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Revision 141 by tony, Thu Jan 25 14:18:12 2018 UTC vs.
Revision 431 by tony, Thu Jan 4 15:13:25 2024 UTC

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1	<	IBX Change Log  version                                              (2.2-0) Thu, 25 Jan 2018 13:56:39 +0000
1	>	IBX Change Log  version (2.6-4 Build 14172) Thu, 04 Jan 2024 11:55:41 +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	>	4. TIBCustomDataset.PrimaryKeys when used in InternalRefresh. when more than one
13	>	primary key is used by the dataset then the list of primary keys is now
14	>	properly separated by a ';'.
15	>
16	>	5. When refresh is called for a dataset without any primary keys (e.g. views and
17	>	stored procedures), the internal record number is now used to restore the cursor
18	>	following the refresh. However, it should be noted that cannot be 100% reliable.
19	>	The internal record number simply reflects the record fetch order and this can
20	>	change between successive queries if records are inserted or deleted by the
21	>	current or another user (if the read_committed transaction isolation level is used).
22	>
23	>	6. Inserting a record at the start of a grid and then resizing the grid should
24	>	no longer result in an apparent duplication of records in the grid. Note: this
25	>	was due to TDataset.SetCurrentRecord ignoring the bookmark flag (bfInserted). IBX
26	>	works around this by no longer using this bookmark flag value.
27	>
28	>	7. Inserting a record into an empty grid and then resizing the grid should
29	>	no longer result in an apparent duplication of records in the grid.
30	>
31	>	IBX Change Log  version (2.6-3 Build 14080) Sat, 21 Oct 2023 14:14:22 +0100
32	>
33	>	1. Update to calls to EInterbaseError to add default code page. Consequential
34	>	on change to fbintf.
35	>
36	>	2. Update some examples to replace test for null date with the NullDate constant
37	>	instead of zero. This is because Laz 3.0 changes the value of NullDate.
38	>
39	>	IBX Change Log  version (2.6-2 Build 14016) Sat, 05 Aug 2023 11:54:55 +0100
40	>
41	>	1. Fixed repeated "type" keyword in IBBufferCursors. This may cause a compile error
42	>	with later versions of fpc - later than 3.2.2.
43	>
44	>	2. IBUpdateSQL. update internal queries if parent dataset database changed.
45	>
46	>	3. IBUpdateSQL: Do not prepare an empty internal query.
47	>
48	>	4. IBBufferedCursors: avoid range error when max field no. is > fields.count
49	>
50	>	5. IBBufferedCursors: avoid End of File error if refresh query returns and empty row count
51	>
52	>	IBX Change Log  version (2.6-1 Build 13985) Mon, 17 Jul 2023 14:16:41 +0100
53	>
54	>	1. Maintenance update of 2.6.0. This version is still at beta.
55	>
56	>	2. Reverse out changes to DrawCellText signature in IBArrayGrid and IBDynamic Grid.
57	>	See https://gitlab.com/freepascal.org/lazarus/lazarus/-/commit/53aaae9c5e2a5edac5b1d2f70739a8ef7b0a9623
58	>
59	>	3. ibxscript: When parsing a store procedure or function with a variable name
60	>	enclosed in doublequotes, the double quotes are no longer removed.
61	>
62	>	IBX Change Log  version (2.6-0 Build 13976) Thu, 22 Jun 2023 13:49:22 +0100
63	>
64	>	NOTE: THIS VERSION RE-WRITES THE INTERNAL BUFFER MANAGER AND SHOULD BE CONSIDERED
65	>	AS BETA SOFTWARE. EVEN THOUGH IT HAS PASSED ALL REGRESSION TESTS, IT CANNOT
66	>	BE ASSUMED TO BE PRODUCTION READY UNTIL WIDER USE. PLEASE REPORT ANY
67	>	ISSUES TO support@mwasoftware.co.uk
68	>
69	>	1. Complete rewrite of internal buffer management in order to improve performance
70	>	and maintainability. Highlights:
71	>
72	>	* Extending the size of the buffer pool no longer has to copy the entire record
73	>	cache. Instead, a new extent is simply added to the buffer pool.
74	>	* A memory to memory copy of each display buffer now is avoided when scolling the
75	>	dataset.
76	>	* A separate set of buffers is now used for calculated fields. This avoids
77	>	having to keep copies of calculated field values in the buffer cache.
78	>	* Compact bitmaps are used to record null status and need to refresh in each
79	>	buffer.
80	>	* Display buffer type changed from PChar to TRecordBuffer in line with change of
81	>	buffer type in FCL-DB.
82	>
83	>	2. TIBUpdateSQL: changes to SQL text will close linked dataset if open. This is
84	>	to ensure same behaviour as TIBDataset, TIBTable and TIBStoredProcedure.
85	>
86	>	3. TField Provider Flags: pfRefreshOnInsert and pfRefreshOnUpdate are now supported.
87	>	If either or both of these flags are set at design time (using the fields editor)
88	>	then this forces a row refresh on respectively insert or update, or both, when the
89	>	corresponding field is not present in an SQL RETURNING clause.
90	>
91	>	4. TIBCustomDataset.FieldDefsFromQuery moved to a helper class (TFieldDefsMaker) in order to improve
92	>	maintainability and readability and to add identification of primary key fields.
93	>
94	>	5. TIBQuery, TIBDataset and TIBTable. Traditionally, IBX has implemented the Refresh method
95	>	as a refresh of the current row. However, this is different behaviour to that described
96	>	in the FPC documentation for TDataset.Refresh which is described as "refetches the data in
97	>	the dataset from the underlying database, and attempts to reposition the cursor on
98	>	the same record as it was". IBX now complies with the FPC definition of Refresh.
99	>
100	>	6. A progammatic Row Refresh should no longer be required.
101	>	Use Insert/Update... returning to refresh any fields that may change following an
102	>	insert or update i.e. Identify fields on Insert only, Computed By, Blob and array fields
103	>	on both. If there are any other fields (e.g. updated by triggers) set the appropriate ProviderFlag
104	>	for the field at Design Time to force a row refresh if not in the returning clause.
105	>
106	>	7. It should now be possible to insert a row into an empty unidirectional dataset.
107	>
108	>	8. New TIBQuery, TIBDataSet and TIBTable property: BufferChunksInFirstBlock (default 50).
109	>	This gives the number of buffers in the initial block for the buffer pool in
110	>	bi-directional datasets. BufferChunks (default 1000) gives the number of buffers
111	>	in subsequent buffer pool blocks. This avoids large and mostly unused memory allocations
112	>	for small datasets.
113	>
114	>	IBX Change Log  version (2.5-1 Build 13927) Tue, 6 Dec 2022 23:13:00 +0000
115	>
116	>	1. IBCustomDataset: avoid problem with additions to TFieldType by using a subset instead.
117	>
118	>	2. TIBDynamicGrid: change DrawCellText declaration to comply with laz 2.3.0
119	>
120	>	3. TIBArrayGrid: change DrawCellText declaration to comply with laz 2.3.0
121	>
122	>	IBX Change Log  version (2.5-0 Build 13868) Fri, 29 Jul 2022 09:52:01 +0100
123	>
124	>	1. TIBTransaction: new properties
125	>	property TransactionID: integer read GetTransactionID;
126	>	property IsReadOnly: boolean read GetIsReadOnly;
127	>	{published}
128	>	property TransactionName: string read FTransactionName write SetTransactionName;
129	>
130	>	2. IBCustomDataset: per row blob and array buffer cached clear before processing
131	>	Insert or Update...Returning. This allows blobs and arrays to be returned
132	>	by the statement.
133	>
134	>	3. TSQLXMLReader moved from IBXScript to package fbintf unit IBUtils.
135	>
136	>	4. TransactionName initialised to a newly generated GUID if empty.
137	>
138	>	5. New unit: IBJournal. This provides the TIBJournal component which is a wrapper
139	>	for the fbintf package's journaling capability. TIBJournal is used to set the
140	>	file path and filename for the journal file and to Enabled (start journaling) and
141	>	disable (stop journaling). See fbintf/doc/README.ClientSideJournaling.pdf for
142	>	more information, and comments in IBJournal.pas.
143	>
144	>	6. TIBDatabase.InternalTransaction is now a read only transaction.
145	>
146	>	7. Bug fix: blob id no longer set to null on update when blob has not been
147	>	retrieved.
148	>
149	>	8. Row auto refreshed on update/insert if blob or array field updated and field
150	>	not in a returning clause.
151	>
152	>	9. ColumnCount moved from record buffer header to a single per dataset count. Reduces
153	>	buffer overhead and avoids problem when refresh query has a different column
154	>	count to select query i.e. incorrectly changing number of columns.
155	>
156	>	10. IBExtract: support added for UDR Functions, Procedure and Trigger declarations.
157	>
158	>	11. TIBDatabaseInfo. New property FirebirdVersion. This returns the current Firebird version
159	>	string. Note that the Version property returns an InterBase compatible version string.
160	>
161	>	12. IBExtract: ensure sql identifiers returned as a LIST are always quoted.
162	>
163	>	IBX Change Log  version (2.5-0 Build 12933) Mon, 29 Nov 2021 14:59:54 +0000
164	>
165	>	1. IBCustomDataset: Modify TISQL component now defaults to GoToFirstRecordOnExecute := true.
166	>	This is for compatibility with Firebird 5 where Update...Returning can return
167	>	a cursor.
168	>
169	>	IBX Change Log  version (2.4-3 Build 12886) Sat, 23 Oct 2021 14:58:30 +0100
170	>
171	>	1. Add try-..except check when initially loading library in IDE. This should
172	>	ensure that IDE continues to load even when a failure occurs in IBX load
173	>	library.
174	>
175	>	2. IBXScript: now recognises a CASE...END block within a stored procedure and
176	>	hence will correctly detect end of the outer containing block when the block
177	>	contains a SELECT ... CASE ... END construct.
178	>
179	>	3. IBExtract: some further tidying up to remove extraneous white space.
180	>
181	>	4. IBCustomDataSet: DefaultFieldClasses array declaration updated to avoid compile time
182	>	errors when extra elements are added to DB.TFieldType.
183	>
184	>	5. IBUpdate: updated to reflect changes to ISQLParam.
185	>
186	>	6. IBXScript: now correctly parses a DECLARE statement which includes a quoted string.
187	>
188	>	7. IBExtract: for ODS >=13, increment generator value by one for ALTER SEQUENCE statement.
189	>
190	>	8. IBSQL: Support for scrollable cursors added (note: local databases only)
191	>
192	>	IBX Change Log  version (2.4-2 Build 12773) Mon, 23 Aug 2021 11:59:42 +0100
193	>
194	>	1. TIBDatabaseInfo: review and tidy-up of property types. Most widen to int64 with the
195	>	exception of those defined to be one byte wide e.g. DBImplementationNo.
196	>
197	>	2. TIBSQL: Batch Update/Insert support added.
198	>
199	>	3. TIBStoredProc: when generating the SQL, the value of the StoredProcName property
200	>	is no longer automatically converted to upper case when it is syntactically a
201	>	SQL Identifier. This is to support the use of stored procedures defined e.g.
202	>	as CREATE PROCEDURE "iCASE".
203	>
204	>	There could be a backwards compatibility issue when the StoredProcName was entered
205	>	manually at design time. That is not selected from the drop down list. If the
206	>	StoredProcName is entered in mixed case and the procedure was declared e.g. as
207	>	CREATE PROCEDURE iCASE, then the SQL generation will be incorrect. You should
208	>	ensure that the value of the StoredProcName is all upper case, unless it was
209	>	declared under dialect 3 and explicitly as mixed case (i.e. delimited by double
210	>	quotes).
211	>
212	>	Note that when a stored procedure name was declared delimited in double quotes,
213	>	as in the first example above, the value of the StoredProcName property must not
214	>	include the delimiters (double quotes).
215	>
216	>	4. IBXUpgradeConfFile: an exception is now raised if a patch file specified in
217	>	upgrade.conf was not found. This replaces silently ignoring the problem.
218	>
219	>	5. TIBLocalDBSupport: new property "SectionHeaderTemplate". This defaults to
220	>	'Version.%.3d' and is used to generate the section header names (for a given
221	>	version no.) in the upgrade.conf file.
222	>
223	>	IBX Change Log  version (2.4-1 Build 12550) Wed, 23 Jun 2021 13:59:14 +0100
224	>
225	>	1. -c command line option added to fbsql example program. Used to set connection
226	>	character set.
227	>
228	>	IBX Change Log  version (2.4-0 Build 12543) Mon, 22 Feb 2021 11:00:08 +0000
229	>
230	>	1. Firebird 4 support added.
231	>
232	>	2. New FB4 data types TIME WITH TIME ZONE, TIMESTAMP WITH TIME ZONE, DECFLOAT and
233	>	extended precision NUMERIC fields are supported.
234	>
235	>	3. TFmtBCDField is used to support access to DECFLOAT and extended precision NUMERIC fields.
236	>
237	>	4. TIBDateTimeField and TIBTimeField are introduced in support of TIMESTAMP WITH TIME ZONE
238	>	and TIME WITH TIME ZONE fields. These inherit from TDateTimeField.
239	>
240	>	5. IBExtract now supports FB4 enhancements:
241	>	- new data types as above
242	>	- Identity column extensions
243	>	- Default user role
244	>	- SQL Security clause for Database, Tables, Procedures, Functions and Triggers
245	>	- Internal Functions
246	>
247	>	6. IBExtract: new event: OnExtractLines.
248	>
249	>	7. IBExtract: revert create trigger to legacy syntax see Firebird CORE-6243, CORE-5545 and DOC-145
250	>
251	>	8. IBXServices: Server version no. parsing now allows any letter before major version number
252	>	and is no longer restricted to 'V' e.g. "LI-T4.0.0.1436 Firebird 4.0 Beta 1"
253	>
254	>	9. TIBDataSet and TIBQuery: new property TZTextOption. Used to determine the default
255	>	format for rendering a time zone.
256	>
257	>	10. TIBDataSet and TIBQuery: new property DefaultTZDate. Used to provide the default date
258	>	to convert TIME WITH TIME ZONE data type values to and from GMT.
259	>
260	>	11. Unit name IBTypes changed to IBInternals. Internal interfaces TIBGUIInterface and TIBTimerInf renamed to
261	>	IIBGUIInterface and IIBTimerInf respectively.
262	>
263	>	12. Constants: DPBPrefix and TPBPrefix moved to IB unit. DPBConstantNames and TPBConstantNames
264	>	now accessible as properties of TIBDatabase and TIBTransaction respectively.
265	>
266	>	13. String Fields: when a fixed character with (CHAR) field is returned, it is now
267	>	truncated to its fixed character width rather than being right padded with
268	>	white space to the maximum data size.
269	>
270	>	14. TIBTable.Empty table. In additional to deleting all records in the underlying
271	>	table, the internal buffers are now also flushed ensuring that the TIBTable is
272	>	also empty.
273	>
274	>	15. TBatchSQLStatementReader: Line buffer is now cleared on call to reset.
275	>
276	>	16. TIBXControlService descendents: DatabaseName may now be set using a database
277	>	connect string. The database name is extracted from the connect string.
278	>
279	>	17. DBControlGrid: Minor bug fixes. avoid AV on form closure, avoid black panel
280	>
281	>	18. TIBExtract: Data type of COMPUTED By columns is no longer included in SQL.
282	>
283	>	19. Local database on Linux and with legacy API and FB 2.5 embedded server: fixed problem with password
284	>	not being present as required.
285	>
286	>	20. IBTreeView split into DBTreeView and IBTreeView. This former is an IBX indepedent
287	>	version that can be customised to work with other database drivers.
288	>
289	>	21. ISQLMonitor: use platform specific LineEnding to delimit messages. Avoids
290	>	unnecessary CR at end of line on Unix platforms.
291	>
292	>	22. ISQLMonitor: Unix: Default semaphore timeout increased from 1 second to 10
293	>	seconds in order to reduce risk of message loss.
294	>
295	>	23. ISQLMonitor: read and write count statistics now available via:
296	>	property TIBSQLMonitor.ReadCount;
297	>	IIBSQLMonitorHook.GetWriteCount: integer;
298	>
299	>	24. ISQLMonitor tidy up and unit split. IPC functions moved to new unit IBIPC.
300	>
301	>	IBX Change Log  version (2.3-5 Build 12350) Tue, 25 Aug 2020 16:11:02 +0100
302	>
303	>	1.  TIBStringField: when a string value is read from a dataset buffer, if the
304	>	number of UTF8 characters exceeds the string size then string is truncated
305	>	to the maximum string size. This is  usually a problem with fixed width columns
306	>	right padded with white space.
307	>
308	>	2.  SQLFiltered and SQLFilterParams added to TIBQuery, TIBTable and TIBDataset.
309	>	If SQLFiltered is set then when a dataset is opened, each line in the
310	>	SQLFilterParams property is assumed to be a SQL condition clause and
311	>	ANDed into the Where clause of the SQL Select statement provided as a
312	>	dataset property. Each such SQL condition thus acts as an additional filter
313	>	on the dataset.
314	>
315	>	3.  The Filtered property inherited from TDataset is no longer used for SQL (server
316	>	side filters).
317	>
318	>	4. IBLookupComboEditBox: Selection should no longer reset to start of text when
319	>	text matches complete entry.
320	>
321	>	5. TIBDataLink: Detail Dataset params not refreshed unless both master and detail
322	>	dataset are active (avoids risk of access violation if master is inactive)
323	>
324	>	6. TIBEvents: Registered property can now be set at design time even if database not open
325	>
326	>	7. TIBEvents: component now correctly re-initialised after call to UnregisterEvents.
327	>	This should prevent "spillover" of events between sessions.
328	>
329	>	8. TIBCustomDataset: GetNextRecord now called when reseting to first record of a unidirectional dataset.
330	>	This should ensure that the internal buffer is set up correctly and avoids
331	>	a duplicate initial row.
332	>
333	>	9. TIBStringField: DataSize now given as byte size of string less trailing any zero character.
334	>	That is, the DataSize should be the field size * character set width. The
335	>	value returned by DataSize is now the same as the Dataset buffer size reserved
336	>	for the field.
337	>
338	>	10. IBExtract: Tidyup of SQL generation. Avoid unnecessary double quotes.
339	>
340	>	11. TIBCustomDataset: Add checks on buffer sizes when copying data from row to field buffer
341	>	and vice-versa. This may result in an exception being raised (correctly) for
342	>	older programs when using dataset fields added to a form and the database has been
343	>	upgraded. For example, computed fields can change from 32-bit to 64-bit integers.
344	>	In such cases, the field needs to be deleted in the IDE fields editor and then
345	>	added back in.
346	>
347	>	12. IBCustomDataSet: CanInsert, CanEdit, CanDelete and CanRefresh updated to return
348	>	false if query contains only white space and not just empty.
349	>
350	>	12. IBCustomDataset: Blob data is now cleared when TDataSet.Cancel is called. This
351	>	should ensure that (e.g.) a TDBMemo is correctly refreshed after a dataset edit
352	>	is cancelled.
353	>
354	>	13. IBCustomDataset: SetArrayIntf should no longer cause an access violation if
355	>	called on a null field.
356	>
357	>	14. IBCustomDataSet: An access violation should no longer occur when calling CancelUpdates
358	>	results in an empty dataTC86                Client side Filtered Dataset    1       X
359	>	set.
360	>
361	>	15. IBCustomDataSet: OnUpdateError should now be called in all circumstances when
362	>	a cached update is applied and an exception is raised.
363	>
364	>	16. IBCustomDataSet: Avoid access violation when SetBookmarkData called with nil pointer.
365	>
366	>	17. Console Mode Local Database support: backup/restore should now work correctly.
367	>
368	>	18. Local Database Support: if an upgrade fails, a downgrade is now performed if
369	>	possible and an exception raised.
370	>
371	>	19. MinimumVersionNo added to Local Database Support. Database will not open if
372	>	below this version no. and upgrade not possible.
373	>
374	>	IBX Change Log  version (2.3-4 Build 12041) Fri, 17 Apr 2020 14:00:32 +0100
375	>
376	>	1.  TIBXDataSet and Generators: Generator Names that are not all upper case or
377	>	not SQL Identifiers are now supported.
378	>
379	>	2.  TIBXScript: Set Generator is no longer rejected as unrecognised SQL and is
380	>	passed to the Firebird engine for execution.
381	>
382	>	3.  TIBDataSet: Unidirectional datasets now give an error message if an attempt
383	>	is made to scroll back.
384	>
385	>	4.  New unit: IBMessages.pas. Contains only messages used by IBX and not FBIntf
386	>
387	>	5. TIBLookupComboEditBox: When generating auto-complete SQL, the ListField is now
388	>	only enclosed in double quotes in SQL dialect 3 and when it needs to be.
389	>
390	>	6. TIBLookupComboEditBox: when the list source opens, the ListField name is now
391	>	validated. If no match is found in the list of field names and the database has
392	>	been opened in SQL Dialect 3, then the ListField Name is converted to upper case
393	>	if it then matches a field name. Otherwise, a Listfield not valid exception occurs.
394	>
395	>	7. IBGeneratoreditor.pas: Add missing parenthesis around "IS" statement for compliance
396	>	with fpc 3.2.
397	>
398	>	IBX Change Log  version (2.3-3 Build 11512) Fri, 28 Dec 2018 10:04:17 +0000
399	>
400	>
401	>	1. New property for TIBDatabase and TIBXServicesConnection. This is "ConfigOverrides"
402	>	and is used to override the default settings in the client side "firebird.conf" This
403	>	includes "WireCompression" and "WireCrypt". The value of this property is a "TStrings".
404	>	Each line of the string list should be a setting in the same format as "firebird.conf".
405	>	For example "WireCompression = true" in order to request wire compression on the client side.
406	>
407	>	Note: explicit settings in the client side "firebird.conf" appear to take precedence
408	>	over settings given in TIBDatabase and TIBXServicesConnection. Many client side settings
409	>	also require a compatible setting in the server side "firebird.conf". For example
410	>	"WireCompression = true" must also be set in the server's "firebird.conf" for wire
411	>	compression to be used.
412	>
413	>	Whether or not WireCompression or WireCrypt are in use can be checked using the information
414	>	returned with the Client/Server protocol version. See ibx/examples/dbadmin and
415	>	ibx/examples/dbinfo for examples of how to display this information.
416	>
417	>	2. New property for TIBDatabase and TIBXServicesConnection: "WireCompression". This
418	>	is a "convenience" property. If set the "WireCompression=true" is added to the
419	>	ConfigOverrides. If unchecked then this setting is removed.
420	>
421	>	3. TIBExtract: 64-bit integer types are now correctly extracted as "BIGINT" and
422	>	not "INT64".
423	>
424	>	4. New published properties for TIBCSVDataOut, TIBInsertStmtsOut and TIBBlockFormatOut
425	>	These are:
426	>	property TimestampFormat: string;
427	>	property DateFormat: string;
428	>	property TimeFormat: string;
429	>
430	>	Respectively, these provide the date time format templates for SQL types: TIMESTAMP,
431	>	DATETIME and TIME. The format strings use the standard FPC date/time format
432	>	characters (see https://www.freepascal.org/docs-html/rtl/sysutils/formatchars.html).
433	>
434	>	If any of the above properties are set to an empty string, then the locale default
435	>	is used. This uses the ShortDateFormat and the LongTimeFormat. In timestamp, the
436	>	locale default is extended by appending '.zzz' to include milliseconds.
437	>
438	>	TIBCSVDataOut by default sets these properties to the empty string, while the other
439	>	two use: 'yyyy.mm.dd hh:nn:ss.zzz', 'yyyy.mm.dd' and 'hh:nn:ss.zzz' respectively.
440	>
441	>	5. New published property for TIBCSVDataOut:
442	>	property QuoteStrings: boolean (default true)
443	>
444	>	If false then strings are unquoted, otherwise, the QuoteChar property value is
445	>	used to delimit each and every string in the output.
446	>
447	>	6. New published properties for TIBCSVDataOut:
448	>	property FieldSeparator: string;
449	>	property HeaderSeparator: string;
450	>
451	>	Respectively, these provide the separator character(s) used to separate fields
452	>	in data and header rows. Both default to ','.
453	>
454	>	7. New published properties for TIBCSVDataOut and TIBBlockFormatOut:
455	>	TOnFormatTextString = procedure(sender: TObject; var TextString: string) of object;
456	>	property OnFormatTextString;
457	>
458	>	This event handler can be used to process text strings before they are included
459	>	in the output e.g. to replace unprintable characters with alternative strings.
460	>	This only applies to columns with an SQL Type of SQL_VARYING and SQL_TEXT.
461	>
462	>	8. TIBDataSet now raises an exception when ParamByName called with an invalid parameter name.
463	>	Uses "FindParam" if in order to find out if a parameter with a given name exists
464	>	and without raising and exception if it does not.
465	>
466	>	9. TIBQuery now uses IBX SQL Parser instead of the TParams SQL parser in order to ensure
467	>	consistency with SQL queries.
468	>
469	>	10. CaseSensitiveParameterNames property added to TIBSQL, TIBDataSet and TIBQuery.
470	>	When true, SQL statement parameter names are parsed case sensitive. Note for
471	>	TIBDataSet only applies to Select query.
472	>
473	>	11. IBEvents: removing a TIBEvent component from a form should no longer result in
474	>	an IDE exception.
475	>
476	>	12. LocalDBSupport: initial database creation should now work correctly
477	>	when the schema source is an sql file.
478	>
479	>	13. TIBCMLocalDBSupport: new event handler "property OnProgressEvent: TOnProgressEvent"
480	>	when defined, this handler will be called by the internal TIBXScript during
481	>	initial database creation when the schema source is an sql file and may be used
482	>	to provide a visual indication of progress in console mode.
483	>
484	>	14. TCustomIBLocalDBSupport: new public property "InOnCreateDB: boolean". This is set
485	>	to true while a new local database is being created and its schema populated.
486	>	Useful in (e.g.) TIBDatabase.OnAfterConnect handler to suppress actions
487	>	when the database is disconnected/connected during the create DB procedure.
488	>
489	>	15. TIBXScript: any User/password parameters found in a CREATE DATABASE statement
490	>	are now always ignored and replaced by the user name and password provided as
491	>	the login parameters for the TIBDatabase referenced from the TIBXScript. The
492	>	IgnoreCreateDatabase property still applies and the CREATE DATABASE statement is
493	>	completely ignored if this property is true.
494	>
495	>	16. Code tidyup in IBTreeView: Node properties initialisation moved from TIBTreeView.AddNodes
496	>	to TIBTreeView.Added. An OnAddition event handler is no longer needed to initialise
497	>	ImageIndex and SelectImageIndex values on AddNode.
498	>
499	>	17. TIBDatabase.Attachment and TIBXServicesConnection.ServicesIntf properties are now
500	>	read/write. This should enabled (e.g.) multiple instances of TIBDatabase to share
501	>	the same database connection.
502	>
503	>	18. TIBDataSet and TIBQuery now support the TDataSet "Filter" property.
504	>	if provided, this should be an conditional SQL expression suitable for
505	>	including in an SQL Select statement "where" clause. If non-empty and the
506	>	"Filtered" property is true then the SQL expression provided as the value of
507	>	the "Filter" property is "ANDed" with any existing condition statement
508	>	in the SQL statement's "Where" clause.
509	>
510	>	If the "Filter" property is set at run time, the "Filtered" property is true
511	>	and the dataset is already open, then the dataset is closed and re-opened automatically.
512	>
513	>	The "Filter" condition may include IBX style parameters. In which case, their
514	>	value must be set by the dataset's "OnBeforeOpen" event handler.
515	>
516	>	This is a public property for TIBDataSet and TIBQuery query and intended for
517	>	use at run time.
518	>
519	>	Note: The property is a published property of TIBTable. The TIBTable functionality
520	>	is unaffected by this change.
521	>
522	>	IBX Change Log  version (2.3-2) Wed, 05 Dec 2018 12:19:23 +0000
523	>
524	>	1. Remove need to check for IsMultiThread by providing access to GUI timers via
525	>	IBGUIInterface. Note: master/detail delay timer does not apply to console
526	>	mode apps.
527	>
528	>	2. TIBCustomDataSet: SQLParser ignored if it does not contain a valid select
529	>	statement. This avoids problems if "Execute Block" is used as the Query.
530	>
531	>	3. IBSQLParser now uses the common SQL tokeniser from fbintf. This replaces the
532	>	internal SQL tokeniser routines.
533	>
534	>	4. IBSQLParser: new property NotaSelectStmt. Set to true if SQL fails to parse
535	>	as a select statement, with or without CTEs.
536	>
537	>	5. IBSQLParser: parser now recognises the "ROWS" clause.
538	>
539	>	6. TIBXScript now uses the common SQL tokeniser from fbintf. This replaces the
540	>	internal SQL tokeniser routines.
541	>
542	>	7.  Fix error in TIBXScript processing of "set" statements. This avoids exceptions
543	>	being raised for valid set statements processed by a data formatter.
544	>
545	>	8. New published property for TIBDatabase and TIBXServicesConnection. This is
546	>	FirebirdLibraryPathName: string. If not empty it is used to explicitly specify
547	>	the path of the Firebird Library used by the database/services connection.
548	>
549	>	9. New read only public property for TIBDatabase and TIBXServicesConnection. This
550	>	is FirebirdAPI and returns the IFirebirdAPI interface used by the database/
551	>	services connection.
552	>
553	>	10.SQL Property editors now quote parameter names if "Quote identifier" is selected
554	>	or param name is not a valid SQL identifier.
555	>
556	>	11. IBLookupComboEditBox: In Lazarus 2.0, TDBLookupComboBox takes a more restrictive
557	>	view of whether the text box should be editable when no DataSource is specified.
558	>	TIBLookupComboEditBox has been updated to workaround this problem. As long as
559	>	ReadOnly is false, the text box is editable when no DataSource is specified.
560	>
561	>	12. AllowUseOfFBLIB is now set to "true" at design time. This is to allow use of
562	>	the FBLIB environment variable. If you do not want to permit this then you
563	>	must modify the Register procedure in the design/IBDBReg.pas unit to remove
564	>	this setting.
565	>
566	>	IBX Change Log  version                 (2.3-1) Thu, 25 Oct 2018 14:39:45 +0100
567	>
568	>	1. IBCustomDataset: replace deprecated function ValidUTF8String with call to
569	>	Utf8EscapeControlChars
570	>
571	>	IBX Change Log  version                (2.3-0) Mon, 16 Apr 2018 09:48:06 +0100
572	>
573	>	IMPORTANT: the source code tree has been re-organised for IBX 2.3. Please remove
574	>	all previous copies of the IBX source code tree before installing this release.
575	>
576	>	The IBX packages used by most users have not changed, with one exception. The
577	>	IBServices unit has been moved to the package iblegacyServices.lpk. To continue
578	>	to use the IBServices unit in your applications, please add the iblegacyServices
579	>	to the list of dependencies. To do this, open the Project Inspector and select
580	>	Add->New Requirement and select "ibLegacyServices" from the list of available
581	>	packages.
582	>
583	>	1. New unit IBXServices. The IBXServices unit is a re-architectured update of
584	>	the IBServices unit providing what is intended to be a clearer and easier to
585	>	use set of IB Services components. See Chapter 10 of the IBX User Guide for
586	>	more information and the guide to "Firebird Service Management Using IBX".
587	>	As indicated above, the legacy services components are still available and
588	>	provided in a separate package. There is no need to update working applications
589	>	using the older versions except for an additional package dependency.
590	>
591	>	2. The IBX packages and source code tree have been re-organised in an attempt to
592	>	finally get rid of the "duplicate ppu" warnings. This re-organisation should
593	>	not affect existing users. Section 2.3 of the IBX User Guide describes the
594	>	new set of IBX packages.
595	>
596	>	3. The ibx/examples/DBAdmin and the ibx/examples/services example have been
597	>	updated to use the new Services API components.
598	>
599	>	4. The iblocal package has been updated to use the new Services API components.
600	>
601	>	5. procedure SetAutoAdmin; in the new IBX Services this method is now a member of
602	>	TIBXSecurityService. It had been wrongly classified in the previous version
603	>	as a per database configuration item. It is global to a server and hence
604	>	correctly positioned as part of the Security Package. In the DBAdmin example,
605	>	the setting has moved to the mappings page.
606	>
607	>	6. TIBXScript: IgnoreCreateDatabase added. If true then CREATE DATABASE statements
608	>	are ignored.
609	>
610	>	7. TIBDatabase: DropDatabase now ensures that all transactions have been properly
611	>	closed before the database is dropped. Before and After Disconnect event handlers
612	>	are also fired.
613	>
614	>	8. TIBTransaction: OnStartTransaction event now fires every time the transaction
615	>	is started and not just the first time.
616	>
617	>	9. IBDataOutput: Use FormatFloat for all performance statistics to avoid platform
618	>	depenendency with comp type.
619	>
620	>	10. IBDataOutput: select query data output is now sent to stdout instead of stderr.
621	>
622	>	11. TIBDatabase: Remove regression. If a user login dialog changes the DatabaseName
623	>	then this is recognised and not ignored.
624	>
625	>	12. TIBDataSet, TIBQuery, TIBTable: additions:
626	>	function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
627	>	function GetPerfStatistics(var stats: TPerfCounters): boolean;
628	>	property EnableStatistics: boolean read FEnableStatistics write SetEnableStatistics;
629	>
630	>	GetRowsAffected returns the affected row counts from the last insert/update/delete
631	>	if EnableStatistics = true then GetPerfStatistics returns the current stats
632	>	counters for the select query. Note: stats accumulate after each fetch from
633	>	the database. To get total query cost after open, call the "Last" method
634	>	and then GetPerfStatistics.
635	>
636	>	See ibx/examples/consolemode for an example of the use of GetPerfStatistics
637	>
638	>	13. TIBExtract: Identity columns DDL. "Start with clause" now correctly encapsulated
639	>	in parenthesises.
640	>
641	>	14. TIBExtract: new published property "AlwaysQuoteIdentifiers". If true then in dialect 3
642	>	SQL identifiers are always delimited by double quotes. If false, then they are
643	>	only delimited if the identifier is a reserved word, contains lower case or special
644	>	characters. Set this property to true to retain previous behaviour.
645	>
646	>	15. Insert SQL Property Editor. In Insert Returning Clause, Identity column names
647	>	are now inserted in double quotes if not Reserved Words or valid SQL Identifiers.
648	>
649	>	16. TIBDataSet, TIBQuery, TIBTable: addition:
650	>	property MasterDetailDelay: integer {defaults to zero}
651	>
652	>	When non-zero and the dataset is a detail table referencing a master table
653	>	through either a MasterSource (TIBTable) or a DataSource (TIBDataSet, TIBQuery)
654	>	then a synchronisation delay is added (in milliseconds) between the master
655	>	row changing and the detail dataset being re-opened. If the master dataset
656	>	is scrolled before the delay expires then the delay is reset. This can be used
657	>	to avoid performance overheads when scrolling through a large master dataset.
658	>
659	>	Note: uses fptimer and hence requires a thread manager. Under Linux the
660	>	chreads unit must be included in your project. TTimer is not used in order
661	>	to avoid an LCL dependency. Requires FPC 3.0.2 or later.
662	>
663	>	17. TIBExtract: User role grants now excluded when etGrantsToUser not specified
664	>	with Extract Option eoDatabase.
665	>
666	>	18. TIBLookupComboEditBox: Workaround added for https://bugs.freepascal.org/view.php?id=33428
667	>	When a deLayoutChanged event is reported on the ListSource dataset, the
668	>	combobox text is updated. This allows a listsource (detail) to be in a Master/Detail
669	>	relationship with the control's datasource (master).
670	>
671	>	19. TIBExtract: Full BigInt value range now supported for Generators/Sequences.
672	>
673	>	20. TIBExtract: Select Procedures (Procedure type 1) now include "SUSPEND;" clause in their
674	>	stubs. Pedantic fix really, as procedures output in dependency order anyway.
675	>
676	>	21. TIBExtract: Package Headers and Package Bodies are now included in the extracted
677	>	DDL (Firebird 3 and later only).
678	>
679	>	22. TIBLookupComboBox Autocomplete Fixes:
680	>	i. Only appended text is now selected after autocomplete.
681	>	ii. Uppercase keys no longer ignored for autocomplete.
682	>	iii. Retain Prefix case is now honoured correctly.
683	>	iv. When a DataSource is assigned, typing after autocomplete now extends prefix
684	>	before autocomplete performed. i.e. behaviour now the same as when
685	>	no DataSource assigned.
686	>
687	>	23. TIBXScript: Single Line Comments starting with '--' are now ignored when occurring
688	>	between SQL statements.
689	>
690	>	24. TIBExtract: New published property CaseSensitiveObjectNames. If false (default) then
691	>	ObjectNames are converted to upper case before matching against metadata object
692	>	names, unless the objectname is delimited by double quotes, in which case, the
693	>	double quotes are removed and the remaining string is used (unmodified) to match
694	>	against the metadata object name.
695	>
696	>	If true then the ObjectName is used as is without modification and matched
697	>	against the metadata object name. No attempt is made to remove double quotes.
698	>
699	>	25. TIBExtract: New Extract Types: etDatabaseTriggers and etDDLTriggers. When used
700	>	with eoTrigger, these extract types can be used to select only Database Triggers,
701	>	or DDL Triggers or both. Ignored when etTable or etTrigger included in Extract Types.
702	>
703	>	26. TIBXScript: If an exception occurs during the processing of a statement, the
704	>	statement separate character is now reset to the default (';').
705	>
706	>	27. TIBDatabase: Reconnect method added and used by TIBXScript for reconnect.
707	>
708	>	28. TIBXScript: Transaction is no longer automatically reactivated immediately processing
709	>	a commit or reconnect statement and instead activated only when next SQL statement
710	>	is executed.
711	>
712	>	29. TIBSQL.HasField should no longer generate and exception when the field does not exist.
713	>
714	>	30. TIBXScript: case insensitive regex now used when matching statements instead of
715	>	converting statement to upper case.
716	>
717	>	31. TIBExtract: metadata comments now supported. New published property
718	>	IncludeMetaDataComments (default true). If true then metadata comments included
719	>	in extracted DDL. New Extract Object member eoComments. This may be used with
720	>	ExtractObject method to list all metadata comments.
721	>
722	>	32. TIBExtract: ListObjectNames method added.
723	>
724	>	33. Updated Database component editor to support additional connection string
725	>	types.
726	>
727	>	IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
728	>
729	>	NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
730	>	AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
731	>	RELEASE.
732	>
733	>	NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
734
735		1. IBExtract: Identity columns - add additional check for null column for generator name.
736
#	Line 75 | Line 807 | IBX Change Log  version
807		15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
808		for password on reconnect.
809
810	<	16. IBDatabase: use IAttachment for connection default character set id, code page
810	>	16. TIBDatabase: use IAttachment for connection default character set id, code page
811		and character set name.
812
813		17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
814		DB info lookups"
815
816	<	18. IBExtract: now supports DDL Triggers.
816	>	18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
817
818		19. Add a property Editor for TIBUpdate.RefreshSQL.
819
#	Line 92 | Line 824 | IBX Change Log  version
824		21. Property Editors now automatically include System Tables when opened and when the query table
825		is a System Table.
826
827	<	22. FB3UserManager example added to illustrate use if IBX for managing user logins, passwords
828	<	and connections using IBX and with single or multiple security databases.
827	>	22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
828	>	This avoids errors due to a stale SQRB or SRB being used for the next query.
829	>
830	>	23. IBServices: Service attach parameters now include "expected_db". This is used to
831	>	add the SPB item isc_spb_expected_db. This names a database using
832	>	an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
833	>	database. examples/services re-written to illustrate use of "expected_db".
834	>
835	>	24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
836	>	This avoids truncated backups when the server returns a timeout (busy) response.
837	>
838	>	25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
839	>
840	>	26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
841	>	databasenames. These are respectively expanded to the local system's temp directory
842	>	(including trailing delimiter) or to a prescribed data directory (including
843	>	trailing delimiter). Under Unix systems the data directory is a hidden directory
844	>	in the user's home directory. The hidden directory name is either the string returned
845	>	from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
846	>	Under Windows, the directory is the same as the Data Directory as decribed
847	>	above but instead prefixed by the User's application data path. These may be
848	>	used to improve application portability for Personal Databases.
849	>
850	>	27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
851	>	this has not worked for a long time and is not useful either. FieldDefs should be
852	>	managed using the Fields Editor as with any other dataset. To access the fields
853	>	editor for a TIBTable component, double click on the component. The fields editor
854	>	is then displayed.
855	>
856	>	28. TIBDatabaseInfo: new properties/function
857	>	* DateDBCreated (returns date/time database created)
858	>	* TransactionCount (returns no. of active transactions)
859	>	* GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
860	>	* PagesFree (Firebird 3 or later)
861	>	* PagesUsed (Firebird 3 or later)
862	>	* Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
863	>	* EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
864	>
865	>	29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
866	>
867	>	30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
868	>
869	>	31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
870	>	the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
871	>
872	>	32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
873	>	in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
874	>	firing during backup and restore.
875	>
876	>	33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
877	>	for verbose output using the new property "StatisticsRequested".
878	>	see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
879	>
880	>	34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
881	>
882	>	35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
883	>	palette. This uses the online validation feature added in Firebird 2.5. The
884	>	services's properties enable inclusion/exclusion of tables and indexes using
885	>	regular expressions. See.
886	>	https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
887	>
888	>	36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
889	>	option on a database.
890	>
891	>	37. TIBCustomService: Assign method implemented to allow copying of service login
892	>	context between service API components. "Detach" method now only detaches
893	>	service when last reference to the service interface detaches. Tidy up of
894	>	code for SetActive and Attach methods including password hiding.
895	>
896	>	38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
897	>	and used to determine the auth method and protocol used for the connection.
898	>
899	>	39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
900	>	a Create Database Statement generated by IBX.
901	>
902	>	40. All IBServices now have an additional published property "PortNo". This may
903	>	be set to a non-standard port number when necessary. If zero then the default
904	>	port number is used.
905	>
906	>	41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
907	>	and not just the mouse.
908	>
909	>	42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
910	>
911	>	43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
912	>	image index and selected image index for each node to be set from a database field.
913	>
914	>	44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
915	>	then database schema includes grants to all users. If not present then the
916	>	only user grants included are those to User PUBLIC.
917	>
918	>	45. TIBTreeView: performance improvement. When expanding include both expanded node
919	>	and child nodes in dataset.
920
921
922		IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000

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