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Revision 67 by tony, Tue Oct 3 14:08:11 2017 UTC vs.
Revision 319 by tony, Thu Feb 25 12:05:40 2021 UTC

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1	<	IBX Change Log  version                   (2.0.3) tba, 24 Feb 2017 12:17:53 +0000
1	>	IBX Change Log  version (2.4-0 Build 12517) Fri, 19 Feb 2021 13:27:20 +0000
2	>
3	>	1. Firebird 4 support added.
4	>
5	>	2. New FB4 data types TIME WITH TIME ZONE, TIMESTAMP WITH TIME ZONE, DECFLOAT and
6	>	extended precision NUMERIC fields are supported.
7	>
8	>	3. TFmtBCDField is used to support access to DECFLOAT and extended precision NUMERIC fields.
9	>
10	>	4. TIBDateTimeField and TIBTimeField are introduced in support of TIMESTAMP WITH TIME ZONE
11	>	and TIME WITH TIME ZONE fields. These inherit from TDateTimeField.
12	>
13	>	5. IBExtract now supports FB4 enhancements:
14	>	- new data types as above
15	>	- Identity column extensions
16	>	- Default user role
17	>	- SQL Security clause for Database, Tables, Procedures, Functions and Triggers
18	>	- Internal Functions
19	>
20	>	6. IBExtract: new event: OnExtractLines.
21	>
22	>	7. IBExtract: revert create trigger to legacy syntax see Firebird CORE-6243, CORE-5545 and DOC-145
23	>
24	>	8. IBXServices: Server version no. parsing now allows any letter before major version number
25	>	and is no longer restricted to 'V' e.g. "LI-T4.0.0.1436 Firebird 4.0 Beta 1"
26	>
27	>	9. TIBDataSet and TIBQuery: new property TZTextOption. Used to determine the default
28	>	format for rendering a time zone.
29	>
30	>	10. TIBDataSet and TIBQuery: new property DefaultTZDate. Used to provide the default date
31	>	to convert TIME WITH TIME ZONE data type values to and from GMT.
32	>
33	>	11. Unit name IBTypes changed to IBInternals. Internal interfaces TIBGUIInterface and TIBTimerInf renamed to
34	>	IIBGUIInterface and IIBTimerInf respectively.
35	>
36	>	12. Constants: DPBPrefix and TPBPrefix moved to IB unit. DPBConstantNames and TPBConstantNames
37	>	now accessible as properties of TIBDatabase and TIBTransaction respectively.
38	>
39	>	13. String Fields: when a fixed character with (CHAR) field is returned, it is now
40	>	truncated to its fixed character width rather than being right padded with
41	>	white space to the maximum data size.
42	>
43	>	14. TIBTable.Empty table. In additional to deleting all records in the underlying
44	>	table, the internal buffers are now also flushed ensuring that the TIBTable is
45	>	also empty.
46	>
47	>	15. TBatchSQLStatementReader: Line buffer is now cleared on call to reset.
48	>
49	>	16. TIBXControlService descendents: DatabaseName may now be set using a database
50	>	connect string. The database name is extracted from the connect string.
51	>
52	>	17. DBControlGrid: Minor bug fixes. avoid AV on form closure, avoid black panel
53	>
54	>	18. TIBExtract: Data type of COMPUTED By columns is no longer included in SQL.
55	>
56	>	19. Local database on Linux and with legacy API and FB 2.5 embedded server: fixed problem with password
57	>	not being present as required.
58	>
59	>	20. IBTreeView split into DBTreeView and IBTreeView. This former is an IBX indepedent
60	>	version that can be customised to work with other database drivers.
61	>
62	>	21. ISQLMonitor: use platform specific LineEnding to delimit messages. Avoids
63	>	unnecessary CR at end of line on Unix platforms.
64	>
65	>	22. ISQLMonitor: Unix: Default semaphore timeout increased from 1 second to 10
66	>	seconds in order to reduce risk of message loss.
67	>
68	>	23. ISQLMonitor: read and write count statistics now available via:
69	>	property TIBSQLMonitor.ReadCount;
70	>	IIBSQLMonitorHook.GetWriteCount: integer;
71	>
72	>	24. ISQLMonitor tidy up and unit split. IPC functions moved to new unit IBIPC.
73	>
74	>	IBX Change Log  version (2.3-5 Build 12350) Tue, 25 Aug 2020 16:11:02 +0100
75	>
76	>	1.  TIBStringField: when a string value is read from a dataset buffer, if the
77	>	number of UTF8 characters exceeds the string size then string is truncated
78	>	to the maximum string size. This is  usually a problem with fixed width columns
79	>	right padded with white space.
80	>
81	>	2.  SQLFiltered and SQLFilterParams added to TIBQuery, TIBTable and TIBDataset.
82	>	If SQLFiltered is set then when a dataset is opened, each line in the
83	>	SQLFilterParams property is assumed to be a SQL condition clause and
84	>	ANDed into the Where clause of the SQL Select statement provided as a
85	>	dataset property. Each such SQL condition thus acts as an additional filter
86	>	on the dataset.
87	>
88	>	3.  The Filtered property inherited from TDataset is no longer used for SQL (server
89	>	side filters).
90	>
91	>	4. IBLookupComboEditBox: Selection should no longer reset to start of text when
92	>	text matches complete entry.
93	>
94	>	5. TIBDataLink: Detail Dataset params not refreshed unless both master and detail
95	>	dataset are active (avoids risk of access violation if master is inactive)
96	>
97	>	6. TIBEvents: Registered property can now be set at design time even if database not open
98	>
99	>	7. TIBEvents: component now correctly re-initialised after call to UnregisterEvents.
100	>	This should prevent "spillover" of events between sessions.
101	>
102	>	8. TIBCustomDataset: GetNextRecord now called when reseting to first record of a unidirectional dataset.
103	>	This should ensure that the internal buffer is set up correctly and avoids
104	>	a duplicate initial row.
105	>
106	>	9. TIBStringField: DataSize now given as byte size of string less trailing any zero character.
107	>	That is, the DataSize should be the field size * character set width. The
108	>	value returned by DataSize is now the same as the Dataset buffer size reserved
109	>	for the field.
110	>
111	>	10. IBExtract: Tidyup of SQL generation. Avoid unnecessary double quotes.
112	>
113	>	11. TIBCustomDataset: Add checks on buffer sizes when copying data from row to field buffer
114	>	and vice-versa. This may result in an exception being raised (correctly) for
115	>	older programs when using dataset fields added to a form and the database has been
116	>	upgraded. For example, computed fields can change from 32-bit to 64-bit integers.
117	>	In such cases, the field needs to be deleted in the IDE fields editor and then
118	>	added back in.
119	>
120	>	12. IBCustomDataSet: CanInsert, CanEdit, CanDelete and CanRefresh updated to return
121	>	false if query contains only white space and not just empty.
122	>
123	>	12. IBCustomDataset: Blob data is now cleared when TDataSet.Cancel is called. This
124	>	should ensure that (e.g.) a TDBMemo is correctly refreshed after a dataset edit
125	>	is cancelled.
126	>
127	>	13. IBCustomDataset: SetArrayIntf should no longer cause an access violation if
128	>	called on a null field.
129	>
130	>	14. IBCustomDataSet: An access violation should no longer occur when calling CancelUpdates
131	>	results in an empty dataTC86                Client side Filtered Dataset    1       X
132	>	set.
133	>
134	>	15. IBCustomDataSet: OnUpdateError should now be called in all circumstances when
135	>	a cached update is applied and an exception is raised.
136	>
137	>	16. IBCustomDataSet: Avoid access violation when SetBookmarkData called with nil pointer.
138	>
139	>	17. Console Mode Local Database support: backup/restore should now work correctly.
140	>
141	>	18. Local Database Support: if an upgrade fails, a downgrade is now performed if
142	>	possible and an exception raised.
143	>
144	>	19. MinimumVersionNo added to Local Database Support. Database will not open if
145	>	below this version no. and upgrade not possible.
146	>
147	>	IBX Change Log  version (2.3-4 Build 12041) Fri, 17 Apr 2020 14:00:32 +0100
148	>
149	>	1.  TIBXDataSet and Generators: Generator Names that are not all upper case or
150	>	not SQL Identifiers are now supported.
151	>
152	>	2.  TIBXScript: Set Generator is no longer rejected as unrecognised SQL and is
153	>	passed to the Firebird engine for execution.
154	>
155	>	3.  TIBDataSet: Unidirectional datasets now give an error message if an attempt
156	>	is made to scroll back.
157	>
158	>	4.  New unit: IBMessages.pas. Contains only messages used by IBX and not FBIntf
159	>
160	>	5. TIBLookupComboEditBox: When generating auto-complete SQL, the ListField is now
161	>	only enclosed in double quotes in SQL dialect 3 and when it needs to be.
162	>
163	>	6. TIBLookupComboEditBox: when the list source opens, the ListField name is now
164	>	validated. If no match is found in the list of field names and the database has
165	>	been opened in SQL Dialect 3, then the ListField Name is converted to upper case
166	>	if it then matches a field name. Otherwise, a Listfield not valid exception occurs.
167	>
168	>	7. IBGeneratoreditor.pas: Add missing parenthesis around "IS" statement for compliance
169	>	with fpc 3.2.
170	>
171	>	IBX Change Log  version (2.3-3 Build 11512) Fri, 28 Dec 2018 10:04:17 +0000
172	>
173	>
174	>	1. New property for TIBDatabase and TIBXServicesConnection. This is "ConfigOverrides"
175	>	and is used to override the default settings in the client side "firebird.conf" This
176	>	includes "WireCompression" and "WireCrypt". The value of this property is a "TStrings".
177	>	Each line of the string list should be a setting in the same format as "firebird.conf".
178	>	For example "WireCompression = true" in order to request wire compression on the client side.
179	>
180	>	Note: explicit settings in the client side "firebird.conf" appear to take precedence
181	>	over settings given in TIBDatabase and TIBXServicesConnection. Many client side settings
182	>	also require a compatible setting in the server side "firebird.conf". For example
183	>	"WireCompression = true" must also be set in the server's "firebird.conf" for wire
184	>	compression to be used.
185	>
186	>	Whether or not WireCompression or WireCrypt are in use can be checked using the information
187	>	returned with the Client/Server protocol version. See ibx/examples/dbadmin and
188	>	ibx/examples/dbinfo for examples of how to display this information.
189	>
190	>	2. New property for TIBDatabase and TIBXServicesConnection: "WireCompression". This
191	>	is a "convenience" property. If set the "WireCompression=true" is added to the
192	>	ConfigOverrides. If unchecked then this setting is removed.
193	>
194	>	3. TIBExtract: 64-bit integer types are now correctly extracted as "BIGINT" and
195	>	not "INT64".
196	>
197	>	4. New published properties for TIBCSVDataOut, TIBInsertStmtsOut and TIBBlockFormatOut
198	>	These are:
199	>	property TimestampFormat: string;
200	>	property DateFormat: string;
201	>	property TimeFormat: string;
202	>
203	>	Respectively, these provide the date time format templates for SQL types: TIMESTAMP,
204	>	DATETIME and TIME. The format strings use the standard FPC date/time format
205	>	characters (see https://www.freepascal.org/docs-html/rtl/sysutils/formatchars.html).
206	>
207	>	If any of the above properties are set to an empty string, then the locale default
208	>	is used. This uses the ShortDateFormat and the LongTimeFormat. In timestamp, the
209	>	locale default is extended by appending '.zzz' to include milliseconds.
210	>
211	>	TIBCSVDataOut by default sets these properties to the empty string, while the other
212	>	two use: 'yyyy.mm.dd hh:nn:ss.zzz', 'yyyy.mm.dd' and 'hh:nn:ss.zzz' respectively.
213	>
214	>	5. New published property for TIBCSVDataOut:
215	>	property QuoteStrings: boolean (default true)
216	>
217	>	If false then strings are unquoted, otherwise, the QuoteChar property value is
218	>	used to delimit each and every string in the output.
219	>
220	>	6. New published properties for TIBCSVDataOut:
221	>	property FieldSeparator: string;
222	>	property HeaderSeparator: string;
223	>
224	>	Respectively, these provide the separator character(s) used to separate fields
225	>	in data and header rows. Both default to ','.
226	>
227	>	7. New published properties for TIBCSVDataOut and TIBBlockFormatOut:
228	>	TOnFormatTextString = procedure(sender: TObject; var TextString: string) of object;
229	>	property OnFormatTextString;
230	>
231	>	This event handler can be used to process text strings before they are included
232	>	in the output e.g. to replace unprintable characters with alternative strings.
233	>	This only applies to columns with an SQL Type of SQL_VARYING and SQL_TEXT.
234	>
235	>	8. TIBDataSet now raises an exception when ParamByName called with an invalid parameter name.
236	>	Uses "FindParam" if in order to find out if a parameter with a given name exists
237	>	and without raising and exception if it does not.
238	>
239	>	9. TIBQuery now uses IBX SQL Parser instead of the TParams SQL parser in order to ensure
240	>	consistency with SQL queries.
241	>
242	>	10. CaseSensitiveParameterNames property added to TIBSQL, TIBDataSet and TIBQuery.
243	>	When true, SQL statement parameter names are parsed case sensitive. Note for
244	>	TIBDataSet only applies to Select query.
245	>
246	>	11. IBEvents: removing a TIBEvent component from a form should no longer result in
247	>	an IDE exception.
248	>
249	>	12. LocalDBSupport: initial database creation should now work correctly
250	>	when the schema source is an sql file.
251	>
252	>	13. TIBCMLocalDBSupport: new event handler "property OnProgressEvent: TOnProgressEvent"
253	>	when defined, this handler will be called by the internal TIBXScript during
254	>	initial database creation when the schema source is an sql file and may be used
255	>	to provide a visual indication of progress in console mode.
256	>
257	>	14. TCustomIBLocalDBSupport: new public property "InOnCreateDB: boolean". This is set
258	>	to true while a new local database is being created and its schema populated.
259	>	Useful in (e.g.) TIBDatabase.OnAfterConnect handler to suppress actions
260	>	when the database is disconnected/connected during the create DB procedure.
261	>
262	>	15. TIBXScript: any User/password parameters found in a CREATE DATABASE statement
263	>	are now always ignored and replaced by the user name and password provided as
264	>	the login parameters for the TIBDatabase referenced from the TIBXScript. The
265	>	IgnoreCreateDatabase property still applies and the CREATE DATABASE statement is
266	>	completely ignored if this property is true.
267	>
268	>	16. Code tidyup in IBTreeView: Node properties initialisation moved from TIBTreeView.AddNodes
269	>	to TIBTreeView.Added. An OnAddition event handler is no longer needed to initialise
270	>	ImageIndex and SelectImageIndex values on AddNode.
271	>
272	>	17. TIBDatabase.Attachment and TIBXServicesConnection.ServicesIntf properties are now
273	>	read/write. This should enabled (e.g.) multiple instances of TIBDatabase to share
274	>	the same database connection.
275	>
276	>	18. TIBDataSet and TIBQuery now support the TDataSet "Filter" property.
277	>	if provided, this should be an conditional SQL expression suitable for
278	>	including in an SQL Select statement "where" clause. If non-empty and the
279	>	"Filtered" property is true then the SQL expression provided as the value of
280	>	the "Filter" property is "ANDed" with any existing condition statement
281	>	in the SQL statement's "Where" clause.
282	>
283	>	If the "Filter" property is set at run time, the "Filtered" property is true
284	>	and the dataset is already open, then the dataset is closed and re-opened automatically.
285	>
286	>	The "Filter" condition may include IBX style parameters. In which case, their
287	>	value must be set by the dataset's "OnBeforeOpen" event handler.
288	>
289	>	This is a public property for TIBDataSet and TIBQuery query and intended for
290	>	use at run time.
291	>
292	>	Note: The property is a published property of TIBTable. The TIBTable functionality
293	>	is unaffected by this change.
294	>
295	>	IBX Change Log  version (2.3-2) Wed, 05 Dec 2018 12:19:23 +0000
296	>
297	>	1. Remove need to check for IsMultiThread by providing access to GUI timers via
298	>	IBGUIInterface. Note: master/detail delay timer does not apply to console
299	>	mode apps.
300	>
301	>	2. TIBCustomDataSet: SQLParser ignored if it does not contain a valid select
302	>	statement. This avoids problems if "Execute Block" is used as the Query.
303	>
304	>	3. IBSQLParser now uses the common SQL tokeniser from fbintf. This replaces the
305	>	internal SQL tokeniser routines.
306	>
307	>	4. IBSQLParser: new property NotaSelectStmt. Set to true if SQL fails to parse
308	>	as a select statement, with or without CTEs.
309	>
310	>	5. IBSQLParser: parser now recognises the "ROWS" clause.
311	>
312	>	6. TIBXScript now uses the common SQL tokeniser from fbintf. This replaces the
313	>	internal SQL tokeniser routines.
314	>
315	>	7.  Fix error in TIBXScript processing of "set" statements. This avoids exceptions
316	>	being raised for valid set statements processed by a data formatter.
317	>
318	>	8. New published property for TIBDatabase and TIBXServicesConnection. This is
319	>	FirebirdLibraryPathName: string. If not empty it is used to explicitly specify
320	>	the path of the Firebird Library used by the database/services connection.
321	>
322	>	9. New read only public property for TIBDatabase and TIBXServicesConnection. This
323	>	is FirebirdAPI and returns the IFirebirdAPI interface used by the database/
324	>	services connection.
325	>
326	>	10.SQL Property editors now quote parameter names if "Quote identifier" is selected
327	>	or param name is not a valid SQL identifier.
328	>
329	>	11. IBLookupComboEditBox: In Lazarus 2.0, TDBLookupComboBox takes a more restrictive
330	>	view of whether the text box should be editable when no DataSource is specified.
331	>	TIBLookupComboEditBox has been updated to workaround this problem. As long as
332	>	ReadOnly is false, the text box is editable when no DataSource is specified.
333	>
334	>	12. AllowUseOfFBLIB is now set to "true" at design time. This is to allow use of
335	>	the FBLIB environment variable. If you do not want to permit this then you
336	>	must modify the Register procedure in the design/IBDBReg.pas unit to remove
337	>	this setting.
338	>
339	>	IBX Change Log  version                 (2.3-1) Thu, 25 Oct 2018 14:39:45 +0100
340	>
341	>	1. IBCustomDataset: replace deprecated function ValidUTF8String with call to
342	>	Utf8EscapeControlChars
343	>
344	>	IBX Change Log  version                (2.3-0) Mon, 16 Apr 2018 09:48:06 +0100
345	>
346	>	IMPORTANT: the source code tree has been re-organised for IBX 2.3. Please remove
347	>	all previous copies of the IBX source code tree before installing this release.
348	>
349	>	The IBX packages used by most users have not changed, with one exception. The
350	>	IBServices unit has been moved to the package iblegacyServices.lpk. To continue
351	>	to use the IBServices unit in your applications, please add the iblegacyServices
352	>	to the list of dependencies. To do this, open the Project Inspector and select
353	>	Add->New Requirement and select "ibLegacyServices" from the list of available
354	>	packages.
355	>
356	>	1. New unit IBXServices. The IBXServices unit is a re-architectured update of
357	>	the IBServices unit providing what is intended to be a clearer and easier to
358	>	use set of IB Services components. See Chapter 10 of the IBX User Guide for
359	>	more information and the guide to "Firebird Service Management Using IBX".
360	>	As indicated above, the legacy services components are still available and
361	>	provided in a separate package. There is no need to update working applications
362	>	using the older versions except for an additional package dependency.
363	>
364	>	2. The IBX packages and source code tree have been re-organised in an attempt to
365	>	finally get rid of the "duplicate ppu" warnings. This re-organisation should
366	>	not affect existing users. Section 2.3 of the IBX User Guide describes the
367	>	new set of IBX packages.
368	>
369	>	3. The ibx/examples/DBAdmin and the ibx/examples/services example have been
370	>	updated to use the new Services API components.
371	>
372	>	4. The iblocal package has been updated to use the new Services API components.
373	>
374	>	5. procedure SetAutoAdmin; in the new IBX Services this method is now a member of
375	>	TIBXSecurityService. It had been wrongly classified in the previous version
376	>	as a per database configuration item. It is global to a server and hence
377	>	correctly positioned as part of the Security Package. In the DBAdmin example,
378	>	the setting has moved to the mappings page.
379	>
380	>	6. TIBXScript: IgnoreCreateDatabase added. If true then CREATE DATABASE statements
381	>	are ignored.
382	>
383	>	7. TIBDatabase: DropDatabase now ensures that all transactions have been properly
384	>	closed before the database is dropped. Before and After Disconnect event handlers
385	>	are also fired.
386	>
387	>	8. TIBTransaction: OnStartTransaction event now fires every time the transaction
388	>	is started and not just the first time.
389	>
390	>	9. IBDataOutput: Use FormatFloat for all performance statistics to avoid platform
391	>	depenendency with comp type.
392	>
393	>	10. IBDataOutput: select query data output is now sent to stdout instead of stderr.
394	>
395	>	11. TIBDatabase: Remove regression. If a user login dialog changes the DatabaseName
396	>	then this is recognised and not ignored.
397	>
398	>	12. TIBDataSet, TIBQuery, TIBTable: additions:
399	>	function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
400	>	function GetPerfStatistics(var stats: TPerfCounters): boolean;
401	>	property EnableStatistics: boolean read FEnableStatistics write SetEnableStatistics;
402	>
403	>	GetRowsAffected returns the affected row counts from the last insert/update/delete
404	>	if EnableStatistics = true then GetPerfStatistics returns the current stats
405	>	counters for the select query. Note: stats accumulate after each fetch from
406	>	the database. To get total query cost after open, call the "Last" method
407	>	and then GetPerfStatistics.
408	>
409	>	See ibx/examples/consolemode for an example of the use of GetPerfStatistics
410	>
411	>	13. TIBExtract: Identity columns DDL. "Start with clause" now correctly encapsulated
412	>	in parenthesises.
413	>
414	>	14. TIBExtract: new published property "AlwaysQuoteIdentifiers". If true then in dialect 3
415	>	SQL identifiers are always delimited by double quotes. If false, then they are
416	>	only delimited if the identifier is a reserved word, contains lower case or special
417	>	characters. Set this property to true to retain previous behaviour.
418	>
419	>	15. Insert SQL Property Editor. In Insert Returning Clause, Identity column names
420	>	are now inserted in double quotes if not Reserved Words or valid SQL Identifiers.
421	>
422	>	16. TIBDataSet, TIBQuery, TIBTable: addition:
423	>	property MasterDetailDelay: integer {defaults to zero}
424	>
425	>	When non-zero and the dataset is a detail table referencing a master table
426	>	through either a MasterSource (TIBTable) or a DataSource (TIBDataSet, TIBQuery)
427	>	then a synchronisation delay is added (in milliseconds) between the master
428	>	row changing and the detail dataset being re-opened. If the master dataset
429	>	is scrolled before the delay expires then the delay is reset. This can be used
430	>	to avoid performance overheads when scrolling through a large master dataset.
431	>
432	>	Note: uses fptimer and hence requires a thread manager. Under Linux the
433	>	chreads unit must be included in your project. TTimer is not used in order
434	>	to avoid an LCL dependency. Requires FPC 3.0.2 or later.
435	>
436	>	17. TIBExtract: User role grants now excluded when etGrantsToUser not specified
437	>	with Extract Option eoDatabase.
438	>
439	>	18. TIBLookupComboEditBox: Workaround added for https://bugs.freepascal.org/view.php?id=33428
440	>	When a deLayoutChanged event is reported on the ListSource dataset, the
441	>	combobox text is updated. This allows a listsource (detail) to be in a Master/Detail
442	>	relationship with the control's datasource (master).
443	>
444	>	19. TIBExtract: Full BigInt value range now supported for Generators/Sequences.
445	>
446	>	20. TIBExtract: Select Procedures (Procedure type 1) now include "SUSPEND;" clause in their
447	>	stubs. Pedantic fix really, as procedures output in dependency order anyway.
448	>
449	>	21. TIBExtract: Package Headers and Package Bodies are now included in the extracted
450	>	DDL (Firebird 3 and later only).
451	>
452	>	22. TIBLookupComboBox Autocomplete Fixes:
453	>	i. Only appended text is now selected after autocomplete.
454	>	ii. Uppercase keys no longer ignored for autocomplete.
455	>	iii. Retain Prefix case is now honoured correctly.
456	>	iv. When a DataSource is assigned, typing after autocomplete now extends prefix
457	>	before autocomplete performed. i.e. behaviour now the same as when
458	>	no DataSource assigned.
459	>
460	>	23. TIBXScript: Single Line Comments starting with '--' are now ignored when occurring
461	>	between SQL statements.
462	>
463	>	24. TIBExtract: New published property CaseSensitiveObjectNames. If false (default) then
464	>	ObjectNames are converted to upper case before matching against metadata object
465	>	names, unless the objectname is delimited by double quotes, in which case, the
466	>	double quotes are removed and the remaining string is used (unmodified) to match
467	>	against the metadata object name.
468	>
469	>	If true then the ObjectName is used as is without modification and matched
470	>	against the metadata object name. No attempt is made to remove double quotes.
471	>
472	>	25. TIBExtract: New Extract Types: etDatabaseTriggers and etDDLTriggers. When used
473	>	with eoTrigger, these extract types can be used to select only Database Triggers,
474	>	or DDL Triggers or both. Ignored when etTable or etTrigger included in Extract Types.
475	>
476	>	26. TIBXScript: If an exception occurs during the processing of a statement, the
477	>	statement separate character is now reset to the default (';').
478	>
479	>	27. TIBDatabase: Reconnect method added and used by TIBXScript for reconnect.
480	>
481	>	28. TIBXScript: Transaction is no longer automatically reactivated immediately processing
482	>	a commit or reconnect statement and instead activated only when next SQL statement
483	>	is executed.
484	>
485	>	29. TIBSQL.HasField should no longer generate and exception when the field does not exist.
486	>
487	>	30. TIBXScript: case insensitive regex now used when matching statements instead of
488	>	converting statement to upper case.
489	>
490	>	31. TIBExtract: metadata comments now supported. New published property
491	>	IncludeMetaDataComments (default true). If true then metadata comments included
492	>	in extracted DDL. New Extract Object member eoComments. This may be used with
493	>	ExtractObject method to list all metadata comments.
494	>
495	>	32. TIBExtract: ListObjectNames method added.
496	>
497	>	33. Updated Database component editor to support additional connection string
498	>	types.
499	>
500	>	IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
501	>
502	>	NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
503	>	AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
504	>	RELEASE.
505	>
506	>	NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
507	>
508	>	1. IBExtract: Identity columns - add additional check for null column for generator name.
509	>
510	>	2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
511	>	The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
512	>	information). However, this is also a very useful mechanism for returning updated computed by
513	>	column values. Values returned as a result of executing an Insert or Update statement
514	>	replace existing values in the current row for each corresponding column.
515	>
516	>	Previously, if a dataset's select query included read only (computed by) fields then
517	>	an automatic row refresh was performed after an insert or update query had been processed,
518	>	irrespective of the setting of the "ForcedUpdates" property. This has changed such
519	>	that an automatic refresh is no longer performed if an insert or update query contains
520	>	a returning clause that updates one or more fields on the current row. A full row
521	>	refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
522	>	field values and the select query contains read only fields. Use of Insert/update
523	>	returning should be significantly more efficient than executing a refresh query.
524	>
525	>	This behaviour change is intended to be backwards compatible and there should be no need to change
526	>	existing programs, other than to improve performance by using the new capability.
527	>
528	>	3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
529	>	they are called when the dataset row is being deleted, there is no value in
530	>	updating the current record from the query result. Instead, a new event handler
531	>	"OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
532	>	an OnDeleteReturning event handler is provided then it is called with the IResults returned
533	>	by the query. The event handler can then interrogate the query results and
534	>	perform whatever action is necessary. For example to confirm, to the user,
535	>	the deletion of a row with the returned values.
536	>
537	>	4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
538	>	any Computed By or Identity Columns. The IBTables example has been updated to
539	>	illustrate the computation of the employee Full Name on update.
540	>
541	>	5. TIBTable: The GeneratorField property is now published.
542	>
543	>	6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
544	>	When InsertSQL is generated, the Identity columns are not included in the list of values to
545	>	be inserted. A RETURNING clause is added to the insert statement to return the value of
546	>	each Identity column after the insert is executed.
547	>
548	>	7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
549	>	Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
550	>	Insert..Returning clause.
551	>
552	>	8. TIBGenerator: small performance improvement by not preparing query each time
553	>	a new value is generated.
554	>
555	>	9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
556	>
557	>	10. Property editors will now sync table name to a System Table when "Include System
558	>	Tables" is selected and the query is for a System Table.
559	>
560	>	11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
561	>	values are no longer converted to milliseconds from TDateTime and then back again
562	>	to TDateTime (the conversion to milliseconds is the default TDataset approach).
563	>
564	>	12. Property Editors handling of Stored Procedures.
565	>	* Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
566	>	which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
567	>	query).
568	>	* Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
569	>
570	>	13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
571	>	can be used to select a package. If non-empty, the stored procedure name is
572	>	expected to be a stored procedure defined in the specified package and the
573	>	generated SQL will be as required for a stored procedure located in a package.
574	>
575	>	14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
576	>	a "Package Name" drop down box to allow selection of a Firebird 3 Package from
577	>	which a stored procedure can be selected. With no package name selected, non-package
578	>	stored procedures are listed.
579	>
580	>	15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
581	>	for password on reconnect.
582	>
583	>	16. TIBDatabase: use IAttachment for connection default character set id, code page
584	>	and character set name.
585	>
586	>	17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
587	>	DB info lookups"
588	>
589	>	18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
590	>
591	>	19. Add a property Editor for TIBUpdate.RefreshSQL.
592	>
593	>	20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
594	>	parameters. This stops an exception being raised when the field cannot be
595	>	located in the record buffer.
596	>
597	>	21. Property Editors now automatically include System Tables when opened and when the query table
598	>	is a System Table.
599	>
600	>	22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
601	>	This avoids errors due to a stale SQRB or SRB being used for the next query.
602	>
603	>	23. IBServices: Service attach parameters now include "expected_db". This is used to
604	>	add the SPB item isc_spb_expected_db. This names a database using
605	>	an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
606	>	database. examples/services re-written to illustrate use of "expected_db".
607	>
608	>	24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
609	>	This avoids truncated backups when the server returns a timeout (busy) response.
610	>
611	>	25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
612	>
613	>	26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
614	>	databasenames. These are respectively expanded to the local system's temp directory
615	>	(including trailing delimiter) or to a prescribed data directory (including
616	>	trailing delimiter). Under Unix systems the data directory is a hidden directory
617	>	in the user's home directory. The hidden directory name is either the string returned
618	>	from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
619	>	Under Windows, the directory is the same as the Data Directory as decribed
620	>	above but instead prefixed by the User's application data path. These may be
621	>	used to improve application portability for Personal Databases.
622	>
623	>	27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
624	>	this has not worked for a long time and is not useful either. FieldDefs should be
625	>	managed using the Fields Editor as with any other dataset. To access the fields
626	>	editor for a TIBTable component, double click on the component. The fields editor
627	>	is then displayed.
628	>
629	>	28. TIBDatabaseInfo: new properties/function
630	>	* DateDBCreated (returns date/time database created)
631	>	* TransactionCount (returns no. of active transactions)
632	>	* GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
633	>	* PagesFree (Firebird 3 or later)
634	>	* PagesUsed (Firebird 3 or later)
635	>	* Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
636	>	* EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
637	>
638	>	29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
639	>
640	>	30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
641	>
642	>	31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
643	>	the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
644	>
645	>	32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
646	>	in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
647	>	firing during backup and restore.
648	>
649	>	33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
650	>	for verbose output using the new property "StatisticsRequested".
651	>	see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
652	>
653	>	34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
654	>
655	>	35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
656	>	palette. This uses the online validation feature added in Firebird 2.5. The
657	>	services's properties enable inclusion/exclusion of tables and indexes using
658	>	regular expressions. See.
659	>	https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
660	>
661	>	36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
662	>	option on a database.
663	>
664	>	37. TIBCustomService: Assign method implemented to allow copying of service login
665	>	context between service API components. "Detach" method now only detaches
666	>	service when last reference to the service interface detaches. Tidy up of
667	>	code for SetActive and Attach methods including password hiding.
668	>
669	>	38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
670	>	and used to determine the auth method and protocol used for the connection.
671	>
672	>	39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
673	>	a Create Database Statement generated by IBX.
674	>
675	>	40. All IBServices now have an additional published property "PortNo". This may
676	>	be set to a non-standard port number when necessary. If zero then the default
677	>	port number is used.
678	>
679	>	41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
680	>	and not just the mouse.
681	>
682	>	42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
683	>
684	>	43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
685	>	image index and selected image index for each node to be set from a database field.
686	>
687	>	44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
688	>	then database schema includes grants to all users. If not present then the
689	>	only user grants included are those to User PUBLIC.
690	>
691	>	45. TIBTreeView: performance improvement. When expanding include both expanded node
692	>	and child nodes in dataset.
693	>
694	>
695	>	IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
696
697		1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
698		changes.
#	Line 24 | Line 718 | IBX Change Log  version
718		screen centre. Previously some were "poDesigned" which may be inappropriate
719		for multi monitor desktops.
720
721	+	10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
722	+
723	+	11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
724	+	a transaction and always reset the object.
725	+
726	+	12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
727	+
728	+	13. TIBXScript: Allow for override of database filename in Create Database statements.
729	+
730	+	14. IBLocaldb: Support initialisation of the database from an SQL script in addition
731	+	to a gbak format archive.
732	+
733	+	15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
734	+
735	+	16. IBLocaldb: Drop database if error creating an empty database.
736	+
737	+	17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
738	+	unless selected node not in current dataset.
739	+
740	+	18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
741	+	to TIBCustomService, and IBlocalDB code tidy up.
742	+
743	+	19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
744	+	behaviour due to uninitialised variable.
745	+
746	+	20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
747	+	integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
748	+
749	+	21. IBSQL: When Database changed ensure that all resources are freed.
750	+
751	+	22. IBCustomDataset: When database changed ensure that queries an unprepared.
752	+
753	+	23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
754	+	* Line Wrap on SQL Token boundaries (on user command)
755	+	* auto-complete table names in drop down list of table names
756	+	* Double click on tablename or field name adds to SQL text
757	+
758	+	24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
759	+
760	+	25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
761	+	TVariantArray. Seems to avoid memory corruption in Windows (probably a
762	+	workaround for a problem in fpc 3.0.4 win64).
763	+
764	+	26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
765	+
766	+	27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
767	+
768		IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
769
770		1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
#	Line 44 | Line 785 | IBX Change Log  version
785		that BindFields is called when the query is next activated. Avoids FieldName
786		not found error.
787
788	+	7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
789	+	purpose and allows the programmer to define any action they want for Update, Insert
790	+	or Delete. This may be complex SQL (similar to a Trigger), application specific
791	+	filtering of updates, or use of statements such as Grant or Revoke instead of
792	+	normal DML. See User Manual for more information.
793	+
794		IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
795
796		1. TIBEvents: Fix uninitialised variable that could result in lost events.

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