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Revision: 105
Committed: Thu Jan 18 14:37:32 2018 UTC (6 years, 2 months ago) by tony
File size: 39402 byte(s)
Log Message:
Property Editor Fixes

File Contents

# User Rev Content
1 tony 104 IBX Change Log version (2.1-1) Sun, 07 Jan 2018 15:15:13 +0000
2 tony 101
3     1. IBExtract: Identity columns - add addition check for null column for generator name.
4    
5     2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
6     The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
7     information). Values returned as a result of executing an Insert or Update statement
8     replace existing values in the current row for each corresponding column.
9    
10     3. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
11     When InsertSQL is generated, the Identity columns are not included in the list of values to
12     be inserted. A RETURNING clause is added to the insert statement to return the value of
13     each Identity column after the insert is executed.
14    
15 tony 104 4. TIBGenerator: small performance improvement by not preparing query each time
16     a new number is generated.
17    
18     5. TIBSQL: Free resources when transaction changed.
19    
20 tony 105 6. Property editor will now sync table name to a System Table when "Include System
21     Tables" is selected and the query is for a System Table.
22    
23     7. Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
24     Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
25     Insert..Returning clause
26    
27 tony 90 IBX Change Log version (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
28 tony 56
29     1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
30     changes.
31    
32 tony 58 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
33     Bug could result in truncated multi-byte character set values.
34    
35 tony 60 3. Changes consequential on moving fbintf character set utility functions from
36     IFirebirdAPI to IAttachment.
37    
38 tony 62 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
39    
40 tony 64 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
41     results in autocomplete ignoring prefix text.
42    
43 tony 65 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
44     entering a new name into the text box.
45    
46 tony 66 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
47     Firebird rather than recomputing it.
48    
49 tony 67 8. Property Editor positioning tidy up: All IBX Property editors should now be
50     screen centre. Previously some were "poDesigned" which may be inappropriate
51     for multi monitor desktops.
52    
53 tony 80 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
54    
55     11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
56     a transaction and always reset the object.
57    
58     12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
59    
60     13. TIBXScript: Allow for override of database filename in Create Database statements.
61    
62     14. IBLocaldb: Support initialisation of the database from an SQL script in addition
63     to a gbak format archive.
64    
65     15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
66    
67     16. IBLocaldb: Drop database if error creating an empty database.
68    
69     17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
70     unless selected node not in current dataset.
71    
72     18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
73     to TIBCustomService, and IBlocalDB code tidy up.
74    
75     19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
76     behaviour due to uninitialised variable.
77    
78     20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
79     integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
80    
81     21. IBSQL: When Database changed ensure that all resources are freed.
82    
83     22. IBCustomDataset: When database changed ensure that queries an unprepared.
84    
85 tony 84 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
86     * Line Wrap on SQL Token boundaries (on user command)
87     * auto-complete table names in drop down list of table names
88     * Double click on tablename or field name adds to SQL text
89 tony 80
90     24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
91    
92     25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
93     TVariantArray. Seems to avoid memory corruption in Windows (probably a
94     workaround for a problem in fpc 3.0.4 win64).
95    
96     26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
97    
98 tony 83 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
99    
100 tony 51 IBX Change Log version (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
101 tony 49
102 tony 51 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
103 tony 49 include remote system name.
104    
105     2. TIBExtract: No longer include comment header and COMMIT statement for empty
106     tables when data included in output.
107    
108     3. Profiling: IBSQL now has conditional compilation flags to enable query performance
109     and timing information to be written to stdout. This may be used to locate
110     performance bottlenecks.
111    
112     4. SQLParser: only call "OnChanging" event handler when value is different.
113    
114     5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
115    
116 tony 50 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
117     that BindFields is called when the query is next activated. Avoids FieldName
118     not found error.
119    
120 tony 80 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
121     purpose and allows the programmer to define any action they want for Update, Insert
122     or Delete. This may be complex SQL (similar to a Trigger), application specific
123     filtering of updates, or use of statements such as Grant or Revoke instead of
124     normal DML. See User Manual for more information.
125    
126 tony 47 IBX Change Log version (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
127 tony 45
128 tony 47 1. TIBEvents: Fix uninitialised variable that could result in lost events.
129 tony 45
130 tony 47 2. TIBExtract: Added support for FB3 "USAGE" privilege.
131    
132     3. TIBExtract: data formatted as Charset set "octets" is now output using
133     hexadecimal notation.
134    
135     4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
136     using a simple XML format.
137    
138     5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
139     grants to these objects.
140    
141     6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
142     dependency problems restoring complex databases.
143    
144     7. TIBXScript: This component has been restructured to allow for the processing of
145     embedded XML in INSERT statements and to support interactive sources in addition
146     to non-interactive data sources such as files.
147    
148     8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
149    
150     9. TIBXScript: ISQL compatiable Set statements are now supported:
151     SET SQL DIALECT
152     SET TERM
153     SET AUTODDL
154     SET BAIL
155     SET ECHO
156     SET COUNT
157     SET STATS
158     SET NAMES <character set>
159    
160     10. IBVersion unit added to hold current IBX Version Number information.
161    
162     11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
163     and domain definitions.
164    
165     12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
166     fully supported.
167    
168     13. TIBExtract: when a database dump includes data, the generator values are now also set.
169    
170     14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
171    
172     IBX Change Log version (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
173    
174 tony 50 See also doc/IBX4LazarusGuide.pdf for important information on
175 tony 45 upgrading to IBX2.
176    
177     1. Size property of TIBStringField is now the width in characters of the field
178     and not the byte length. This applies only to multi-byte character sets such
179     as UTF8. The original approach aligned with TStringField. However, the TStringField
180     code is not recognised as a bug and hence this change to align the behaviour.
181     The TStringField change is expected in fpc 3.2.0.
182    
183     2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
184     true (default) then Size property value saved in the lfm is ignored. Size is
185     always set from the dynamic information read from the database. It is unclear
186     why anyone would want to override this and set Size to false.
187    
188     3. ibxscript: should now handle correctly a Case..End statement within a procedure
189     block.
190    
191     4. IBDatabase: new property - CreateIfNotExists. If true and database does not
192     exist when an attempt is made to connect to it (run time only) then an attempt
193     is made to create the database.
194    
195     5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
196     has been successfully created as a result of a call to CreateDatabase or when
197     creating a database after it was found not to exist.
198    
199     6. DBControlGrid: a race condition could result in the wrong row image being
200     written to the cache. This has been avoided by a trip round the message
201     loop before rendering the row image.
202    
203     7. DBControlGrid: It is strongly recommended not to open the source DataSet for
204     a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
205     known to risk corrupt rendering of row images when the control is first
206     displayed. If necessary use "Application.QueueAsyncCall" to delay opening
207     of the dataset (see DBControlGrid examples) until the Form's Window has been created.
208    
209     8. DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
210     a TDateEdit control located on an editor panel.
211    
212     9. TIBExtract: brought up-to-date plus many bug fixes.
213    
214     10. DBControlGrid: Removed memory leak when updating rows.
215    
216     11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
217    
218 tony 43 IBX Change Log version (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
219    
220     1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
221     when target codepage is CP_NONE. This is a workaround for
222     http://bugs.freepascal.org/view.php?id=30622.
223    
224     2. DBLog option removed from TIBStatisticalService - not supported by server
225     since Firebird 1.5.
226    
227     3. ibxscript: An error is no longer generated for "on commit preserve rows" or
228     similar.
229    
230     4. IBCodePage: updated mapping between codepages and character id.
231    
232     5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
233     Firebird. Character sets with a char width of two are not UTF16.
234    
235     6. Strings received from the database are now always transliterated into UTF8
236     regardless of the database character set or connection character set. This
237     is for compatibility with the LCL.
238    
239 tony 45 IBX Change Log version (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
240 tony 41
241     1. IBBlob: Defer reading of blob until read method called. This avoids having to
242     read in an entire blob just to get the size of the blob. General performance
243     improvement when opening datasets containing blobs.
244    
245     2. Clearing a Blob now sets the corresponding field's modified flag.
246    
247     3. IBLookupCombo: When not performing auto-complete, original query sort order
248     is now used.
249    
250     4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
251     determined.
252    
253     5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
254    
255     6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
256     lazarus 1.6.0
257    
258     7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
259     compilation error.
260    
261 tony 39 IBX Change Log version (1.4-1) Tue, 17 May 2016 09:14:51 +0100
262    
263     1. No character set specified for connection: when a text blob is retrieved, the
264     character set is determined by looking up the native character set using then
265     Firebird API. Otherwise a text mode blob is assumed to have the same character
266     set as the connection.
267    
268     2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
269     for Login Dialog returing a change to the database path.
270    
271     3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
272     to be changed from that given in the TIBDatabase/TIBServer component and for the
273     entered value to be saved on a project specific basis (design time only).
274    
275     4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
276     column fieldname. If they are the same then it is acts as a look up for the KeyValue
277     Otherwise, it sets the column text to the selected ListField Value.
278    
279     5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
280     column width.
281    
282     6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
283     and a case insensitive search is requested.
284    
285     7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
286     or column ListSource.
287    
288     8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
289     unprepare) when closing and the text has not changed.
290    
291     9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
292     Less likely to cause a cursor re-use error on Windows.
293    
294     10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
295     Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
296    
297     11. TIBTreeView: Guard against nil destination on record changed
298    
299     12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
300     string type with the code page set to reflect the returned field encoding after
301     Firebird driver transliteration, if any. FPC 3.0.0 onwards only. Behaviour unchanged for
302     earlier versions.
303    
304     13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
305     will now result in transliteration to the code page specified for the Firebird driver
306     if the assigned string has a different code page. FPC 3.0.0 onwards only.
307    
308     14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
309     is ignored and the lc_ctype value, when the database is opened, is set to align with
310     the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
311     platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
312     3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
313     the GETACP is used to determine the Windows code page.
314    
315     15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
316     name used as the lc_ctype when the database was opened. Only valid while the
317     Database is connected.
318    
319     16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
320     id that corresponds to the DefaultCharSetName.
321    
322 tony 37 IBX Change Log version (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
323    
324     1. Unix: If Firebird Embedded Server shared object is loaded and a local database
325     path is given and database attach fails due to access permission issues on the
326     temp directory or security database, then the attach is retried with "localhost:"
327     prefixing the databasename. This should avoid problems when the database has to
328     be accessed by a local (e.g. classic) server and libfbembed is used.
329    
330     2. Windows: revised search order for Firebird DLL:
331     i. The Firebird Embedded Server in the application Directory.
332     ii. If the FIREBIRD environment variable is set then the directory this
333     points to is searched for the FB Client DLL and then then underlying
334     "bin" directory.
335     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
336     is used to locate the Firebird installation directory and the underlying
337     "bin" directory is searched for the FB Client DLL.
338     iv. The Default installation directories C:\Program Files\Firebird\Firebird_2_x
339     are searched for the FB Client DLL.
340     v. The PATH Environment variable is used to search for the FB Client DLL.
341     vi. Finally the PATH Environment variable is used to search for IBASE.DLL.
342    
343     3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
344     See doc/readme.scriptengine and example applications.
345    
346     4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
347     simplify the use of the embedded firebird server on both Linux and Windows platforms.
348     See dpc/readme.localdatabase and example applications.
349    
350     5. IBDynamicGrid: Reordering on column header click should now also work for
351     dynamic columns.
352    
353     6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
354     between incrementing/decrementing the lock count and signalling the event.
355    
356 tony 35 IBX Change Log version (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
357    
358 tony 37 1.3.2 was never formally released and only made available as beta copies.
359    
360 tony 35 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
361    
362     2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
363    
364     3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
365    
366     4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
367     i.e. when it is a calculated field
368    
369     5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
370     This problem was due to a race condition between recalculating row heights and
371     determining which row was selected by the mouse click. The row height calculation
372     is now deferred by an extra trip round the message loop allowing the row to
373     be always calculated on the current grid layout rather than risking it being
374     calculated on the grid layout after the expanded row has been shrunk.
375    
376     6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
377     Windows.
378    
379     7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
380     These properties allow the (Firebird) character set name for the field and the max number of bytes per character
381 tony 37 to be determined at runtime. See doc/readme.charactersets.html.
382 tony 35
383     8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
384 tony 37 TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
385 tony 35
386     9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
387     TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
388 tony 37 1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
389 tony 35
390     Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
391     from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
392     implies no truncation.
393    
394     10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
395    
396     11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
397     (avoids "Not in Edit Mode" error).
398    
399     12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
400    
401     13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
402     DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
403    
404     14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
405    
406     15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
407    
408     16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
409    
410     17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
411    
412 tony 33 IBX Change Log version (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
413 tony 31
414     1. OnCloseUp Event Handler added to TDBLookupProperties
415    
416     2. IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
417     problem with row size when exception is called.
418    
419     3. IBLookupComboEditBox: Force pending autocomplete on combobox exit.
420    
421     4. IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
422     in a TCustomComboBox and ignores return key if in a TCustomMemo
423    
424     5. IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
425     keyed in i.e. when autocomplete not performed
426    
427 tony 33 6. Cleanup of "Uses" clauses and add console mode support. IBX should now support
428     console mode applications with all LCL required functions (builtin dialogs and
429     cursor management) centralised in the IBDialogs unit. As long as "IBDialogs" is
430     not included in your project, IBX should compile and link with a console mode program.
431     See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
432     console mode application or the IDE will automatically assume that your
433     application is GUI based. Instead, you should include the ibexpressconsolemode package.
434 tony 31
435     IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
436     to use the built in dialogs and cursor management. IBDialogs is
437 tony 33 included by default if "ibexpress" is in your project source's "uses" clause.
438 tony 31 This should be the case for all projects created through the IDE. This is why
439     you do not want to add the ibexpress package to console mode applications. The
440     ibexpressconsolemode package has been created to allow console mode programs
441     to avoid adding LCL dependencies when using IBX, while still having the
442     unit search paths set up correctly.
443    
444 tony 33 Existing users should check to ensure that the "ibexpress" unit is included in
445     each project's source file (*.lpr).
446    
447 tony 31 You may find that in order for the IDE to recognise that ibexpressconsolemode
448     exists, you have to first open the package in the IDE and then close it. This
449     adds it to the most recently accessed packages list. To make it permanently
450     available, add the package name to lazarus' staticpackages.inc file.
451    
452 tony 33 Thanks to Julio Jiménez for suggesting support of console mode.
453 tony 31
454     7. SQL Parser can now accept quoted strings that include new lines
455    
456     8. IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
457     of text on start of edit. This is particularly useful when tabbing to a
458     column and then inserting text.
459    
460     9. New Examples provided for IB Services and ISQLMonitor.
461    
462     10. Fix error when writing to blob streams that recorded only the last buffer
463     write in the blob stream. In most cases, this did not cause a problem as the
464     IB Blob Stream is written in a single write. However, with the TDBImage, write
465     of a graphic type prefix was lost which caused a problem when the image could
466     not be automatically recognised.
467    
468     11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
469 tony 33 already open" errors due to random numbers used for the cursor name being identical.
470 tony 31
471     12. IBTable: corrected error that could result in an "Index out of bounds" error
472     when opening the table and the Primary Key is the last or only column in the
473     table. Thanks to Rick Hoover for the fix.
474    
475 tony 33 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
476     of "UTF-8", and update list of available database character sets. Existing
477     users should check the current lc_ctype setting in their applications.
478 tony 29
479 tony 33 IBX Change Log version (1.2-4) Sat, 09 May 2015 12:38:29 +0100
480    
481 tony 29 1. Firebird Services: avoid List Index error when opening a service with an
482     empty Params property.
483    
484     2. IBControls: Fix problem with new link mechanism introduced in 1.2.3.
485     Link now set up in Loaded method - avoids occasional failure to apply
486     SQL markup on initial open.
487    
488     3. "Employees" example performance improvements when scrolling.
489    
490     4. DBControlGrid: Correctly handle edit panel removal when panel is child control of a
491     TFrame. Force recaching of selected frame to avoid GTK race (results in a
492     random image cached).
493    
494     5. DBControlGrid: Should now react to changes in panel height at run time.
495    
496     6. IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid
497     even when further rows exist.
498    
499     7. DBControlGrid: DefaultRowHeight is no longer a published property as it should
500     always be derived from panel height and setting this property can cause confusion.
501     Note for existing projects: to avoid a missing property error at run time,
502     each form using the DBControlGrid must be opened, updated and saved in the IDE
503     in order to remove the property value from the lfm.
504    
505    
506 tony 33 IBX Change Log version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
507 tony 27
508     1. TIBStoredProc. Prepare now called by ParamByName to avoid need to always
509     call Prepare before setting parameter values.
510    
511     2. Error message on ParamByName (all cases) not found now includes name of missing parameter.
512    
513     3. Code tidyup and more robust handling of dsql information result vector.
514    
515     4. Support for centralised handling of transaction status changes. TIBTransaction
516     has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
517     and "AfterExecQuery". The first three are called after the same event is called
518     for an IBCustomDataSet descendent using the Transaction. The fourth is called
519     after a call to TIBSQL.ExecQuery, again using this transaction. These new events
520     enable monitoring of transaction status changes for a given transaction to be
521     handled in a single place. For example, when a change to the dataset occurs
522     an indicator can be set that shows the user that in order to save changes,
523     the transaction should be committed. Rather than doing this per dataset, this
524     can now be done per transaction.
525    
526     5. TDataSet.CheckBrowseMode automatically posts changes to the current row when
527     the dataset is scrolled. However, any changes to the current row are, by default,
528     discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
529     have a new property "DataSetCloseAction" that adds automatic posting of changes
530     on dataset close. If this property is set to dcDiscardChanges (default) then the
531     behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
532     then IBX will attempt to post any unsaved changes before the dataset is closed
533     (and after the BeforeClose event handler is called). The exception is when the
534     dataset is being closed as a result of a transaction rollback. In this case,
535     no action is taken and any unsaved changes are discarded. This avoids both
536     unnecessary overhead and the risk that a validation error may occur in the Post
537     raising an exception and thereby preventing a rollback.
538    
539     6. String Field sizes and Display Widths should now be correct for multi-byte character sets.
540     In earlier versions, the Display Width was set to the maximum byte width rather than the character
541     width. Display Widths are now corrected by dividing by the max byte width per character.
542     For UTF8 character sets, the byte width is four and hence the Display Width will be
543     the byte width divided by 4. The byte width of each character set is determined
544     dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
545     system table. (see also http://bugs.freepascal.org/view.php?id=27766).
546    
547     7. SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
548    
549     8. IBLookupComboEditBox: List should now always be restored to full list when the
550     control loses focus. Default Key press default interval reduced to 200ms.
551    
552     9. DBControlGrid: Ensure that selection is changed to newly appended row, even
553     when dataset rows are less than visible rows.
554    
555     10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
556     does not exist or DataSet is empty. More responsive on dataset open. New event
557     OnRestorePosition. Column sort disabled if no header row.
558    
559     11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
560     while dataset state is dsInsert. Avoids posting errors.
561    
562     12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
563     avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
564    
565     13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
566    
567     14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
568     to solve a specific problem. That is when the dataset cursor is moved (e.g. by
569     a grid mouse click and the current row is being edited or inserted. In this case, TDataset
570     always "posts" the current record regardless or whether or not it may be more appropriate
571     to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
572     "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
573     as the first action of the "Post" method and allows the handler to convert the Post
574     into a Cancel if that is the appropriate action on moving to a different row. This is
575     achieved by returning with "CancelPost" argument set to true. Note that an exception could be
576     raised here, but it may still be more appropriate to validate a post and signal
577     a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
578    
579     15. On Unix derived systems, the Firebird library name can now be given as a colon
580     separated list. Each library name on the list is tried in turn, in left to right
581     order with the first found being used as the firebird library. By default, on Linux,
582     the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
583     overidden by the FBLIB environment variable or the OnGetLibraryName function.
584    
585     Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
586     then it will still attempt to access the database via the Firebird Server and will
587     require a username and password. If only the pathname is given, then the username
588     and password should be omitted and the unix file permissions are used to grant
589     access.
590    
591 tony 33 IBX Change Log version (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
592 tony 23
593     1. A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
594     rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
595     that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
596 tony 27 corresponds to a row of the linked DataSource. Any data aware control on the
597 tony 23 replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
598    
599     2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
600 tony 25 When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
601 tony 23 takes place during database access. This may be useful when there are performance issues with
602     the change of cursor. Setting the property to false suppresses the change of cursor.
603    
604     3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
605     and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
606     Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
607     making all changes permanent immediately rather than when the transaction is explicitly
608     committed.
609    
610 tony 25 4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
611 tony 27 using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
612 tony 23
613 tony 33 IBX Change Log version (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
614 tony 25
615     Development version only.
616    
617 tony 33 IBX Change Log version (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
618 tony 21
619     1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
620     This is typically used during an "OnBeforeOpen" event handler to manipulate the
621     "Where" and "Having" clauses to implement user specified filters of arbitrary
622     complexity.
623    
624     2. A new Component Palette entry "Firebird Data Controls" is now available. This has
625     three new data aware controls dependent on IBX and which make use of the SQL Parser.
626     These are:
627    
628     - TIBLookupComboEditBox
629     - TIBDynamicGrid
630     - TIBTreeview
631    
632     TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
633     of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
634     to revise the available list and restrict it to items that are prefixed by the
635 tony 25 typed text (either case sensitive or case insensitive). Autoinsert allows a
636 tony 21 newly typed entry to be added to the list dataset and included in the available
637     list items.
638    
639     TIBDynamicGrid is a TDBGrid descendent that provides for:
640     - automatic resizing of selected columns to fill the available row length
641     - automatic positioning and sizing of a "totals" control, typically at the
642     column footer, on a per column basis.
643     - DataSet resorting on header row click, sorting the dataset by the selected column.
644     A second click on the same header cell reversed the sort order.
645     - Support for a "Panel Editor". That is on clicking the indicator column, the row
646     is automatically expanded and a panel superimposed on it. The panel can have any
647     number of child controls, typically data aware controls with the same datasource
648     as the grid allowing for editing of additional fields and more complex editors.
649     - Reselection of the same row following resorting.
650     - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
651     Its properties are specified on a per column basis and allows for one or more
652     columns to have their values selected from a list provided by a dataset.
653     Autocomplete and autoinsert are also available. The existing picklist editor
654     is unaffected by the extension.
655    
656     TIBTreeView is a data aware TCustomTreeView.
657    
658     3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
659     zero scale will no longer return an error. An Int64 will be returned instead.
660    
661     4. TIBTransaction now has events for Before and After Transaction End and a new function
662     "GetEndAction" allowing the EndAction to be accessed by these event handlers.
663    
664     5. TIBQuery can now handle correctly queries which contain the same keyword parameter
665     repeated multiple times.
666    
667     6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
668     check used to get in the way of using Stored Procedures, and "Update or Insert"
669     statements.
670    
671     7. Insert, Modify and Delete property Editors now support Query Generation from
672     Stored Procedures.
673    
674     8. Three new examples illustrate the use of the new IB Controls
675    
676    
677 tony 33 IBX Change Log version (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
678 tony 19
679     1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
680     setting performance. See "readme.field+param.names in the doc folder.(Thanks to
681     Gabor Boros for reporting this problem and for testing the improvements).
682    
683     2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
684     See readme.field+param.names in the doc folder.
685    
686     3. IBX SQL Editors will now automatically add double quotes around column names when the database
687     dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
688    
689     4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
690    
691     5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
692     actions.
693    
694     6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
695     thanks to Yuriy Kopnin for pointing this out).
696    
697     7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
698    
699     8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
700     for both fields and parameter setting.
701    
702     9. Changes to the Select SQL in an IBCustomDataset descendent should now be
703     visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
704    
705     10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
706     when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
707    
708     11. TIBTable now has a property editor for "MasterFields"
709    
710     12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
711     GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
712    
713     13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
714     of settings is unrecognised. Selecting this radio button has no effect on the settings.
715    
716    
717 tony 17 IBX Change Log version (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
718    
719     1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.
720    
721 tony 15 IBX Change Log version (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000
722    
723     1. In a TIBCustomDataset descendent, a generator now only sets the value when
724     it is null. This allows for alternative user defined setting of the generator
725    
726     Many thanks to Julio Jiménez for this fix
727    
728     2. An Error Dialog is now displayed in the Lazarus IDE if IBX cannot find the Firebird Library
729     and suggests that the user may have forgotten to install it.
730    
731 tony 13 IBX Change Log version (1.0-3) Thu, 22 Nov 2012 22:53:39 +0000
732    
733     1. Conditional compilation used to limit registration of TIntegerField to
734     Lazarus versions less than 1.1
735    
736     2. When a database connection is created, character set is now by default set
737     to UTF8 (Unix) or to the current Windows code page (Windows) if in the range
738     1250 to 1254.
739    
740    
741 tony 11 IBX Change Log version (1.0-2) Tue, 09 Oct 2012 09:10:30 +0100
742    
743     1. TBookmark change conditional compile changed to > 2.6.2 to match expected availability of change.
744    
745    
746 tony 9 IBX Change Log version (1.0-1) Sun, 05 Aug 2012 20:00:04 +0100
747 tony 7
748     1. In IBCustomDataset. Changed CurBookmark from string to TBookmark for compiler versions > 2.6.0
749     Necessary because of TBookmark type and TDataSet.Bookmark property change in fpc 2.7.1
750    
751     2. IBX now registers TIntegerField as a "No Icon" component. This may be removed if the fpc DB
752     package is changed to do this (which it should do).
753    
754     IBX Change Log version (1.0-0) Sat, 28 Apr 2012 16:43:00 +0100
755    
756     1. Add "if active then active := false" to TIBCustomDataset destructor. (Avoid error on database close).
757    
758     2. Make use of $STATIC conditional in IBSQLMonitor (Needed for FPC 2.6.0 compliance)
759    
760     3. Database Property Editor: Character Set drop down box now uses "OnChange" rather than "OnCloseUp" to react to changes
761    
762     4. Property editors should now correctly resize.
763    
764     5. In IBDatabaseEdit.TestClick, the LoginPrompt is now set to the state of the LoginPrompt Checkbox
765     (restored original functionality)
766    
767     6. Under OSX, if IBX fails to load libfbclient.dylib, it will now try and load the firebird
768     library using the absolute path /Library/Frameworks/Firebird.framework/Firebird.