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Revision: 433
Committed: Mon Jan 8 15:23:15 2024 UTC (3 months, 2 weeks ago) by tony
File size: 85758 byte(s)
Log Message:
Fixes Merged

File Contents

# User Rev Content
1 tony 433 IBX Change Log version (2.6-4 Build 14188) Mon, 08 Jan 2024 15:20:50 +0000
2 tony 426
3     1. TIBCustomDataSet.ApplyUpdates: ensure controls are not permanently disabled
4     if ApplyUpdates called before a cursor exists.
5    
6     2. TIBCustomDataSet.CreateBlobStream: add check for empty dataset before
7     creating the blob.
8    
9 tony 427 3. TIBCustomDataset.Requery: The display buffer pool is now also reset avoiding
10     issues with left over pointers to invalid internal buffers.
11    
12 tony 429 4. TIBCustomDataset.PrimaryKeys when used in InternalRefresh. when more than one
13     primary key is used by the dataset then the list of primary keys is now
14     properly separated by a ';'.
15    
16 tony 430 5. When refresh is called for a dataset without any primary keys (e.g. views and
17     stored procedures), the internal record number is now used to restore the cursor
18     following the refresh. However, it should be noted that cannot be 100% reliable.
19     The internal record number simply reflects the record fetch order and this can
20     change between successive queries if records are inserted or deleted by the
21     current or another user (if the read_committed transaction isolation level is used).
22    
23     6. Inserting a record at the start of a grid and then resizing the grid should
24     no longer result in an apparent duplication of records in the grid. Note: this
25     was due to TDataset.SetCurrentRecord ignoring the bookmark flag (bfInserted). IBX
26     works around this by no longer using this bookmark flag value.
27    
28 tony 431 7. Inserting a record into an empty grid and then resizing the grid should
29     no longer result in an apparent duplication of records in the grid.
30    
31 tony 432 8. IBBufferedCursor. FCurrentRecordStatus now set correctly when selecting a
32     specific record number.
33    
34     9. IBCustomDataset: Calls to AfterScroll during a Locate operation are now suppressed
35     until the end of the locate operation.
36    
37 tony 433 10.IBCustomDataset: Calls to BeforeScroll during a Locate operation are now suppressed.
38     BeforeScroll is called once before the locate operation.
39    
40 tony 421 IBX Change Log version (2.6-3 Build 14080) Sat, 21 Oct 2023 14:14:22 +0100
41    
42     1. Update to calls to EInterbaseError to add default code page. Consequential
43     on change to fbintf.
44    
45     2. Update some examples to replace test for null date with the NullDate constant
46     instead of zero. This is because Laz 3.0 changes the value of NullDate.
47    
48 tony 419 IBX Change Log version (2.6-2 Build 14016) Sat, 05 Aug 2023 11:54:55 +0100
49 tony 416
50     1. Fixed repeated "type" keyword in IBBufferCursors. This may cause a compile error
51 tony 418 with later versions of fpc - later than 3.2.2.
52 tony 416
53 tony 418 2. IBUpdateSQL. update internal queries if parent dataset database changed.
54    
55     3. IBUpdateSQL: Do not prepare an empty internal query.
56    
57 tony 419 4. IBBufferedCursors: avoid range error when max field no. is > fields.count
58 tony 418
59 tony 419 5. IBBufferedCursors: avoid End of File error if refresh query returns and empty row count
60    
61 tony 412 IBX Change Log version (2.6-1 Build 13985) Mon, 17 Jul 2023 14:16:41 +0100
62    
63     1. Maintenance update of 2.6.0. This version is still at beta.
64    
65     2. Reverse out changes to DrawCellText signature in IBArrayGrid and IBDynamic Grid.
66     See https://gitlab.com/freepascal.org/lazarus/lazarus/-/commit/53aaae9c5e2a5edac5b1d2f70739a8ef7b0a9623
67    
68     3. ibxscript: When parsing a store procedure or function with a variable name
69     enclosed in doublequotes, the double quotes are no longer removed.
70    
71 tony 410 IBX Change Log version (2.6-0 Build 13976) Thu, 22 Jun 2023 13:49:22 +0100
72 tony 407
73 tony 410 NOTE: THIS VERSION RE-WRITES THE INTERNAL BUFFER MANAGER AND SHOULD BE CONSIDERED
74     AS BETA SOFTWARE. EVEN THOUGH IT HAS PASSED ALL REGRESSION TESTS, IT CANNOT
75     BE ASSUMED TO BE PRODUCTION READY UNTIL WIDER USE. PLEASE REPORT ANY
76     ISSUES TO support@mwasoftware.co.uk
77    
78     1. Complete rewrite of internal buffer management in order to improve performance
79     and maintainability. Highlights:
80    
81     * Extending the size of the buffer pool no longer has to copy the entire record
82     cache. Instead, a new extent is simply added to the buffer pool.
83     * A memory to memory copy of each display buffer now is avoided when scolling the
84     dataset.
85     * A separate set of buffers is now used for calculated fields. This avoids
86     having to keep copies of calculated field values in the buffer cache.
87     * Compact bitmaps are used to record null status and need to refresh in each
88     buffer.
89     * Display buffer type changed from PChar to TRecordBuffer in line with change of
90     buffer type in FCL-DB.
91    
92     2. TIBUpdateSQL: changes to SQL text will close linked dataset if open. This is
93     to ensure same behaviour as TIBDataset, TIBTable and TIBStoredProcedure.
94    
95     3. TField Provider Flags: pfRefreshOnInsert and pfRefreshOnUpdate are now supported.
96     If either or both of these flags are set at design time (using the fields editor)
97     then this forces a row refresh on respectively insert or update, or both, when the
98     corresponding field is not present in an SQL RETURNING clause.
99    
100     4. TIBCustomDataset.FieldDefsFromQuery moved to a helper class (TFieldDefsMaker) in order to improve
101     maintainability and readability and to add identification of primary key fields.
102    
103     5. TIBQuery, TIBDataset and TIBTable. Traditionally, IBX has implemented the Refresh method
104     as a refresh of the current row. However, this is different behaviour to that described
105     in the FPC documentation for TDataset.Refresh which is described as "refetches the data in
106     the dataset from the underlying database, and attempts to reposition the cursor on
107     the same record as it was". IBX now complies with the FPC definition of Refresh.
108    
109     6. A progammatic Row Refresh should no longer be required.
110     Use Insert/Update... returning to refresh any fields that may change following an
111     insert or update i.e. Identify fields on Insert only, Computed By, Blob and array fields
112     on both. If there are any other fields (e.g. updated by triggers) set the appropriate ProviderFlag
113     for the field at Design Time to force a row refresh if not in the returning clause.
114    
115     7. It should now be possible to insert a row into an empty unidirectional dataset.
116    
117     8. New TIBQuery, TIBDataSet and TIBTable property: BufferChunksInFirstBlock (default 50).
118     This gives the number of buffers in the initial block for the buffer pool in
119     bi-directional datasets. BufferChunks (default 1000) gives the number of buffers
120     in subsequent buffer pool blocks. This avoids large and mostly unused memory allocations
121     for small datasets.
122    
123     IBX Change Log version (2.5-1 Build 13927) Tue, 6 Dec 2022 23:13:00 +0000
124    
125 tony 407 1. IBCustomDataset: avoid problem with additions to TFieldType by using a subset instead.
126    
127     2. TIBDynamicGrid: change DrawCellText declaration to comply with laz 2.3.0
128    
129 tony 409 3. TIBArrayGrid: change DrawCellText declaration to comply with laz 2.3.0
130    
131 tony 402 IBX Change Log version (2.5-0 Build 13868) Fri, 29 Jul 2022 09:52:01 +0100
132    
133     1. TIBTransaction: new properties
134     property TransactionID: integer read GetTransactionID;
135     property IsReadOnly: boolean read GetIsReadOnly;
136     {published}
137     property TransactionName: string read FTransactionName write SetTransactionName;
138    
139     2. IBCustomDataset: per row blob and array buffer cached clear before processing
140     Insert or Update...Returning. This allows blobs and arrays to be returned
141     by the statement.
142    
143     3. TSQLXMLReader moved from IBXScript to package fbintf unit IBUtils.
144    
145     4. TransactionName initialised to a newly generated GUID if empty.
146    
147     5. New unit: IBJournal. This provides the TIBJournal component which is a wrapper
148     for the fbintf package's journaling capability. TIBJournal is used to set the
149     file path and filename for the journal file and to Enabled (start journaling) and
150     disable (stop journaling). See fbintf/doc/README.ClientSideJournaling.pdf for
151     more information, and comments in IBJournal.pas.
152    
153     6. TIBDatabase.InternalTransaction is now a read only transaction.
154    
155     7. Bug fix: blob id no longer set to null on update when blob has not been
156     retrieved.
157    
158     8. Row auto refreshed on update/insert if blob or array field updated and field
159     not in a returning clause.
160    
161     9. ColumnCount moved from record buffer header to a single per dataset count. Reduces
162     buffer overhead and avoids problem when refresh query has a different column
163     count to select query i.e. incorrectly changing number of columns.
164    
165     10. IBExtract: support added for UDR Functions, Procedure and Trigger declarations.
166    
167     11. TIBDatabaseInfo. New property FirebirdVersion. This returns the current Firebird version
168     string. Note that the Version property returns an InterBase compatible version string.
169    
170     12. IBExtract: ensure sql identifiers returned as a LIST are always quoted.
171    
172 tony 359 IBX Change Log version (2.5-0 Build 12933) Mon, 29 Nov 2021 14:59:54 +0000
173    
174     1. IBCustomDataset: Modify TISQL component now defaults to GoToFirstRecordOnExecute := true.
175     This is for compatibility with Firebird 5 where Update...Returning can return
176     a cursor.
177    
178 tony 356 IBX Change Log version (2.4-3 Build 12886) Sat, 23 Oct 2021 14:58:30 +0100
179 tony 347
180     1. Add try-..except check when initially loading library in IDE. This should
181     ensure that IDE continues to load even when a failure occurs in IBX load
182     library.
183    
184 tony 348 2. IBXScript: now recognises a CASE...END block within a stored procedure and
185     hence will correctly detect end of the outer containing block when the block
186     contains a SELECT ... CASE ... END construct.
187    
188     3. IBExtract: some further tidying up to remove extraneous white space.
189    
190 tony 349 4. IBCustomDataSet: DefaultFieldClasses array declaration updated to avoid compile time
191     errors when extra elements are added to DB.TFieldType.
192    
193     5. IBUpdate: updated to reflect changes to ISQLParam.
194    
195     6. IBXScript: now correctly parses a DECLARE statement which includes a quoted string.
196    
197     7. IBExtract: for ODS >=13, increment generator value by one for ALTER SEQUENCE statement.
198    
199 tony 353 8. IBSQL: Support for scrollable cursors added (note: local databases only)
200    
201 tony 345 IBX Change Log version (2.4-2 Build 12773) Mon, 23 Aug 2021 11:59:42 +0100
202    
203     1. TIBDatabaseInfo: review and tidy-up of property types. Most widen to int64 with the
204     exception of those defined to be one byte wide e.g. DBImplementationNo.
205    
206     2. TIBSQL: Batch Update/Insert support added.
207    
208     3. TIBStoredProc: when generating the SQL, the value of the StoredProcName property
209     is no longer automatically converted to upper case when it is syntactically a
210     SQL Identifier. This is to support the use of stored procedures defined e.g.
211     as CREATE PROCEDURE "iCASE".
212    
213     There could be a backwards compatibility issue when the StoredProcName was entered
214     manually at design time. That is not selected from the drop down list. If the
215     StoredProcName is entered in mixed case and the procedure was declared e.g. as
216     CREATE PROCEDURE iCASE, then the SQL generation will be incorrect. You should
217     ensure that the value of the StoredProcName is all upper case, unless it was
218     declared under dialect 3 and explicitly as mixed case (i.e. delimited by double
219     quotes).
220    
221     Note that when a stored procedure name was declared delimited in double quotes,
222     as in the first example above, the value of the StoredProcName property must not
223     include the delimiters (double quotes).
224    
225     4. IBXUpgradeConfFile: an exception is now raised if a patch file specified in
226     upgrade.conf was not found. This replaces silently ignoring the problem.
227    
228     5. TIBLocalDBSupport: new property "SectionHeaderTemplate". This defaults to
229     'Version.%.3d' and is used to generate the section header names (for a given
230     version no.) in the upgrade.conf file.
231    
232 tony 340 IBX Change Log version (2.4-1 Build 12550) Wed, 23 Jun 2021 13:59:14 +0100
233    
234     1. -c command line option added to fbsql example program. Used to set connection
235     character set.
236    
237 tony 338 IBX Change Log version (2.4-0 Build 12543) Mon, 22 Feb 2021 11:00:08 +0000
238 tony 315
239     1. Firebird 4 support added.
240    
241     2. New FB4 data types TIME WITH TIME ZONE, TIMESTAMP WITH TIME ZONE, DECFLOAT and
242     extended precision NUMERIC fields are supported.
243    
244     3. TFmtBCDField is used to support access to DECFLOAT and extended precision NUMERIC fields.
245    
246     4. TIBDateTimeField and TIBTimeField are introduced in support of TIMESTAMP WITH TIME ZONE
247     and TIME WITH TIME ZONE fields. These inherit from TDateTimeField.
248    
249     5. IBExtract now supports FB4 enhancements:
250     - new data types as above
251     - Identity column extensions
252     - Default user role
253     - SQL Security clause for Database, Tables, Procedures, Functions and Triggers
254     - Internal Functions
255    
256     6. IBExtract: new event: OnExtractLines.
257    
258     7. IBExtract: revert create trigger to legacy syntax see Firebird CORE-6243, CORE-5545 and DOC-145
259    
260     8. IBXServices: Server version no. parsing now allows any letter before major version number
261     and is no longer restricted to 'V' e.g. "LI-T4.0.0.1436 Firebird 4.0 Beta 1"
262    
263     9. TIBDataSet and TIBQuery: new property TZTextOption. Used to determine the default
264     format for rendering a time zone.
265    
266     10. TIBDataSet and TIBQuery: new property DefaultTZDate. Used to provide the default date
267     to convert TIME WITH TIME ZONE data type values to and from GMT.
268    
269     11. Unit name IBTypes changed to IBInternals. Internal interfaces TIBGUIInterface and TIBTimerInf renamed to
270     IIBGUIInterface and IIBTimerInf respectively.
271    
272     12. Constants: DPBPrefix and TPBPrefix moved to IB unit. DPBConstantNames and TPBConstantNames
273     now accessible as properties of TIBDatabase and TIBTransaction respectively.
274    
275     13. String Fields: when a fixed character with (CHAR) field is returned, it is now
276     truncated to its fixed character width rather than being right padded with
277     white space to the maximum data size.
278    
279     14. TIBTable.Empty table. In additional to deleting all records in the underlying
280     table, the internal buffers are now also flushed ensuring that the TIBTable is
281     also empty.
282    
283     15. TBatchSQLStatementReader: Line buffer is now cleared on call to reset.
284    
285     16. TIBXControlService descendents: DatabaseName may now be set using a database
286     connect string. The database name is extracted from the connect string.
287    
288     17. DBControlGrid: Minor bug fixes. avoid AV on form closure, avoid black panel
289    
290     18. TIBExtract: Data type of COMPUTED By columns is no longer included in SQL.
291    
292     19. Local database on Linux and with legacy API and FB 2.5 embedded server: fixed problem with password
293     not being present as required.
294    
295     20. IBTreeView split into DBTreeView and IBTreeView. This former is an IBX indepedent
296     version that can be customised to work with other database drivers.
297    
298 tony 319 21. ISQLMonitor: use platform specific LineEnding to delimit messages. Avoids
299     unnecessary CR at end of line on Unix platforms.
300    
301     22. ISQLMonitor: Unix: Default semaphore timeout increased from 1 second to 10
302     seconds in order to reduce risk of message loss.
303    
304     23. ISQLMonitor: read and write count statistics now available via:
305     property TIBSQLMonitor.ReadCount;
306     IIBSQLMonitorHook.GetWriteCount: integer;
307    
308     24. ISQLMonitor tidy up and unit split. IPC functions moved to new unit IBIPC.
309    
310 tony 312 IBX Change Log version (2.3-5 Build 12350) Tue, 25 Aug 2020 16:11:02 +0100
311 tony 308
312     1. TIBStringField: when a string value is read from a dataset buffer, if the
313     number of UTF8 characters exceeds the string size then string is truncated
314     to the maximum string size. This is usually a problem with fixed width columns
315     right padded with white space.
316    
317     2. SQLFiltered and SQLFilterParams added to TIBQuery, TIBTable and TIBDataset.
318     If SQLFiltered is set then when a dataset is opened, each line in the
319     SQLFilterParams property is assumed to be a SQL condition clause and
320     ANDed into the Where clause of the SQL Select statement provided as a
321     dataset property. Each such SQL condition thus acts as an additional filter
322 tony 315 on the dataset.
323 tony 308
324     3. The Filtered property inherited from TDataset is no longer used for SQL (server
325     side filters).
326    
327 tony 311 4. IBLookupComboEditBox: Selection should no longer reset to start of text when
328     text matches complete entry.
329    
330     5. TIBDataLink: Detail Dataset params not refreshed unless both master and detail
331     dataset are active (avoids risk of access violation if master is inactive)
332    
333     6. TIBEvents: Registered property can now be set at design time even if database not open
334    
335     7. TIBEvents: component now correctly re-initialised after call to UnregisterEvents.
336     This should prevent "spillover" of events between sessions.
337    
338     8. TIBCustomDataset: GetNextRecord now called when reseting to first record of a unidirectional dataset.
339     This should ensure that the internal buffer is set up correctly and avoids
340     a duplicate initial row.
341    
342     9. TIBStringField: DataSize now given as byte size of string less trailing any zero character.
343     That is, the DataSize should be the field size * character set width. The
344     value returned by DataSize is now the same as the Dataset buffer size reserved
345     for the field.
346    
347 tony 312 10. IBExtract: Tidyup of SQL generation. Avoid unnecessary double quotes.
348 tony 311
349     11. TIBCustomDataset: Add checks on buffer sizes when copying data from row to field buffer
350     and vice-versa. This may result in an exception being raised (correctly) for
351     older programs when using dataset fields added to a form and the database has been
352     upgraded. For example, computed fields can change from 32-bit to 64-bit integers.
353     In such cases, the field needs to be deleted in the IDE fields editor and then
354     added back in.
355    
356 tony 312 12. IBCustomDataSet: CanInsert, CanEdit, CanDelete and CanRefresh updated to return
357 tony 315 false if query contains only white space and not just empty.
358 tony 312
359 tony 311 12. IBCustomDataset: Blob data is now cleared when TDataSet.Cancel is called. This
360     should ensure that (e.g.) a TDBMemo is correctly refreshed after a dataset edit
361     is cancelled.
362    
363 tony 315 13. IBCustomDataset: SetArrayIntf should no longer cause an access violation if
364     called on a null field.
365    
366     14. IBCustomDataSet: An access violation should no longer occur when calling CancelUpdates
367     results in an empty dataTC86 Client side Filtered Dataset 1 X
368     set.
369    
370     15. IBCustomDataSet: OnUpdateError should now be called in all circumstances when
371     a cached update is applied and an exception is raised.
372    
373     16. IBCustomDataSet: Avoid access violation when SetBookmarkData called with nil pointer.
374    
375     17. Console Mode Local Database support: backup/restore should now work correctly.
376    
377     18. Local Database Support: if an upgrade fails, a downgrade is now performed if
378     possible and an exception raised.
379    
380     19. MinimumVersionNo added to Local Database Support. Database will not open if
381     below this version no. and upgrade not possible.
382    
383 tony 307 IBX Change Log version (2.3-4 Build 12041) Fri, 17 Apr 2020 14:00:32 +0100
384 tony 306
385 tony 307 1. TIBXDataSet and Generators: Generator Names that are not all upper case or
386     not SQL Identifiers are now supported.
387 tony 306
388 tony 307 2. TIBXScript: Set Generator is no longer rejected as unrecognised SQL and is
389     passed to the Firebird engine for execution.
390 tony 306
391 tony 307 3. TIBDataSet: Unidirectional datasets now give an error message if an attempt
392     is made to scroll back.
393 tony 306
394 tony 307 4. New unit: IBMessages.pas. Contains only messages used by IBX and not FBIntf
395 tony 306
396 tony 307 5. TIBLookupComboEditBox: When generating auto-complete SQL, the ListField is now
397     only enclosed in double quotes in SQL dialect 3 and when it needs to be.
398 tony 306
399 tony 307 6. TIBLookupComboEditBox: when the list source opens, the ListField name is now
400     validated. If no match is found in the list of field names and the database has
401     been opened in SQL Dialect 3, then the ListField Name is converted to upper case
402     if it then matches a field name. Otherwise, a Listfield not valid exception occurs.
403 tony 306
404 tony 307 7. IBGeneratoreditor.pas: Add missing parenthesis around "IS" statement for compliance
405     with fpc 3.2.
406 tony 306
407 tony 307 IBX Change Log version (2.3-3 Build 11512) Fri, 28 Dec 2018 10:04:17 +0000
408 tony 287
409    
410 tony 307 1. New property for TIBDatabase and TIBXServicesConnection. This is "ConfigOverrides"
411     and is used to override the default settings in the client side "firebird.conf" This
412     includes "WireCompression" and "WireCrypt". The value of this property is a "TStrings".
413     Each line of the string list should be a setting in the same format as "firebird.conf".
414     For example "WireCompression = true" in order to request wire compression on the client side.
415 tony 287
416 tony 307 Note: explicit settings in the client side "firebird.conf" appear to take precedence
417     over settings given in TIBDatabase and TIBXServicesConnection. Many client side settings
418     also require a compatible setting in the server side "firebird.conf". For example
419     "WireCompression = true" must also be set in the server's "firebird.conf" for wire
420     compression to be used.
421 tony 291
422 tony 307 Whether or not WireCompression or WireCrypt are in use can be checked using the information
423     returned with the Client/Server protocol version. See ibx/examples/dbadmin and
424     ibx/examples/dbinfo for examples of how to display this information.
425 tony 291
426 tony 307 2. New property for TIBDatabase and TIBXServicesConnection: "WireCompression". This
427     is a "convenience" property. If set the "WireCompression=true" is added to the
428     ConfigOverrides. If unchecked then this setting is removed.
429 tony 291
430 tony 307 3. TIBExtract: 64-bit integer types are now correctly extracted as "BIGINT" and
431     not "INT64".
432 tony 291
433 tony 307 4. New published properties for TIBCSVDataOut, TIBInsertStmtsOut and TIBBlockFormatOut
434     These are:
435     property TimestampFormat: string;
436     property DateFormat: string;
437     property TimeFormat: string;
438 tony 291
439 tony 307 Respectively, these provide the date time format templates for SQL types: TIMESTAMP,
440     DATETIME and TIME. The format strings use the standard FPC date/time format
441     characters (see https://www.freepascal.org/docs-html/rtl/sysutils/formatchars.html).
442 tony 266
443 tony 307 If any of the above properties are set to an empty string, then the locale default
444     is used. This uses the ShortDateFormat and the LongTimeFormat. In timestamp, the
445     locale default is extended by appending '.zzz' to include milliseconds.
446 tony 272
447 tony 307 TIBCSVDataOut by default sets these properties to the empty string, while the other
448     two use: 'yyyy.mm.dd hh:nn:ss.zzz', 'yyyy.mm.dd' and 'hh:nn:ss.zzz' respectively.
449 tony 266
450 tony 307 5. New published property for TIBCSVDataOut:
451     property QuoteStrings: boolean (default true)
452 tony 266
453 tony 307 If false then strings are unquoted, otherwise, the QuoteChar property value is
454     used to delimit each and every string in the output.
455 tony 263
456 tony 307 6. New published properties for TIBCSVDataOut:
457     property FieldSeparator: string;
458     property HeaderSeparator: string;
459 tony 267
460 tony 307 Respectively, these provide the separator character(s) used to separate fields
461     in data and header rows. Both default to ','.
462 tony 270
463 tony 307 7. New published properties for TIBCSVDataOut and TIBBlockFormatOut:
464     TOnFormatTextString = procedure(sender: TObject; var TextString: string) of object;
465     property OnFormatTextString;
466 tony 270
467 tony 307 This event handler can be used to process text strings before they are included
468     in the output e.g. to replace unprintable characters with alternative strings.
469     This only applies to columns with an SQL Type of SQL_VARYING and SQL_TEXT.
470 tony 270
471 tony 307 8. TIBDataSet now raises an exception when ParamByName called with an invalid parameter name.
472     Uses "FindParam" if in order to find out if a parameter with a given name exists
473     and without raising and exception if it does not.
474 tony 270
475 tony 307 9. TIBQuery now uses IBX SQL Parser instead of the TParams SQL parser in order to ensure
476     consistency with SQL queries.
477 tony 270
478 tony 307 10. CaseSensitiveParameterNames property added to TIBSQL, TIBDataSet and TIBQuery.
479     When true, SQL statement parameter names are parsed case sensitive. Note for
480     TIBDataSet only applies to Select query.
481 tony 270
482 tony 307 11. IBEvents: removing a TIBEvent component from a form should no longer result in
483     an IDE exception.
484 tony 270
485 tony 307 12. LocalDBSupport: initial database creation should now work correctly
486     when the schema source is an sql file.
487 tony 270
488 tony 307 13. TIBCMLocalDBSupport: new event handler "property OnProgressEvent: TOnProgressEvent"
489     when defined, this handler will be called by the internal TIBXScript during
490     initial database creation when the schema source is an sql file and may be used
491     to provide a visual indication of progress in console mode.
492 tony 270
493 tony 307 14. TCustomIBLocalDBSupport: new public property "InOnCreateDB: boolean". This is set
494     to true while a new local database is being created and its schema populated.
495     Useful in (e.g.) TIBDatabase.OnAfterConnect handler to suppress actions
496     when the database is disconnected/connected during the create DB procedure.
497 tony 270
498 tony 307 15. TIBXScript: any User/password parameters found in a CREATE DATABASE statement
499     are now always ignored and replaced by the user name and password provided as
500     the login parameters for the TIBDatabase referenced from the TIBXScript. The
501     IgnoreCreateDatabase property still applies and the CREATE DATABASE statement is
502     completely ignored if this property is true.
503 tony 270
504 tony 307 16. Code tidyup in IBTreeView: Node properties initialisation moved from TIBTreeView.AddNodes
505     to TIBTreeView.Added. An OnAddition event handler is no longer needed to initialise
506     ImageIndex and SelectImageIndex values on AddNode.
507 tony 270
508 tony 307 17. TIBDatabase.Attachment and TIBXServicesConnection.ServicesIntf properties are now
509     read/write. This should enabled (e.g.) multiple instances of TIBDatabase to share
510     the same database connection.
511 tony 270
512 tony 307 18. TIBDataSet and TIBQuery now support the TDataSet "Filter" property.
513     if provided, this should be an conditional SQL expression suitable for
514     including in an SQL Select statement "where" clause. If non-empty and the
515     "Filtered" property is true then the SQL expression provided as the value of
516     the "Filter" property is "ANDed" with any existing condition statement
517     in the SQL statement's "Where" clause.
518 tony 270
519 tony 307 If the "Filter" property is set at run time, the "Filtered" property is true
520     and the dataset is already open, then the dataset is closed and re-opened automatically.
521 tony 271
522 tony 307 The "Filter" condition may include IBX style parameters. In which case, their
523     value must be set by the dataset's "OnBeforeOpen" event handler.
524 tony 272
525 tony 307 This is a public property for TIBDataSet and TIBQuery query and intended for
526     use at run time.
527 tony 272
528 tony 307 Note: The property is a published property of TIBTable. The TIBTable functionality
529     is unaffected by this change.
530 tony 272
531 tony 307 IBX Change Log version (2.3-2) Wed, 05 Dec 2018 12:19:23 +0000
532 tony 272
533 tony 307 1. Remove need to check for IsMultiThread by providing access to GUI timers via
534     IBGUIInterface. Note: master/detail delay timer does not apply to console
535     mode apps.
536 tony 272
537 tony 307 2. TIBCustomDataSet: SQLParser ignored if it does not contain a valid select
538     statement. This avoids problems if "Execute Block" is used as the Query.
539 tony 272
540 tony 307 3. IBSQLParser now uses the common SQL tokeniser from fbintf. This replaces the
541     internal SQL tokeniser routines.
542 tony 272
543 tony 307 4. IBSQLParser: new property NotaSelectStmt. Set to true if SQL fails to parse
544     as a select statement, with or without CTEs.
545 tony 272
546 tony 307 5. IBSQLParser: parser now recognises the "ROWS" clause.
547 tony 272
548 tony 307 6. TIBXScript now uses the common SQL tokeniser from fbintf. This replaces the
549     internal SQL tokeniser routines.
550 tony 272
551 tony 307 7. Fix error in TIBXScript processing of "set" statements. This avoids exceptions
552     being raised for valid set statements processed by a data formatter.
553 tony 272
554 tony 307 8. New published property for TIBDatabase and TIBXServicesConnection. This is
555     FirebirdLibraryPathName: string. If not empty it is used to explicitly specify
556     the path of the Firebird Library used by the database/services connection.
557 tony 267
558 tony 307 9. New read only public property for TIBDatabase and TIBXServicesConnection. This
559     is FirebirdAPI and returns the IFirebirdAPI interface used by the database/
560     services connection.
561 tony 263
562 tony 307 10.SQL Property editors now quote parameter names if "Quote identifier" is selected
563     or param name is not a valid SQL identifier.
564 tony 263
565 tony 307 11. IBLookupComboEditBox: In Lazarus 2.0, TDBLookupComboBox takes a more restrictive
566     view of whether the text box should be editable when no DataSource is specified.
567     TIBLookupComboEditBox has been updated to workaround this problem. As long as
568     ReadOnly is false, the text box is editable when no DataSource is specified.
569 tony 263
570 tony 307 12. AllowUseOfFBLIB is now set to "true" at design time. This is to allow use of
571     the FBLIB environment variable. If you do not want to permit this then you
572     must modify the Register procedure in the design/IBDBReg.pas unit to remove
573     this setting.
574 tony 263
575 tony 307 IBX Change Log version (2.3-1) Thu, 25 Oct 2018 14:39:45 +0100
576 tony 263
577 tony 307 1. IBCustomDataset: replace deprecated function ValidUTF8String with call to
578     Utf8EscapeControlChars
579 tony 263
580 tony 307 IBX Change Log version (2.3-0) Mon, 16 Apr 2018 09:48:06 +0100
581 tony 263
582 tony 307 IMPORTANT: the source code tree has been re-organised for IBX 2.3. Please remove
583     all previous copies of the IBX source code tree before installing this release.
584 tony 263
585 tony 307 The IBX packages used by most users have not changed, with one exception. The
586     IBServices unit has been moved to the package iblegacyServices.lpk. To continue
587     to use the IBServices unit in your applications, please add the iblegacyServices
588     to the list of dependencies. To do this, open the Project Inspector and select
589     Add->New Requirement and select "ibLegacyServices" from the list of available
590     packages.
591 tony 263
592 tony 307 1. New unit IBXServices. The IBXServices unit is a re-architectured update of
593     the IBServices unit providing what is intended to be a clearer and easier to
594     use set of IB Services components. See Chapter 10 of the IBX User Guide for
595     more information and the guide to "Firebird Service Management Using IBX".
596     As indicated above, the legacy services components are still available and
597     provided in a separate package. There is no need to update working applications
598     using the older versions except for an additional package dependency.
599 tony 263
600 tony 307 2. The IBX packages and source code tree have been re-organised in an attempt to
601     finally get rid of the "duplicate ppu" warnings. This re-organisation should
602     not affect existing users. Section 2.3 of the IBX User Guide describes the
603     new set of IBX packages.
604 tony 263
605 tony 307 3. The ibx/examples/DBAdmin and the ibx/examples/services example have been
606     updated to use the new Services API components.
607 tony 263
608 tony 307 4. The iblocal package has been updated to use the new Services API components.
609 tony 241
610 tony 307 5. procedure SetAutoAdmin; in the new IBX Services this method is now a member of
611     TIBXSecurityService. It had been wrongly classified in the previous version
612     as a per database configuration item. It is global to a server and hence
613     correctly positioned as part of the Security Package. In the DBAdmin example,
614     the setting has moved to the mappings page.
615 tony 241
616 tony 307 6. TIBXScript: IgnoreCreateDatabase added. If true then CREATE DATABASE statements
617     are ignored.
618 tony 101
619 tony 307 7. TIBDatabase: DropDatabase now ensures that all transactions have been properly
620     closed before the database is dropped. Before and After Disconnect event handlers
621     are also fired.
622 tony 209
623 tony 307 8. TIBTransaction: OnStartTransaction event now fires every time the transaction
624     is started and not just the first time.
625 tony 209
626 tony 307 9. IBDataOutput: Use FormatFloat for all performance statistics to avoid platform
627     depenendency with comp type.
628 tony 209
629 tony 307 10. IBDataOutput: select query data output is now sent to stdout instead of stderr.
630 tony 209
631 tony 307 11. TIBDatabase: Remove regression. If a user login dialog changes the DatabaseName
632     then this is recognised and not ignored.
633 tony 209
634 tony 307 12. TIBDataSet, TIBQuery, TIBTable: additions:
635     function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
636     function GetPerfStatistics(var stats: TPerfCounters): boolean;
637     property EnableStatistics: boolean read FEnableStatistics write SetEnableStatistics;
638 tony 209
639 tony 307 GetRowsAffected returns the affected row counts from the last insert/update/delete
640     if EnableStatistics = true then GetPerfStatistics returns the current stats
641     counters for the select query. Note: stats accumulate after each fetch from
642     the database. To get total query cost after open, call the "Last" method
643     and then GetPerfStatistics.
644 tony 209
645 tony 307 See ibx/examples/consolemode for an example of the use of GetPerfStatistics
646 tony 209
647 tony 307 13. TIBExtract: Identity columns DDL. "Start with clause" now correctly encapsulated
648     in parenthesises.
649 tony 209
650 tony 307 14. TIBExtract: new published property "AlwaysQuoteIdentifiers". If true then in dialect 3
651     SQL identifiers are always delimited by double quotes. If false, then they are
652     only delimited if the identifier is a reserved word, contains lower case or special
653     characters. Set this property to true to retain previous behaviour.
654 tony 209
655 tony 307 15. Insert SQL Property Editor. In Insert Returning Clause, Identity column names
656     are now inserted in double quotes if not Reserved Words or valid SQL Identifiers.
657 tony 209
658 tony 307 16. TIBDataSet, TIBQuery, TIBTable: addition:
659     property MasterDetailDelay: integer {defaults to zero}
660 tony 209
661 tony 307 When non-zero and the dataset is a detail table referencing a master table
662     through either a MasterSource (TIBTable) or a DataSource (TIBDataSet, TIBQuery)
663     then a synchronisation delay is added (in milliseconds) between the master
664     row changing and the detail dataset being re-opened. If the master dataset
665     is scrolled before the delay expires then the delay is reset. This can be used
666     to avoid performance overheads when scrolling through a large master dataset.
667 tony 209
668 tony 307 Note: uses fptimer and hence requires a thread manager. Under Linux the
669     chreads unit must be included in your project. TTimer is not used in order
670     to avoid an LCL dependency. Requires FPC 3.0.2 or later.
671 tony 209
672 tony 307 17. TIBExtract: User role grants now excluded when etGrantsToUser not specified
673     with Extract Option eoDatabase.
674 tony 209
675 tony 307 18. TIBLookupComboEditBox: Workaround added for https://bugs.freepascal.org/view.php?id=33428
676     When a deLayoutChanged event is reported on the ListSource dataset, the
677     combobox text is updated. This allows a listsource (detail) to be in a Master/Detail
678     relationship with the control's datasource (master).
679 tony 209
680 tony 307 19. TIBExtract: Full BigInt value range now supported for Generators/Sequences.
681 tony 209
682 tony 307 20. TIBExtract: Select Procedures (Procedure type 1) now include "SUSPEND;" clause in their
683     stubs. Pedantic fix really, as procedures output in dependency order anyway.
684 tony 209
685 tony 307 21. TIBExtract: Package Headers and Package Bodies are now included in the extracted
686     DDL (Firebird 3 and later only).
687 tony 209
688 tony 307 22. TIBLookupComboBox Autocomplete Fixes:
689     i. Only appended text is now selected after autocomplete.
690     ii. Uppercase keys no longer ignored for autocomplete.
691     iii. Retain Prefix case is now honoured correctly.
692     iv. When a DataSource is assigned, typing after autocomplete now extends prefix
693     before autocomplete performed. i.e. behaviour now the same as when
694     no DataSource assigned.
695 tony 209
696 tony 307 23. TIBXScript: Single Line Comments starting with '--' are now ignored when occurring
697     between SQL statements.
698 tony 209
699 tony 307 24. TIBExtract: New published property CaseSensitiveObjectNames. If false (default) then
700     ObjectNames are converted to upper case before matching against metadata object
701     names, unless the objectname is delimited by double quotes, in which case, the
702     double quotes are removed and the remaining string is used (unmodified) to match
703     against the metadata object name.
704 tony 209
705 tony 307 If true then the ObjectName is used as is without modification and matched
706     against the metadata object name. No attempt is made to remove double quotes.
707 tony 209
708 tony 307 25. TIBExtract: New Extract Types: etDatabaseTriggers and etDDLTriggers. When used
709     with eoTrigger, these extract types can be used to select only Database Triggers,
710     or DDL Triggers or both. Ignored when etTable or etTrigger included in Extract Types.
711 tony 209
712 tony 307 26. TIBXScript: If an exception occurs during the processing of a statement, the
713     statement separate character is now reset to the default (';').
714 tony 221
715 tony 307 27. TIBDatabase: Reconnect method added and used by TIBXScript for reconnect.
716 tony 221
717 tony 307 28. TIBXScript: Transaction is no longer automatically reactivated immediately processing
718     a commit or reconnect statement and instead activated only when next SQL statement
719     is executed.
720 tony 221
721 tony 307 29. TIBSQL.HasField should no longer generate and exception when the field does not exist.
722 tony 225
723 tony 307 30. TIBXScript: case insensitive regex now used when matching statements instead of
724     converting statement to upper case.
725 tony 225
726 tony 307 31. TIBExtract: metadata comments now supported. New published property
727     IncludeMetaDataComments (default true). If true then metadata comments included
728     in extracted DDL. New Extract Object member eoComments. This may be used with
729     ExtractObject method to list all metadata comments.
730 tony 225
731 tony 307 32. TIBExtract: ListObjectNames method added.
732 tony 225
733 tony 307 33. Updated Database component editor to support additional connection string
734     types.
735 tony 226
736 tony 307 IBX Change Log version (2.2-0) Wed, 28 Feb 2018 10:57:45 +0000
737 tony 227
738 tony 307 NOTE: THE LOCATIONS OF SOME OF THE UNIT DIRECTORIES HAS CHANGED FROM IBX 2.1. THIS IS TO
739     AVOID DUPLICATE PPU WARNINGS. PLEASE REMOVE EARLIER VERSIONS OF IBX BEFORE INSTALLING THIS
740     RELEASE.
741 tony 229
742 tony 307 NOTE: THE DBADMIN DEMO REQUIRES THAT THE MemDSLaz PACKAGE IS INSTALLED IN THE LAZARUS IDE.
743 tony 229
744 tony 307 1. IBExtract: Identity columns - add additional check for null column for generator name.
745 tony 229
746 tony 307 2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
747     The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
748     information). However, this is also a very useful mechanism for returning updated computed by
749     column values. Values returned as a result of executing an Insert or Update statement
750     replace existing values in the current row for each corresponding column.
751 tony 229
752 tony 307 Previously, if a dataset's select query included read only (computed by) fields then
753     an automatic row refresh was performed after an insert or update query had been processed,
754     irrespective of the setting of the "ForcedUpdates" property. This has changed such
755     that an automatic refresh is no longer performed if an insert or update query contains
756     a returning clause that updates one or more fields on the current row. A full row
757     refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
758     field values and the select query contains read only fields. Use of Insert/update
759     returning should be significantly more efficient than executing a refresh query.
760 tony 229
761 tony 307 This behaviour change is intended to be backwards compatible and there should be no need to change
762     existing programs, other than to improve performance by using the new capability.
763 tony 229
764 tony 307 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
765     they are called when the dataset row is being deleted, there is no value in
766     updating the current record from the query result. Instead, a new event handler
767     "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
768     an OnDeleteReturning event handler is provided then it is called with the IResults returned
769     by the query. The event handler can then interrogate the query results and
770     perform whatever action is necessary. For example to confirm, to the user,
771     the deletion of a row with the returned values.
772 tony 231
773 tony 307 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
774     any Computed By or Identity Columns. The IBTables example has been updated to
775     illustrate the computation of the employee Full Name on update.
776 tony 209
777 tony 307 5. TIBTable: The GeneratorField property is now published.
778 tony 151
779 tony 307 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
780     When InsertSQL is generated, the Identity columns are not included in the list of values to
781     be inserted. A RETURNING clause is added to the insert statement to return the value of
782     each Identity column after the insert is executed.
783 tony 151
784 tony 307 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
785     Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
786     Insert..Returning clause.
787 tony 101
788 tony 307 8. TIBGenerator: small performance improvement by not preparing query each time
789     a new value is generated.
790 tony 101
791 tony 307 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
792    
793     10. Property editors will now sync table name to a System Table when "Include System
794     Tables" is selected and the query is for a System Table.
795    
796     11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
797     values are no longer converted to milliseconds from TDateTime and then back again
798     to TDateTime (the conversion to milliseconds is the default TDataset approach).
799    
800     12. Property Editors handling of Stored Procedures.
801     * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
802     which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
803     query).
804     * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
805    
806     13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
807     can be used to select a package. If non-empty, the stored procedure name is
808     expected to be a stored procedure defined in the specified package and the
809     generated SQL will be as required for a stored procedure located in a package.
810    
811     14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
812     a "Package Name" drop down box to allow selection of a Firebird 3 Package from
813     which a stored procedure can be selected. With no package name selected, non-package
814     stored procedures are listed.
815    
816     15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
817     for password on reconnect.
818    
819     16. TIBDatabase: use IAttachment for connection default character set id, code page
820     and character set name.
821    
822     17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
823     DB info lookups"
824    
825     18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
826    
827     19. Add a property Editor for TIBUpdate.RefreshSQL.
828    
829     20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
830     parameters. This stops an exception being raised when the field cannot be
831     located in the record buffer.
832    
833     21. Property Editors now automatically include System Tables when opened and when the query table
834     is a System Table.
835    
836     22. IBServices: SQRB and SRB buffers are now reset when service query throws an exception.
837     This avoids errors due to a stale SQRB or SRB being used for the next query.
838    
839     23. IBServices: Service attach parameters now include "expected_db". This is used to
840     add the SPB item isc_spb_expected_db. This names a database using
841     an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
842     database. examples/services re-written to illustrate use of "expected_db".
843    
844     24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
845     This avoids truncated backups when the server returns a timeout (busy) response.
846    
847     25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
848    
849     26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
850     databasenames. These are respectively expanded to the local system's temp directory
851     (including trailing delimiter) or to a prescribed data directory (including
852     trailing delimiter). Under Unix systems the data directory is a hidden directory
853     in the user's home directory. The hidden directory name is either the string returned
854     from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
855     Under Windows, the directory is the same as the Data Directory as decribed
856     above but instead prefixed by the User's application data path. These may be
857     used to improve application portability for Personal Databases.
858    
859     27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
860     this has not worked for a long time and is not useful either. FieldDefs should be
861     managed using the Fields Editor as with any other dataset. To access the fields
862     editor for a TIBTable component, double click on the component. The fields editor
863     is then displayed.
864    
865     28. TIBDatabaseInfo: new properties/function
866     * DateDBCreated (returns date/time database created)
867     * TransactionCount (returns no. of active transactions)
868     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
869     * PagesFree (Firebird 3 or later)
870     * PagesUsed (Firebird 3 or later)
871     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
872     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
873    
874     29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
875    
876     30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
877    
878     31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
879     the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
880    
881     32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
882     in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
883     firing during backup and restore.
884    
885     33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
886     for verbose output using the new property "StatisticsRequested".
887     see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
888    
889     34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
890    
891     35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
892     palette. This uses the online validation feature added in Firebird 2.5. The
893     services's properties enable inclusion/exclusion of tables and indexes using
894     regular expressions. See.
895     https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
896    
897     36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
898     option on a database.
899    
900     37. TIBCustomService: Assign method implemented to allow copying of service login
901     context between service API components. "Detach" method now only detaches
902     service when last reference to the service interface detaches. Tidy up of
903     code for SetActive and Attach methods including password hiding.
904    
905     38. TIBDatabase: new properties: AuthenticationMethod and RemoteProtocol. Read only
906     and used to determine the auth method and protocol used for the connection.
907    
908     39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
909     a Create Database Statement generated by IBX.
910    
911     40. All IBServices now have an additional published property "PortNo". This may
912     be set to a non-standard port number when necessary. If zero then the default
913     port number is used.
914    
915     41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
916     and not just the mouse.
917    
918     42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
919    
920     43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
921     image index and selected image index for each node to be set from a database field.
922    
923     44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
924     then database schema includes grants to all users. If not present then the
925     only user grants included are those to User PUBLIC.
926    
927     45. TIBTreeView: performance improvement. When expanding include both expanded node
928     and child nodes in dataset.
929    
930    
931     IBX Change Log version (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
932    
933     1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
934     changes.
935    
936     2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
937     Bug could result in truncated multi-byte character set values.
938    
939     3. Changes consequential on moving fbintf character set utility functions from
940     IFirebirdAPI to IAttachment.
941    
942     4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
943    
944     5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
945     results in autocomplete ignoring prefix text.
946    
947     6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
948     entering a new name into the text box.
949    
950     7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
951     Firebird rather than recomputing it.
952    
953     8. Property Editor positioning tidy up: All IBX Property editors should now be
954     screen centre. Previously some were "poDesigned" which may be inappropriate
955     for multi monitor desktops.
956    
957     10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
958    
959     11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
960     a transaction and always reset the object.
961    
962     12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
963    
964     13. TIBXScript: Allow for override of database filename in Create Database statements.
965    
966     14. IBLocaldb: Support initialisation of the database from an SQL script in addition
967     to a gbak format archive.
968    
969     15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
970    
971     16. IBLocaldb: Drop database if error creating an empty database.
972    
973     17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
974     unless selected node not in current dataset.
975    
976     18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
977     to TIBCustomService, and IBlocalDB code tidy up.
978    
979     19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
980     behaviour due to uninitialised variable.
981    
982     20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
983     integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
984    
985     21. IBSQL: When Database changed ensure that all resources are freed.
986    
987     22. IBCustomDataset: When database changed ensure that queries an unprepared.
988    
989     23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
990     * Line Wrap on SQL Token boundaries (on user command)
991     * auto-complete table names in drop down list of table names
992     * Double click on tablename or field name adds to SQL text
993    
994     24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
995    
996     25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
997     TVariantArray. Seems to avoid memory corruption in Windows (probably a
998     workaround for a problem in fpc 3.0.4 win64).
999    
1000     26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
1001    
1002     27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
1003    
1004     IBX Change Log version (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
1005    
1006     1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
1007     include remote system name.
1008    
1009     2. TIBExtract: No longer include comment header and COMMIT statement for empty
1010     tables when data included in output.
1011    
1012     3. Profiling: IBSQL now has conditional compilation flags to enable query performance
1013     and timing information to be written to stdout. This may be used to locate
1014     performance bottlenecks.
1015    
1016     4. SQLParser: only call "OnChanging" event handler when value is different.
1017    
1018     5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
1019    
1020     6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
1021     that BindFields is called when the query is next activated. Avoids FieldName
1022     not found error.
1023    
1024     7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
1025     purpose and allows the programmer to define any action they want for Update, Insert
1026     or Delete. This may be complex SQL (similar to a Trigger), application specific
1027     filtering of updates, or use of statements such as Grant or Revoke instead of
1028     normal DML. See User Manual for more information.
1029    
1030     IBX Change Log version (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
1031    
1032     1. TIBEvents: Fix uninitialised variable that could result in lost events.
1033    
1034     2. TIBExtract: Added support for FB3 "USAGE" privilege.
1035    
1036     3. TIBExtract: data formatted as Charset set "octets" is now output using
1037     hexadecimal notation.
1038    
1039     4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
1040     using a simple XML format.
1041    
1042     5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
1043     grants to these objects.
1044    
1045     6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
1046     dependency problems restoring complex databases.
1047    
1048     7. TIBXScript: This component has been restructured to allow for the processing of
1049     embedded XML in INSERT statements and to support interactive sources in addition
1050     to non-interactive data sources such as files.
1051    
1052     8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
1053    
1054     9. TIBXScript: ISQL compatiable Set statements are now supported:
1055     SET SQL DIALECT
1056     SET TERM
1057     SET AUTODDL
1058     SET BAIL
1059     SET ECHO
1060     SET COUNT
1061     SET STATS
1062     SET NAMES <character set>
1063    
1064     10. IBVersion unit added to hold current IBX Version Number information.
1065    
1066     11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
1067     and domain definitions.
1068    
1069     12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
1070     fully supported.
1071    
1072     13. TIBExtract: when a database dump includes data, the generator values are now also set.
1073    
1074     14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
1075    
1076     IBX Change Log version (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
1077    
1078     See also doc/IBX4LazarusGuide.pdf for important information on
1079     upgrading to IBX2.
1080    
1081     1. Size property of TIBStringField is now the width in characters of the field
1082     and not the byte length. This applies only to multi-byte character sets such
1083     as UTF8. The original approach aligned with TStringField. However, the TStringField
1084     code is not recognised as a bug and hence this change to align the behaviour.
1085     The TStringField change is expected in fpc 3.2.0.
1086    
1087     2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
1088     true (default) then Size property value saved in the lfm is ignored. Size is
1089     always set from the dynamic information read from the database. It is unclear
1090     why anyone would want to override this and set Size to false.
1091    
1092     3. ibxscript: should now handle correctly a Case..End statement within a procedure
1093     block.
1094    
1095     4. IBDatabase: new property - CreateIfNotExists. If true and database does not
1096     exist when an attempt is made to connect to it (run time only) then an attempt
1097     is made to create the database.
1098    
1099     5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
1100     has been successfully created as a result of a call to CreateDatabase or when
1101     creating a database after it was found not to exist.
1102    
1103     6. DBControlGrid: a race condition could result in the wrong row image being
1104     written to the cache. This has been avoided by a trip round the message
1105     loop before rendering the row image.
1106    
1107     7. DBControlGrid: It is strongly recommended not to open the source DataSet for
1108     a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
1109     known to risk corrupt rendering of row images when the control is first
1110     displayed. If necessary use "Application.QueueAsyncCall" to delay opening
1111     of the dataset (see DBControlGrid examples) until the Form's Window has been created.
1112    
1113     8. DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
1114     a TDateEdit control located on an editor panel.
1115    
1116     9. TIBExtract: brought up-to-date plus many bug fixes.
1117    
1118     10. DBControlGrid: Removed memory leak when updating rows.
1119    
1120     11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
1121    
1122     IBX Change Log version (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
1123    
1124     1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
1125     when target codepage is CP_NONE. This is a workaround for
1126     http://bugs.freepascal.org/view.php?id=30622.
1127    
1128     2. DBLog option removed from TIBStatisticalService - not supported by server
1129     since Firebird 1.5.
1130    
1131     3. ibxscript: An error is no longer generated for "on commit preserve rows" or
1132     similar.
1133    
1134     4. IBCodePage: updated mapping between codepages and character id.
1135    
1136     5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
1137     Firebird. Character sets with a char width of two are not UTF16.
1138    
1139     6. Strings received from the database are now always transliterated into UTF8
1140     regardless of the database character set or connection character set. This
1141     is for compatibility with the LCL.
1142    
1143     IBX Change Log version (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
1144    
1145     1. IBBlob: Defer reading of blob until read method called. This avoids having to
1146     read in an entire blob just to get the size of the blob. General performance
1147     improvement when opening datasets containing blobs.
1148    
1149     2. Clearing a Blob now sets the corresponding field's modified flag.
1150    
1151     3. IBLookupCombo: When not performing auto-complete, original query sort order
1152     is now used.
1153    
1154     4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
1155     determined.
1156    
1157     5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
1158    
1159     6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
1160     lazarus 1.6.0
1161    
1162     7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
1163     compilation error.
1164    
1165     IBX Change Log version (1.4-1) Tue, 17 May 2016 09:14:51 +0100
1166    
1167     1. No character set specified for connection: when a text blob is retrieved, the
1168     character set is determined by looking up the native character set using then
1169     Firebird API. Otherwise a text mode blob is assumed to have the same character
1170     set as the connection.
1171    
1172     2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
1173     for Login Dialog returing a change to the database path.
1174    
1175     3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
1176     to be changed from that given in the TIBDatabase/TIBServer component and for the
1177     entered value to be saved on a project specific basis (design time only).
1178    
1179     4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
1180     column fieldname. If they are the same then it is acts as a look up for the KeyValue
1181     Otherwise, it sets the column text to the selected ListField Value.
1182    
1183     5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
1184     column width.
1185    
1186     6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
1187     and a case insensitive search is requested.
1188    
1189     7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
1190     or column ListSource.
1191    
1192     8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
1193     unprepare) when closing and the text has not changed.
1194    
1195     9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
1196     Less likely to cause a cursor re-use error on Windows.
1197    
1198     10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
1199     Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
1200    
1201     11. TIBTreeView: Guard against nil destination on record changed
1202    
1203     12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
1204     string type with the code page set to reflect the returned field encoding after
1205     Firebird driver transliteration, if any. FPC 3.0.0 onwards only. Behaviour unchanged for
1206     earlier versions.
1207    
1208     13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
1209     will now result in transliteration to the code page specified for the Firebird driver
1210     if the assigned string has a different code page. FPC 3.0.0 onwards only.
1211    
1212     14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
1213     is ignored and the lc_ctype value, when the database is opened, is set to align with
1214     the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
1215     platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
1216     3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
1217     the GETACP is used to determine the Windows code page.
1218    
1219     15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
1220     name used as the lc_ctype when the database was opened. Only valid while the
1221     Database is connected.
1222    
1223     16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
1224     id that corresponds to the DefaultCharSetName.
1225    
1226     IBX Change Log version (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
1227    
1228     1. Unix: If Firebird Embedded Server shared object is loaded and a local database
1229     path is given and database attach fails due to access permission issues on the
1230     temp directory or security database, then the attach is retried with "localhost:"
1231     prefixing the databasename. This should avoid problems when the database has to
1232     be accessed by a local (e.g. classic) server and libfbembed is used.
1233    
1234     2. Windows: revised search order for Firebird DLL:
1235     i. The Firebird Embedded Server in the application Directory.
1236     ii. If the FIREBIRD environment variable is set then the directory this
1237     points to is searched for the FB Client DLL and then then underlying
1238     "bin" directory.
1239     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
1240     is used to locate the Firebird installation directory and the underlying
1241     "bin" directory is searched for the FB Client DLL.
1242     iv. The Default installation directories C:\Program Files\Firebird\Firebird_2_x
1243     are searched for the FB Client DLL.
1244     v. The PATH Environment variable is used to search for the FB Client DLL.
1245     vi. Finally the PATH Environment variable is used to search for IBASE.DLL.
1246    
1247     3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
1248     See doc/readme.scriptengine and example applications.
1249    
1250     4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
1251     simplify the use of the embedded firebird server on both Linux and Windows platforms.
1252     See dpc/readme.localdatabase and example applications.
1253    
1254     5. IBDynamicGrid: Reordering on column header click should now also work for
1255     dynamic columns.
1256    
1257     6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
1258     between incrementing/decrementing the lock count and signalling the event.
1259    
1260     IBX Change Log version (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
1261    
1262     1.3.2 was never formally released and only made available as beta copies.
1263    
1264     1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
1265    
1266     2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
1267    
1268     3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
1269    
1270     4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
1271     i.e. when it is a calculated field
1272    
1273     5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
1274     This problem was due to a race condition between recalculating row heights and
1275     determining which row was selected by the mouse click. The row height calculation
1276     is now deferred by an extra trip round the message loop allowing the row to
1277     be always calculated on the current grid layout rather than risking it being
1278     calculated on the grid layout after the expanded row has been shrunk.
1279    
1280     6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
1281     Windows.
1282    
1283     7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
1284     These properties allow the (Firebird) character set name for the field and the max number of bytes per character
1285     to be determined at runtime. See doc/readme.charactersets.html.
1286    
1287     8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
1288     TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
1289    
1290     9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
1291     TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
1292     1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
1293    
1294     Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
1295     from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
1296     implies no truncation.
1297    
1298     10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
1299    
1300     11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
1301     (avoids "Not in Edit Mode" error).
1302    
1303     12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
1304    
1305     13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
1306     DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
1307    
1308     14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
1309    
1310     15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
1311    
1312     16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
1313    
1314     17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
1315    
1316     IBX Change Log version (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
1317    
1318     1. OnCloseUp Event Handler added to TDBLookupProperties
1319    
1320     2. IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
1321     problem with row size when exception is called.
1322    
1323     3. IBLookupComboEditBox: Force pending autocomplete on combobox exit.
1324    
1325     4. IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
1326     in a TCustomComboBox and ignores return key if in a TCustomMemo
1327    
1328     5. IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
1329     keyed in i.e. when autocomplete not performed
1330    
1331     6. Cleanup of "Uses" clauses and add console mode support. IBX should now support
1332     console mode applications with all LCL required functions (builtin dialogs and
1333     cursor management) centralised in the IBDialogs unit. As long as "IBDialogs" is
1334     not included in your project, IBX should compile and link with a console mode program.
1335     See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
1336     console mode application or the IDE will automatically assume that your
1337     application is GUI based. Instead, you should include the ibexpressconsolemode package.
1338    
1339     IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
1340     to use the built in dialogs and cursor management. IBDialogs is
1341     included by default if "ibexpress" is in your project source's "uses" clause.
1342     This should be the case for all projects created through the IDE. This is why
1343     you do not want to add the ibexpress package to console mode applications. The
1344     ibexpressconsolemode package has been created to allow console mode programs
1345     to avoid adding LCL dependencies when using IBX, while still having the
1346     unit search paths set up correctly.
1347    
1348     Existing users should check to ensure that the "ibexpress" unit is included in
1349     each project's source file (*.lpr).
1350    
1351     You may find that in order for the IDE to recognise that ibexpressconsolemode
1352     exists, you have to first open the package in the IDE and then close it. This
1353     adds it to the most recently accessed packages list. To make it permanently
1354     available, add the package name to lazarus' staticpackages.inc file.
1355    
1356     Thanks to Julio Jiménez for suggesting support of console mode.
1357    
1358     7. SQL Parser can now accept quoted strings that include new lines
1359    
1360     8. IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
1361     of text on start of edit. This is particularly useful when tabbing to a
1362     column and then inserting text.
1363    
1364     9. New Examples provided for IB Services and ISQLMonitor.
1365    
1366     10. Fix error when writing to blob streams that recorded only the last buffer
1367     write in the blob stream. In most cases, this did not cause a problem as the
1368     IB Blob Stream is written in a single write. However, with the TDBImage, write
1369     of a graphic type prefix was lost which caused a problem when the image could
1370     not be automatically recognised.
1371    
1372     11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
1373     already open" errors due to random numbers used for the cursor name being identical.
1374    
1375     12. IBTable: corrected error that could result in an "Index out of bounds" error
1376     when opening the table and the Primary Key is the last or only column in the
1377     table. Thanks to Rick Hoover for the fix.
1378    
1379     13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
1380     of "UTF-8", and update list of available database character sets. Existing
1381     users should check the current lc_ctype setting in their applications.
1382    
1383     IBX Change Log version (1.2-4) Sat, 09 May 2015 12:38:29 +0100
1384    
1385     1. Firebird Services: avoid List Index error when opening a service with an
1386     empty Params property.
1387    
1388     2. IBControls: Fix problem with new link mechanism introduced in 1.2.3.
1389     Link now set up in Loaded method - avoids occasional failure to apply
1390     SQL markup on initial open.
1391    
1392     3. "Employees" example performance improvements when scrolling.
1393    
1394     4. DBControlGrid: Correctly handle edit panel removal when panel is child control of a
1395     TFrame. Force recaching of selected frame to avoid GTK race (results in a
1396     random image cached).
1397    
1398     5. DBControlGrid: Should now react to changes in panel height at run time.
1399    
1400     6. IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid
1401     even when further rows exist.
1402    
1403     7. DBControlGrid: DefaultRowHeight is no longer a published property as it should
1404     always be derived from panel height and setting this property can cause confusion.
1405     Note for existing projects: to avoid a missing property error at run time,
1406     each form using the DBControlGrid must be opened, updated and saved in the IDE
1407     in order to remove the property value from the lfm.
1408    
1409    
1410     IBX Change Log version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
1411    
1412     1. TIBStoredProc. Prepare now called by ParamByName to avoid need to always
1413     call Prepare before setting parameter values.
1414    
1415     2. Error message on ParamByName (all cases) not found now includes name of missing parameter.
1416    
1417     3. Code tidyup and more robust handling of dsql information result vector.
1418    
1419     4. Support for centralised handling of transaction status changes. TIBTransaction
1420     has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
1421     and "AfterExecQuery". The first three are called after the same event is called
1422     for an IBCustomDataSet descendent using the Transaction. The fourth is called
1423     after a call to TIBSQL.ExecQuery, again using this transaction. These new events
1424     enable monitoring of transaction status changes for a given transaction to be
1425     handled in a single place. For example, when a change to the dataset occurs
1426     an indicator can be set that shows the user that in order to save changes,
1427     the transaction should be committed. Rather than doing this per dataset, this
1428     can now be done per transaction.
1429    
1430     5. TDataSet.CheckBrowseMode automatically posts changes to the current row when
1431     the dataset is scrolled. However, any changes to the current row are, by default,
1432     discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
1433     have a new property "DataSetCloseAction" that adds automatic posting of changes
1434     on dataset close. If this property is set to dcDiscardChanges (default) then the
1435     behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
1436     then IBX will attempt to post any unsaved changes before the dataset is closed
1437     (and after the BeforeClose event handler is called). The exception is when the
1438     dataset is being closed as a result of a transaction rollback. In this case,
1439     no action is taken and any unsaved changes are discarded. This avoids both
1440     unnecessary overhead and the risk that a validation error may occur in the Post
1441     raising an exception and thereby preventing a rollback.
1442    
1443     6. String Field sizes and Display Widths should now be correct for multi-byte character sets.
1444     In earlier versions, the Display Width was set to the maximum byte width rather than the character
1445     width. Display Widths are now corrected by dividing by the max byte width per character.
1446     For UTF8 character sets, the byte width is four and hence the Display Width will be
1447     the byte width divided by 4. The byte width of each character set is determined
1448     dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
1449     system table. (see also http://bugs.freepascal.org/view.php?id=27766).
1450    
1451     7. SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
1452    
1453     8. IBLookupComboEditBox: List should now always be restored to full list when the
1454     control loses focus. Default Key press default interval reduced to 200ms.
1455    
1456     9. DBControlGrid: Ensure that selection is changed to newly appended row, even
1457     when dataset rows are less than visible rows.
1458    
1459     10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
1460     does not exist or DataSet is empty. More responsive on dataset open. New event
1461     OnRestorePosition. Column sort disabled if no header row.
1462    
1463     11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
1464     while dataset state is dsInsert. Avoids posting errors.
1465    
1466     12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
1467     avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
1468    
1469     13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
1470    
1471     14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
1472     to solve a specific problem. That is when the dataset cursor is moved (e.g. by
1473     a grid mouse click and the current row is being edited or inserted. In this case, TDataset
1474     always "posts" the current record regardless or whether or not it may be more appropriate
1475     to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
1476     "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
1477     as the first action of the "Post" method and allows the handler to convert the Post
1478     into a Cancel if that is the appropriate action on moving to a different row. This is
1479     achieved by returning with "CancelPost" argument set to true. Note that an exception could be
1480     raised here, but it may still be more appropriate to validate a post and signal
1481     a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
1482    
1483     15. On Unix derived systems, the Firebird library name can now be given as a colon
1484     separated list. Each library name on the list is tried in turn, in left to right
1485     order with the first found being used as the firebird library. By default, on Linux,
1486     the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
1487     overidden by the FBLIB environment variable or the OnGetLibraryName function.
1488    
1489     Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
1490     then it will still attempt to access the database via the Firebird Server and will
1491     require a username and password. If only the pathname is given, then the username
1492     and password should be omitted and the unix file permissions are used to grant
1493     access.
1494    
1495     IBX Change Log version (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
1496    
1497     1. A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
1498     rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
1499     that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
1500     corresponds to a row of the linked DataSource. Any data aware control on the
1501     replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
1502    
1503     2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
1504     When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
1505     takes place during database access. This may be useful when there are performance issues with
1506     the change of cursor. Setting the property to false suppresses the change of cursor.
1507    
1508     3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
1509     and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
1510     Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
1511     making all changes permanent immediately rather than when the transaction is explicitly
1512     committed.
1513    
1514     4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
1515     using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
1516    
1517     IBX Change Log version (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
1518    
1519     Development version only.
1520    
1521     IBX Change Log version (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
1522    
1523     1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
1524     This is typically used during an "OnBeforeOpen" event handler to manipulate the
1525     "Where" and "Having" clauses to implement user specified filters of arbitrary
1526     complexity.
1527    
1528     2. A new Component Palette entry "Firebird Data Controls" is now available. This has
1529     three new data aware controls dependent on IBX and which make use of the SQL Parser.
1530     These are:
1531    
1532     - TIBLookupComboEditBox
1533     - TIBDynamicGrid
1534     - TIBTreeview
1535    
1536     TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
1537     of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
1538     to revise the available list and restrict it to items that are prefixed by the
1539     typed text (either case sensitive or case insensitive). Autoinsert allows a
1540     newly typed entry to be added to the list dataset and included in the available
1541     list items.
1542    
1543     TIBDynamicGrid is a TDBGrid descendent that provides for:
1544     - automatic resizing of selected columns to fill the available row length
1545     - automatic positioning and sizing of a "totals" control, typically at the
1546     column footer, on a per column basis.
1547     - DataSet resorting on header row click, sorting the dataset by the selected column.
1548     A second click on the same header cell reversed the sort order.
1549     - Support for a "Panel Editor". That is on clicking the indicator column, the row
1550     is automatically expanded and a panel superimposed on it. The panel can have any
1551     number of child controls, typically data aware controls with the same datasource
1552     as the grid allowing for editing of additional fields and more complex editors.
1553     - Reselection of the same row following resorting.
1554     - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
1555     Its properties are specified on a per column basis and allows for one or more
1556     columns to have their values selected from a list provided by a dataset.
1557     Autocomplete and autoinsert are also available. The existing picklist editor
1558     is unaffected by the extension.
1559    
1560     TIBTreeView is a data aware TCustomTreeView.
1561    
1562     3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
1563     zero scale will no longer return an error. An Int64 will be returned instead.
1564    
1565     4. TIBTransaction now has events for Before and After Transaction End and a new function
1566     "GetEndAction" allowing the EndAction to be accessed by these event handlers.
1567    
1568     5. TIBQuery can now handle correctly queries which contain the same keyword parameter
1569     repeated multiple times.
1570    
1571     6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
1572     check used to get in the way of using Stored Procedures, and "Update or Insert"
1573     statements.
1574    
1575     7. Insert, Modify and Delete property Editors now support Query Generation from
1576     Stored Procedures.
1577    
1578     8. Three new examples illustrate the use of the new IB Controls
1579    
1580    
1581     IBX Change Log version (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
1582    
1583     1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
1584     setting performance. See "readme.field+param.names in the doc folder.(Thanks to
1585     Gabor Boros for reporting this problem and for testing the improvements).
1586    
1587     2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
1588     See readme.field+param.names in the doc folder.
1589    
1590     3. IBX SQL Editors will now automatically add double quotes around column names when the database
1591     dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
1592    
1593     4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
1594    
1595     5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
1596     actions.
1597    
1598     6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
1599     thanks to Yuriy Kopnin for pointing this out).
1600    
1601     7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
1602    
1603     8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
1604     for both fields and parameter setting.
1605    
1606     9. Changes to the Select SQL in an IBCustomDataset descendent should now be
1607     visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
1608    
1609     10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
1610     when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
1611    
1612     11. TIBTable now has a property editor for "MasterFields"
1613    
1614     12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
1615     GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
1616    
1617     13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
1618     of settings is unrecognised. Selecting this radio button has no effect on the settings.
1619    
1620    
1621     IBX Change Log version (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
1622    
1623     1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.
1624    
1625     IBX Change Log version (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000
1626    
1627     1. In a TIBCustomDataset descendent, a generator now only sets the value when
1628     it is null. This allows for alternative user defined setting of the generator
1629    
1630     Many thanks to Julio Jiménez for this fix
1631    
1632     2. An Error Dialog is now displayed in the Lazarus IDE if IBX cannot find the Firebird Library
1633     and suggests that the user may have forgotten to install it.
1634    
1635     IBX Change Log version (1.0-3) Thu, 22 Nov 2012 22:53:39 +0000
1636    
1637     1. Conditional compilation used to limit registration of TIntegerField to
1638     Lazarus versions less than 1.1
1639    
1640     2. When a database connection is created, character set is now by default set
1641     to UTF8 (Unix) or to the current Windows code page (Windows) if in the range
1642     1250 to 1254.
1643    
1644    
1645     IBX Change Log version (1.0-2) Tue, 09 Oct 2012 09:10:30 +0100
1646    
1647     1. TBookmark change conditional compile changed to > 2.6.2 to match expected availability of change.
1648    
1649    
1650     IBX Change Log version (1.0-1) Sun, 05 Aug 2012 20:00:04 +0100
1651    
1652     1. In IBCustomDataset. Changed CurBookmark from string to TBookmark for compiler versions > 2.6.0
1653     Necessary because of TBookmark type and TDataSet.Bookmark property change in fpc 2.7.1
1654    
1655     2. IBX now registers TIntegerField as a "No Icon" component. This may be removed if the fpc DB
1656     package is changed to do this (which it should do).
1657    
1658     IBX Change Log version (1.0-0) Sat, 28 Apr 2012 16:43:00 +0100
1659    
1660     1. Add "if active then active := false" to TIBCustomDataset destructor. (Avoid error on database close).
1661    
1662     2. Make use of $STATIC conditional in IBSQLMonitor (Needed for FPC 2.6.0 compliance)
1663    
1664     3. Database Property Editor: Character Set drop down box now uses "OnChange" rather than "OnCloseUp" to react to changes
1665    
1666     4. Property editors should now correctly resize.
1667    
1668     5. In IBDatabaseEdit.TestClick, the LoginPrompt is now set to the state of the LoginPrompt Checkbox
1669     (restored original functionality)
1670    
1671     6. Under OSX, if IBX fails to load libfbclient.dylib, it will now try and load the firebird
1672     library using the absolute path /Library/Frameworks/Firebird.framework/Firebird.

Properties

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