix text.
918 +
919 + 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
920 +   entering a new name into the text box.
921 +
922 + 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
923 +   Firebird rather than recomputing it.
924 +
925 + 8. Property Editor positioning tidy up: All IBX Property editors should now be
926 +   screen centre. Previously some were "poDesigned" which may be inappropriate
927 +   for multi monitor desktops.
928 +
929 + 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
930 +
931 + 11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
932 +    a transaction and always reset the object.
933 +
934 + 12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
935 +
936 + 13. TIBXScript: Allow for override of database filename in Create Database statements.
937 +
938 + 14. IBLocaldb: Support initialisation of the database from an SQL script in addition
939 +    to a gbak format archive.
940 +
941 + 15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
942 +
943 + 16. IBLocaldb: Drop database if error creating an empty database.
944 +
945 + 17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
946 +    unless selected node not in current dataset.
947 +
948 + 18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
949 +    to TIBCustomService, and IBlocalDB code tidy up.
950 +
951 + 19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
952 +    behaviour due to uninitialised variable.
953 +
954 + 20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
955 +    integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
956 +
957 + 21. IBSQL: When Database changed ensure that all resources are freed.
958 +
959 + 22. IBCustomDataset: When database changed ensure that queries an unprepared.
960 +
961 + 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
962 +    * Line Wrap on SQL Token boundaries (on user command)
963 +    * auto-complete table names in drop down list of table names
964 +    * Double click on tablename or field name adds to SQL text
965 +
966 + 24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
967 +
968 + 25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
969 +    TVariantArray. Seems to avoid memory corruption in Windows (probably a
970 +    workaround for a problem in fpc 3.0.4 win64).
971 +
972 + 26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
973 +
974 + 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
975 +
976 + IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
977 +
978 + 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
979 +   include remote system name.
980 +
981 + 2. TIBExtract: No longer include comment header and COMMIT statement for empty
982 +   tables when data included in output.
983 +
984 + 3. Profiling: IBSQL now has conditional compilation flags to enable query performance
985 +   and timing information to be written to stdout. This may be used to locate
986 +   performance bottlenecks.
987 +
988 + 4. SQLParser: only call "OnChanging" event handler when value is different.
989 +
990 + 5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
991 +
992 + 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
993 +   that BindFields is called when the query is next activated. Avoids FieldName
994 +   not found error.
995 +
996 + 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
997 +   purpose and allows the programmer to define any action they want for Update, Insert
998 +   or Delete. This may be complex SQL (similar to a Trigger), application specific
999 +   filtering of updates, or use of statements such as Grant or Revoke instead of
1000 +   normal DML. See User Manual for more information.
1001 +
1002 + IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
1003 +
1004 + 1. TIBEvents: Fix uninitialised variable that could result in lost events.
1005 +
1006 + 2. TIBExtract: Added support for FB3 "USAGE" privilege.
1007 +
1008 + 3. TIBExtract: data formatted as Charset set "octets" is now output using
1009 +   hexadecimal notation.
1010 +
1011 + 4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
1012 +   using a simple XML format.
1013 +
1014 + 5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
1015 +   grants to these objects.
1016 +
1017 + 6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
1018 +   dependency problems restoring complex databases.
1019 +
1020 + 7. TIBXScript: This component has been restructured to allow for the processing of
1021 +   embedded XML in INSERT statements and to support interactive sources in addition
1022 +   to non-interactive data sources such as files.
1023 +
1024 + 8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
1025 +
1026 + 9. TIBXScript: ISQL compatiable Set statements are now supported:
1027 +   SET SQL DIALECT
1028 +   SET TERM
1029 +   SET AUTODDL
1030 +   SET BAIL
1031 +   SET ECHO
1032 +   SET COUNT
1033 +   SET STATS
1034 +   SET NAMES <character set>
1035 +
1036 + 10. IBVersion unit added to hold current IBX Version Number information.
1037 +
1038 + 11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
1039 +    and domain definitions.
1040 +
1041 + 12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
1042 +    fully supported.
1043 +
1044 + 13. TIBExtract: when a database dump includes data, the generator values are now also set.
1045 +
1046 + 14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
1047 +
1048 + IBX Change Log  version     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
1049 +
1050 + See also doc/IBX4LazarusGuide.pdf for important information on
1051 + upgrading to IBX2.
1052 +
1053 + 1. Size property of TIBStringField is now the width in characters of the field
1054 +   and not the byte length. This applies only to multi-byte character sets such
1055 +   as UTF8. The original approach aligned with TStringField. However, the TStringField
1056 +   code is not recognised as a bug and hence this change to align the behaviour.
1057 +   The TStringField change is expected in fpc 3.2.0.
1058 +
1059 + 2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
1060 +   true (default) then Size property value saved in the lfm is ignored. Size is
1061 +   always set from the dynamic information read from the database. It is unclear
1062 +   why anyone would want to override this and set Size to false.
1063 +
1064 + 3. ibxscript: should now handle correctly a Case..End statement within a procedure
1065 +   block.
1066 +
1067 + 4. IBDatabase: new property - CreateIfNotExists. If true and database does not
1068 +   exist when an attempt is made to connect to it (run time only) then an attempt
1069 +   is made to create the database.
1070 +
1071 + 5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
1072 +   has been successfully created as a result of a call to CreateDatabase or when
1073 +   creating a database after it was found not to exist.
1074 +
1075 + 6.  DBControlGrid: a race condition could result in the wrong row image being
1076 +    written to the cache. This has been avoided by a trip round the message
1077 +    loop before rendering the row image.
1078 +
1079 + 7.  DBControlGrid: It is strongly recommended not to open the source DataSet for
1080 +    a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
1081 +    known to risk corrupt rendering of row images when the control is first
1082 +    displayed. If necessary use "Application.QueueAsyncCall" to delay opening
1083 +    of the dataset (see DBControlGrid examples) until the Form's Window has been created.
1084 +
1085 + 8.  DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
1086 +    a TDateEdit control located on an editor panel.
1087 +
1088 + 9.  TIBExtract: brought up-to-date plus many bug fixes.
1089 +
1090 + 10. DBControlGrid: Removed memory leak when updating rows.
1091 +
1092 + 11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
1093 +
1094 + IBX Change Log  version                                           (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
1095 +
1096 + 1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
1097 +   when target codepage is CP_NONE. This is a workaround for
1098 +   http://bugs.freepascal.org/view.php?id=30622.
1099 +
1100 + 2. DBLog option removed from TIBStatisticalService - not supported by server
1101 +   since Firebird 1.5.
1102 +
1103 + 3. ibxscript: An error is no longer generated for "on commit preserve rows" or
1104 +   similar.
1105 +
1106 + 4. IBCodePage: updated mapping between codepages and character id.
1107 +
1108 + 5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
1109 +   Firebird. Character sets with a char width of two are not UTF16.
1110 +
1111 + 6. Strings received from the database are now always transliterated into UTF8
1112 +   regardless of the database character set or connection character set. This
1113 +   is for compatibility with the LCL.
1114 +
1115 + IBX Change Log  version  (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
1116 +
1117 + 1. IBBlob: Defer reading of blob until read method called. This avoids having to
1118 +   read in an entire blob just to get the size of the blob. General performance
1119 +   improvement when opening datasets containing blobs.
1120 +
1121 + 2. Clearing a  Blob now sets the corresponding field's modified flag.
1122 +
1123 + 3. IBLookupCombo: When not performing auto-complete, original query sort order
1124 +   is now used.
1125 +
1126 + 4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
1127 +   determined.
1128 +
1129 + 5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
1130 +
1131 + 6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
1132 +   lazarus 1.6.0
1133 +
1134 + 7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
1135 +   compilation error.
1136 +
1137 + IBX Change Log  version                                 (1.4-1) Tue, 17 May 2016 09:14:51 +0100
1138 +
1139 + 1. No character set specified for connection: when a text blob is retrieved, the
1140 +  character set is determined by looking up the native character set using then
1141 +  Firebird API. Otherwise a text mode blob is assumed to have the same character
1142 +  set as the connection.
1143 +
1144 + 2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
1145 +   for Login Dialog returing a change to the database path.
1146 +
1147 + 3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
1148 +   to be changed from that given in the TIBDatabase/TIBServer component and for the
1149 +   entered value to be saved on a project specific basis (design time only).
1150 +
1151 + 4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
1152 +   column fieldname. If they are the same then it is acts as a look up for the KeyValue
1153 +   Otherwise, it sets the column text to the selected ListField Value.
1154 +
1155 + 5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
1156 +   column width.
1157 +
1158 + 6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
1159 +   and a case insensitive search is requested.
1160 +
1161 + 7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
1162 +   or column ListSource.
1163 +
1164 + 8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
1165 +   unprepare) when closing and the text has not changed.
1166 +
1167 + 9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
1168 +   Less likely to cause a cursor re-use error on Windows.
1169 +
1170 + 10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
1171 +   Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
1172 +
1173 + 11. TIBTreeView: Guard against nil destination on record changed
1174 +
1175 + 12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
1176 +    string type with the code page set to reflect the returned field encoding after
1177 +    Firebird driver transliteration, if any.  FPC 3.0.0 onwards only. Behaviour unchanged for
1178 +    earlier versions.
1179 +
1180 + 13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
1181 +    will now result in transliteration to the code page specified for the Firebird driver
1182 +    if the assigned string has a different code page. FPC 3.0.0 onwards only.
1183 +
1184 + 14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
1185 +    is ignored and the lc_ctype value, when the database is opened, is set to align with
1186 +    the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
1187 +    platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
1188 +    3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
1189 +    the GETACP is used to determine the Windows code page.
1190 +
1191 + 15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
1192 +    name used as the lc_ctype when the database was opened. Only valid while the
1193 +    Database is connected.
1194 +
1195 + 16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
1196 +    id that corresponds to the DefaultCharSetName.
1197 +
1198 + IBX Change Log  version                          (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
1199 +
1200 + 1. Unix: If Firebird Embedded Server shared object is loaded and a local database
1201 +   path is given and database attach fails due to access permission issues on the
1202 +   temp directory or security database, then the attach is retried with "localhost:"
1203 +   prefixing the databasename. This should avoid problems when the database has to
1204 +   be accessed by a local (e.g. classic) server and libfbembed is used.
1205 +
1206 + 2. Windows: revised search order for Firebird DLL:
1207 +     i.   The Firebird Embedded Server in the application Directory.
1208 +     ii.  If the FIREBIRD environment variable is set then the directory this
1209 +          points to is searched for the FB Client DLL and then then underlying
1210 +          "bin" directory.
1211 +     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
1212 +          is used to locate the Firebird installation directory and the underlying
1213 +          "bin" directory is searched for the FB Client DLL.
1214 +     iv.  The Default installation directories C:\Program Files\Firebird\Firebird_2_x
1215 +          are searched for the FB Client DLL.
1216 +     v.   The PATH Environment variable is used to search for the FB Client DLL.
1217 +     vi.  Finally the  PATH Environment variable is used to search for IBASE.DLL.
1218 +
1219 + 3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
1220 +   See doc/readme.scriptengine and example applications.
1221 +
1222 + 4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
1223 +   simplify the use of the embedded firebird server on both Linux and Windows platforms.
1224 +   See dpc/readme.localdatabase and example applications.
1225 +
1226 + 5. IBDynamicGrid: Reordering on column header click should now also work for
1227 +   dynamic columns.
1228 +
1229 + 6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
1230 +   between incrementing/decrementing the lock count and signalling the event.
1231 +
1232 + IBX Change Log  version           (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
1233 +
1234 + 1.3.2 was never formally released and only made available as beta copies.
1235 +
1236 + 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
1237 +
1238 + 2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
1239 +
1240 + 3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
1241 +
1242 + 4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
1243 +   i.e. when it is a calculated field
1244 +
1245 + 5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
1246 +   This problem was due to a race condition between recalculating row heights and
1247 +   determining which row was selected by the mouse click. The row height calculation
1248 +   is now deferred by an extra trip round the message loop allowing the row to
1249 +   be always calculated on the current grid layout rather than risking it being
1250 +   calculated on the grid layout after the expanded row has been shrunk.
1251 +
1252 + 6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
1253 +   Windows.
1254 +
1255 + 7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
1256 +   These properties allow the (Firebird) character set name for the field and the max number of bytes per character
1257 +   to be determined at runtime. See doc/readme.charactersets.html.
1258 +
1259 + 8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
1260 +   TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
1261 +
1262 + 9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
1263 +   TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
1264 +   1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
1265 +
1266 +   Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
1267 +   from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
1268 +   implies no truncation.
1269 +
1270 + 10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
1271 +
1272 + 11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
1273 +   (avoids "Not in Edit Mode" error).
1274 +
1275 + 12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
1276 +
1277 + 13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
1278 +    DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
1279 +
1280 + 14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
1281 +
1282 + 15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
1283 +
1284 + 16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
1285 +
1286 + 17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
1287 +
1288   IBX Change Log  version        (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
1289  
1290   1.   OnCloseUp Event Handler added to TDBLookupProperties

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