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Revision: 143
Committed: Fri Feb 23 12:11:21 2018 UTC (6 years, 1 month ago) by tony
File size: 48933 byte(s)
Log Message:
Fixes Merged

File Contents

# User Rev Content
1 tony 143 IBX Change Log version (2.2-0) Thu, 22 Feb 2018 17:12:26 +0000
2 tony 101
3 tony 107 1. IBExtract: Identity columns - add additional check for null column for generator name.
4 tony 101
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 tony 107 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 tony 101
11 tony 107 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 tony 123 returning should be significantly more efficient than executing a refresh query.
19 tony 107
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 tony 118 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 tony 107 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 tony 118 5. TIBTable: The GeneratorField property is now published.
37 tony 107
38 tony 118 6. The InsertSQL property editor now shows Firebird 3 Identity columns separate from the Field List.
39 tony 101 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 tony 118 7. The Modify Property Editor now generates Update SQL with Computed By fields in Update..Returning clause.
44 tony 107 Similarly Insert Property Editor now generates Insert SQL with Computed By fields in
45     Insert..Returning clause.
46 tony 104
47 tony 118 8. TIBGenerator: small performance improvement by not preparing query each time
48 tony 107 a new value is generated.
49 tony 104
50 tony 118 9. TIBSQL: Free resources when transaction changed - ensures new transaction is used.
51 tony 107
52 tony 118 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 tony 105
55 tony 118 11. Minor Performance improvement to handling of Date/Time types in IBX datasets. Field
56 tony 107 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 tony 105
59 tony 118 12. Property Editors handling of Stored Procedures.
60 tony 107 * 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 tony 106
65 tony 118 13. IBStoredProc: Now supports Firebird 3 Package Names. A new published property PackageName
66 tony 107 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 tony 118 14. Select, Refresh, Insert, Modify, Delete and TIBSQL SQL Property Editors now include
71 tony 107 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 tony 118 15. TIBXScript: turn off database login prompt when reconnecting - this avoids prompting
76 tony 109 for password on reconnect.
77 tony 107
78 tony 143 16. TIBDatabase: use IAttachment for connection default character set id, code page
79 tony 118 and character set name.
80 tony 109
81 tony 118 17. TIBDatabaseInfo: cache ODS Version information on first request in order to minimise
82     DB info lookups"
83    
84 tony 143 18. IBExtract: now supports DDL Triggers and Grants to DDL objects.
85 tony 118
86 tony 127 19. Add a property Editor for TIBUpdate.RefreshSQL.
87 tony 118
88 tony 139 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 tony 127
92 tony 141 21. Property Editors now automatically include System Tables when opened and when the query table
93     is a System Table.
94 tony 139
95 tony 143 22. IBServices: SQRB and SRB buffers are now reset when service query throws and exception.
96     This avoids errors due to a stale SQRB or SRB being used for the next query.
97 tony 141
98 tony 143 23. IBServices: Service attach parameters now include "expected_db". This is used to
99     add the SPB item isc_spb_expected_db. This names a database using
100     an alternative Security Database (FB3 onwards) and allows (e.g. backup/restore) using such a
101     database. examples/services re-written to illustrate use of "expected_db".
102 tony 141
103 tony 143 24. IBServices: TIBControlAndQueryService.WriteNextChunk no longer ignores isc_info_svc_timeout.
104     This avoids truncated backups when the server returns a timeout (busy) response.
105    
106     25. TIBDatabase: isc_dpb_page_size now supported as a database parameter when using TIBDatabase.CreateDatabase.
107    
108     26. TIBDatabase: DatabaseName property may now be prefixed by $TEMP$ or $DATADIR$ for local
109     databasenames. These are respectively expanded to the local system's temp directory
110     (including trailing delimiter) or to a directory a prescribed data directory (including
111     trailing delimiter). Under Unix systems the data directory is a hidden directory
112     in the user's home directory. The hidden directory name is either the string returned
113     from the SysUtils "Vendor Name" or "IBX" if empty. In either case prefixed by a '.'.
114     Under Windows, the directory is the same as the Data Directory as decribed
115     above but instead prefixed by the User's application data path. These may be
116     used to improve application portability.
117    
118     27. TIBTable: FieldDefs property is no longer published. Due to the use of TIBFieldDef
119     this has not worked for a long time and is not useful either. FieldDefs should be
120     managed using the Fields Editor as with any other dataset. To access the fields
121     editor for a TIBTable component, double click on the component. The fields editor
122     is then displayed.
123    
124     28. TIBDatabaseInfo: new properties/function
125     * DateDBCreated (returns date/time database created)
126     * TransactionCount (returns no. of active transactions)
127     * GetDatabasePage(PageNo: integer) (returns contents of specified database page - SYSDBA only).
128     * PagesFree (Firebird 3 or later)
129     * PagesUsed (Firebird 3 or later)
130     * Encrypted (returns true if database encrypted. (Firebird 3.0.3 or later only)
131     * EncryptionKeyName (returns the name of the encryption key if any (Firebird 3.0.3 or later only)
132    
133     29. IBServices classes now provided the decoded release number in the (array) property ServerVersionNo.
134    
135     30. TIBSecurityService now supports display/modification of the User Admin Role (Firebird 2.5 and later).
136    
137     31. TIBConfigService now has a procedure SetAutoAdmin(Value: boolean) to enable/disable
138     the automtic mapping of privileged OS users to the RDB$ADMIN role (Firebird 2.5 and later).
139    
140     32. TIBBackupService: New Option - NoDBTriggers equivalent to -nodbtriggers switch introduced
141     in the gbak utility at V.2.1 to prevent database-level and transaction-level triggers from
142     firing during backup and restore.
143    
144     33. Both TIBBackupService and TIBRestoreService now support backup/restore statistics options
145     for verbose output using the new property "StatisticsRequested".
146     see https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-util-gbak.html#rnfb25-util-gbakstats
147    
148     34. TIBRestoreService: now supports new options RestoreMetaDataOnly (Firebird 2.5 and later).
149    
150     35. TIBOnlineValidationService component added to the IBServices and the "Firebird Admin"
151     palette. This uses the online validation feature added in Firebird 2.5. The
152     services's properties enable inclusion/exclusion of tables and indexes using
153     regular expressions. See.
154     https://firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-onlinevalidation
155    
156     36. IBServices: procedure TIBConfigService.SetNoLinger added to set no linger
157     option on a database.
158    
159     37. TIBCustomService: Assign method implemented to allow copying of service login
160     context between service API components. "Detach" method now only detaches
161     service when last reference to the service interface detaches. Tidy up of
162     code for SetActive and Attach methods including password hiding.
163    
164     38. TIBDatabase: new proterties: AuthenticationMethod and RemoteProtocol. Read only
165     and used to determine the auth method and protocol used for the connection.
166    
167     39. TIBDatabase: ensure that SQLDialect setting is used when creating a database using
168     a Create Database Statement generated by IBX.
169    
170     40. All IBServices now have an additional published property "PortNo". This may
171     be set to a non-standard port number when necessary. If zero then the default
172     port number is used.
173    
174     41: TIBLookupComboeditBox: Ensure dataset updated when change selected with the keyboard
175     and not just the mouse.
176    
177     42. TIBCustomDataset: reopen query if already active when a TIBControlLink is added.
178    
179     43. TIBTreeview: new ImageIndexField and SelectedIndexField Property allows the
180     image index and selected image index for each node to be set from a database field.
181    
182     44. TIBExtract: new extract type (etGrantsToUser) for use with eoDatabase. If included
183     then database schema includes grants to all users. If not present then the
184     only user grants included are those to User PUBLIC.
185    
186     45. TIBTreeView: performance improvement. When expanding include both expanded node
187     and child nodes in dataset.
188    
189    
190 tony 90 IBX Change Log version (2.1-0) Fri, 15 Dec 2017 12:20:11 +0000
191 tony 56
192     1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
193     changes.
194    
195 tony 58 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
196     Bug could result in truncated multi-byte character set values.
197    
198 tony 60 3. Changes consequential on moving fbintf character set utility functions from
199     IFirebirdAPI to IAttachment.
200    
201 tony 62 4. Avoid "Object is nil" error when opening a database with DefaultSystemCodePage = true
202    
203 tony 64 5. IBLookupComboEditBox: avoid race condition when autocompleting text that occasionally
204     results in autocomplete ignoring prefix text.
205    
206 tony 65 6. IBLookupComboEditBox: Ensure that cursor is not reset to start of text when
207     entering a new name into the text box.
208    
209 tony 66 7. IBCustomDataset: ensure that TIBStringField uses the field size reported by
210     Firebird rather than recomputing it.
211    
212 tony 67 8. Property Editor positioning tidy up: All IBX Property editors should now be
213     screen centre. Previously some were "poDesigned" which may be inappropriate
214     for multi monitor desktops.
215    
216 tony 80 10. TIBTreeView.FindNode: protect against error if zero length path or empty tree node.
217    
218     11. TIBTransaction: On Force Disconnect do not raise an exception when problem ending
219     a transaction and always reset the object.
220    
221     12. TIBQuery tidyup: remove unnecessary call to GetAffectedRows.
222    
223     13. TIBXScript: Allow for override of database filename in Create Database statements.
224    
225     14. IBLocaldb: Support initialisation of the database from an SQL script in addition
226     to a gbak format archive.
227    
228     15. IBLocaldb: fix problem that stopped the OnSharedDataDir event from being recognised.
229    
230     16. IBLocaldb: Drop database if error creating an empty database.
231    
232     17. TIBTreeView: improve performance when selecting node - avoid refreshing dataset
233     unless selected node not in current dataset.
234    
235     18. IBServices: SetDBParams method moved from TCustomIBLocalDBSupport (in IBLocalDB package)
236     to TIBCustomService, and IBlocalDB code tidy up.
237    
238     19. IBTreeView: Initialise TIBTreeNode KeyValue to null to avoid unpredictable
239     behaviour due to uninitialised variable.
240    
241     20. IBServices: Correct encoding of isc_spb_prp_write_mode in TIBConfigService from
242     integer to byte. Ditto isc_spb_prp_reserve_space and isc_spb_prp_access_mode.
243    
244     21. IBSQL: When Database changed ensure that all resources are freed.
245    
246     22. IBCustomDataset: When database changed ensure that queries an unprepared.
247    
248 tony 84 23. SQL Property Editors now use SynEdit with SQL Highlighter. New features include:
249     * Line Wrap on SQL Token boundaries (on user command)
250     * auto-complete table names in drop down list of table names
251     * Double click on tablename or field name adds to SQL text
252 tony 80
253     24. IBDataOutput: print statistics using float (%f) format instead of decimal (%d).
254    
255     25. IBTreeView: Call to FindNode: param type change from "array of Variant" to
256     TVariantArray. Seems to avoid memory corruption in Windows (probably a
257     workaround for a problem in fpc 3.0.4 win64).
258    
259     26. IBDatabaseInfo: Code tidy up. Add check for database not assigned or not open.
260    
261 tony 83 27. IBDatabaseInfo: Remove memory leak when accessing database operation counts.
262    
263 tony 51 IBX Change Log version (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
264 tony 49
265 tony 51 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
266 tony 49 include remote system name.
267    
268     2. TIBExtract: No longer include comment header and COMMIT statement for empty
269     tables when data included in output.
270    
271     3. Profiling: IBSQL now has conditional compilation flags to enable query performance
272     and timing information to be written to stdout. This may be used to locate
273     performance bottlenecks.
274    
275     4. SQLParser: only call "OnChanging" event handler when value is different.
276    
277     5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
278    
279 tony 50 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
280     that BindFields is called when the query is next activated. Avoids FieldName
281     not found error.
282    
283 tony 80 7. IBUpdate: This is a new IBX component similar to TIBUpdateSQL. It is more general
284     purpose and allows the programmer to define any action they want for Update, Insert
285     or Delete. This may be complex SQL (similar to a Trigger), application specific
286     filtering of updates, or use of statements such as Grant or Revoke instead of
287     normal DML. See User Manual for more information.
288    
289 tony 47 IBX Change Log version (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
290 tony 45
291 tony 47 1. TIBEvents: Fix uninitialised variable that could result in lost events.
292 tony 45
293 tony 47 2. TIBExtract: Added support for FB3 "USAGE" privilege.
294    
295     3. TIBExtract: data formatted as Charset set "octets" is now output using
296     hexadecimal notation.
297    
298     4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
299     using a simple XML format.
300    
301     5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
302     grants to these objects.
303    
304     6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
305     dependency problems restoring complex databases.
306    
307     7. TIBXScript: This component has been restructured to allow for the processing of
308     embedded XML in INSERT statements and to support interactive sources in addition
309     to non-interactive data sources such as files.
310    
311     8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
312    
313     9. TIBXScript: ISQL compatiable Set statements are now supported:
314     SET SQL DIALECT
315     SET TERM
316     SET AUTODDL
317     SET BAIL
318     SET ECHO
319     SET COUNT
320     SET STATS
321     SET NAMES <character set>
322    
323     10. IBVersion unit added to hold current IBX Version Number information.
324    
325     11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
326     and domain definitions.
327    
328     12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
329     fully supported.
330    
331     13. TIBExtract: when a database dump includes data, the generator values are now also set.
332    
333     14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
334    
335     IBX Change Log version (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
336    
337 tony 50 See also doc/IBX4LazarusGuide.pdf for important information on
338 tony 45 upgrading to IBX2.
339    
340     1. Size property of TIBStringField is now the width in characters of the field
341     and not the byte length. This applies only to multi-byte character sets such
342     as UTF8. The original approach aligned with TStringField. However, the TStringField
343     code is not recognised as a bug and hence this change to align the behaviour.
344     The TStringField change is expected in fpc 3.2.0.
345    
346     2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
347     true (default) then Size property value saved in the lfm is ignored. Size is
348     always set from the dynamic information read from the database. It is unclear
349     why anyone would want to override this and set Size to false.
350    
351     3. ibxscript: should now handle correctly a Case..End statement within a procedure
352     block.
353    
354     4. IBDatabase: new property - CreateIfNotExists. If true and database does not
355     exist when an attempt is made to connect to it (run time only) then an attempt
356     is made to create the database.
357    
358     5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
359     has been successfully created as a result of a call to CreateDatabase or when
360     creating a database after it was found not to exist.
361    
362     6. DBControlGrid: a race condition could result in the wrong row image being
363     written to the cache. This has been avoided by a trip round the message
364     loop before rendering the row image.
365    
366     7. DBControlGrid: It is strongly recommended not to open the source DataSet for
367     a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
368     known to risk corrupt rendering of row images when the control is first
369     displayed. If necessary use "Application.QueueAsyncCall" to delay opening
370     of the dataset (see DBControlGrid examples) until the Form's Window has been created.
371    
372     8. DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
373     a TDateEdit control located on an editor panel.
374    
375     9. TIBExtract: brought up-to-date plus many bug fixes.
376    
377     10. DBControlGrid: Removed memory leak when updating rows.
378    
379     11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
380    
381 tony 43 IBX Change Log version (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
382    
383     1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
384     when target codepage is CP_NONE. This is a workaround for
385     http://bugs.freepascal.org/view.php?id=30622.
386    
387     2. DBLog option removed from TIBStatisticalService - not supported by server
388     since Firebird 1.5.
389    
390     3. ibxscript: An error is no longer generated for "on commit preserve rows" or
391     similar.
392    
393     4. IBCodePage: updated mapping between codepages and character id.
394    
395     5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
396     Firebird. Character sets with a char width of two are not UTF16.
397    
398     6. Strings received from the database are now always transliterated into UTF8
399     regardless of the database character set or connection character set. This
400     is for compatibility with the LCL.
401    
402 tony 45 IBX Change Log version (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
403 tony 41
404     1. IBBlob: Defer reading of blob until read method called. This avoids having to
405     read in an entire blob just to get the size of the blob. General performance
406     improvement when opening datasets containing blobs.
407    
408     2. Clearing a Blob now sets the corresponding field's modified flag.
409    
410     3. IBLookupCombo: When not performing auto-complete, original query sort order
411     is now used.
412    
413     4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
414     determined.
415    
416     5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
417    
418     6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
419     lazarus 1.6.0
420    
421     7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
422     compilation error.
423    
424 tony 39 IBX Change Log version (1.4-1) Tue, 17 May 2016 09:14:51 +0100
425    
426     1. No character set specified for connection: when a text blob is retrieved, the
427     character set is determined by looking up the native character set using then
428     Firebird API. Otherwise a text mode blob is assumed to have the same character
429     set as the connection.
430    
431     2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
432     for Login Dialog returing a change to the database path.
433    
434     3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
435     to be changed from that given in the TIBDatabase/TIBServer component and for the
436     entered value to be saved on a project specific basis (design time only).
437    
438     4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
439     column fieldname. If they are the same then it is acts as a look up for the KeyValue
440     Otherwise, it sets the column text to the selected ListField Value.
441    
442     5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
443     column width.
444    
445     6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
446     and a case insensitive search is requested.
447    
448     7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
449     or column ListSource.
450    
451     8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
452     unprepare) when closing and the text has not changed.
453    
454     9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
455     Less likely to cause a cursor re-use error on Windows.
456    
457     10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
458     Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
459    
460     11. TIBTreeView: Guard against nil destination on record changed
461    
462     12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
463     string type with the code page set to reflect the returned field encoding after
464     Firebird driver transliteration, if any. FPC 3.0.0 onwards only. Behaviour unchanged for
465     earlier versions.
466    
467     13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
468     will now result in transliteration to the code page specified for the Firebird driver
469     if the assigned string has a different code page. FPC 3.0.0 onwards only.
470    
471     14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
472     is ignored and the lc_ctype value, when the database is opened, is set to align with
473     the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
474     platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
475     3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
476     the GETACP is used to determine the Windows code page.
477    
478     15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
479     name used as the lc_ctype when the database was opened. Only valid while the
480     Database is connected.
481    
482     16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
483     id that corresponds to the DefaultCharSetName.
484    
485 tony 37 IBX Change Log version (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
486    
487     1. Unix: If Firebird Embedded Server shared object is loaded and a local database
488     path is given and database attach fails due to access permission issues on the
489     temp directory or security database, then the attach is retried with "localhost:"
490     prefixing the databasename. This should avoid problems when the database has to
491     be accessed by a local (e.g. classic) server and libfbembed is used.
492    
493     2. Windows: revised search order for Firebird DLL:
494     i. The Firebird Embedded Server in the application Directory.
495     ii. If the FIREBIRD environment variable is set then the directory this
496     points to is searched for the FB Client DLL and then then underlying
497     "bin" directory.
498     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
499     is used to locate the Firebird installation directory and the underlying
500     "bin" directory is searched for the FB Client DLL.
501     iv. The Default installation directories C:\Program Files\Firebird\Firebird_2_x
502     are searched for the FB Client DLL.
503     v. The PATH Environment variable is used to search for the FB Client DLL.
504     vi. Finally the PATH Environment variable is used to search for IBASE.DLL.
505    
506     3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
507     See doc/readme.scriptengine and example applications.
508    
509     4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
510     simplify the use of the embedded firebird server on both Linux and Windows platforms.
511     See dpc/readme.localdatabase and example applications.
512    
513     5. IBDynamicGrid: Reordering on column header click should now also work for
514     dynamic columns.
515    
516     6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
517     between incrementing/decrementing the lock count and signalling the event.
518    
519 tony 35 IBX Change Log version (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
520    
521 tony 37 1.3.2 was never formally released and only made available as beta copies.
522    
523 tony 35 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
524    
525     2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
526    
527     3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
528    
529     4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
530     i.e. when it is a calculated field
531    
532     5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
533     This problem was due to a race condition between recalculating row heights and
534     determining which row was selected by the mouse click. The row height calculation
535     is now deferred by an extra trip round the message loop allowing the row to
536     be always calculated on the current grid layout rather than risking it being
537     calculated on the grid layout after the expanded row has been shrunk.
538    
539     6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
540     Windows.
541    
542     7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
543     These properties allow the (Firebird) character set name for the field and the max number of bytes per character
544 tony 37 to be determined at runtime. See doc/readme.charactersets.html.
545 tony 35
546     8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
547 tony 37 TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
548 tony 35
549     9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
550     TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
551 tony 37 1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
552 tony 35
553     Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
554     from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
555     implies no truncation.
556    
557     10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
558    
559     11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
560     (avoids "Not in Edit Mode" error).
561    
562     12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
563    
564     13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
565     DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
566    
567     14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
568    
569     15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
570    
571     16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
572    
573     17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
574    
575 tony 33 IBX Change Log version (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
576 tony 31
577     1. OnCloseUp Event Handler added to TDBLookupProperties
578    
579     2. IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
580     problem with row size when exception is called.
581    
582     3. IBLookupComboEditBox: Force pending autocomplete on combobox exit.
583    
584     4. IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
585     in a TCustomComboBox and ignores return key if in a TCustomMemo
586    
587     5. IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
588     keyed in i.e. when autocomplete not performed
589    
590 tony 33 6. Cleanup of "Uses" clauses and add console mode support. IBX should now support
591     console mode applications with all LCL required functions (builtin dialogs and
592     cursor management) centralised in the IBDialogs unit. As long as "IBDialogs" is
593     not included in your project, IBX should compile and link with a console mode program.
594     See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
595     console mode application or the IDE will automatically assume that your
596     application is GUI based. Instead, you should include the ibexpressconsolemode package.
597 tony 31
598     IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
599     to use the built in dialogs and cursor management. IBDialogs is
600 tony 33 included by default if "ibexpress" is in your project source's "uses" clause.
601 tony 31 This should be the case for all projects created through the IDE. This is why
602     you do not want to add the ibexpress package to console mode applications. The
603     ibexpressconsolemode package has been created to allow console mode programs
604     to avoid adding LCL dependencies when using IBX, while still having the
605     unit search paths set up correctly.
606    
607 tony 33 Existing users should check to ensure that the "ibexpress" unit is included in
608     each project's source file (*.lpr).
609    
610 tony 31 You may find that in order for the IDE to recognise that ibexpressconsolemode
611     exists, you have to first open the package in the IDE and then close it. This
612     adds it to the most recently accessed packages list. To make it permanently
613     available, add the package name to lazarus' staticpackages.inc file.
614    
615 tony 33 Thanks to Julio Jiménez for suggesting support of console mode.
616 tony 31
617     7. SQL Parser can now accept quoted strings that include new lines
618    
619     8. IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
620     of text on start of edit. This is particularly useful when tabbing to a
621     column and then inserting text.
622    
623     9. New Examples provided for IB Services and ISQLMonitor.
624    
625     10. Fix error when writing to blob streams that recorded only the last buffer
626     write in the blob stream. In most cases, this did not cause a problem as the
627     IB Blob Stream is written in a single write. However, with the TDBImage, write
628     of a graphic type prefix was lost which caused a problem when the image could
629     not be automatically recognised.
630    
631     11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
632 tony 33 already open" errors due to random numbers used for the cursor name being identical.
633 tony 31
634     12. IBTable: corrected error that could result in an "Index out of bounds" error
635     when opening the table and the Primary Key is the last or only column in the
636     table. Thanks to Rick Hoover for the fix.
637    
638 tony 33 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
639     of "UTF-8", and update list of available database character sets. Existing
640     users should check the current lc_ctype setting in their applications.
641 tony 29
642 tony 33 IBX Change Log version (1.2-4) Sat, 09 May 2015 12:38:29 +0100
643    
644 tony 29 1. Firebird Services: avoid List Index error when opening a service with an
645     empty Params property.
646    
647     2. IBControls: Fix problem with new link mechanism introduced in 1.2.3.
648     Link now set up in Loaded method - avoids occasional failure to apply
649     SQL markup on initial open.
650    
651     3. "Employees" example performance improvements when scrolling.
652    
653     4. DBControlGrid: Correctly handle edit panel removal when panel is child control of a
654     TFrame. Force recaching of selected frame to avoid GTK race (results in a
655     random image cached).
656    
657     5. DBControlGrid: Should now react to changes in panel height at run time.
658    
659     6. IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid
660     even when further rows exist.
661    
662     7. DBControlGrid: DefaultRowHeight is no longer a published property as it should
663     always be derived from panel height and setting this property can cause confusion.
664     Note for existing projects: to avoid a missing property error at run time,
665     each form using the DBControlGrid must be opened, updated and saved in the IDE
666     in order to remove the property value from the lfm.
667    
668    
669 tony 33 IBX Change Log version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
670 tony 27
671     1. TIBStoredProc. Prepare now called by ParamByName to avoid need to always
672     call Prepare before setting parameter values.
673    
674     2. Error message on ParamByName (all cases) not found now includes name of missing parameter.
675    
676     3. Code tidyup and more robust handling of dsql information result vector.
677    
678     4. Support for centralised handling of transaction status changes. TIBTransaction
679     has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
680     and "AfterExecQuery". The first three are called after the same event is called
681     for an IBCustomDataSet descendent using the Transaction. The fourth is called
682     after a call to TIBSQL.ExecQuery, again using this transaction. These new events
683     enable monitoring of transaction status changes for a given transaction to be
684     handled in a single place. For example, when a change to the dataset occurs
685     an indicator can be set that shows the user that in order to save changes,
686     the transaction should be committed. Rather than doing this per dataset, this
687     can now be done per transaction.
688    
689     5. TDataSet.CheckBrowseMode automatically posts changes to the current row when
690     the dataset is scrolled. However, any changes to the current row are, by default,
691     discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
692     have a new property "DataSetCloseAction" that adds automatic posting of changes
693     on dataset close. If this property is set to dcDiscardChanges (default) then the
694     behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
695     then IBX will attempt to post any unsaved changes before the dataset is closed
696     (and after the BeforeClose event handler is called). The exception is when the
697     dataset is being closed as a result of a transaction rollback. In this case,
698     no action is taken and any unsaved changes are discarded. This avoids both
699     unnecessary overhead and the risk that a validation error may occur in the Post
700     raising an exception and thereby preventing a rollback.
701    
702     6. String Field sizes and Display Widths should now be correct for multi-byte character sets.
703     In earlier versions, the Display Width was set to the maximum byte width rather than the character
704     width. Display Widths are now corrected by dividing by the max byte width per character.
705     For UTF8 character sets, the byte width is four and hence the Display Width will be
706     the byte width divided by 4. The byte width of each character set is determined
707     dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
708     system table. (see also http://bugs.freepascal.org/view.php?id=27766).
709    
710     7. SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
711    
712     8. IBLookupComboEditBox: List should now always be restored to full list when the
713     control loses focus. Default Key press default interval reduced to 200ms.
714    
715     9. DBControlGrid: Ensure that selection is changed to newly appended row, even
716     when dataset rows are less than visible rows.
717    
718     10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
719     does not exist or DataSet is empty. More responsive on dataset open. New event
720     OnRestorePosition. Column sort disabled if no header row.
721    
722     11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
723     while dataset state is dsInsert. Avoids posting errors.
724    
725     12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
726     avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
727    
728     13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
729    
730     14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
731     to solve a specific problem. That is when the dataset cursor is moved (e.g. by
732     a grid mouse click and the current row is being edited or inserted. In this case, TDataset
733     always "posts" the current record regardless or whether or not it may be more appropriate
734     to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
735     "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
736     as the first action of the "Post" method and allows the handler to convert the Post
737     into a Cancel if that is the appropriate action on moving to a different row. This is
738     achieved by returning with "CancelPost" argument set to true. Note that an exception could be
739     raised here, but it may still be more appropriate to validate a post and signal
740     a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
741    
742     15. On Unix derived systems, the Firebird library name can now be given as a colon
743     separated list. Each library name on the list is tried in turn, in left to right
744     order with the first found being used as the firebird library. By default, on Linux,
745     the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
746     overidden by the FBLIB environment variable or the OnGetLibraryName function.
747    
748     Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
749     then it will still attempt to access the database via the Firebird Server and will
750     require a username and password. If only the pathname is given, then the username
751     and password should be omitted and the unix file permissions are used to grant
752     access.
753    
754 tony 33 IBX Change Log version (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
755 tony 23
756     1. A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
757     rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
758     that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
759 tony 27 corresponds to a row of the linked DataSource. Any data aware control on the
760 tony 23 replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
761    
762     2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
763 tony 25 When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
764 tony 23 takes place during database access. This may be useful when there are performance issues with
765     the change of cursor. Setting the property to false suppresses the change of cursor.
766    
767     3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
768     and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
769     Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
770     making all changes permanent immediately rather than when the transaction is explicitly
771     committed.
772    
773 tony 25 4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
774 tony 27 using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
775 tony 23
776 tony 33 IBX Change Log version (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
777 tony 25
778     Development version only.
779    
780 tony 33 IBX Change Log version (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
781 tony 21
782     1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
783     This is typically used during an "OnBeforeOpen" event handler to manipulate the
784     "Where" and "Having" clauses to implement user specified filters of arbitrary
785     complexity.
786    
787     2. A new Component Palette entry "Firebird Data Controls" is now available. This has
788     three new data aware controls dependent on IBX and which make use of the SQL Parser.
789     These are:
790    
791     - TIBLookupComboEditBox
792     - TIBDynamicGrid
793     - TIBTreeview
794    
795     TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
796     of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
797     to revise the available list and restrict it to items that are prefixed by the
798 tony 25 typed text (either case sensitive or case insensitive). Autoinsert allows a
799 tony 21 newly typed entry to be added to the list dataset and included in the available
800     list items.
801    
802     TIBDynamicGrid is a TDBGrid descendent that provides for:
803     - automatic resizing of selected columns to fill the available row length
804     - automatic positioning and sizing of a "totals" control, typically at the
805     column footer, on a per column basis.
806     - DataSet resorting on header row click, sorting the dataset by the selected column.
807     A second click on the same header cell reversed the sort order.
808     - Support for a "Panel Editor". That is on clicking the indicator column, the row
809     is automatically expanded and a panel superimposed on it. The panel can have any
810     number of child controls, typically data aware controls with the same datasource
811     as the grid allowing for editing of additional fields and more complex editors.
812     - Reselection of the same row following resorting.
813     - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
814     Its properties are specified on a per column basis and allows for one or more
815     columns to have their values selected from a list provided by a dataset.
816     Autocomplete and autoinsert are also available. The existing picklist editor
817     is unaffected by the extension.
818    
819     TIBTreeView is a data aware TCustomTreeView.
820    
821     3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
822     zero scale will no longer return an error. An Int64 will be returned instead.
823    
824     4. TIBTransaction now has events for Before and After Transaction End and a new function
825     "GetEndAction" allowing the EndAction to be accessed by these event handlers.
826    
827     5. TIBQuery can now handle correctly queries which contain the same keyword parameter
828     repeated multiple times.
829    
830     6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
831     check used to get in the way of using Stored Procedures, and "Update or Insert"
832     statements.
833    
834     7. Insert, Modify and Delete property Editors now support Query Generation from
835     Stored Procedures.
836    
837     8. Three new examples illustrate the use of the new IB Controls
838    
839    
840 tony 33 IBX Change Log version (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
841 tony 19
842     1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
843     setting performance. See "readme.field+param.names in the doc folder.(Thanks to
844     Gabor Boros for reporting this problem and for testing the improvements).
845    
846     2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
847     See readme.field+param.names in the doc folder.
848    
849     3. IBX SQL Editors will now automatically add double quotes around column names when the database
850     dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
851    
852     4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
853    
854     5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
855     actions.
856    
857     6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
858     thanks to Yuriy Kopnin for pointing this out).
859    
860     7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
861    
862     8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
863     for both fields and parameter setting.
864    
865     9. Changes to the Select SQL in an IBCustomDataset descendent should now be
866     visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
867    
868     10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
869     when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
870    
871     11. TIBTable now has a property editor for "MasterFields"
872    
873     12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
874     GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
875    
876     13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
877     of settings is unrecognised. Selecting this radio button has no effect on the settings.
878    
879    
880 tony 17 IBX Change Log version (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
881    
882     1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.
883    
884 tony 15 IBX Change Log version (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000
885    
886     1. In a TIBCustomDataset descendent, a generator now only sets the value when
887     it is null. This allows for alternative user defined setting of the generator
888    
889     Many thanks to Julio Jiménez for this fix
890    
891     2. An Error Dialog is now displayed in the Lazarus IDE if IBX cannot find the Firebird Library
892     and suggests that the user may have forgotten to install it.
893    
894 tony 13 IBX Change Log version (1.0-3) Thu, 22 Nov 2012 22:53:39 +0000
895    
896     1. Conditional compilation used to limit registration of TIntegerField to
897     Lazarus versions less than 1.1
898    
899     2. When a database connection is created, character set is now by default set
900     to UTF8 (Unix) or to the current Windows code page (Windows) if in the range
901     1250 to 1254.
902    
903    
904 tony 11 IBX Change Log version (1.0-2) Tue, 09 Oct 2012 09:10:30 +0100
905    
906     1. TBookmark change conditional compile changed to > 2.6.2 to match expected availability of change.
907    
908    
909 tony 9 IBX Change Log version (1.0-1) Sun, 05 Aug 2012 20:00:04 +0100
910 tony 7
911     1. In IBCustomDataset. Changed CurBookmark from string to TBookmark for compiler versions > 2.6.0
912     Necessary because of TBookmark type and TDataSet.Bookmark property change in fpc 2.7.1
913    
914     2. IBX now registers TIntegerField as a "No Icon" component. This may be removed if the fpc DB
915     package is changed to do this (which it should do).
916    
917     IBX Change Log version (1.0-0) Sat, 28 Apr 2012 16:43:00 +0100
918    
919     1. Add "if active then active := false" to TIBCustomDataset destructor. (Avoid error on database close).
920    
921     2. Make use of $STATIC conditional in IBSQLMonitor (Needed for FPC 2.6.0 compliance)
922    
923     3. Database Property Editor: Character Set drop down box now uses "OnChange" rather than "OnCloseUp" to react to changes
924    
925     4. Property editors should now correctly resize.
926    
927     5. In IBDatabaseEdit.TestClick, the LoginPrompt is now set to the state of the LoginPrompt Checkbox
928     (restored original functionality)
929    
930     6. Under OSX, if IBX fails to load libfbclient.dylib, it will now try and load the firebird
931     library using the absolute path /Library/Frameworks/Firebird.framework/Firebird.