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Revision 287 by tony, Thu Apr 11 08:51:23 2019 UTC

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1 < IBX Change Log  version                                   (2.1-1) Fri, 12 Jan 2018 10:13:29 +0000
1 > IBX Change Log  version (2.3-4 Build 11661) Thu, 11 Apr 2019 09:43:38 +0100
2  
3 < 1. IBExtract: Identity columns - add addition check for null column for generator name.
3 > 1.  TIBXDataSet and Generators: Generator Names that are not all upper case or
4 >    not SQL Identifiers are now supported.
5 >
6 > 2.  TIBXScript: Set Generator is no longer rejected as unrecognised SQL and is
7 >    passed to the Firebird engine for execution.
8 >
9 > IBX Change Log  version (2.3-3 Build 11512) Fri, 28 Dec 2018 10:04:17 +0000
10 >
11 >
12 > 1. New property for TIBDatabase and TIBXServicesConnection. This is "ConfigOverrides"
13 >   and is used to override the default settings in the client side "firebird.conf" This
14 >   includes "WireCompression" and "WireCrypt". The value of this property is a "TStrings".
15 >   Each line of the string list should be a setting in the same format as "firebird.conf".
16 >   For example "WireCompression = true" in order to request wire compression on the client side.
17 >
18 >   Note: explicit settings in the client side "firebird.conf" appear to take precedence
19 >   over settings given in TIBDatabase and TIBXServicesConnection. Many client side settings
20 >   also require a compatible setting in the server side "firebird.conf". For example
21 >   "WireCompression = true" must also be set in the server's "firebird.conf" for wire
22 >   compression to be used.
23 >
24 >   Whether or not WireCompression or WireCrypt are in use can be checked using the information
25 >   returned with the Client/Server protocol version. See ibx/examples/dbadmin and
26 >   ibx/examples/dbinfo for examples of how to display this information.
27 >
28 > 2. New property for TIBDatabase and TIBXServicesConnection: "WireCompression". This
29 >   is a "convenience" property. If set the "WireCompression=true" is added to the
30 >   ConfigOverrides. If unchecked then this setting is removed.
31 >
32 > 3. TIBExtract: 64-bit integer types are now correctly extracted as "BIGINT" and
33 >   not "INT64".
34 >
35 > 4. New published properties for TIBCSVDataOut, TIBInsertStmtsOut and TIBBlockFormatOut
36 >   These are:
37 >    property TimestampFormat: string;
38 >    property DateFormat: string;
39 >    property TimeFormat: string;
40 >
41 >   Respectively, these provide the date time format templates for SQL types: TIMESTAMP,
42 >   DATETIME and TIME. The format strings use the standard FPC date/time format
43 >   characters (see https://www.freepascal.org/docs-html/rtl/sysutils/formatchars.html).
44 >
45 >   If any of the above properties are set to an empty string, then the locale default
46 >   is used. This uses the ShortDateFormat and the LongTimeFormat. In timestamp, the
47 >   locale default is extended by appending '.zzz' to include milliseconds.
48 >
49 >   TIBCSVDataOut by default sets these properties to the empty string, while the other
50 >   two use: 'yyyy.mm.dd hh:nn:ss.zzz', 'yyyy.mm.dd' and 'hh:nn:ss.zzz' respectively.
51 >
52 > 5. New published property for TIBCSVDataOut:
53 >     property QuoteStrings: boolean (default true)
54 >
55 >   If false then strings are unquoted, otherwise, the QuoteChar property value is
56 >   used to delimit each and every string in the output.
57 >
58 > 6. New published properties for TIBCSVDataOut:
59 >    property FieldSeparator: string;
60 >    property HeaderSeparator: string;
61 >
62 >   Respectively, these provide the separator character(s) used to separate fields
63 >   in data and header rows. Both default to ','.
64 >
65 > 7. New published properties for TIBCSVDataOut and TIBBlockFormatOut:
66 >    TOnFormatTextString = procedure(sender: TObject; var TextString: string) of object;
67 >    property OnFormatTextString;
68 >
69 >   This event handler can be used to process text strings before they are included
70 >   in the output e.g. to replace unprintable characters with alternative strings.
71 >   This only applies to columns with an SQL Type of SQL_VARYING and SQL_TEXT.
72 >
73 > 8. TIBDataSet now raises an exception when ParamByName called with an invalid parameter name.
74 >   Uses "FindParam" if in order to find out if a parameter with a given name exists
75 >   and without raising and exception if it does not.
76 >
77 > 9. TIBQuery now uses IBX SQL Parser instead of the TParams SQL parser in order to ensure
78 >   consistency with SQL queries.
79 >
80 > 10. CaseSensitiveParameterNames property added to TIBSQL, TIBDataSet and TIBQuery.
81 >    When true, SQL statement parameter names are parsed case sensitive. Note for
82 >    TIBDataSet only applies to Select query.
83 >
84 > 11. IBEvents: removing a TIBEvent component from a form should no longer result in
85 >    an IDE exception.
86 >
87 > 12. LocalDBSupport: initial database creation should now work correctly
88 >    when the schema source is an sql file.
89 >
90 > 13. TIBCMLocalDBSupport: new event handler "property OnProgressEvent: TOnProgressEvent"
91 >    when defined, this handler will be called by the internal TIBXScript during
92 >    initial database creation when the schema source is an sql file and may be used
93 >    to provide a visual indication of progress in console mode.
94 >
95 > 14. TCustomIBLocalDBSupport: new public property "InOnCreateDB: boolean". This is set
96 >    to true while a new local database is being created and its schema populated.
97 >    Useful in (e.g.) TIBDatabase.OnAfterConnect handler to suppress actions
98 >    when the database is disconnected/connected during the create DB procedure.
99 >
100 > 15. TIBXScript: any User/password parameters found in a CREATE DATABASE statement
101 >    are now always ignored and replaced by the user name and password provided as
102 >    the login parameters for the TIBDatabase referenced from the TIBXScript. The
103 >    IgnoreCreateDatabase property still applies and the CREATE DATABASE statement is
104 >    completely ignored if this property is true.
105 >
106 > 16. Code tidyup in IBTreeView: Node properties initialisation moved from TIBTreeView.AddNodes
107 >    to TIBTreeView.Added. An OnAddition event handler is no longer needed to initialise
108 >    ImageIndex and SelectImageIndex values on AddNode.
109 >
110 > 17. TIBDatabase.Attachment and TIBXServicesConnection.ServicesIntf properties are now
111 >    read/write. This should enabled (e.g.) multiple instances of TIBDatabase to share
112 >    the same database connection.
113 >
114 > 18. TIBDataSet and TIBQuery now support the TDataSet "Filter" property.
115 >    if provided, this should be an conditional SQL expression suitable for
116 >    including in an SQL Select statement "where" clause. If non-empty and the
117 >    "Filtered" property is true then the SQL expression provided as the value of
118 >    the "Filter" property is "ANDed" with any existing condition statement
119 >    in the SQL statement's "Where" clause.
120 >
121 >    If the "Filter" property is set at run time, the "Filtered" property is true
122 >    and the dataset is already open, then the dataset is closed and re-opened automatically.
123 >
124 >    The "Filter" condition may include IBX style parameters. In which case, their
125 >    value must be set by the dataset's "OnBeforeOpen" event handler.
126 >
127 >    This is a public property for TIBDataSet and TIBQuery query and intended for
128 >    use at run time.
129 >
130 >    Note: The property is a published property of TIBTable. The TIBTable functionality
131 >    is unaffected by this change.
132 >
133 > IBX Change Log  version (2.3-2) Wed, 05 Dec 2018 12:19:23 +0000
134 >
135 > 1. Remove need to check for IsMultiThread by providing access to GUI timers via
136 >   IBGUIInterface. Note: master/detail delay timer does not apply to console
137 >   mode apps.
138 >
139 > 2. TIBCustomDataSet: SQLParser ignored if it does not contain a valid select
140 >   statement. This avoids problems if "Execute Block" is used as the Query.
141 >
142 > 3. IBSQLParser now uses the common SQL tokeniser from fbintf. This replaces the
143 >   internal SQL tokeniser routines.
144 >
145 > 4. IBSQLParser: new property NotaSelectStmt. Set to true if SQL fails to parse
146 >   as a select statement, with or without CTEs.
147 >
148 > 5. IBSQLParser: parser now recognises the "ROWS" clause.
149 >
150 > 6. TIBXScript now uses the common SQL tokeniser from fbintf. This replaces the
151 >   internal SQL tokeniser routines.
152 >
153 > 7.  Fix error in TIBXScript processing of "set" statements. This avoids exceptions
154 >    being raised for valid set statements processed by a data formatter.
155 >
156 > 8. New published property for TIBDatabase and TIBXServicesConnection. This is
157 >   FirebirdLibraryPathName: string. If not empty it is used to explicitly specify
158 >   the path of the Firebird Library used by the database/services connection.
159 >
160 > 9. New read only public property for TIBDatabase and TIBXServicesConnection. This
161 >   is FirebirdAPI and returns the IFirebirdAPI interface used by the database/
162 >   services connection.
163 >
164 > 10.SQL Property editors now quote parameter names if "Quote identifier" is selected
165 >   or param name is not a valid SQL identifier.
166 >
167 > 11. IBLookupComboEditBox: In Lazarus 2.0, TDBLookupComboBox takes a more restrictive
168 >    view of whether the text box should be editable when no DataSource is specified.
169 >    TIBLookupComboEditBox has been updated to workaround this problem. As long as
170 >    ReadOnly is false, the text box is editable when no DataSource is specified.
171 >
172 > 12. AllowUseOfFBLIB is now set to "true" at design time. This is to allow use of
173 >    the FBLIB environment variable. If you do not want to permit this then you
174 >    must modify the Register procedure in the design/IBDBReg.pas unit to remove
175 >    this setting.
176 >
177 > IBX Change Log  version                 (2.3-1) Thu, 25 Oct 2018 14:39:45 +0100
178 >
179 > 1. IBCustomDataset: replace deprecated function ValidUTF8String with call to
180 >   Utf8EscapeControlChars
181 >
182 > IBX Change Log  version                (2.3-0) Mon, 16 Apr 2018 09:48:06 +0100
183 >
184 > IMPORTANT: the source code tree has been re-organised for IBX 2.3. Please remove
185 > all previous copies of the IBX source code tree before installing this release.
186 >
187 > The IBX packages used by most users have not changed, with one exception. The
188 > IBServices unit has been moved to the package iblegacyServices.lpk. To continue
189 > to use the IBServices unit in your applications, please add the iblegacyServices
190 > to the list of dependencies. To do this, open the Project Inspector and select
191 > Add->New Requirement and select "ibLegacyServices" from the list of available
192 > packages.
193 >
194 > 1. New unit IBXServices. The IBXServices unit is a re-architectured update of
195 >   the IBServices unit providing what is intended to be a clearer and easier to
196 >   use set of IB Services components. See Chapter 10 of the IBX User Guide for
197 >   more information and the guide to "Firebird Service Management Using IBX".
198 >   As indicated above, the legacy services components are still available and
199 >   provided in a separate package. There is no need to update working applications
200 >   using the older versions except for an additional package dependency.
201 >
202 > 2. The IBX packages and source code tree have been re-organised in an attempt to
203 >   finally get rid of the "duplicate ppu" warnings. This re-organisation should
204 >   not affect existing users. Section 2.3 of the IBX User Guide describes the
205 >   new set of IBX packages.
206 >
207 > 3. The ibx/examples/DBAdmin and the ibx/examples/services example have been
208 >   updated to use the new Services API components.
209 >
210 > 4. The iblocal package has been updated to use the new Services API components.
211 >
212 > 5. procedure SetAutoAdmin; in the new IBX Services this method is now a member of
213 >   TIBXSecurityService. It had been wrongly classified in the previous version
214 >   as a per database configuration item. It is global to a server and hence
215 >   correctly positioned as part of the Security Package. In the DBAdmin example,
216 >   the setting has moved to the mappings page.
217 >
218 > 6. TIBXScript: IgnoreCreateDatabase added. If true then CREATE DATABASE statements
219 >   are ignored.
220 >
221 > 7. TIBDatabase: DropDatabase now ensures that all transactions have been properly
222 >   closed before the database is dropped. Before and After Disconnect event handlers
223 >   are also fired.
224 >
225 > 8. TIBTransaction: OnStartTransaction event now fires every time the transaction
226 >   is started and not just the first time.
227 >
228 > 9. IBDataOutput: Use FormatFloat for all performance statistics to avoid platform
229 >   depenendency with comp type.
230 >
231 > 10. IBDataOutput: select query data output is now sent to stdout instead of stderr.
232 >
233 > 11. TIBDatabase: Remove regression. If a user login dialog changes the DatabaseName
234 >    then this is recognised and not ignored.
235 >
236 > 12. TIBDataSet, TIBQuery, TIBTable: additions:
237 >    function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
238 >    function GetPerfStatistics(var stats: TPerfCounters): boolean;
239 >    property EnableStatistics: boolean read FEnableStatistics write SetEnableStatistics;
240 >
241 >    GetRowsAffected returns the affected row counts from the last insert/update/delete
242 >    if EnableStatistics = true then GetPerfStatistics returns the current stats
243 >    counters for the select query. Note: stats accumulate after each fetch from
244 >    the database. To get total query cost after open, call the "Last" method
245 >    and then GetPerfStatistics.
246 >
247 >    See ibx/examples/consolemode for an example of the use of GetPerfStatistics
248 >
249 > 13. TIBExtract: Identity columns DDL. "Start with clause" now correctly encapsulated
250 >    in parenthesises.
251 >
252 > 14. TIBExtract: new published property "AlwaysQuoteIdentifiers". If true then in dialect 3
253 >    SQL identifiers are always delimited by double quotes. If false, then they are
254 >    only delimited if the identifier is a reserved word, contains lower case or special
255 >    characters. Set this property to true to retain previous behaviour.
256 >
257 > 15. Insert SQL Property Editor. In Insert Returning Clause, Identity column names
258 >    are now inserted in double quotes if not Reserved Words or valid SQL Identifiers.
259 >
260 > 16. TIBDataSet, TIBQuery, TIBTable: addition:
261 >       property MasterDetailDelay: integer {defaults to zero}
262 >
263 >    When non-zero and the dataset is a detail table referencing a master table
264 >    through either a MasterSource (TIBTable) or a DataSource (TIBDataSet, TIBQuery)
265 >    then a synchronisation delay is added (in milliseconds) between the master
266 >    row changing and the detail dataset being re-opened. If the master dataset
267 >    is scrolled before the delay expires then the delay is reset. This can be used
268 >    to avoid performance overheads when scrolling through a large master dataset.
269 >
270 >    Note: uses fptimer and hence requires a thread manager. Under Linux the
271 >    chreads unit must be included in your project. TTimer is not used in order
272 >    to avoid an LCL dependency. Requires FPC 3.0.2 or later.
273 >
274 > 17. TIBExtract: User role grants now excluded when etGrantsToUser not specified
275 >    with Extract Option eoDatabase.
276 >
277 > 18. TIBLookupComboEditBox: Workaround added for https://bugs.freepascal.org/view.php?id=33428
278 >    When a deLayoutChanged event is reported on the ListSource dataset, the
279 >    combobox text is updated. This allows a listsource (detail) to be in a Master/Detail
280 >    relationship with the control's datasource (master).
281 >
282 > 19. TIBExtract: Full BigInt value range now supported for Generators/Sequences.
283 >
284 > 20. TIBExtract: Select Procedures (Procedure type 1) now include "SUSPEND;" clause in their
285 >    stubs. Pedantic fix really, as procedures output in dependency order anyway.
286 >
287 > 21. TIBExtract: Package Headers and Package Bodies are now included in the extracted
288 >    DDL (Firebird 3 and later only).
289 >
290 > 22. TIBLookupComboBox Autocomplete Fixes:
291 >    i. Only appended text is now selected after autocomplete.
292 >    ii. Uppercase keys no longer ignored for autocomplete.
293 >    iii. Retain Prefix case is now honoured correctly.
294 >    iv. When a DataSource is assigned, typing after autocomplete now extends prefix
295 >        before autocomplete performed. i.e. behaviour now the same as when
296 >        no DataSource assigned.
297 >
298 > 23. TIBXScript: Single Line Comments starting with '--' are now ignored when occurring
299 >    between SQL statements.
300 >
301 > 24. TIBExtract: New published property CaseSensitiveObjectNames. If false (default) then
302 >    ObjectNames are converted to upper case before matching against metadata object
303 >    names, unless the objectname is delimited by double quotes, in which case, the
304 >    double quotes are removed and the remaining string is used (unmodified) to match
305 >    against the metadata object name.
306 >
307 >    If true then the ObjectName is used as is without modification and matched
308 >    against the metadata object name. No attempt is made to remove double quotes.
309 >
310 > 25. TIBExtract: New Extract Types: etDatabaseTriggers and etDDLTriggers. When used
311 >    with eoTrigger, these extract types can be used to select only Database Triggers,
312 >    or DDL Triggers or both. Ignored when etTable or etTrigger included in Extract Types.
313 >
314 > 26. TIBXScript: If an exception occurs during the processing of a statement, the
315 >    statement separate character is now reset to the default (';').
316 >
317 > 27. TIBDatabase: Reconnect method added and used by TIBXScript for reconnect.
318 >
319 > 28. TIBXScript: Transaction is no longer automatically reactivated immediately processing
320 >    a commit or reconnect statement and instead activated only when next SQL statement
321 >    is executed.
322 >
323 > 29. TIBSQL.HasField should no longer generate and exception when the field does not exist.
324 >
325 > 30. TIBXScript: case insensitive regex now used when matching statements instead of
326 >    converting statement to upper case.
327 >
328 > 31. TIBExtract: metadata comments now supported. New published property
329 >    IncludeMetaDataComments (default true). If true then metadata comments included
330 >    in extracted DDL. New Extract Object member eoComments. This may be used with
331 >    ExtractObject method to list all metadata comments.
332 >
333 > 32. TIBExtract: ListObjectNames method added.
334 >
335 > 33. Updated Database component editor to support additional connection string
336 >    types.
337 >
338 > IBX Change Log  version  (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
339 >
340 > NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
341 > AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
342 > RELEASE.
343 >
344 > NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
345 >
346 > 1. IBExtract: Identity columns - add additional check for null column for generator name.
347  
348   2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
349     The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
350 <   information). Values returned as a result of executing an Insert or Update statement
351 <   replace existing values in the current row for each corresponding column.
350 >   information). However, this is also a very useful mechanism for returning updated computed by
351 >   column values. Values returned as a result of executing an Insert or Update statement
352 >   replace existing values in the current row for each corresponding column.
353 >
354 >   Previously, if a dataset's select query included read only (computed by) fields then
355 >   an automatic row refresh was performed after an insert or update query had been processed,
356 >   irrespective of the setting of the "ForcedUpdates" property. This has changed such
357 >   that an automatic refresh is no longer performed if an insert or update query contains
358 >   a returning clause that updates one or more fields on the current row. A full row
359 >   refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
360 >   field values and the select query contains read only fields. Use of Insert/update
361 >   returning should be significantly more efficient than executing a refresh query.
362 >
363 >   This behaviour change is intended to be backwards compatible and there should be no need to change
364 >   existing programs, other than to improve performance by using the new capability.
365  
366 < 3. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
366 > 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
367 >   they are called when the dataset row is being deleted, there is no value in
368 >   updating the current record from the query result. Instead, a new event handler
369 >   "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
370 >   an OnDeleteReturning event handler is provided then it is called with the IResults returned
371 >   by the query. The event handler can then interrogate the query results and
372 >   perform whatever action is necessary. For example to confirm, to the user,
373 >   the deletion of a row with the returned values.
374 >
375 > 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
376 >   any Computed By or Identity Columns. The IBTables example has been updated to
377 >   illustrate the computation of the employee Full Name on update.
378 >
379 > 5. TIBTable: The GeneratorField property is now published.
380 >
381 > 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
382     When InsertSQL is generated, the Identity columns are not included in the list of values to
383     be inserted. A RETURNING clause is added to the insert statement to return the value of
384     each Identity column after the insert is executed.
385  
386 < 4. TIBGenerator: small performance improvement by not preparing query each time
387 <   a new number is generated.
386 > 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
387 >   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
388 >   Insert..Returning clause.
389 >
390 > 8. TIBGenerator: small performance improvement by not preparing query each time
391 >   a new value is generated.
392  
393 < 5. TIBSQL: Free resources when transaction changed.
393 > 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
394  
395 < 6. Property editor will now sync table name to a System Table when "Include System
396 <   Tables" is selected and the query is for a System Table.
395 > 10. Property editors will now sync table name to a System Table when "Include System
396 >    Tables" is selected and the query is for a System Table.
397  
398 < 7. Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
399 <   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
400 <   Insert..Returning clause.
398 > 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
399 >    values are no longer converted to milliseconds from TDateTime and then back again
400 >    to TDateTime (the conversion to milliseconds is the default TDataset approach).
401 >
402 > 12. Property Editors handling of Stored Procedures.
403 >    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
404 >      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
405 >      query).
406 >    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
407 >
408 > 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
409 >    can be used to select a package. If non-empty, the stored procedure name is
410 >    expected to be a stored procedure defined in the specified package and the
411 >    generated SQL will be as required for a stored procedure located in a package.
412 >
413 > 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
414 >    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
415 >    which a stored procedure can be selected. With no package name selected, non-package
416 >    stored procedures are listed.
417 >
418 > 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
419 >    for password on reconnect.
420 >
421 > 16. TIBDatabase: use IAttachment for connection default character set id, code page
422 >    and character set name.
423 >
424 > 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
425 >    DB info lookups"
426 >
427 > 18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
428 >
429 > 19. Add a property Editor for TIBUpdate.RefreshSQL.
430 >
431 > 20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
432 >    parameters. This stops an exception being raised when the field cannot be
433 >    located in the record buffer.
434 >
435 > 21. Property Editors now automatically include System Tables when opened and when the query table
436 >    is a System Table.
437 >
438 > 22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
439 >    This avoids errors due to a stale SQRB or SRB being used for the next query.
440 >
441 > 23. IBServices: Service attach parameters now include "expected_db". This is used to
442 >    add the SPB item isc_spb_expected_db. This names a database using
443 >    an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
444 >    database. examples/services re-written to illustrate use of "expected_db".
445 >
446 > 24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
447 >    This avoids truncated backups when the server returns a timeout (busy) response.
448 >
449 > 25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
450 >
451 > 26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
452 >    databasenames. These are respectively expanded to the local system's temp directory
453 >    (including trailing delimiter) or to a prescribed data directory (including
454 >    trailing delimiter). Under Unix systems the data directory is a hidden directory
455 >    in the user's home directory. The hidden directory name is either the string returned
456 >    from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
457 >    Under Windows, the directory is the same as the Data Directory as decribed
458 >    above but instead prefixed by the User's application data path. These may be
459 >    used to improve application portability for Personal Databases.
460 >
461 > 27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
462 >    this has not worked for a long time and is not useful either. FieldDefs should be
463 >    managed using the Fields Editor as with any other dataset. To access the fields
464 >    editor for a TIBTable component, double click on the component. The fields editor
465 >    is then displayed.
466 >
467 > 28. TIBDatabaseInfo: new properties/function
468 >     * DateDBCreated (returns date/time database created)
469 >     * TransactionCount (returns no. of active transactions)
470 >     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
471 >     * PagesFree (Firebird 3 or later)
472 >     * PagesUsed (Firebird 3 or later)
473 >     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
474 >     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
475 >
476 > 29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
477 >
478 > 30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
479 >
480 > 31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
481 >    the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
482 >
483 > 32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
484 >    in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
485 >    firing during backup and restore.
486 >
487 > 33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
488 >    for verbose output using the new property "StatisticsRequested".
489 >    see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
490 >
491 > 34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
492 >
493 > 35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
494 >    palette. This uses the online validation feature added in Firebird 2.5. The
495 >    services's properties enable inclusion/exclusion of tables and indexes using
496 >    regular expressions. See.
497 >    https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
498 >
499 > 36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
500 >    option on a database.
501 >
502 > 37. TIBCustomService: Assign method implemented to allow copying of service login
503 >    context between service API components. "Detach" method now only detaches
504 >    service when last reference to the service interface detaches. Tidy up of
505 >    code for SetActive and Attach methods including password hiding.
506 >
507 > 38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
508 >    and used to determine the auth method and protocol used for the connection.
509 >
510 > 39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
511 >    a Create Database Statement generated by IBX.
512 >
513 > 40. All IBServices now have an additional published property "PortNo". This may
514 >    be set to a non-standard port number when necessary. If zero then the default
515 >    port number is used.
516 >
517 > 41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
518 >    and not just the mouse.
519 >
520 > 42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
521 >
522 > 43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
523 >    image index and selected image index for each node to be set from a database field.
524 >
525 > 44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
526 >    then database schema includes grants to all users. If not present then the
527 >    only user grants included are those to User PUBLIC.
528 >
529 > 45. TIBTreeView: performance improvement. When expanding include both expanded node
530 >    and child nodes in dataset.
531  
27 8. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
28   values are no longer converted to milliseconds from TDateTime and then back again
29   the TDateTime (the TDataset approach).
532  
533   IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
534  

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