ViewVC Help
View File | Revision Log | Show Annotations | Download File | View Changeset | Root Listing
root/public/ibx/trunk/changelog
Revision: 33
Committed: Sat Jul 18 12:30:52 2015 UTC (8 years, 8 months ago) by tony
File size: 19433 byte(s)
Log Message:
Committing updates for Release R1-3-1

File Contents

# Content
1 IBX Change Log version (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
2
3 1. OnCloseUp Event Handler added to TDBLookupProperties
4
5 2. IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
6 problem with row size when exception is called.
7
8 3. IBLookupComboEditBox: Force pending autocomplete on combobox exit.
9
10 4. IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
11 in a TCustomComboBox and ignores return key if in a TCustomMemo
12
13 5. IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
14 keyed in i.e. when autocomplete not performed
15
16 6. Cleanup of "Uses" clauses and add console mode support. IBX should now support
17 console mode applications with all LCL required functions (builtin dialogs and
18 cursor management) centralised in the IBDialogs unit. As long as "IBDialogs" is
19 not included in your project, IBX should compile and link with a console mode program.
20 See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
21 console mode application or the IDE will automatically assume that your
22 application is GUI based. Instead, you should include the ibexpressconsolemode package.
23
24 IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
25 to use the built in dialogs and cursor management. IBDialogs is
26 included by default if "ibexpress" is in your project source's "uses" clause.
27 This should be the case for all projects created through the IDE. This is why
28 you do not want to add the ibexpress package to console mode applications. The
29 ibexpressconsolemode package has been created to allow console mode programs
30 to avoid adding LCL dependencies when using IBX, while still having the
31 unit search paths set up correctly.
32
33 Existing users should check to ensure that the "ibexpress" unit is included in
34 each project's source file (*.lpr).
35
36 You may find that in order for the IDE to recognise that ibexpressconsolemode
37 exists, you have to first open the package in the IDE and then close it. This
38 adds it to the most recently accessed packages list. To make it permanently
39 available, add the package name to lazarus' staticpackages.inc file.
40
41 Thanks to Julio Jiménez for suggesting support of console mode.
42
43 7. SQL Parser can now accept quoted strings that include new lines
44
45 8. IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
46 of text on start of edit. This is particularly useful when tabbing to a
47 column and then inserting text.
48
49 9. New Examples provided for IB Services and ISQLMonitor.
50
51 10. Fix error when writing to blob streams that recorded only the last buffer
52 write in the blob stream. In most cases, this did not cause a problem as the
53 IB Blob Stream is written in a single write. However, with the TDBImage, write
54 of a graphic type prefix was lost which caused a problem when the image could
55 not be automatically recognised.
56
57 11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
58 already open" errors due to random numbers used for the cursor name being identical.
59
60 12. IBTable: corrected error that could result in an "Index out of bounds" error
61 when opening the table and the Primary Key is the last or only column in the
62 table. Thanks to Rick Hoover for the fix.
63
64 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
65 of "UTF-8", and update list of available database character sets. Existing
66 users should check the current lc_ctype setting in their applications.
67
68 IBX Change Log version (1.2-4) Sat, 09 May 2015 12:38:29 +0100
69
70 1. Firebird Services: avoid List Index error when opening a service with an
71 empty Params property.
72
73 2. IBControls: Fix problem with new link mechanism introduced in 1.2.3.
74 Link now set up in Loaded method - avoids occasional failure to apply
75 SQL markup on initial open.
76
77 3. "Employees" example performance improvements when scrolling.
78
79 4. DBControlGrid: Correctly handle edit panel removal when panel is child control of a
80 TFrame. Force recaching of selected frame to avoid GTK race (results in a
81 random image cached).
82
83 5. DBControlGrid: Should now react to changes in panel height at run time.
84
85 6. IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid
86 even when further rows exist.
87
88 7. DBControlGrid: DefaultRowHeight is no longer a published property as it should
89 always be derived from panel height and setting this property can cause confusion.
90 Note for existing projects: to avoid a missing property error at run time,
91 each form using the DBControlGrid must be opened, updated and saved in the IDE
92 in order to remove the property value from the lfm.
93
94
95 IBX Change Log version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
96
97 1. TIBStoredProc. Prepare now called by ParamByName to avoid need to always
98 call Prepare before setting parameter values.
99
100 2. Error message on ParamByName (all cases) not found now includes name of missing parameter.
101
102 3. Code tidyup and more robust handling of dsql information result vector.
103
104 4. Support for centralised handling of transaction status changes. TIBTransaction
105 has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
106 and "AfterExecQuery". The first three are called after the same event is called
107 for an IBCustomDataSet descendent using the Transaction. The fourth is called
108 after a call to TIBSQL.ExecQuery, again using this transaction. These new events
109 enable monitoring of transaction status changes for a given transaction to be
110 handled in a single place. For example, when a change to the dataset occurs
111 an indicator can be set that shows the user that in order to save changes,
112 the transaction should be committed. Rather than doing this per dataset, this
113 can now be done per transaction.
114
115 5. TDataSet.CheckBrowseMode automatically posts changes to the current row when
116 the dataset is scrolled. However, any changes to the current row are, by default,
117 discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
118 have a new property "DataSetCloseAction" that adds automatic posting of changes
119 on dataset close. If this property is set to dcDiscardChanges (default) then the
120 behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
121 then IBX will attempt to post any unsaved changes before the dataset is closed
122 (and after the BeforeClose event handler is called). The exception is when the
123 dataset is being closed as a result of a transaction rollback. In this case,
124 no action is taken and any unsaved changes are discarded. This avoids both
125 unnecessary overhead and the risk that a validation error may occur in the Post
126 raising an exception and thereby preventing a rollback.
127
128 6. String Field sizes and Display Widths should now be correct for multi-byte character sets.
129 In earlier versions, the Display Width was set to the maximum byte width rather than the character
130 width. Display Widths are now corrected by dividing by the max byte width per character.
131 For UTF8 character sets, the byte width is four and hence the Display Width will be
132 the byte width divided by 4. The byte width of each character set is determined
133 dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
134 system table. (see also http://bugs.freepascal.org/view.php?id=27766).
135
136 7. SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
137
138 8. IBLookupComboEditBox: List should now always be restored to full list when the
139 control loses focus. Default Key press default interval reduced to 200ms.
140
141 9. DBControlGrid: Ensure that selection is changed to newly appended row, even
142 when dataset rows are less than visible rows.
143
144 10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
145 does not exist or DataSet is empty. More responsive on dataset open. New event
146 OnRestorePosition. Column sort disabled if no header row.
147
148 11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
149 while dataset state is dsInsert. Avoids posting errors.
150
151 12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
152 avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
153
154 13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
155
156 14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
157 to solve a specific problem. That is when the dataset cursor is moved (e.g. by
158 a grid mouse click and the current row is being edited or inserted. In this case, TDataset
159 always "posts" the current record regardless or whether or not it may be more appropriate
160 to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
161 "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
162 as the first action of the "Post" method and allows the handler to convert the Post
163 into a Cancel if that is the appropriate action on moving to a different row. This is
164 achieved by returning with "CancelPost" argument set to true. Note that an exception could be
165 raised here, but it may still be more appropriate to validate a post and signal
166 a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
167
168 15. On Unix derived systems, the Firebird library name can now be given as a colon
169 separated list. Each library name on the list is tried in turn, in left to right
170 order with the first found being used as the firebird library. By default, on Linux,
171 the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
172 overidden by the FBLIB environment variable or the OnGetLibraryName function.
173
174 Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
175 then it will still attempt to access the database via the Firebird Server and will
176 require a username and password. If only the pathname is given, then the username
177 and password should be omitted and the unix file permissions are used to grant
178 access.
179
180 IBX Change Log version (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
181
182 1. A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
183 rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
184 that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
185 corresponds to a row of the linked DataSource. Any data aware control on the
186 replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
187
188 2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
189 When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
190 takes place during database access. This may be useful when there are performance issues with
191 the change of cursor. Setting the property to false suppresses the change of cursor.
192
193 3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
194 and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
195 Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
196 making all changes permanent immediately rather than when the transaction is explicitly
197 committed.
198
199 4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
200 using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
201
202 IBX Change Log version (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
203
204 Development version only.
205
206 IBX Change Log version (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
207
208 1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
209 This is typically used during an "OnBeforeOpen" event handler to manipulate the
210 "Where" and "Having" clauses to implement user specified filters of arbitrary
211 complexity.
212
213 2. A new Component Palette entry "Firebird Data Controls" is now available. This has
214 three new data aware controls dependent on IBX and which make use of the SQL Parser.
215 These are:
216
217 - TIBLookupComboEditBox
218 - TIBDynamicGrid
219 - TIBTreeview
220
221 TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
222 of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
223 to revise the available list and restrict it to items that are prefixed by the
224 typed text (either case sensitive or case insensitive). Autoinsert allows a
225 newly typed entry to be added to the list dataset and included in the available
226 list items.
227
228 TIBDynamicGrid is a TDBGrid descendent that provides for:
229 - automatic resizing of selected columns to fill the available row length
230 - automatic positioning and sizing of a "totals" control, typically at the
231 column footer, on a per column basis.
232 - DataSet resorting on header row click, sorting the dataset by the selected column.
233 A second click on the same header cell reversed the sort order.
234 - Support for a "Panel Editor". That is on clicking the indicator column, the row
235 is automatically expanded and a panel superimposed on it. The panel can have any
236 number of child controls, typically data aware controls with the same datasource
237 as the grid allowing for editing of additional fields and more complex editors.
238 - Reselection of the same row following resorting.
239 - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
240 Its properties are specified on a per column basis and allows for one or more
241 columns to have their values selected from a list provided by a dataset.
242 Autocomplete and autoinsert are also available. The existing picklist editor
243 is unaffected by the extension.
244
245 TIBTreeView is a data aware TCustomTreeView.
246
247 3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
248 zero scale will no longer return an error. An Int64 will be returned instead.
249
250 4. TIBTransaction now has events for Before and After Transaction End and a new function
251 "GetEndAction" allowing the EndAction to be accessed by these event handlers.
252
253 5. TIBQuery can now handle correctly queries which contain the same keyword parameter
254 repeated multiple times.
255
256 6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
257 check used to get in the way of using Stored Procedures, and "Update or Insert"
258 statements.
259
260 7. Insert, Modify and Delete property Editors now support Query Generation from
261 Stored Procedures.
262
263 8. Three new examples illustrate the use of the new IB Controls
264
265
266 IBX Change Log version (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
267
268 1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
269 setting performance. See "readme.field+param.names in the doc folder.(Thanks to
270 Gabor Boros for reporting this problem and for testing the improvements).
271
272 2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
273 See readme.field+param.names in the doc folder.
274
275 3. IBX SQL Editors will now automatically add double quotes around column names when the database
276 dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
277
278 4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
279
280 5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
281 actions.
282
283 6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
284 thanks to Yuriy Kopnin for pointing this out).
285
286 7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
287
288 8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
289 for both fields and parameter setting.
290
291 9. Changes to the Select SQL in an IBCustomDataset descendent should now be
292 visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
293
294 10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
295 when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
296
297 11. TIBTable now has a property editor for "MasterFields"
298
299 12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
300 GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
301
302 13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
303 of settings is unrecognised. Selecting this radio button has no effect on the settings.
304
305
306 IBX Change Log version (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
307
308 1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.
309
310 IBX Change Log version (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000
311
312 1. In a TIBCustomDataset descendent, a generator now only sets the value when
313 it is null. This allows for alternative user defined setting of the generator
314
315 Many thanks to Julio Jiménez for this fix
316
317 2. An Error Dialog is now displayed in the Lazarus IDE if IBX cannot find the Firebird Library
318 and suggests that the user may have forgotten to install it.
319
320 IBX Change Log version (1.0-3) Thu, 22 Nov 2012 22:53:39 +0000
321
322 1. Conditional compilation used to limit registration of TIntegerField to
323 Lazarus versions less than 1.1
324
325 2. When a database connection is created, character set is now by default set
326 to UTF8 (Unix) or to the current Windows code page (Windows) if in the range
327 1250 to 1254.
328
329
330 IBX Change Log version (1.0-2) Tue, 09 Oct 2012 09:10:30 +0100
331
332 1. TBookmark change conditional compile changed to > 2.6.2 to match expected availability of change.
333
334
335 IBX Change Log version (1.0-1) Sun, 05 Aug 2012 20:00:04 +0100
336
337 1. In IBCustomDataset. Changed CurBookmark from string to TBookmark for compiler versions > 2.6.0
338 Necessary because of TBookmark type and TDataSet.Bookmark property change in fpc 2.7.1
339
340 2. IBX now registers TIntegerField as a "No Icon" component. This may be removed if the fpc DB
341 package is changed to do this (which it should do).
342
343 IBX Change Log version (1.0-0) Sat, 28 Apr 2012 16:43:00 +0100
344
345 1. Add "if active then active := false" to TIBCustomDataset destructor. (Avoid error on database close).
346
347 2. Make use of $STATIC conditional in IBSQLMonitor (Needed for FPC 2.6.0 compliance)
348
349 3. Database Property Editor: Character Set drop down box now uses "OnChange" rather than "OnCloseUp" to react to changes
350
351 4. Property editors should now correctly resize.
352
353 5. In IBDatabaseEdit.TestClick, the LoginPrompt is now set to the state of the LoginPrompt Checkbox
354 (restored original functionality)
355
356 6. Under OSX, if IBX fails to load libfbclient.dylib, it will now try and load the firebird
357 library using the absolute path /Library/Frameworks/Firebird.framework/Firebird.