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 50 by tony, Thu Feb 23 15:22:18 2017 UTC vs.
Revision 109 by tony, Thu Jan 18 14:37:48 2018 UTC

# Line 1 | Line 1
1 < IBX Change Log  version                  (2.0-2) tba, 09 Jan 2017 15:31:49 +0000
1 > IBX Change Log  version                                     (2.2-0) Tue, 16 Jan 2018 16:49:07 +0000
2  
3 < 1. TIBDatabase.CreateDatabase: extract full DB Name using reg ex in order to
3 > 1. IBExtract: Identity columns - add additional check for null column for generator name.
4 >
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 excuting 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. TIBTable: generated Insert and Update SQL now include a RETURNING clause for
24 >   any Computed By or Identity Columns. The IBTables example has been updated to
25 >   illustrate the computation of the employee Full Name on update.
26 >
27 > 4. TIBTable: The GeneratorField property is now published.
28 >
29 > 5. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
30 >   When InsertSQL is generated, the Identity columns are not included in the list of values to
31 >   be inserted. A RETURNING clause is added to the insert statement to return the value of
32 >   each Identity column after the insert is executed.
33 >
34 > 6. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
35 >   Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
36 >   Insert..Returning clause.
37 >
38 > 7. TIBGenerator: small performance improvement by not preparing query each time
39 >   a new value is generated.
40 >
41 > 8. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
42 >
43 > 9. Property editors will now sync table name to a System Table when "Include System
44 >   Tables" is selected and the query is for a System Table.
45 >
46 > 10. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
47 >    values are no longer converted to milliseconds from TDateTime and then back again
48 >    to TDateTime (the conversion to milliseconds is the default TDataset approach).
49 >
50 > 11. Property Editors handling of Stored Procedures.
51 >    * Select and Refresh: only show a list of stored procedures that return multiple rows (proc type 1) and
52 >      which have a non-empty list of output parameters (i.e. stored procedures that may be used in a select
53 >      query).
54 >    * Modify and Insert: only show a list of stored procedures that return at most a singleton row (proc type 2).
55 >
56 > 12. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
57 >    can be used to select a package. If non-empty, the stored procedure name is
58 >    expected to be a stored procedure defined in the specified package and the
59 >    generated SQL will be as required for a stored procedure located in a package.
60 >
61 > 13. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
62 >    a "Package Name" drop down box to allow selection of a Firebird 3 Package from
63 >    which a stored procedure can be selected. With no package name selected, non-package
64 >    stored procedures are listed.
65 >
66 > 14. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
67 >    for password on reconnect.
68 >
69 >
70 > IBX Change Log  version                            (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
71 >
72 > 1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
73 >   changes.
74 >
75 > 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
76 >   Bug could result in truncated multi-byte character set values.
77 >
78 > 3. Changes consequential on moving fbintf character set utility functions from
79 >   IFirebirdAPI to IAttachment.
80 >
81 > 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
82 >
83 > 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
84 >   results in autocomplete ignoring prefix text.
85 >
86 > 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
87 >   entering a new name into the text box.
88 >
89 > 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
90 >   Firebird rather than recomputing it.
91 >
92 > 8. Property Editor positioning tidy up: All IBX Property editors should now be
93 >   screen centre. Previously some were "poDesigned" which may be inappropriate
94 >   for multi monitor desktops.
95 >
96 > 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
97 >
98 > 11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
99 >    a transaction and always reset the object.
100 >
101 > 12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
102 >
103 > 13. TIBXScript: Allow for override of database filename in Create Database statements.
104 >
105 > 14. IBLocaldb: Support initialisation of the database from an SQL script in addition
106 >    to a gbak format archive.
107 >
108 > 15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
109 >
110 > 16. IBLocaldb: Drop database if error creating an empty database.
111 >
112 > 17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
113 >    unless selected node not in current dataset.
114 >
115 > 18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
116 >    to TIBCustomService, and IBlocalDB code tidy up.
117 >
118 > 19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
119 >    behaviour due to uninitialised variable.
120 >
121 > 20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
122 >    integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
123 >
124 > 21. IBSQL: When Database changed ensure that all resources are freed.
125 >
126 > 22. IBCustomDataset: When database changed ensure that queries an unprepared.
127 >
128 > 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
129 >    * Line Wrap on SQL Token boundaries (on user command)
130 >    * auto-complete table names in drop down list of table names
131 >    * Double click on tablename or field name adds to SQL text
132 >
133 > 24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
134 >
135 > 25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
136 >    TVariantArray. Seems to avoid memory corruption in Windows (probably a
137 >    workaround for a problem in fpc 3.0.4 win64).
138 >
139 > 26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
140 >
141 > 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
142 >
143 > IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
144 >
145 > 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
146     include remote system name.
147  
148   2. TIBExtract: No longer include comment header and COMMIT statement for empty
# Line 18 | Line 160 | IBX Change Log  version
160     that BindFields is called when the query is next activated. Avoids FieldName
161     not found error.
162  
163 + 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
164 +   purpose and allows the programmer to define any action they want for Update, Insert
165 +   or Delete. This may be complex SQL (similar to a Trigger), application specific
166 +   filtering of updates, or use of statements such as Grant or Revoke instead of
167 +   normal DML. See User Manual for more information.
168 +
169   IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
170  
171   1. TIBEvents: Fix uninitialised variable that could result in lost events.

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines