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Revision 15 by tony, Thu Feb 28 16:56:14 2013 UTC vs.
Revision 27 by tony, Tue Apr 14 13:10:23 2015 UTC

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1 + IBX Change Log  version                                                          (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
2 +
3 + 1.  TIBStoredProc. Prepare now called by ParamByName to avoid need to always
4 +    call Prepare before setting parameter values.
5 +
6 + 2.  Error message on ParamByName (all cases) not found now includes name of missing parameter.
7 +
8 + 3.  Code tidyup and more robust handling of dsql information result vector.
9 +
10 + 4.  Support for centralised handling of transaction status changes. TIBTransaction
11 +    has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
12 +    and "AfterExecQuery". The first three are called after the same event is called
13 +    for an IBCustomDataSet descendent using the Transaction. The fourth is called
14 +    after a call to TIBSQL.ExecQuery, again using this transaction. These new events
15 +    enable monitoring of transaction status changes for a given transaction to be
16 +    handled in a single place. For example, when a change to the dataset occurs
17 +    an indicator can be set that shows the user that in order to save changes,
18 +    the transaction should be committed.  Rather than doing this per dataset, this
19 +    can now be done per transaction.
20 +
21 + 5.  TDataSet.CheckBrowseMode automatically posts changes to the current row when
22 +    the dataset is scrolled. However, any changes to the current row are, by default,
23 +    discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
24 +    have a new property "DataSetCloseAction" that adds automatic posting of changes
25 +    on dataset close. If this property is set to dcDiscardChanges (default) then the
26 +    behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
27 +    then IBX will attempt to post any unsaved changes before the dataset is closed
28 +    (and after the BeforeClose event handler is called). The exception is when the
29 +    dataset is being closed as a result of a transaction rollback. In this case,
30 +    no action is taken and any unsaved  changes are discarded. This avoids both
31 +    unnecessary overhead and the risk that a validation error may occur in the Post
32 +    raising an exception and thereby preventing a rollback.
33 +
34 + 6.  String Field sizes and Display Widths should now be correct for multi-byte character sets.
35 +    In earlier versions, the Display Width was set to the maximum byte width rather than the character
36 +    width. Display Widths are now corrected by dividing by the max byte width per character.
37 +    For UTF8 character sets, the byte width is four and hence the Display Width will be
38 +    the byte width divided by 4. The byte width of each character set is determined
39 +    dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
40 +    system table. (see also http://bugs.freepascal.org/view.php?id=27766).
41 +
42 + 7.  SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
43 +
44 + 8.  IBLookupComboEditBox: List should now always be restored to full list when the
45 +    control loses focus. Default Key press default interval reduced to 200ms.
46 +
47 + 9.  DBControlGrid: Ensure that selection is changed to newly appended row, even
48 +    when dataset rows are less than visible rows.
49 +
50 + 10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
51 +    does not exist or DataSet is empty. More responsive on dataset open. New event
52 +    OnRestorePosition. Column sort disabled if no header row.
53 +
54 + 11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
55 +    while dataset state is dsInsert. Avoids posting errors.
56 +
57 + 12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
58 +    avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
59 +
60 + 13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
61 +
62 + 14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
63 +    to solve a specific problem. That is when the dataset cursor is moved (e.g. by
64 +    a grid mouse click and the current row is being edited or inserted. In this case, TDataset
65 +    always "posts" the current record regardless or whether or not it may be more appropriate
66 +    to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
67 +    "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
68 +    as the first action of the "Post" method and allows the handler to convert the Post
69 +    into a Cancel if that is the appropriate action on moving to a different row. This is
70 +    achieved by returning with "CancelPost" argument set to true. Note that an exception could be
71 +    raised here, but it may still be more appropriate to validate a post and signal
72 +    a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
73 +
74 + 15. On Unix derived systems, the Firebird library name can now be given as a colon
75 +    separated list. Each library name on the list is tried in turn, in left to right
76 +    order with the first found being used as the firebird library. By default, on Linux,
77 +    the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
78 +    overidden by the FBLIB environment variable or the OnGetLibraryName function.
79 +
80 +    Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
81 +    then it will still attempt to access the database via the Firebird Server and will
82 +    require a username and password. If only the pathname is given, then the username
83 +    and password should be omitted and the unix file permissions are used to grant
84 +    access.
85 +
86 + IBX Change Log  version                                                    (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
87 +
88 + 1.  A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
89 +    rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
90 +    that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
91 +    corresponds to a row of the linked DataSource. Any data aware control on the
92 +    replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
93 +
94 + 2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
95 +   When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
96 +   takes place during database access. This may be useful when there are performance issues with
97 +   the change of cursor. Setting the property to false suppresses the change of cursor.
98 +
99 + 3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
100 +   and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
101 +   Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
102 +   making all changes permanent immediately rather than when the transaction is explicitly
103 +   committed.
104 +
105 + 4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
106 +   using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
107 +
108 + IBX Change Log  version                                                   (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
109 +
110 + Development version only.
111 +
112 + IBX Change Log  version                                      (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
113 +
114 + 1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
115 +   This is typically used during an "OnBeforeOpen" event handler to manipulate the
116 +   "Where" and "Having" clauses to implement user specified filters of arbitrary
117 +   complexity.
118 +
119 + 2. A new Component Palette entry "Firebird Data Controls" is now available. This has
120 +   three new data aware controls dependent on IBX and which make use of the SQL Parser.
121 +   These are:
122 +
123 +   - TIBLookupComboEditBox
124 +   - TIBDynamicGrid
125 +   - TIBTreeview
126 +
127 +   TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
128 +   of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
129 +   to revise the available list and restrict it to items that are prefixed by the
130 +   typed text (either case sensitive or case insensitive). Autoinsert allows a
131 +   newly typed entry to be added to the list dataset and included in the available
132 +   list items.
133 +
134 +   TIBDynamicGrid is a TDBGrid descendent that provides for:
135 +   - automatic resizing of selected columns to fill the available row length
136 +   - automatic positioning and sizing of a "totals" control, typically at the
137 +     column footer, on a per column basis.
138 +   - DataSet resorting on header row click, sorting the dataset by the selected column.
139 +     A second click on the same header cell reversed the sort order.
140 +   - Support for a "Panel Editor". That is on clicking the indicator column, the row
141 +     is automatically expanded and a panel superimposed on it. The panel can have any
142 +     number of child controls, typically data aware controls with the same datasource
143 +     as the grid allowing for editing of additional fields and more complex editors.
144 +   - Reselection of the same row following resorting.
145 +   - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
146 +     Its properties are specified on a per column basis and allows for one or more
147 +     columns to have their values selected from a list provided by a dataset.
148 +     Autocomplete and autoinsert are also available. The existing picklist editor
149 +     is unaffected by the extension.
150 +
151 +   TIBTreeView is a data aware TCustomTreeView.
152 +
153 + 3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
154 +   zero scale will no longer return an error. An Int64 will be returned instead.
155 +
156 + 4. TIBTransaction now has events for Before and After Transaction End and a new function
157 +   "GetEndAction" allowing the EndAction to be accessed by these event handlers.
158 +
159 + 5. TIBQuery can now handle correctly queries which contain the same keyword parameter
160 +   repeated multiple times.
161 +
162 + 6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
163 +   check used to get in the way of using Stored Procedures, and "Update or Insert"
164 +   statements.
165 +
166 + 7. Insert, Modify and Delete property Editors now support Query Generation from
167 +   Stored Procedures.
168 +
169 + 8. Three new examples illustrate the use of the new IB Controls
170 +
171 +
172 + IBX Change Log  version                      (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
173 +
174 + 1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
175 +   setting performance. See "readme.field+param.names in the doc folder.(Thanks to
176 +   Gabor Boros for reporting this problem and for testing the improvements).
177 +
178 + 2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
179 +   See readme.field+param.names in the doc folder.
180 +
181 + 3. IBX SQL Editors will now automatically add double quotes around column names when the database
182 +   dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
183 +
184 + 4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
185 +
186 + 5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
187 +   actions.
188 +
189 + 6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
190 +   thanks to Yuriy Kopnin for pointing this out).
191 +
192 + 7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
193 +
194 + 8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
195 +   for both fields and parameter setting.
196 +
197 + 9. Changes to the Select SQL in an IBCustomDataset descendent should now be
198 +   visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
199 +
200 + 10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
201 +    when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
202 +
203 + 11. TIBTable now has a property editor for "MasterFields"
204 +
205 + 12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
206 +    GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
207 +
208 + 13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
209 +    of settings is unrecognised. Selecting this radio button has no effect on the settings.
210 +  
211 +
212 + IBX Change Log  version                 (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
213 +
214 + 1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.
215 +
216   IBX Change Log  version          (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000
217  
218   1. In a TIBCustomDataset descendent, a generator now only sets the value when

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