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Revision: 127
Committed: Mon Jan 22 16:21:34 2018 UTC (3 years, 3 months ago) by tony
File size: 43100 byte(s)
Log Message:
Add property Editor for TIBUpdate.RefreshSQL
Line User Rev File contents
1 tony 126 IBX Change Log version (2.2-0) Mon, 22 Jan 2018 14:21:12 +0000
2 tony 101
3 tony 107 1. IBExtract: Identity columns - add additional check for null column for generator name.
4 tony 101
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 tony 107 information). However, this is also a very useful mechanism for returning updated computed by
8     column values. Values returned as a result of executing an Insert or Update statement
9     replace existing values in the current row for each corresponding column.
10 tony 101
11 tony 107 Previously, if a dataset's select query included read only (computed by) fields then
12     an automatic row refresh was performed after an insert or update query had been processed,
13     irrespective of the setting of the "ForcedUpdates" property. This has changed such
14     that an automatic refresh is no longer performed if an insert or update query contains
15     a returning clause that updates one or more fields on the current row. A full row
16     refresh is only performed if (a) ForcedRefresh is true or (b) the query does not return any
17     field values and the select query contains read only fields. Use of Insert/update
18 tony 123 returning should be significantly more efficient than executing a refresh query.
19 tony 107
20     This behaviour change is intended to be backwards compatible and there should be no need to change
21     existing programs, other than to improve performance by using the new capability.
23 tony 118 3. IBCustomDataSet: DELETE...RETURNING queries are now also recognised. However, as
24     they are called when the dataset row is being deleted, there is no value in
25     updating the current record from the query result. Instead, a new event handler
26     "OnDeleteReturning" is provided. If a DELETE...RETURNING query is execute and
27     an OnDeleteReturning event handler is provided then it is called with the IResults returned
28     by the query. The event handler can then interrogate the query results and
29     perform whatever action is necessary. For example to confirm, to the user,
30     the deletion of a row with the returned values.
32     4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
33 tony 107 any Computed By or Identity Columns. The IBTables example has been updated to
34     illustrate the computation of the employee Full Name on update.
36 tony 118 5. TIBTable: The GeneratorField property is now published.
37 tony 107
38 tony 118 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
39 tony 101 When InsertSQL is generated, the Identity columns are not included in the list of values to
40     be inserted. A RETURNING clause is added to the insert statement to return the value of
41     each Identity column after the insert is executed.
43 tony 118 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
44 tony 107 Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
45     Insert..Returning clause.
46 tony 104
47 tony 118 8. TIBGenerator: small performance improvement by not preparing query each time
48 tony 107 a new value is generated.
49 tony 104
50 tony 118 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
51 tony 107
52 tony 118 10. Property editors will now sync table name to a System Table when "Include System
53     Tables" is selected and the query is for a System Table.
54 tony 105
55 tony 118 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
56 tony 107 values are no longer converted to milliseconds from TDateTime and then back again
57     to TDateTime (the conversion to milliseconds is the default TDataset approach).
58 tony 105
59 tony 118 12. Property Editors handling of Stored Procedures.
60 tony 107 * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
61     which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
62     query).
63     * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
64 tony 106
65 tony 118 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
66 tony 107 can be used to select a package. If non-empty, the stored procedure name is
67     expected to be a stored procedure defined in the specified package and the
68     generated SQL will be as required for a stored procedure located in a package.
70 tony 118 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
71 tony 107 a "Package Name" drop down box to allow selection of a Firebird 3 Package from
72     which a stored procedure can be selected. With no package name selected, non-package
73     stored procedures are listed.
75 tony 118 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
76 tony 109 for password on reconnect.
77 tony 107
78 tony 118 16. IBDatabase: use IAttachment for connection default character set id, code page
79     and character set name.
80 tony 109
81 tony 118 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
82     DB info lookups"
84     18. IBExtract: now supports DDL Triggers.
86 tony 127 19. Add a property Editor for TIBUpdate.RefreshSQL.
87 tony 118
88 tony 127
89 tony 90 IBX Change Log version (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
90 tony 56
91     1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
92     changes.
94 tony 58 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
95     Bug could result in truncated multi-byte character set values.
97 tony 60 3. Changes consequential on moving fbintf character set utility functions from
98     IFirebirdAPI to IAttachment.
100 tony 62 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
102 tony 64 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
103     results in autocomplete ignoring prefix text.
105 tony 65 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
106     entering a new name into the text box.
108 tony 66 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
109     Firebird rather than recomputing it.
111 tony 67 8. Property Editor positioning tidy up: All IBX Property editors should now be
112     screen centre. Previously some were "poDesigned" which may be inappropriate
113     for multi monitor desktops.
115 tony 80 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
117     11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
118     a transaction and always reset the object.
120     12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
122     13. TIBXScript: Allow for override of database filename in Create Database statements.
124     14. IBLocaldb: Support initialisation of the database from an SQL script in addition
125     to a gbak format archive.
127     15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
129     16. IBLocaldb: Drop database if error creating an empty database.
131     17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
132     unless selected node not in current dataset.
134     18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
135     to TIBCustomService, and IBlocalDB code tidy up.
137     19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
138     behaviour due to uninitialised variable.
140     20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
141     integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
143     21. IBSQL: When Database changed ensure that all resources are freed.
145     22. IBCustomDataset: When database changed ensure that queries an unprepared.
147 tony 84 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
148     * Line Wrap on SQL Token boundaries (on user command)
149     * auto-complete table names in drop down list of table names
150     * Double click on tablename or field name adds to SQL text
151 tony 80
152     24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
154     25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
155     TVariantArray. Seems to avoid memory corruption in Windows (probably a
156     workaround for a problem in fpc 3.0.4 win64).
158     26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
160 tony 83 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
162 tony 51 IBX Change Log version (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
163 tony 49
164 tony 51 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
165 tony 49 include remote system name.
167     2. TIBExtract: No longer include comment header and COMMIT statement for empty
168     tables when data included in output.
170     3. Profiling: IBSQL now has conditional compilation flags to enable query performance
171     and timing information to be written to stdout. This may be used to locate
172     performance bottlenecks.
174     4. SQLParser: only call "OnChanging" event handler when value is different.
176     5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
178 tony 50 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
179     that BindFields is called when the query is next activated. Avoids FieldName
180     not found error.
182 tony 80 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
183     purpose and allows the programmer to define any action they want for Update, Insert
184     or Delete. This may be complex SQL (similar to a Trigger), application specific
185     filtering of updates, or use of statements such as Grant or Revoke instead of
186     normal DML. See User Manual for more information.
188 tony 47 IBX Change Log version (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
189 tony 45
190 tony 47 1. TIBEvents: Fix uninitialised variable that could result in lost events.
191 tony 45
192 tony 47 2. TIBExtract: Added support for FB3 "USAGE" privilege.
194     3. TIBExtract: data formatted as Charset set "octets" is now output using
195     hexadecimal notation.
197     4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
198     using a simple XML format.
200     5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
201     grants to these objects.
203     6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
204     dependency problems restoring complex databases.
206     7. TIBXScript: This component has been restructured to allow for the processing of
207     embedded XML in INSERT statements and to support interactive sources in addition
208     to non-interactive data sources such as files.
210     8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
212     9. TIBXScript: ISQL compatiable Set statements are now supported:
214     SET TERM
216     SET BAIL
217     SET ECHO
218     SET COUNT
219     SET STATS
220     SET NAMES <character set>
222     10. IBVersion unit added to hold current IBX Version Number information.
224     11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
225     and domain definitions.
227     12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
228     fully supported.
230     13. TIBExtract: when a database dump includes data, the generator values are now also set.
232     14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
234     IBX Change Log version (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
236 tony 50 See also doc/IBX4LazarusGuide.pdf for important information on
237 tony 45 upgrading to IBX2.
239     1. Size property of TIBStringField is now the width in characters of the field
240     and not the byte length. This applies only to multi-byte character sets such
241     as UTF8. The original approach aligned with TStringField. However, the TStringField
242     code is not recognised as a bug and hence this change to align the behaviour.
243     The TStringField change is expected in fpc 3.2.0.
245     2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
246     true (default) then Size property value saved in the lfm is ignored. Size is
247     always set from the dynamic information read from the database. It is unclear
248     why anyone would want to override this and set Size to false.
250     3. ibxscript: should now handle correctly a Case..End statement within a procedure
251     block.
253     4. IBDatabase: new property - CreateIfNotExists. If true and database does not
254     exist when an attempt is made to connect to it (run time only) then an attempt
255     is made to create the database.
257     5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
258     has been successfully created as a result of a call to CreateDatabase or when
259     creating a database after it was found not to exist.
261     6. DBControlGrid: a race condition could result in the wrong row image being
262     written to the cache. This has been avoided by a trip round the message
263     loop before rendering the row image.
265     7. DBControlGrid: It is strongly recommended not to open the source DataSet for
266     a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
267     known to risk corrupt rendering of row images when the control is first
268     displayed. If necessary use "Application.QueueAsyncCall" to delay opening
269     of the dataset (see DBControlGrid examples) until the Form's Window has been created.
271     8. DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
272     a TDateEdit control located on an editor panel.
274     9. TIBExtract: brought up-to-date plus many bug fixes.
276     10. DBControlGrid: Removed memory leak when updating rows.
278     11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
280 tony 43 IBX Change Log version (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
282     1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
283     when target codepage is CP_NONE. This is a workaround for
286     2. DBLog option removed from TIBStatisticalService - not supported by server
287     since Firebird 1.5.
289     3. ibxscript: An error is no longer generated for "on commit preserve rows" or
290     similar.
292     4. IBCodePage: updated mapping between codepages and character id.
294     5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
295     Firebird. Character sets with a char width of two are not UTF16.
297     6. Strings received from the database are now always transliterated into UTF8
298     regardless of the database character set or connection character set. This
299     is for compatibility with the LCL.
301 tony 45 IBX Change Log version (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
302 tony 41
303     1. IBBlob: Defer reading of blob until read method called. This avoids having to
304     read in an entire blob just to get the size of the blob. General performance
305     improvement when opening datasets containing blobs.
307     2. Clearing a Blob now sets the corresponding field's modified flag.
309     3. IBLookupCombo: When not performing auto-complete, original query sort order
310     is now used.
312     4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
313     determined.
315     5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
317     6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
318     lazarus 1.6.0
320     7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
321     compilation error.
323 tony 39 IBX Change Log version (1.4-1) Tue, 17 May 2016 09:14:51 +0100
325     1. No character set specified for connection: when a text blob is retrieved, the
326     character set is determined by looking up the native character set using then
327     Firebird API. Otherwise a text mode blob is assumed to have the same character
328     set as the connection.
330     2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
331     for Login Dialog returing a change to the database path.
333     3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
334     to be changed from that given in the TIBDatabase/TIBServer component and for the
335     entered value to be saved on a project specific basis (design time only).
337     4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
338     column fieldname. If they are the same then it is acts as a look up for the KeyValue
339     Otherwise, it sets the column text to the selected ListField Value.
341     5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
342     column width.
344     6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
345     and a case insensitive search is requested.
347     7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
348     or column ListSource.
350     8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
351     unprepare) when closing and the text has not changed.
353     9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
354     Less likely to cause a cursor re-use error on Windows.
356     10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
357     Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
359     11. TIBTreeView: Guard against nil destination on record changed
361     12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
362     string type with the code page set to reflect the returned field encoding after
363     Firebird driver transliteration, if any. FPC 3.0.0 onwards only. Behaviour unchanged for
364     earlier versions.
366     13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
367     will now result in transliteration to the code page specified for the Firebird driver
368     if the assigned string has a different code page. FPC 3.0.0 onwards only.
370     14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
371     is ignored and the lc_ctype value, when the database is opened, is set to align with
372     the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
373     platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
374     3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
375     the GETACP is used to determine the Windows code page.
377     15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
378     name used as the lc_ctype when the database was opened. Only valid while the
379     Database is connected.
381     16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
382     id that corresponds to the DefaultCharSetName.
384 tony 37 IBX Change Log version (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
386     1. Unix: If Firebird Embedded Server shared object is loaded and a local database
387     path is given and database attach fails due to access permission issues on the
388     temp directory or security database, then the attach is retried with "localhost:"
389     prefixing the databasename. This should avoid problems when the database has to
390     be accessed by a local (e.g. classic) server and libfbembed is used.
392     2. Windows: revised search order for Firebird DLL:
393     i. The Firebird Embedded Server in the application Directory.
394     ii. If the FIREBIRD environment variable is set then the directory this
395     points to is searched for the FB Client DLL and then then underlying
396     "bin" directory.
397     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
398     is used to locate the Firebird installation directory and the underlying
399     "bin" directory is searched for the FB Client DLL.
400     iv. The Default installation directories C:\Program Files\Firebird\Firebird_2_x
401     are searched for the FB Client DLL.
402     v. The PATH Environment variable is used to search for the FB Client DLL.
403     vi. Finally the PATH Environment variable is used to search for IBASE.DLL.
405     3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
406     See doc/readme.scriptengine and example applications.
408     4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
409     simplify the use of the embedded firebird server on both Linux and Windows platforms.
410     See dpc/readme.localdatabase and example applications.
412     5. IBDynamicGrid: Reordering on column header click should now also work for
413     dynamic columns.
415     6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
416     between incrementing/decrementing the lock count and signalling the event.
418 tony 35 IBX Change Log version (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
420 tony 37 1.3.2 was never formally released and only made available as beta copies.
422 tony 35 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
424     2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
426     3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
428     4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
429     i.e. when it is a calculated field
431     5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
432     This problem was due to a race condition between recalculating row heights and
433     determining which row was selected by the mouse click. The row height calculation
434     is now deferred by an extra trip round the message loop allowing the row to
435     be always calculated on the current grid layout rather than risking it being
436     calculated on the grid layout after the expanded row has been shrunk.
438     6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
439     Windows.
441     7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
442     These properties allow the (Firebird) character set name for the field and the max number of bytes per character
443 tony 37 to be determined at runtime. See doc/readme.charactersets.html.
444 tony 35
445     8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
446 tony 37 TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
447 tony 35
448     9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
449     TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
450 tony 37 1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
451 tony 35
452     Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
453     from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
454     implies no truncation.
456     10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
458     11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
459     (avoids "Not in Edit Mode" error).
461     12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
463     13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
464     DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
466     14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
468     15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
470     16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
472     17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
474 tony 33 IBX Change Log version (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
475 tony 31
476     1. OnCloseUp Event Handler added to TDBLookupProperties
478     2. IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
479     problem with row size when exception is called.
481     3. IBLookupComboEditBox: Force pending autocomplete on combobox exit.
483     4. IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
484     in a TCustomComboBox and ignores return key if in a TCustomMemo
486     5. IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
487     keyed in i.e. when autocomplete not performed
489 tony 33 6. Cleanup of "Uses" clauses and add console mode support. IBX should now support
490     console mode applications with all LCL required functions (builtin dialogs and
491     cursor management) centralised in the IBDialogs unit. As long as "IBDialogs" is
492     not included in your project, IBX should compile and link with a console mode program.
493     See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
494     console mode application or the IDE will automatically assume that your
495     application is GUI based. Instead, you should include the ibexpressconsolemode package.
496 tony 31
497     IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
498     to use the built in dialogs and cursor management. IBDialogs is
499 tony 33 included by default if "ibexpress" is in your project source's "uses" clause.
500 tony 31 This should be the case for all projects created through the IDE. This is why
501     you do not want to add the ibexpress package to console mode applications. The
502     ibexpressconsolemode package has been created to allow console mode programs
503     to avoid adding LCL dependencies when using IBX, while still having the
504     unit search paths set up correctly.
506 tony 33 Existing users should check to ensure that the "ibexpress" unit is included in
507     each project's source file (*.lpr).
509 tony 31 You may find that in order for the IDE to recognise that ibexpressconsolemode
510     exists, you have to first open the package in the IDE and then close it. This
511     adds it to the most recently accessed packages list. To make it permanently
512     available, add the package name to lazarus' file.
514 tony 33 Thanks to Julio Jiménez for suggesting support of console mode.
515 tony 31
516     7. SQL Parser can now accept quoted strings that include new lines
518     8. IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
519     of text on start of edit. This is particularly useful when tabbing to a
520     column and then inserting text.
522     9. New Examples provided for IB Services and ISQLMonitor.
524     10. Fix error when writing to blob streams that recorded only the last buffer
525     write in the blob stream. In most cases, this did not cause a problem as the
526     IB Blob Stream is written in a single write. However, with the TDBImage, write
527     of a graphic type prefix was lost which caused a problem when the image could
528     not be automatically recognised.
530     11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
531 tony 33 already open" errors due to random numbers used for the cursor name being identical.
532 tony 31
533     12. IBTable: corrected error that could result in an "Index out of bounds" error
534     when opening the table and the Primary Key is the last or only column in the
535     table. Thanks to Rick Hoover for the fix.
537 tony 33 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
538     of "UTF-8", and update list of available database character sets. Existing
539     users should check the current lc_ctype setting in their applications.
540 tony 29
541 tony 33 IBX Change Log version (1.2-4) Sat, 09 May 2015 12:38:29 +0100
543 tony 29 1. Firebird Services: avoid List Index error when opening a service with an
544     empty Params property.
546     2. IBControls: Fix problem with new link mechanism introduced in 1.2.3.
547     Link now set up in Loaded method - avoids occasional failure to apply
548     SQL markup on initial open.
550     3. "Employees" example performance improvements when scrolling.
552     4. DBControlGrid: Correctly handle edit panel removal when panel is child control of a
553     TFrame. Force recaching of selected frame to avoid GTK race (results in a
554     random image cached).
556     5. DBControlGrid: Should now react to changes in panel height at run time.
558     6. IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid
559     even when further rows exist.
561     7. DBControlGrid: DefaultRowHeight is no longer a published property as it should
562     always be derived from panel height and setting this property can cause confusion.
563     Note for existing projects: to avoid a missing property error at run time,
564     each form using the DBControlGrid must be opened, updated and saved in the IDE
565     in order to remove the property value from the lfm.
568 tony 33 IBX Change Log version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
569 tony 27
570     1. TIBStoredProc. Prepare now called by ParamByName to avoid need to always
571     call Prepare before setting parameter values.
573     2. Error message on ParamByName (all cases) not found now includes name of missing parameter.
575     3. Code tidyup and more robust handling of dsql information result vector.
577     4. Support for centralised handling of transaction status changes. TIBTransaction
578     has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
579     and "AfterExecQuery". The first three are called after the same event is called
580     for an IBCustomDataSet descendent using the Transaction. The fourth is called
581     after a call to TIBSQL.ExecQuery, again using this transaction. These new events
582     enable monitoring of transaction status changes for a given transaction to be
583     handled in a single place. For example, when a change to the dataset occurs
584     an indicator can be set that shows the user that in order to save changes,
585     the transaction should be committed. Rather than doing this per dataset, this
586     can now be done per transaction.
588     5. TDataSet.CheckBrowseMode automatically posts changes to the current row when
589     the dataset is scrolled. However, any changes to the current row are, by default,
590     discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
591     have a new property "DataSetCloseAction" that adds automatic posting of changes
592     on dataset close. If this property is set to dcDiscardChanges (default) then the
593     behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
594     then IBX will attempt to post any unsaved changes before the dataset is closed
595     (and after the BeforeClose event handler is called). The exception is when the
596     dataset is being closed as a result of a transaction rollback. In this case,
597     no action is taken and any unsaved changes are discarded. This avoids both
598     unnecessary overhead and the risk that a validation error may occur in the Post
599     raising an exception and thereby preventing a rollback.
601     6. String Field sizes and Display Widths should now be correct for multi-byte character sets.
602     In earlier versions, the Display Width was set to the maximum byte width rather than the character
603     width. Display Widths are now corrected by dividing by the max byte width per character.
604     For UTF8 character sets, the byte width is four and hence the Display Width will be
605     the byte width divided by 4. The byte width of each character set is determined
606     dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
607     system table. (see also
609     7. SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
611     8. IBLookupComboEditBox: List should now always be restored to full list when the
612     control loses focus. Default Key press default interval reduced to 200ms.
614     9. DBControlGrid: Ensure that selection is changed to newly appended row, even
615     when dataset rows are less than visible rows.
617     10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
618     does not exist or DataSet is empty. More responsive on dataset open. New event
619     OnRestorePosition. Column sort disabled if no header row.
621     11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
622     while dataset state is dsInsert. Avoids posting errors.
624     12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
625     avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
627     13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
629     14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
630     to solve a specific problem. That is when the dataset cursor is moved (e.g. by
631     a grid mouse click and the current row is being edited or inserted. In this case, TDataset
632     always "posts" the current record regardless or whether or not it may be more appropriate
633     to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
634     "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
635     as the first action of the "Post" method and allows the handler to convert the Post
636     into a Cancel if that is the appropriate action on moving to a different row. This is
637     achieved by returning with "CancelPost" argument set to true. Note that an exception could be
638     raised here, but it may still be more appropriate to validate a post and signal
639     a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
641     15. On Unix derived systems, the Firebird library name can now be given as a colon
642     separated list. Each library name on the list is tried in turn, in left to right
643     order with the first found being used as the firebird library. By default, on Linux,
644     the library name list is ''. This can be
645     overidden by the FBLIB environment variable or the OnGetLibraryName function.
647     Note: when using the, if you prefix the database name with "localhost:"
648     then it will still attempt to access the database via the Firebird Server and will
649     require a username and password. If only the pathname is given, then the username
650     and password should be omitted and the unix file permissions are used to grant
651     access.
653 tony 33 IBX Change Log version (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
654 tony 23
655     1. A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
656     rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
657     that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
658 tony 27 corresponds to a row of the linked DataSource. Any data aware control on the
659 tony 23 replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
661     2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
662 tony 25 When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
663 tony 23 takes place during database access. This may be useful when there are performance issues with
664     the change of cursor. Setting the property to false suppresses the change of cursor.
666     3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
667     and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
668     Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
669     making all changes permanent immediately rather than when the transaction is explicitly
670     committed.
672 tony 25 4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
673 tony 27 using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
674 tony 23
675 tony 33 IBX Change Log version (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
676 tony 25
677     Development version only.
679 tony 33 IBX Change Log version (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
680 tony 21
681     1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
682     This is typically used during an "OnBeforeOpen" event handler to manipulate the
683     "Where" and "Having" clauses to implement user specified filters of arbitrary
684     complexity.
686     2. A new Component Palette entry "Firebird Data Controls" is now available. This has
687     three new data aware controls dependent on IBX and which make use of the SQL Parser.
688     These are:
690     - TIBLookupComboEditBox
691     - TIBDynamicGrid
692     - TIBTreeview
694     TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
695     of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
696     to revise the available list and restrict it to items that are prefixed by the
697 tony 25 typed text (either case sensitive or case insensitive). Autoinsert allows a
698 tony 21 newly typed entry to be added to the list dataset and included in the available
699     list items.
701     TIBDynamicGrid is a TDBGrid descendent that provides for:
702     - automatic resizing of selected columns to fill the available row length
703     - automatic positioning and sizing of a "totals" control, typically at the
704     column footer, on a per column basis.
705     - DataSet resorting on header row click, sorting the dataset by the selected column.
706     A second click on the same header cell reversed the sort order.
707     - Support for a "Panel Editor". That is on clicking the indicator column, the row
708     is automatically expanded and a panel superimposed on it. The panel can have any
709     number of child controls, typically data aware controls with the same datasource
710     as the grid allowing for editing of additional fields and more complex editors.
711     - Reselection of the same row following resorting.
712     - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
713     Its properties are specified on a per column basis and allows for one or more
714     columns to have their values selected from a list provided by a dataset.
715     Autocomplete and autoinsert are also available. The existing picklist editor
716     is unaffected by the extension.
718     TIBTreeView is a data aware TCustomTreeView.
720     3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
721     zero scale will no longer return an error. An Int64 will be returned instead.
723     4. TIBTransaction now has events for Before and After Transaction End and a new function
724     "GetEndAction" allowing the EndAction to be accessed by these event handlers.
726     5. TIBQuery can now handle correctly queries which contain the same keyword parameter
727     repeated multiple times.
729     6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
730     check used to get in the way of using Stored Procedures, and "Update or Insert"
731     statements.
733     7. Insert, Modify and Delete property Editors now support Query Generation from
734     Stored Procedures.
736     8. Three new examples illustrate the use of the new IB Controls
739 tony 33 IBX Change Log version (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
740 tony 19
741     1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
742     setting performance. See "readme.field+param.names in the doc folder.(Thanks to
743     Gabor Boros for reporting this problem and for testing the improvements).
745     2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
746     See readme.field+param.names in the doc folder.
748     3. IBX SQL Editors will now automatically add double quotes around column names when the database
749     dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
751     4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
753     5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
754     actions.
756     6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
757     thanks to Yuriy Kopnin for pointing this out).
759     7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
761     8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
762     for both fields and parameter setting.
764     9. Changes to the Select SQL in an IBCustomDataset descendent should now be
765     visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
767     10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
768     when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
770     11. TIBTable now has a property editor for "MasterFields"
772     12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
773     GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
775     13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
776     of settings is unrecognised. Selecting this radio button has no effect on the settings.
779 tony 17 IBX Change Log version (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
781     1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.
783 tony 15 IBX Change Log version (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000
785     1. In a TIBCustomDataset descendent, a generator now only sets the value when
786     it is null. This allows for alternative user defined setting of the generator
788     Many thanks to Julio Jiménez for this fix
790     2. An Error Dialog is now displayed in the Lazarus IDE if IBX cannot find the Firebird Library
791     and suggests that the user may have forgotten to install it.
793 tony 13 IBX Change Log version (1.0-3) Thu, 22 Nov 2012 22:53:39 +0000
795     1. Conditional compilation used to limit registration of TIntegerField to
796     Lazarus versions less than 1.1
798     2. When a database connection is created, character set is now by default set
799     to UTF8 (Unix) or to the current Windows code page (Windows) if in the range
800     1250 to 1254.
803 tony 11 IBX Change Log version (1.0-2) Tue, 09 Oct 2012 09:10:30 +0100
805     1. TBookmark change conditional compile changed to > 2.6.2 to match expected availability of change.
808 tony 9 IBX Change Log version (1.0-1) Sun, 05 Aug 2012 20:00:04 +0100
809 tony 7
810     1. In IBCustomDataset. Changed CurBookmark from string to TBookmark for compiler versions > 2.6.0
811     Necessary because of TBookmark type and TDataSet.Bookmark property change in fpc 2.7.1
813     2. IBX now registers TIntegerField as a "No Icon" component. This may be removed if the fpc DB
814     package is changed to do this (which it should do).
816     IBX Change Log version (1.0-0) Sat, 28 Apr 2012 16:43:00 +0100
818     1. Add "if active then active := false" to TIBCustomDataset destructor. (Avoid error on database close).
820     2. Make use of $STATIC conditional in IBSQLMonitor (Needed for FPC 2.6.0 compliance)
822     3. Database Property Editor: Character Set drop down box now uses "OnChange" rather than "OnCloseUp" to react to changes
824     4. Property editors should now correctly resize.
826     5. In IBDatabaseEdit.TestClick, the LoginPrompt is now set to the state of the LoginPrompt Checkbox
827     (restored original functionality)
829     6. Under OSX, if IBX fails to load libfbclient.dylib, it will now try and load the firebird
830     library using the absolute path /Library/Frameworks/Firebird.framework/Firebird.