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1	<	IBX Change Log  version                                                    (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
1	>	IBX Change Log  version (2.5-0 Build 12933) Mon, 29 Nov 2021 14:59:54 +0000
2	>
3	>	1. IBCustomDataset: Modify TISQL component now defaults to GoToFirstRecordOnExecute := true.
4	>	This is for compatibility with Firebird 5 where Update...Returning can return
5	>	a cursor.
6	>
7	>	IBX Change Log  version (2.4-3 Build 12886) Sat, 23 Oct 2021 14:58:30 +0100
8	>
9	>	1. Add try-..except check when initially loading library in IDE. This should
10	>	ensure that IDE continues to load even when a failure occurs in IBX load
11	>	library.
12	>
13	>	2. IBXScript: now recognises a CASE...END block within a stored procedure and
14	>	hence will correctly detect end of the outer containing block when the block
15	>	contains a SELECT ... CASE ... END construct.
16	>
17	>	3. IBExtract: some further tidying up to remove extraneous white space.
18	>
19	>	4. IBCustomDataSet: DefaultFieldClasses array declaration updated to avoid compile time
20	>	errors when extra elements are added to DB.TFieldType.
21	>
22	>	5. IBUpdate: updated to reflect changes to ISQLParam.
23	>
24	>	6. IBXScript: now correctly parses a DECLARE statement which includes a quoted string.
25	>
26	>	7. IBExtract: for ODS >=13, increment generator value by one for ALTER SEQUENCE statement.
27	>
28	>	8. IBSQL: Support for scrollable cursors added (note: local databases only)
29	>
30	>	IBX Change Log  version (2.4-2 Build 12773) Mon, 23 Aug 2021 11:59:42 +0100
31	>
32	>	1. TIBDatabaseInfo: review and tidy-up of property types. Most widen to int64 with the
33	>	exception of those defined to be one byte wide e.g. DBImplementationNo.
34	>
35	>	2. TIBSQL: Batch Update/Insert support added.
36	>
37	>	3. TIBStoredProc: when generating the SQL, the value of the StoredProcName property
38	>	is no longer automatically converted to upper case when it is syntactically a
39	>	SQL Identifier. This is to support the use of stored procedures defined e.g.
40	>	as CREATE PROCEDURE "iCASE".
41	>
42	>	There could be a backwards compatibility issue when the StoredProcName was entered
43	>	manually at design time. That is not selected from the drop down list. If the
44	>	StoredProcName is entered in mixed case and the procedure was declared e.g. as
45	>	CREATE PROCEDURE iCASE, then the SQL generation will be incorrect. You should
46	>	ensure that the value of the StoredProcName is all upper case, unless it was
47	>	declared under dialect 3 and explicitly as mixed case (i.e. delimited by double
48	>	quotes).
49	>
50	>	Note that when a stored procedure name was declared delimited in double quotes,
51	>	as in the first example above, the value of the StoredProcName property must not
52	>	include the delimiters (double quotes).
53	>
54	>	4. IBXUpgradeConfFile: an exception is now raised if a patch file specified in
55	>	upgrade.conf was not found. This replaces silently ignoring the problem.
56	>
57	>	5. TIBLocalDBSupport: new property "SectionHeaderTemplate". This defaults to
58	>	'Version.%.3d' and is used to generate the section header names (for a given
59	>	version no.) in the upgrade.conf file.
60	>
61	>	IBX Change Log  version (2.4-1 Build 12550) Wed, 23 Jun 2021 13:59:14 +0100
62	>
63	>	1. -c command line option added to fbsql example program. Used to set connection
64	>	character set.
65	>
66	>	IBX Change Log  version (2.4-0 Build 12543) Mon, 22 Feb 2021 11:00:08 +0000
67	>
68	>	1. Firebird 4 support added.
69	>
70	>	2. New FB4 data types TIME WITH TIME ZONE, TIMESTAMP WITH TIME ZONE, DECFLOAT and
71	>	extended precision NUMERIC fields are supported.
72	>
73	>	3. TFmtBCDField is used to support access to DECFLOAT and extended precision NUMERIC fields.
74	>
75	>	4. TIBDateTimeField and TIBTimeField are introduced in support of TIMESTAMP WITH TIME ZONE
76	>	and TIME WITH TIME ZONE fields. These inherit from TDateTimeField.
77	>
78	>	5. IBExtract now supports FB4 enhancements:
79	>	- new data types as above
80	>	- Identity column extensions
81	>	- Default user role
82	>	- SQL Security clause for Database, Tables, Procedures, Functions and Triggers
83	>	- Internal Functions
84	>
85	>	6. IBExtract: new event: OnExtractLines.
86	>
87	>	7. IBExtract: revert create trigger to legacy syntax see Firebird CORE-6243, CORE-5545 and DOC-145
88	>
89	>	8. IBXServices: Server version no. parsing now allows any letter before major version number
90	>	and is no longer restricted to 'V' e.g. "LI-T4.0.0.1436 Firebird 4.0 Beta 1"
91	>
92	>	9. TIBDataSet and TIBQuery: new property TZTextOption. Used to determine the default
93	>	format for rendering a time zone.
94	>
95	>	10. TIBDataSet and TIBQuery: new property DefaultTZDate. Used to provide the default date
96	>	to convert TIME WITH TIME ZONE data type values to and from GMT.
97	>
98	>	11. Unit name IBTypes changed to IBInternals. Internal interfaces TIBGUIInterface and TIBTimerInf renamed to
99	>	IIBGUIInterface and IIBTimerInf respectively.
100	>
101	>	12. Constants: DPBPrefix and TPBPrefix moved to IB unit. DPBConstantNames and TPBConstantNames
102	>	now accessible as properties of TIBDatabase and TIBTransaction respectively.
103	>
104	>	13. String Fields: when a fixed character with (CHAR) field is returned, it is now
105	>	truncated to its fixed character width rather than being right padded with
106	>	white space to the maximum data size.
107	>
108	>	14. TIBTable.Empty table. In additional to deleting all records in the underlying
109	>	table, the internal buffers are now also flushed ensuring that the TIBTable is
110	>	also empty.
111	>
112	>	15. TBatchSQLStatementReader: Line buffer is now cleared on call to reset.
113	>
114	>	16. TIBXControlService descendents: DatabaseName may now be set using a database
115	>	connect string. The database name is extracted from the connect string.
116	>
117	>	17. DBControlGrid: Minor bug fixes. avoid AV on form closure, avoid black panel
118	>
119	>	18. TIBExtract: Data type of COMPUTED By columns is no longer included in SQL.
120	>
121	>	19. Local database on Linux and with legacy API and FB 2.5 embedded server: fixed problem with password
122	>	not being present as required.
123	>
124	>	20. IBTreeView split into DBTreeView and IBTreeView. This former is an IBX indepedent
125	>	version that can be customised to work with other database drivers.
126	>
127	>	21. ISQLMonitor: use platform specific LineEnding to delimit messages. Avoids
128	>	unnecessary CR at end of line on Unix platforms.
129	>
130	>	22. ISQLMonitor: Unix: Default semaphore timeout increased from 1 second to 10
131	>	seconds in order to reduce risk of message loss.
132	>
133	>	23. ISQLMonitor: read and write count statistics now available via:
134	>	property TIBSQLMonitor.ReadCount;
135	>	IIBSQLMonitorHook.GetWriteCount: integer;
136	>
137	>	24. ISQLMonitor tidy up and unit split. IPC functions moved to new unit IBIPC.
138	>
139	>	IBX Change Log  version (2.3-5 Build 12350) Tue, 25 Aug 2020 16:11:02 +0100
140	>
141	>	1.  TIBStringField: when a string value is read from a dataset buffer, if the
142	>	number of UTF8 characters exceeds the string size then string is truncated
143	>	to the maximum string size. This is  usually a problem with fixed width columns
144	>	right padded with white space.
145	>
146	>	2.  SQLFiltered and SQLFilterParams added to TIBQuery, TIBTable and TIBDataset.
147	>	If SQLFiltered is set then when a dataset is opened, each line in the
148	>	SQLFilterParams property is assumed to be a SQL condition clause and
149	>	ANDed into the Where clause of the SQL Select statement provided as a
150	>	dataset property. Each such SQL condition thus acts as an additional filter
151	>	on the dataset.
152	>
153	>	3.  The Filtered property inherited from TDataset is no longer used for SQL (server
154	>	side filters).
155	>
156	>	4. IBLookupComboEditBox: Selection should no longer reset to start of text when
157	>	text matches complete entry.
158	>
159	>	5. TIBDataLink: Detail Dataset params not refreshed unless both master and detail
160	>	dataset are active (avoids risk of access violation if master is inactive)
161	>
162	>	6. TIBEvents: Registered property can now be set at design time even if database not open
163	>
164	>	7. TIBEvents: component now correctly re-initialised after call to UnregisterEvents.
165	>	This should prevent "spillover" of events between sessions.
166	>
167	>	8. TIBCustomDataset: GetNextRecord now called when reseting to first record of a unidirectional dataset.
168	>	This should ensure that the internal buffer is set up correctly and avoids
169	>	a duplicate initial row.
170	>
171	>	9. TIBStringField: DataSize now given as byte size of string less trailing any zero character.
172	>	That is, the DataSize should be the field size * character set width. The
173	>	value returned by DataSize is now the same as the Dataset buffer size reserved
174	>	for the field.
175	>
176	>	10. IBExtract: Tidyup of SQL generation. Avoid unnecessary double quotes.
177	>
178	>	11. TIBCustomDataset: Add checks on buffer sizes when copying data from row to field buffer
179	>	and vice-versa. This may result in an exception being raised (correctly) for
180	>	older programs when using dataset fields added to a form and the database has been
181	>	upgraded. For example, computed fields can change from 32-bit to 64-bit integers.
182	>	In such cases, the field needs to be deleted in the IDE fields editor and then
183	>	added back in.
184	>
185	>	12. IBCustomDataSet: CanInsert, CanEdit, CanDelete and CanRefresh updated to return
186	>	false if query contains only white space and not just empty.
187	>
188	>	12. IBCustomDataset: Blob data is now cleared when TDataSet.Cancel is called. This
189	>	should ensure that (e.g.) a TDBMemo is correctly refreshed after a dataset edit
190	>	is cancelled.
191	>
192	>	13. IBCustomDataset: SetArrayIntf should no longer cause an access violation if
193	>	called on a null field.
194	>
195	>	14. IBCustomDataSet: An access violation should no longer occur when calling CancelUpdates
196	>	results in an empty dataTC86                Client side Filtered Dataset    1       X
197	>	set.
198	>
199	>	15. IBCustomDataSet: OnUpdateError should now be called in all circumstances when
200	>	a cached update is applied and an exception is raised.
201	>
202	>	16. IBCustomDataSet: Avoid access violation when SetBookmarkData called with nil pointer.
203	>
204	>	17. Console Mode Local Database support: backup/restore should now work correctly.
205	>
206	>	18. Local Database Support: if an upgrade fails, a downgrade is now performed if
207	>	possible and an exception raised.
208	>
209	>	19. MinimumVersionNo added to Local Database Support. Database will not open if
210	>	below this version no. and upgrade not possible.
211	>
212	>	IBX Change Log  version (2.3-4 Build 12041) Fri, 17 Apr 2020 14:00:32 +0100
213	>
214	>	1.  TIBXDataSet and Generators: Generator Names that are not all upper case or
215	>	not SQL Identifiers are now supported.
216	>
217	>	2.  TIBXScript: Set Generator is no longer rejected as unrecognised SQL and is
218	>	passed to the Firebird engine for execution.
219	>
220	>	3.  TIBDataSet: Unidirectional datasets now give an error message if an attempt
221	>	is made to scroll back.
222	>
223	>	4.  New unit: IBMessages.pas. Contains only messages used by IBX and not FBIntf
224	>
225	>	5. TIBLookupComboEditBox: When generating auto-complete SQL, the ListField is now
226	>	only enclosed in double quotes in SQL dialect 3 and when it needs to be.
227	>
228	>	6. TIBLookupComboEditBox: when the list source opens, the ListField name is now
229	>	validated. If no match is found in the list of field names and the database has
230	>	been opened in SQL Dialect 3, then the ListField Name is converted to upper case
231	>	if it then matches a field name. Otherwise, a Listfield not valid exception occurs.
232	>
233	>	7. IBGeneratoreditor.pas: Add missing parenthesis around "IS" statement for compliance
234	>	with fpc 3.2.
235	>
236	>	IBX Change Log  version (2.3-3 Build 11512) Fri, 28 Dec 2018 10:04:17 +0000
237	>
238	>
239	>	1. New property for TIBDatabase and TIBXServicesConnection. This is "ConfigOverrides"
240	>	and is used to override the default settings in the client side "firebird.conf" This
241	>	includes "WireCompression" and "WireCrypt". The value of this property is a "TStrings".
242	>	Each line of the string list should be a setting in the same format as "firebird.conf".
243	>	For example "WireCompression = true" in order to request wire compression on the client side.
244	>
245	>	Note: explicit settings in the client side "firebird.conf" appear to take precedence
246	>	over settings given in TIBDatabase and TIBXServicesConnection. Many client side settings
247	>	also require a compatible setting in the server side "firebird.conf". For example
248	>	"WireCompression = true" must also be set in the server's "firebird.conf" for wire
249	>	compression to be used.
250	>
251	>	Whether or not WireCompression or WireCrypt are in use can be checked using the information
252	>	returned with the Client/Server protocol version. See ibx/examples/dbadmin and
253	>	ibx/examples/dbinfo for examples of how to display this information.
254	>
255	>	2. New property for TIBDatabase and TIBXServicesConnection: "WireCompression". This
256	>	is a "convenience" property. If set the "WireCompression=true" is added to the
257	>	ConfigOverrides. If unchecked then this setting is removed.
258	>
259	>	3. TIBExtract: 64-bit integer types are now correctly extracted as "BIGINT" and
260	>	not "INT64".
261	>
262	>	4. New published properties for TIBCSVDataOut, TIBInsertStmtsOut and TIBBlockFormatOut
263	>	These are:
264	>	property TimestampFormat: string;
265	>	property DateFormat: string;
266	>	property TimeFormat: string;
267	>
268	>	Respectively, these provide the date time format templates for SQL types: TIMESTAMP,
269	>	DATETIME and TIME. The format strings use the standard FPC date/time format
270	>	characters (see https://www.freepascal.org/docs-html/rtl/sysutils/formatchars.html).
271	>
272	>	If any of the above properties are set to an empty string, then the locale default
273	>	is used. This uses the ShortDateFormat and the LongTimeFormat. In timestamp, the
274	>	locale default is extended by appending '.zzz' to include milliseconds.
275	>
276	>	TIBCSVDataOut by default sets these properties to the empty string, while the other
277	>	two use: 'yyyy.mm.dd hh:nn:ss.zzz', 'yyyy.mm.dd' and 'hh:nn:ss.zzz' respectively.
278	>
279	>	5. New published property for TIBCSVDataOut:
280	>	property QuoteStrings: boolean (default true)
281	>
282	>	If false then strings are unquoted, otherwise, the QuoteChar property value is
283	>	used to delimit each and every string in the output.
284	>
285	>	6. New published properties for TIBCSVDataOut:
286	>	property FieldSeparator: string;
287	>	property HeaderSeparator: string;
288	>
289	>	Respectively, these provide the separator character(s) used to separate fields
290	>	in data and header rows. Both default to ','.
291	>
292	>	7. New published properties for TIBCSVDataOut and TIBBlockFormatOut:
293	>	TOnFormatTextString = procedure(sender: TObject; var TextString: string) of object;
294	>	property OnFormatTextString;
295	>
296	>	This event handler can be used to process text strings before they are included
297	>	in the output e.g. to replace unprintable characters with alternative strings.
298	>	This only applies to columns with an SQL Type of SQL_VARYING and SQL_TEXT.
299	>
300	>	8. TIBDataSet now raises an exception when ParamByName called with an invalid parameter name.
301	>	Uses "FindParam" if in order to find out if a parameter with a given name exists
302	>	and without raising and exception if it does not.
303	>
304	>	9. TIBQuery now uses IBX SQL Parser instead of the TParams SQL parser in order to ensure
305	>	consistency with SQL queries.
306	>
307	>	10. CaseSensitiveParameterNames property added to TIBSQL, TIBDataSet and TIBQuery.
308	>	When true, SQL statement parameter names are parsed case sensitive. Note for
309	>	TIBDataSet only applies to Select query.
310	>
311	>	11. IBEvents: removing a TIBEvent component from a form should no longer result in
312	>	an IDE exception.
313	>
314	>	12. LocalDBSupport: initial database creation should now work correctly
315	>	when the schema source is an sql file.
316	>
317	>	13. TIBCMLocalDBSupport: new event handler "property OnProgressEvent: TOnProgressEvent"
318	>	when defined, this handler will be called by the internal TIBXScript during
319	>	initial database creation when the schema source is an sql file and may be used
320	>	to provide a visual indication of progress in console mode.
321	>
322	>	14. TCustomIBLocalDBSupport: new public property "InOnCreateDB: boolean". This is set
323	>	to true while a new local database is being created and its schema populated.
324	>	Useful in (e.g.) TIBDatabase.OnAfterConnect handler to suppress actions
325	>	when the database is disconnected/connected during the create DB procedure.
326	>
327	>	15. TIBXScript: any User/password parameters found in a CREATE DATABASE statement
328	>	are now always ignored and replaced by the user name and password provided as
329	>	the login parameters for the TIBDatabase referenced from the TIBXScript. The
330	>	IgnoreCreateDatabase property still applies and the CREATE DATABASE statement is
331	>	completely ignored if this property is true.
332	>
333	>	16. Code tidyup in IBTreeView: Node properties initialisation moved from TIBTreeView.AddNodes
334	>	to TIBTreeView.Added. An OnAddition event handler is no longer needed to initialise
335	>	ImageIndex and SelectImageIndex values on AddNode.
336	>
337	>	17. TIBDatabase.Attachment and TIBXServicesConnection.ServicesIntf properties are now
338	>	read/write. This should enabled (e.g.) multiple instances of TIBDatabase to share
339	>	the same database connection.
340	>
341	>	18. TIBDataSet and TIBQuery now support the TDataSet "Filter" property.
342	>	if provided, this should be an conditional SQL expression suitable for
343	>	including in an SQL Select statement "where" clause. If non-empty and the
344	>	"Filtered" property is true then the SQL expression provided as the value of
345	>	the "Filter" property is "ANDed" with any existing condition statement
346	>	in the SQL statement's "Where" clause.
347	>
348	>	If the "Filter" property is set at run time, the "Filtered" property is true
349	>	and the dataset is already open, then the dataset is closed and re-opened automatically.
350	>
351	>	The "Filter" condition may include IBX style parameters. In which case, their
352	>	value must be set by the dataset's "OnBeforeOpen" event handler.
353	>
354	>	This is a public property for TIBDataSet and TIBQuery query and intended for
355	>	use at run time.
356	>
357	>	Note: The property is a published property of TIBTable. The TIBTable functionality
358	>	is unaffected by this change.
359	>
360	>	IBX Change Log  version (2.3-2) Wed, 05 Dec 2018 12:19:23 +0000
361	>
362	>	1. Remove need to check for IsMultiThread by providing access to GUI timers via
363	>	IBGUIInterface. Note: master/detail delay timer does not apply to console
364	>	mode apps.
365	>
366	>	2. TIBCustomDataSet: SQLParser ignored if it does not contain a valid select
367	>	statement. This avoids problems if "Execute Block" is used as the Query.
368	>
369	>	3. IBSQLParser now uses the common SQL tokeniser from fbintf. This replaces the
370	>	internal SQL tokeniser routines.
371	>
372	>	4. IBSQLParser: new property NotaSelectStmt. Set to true if SQL fails to parse
373	>	as a select statement, with or without CTEs.
374	>
375	>	5. IBSQLParser: parser now recognises the "ROWS" clause.
376	>
377	>	6. TIBXScript now uses the common SQL tokeniser from fbintf. This replaces the
378	>	internal SQL tokeniser routines.
379	>
380	>	7.  Fix error in TIBXScript processing of "set" statements. This avoids exceptions
381	>	being raised for valid set statements processed by a data formatter.
382	>
383	>	8. New published property for TIBDatabase and TIBXServicesConnection. This is
384	>	FirebirdLibraryPathName: string. If not empty it is used to explicitly specify
385	>	the path of the Firebird Library used by the database/services connection.
386	>
387	>	9. New read only public property for TIBDatabase and TIBXServicesConnection. This
388	>	is FirebirdAPI and returns the IFirebirdAPI interface used by the database/
389	>	services connection.
390	>
391	>	10.SQL Property editors now quote parameter names if "Quote identifier" is selected
392	>	or param name is not a valid SQL identifier.
393	>
394	>	11. IBLookupComboEditBox: In Lazarus 2.0, TDBLookupComboBox takes a more restrictive
395	>	view of whether the text box should be editable when no DataSource is specified.
396	>	TIBLookupComboEditBox has been updated to workaround this problem. As long as
397	>	ReadOnly is false, the text box is editable when no DataSource is specified.
398	>
399	>	12. AllowUseOfFBLIB is now set to "true" at design time. This is to allow use of
400	>	the FBLIB environment variable. If you do not want to permit this then you
401	>	must modify the Register procedure in the design/IBDBReg.pas unit to remove
402	>	this setting.
403	>
404	>	IBX Change Log  version                 (2.3-1) Thu, 25 Oct 2018 14:39:45 +0100
405	>
406	>	1. IBCustomDataset: replace deprecated function ValidUTF8String with call to
407	>	Utf8EscapeControlChars
408	>
409	>	IBX Change Log  version                (2.3-0) Mon, 16 Apr 2018 09:48:06 +0100
410	>
411	>	IMPORTANT: the source code tree has been re-organised for IBX 2.3. Please remove
412	>	all previous copies of the IBX source code tree before installing this release.
413	>
414	>	The IBX packages used by most users have not changed, with one exception. The
415	>	IBServices unit has been moved to the package iblegacyServices.lpk. To continue
416	>	to use the IBServices unit in your applications, please add the iblegacyServices
417	>	to the list of dependencies. To do this, open the Project Inspector and select
418	>	Add->New Requirement and select "ibLegacyServices" from the list of available
419	>	packages.
420	>
421	>	1. New unit IBXServices. The IBXServices unit is a re-architectured update of
422	>	the IBServices unit providing what is intended to be a clearer and easier to
423	>	use set of IB Services components. See Chapter 10 of the IBX User Guide for
424	>	more information and the guide to "Firebird Service Management Using IBX".
425	>	As indicated above, the legacy services components are still available and
426	>	provided in a separate package. There is no need to update working applications
427	>	using the older versions except for an additional package dependency.
428	>
429	>	2. The IBX packages and source code tree have been re-organised in an attempt to
430	>	finally get rid of the "duplicate ppu" warnings. This re-organisation should
431	>	not affect existing users. Section 2.3 of the IBX User Guide describes the
432	>	new set of IBX packages.
433	>
434	>	3. The ibx/examples/DBAdmin and the ibx/examples/services example have been
435	>	updated to use the new Services API components.
436	>
437	>	4. The iblocal package has been updated to use the new Services API components.
438	>
439	>	5. procedure SetAutoAdmin; in the new IBX Services this method is now a member of
440	>	TIBXSecurityService. It had been wrongly classified in the previous version
441	>	as a per database configuration item. It is global to a server and hence
442	>	correctly positioned as part of the Security Package. In the DBAdmin example,
443	>	the setting has moved to the mappings page.
444	>
445	>	6. TIBXScript: IgnoreCreateDatabase added. If true then CREATE DATABASE statements
446	>	are ignored.
447	>
448	>	7. TIBDatabase: DropDatabase now ensures that all transactions have been properly
449	>	closed before the database is dropped. Before and After Disconnect event handlers
450	>	are also fired.
451	>
452	>	8. TIBTransaction: OnStartTransaction event now fires every time the transaction
453	>	is started and not just the first time.
454	>
455	>	9. IBDataOutput: Use FormatFloat for all performance statistics to avoid platform
456	>	depenendency with comp type.
457	>
458	>	10. IBDataOutput: select query data output is now sent to stdout instead of stderr.
459	>
460	>	11. TIBDatabase: Remove regression. If a user login dialog changes the DatabaseName
461	>	then this is recognised and not ignored.
462	>
463	>	12. TIBDataSet, TIBQuery, TIBTable: additions:
464	>	function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
465	>	function GetPerfStatistics(var stats: TPerfCounters): boolean;
466	>	property EnableStatistics: boolean read FEnableStatistics write SetEnableStatistics;
467	>
468	>	GetRowsAffected returns the affected row counts from the last insert/update/delete
469	>	if EnableStatistics = true then GetPerfStatistics returns the current stats
470	>	counters for the select query. Note: stats accumulate after each fetch from
471	>	the database. To get total query cost after open, call the "Last" method
472	>	and then GetPerfStatistics.
473	>
474	>	See ibx/examples/consolemode for an example of the use of GetPerfStatistics
475	>
476	>	13. TIBExtract: Identity columns DDL. "Start with clause" now correctly encapsulated
477	>	in parenthesises.
478	>
479	>	14. TIBExtract: new published property "AlwaysQuoteIdentifiers". If true then in dialect 3
480	>	SQL identifiers are always delimited by double quotes. If false, then they are
481	>	only delimited if the identifier is a reserved word, contains lower case or special
482	>	characters. Set this property to true to retain previous behaviour.
483	>
484	>	15. Insert SQL Property Editor. In Insert Returning Clause, Identity column names
485	>	are now inserted in double quotes if not Reserved Words or valid SQL Identifiers.
486	>
487	>	16. TIBDataSet, TIBQuery, TIBTable: addition:
488	>	property MasterDetailDelay: integer {defaults to zero}
489	>
490	>	When non-zero and the dataset is a detail table referencing a master table
491	>	through either a MasterSource (TIBTable) or a DataSource (TIBDataSet, TIBQuery)
492	>	then a synchronisation delay is added (in milliseconds) between the master
493	>	row changing and the detail dataset being re-opened. If the master dataset
494	>	is scrolled before the delay expires then the delay is reset. This can be used
495	>	to avoid performance overheads when scrolling through a large master dataset.
496	>
497	>	Note: uses fptimer and hence requires a thread manager. Under Linux the
498	>	chreads unit must be included in your project. TTimer is not used in order
499	>	to avoid an LCL dependency. Requires FPC 3.0.2 or later.
500	>
501	>	17. TIBExtract: User role grants now excluded when etGrantsToUser not specified
502	>	with Extract Option eoDatabase.
503	>
504	>	18. TIBLookupComboEditBox: Workaround added for https://bugs.freepascal.org/view.php?id=33428
505	>	When a deLayoutChanged event is reported on the ListSource dataset, the
506	>	combobox text is updated. This allows a listsource (detail) to be in a Master/Detail
507	>	relationship with the control's datasource (master).
508	>
509	>	19. TIBExtract: Full BigInt value range now supported for Generators/Sequences.
510	>
511	>	20. TIBExtract: Select Procedures (Procedure type 1) now include "SUSPEND;" clause in their
512	>	stubs. Pedantic fix really, as procedures output in dependency order anyway.
513	>
514	>	21. TIBExtract: Package Headers and Package Bodies are now included in the extracted
515	>	DDL (Firebird 3 and later only).
516	>
517	>	22. TIBLookupComboBox Autocomplete Fixes:
518	>	i. Only appended text is now selected after autocomplete.
519	>	ii. Uppercase keys no longer ignored for autocomplete.
520	>	iii. Retain Prefix case is now honoured correctly.
521	>	iv. When a DataSource is assigned, typing after autocomplete now extends prefix
522	>	before autocomplete performed. i.e. behaviour now the same as when
523	>	no DataSource assigned.
524	>
525	>	23. TIBXScript: Single Line Comments starting with '--' are now ignored when occurring
526	>	between SQL statements.
527	>
528	>	24. TIBExtract: New published property CaseSensitiveObjectNames. If false (default) then
529	>	ObjectNames are converted to upper case before matching against metadata object
530	>	names, unless the objectname is delimited by double quotes, in which case, the
531	>	double quotes are removed and the remaining string is used (unmodified) to match
532	>	against the metadata object name.
533	>
534	>	If true then the ObjectName is used as is without modification and matched
535	>	against the metadata object name. No attempt is made to remove double quotes.
536	>
537	>	25. TIBExtract: New Extract Types: etDatabaseTriggers and etDDLTriggers. When used
538	>	with eoTrigger, these extract types can be used to select only Database Triggers,
539	>	or DDL Triggers or both. Ignored when etTable or etTrigger included in Extract Types.
540	>
541	>	26. TIBXScript: If an exception occurs during the processing of a statement, the
542	>	statement separate character is now reset to the default (';').
543	>
544	>	27. TIBDatabase: Reconnect method added and used by TIBXScript for reconnect.
545	>
546	>	28. TIBXScript: Transaction is no longer automatically reactivated immediately processing
547	>	a commit or reconnect statement and instead activated only when next SQL statement
548	>	is executed.
549	>
550	>	29. TIBSQL.HasField should no longer generate and exception when the field does not exist.
551	>
552	>	30. TIBXScript: case insensitive regex now used when matching statements instead of
553	>	converting statement to upper case.
554	>
555	>	31. TIBExtract: metadata comments now supported. New published property
556	>	IncludeMetaDataComments (default true). If true then metadata comments included
557	>	in extracted DDL. New Extract Object member eoComments. This may be used with
558	>	ExtractObject method to list all metadata comments.
559	>
560	>	32. TIBExtract: ListObjectNames method added.
561	>
562	>	33. Updated Database component editor to support additional connection string
563	>	types.
564	>
565	>	IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
566	>
567	>	NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
568	>	AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
569	>	RELEASE.
570	>
571	>	NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
572	>
573	>	1. IBExtract: Identity columns - add additional check for null column for generator name.
574	>
575	>	2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
576	>	The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
577	>	information). However, this is also a very useful mechanism for returning updated computed by
578	>	column values. Values returned as a result of executing an Insert or Update statement
579	>	replace existing values in the current row for each corresponding column.
580	>
581	>	Previously, if a dataset's select query included read only (computed by) fields then
582	>	an automatic row refresh was performed after an insert or update query had been processed,
583	>	irrespective of the setting of the "ForcedUpdates" property. This has changed such
584	>	that an automatic refresh is no longer performed if an insert or update query contains
585	>	a returning clause that updates one or more fields on the current row. A full row
586	>	refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
587	>	field values and the select query contains read only fields. Use of Insert/update
588	>	returning should be significantly more efficient than executing a refresh query.
589	>
590	>	This behaviour change is intended to be backwards compatible and there should be no need to change
591	>	existing programs, other than to improve performance by using the new capability.
592	>
593	>	3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
594	>	they are called when the dataset row is being deleted, there is no value in
595	>	updating the current record from the query result. Instead, a new event handler
596	>	"OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
597	>	an OnDeleteReturning event handler is provided then it is called with the IResults returned
598	>	by the query. The event handler can then interrogate the query results and
599	>	perform whatever action is necessary. For example to confirm, to the user,
600	>	the deletion of a row with the returned values.
601	>
602	>	4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
603	>	any Computed By or Identity Columns. The IBTables example has been updated to
604	>	illustrate the computation of the employee Full Name on update.
605	>
606	>	5. TIBTable: The GeneratorField property is now published.
607	>
608	>	6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
609	>	When InsertSQL is generated, the Identity columns are not included in the list of values to
610	>	be inserted. A RETURNING clause is added to the insert statement to return the value of
611	>	each Identity column after the insert is executed.
612	>
613	>	7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
614	>	Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
615	>	Insert..Returning clause.
616	>
617	>	8. TIBGenerator: small performance improvement by not preparing query each time
618	>	a new value is generated.
619	>
620	>	9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
621	>
622	>	10. Property editors will now sync table name to a System Table when "Include System
623	>	Tables" is selected and the query is for a System Table.
624	>
625	>	11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
626	>	values are no longer converted to milliseconds from TDateTime and then back again
627	>	to TDateTime (the conversion to milliseconds is the default TDataset approach).
628	>
629	>	12. Property Editors handling of Stored Procedures.
630	>	* Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
631	>	which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
632	>	query).
633	>	* Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
634	>
635	>	13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
636	>	can be used to select a package. If non-empty, the stored procedure name is
637	>	expected to be a stored procedure defined in the specified package and the
638	>	generated SQL will be as required for a stored procedure located in a package.
639	>
640	>	14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
641	>	a "Package Name" drop down box to allow selection of a Firebird 3 Package from
642	>	which a stored procedure can be selected. With no package name selected, non-package
643	>	stored procedures are listed.
644	>
645	>	15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
646	>	for password on reconnect.
647	>
648	>	16. TIBDatabase: use IAttachment for connection default character set id, code page
649	>	and character set name.
650	>
651	>	17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
652	>	DB info lookups"
653	>
654	>	18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
655	>
656	>	19. Add a property Editor for TIBUpdate.RefreshSQL.
657	>
658	>	20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
659	>	parameters. This stops an exception being raised when the field cannot be
660	>	located in the record buffer.
661	>
662	>	21. Property Editors now automatically include System Tables when opened and when the query table
663	>	is a System Table.
664	>
665	>	22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
666	>	This avoids errors due to a stale SQRB or SRB being used for the next query.
667	>
668	>	23. IBServices: Service attach parameters now include "expected_db". This is used to
669	>	add the SPB item isc_spb_expected_db. This names a database using
670	>	an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
671	>	database. examples/services re-written to illustrate use of "expected_db".
672	>
673	>	24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
674	>	This avoids truncated backups when the server returns a timeout (busy) response.
675	>
676	>	25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
677	>
678	>	26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
679	>	databasenames. These are respectively expanded to the local system's temp directory
680	>	(including trailing delimiter) or to a prescribed data directory (including
681	>	trailing delimiter). Under Unix systems the data directory is a hidden directory
682	>	in the user's home directory. The hidden directory name is either the string returned
683	>	from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
684	>	Under Windows, the directory is the same as the Data Directory as decribed
685	>	above but instead prefixed by the User's application data path. These may be
686	>	used to improve application portability for Personal Databases.
687	>
688	>	27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
689	>	this has not worked for a long time and is not useful either. FieldDefs should be
690	>	managed using the Fields Editor as with any other dataset. To access the fields
691	>	editor for a TIBTable component, double click on the component. The fields editor
692	>	is then displayed.
693	>
694	>	28. TIBDatabaseInfo: new properties/function
695	>	* DateDBCreated (returns date/time database created)
696	>	* TransactionCount (returns no. of active transactions)
697	>	* GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
698	>	* PagesFree (Firebird 3 or later)
699	>	* PagesUsed (Firebird 3 or later)
700	>	* Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
701	>	* EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
702	>
703	>	29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
704	>
705	>	30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
706	>
707	>	31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
708	>	the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
709	>
710	>	32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
711	>	in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
712	>	firing during backup and restore.
713	>
714	>	33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
715	>	for verbose output using the new property "StatisticsRequested".
716	>	see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
717	>
718	>	34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
719	>
720	>	35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
721	>	palette. This uses the online validation feature added in Firebird 2.5. The
722	>	services's properties enable inclusion/exclusion of tables and indexes using
723	>	regular expressions. See.
724	>	https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
725	>
726	>	36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
727	>	option on a database.
728	>
729	>	37. TIBCustomService: Assign method implemented to allow copying of service login
730	>	context between service API components. "Detach" method now only detaches
731	>	service when last reference to the service interface detaches. Tidy up of
732	>	code for SetActive and Attach methods including password hiding.
733	>
734	>	38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
735	>	and used to determine the auth method and protocol used for the connection.
736	>
737	>	39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
738	>	a Create Database Statement generated by IBX.
739	>
740	>	40. All IBServices now have an additional published property "PortNo". This may
741	>	be set to a non-standard port number when necessary. If zero then the default
742	>	port number is used.
743	>
744	>	41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
745	>	and not just the mouse.
746	>
747	>	42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
748	>
749	>	43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
750	>	image index and selected image index for each node to be set from a database field.
751	>
752	>	44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
753	>	then database schema includes grants to all users. If not present then the
754	>	only user grants included are those to User PUBLIC.
755	>
756	>	45. TIBTreeView: performance improvement. When expanding include both expanded node
757	>	and child nodes in dataset.
758	>
759	>
760	>	IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
761	>
762	>	1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
763	>	changes.
764	>
765	>	2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
766	>	Bug could result in truncated multi-byte character set values.
767	>
768	>	3. Changes consequential on moving fbintf character set utility functions from
769	>	IFirebirdAPI to IAttachment.
770	>
771	>	4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
772	>
773	>	5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
774	>	results in autocomplete ignoring prefix text.
775	>
776	>	6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
777	>	entering a new name into the text box.
778	>
779	>	7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
780	>	Firebird rather than recomputing it.
781	>
782	>	8. Property Editor positioning tidy up: All IBX Property editors should now be
783	>	screen centre. Previously some were "poDesigned" which may be inappropriate
784	>	for multi monitor desktops.
785	>
786	>	10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
787	>
788	>	11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
789	>	a transaction and always reset the object.
790	>
791	>	12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
792	>
793	>	13. TIBXScript: Allow for override of database filename in Create Database statements.
794	>
795	>	14. IBLocaldb: Support initialisation of the database from an SQL script in addition
796	>	to a gbak format archive.
797	>
798	>	15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
799	>
800	>	16. IBLocaldb: Drop database if error creating an empty database.
801	>
802	>	17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
803	>	unless selected node not in current dataset.
804	>
805	>	18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
806	>	to TIBCustomService, and IBlocalDB code tidy up.
807	>
808	>	19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
809	>	behaviour due to uninitialised variable.
810	>
811	>	20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
812	>	integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
813	>
814	>	21. IBSQL: When Database changed ensure that all resources are freed.
815	>
816	>	22. IBCustomDataset: When database changed ensure that queries an unprepared.
817	>
818	>	23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
819	>	* Line Wrap on SQL Token boundaries (on user command)
820	>	* auto-complete table names in drop down list of table names
821	>	* Double click on tablename or field name adds to SQL text
822	>
823	>	24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
824	>
825	>	25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
826	>	TVariantArray. Seems to avoid memory corruption in Windows (probably a
827	>	workaround for a problem in fpc 3.0.4 win64).
828	>
829	>	26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
830	>
831	>	27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
832	>
833	>	IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
834	>
835	>	1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
836	>	include remote system name.
837	>
838	>	2. TIBExtract: No longer include comment header and COMMIT statement for empty
839	>	tables when data included in output.
840	>
841	>	3. Profiling: IBSQL now has conditional compilation flags to enable query performance
842	>	and timing information to be written to stdout. This may be used to locate
843	>	performance bottlenecks.
844	>
845	>	4. SQLParser: only call "OnChanging" event handler when value is different.
846	>
847	>	5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
848	>
849	>	6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
850	>	that BindFields is called when the query is next activated. Avoids FieldName
851	>	not found error.
852	>
853	>	7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
854	>	purpose and allows the programmer to define any action they want for Update, Insert
855	>	or Delete. This may be complex SQL (similar to a Trigger), application specific
856	>	filtering of updates, or use of statements such as Grant or Revoke instead of
857	>	normal DML. See User Manual for more information.
858	>
859	>	IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
860	>
861	>	1. TIBEvents: Fix uninitialised variable that could result in lost events.
862	>
863	>	2. TIBExtract: Added support for FB3 "USAGE" privilege.
864	>
865	>	3. TIBExtract: data formatted as Charset set "octets" is now output using
866	>	hexadecimal notation.
867	>
868	>	4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
869	>	using a simple XML format.
870	>
871	>	5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
872	>	grants to these objects.
873	>
874	>	6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
875	>	dependency problems restoring complex databases.
876	>
877	>	7. TIBXScript: This component has been restructured to allow for the processing of
878	>	embedded XML in INSERT statements and to support interactive sources in addition
879	>	to non-interactive data sources such as files.
880	>
881	>	8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
882	>
883	>	9. TIBXScript: ISQL compatiable Set statements are now supported:
884	>	SET SQL DIALECT
885	>	SET TERM
886	>	SET AUTODDL
887	>	SET BAIL
888	>	SET ECHO
889	>	SET COUNT
890	>	SET STATS
891	>	SET NAMES <character set>
892	>
893	>	10. IBVersion unit added to hold current IBX Version Number information.
894	>
895	>	11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
896	>	and domain definitions.
897	>
898	>	12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
899	>	fully supported.
900	>
901	>	13. TIBExtract: when a database dump includes data, the generator values are now also set.
902	>
903	>	14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
904	>
905	>	IBX Change Log  version     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
906	>
907	>	See also doc/IBX4LazarusGuide.pdf for important information on
908	>	upgrading to IBX2.
909	>
910	>	1. Size property of TIBStringField is now the width in characters of the field
911	>	and not the byte length. This applies only to multi-byte character sets such
912	>	as UTF8. The original approach aligned with TStringField. However, the TStringField
913	>	code is not recognised as a bug and hence this change to align the behaviour.
914	>	The TStringField change is expected in fpc 3.2.0.
915	>
916	>	2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
917	>	true (default) then Size property value saved in the lfm is ignored. Size is
918	>	always set from the dynamic information read from the database. It is unclear
919	>	why anyone would want to override this and set Size to false.
920	>
921	>	3. ibxscript: should now handle correctly a Case..End statement within a procedure
922	>	block.
923	>
924	>	4. IBDatabase: new property - CreateIfNotExists. If true and database does not
925	>	exist when an attempt is made to connect to it (run time only) then an attempt
926	>	is made to create the database.
927	>
928	>	5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
929	>	has been successfully created as a result of a call to CreateDatabase or when
930	>	creating a database after it was found not to exist.
931	>
932	>	6.  DBControlGrid: a race condition could result in the wrong row image being
933	>	written to the cache. This has been avoided by a trip round the message
934	>	loop before rendering the row image.
935	>
936	>	7.  DBControlGrid: It is strongly recommended not to open the source DataSet for
937	>	a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
938	>	known to risk corrupt rendering of row images when the control is first
939	>	displayed. If necessary use "Application.QueueAsyncCall" to delay opening
940	>	of the dataset (see DBControlGrid examples) until the Form's Window has been created.
941	>
942	>	8.  DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
943	>	a TDateEdit control located on an editor panel.
944	>
945	>	9.  TIBExtract: brought up-to-date plus many bug fixes.
946	>
947	>	10. DBControlGrid: Removed memory leak when updating rows.
948	>
949	>	11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
950	>
951	>	IBX Change Log  version                                           (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
952	>
953	>	1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
954	>	when target codepage is CP_NONE. This is a workaround for
955	>	http://bugs.freepascal.org/view.php?id=30622.
956	>
957	>	2. DBLog option removed from TIBStatisticalService - not supported by server
958	>	since Firebird 1.5.
959	>
960	>	3. ibxscript: An error is no longer generated for "on commit preserve rows" or
961	>	similar.
962	>
963	>	4. IBCodePage: updated mapping between codepages and character id.
964	>
965	>	5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
966	>	Firebird. Character sets with a char width of two are not UTF16.
967	>
968	>	6. Strings received from the database are now always transliterated into UTF8
969	>	regardless of the database character set or connection character set. This
970	>	is for compatibility with the LCL.
971	>
972	>	IBX Change Log  version  (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
973	>
974	>	1. IBBlob: Defer reading of blob until read method called. This avoids having to
975	>	read in an entire blob just to get the size of the blob. General performance
976	>	improvement when opening datasets containing blobs.
977	>
978	>	2. Clearing a  Blob now sets the corresponding field's modified flag.
979	>
980	>	3. IBLookupCombo: When not performing auto-complete, original query sort order
981	>	is now used.
982	>
983	>	4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
984	>	determined.
985	>
986	>	5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
987	>
988	>	6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
989	>	lazarus 1.6.0
990	>
991	>	7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
992	>	compilation error.
993	>
994	>	IBX Change Log  version                                 (1.4-1) Tue, 17 May 2016 09:14:51 +0100
995	>
996	>	1. No character set specified for connection: when a text blob is retrieved, the
997	>	character set is determined by looking up the native character set using then
998	>	Firebird API. Otherwise a text mode blob is assumed to have the same character
999	>	set as the connection.
1000	>
1001	>	2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
1002	>	for Login Dialog returing a change to the database path.
1003	>
1004	>	3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
1005	>	to be changed from that given in the TIBDatabase/TIBServer component and for the
1006	>	entered value to be saved on a project specific basis (design time only).
1007	>
1008	>	4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
1009	>	column fieldname. If they are the same then it is acts as a look up for the KeyValue
1010	>	Otherwise, it sets the column text to the selected ListField Value.
1011	>
1012	>	5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
1013	>	column width.
1014	>
1015	>	6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
1016	>	and a case insensitive search is requested.
1017	>
1018	>	7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
1019	>	or column ListSource.
1020	>
1021	>	8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
1022	>	unprepare) when closing and the text has not changed.
1023	>
1024	>	9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
1025	>	Less likely to cause a cursor re-use error on Windows.
1026	>
1027	>	10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
1028	>	Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
1029	>
1030	>	11. TIBTreeView: Guard against nil destination on record changed
1031	>
1032	>	12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
1033	>	string type with the code page set to reflect the returned field encoding after
1034	>	Firebird driver transliteration, if any.  FPC 3.0.0 onwards only. Behaviour unchanged for
1035	>	earlier versions.
1036	>
1037	>	13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
1038	>	will now result in transliteration to the code page specified for the Firebird driver
1039	>	if the assigned string has a different code page. FPC 3.0.0 onwards only.
1040	>
1041	>	14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
1042	>	is ignored and the lc_ctype value, when the database is opened, is set to align with
1043	>	the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
1044	>	platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
1045	>	3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
1046	>	the GETACP is used to determine the Windows code page.
1047	>
1048	>	15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
1049	>	name used as the lc_ctype when the database was opened. Only valid while the
1050	>	Database is connected.
1051	>
1052	>	16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
1053	>	id that corresponds to the DefaultCharSetName.
1054	>
1055	>	IBX Change Log  version                          (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
1056	>
1057	>	1. Unix: If Firebird Embedded Server shared object is loaded and a local database
1058	>	path is given and database attach fails due to access permission issues on the
1059	>	temp directory or security database, then the attach is retried with "localhost:"
1060	>	prefixing the databasename. This should avoid problems when the database has to
1061	>	be accessed by a local (e.g. classic) server and libfbembed is used.
1062	>
1063	>	2. Windows: revised search order for Firebird DLL:
1064	>	i.   The Firebird Embedded Server in the application Directory.
1065	>	ii.  If the FIREBIRD environment variable is set then the directory this
1066	>	points to is searched for the FB Client DLL and then then underlying
1067	>	"bin" directory.
1068	>	iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
1069	>	is used to locate the Firebird installation directory and the underlying
1070	>	"bin" directory is searched for the FB Client DLL.
1071	>	iv.  The Default installation directories C:\Program Files\Firebird\Firebird_2_x
1072	>	are searched for the FB Client DLL.
1073	>	v.   The PATH Environment variable is used to search for the FB Client DLL.
1074	>	vi.  Finally the  PATH Environment variable is used to search for IBASE.DLL.
1075	>
1076	>	3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
1077	>	See doc/readme.scriptengine and example applications.
1078	>
1079	>	4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
1080	>	simplify the use of the embedded firebird server on both Linux and Windows platforms.
1081	>	See dpc/readme.localdatabase and example applications.
1082	>
1083	>	5. IBDynamicGrid: Reordering on column header click should now also work for
1084	>	dynamic columns.
1085	>
1086	>	6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
1087	>	between incrementing/decrementing the lock count and signalling the event.
1088	>
1089	>	IBX Change Log  version           (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
1090	>
1091	>	1.3.2 was never formally released and only made available as beta copies.
1092	>
1093	>	1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
1094	>
1095	>	2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
1096	>
1097	>	3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
1098	>
1099	>	4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
1100	>	i.e. when it is a calculated field
1101	>
1102	>	5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
1103	>	This problem was due to a race condition between recalculating row heights and
1104	>	determining which row was selected by the mouse click. The row height calculation
1105	>	is now deferred by an extra trip round the message loop allowing the row to
1106	>	be always calculated on the current grid layout rather than risking it being
1107	>	calculated on the grid layout after the expanded row has been shrunk.
1108	>
1109	>	6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
1110	>	Windows.
1111	>
1112	>	7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
1113	>	These properties allow the (Firebird) character set name for the field and the max number of bytes per character
1114	>	to be determined at runtime. See doc/readme.charactersets.html.
1115	>
1116	>	8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
1117	>	TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
1118	>
1119	>	9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
1120	>	TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
1121	>	1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
1122	>
1123	>	Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
1124	>	from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
1125	>	implies no truncation.
1126	>
1127	>	10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
1128	>
1129	>	11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
1130	>	(avoids "Not in Edit Mode" error).
1131	>
1132	>	12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
1133	>
1134	>	13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
1135	>	DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
1136	>
1137	>	14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
1138	>
1139	>	15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
1140	>
1141	>	16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
1142	>
1143	>	17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
1144	>
1145	>	IBX Change Log  version        (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
1146	>
1147	>	1.   OnCloseUp Event Handler added to TDBLookupProperties
1148	>
1149	>	2.   IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
1150	>	problem with row size when exception is called.
1151	>
1152	>	3.   IBLookupComboEditBox: Force pending autocomplete on combobox exit.
1153	>
1154	>	4.   IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
1155	>	in a TCustomComboBox and ignores return key if in a TCustomMemo
1156	>
1157	>	5.   IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
1158	>	keyed in i.e. when autocomplete not performed
1159	>
1160	>	6.   Cleanup of "Uses" clauses and add console mode support. IBX should now support
1161	>	console mode applications with all LCL required functions (builtin dialogs and
1162	>	cursor management) centralised in the  IBDialogs unit. As long as "IBDialogs" is
1163	>	not included in your project, IBX should compile and link with a console mode program.
1164	>	See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
1165	>	console mode application or the IDE will automatically assume that your
1166	>	application is GUI based. Instead, you should include the ibexpressconsolemode package.
1167	>
1168	>	IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
1169	>	to use the built in dialogs and cursor management. IBDialogs is
1170	>	included by default if "ibexpress" is in your project source's "uses" clause.
1171	>	This should be the case for all projects created through the IDE. This is why
1172	>	you do not want to add the ibexpress package to console mode applications. The
1173	>	ibexpressconsolemode package has been created to allow console mode programs
1174	>	to avoid adding LCL dependencies when using IBX, while still having the
1175	>	unit search paths set up correctly.
1176	>
1177	>	Existing users should check to ensure that the "ibexpress" unit is included in
1178	>	each project's source file (*.lpr).
1179	>
1180	>	You may find that in order for the IDE to recognise that ibexpressconsolemode
1181	>	exists, you have to first open the package in the IDE and then close it. This
1182	>	adds it to the most recently accessed packages list. To make it permanently
1183	>	available, add the package name to lazarus' staticpackages.inc file.
1184	>
1185	>	Thanks to Julio Jiménez for suggesting support of console mode.
1186	>
1187	>	7.   SQL Parser can now accept quoted strings that include new lines
1188	>
1189	>	8.   IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
1190	>	of text on start of edit. This is particularly useful when tabbing to a
1191	>	column and then inserting text.
1192	>
1193	>	9.   New Examples provided for IB Services and ISQLMonitor.
1194	>
1195	>	10. Fix error when writing to blob streams that recorded only the last buffer
1196	>	write in the blob stream. In most cases, this did not cause a problem as the
1197	>	IB Blob Stream is written in a single write. However, with the TDBImage, write
1198	>	of a graphic type prefix was lost which caused a problem when the image could
1199	>	not be automatically recognised.
1200	>
1201	>	11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
1202	>	already open" errors due to random numbers used for the cursor name being identical.
1203	>
1204	>	12. IBTable: corrected error that could result in an "Index out of bounds" error
1205	>	when opening the table and the Primary Key is the last or only column in the
1206	>	table. Thanks to Rick Hoover for the fix.
1207	>
1208	>	13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
1209	>	of "UTF-8", and update list of available database character sets. Existing
1210	>	users should check the current lc_ctype setting in their applications.
1211	>
1212	>	IBX Change Log  version  (1.2-4) Sat, 09 May 2015 12:38:29 +0100
1213	>
1214	>	1.  Firebird Services: avoid List Index error when opening a service with an
1215	>	empty Params property.
1216	>
1217	>	2.  IBControls: Fix problem with new link mechanism introduced in 1.2.3.
1218	>	Link now set up in Loaded method - avoids occasional failure to apply
1219	>	SQL markup on initial open.
1220	>
1221	>	3.  "Employees" example performance improvements when scrolling.
1222	>
1223	>	4.  DBControlGrid: Correctly handle edit panel removal when panel is child control of a
1224	>	TFrame. Force recaching of selected frame to avoid GTK race (results in a
1225	>	random image cached).
1226	>
1227	>	5.  DBControlGrid: Should now react to changes in panel height at run time.
1228	>
1229	>	6.  IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid
1230	>	even when further rows exist.
1231	>
1232	>	7.  DBControlGrid: DefaultRowHeight is no longer a published property as it should
1233	>	always be derived from panel height and setting this property can cause confusion.
1234	>	Note for existing projects: to avoid a missing property error at run time,
1235	>	each form using the DBControlGrid must be opened, updated and saved in the IDE
1236	>	in order to remove the property value from the lfm.
1237	>
1238	>
1239	>	IBX Change Log  version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
1240	>
1241	>	1.  TIBStoredProc. Prepare now called by ParamByName to avoid need to always
1242	>	call Prepare before setting parameter values.
1243	>
1244	>	2.  Error message on ParamByName (all cases) not found now includes name of missing parameter.
1245	>
1246	>	3.  Code tidyup and more robust handling of dsql information result vector.
1247	>
1248	>	4.  Support for centralised handling of transaction status changes. TIBTransaction
1249	>	has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
1250	>	and "AfterExecQuery". The first three are called after the same event is called
1251	>	for an IBCustomDataSet descendent using the Transaction. The fourth is called
1252	>	after a call to TIBSQL.ExecQuery, again using this transaction. These new events
1253	>	enable monitoring of transaction status changes for a given transaction to be
1254	>	handled in a single place. For example, when a change to the dataset occurs
1255	>	an indicator can be set that shows the user that in order to save changes,
1256	>	the transaction should be committed.  Rather than doing this per dataset, this
1257	>	can now be done per transaction.
1258	>
1259	>	5.  TDataSet.CheckBrowseMode automatically posts changes to the current row when
1260	>	the dataset is scrolled. However, any changes to the current row are, by default,
1261	>	discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
1262	>	have a new property "DataSetCloseAction" that adds automatic posting of changes
1263	>	on dataset close. If this property is set to dcDiscardChanges (default) then the
1264	>	behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
1265	>	then IBX will attempt to post any unsaved changes before the dataset is closed
1266	>	(and after the BeforeClose event handler is called). The exception is when the
1267	>	dataset is being closed as a result of a transaction rollback. In this case,
1268	>	no action is taken and any unsaved  changes are discarded. This avoids both
1269	>	unnecessary overhead and the risk that a validation error may occur in the Post
1270	>	raising an exception and thereby preventing a rollback.
1271	>
1272	>	6.  String Field sizes and Display Widths should now be correct for multi-byte character sets.
1273	>	In earlier versions, the Display Width was set to the maximum byte width rather than the character
1274	>	width. Display Widths are now corrected by dividing by the max byte width per character.
1275	>	For UTF8 character sets, the byte width is four and hence the Display Width will be
1276	>	the byte width divided by 4. The byte width of each character set is determined
1277	>	dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
1278	>	system table. (see also http://bugs.freepascal.org/view.php?id=27766).
1279	>
1280	>	7.  SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
1281	>
1282	>	8.  IBLookupComboEditBox: List should now always be restored to full list when the
1283	>	control loses focus. Default Key press default interval reduced to 200ms.
1284	>
1285	>	9.  DBControlGrid: Ensure that selection is changed to newly appended row, even
1286	>	when dataset rows are less than visible rows.
1287	>
1288	>	10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
1289	>	does not exist or DataSet is empty. More responsive on dataset open. New event
1290	>	OnRestorePosition. Column sort disabled if no header row.
1291	>
1292	>	11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
1293	>	while dataset state is dsInsert. Avoids posting errors.
1294	>
1295	>	12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
1296	>	avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
1297	>
1298	>	13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
1299	>
1300	>	14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
1301	>	to solve a specific problem. That is when the dataset cursor is moved (e.g. by
1302	>	a grid mouse click and the current row is being edited or inserted. In this case, TDataset
1303	>	always "posts" the current record regardless or whether or not it may be more appropriate
1304	>	to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
1305	>	"MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
1306	>	as the first action of the "Post" method and allows the handler to convert the Post
1307	>	into a Cancel if that is the appropriate action on moving to a different row. This is
1308	>	achieved by returning with "CancelPost" argument set to true. Note that an exception could be
1309	>	raised here, but it may still be more appropriate to validate a post and signal
1310	>	a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
1311	>
1312	>	15. On Unix derived systems, the Firebird library name can now be given as a colon
1313	>	separated list. Each library name on the list is tried in turn, in left to right
1314	>	order with the first found being used as the firebird library. By default, on Linux,
1315	>	the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
1316	>	overidden by the FBLIB environment variable or the OnGetLibraryName function.
1317	>
1318	>	Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
1319	>	then it will still attempt to access the database via the Firebird Server and will
1320	>	require a username and password. If only the pathname is given, then the username
1321	>	and password should be omitted and the unix file permissions are used to grant
1322	>	access.
1323	>
1324	>	IBX Change Log  version  (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
1325
1326		1.  A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
1327		rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
1328		that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
1329	<	correspondes to a row of the linked DataSource. Any data aware control on the
1329	>	corresponds to a row of the linked DataSource. Any data aware control on the
1330		replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
1331
1332		2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
#	Line 18 | Line 1341 | IBX Change Log  version
1341		committed.
1342
1343		4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
1344	<	using the legacy Firebird API. Thanks to Gabor Boros for helping to this feature.
1344	>	using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
1345
1346	<	IBX Change Log  version                                                   (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
1346	>	IBX Change Log  version      (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
1347
1348		Development version only.
1349
1350	<	IBX Change Log  version                                      (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
1350	>	IBX Change Log  version   (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
1351
1352		1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
1353		This is typically used during an "OnBeforeOpen" event handler to manipulate the
#	Line 84 | Line 1407 | IBX Change Log  version
1407		8. Three new examples illustrate the use of the new IB Controls
1408
1409
1410	<	IBX Change Log  version                      (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
1410	>	IBX Change Log  version  (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
1411
1412		1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
1413		setting performance. See "readme.field+param.names in the doc folder.(Thanks to

Comparing ibx/trunk/changelog (property svn:eol-style):
Revision 25 by tony, Sat Mar 14 10:44:03 2015 UTC vs.
Revision 380 by tony, Mon Jan 10 10:13:17 2022 UTC

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