ViewVC Help
View File | Revision Log | Show Annotations | Download File | View Changeset | Root Listing
root/public/ibx/trunk/changelog
(Generate patch)

Comparing ibx/trunk/changelog (file contents):
Revision 17 by tony, Sat Dec 28 19:22:24 2013 UTC vs.
Revision 37 by tony, Mon Feb 15 14:44:25 2016 UTC

# Line 1 | Line 1
1 + IBX Change Log  version                          (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
2 +
3 + 1. Unix: If Firebird Embedded Server shared object is loaded and a local database
4 +   path is given and database attach fails due to access permission issues on the
5 +   temp directory or security database, then the attach is retried with "localhost:"
6 +   prefixing the databasename. This should avoid problems when the database has to
7 +   be accessed by a local (e.g. classic) server and libfbembed is used.
8 +
9 + 2. Windows: revised search order for Firebird DLL:
10 +     i.   The Firebird Embedded Server in the application Directory.
11 +     ii.  If the FIREBIRD environment variable is set then the directory this
12 +          points to is searched for the FB Client DLL and then then underlying
13 +          "bin" directory.
14 +     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
15 +          is used to locate the Firebird installation directory and the underlying
16 +          "bin" directory is searched for the FB Client DLL.
17 +     iv.  The Default installation directories C:\Program Files\Firebird\Firebird_2_x
18 +          are searched for the FB Client DLL.
19 +     v.   The PATH Environment variable is used to search for the FB Client DLL.
20 +     vi.  Finally the  PATH Environment variable is used to search for IBASE.DLL.
21 +
22 + 3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
23 +   See doc/readme.scriptengine and example applications.
24 +
25 + 4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
26 +   simplify the use of the embedded firebird server on both Linux and Windows platforms.
27 +   See dpc/readme.localdatabase and example applications.
28 +
29 + 5. IBDynamicGrid: Reordering on column header click should now also work for
30 +   dynamic columns.
31 +
32 + 6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
33 +   between incrementing/decrementing the lock count and signalling the event.
34 +
35 + IBX Change Log  version           (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
36 +
37 + 1.3.2 was never formally released and only made available as beta copies.
38 +
39 + 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
40 +
41 + 2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
42 +
43 + 3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
44 +
45 + 4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
46 +   i.e. when it is a calculated field
47 +
48 + 5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
49 +   This problem was due to a race condition between recalculating row heights and
50 +   determining which row was selected by the mouse click. The row height calculation
51 +   is now deferred by an extra trip round the message loop allowing the row to
52 +   be always calculated on the current grid layout rather than risking it being
53 +   calculated on the grid layout after the expanded row has been shrunk.
54 +
55 + 6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
56 +   Windows.
57 +
58 + 7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
59 +   These properties allow the (Firebird) character set name for the field and the max number of bytes per character
60 +   to be determined at runtime. See doc/readme.charactersets.html.
61 +
62 + 8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
63 +   TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
64 +
65 + 9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
66 +   TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
67 +   1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
68 +
69 +   Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
70 +   from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
71 +   implies no truncation.
72 +
73 + 10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
74 +
75 + 11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
76 +   (avoids "Not in Edit Mode" error).
77 +
78 + 12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
79 +
80 + 13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
81 +    DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
82 +
83 + 14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
84 +
85 + 15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
86 +
87 + 16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
88 +
89 + 17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
90 +
91 + IBX Change Log  version        (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
92 +
93 + 1.   OnCloseUp Event Handler added to TDBLookupProperties
94 +
95 + 2.   IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
96 +     problem with row size when exception is called.
97 +
98 + 3.   IBLookupComboEditBox: Force pending autocomplete on combobox exit.
99 +
100 + 4.   IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
101 +     in a TCustomComboBox and ignores return key if in a TCustomMemo
102 +
103 + 5.   IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
104 +     keyed in i.e. when autocomplete not performed
105 +
106 + 6.   Cleanup of "Uses" clauses and add console mode support. IBX should now support
107 +     console mode applications with all LCL required functions (builtin dialogs and
108 +     cursor management) centralised in the  IBDialogs unit. As long as "IBDialogs" is
109 +     not included in your project, IBX should compile and link with a console mode program.
110 +     See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
111 +     console mode application or the IDE will automatically assume that your
112 +     application is GUI based. Instead, you should include the ibexpressconsolemode package.
113 +
114 +     IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
115 +     to use the built in dialogs and cursor management. IBDialogs is
116 +     included by default if "ibexpress" is in your project source's "uses" clause.
117 +     This should be the case for all projects created through the IDE. This is why
118 +     you do not want to add the ibexpress package to console mode applications. The
119 +     ibexpressconsolemode package has been created to allow console mode programs
120 +     to avoid adding LCL dependencies when using IBX, while still having the
121 +     unit search paths set up correctly.
122 +
123 +     Existing users should check to ensure that the "ibexpress" unit is included in
124 +     each project's source file (*.lpr).
125 +
126 +     You may find that in order for the IDE to recognise that ibexpressconsolemode
127 +     exists, you have to first open the package in the IDE and then close it. This
128 +     adds it to the most recently accessed packages list. To make it permanently
129 +     available, add the package name to lazarus' staticpackages.inc file.
130 +
131 +         Thanks to Julio Jiménez for suggesting support of console mode.
132 +
133 + 7.   SQL Parser can now accept quoted strings that include new lines
134 +
135 + 8.   IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
136 +     of text on start of edit. This is particularly useful when tabbing to a
137 +     column and then inserting text.
138 +
139 + 9.   New Examples provided for IB Services and ISQLMonitor.
140 +
141 + 10. Fix error when writing to blob streams that recorded only the last buffer
142 +    write in the blob stream. In most cases, this did not cause a problem as the
143 +    IB Blob Stream is written in a single write. However, with the TDBImage, write
144 +    of a graphic type prefix was lost which caused a problem when the image could
145 +        not be automatically recognised.
146 +
147 + 11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
148 +    already open" errors due to random numbers used for the cursor name being identical.
149 +
150 + 12. IBTable: corrected error that could result in an "Index out of bounds" error
151 +    when opening the table and the Primary Key is the last or only column in the
152 +    table. Thanks to Rick Hoover for the fix.
153 +
154 + 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
155 +    of "UTF-8", and update list of available database character sets. Existing
156 +    users should check the current lc_ctype setting in their applications.
157 +
158 + IBX Change Log  version  (1.2-4) Sat, 09 May 2015 12:38:29 +0100
159 +
160 + 1.  Firebird Services: avoid List Index error when opening a service with an
161 +    empty Params property.
162 +
163 + 2.  IBControls: Fix problem with new link mechanism introduced in 1.2.3.
164 +    Link now set up in Loaded method - avoids occasional failure to apply
165 +    SQL markup on initial open.
166 +
167 + 3.  "Employees" example performance improvements when scrolling.
168 +
169 + 4.  DBControlGrid: Correctly handle edit panel removal when panel is child control of a
170 +    TFrame. Force recaching of selected frame to avoid GTK race (results in a
171 +    random image cached).
172 +
173 + 5.  DBControlGrid: Should now react to changes in panel height at run time.
174 +
175 + 6.  IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid  
176 +    even when further rows exist.
177 +
178 + 7.  DBControlGrid: DefaultRowHeight is no longer a published property as it should
179 +    always be derived from panel height and setting this property can cause confusion.
180 +    Note for existing projects: to avoid a missing property error at run time,
181 +    each form using the DBControlGrid must be opened, updated and saved in the IDE
182 +    in order to remove the property value from the lfm.
183 +
184 +
185 + IBX Change Log  version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
186 +
187 + 1.  TIBStoredProc. Prepare now called by ParamByName to avoid need to always
188 +    call Prepare before setting parameter values.
189 +
190 + 2.  Error message on ParamByName (all cases) not found now includes name of missing parameter.
191 +
192 + 3.  Code tidyup and more robust handling of dsql information result vector.
193 +
194 + 4.  Support for centralised handling of transaction status changes. TIBTransaction
195 +    has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
196 +    and "AfterExecQuery". The first three are called after the same event is called
197 +    for an IBCustomDataSet descendent using the Transaction. The fourth is called
198 +    after a call to TIBSQL.ExecQuery, again using this transaction. These new events
199 +    enable monitoring of transaction status changes for a given transaction to be
200 +    handled in a single place. For example, when a change to the dataset occurs
201 +    an indicator can be set that shows the user that in order to save changes,
202 +    the transaction should be committed.  Rather than doing this per dataset, this
203 +    can now be done per transaction.
204 +
205 + 5.  TDataSet.CheckBrowseMode automatically posts changes to the current row when
206 +    the dataset is scrolled. However, any changes to the current row are, by default,
207 +    discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
208 +    have a new property "DataSetCloseAction" that adds automatic posting of changes
209 +    on dataset close. If this property is set to dcDiscardChanges (default) then the
210 +    behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
211 +    then IBX will attempt to post any unsaved changes before the dataset is closed
212 +    (and after the BeforeClose event handler is called). The exception is when the
213 +    dataset is being closed as a result of a transaction rollback. In this case,
214 +    no action is taken and any unsaved  changes are discarded. This avoids both
215 +    unnecessary overhead and the risk that a validation error may occur in the Post
216 +    raising an exception and thereby preventing a rollback.
217 +
218 + 6.  String Field sizes and Display Widths should now be correct for multi-byte character sets.
219 +    In earlier versions, the Display Width was set to the maximum byte width rather than the character
220 +    width. Display Widths are now corrected by dividing by the max byte width per character.
221 +    For UTF8 character sets, the byte width is four and hence the Display Width will be
222 +    the byte width divided by 4. The byte width of each character set is determined
223 +    dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
224 +    system table. (see also http://bugs.freepascal.org/view.php?id=27766).
225 +
226 + 7.  SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
227 +
228 + 8.  IBLookupComboEditBox: List should now always be restored to full list when the
229 +    control loses focus. Default Key press default interval reduced to 200ms.
230 +
231 + 9.  DBControlGrid: Ensure that selection is changed to newly appended row, even
232 +    when dataset rows are less than visible rows.
233 +
234 + 10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
235 +    does not exist or DataSet is empty. More responsive on dataset open. New event
236 +    OnRestorePosition. Column sort disabled if no header row.
237 +
238 + 11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
239 +    while dataset state is dsInsert. Avoids posting errors.
240 +
241 + 12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
242 +    avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
243 +
244 + 13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
245 +
246 + 14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
247 +    to solve a specific problem. That is when the dataset cursor is moved (e.g. by
248 +    a grid mouse click and the current row is being edited or inserted. In this case, TDataset
249 +    always "posts" the current record regardless or whether or not it may be more appropriate
250 +    to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
251 +    "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
252 +    as the first action of the "Post" method and allows the handler to convert the Post
253 +    into a Cancel if that is the appropriate action on moving to a different row. This is
254 +    achieved by returning with "CancelPost" argument set to true. Note that an exception could be
255 +    raised here, but it may still be more appropriate to validate a post and signal
256 +    a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
257 +
258 + 15. On Unix derived systems, the Firebird library name can now be given as a colon
259 +    separated list. Each library name on the list is tried in turn, in left to right
260 +    order with the first found being used as the firebird library. By default, on Linux,
261 +    the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
262 +    overidden by the FBLIB environment variable or the OnGetLibraryName function.
263 +
264 +    Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
265 +    then it will still attempt to access the database via the Firebird Server and will
266 +    require a username and password. If only the pathname is given, then the username
267 +    and password should be omitted and the unix file permissions are used to grant
268 +    access.
269 +
270 + IBX Change Log  version  (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
271 +
272 + 1.  A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
273 +    rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
274 +    that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
275 +    corresponds to a row of the linked DataSource. Any data aware control on the
276 +    replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
277 +
278 + 2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
279 +   When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
280 +   takes place during database access. This may be useful when there are performance issues with
281 +   the change of cursor. Setting the property to false suppresses the change of cursor.
282 +
283 + 3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
284 +   and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
285 +   Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
286 +   making all changes permanent immediately rather than when the transaction is explicitly
287 +   committed.
288 +
289 + 4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
290 +   using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
291 +
292 + IBX Change Log  version      (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
293 +
294 + Development version only.
295 +
296 + IBX Change Log  version   (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
297 +
298 + 1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
299 +   This is typically used during an "OnBeforeOpen" event handler to manipulate the
300 +   "Where" and "Having" clauses to implement user specified filters of arbitrary
301 +   complexity.
302 +
303 + 2. A new Component Palette entry "Firebird Data Controls" is now available. This has
304 +   three new data aware controls dependent on IBX and which make use of the SQL Parser.
305 +   These are:
306 +
307 +   - TIBLookupComboEditBox
308 +   - TIBDynamicGrid
309 +   - TIBTreeview
310 +
311 +   TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
312 +   of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
313 +   to revise the available list and restrict it to items that are prefixed by the
314 +   typed text (either case sensitive or case insensitive). Autoinsert allows a
315 +   newly typed entry to be added to the list dataset and included in the available
316 +   list items.
317 +
318 +   TIBDynamicGrid is a TDBGrid descendent that provides for:
319 +   - automatic resizing of selected columns to fill the available row length
320 +   - automatic positioning and sizing of a "totals" control, typically at the
321 +     column footer, on a per column basis.
322 +   - DataSet resorting on header row click, sorting the dataset by the selected column.
323 +     A second click on the same header cell reversed the sort order.
324 +   - Support for a "Panel Editor". That is on clicking the indicator column, the row
325 +     is automatically expanded and a panel superimposed on it. The panel can have any
326 +     number of child controls, typically data aware controls with the same datasource
327 +     as the grid allowing for editing of additional fields and more complex editors.
328 +   - Reselection of the same row following resorting.
329 +   - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
330 +     Its properties are specified on a per column basis and allows for one or more
331 +     columns to have their values selected from a list provided by a dataset.
332 +     Autocomplete and autoinsert are also available. The existing picklist editor
333 +     is unaffected by the extension.
334 +
335 +   TIBTreeView is a data aware TCustomTreeView.
336 +
337 + 3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
338 +   zero scale will no longer return an error. An Int64 will be returned instead.
339 +
340 + 4. TIBTransaction now has events for Before and After Transaction End and a new function
341 +   "GetEndAction" allowing the EndAction to be accessed by these event handlers.
342 +
343 + 5. TIBQuery can now handle correctly queries which contain the same keyword parameter
344 +   repeated multiple times.
345 +
346 + 6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
347 +   check used to get in the way of using Stored Procedures, and "Update or Insert"
348 +   statements.
349 +
350 + 7. Insert, Modify and Delete property Editors now support Query Generation from
351 +   Stored Procedures.
352 +
353 + 8. Three new examples illustrate the use of the new IB Controls
354 +
355 +
356 + IBX Change Log  version  (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
357 +
358 + 1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
359 +   setting performance. See "readme.field+param.names in the doc folder.(Thanks to
360 +   Gabor Boros for reporting this problem and for testing the improvements).
361 +
362 + 2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
363 +   See readme.field+param.names in the doc folder.
364 +
365 + 3. IBX SQL Editors will now automatically add double quotes around column names when the database
366 +   dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
367 +
368 + 4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
369 +
370 + 5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
371 +   actions.
372 +
373 + 6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
374 +   thanks to Yuriy Kopnin for pointing this out).
375 +
376 + 7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
377 +
378 + 8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
379 +   for both fields and parameter setting.
380 +
381 + 9. Changes to the Select SQL in an IBCustomDataset descendent should now be
382 +   visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
383 +
384 + 10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
385 +    when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
386 +
387 + 11. TIBTable now has a property editor for "MasterFields"
388 +
389 + 12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
390 +    GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
391 +
392 + 13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
393 +    of settings is unrecognised. Selecting this radio button has no effect on the settings.
394 +  
395 +
396   IBX Change Log  version                 (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
397  
398   1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines