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Revision 45 by tony, Tue Dec 6 10:33:46 2016 UTC vs.
Revision 139 by tony, Wed Jan 24 16:16:29 2018 UTC

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1 + IBX Change Log  version                                             (2.2-0) Tue, 23 Jan 2018 11:23:09 +0000
2  
3 < IBX Change Log  version                                                     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
3 > 1. IBExtract: Identity columns - add additional check for null column for generator name.
4  
5 < See also doc/readme.upgrade-4-x.to.2-0-0.xhtml for important information on
5 > 2. IBCustomDataSet: Insert and Modify (Update) queries now recognise and process SQL RETURNING clauses.
6 >   The main use for this is for Firebird 3 Identity columns (see IBXDocumentation 6.6.8 for further
7 >   information). 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 >
11 >   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 >   returning should be significantly more efficient than executing a refresh query.
19 >
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.
22 >
23 > 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.
31 >
32 > 4. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
33 >   any Computed By or Identity Columns. The IBTables example has been updated to
34 >   illustrate the computation of the employee Full Name on update.
35 >
36 > 5. TIBTable: The GeneratorField property is now published.
37 >
38 > 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
39 >   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.
42 >
43 > 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
44 >   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
45 >   Insert..Returning clause.
46 >
47 > 8. TIBGenerator: small performance improvement by not preparing query each time
48 >   a new value is generated.
49 >
50 > 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
51 >
52 > 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 >
55 > 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
56 >    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 >
59 > 12. Property Editors handling of Stored Procedures.
60 >    * 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 >
65 > 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
66 >    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.
69 >
70 > 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
71 >    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.
74 >
75 > 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
76 >    for password on reconnect.
77 >
78 > 16. IBDatabase: use IAttachment for connection default character set id, code page
79 >    and character set name.
80 >
81 > 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
82 >    DB info lookups"
83 >
84 > 18. IBExtract: now supports DDL Triggers.
85 >
86 > 19. Add a property Editor for TIBUpdate.RefreshSQL.
87 >
88 > 20. IBUpdate: Ignore non-data (e.g. calculated) fields when assembling list of input
89 >    parameters. This stops an exception being raised when the field cannot be
90 >    located in the record buffer.
91 >
92 >
93 > IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
94 >
95 > 1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
96 >   changes.
97 >
98 > 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
99 >   Bug could result in truncated multi-byte character set values.
100 >
101 > 3. Changes consequential on moving fbintf character set utility functions from
102 >   IFirebirdAPI to IAttachment.
103 >
104 > 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
105 >
106 > 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
107 >   results in autocomplete ignoring prefix text.
108 >
109 > 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
110 >   entering a new name into the text box.
111 >
112 > 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
113 >   Firebird rather than recomputing it.
114 >
115 > 8. Property Editor positioning tidy up: All IBX Property editors should now be
116 >   screen centre. Previously some were "poDesigned" which may be inappropriate
117 >   for multi monitor desktops.
118 >
119 > 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
120 >
121 > 11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
122 >    a transaction and always reset the object.
123 >
124 > 12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
125 >
126 > 13. TIBXScript: Allow for override of database filename in Create Database statements.
127 >
128 > 14. IBLocaldb: Support initialisation of the database from an SQL script in addition
129 >    to a gbak format archive.
130 >
131 > 15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
132 >
133 > 16. IBLocaldb: Drop database if error creating an empty database.
134 >
135 > 17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
136 >    unless selected node not in current dataset.
137 >
138 > 18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
139 >    to TIBCustomService, and IBlocalDB code tidy up.
140 >
141 > 19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
142 >    behaviour due to uninitialised variable.
143 >
144 > 20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
145 >    integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
146 >
147 > 21. IBSQL: When Database changed ensure that all resources are freed.
148 >
149 > 22. IBCustomDataset: When database changed ensure that queries an unprepared.
150 >
151 > 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
152 >    * Line Wrap on SQL Token boundaries (on user command)
153 >    * auto-complete table names in drop down list of table names
154 >    * Double click on tablename or field name adds to SQL text
155 >
156 > 24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
157 >
158 > 25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
159 >    TVariantArray. Seems to avoid memory corruption in Windows (probably a
160 >    workaround for a problem in fpc 3.0.4 win64).
161 >
162 > 26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
163 >
164 > 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
165 >
166 > IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
167 >
168 > 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
169 >   include remote system name.
170 >
171 > 2. TIBExtract: No longer include comment header and COMMIT statement for empty
172 >   tables when data included in output.
173 >
174 > 3. Profiling: IBSQL now has conditional compilation flags to enable query performance
175 >   and timing information to be written to stdout. This may be used to locate
176 >   performance bottlenecks.
177 >
178 > 4. SQLParser: only call "OnChanging" event handler when value is different.
179 >
180 > 5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
181 >
182 > 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
183 >   that BindFields is called when the query is next activated. Avoids FieldName
184 >   not found error.
185 >
186 > 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
187 >   purpose and allows the programmer to define any action they want for Update, Insert
188 >   or Delete. This may be complex SQL (similar to a Trigger), application specific
189 >   filtering of updates, or use of statements such as Grant or Revoke instead of
190 >   normal DML. See User Manual for more information.
191 >
192 > IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
193 >
194 > 1. TIBEvents: Fix uninitialised variable that could result in lost events.
195 >
196 > 2. TIBExtract: Added support for FB3 "USAGE" privilege.
197 >
198 > 3. TIBExtract: data formatted as Charset set "octets" is now output using
199 >   hexadecimal notation.
200 >
201 > 4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
202 >   using a simple XML format.
203 >
204 > 5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
205 >   grants to these objects.
206 >
207 > 6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
208 >   dependency problems restoring complex databases.
209 >
210 > 7. TIBXScript: This component has been restructured to allow for the processing of
211 >   embedded XML in INSERT statements and to support interactive sources in addition
212 >   to non-interactive data sources such as files.
213 >
214 > 8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
215 >
216 > 9. TIBXScript: ISQL compatiable Set statements are now supported:
217 >   SET SQL DIALECT
218 >   SET TERM
219 >   SET AUTODDL
220 >   SET BAIL
221 >   SET ECHO
222 >   SET COUNT
223 >   SET STATS
224 >   SET NAMES <character set>
225 >
226 > 10. IBVersion unit added to hold current IBX Version Number information.
227 >
228 > 11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
229 >    and domain definitions.
230 >
231 > 12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
232 >    fully supported.
233 >
234 > 13. TIBExtract: when a database dump includes data, the generator values are now also set.
235 >
236 > 14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
237 >
238 > IBX Change Log  version     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
239 >
240 > See also doc/IBX4LazarusGuide.pdf for important information on
241   upgrading to IBX2.
242  
243   1. Size property of TIBStringField is now the width in characters of the field

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