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1 < IBX Change Log  version                   (2.0.3) tba, 24 Feb 2017 12:17:53 +0000
1 > FBINTF Change Log  version          (1.1-6 Build 12214) Fri, 17 Jul 2020 23:10:11 +0100
2  
3 < 1. IBCustomDataset: Minor change of PChar to PByte for compatibility with fbintf
4 <   changes.
3 > 1. GetImplementationVersion now correctly returns '3.0' for Firebird 3 API
4 >   with a Firebrid 3 client library.
5  
6 < 2. IBCustomDataset: Fixed use of incorrect datasize in TIBStringField.SetAsString.
7 <   Bug could result in truncated multi-byte character set values.
6 > 2. Linux Only: FIREBIRD environment variable is now checked when loading the client library.
7 >    If a client library path is not explicitly provided and the FIREBIRD environment
8 >    variable is set then the directory given by this variable and any 'lib' subdirectory
9 >    are searched for the Firebird client library. Only if none is found, is the default
10 >    client library used.
11  
12 < 3. Changes consequential on moving fbintf character set utility functions from
10 <   IFirebirdAPI to IAttachment.
12 > 3.  IUtil.FormatStatus now used to format error messages when using new API
13  
14 < IBX Change Log  version                   (2.0-2) Fri, 24 Feb 2017 12:17:53 +0000
14 > 4.  Fixed Array SDL: array_desc_scale now correctly encoded as a signed integer.
15  
16 < 1. TIBDatabase.CreateDatabase: extract full DB Name from SQL using reg ex in order to
17 <   include remote system name.
16 > 5.  SQL_TEXT handling changed. When the value of an SQL_TEXT (i.e. fixed width string) column is
17 >    returned using GetAsString and the string codepage is UTF8, the string is truncated so
18 >    that the byte length corresponds to the number of characters specified for the column.
19 >    SQL_TEXT strings are no longer automatically trimmed to remove all trailing white space. This is
20 >    correct behaviour but may affect some implementations that relied upon automatic
21 >    trimming of trailing white space.
22  
23 < 2. TIBExtract: No longer include comment header and COMMIT statement for empty
24 <   tables when data included in output.
23 > 6.  New IFirebirdAPI Calls:
24 >      function GetClientMajor: integer;
25 >      function GetClientMinor: integer;
26  
20 3. Profiling: IBSQL now has conditional compilation flags to enable query performance
21   and timing information to be written to stdout. This may be used to locate
22   performance bottlenecks.
27  
28 < 4. SQLParser: only call "OnChanging" event handler when value is different.
28 > FBINTF Change Log  version          (1.1-5 Build 12044) Fri, 17 Apr 2020 12:30:01 +0100
29  
30 < 5. IBDynamicGrid: Update handling of navigation keys for a TDateEdit
30 > 1. ISQLParams.GetHasCaseSensitiveParams added. Returns true if param names are
31 >   case sensitive
32  
33 < 6. IBCustomDataset: Set internalunprepared flag when transaction ends. This ensures
29 <   that BindFields is called when the query is next activated. Avoids FieldName
30 <   not found error.
33 > 2. Single line SQL comments starting with '--' are now recognised by SQL Parser.
34  
35 < IBX Change Log  version                  (2.0-1) Mon, 09 Jan 2017 15:31:49 +0000
35 > 3. New API Calls:
36 >        IColumnMetaData.GetStatement
37 >        IColumnMetaData.GetTransaction
38 >        ISQLData.GetStrLength
39 >        IResults.GetStatement
40 >        IAttachment.OpenBlob (using Blob metadata)
41 >        IAttachment.OpenArray (using array metadata)
42  
43 < 1. TIBEvents: Fix uninitialised variable that could result in lost events.
43 > 4. FBMessages: removal of unused messages
44  
45 < 2. TIBExtract: Added support for FB3 "USAGE" privilege.
45 > 5. TFBArray.Create (2nd case): ensure that FFirebirdClientAPI is correctly set.
46  
47 < 3. TIBExtract: data formatted as Charset set "octets" is now output using
39 <   hexadecimal notation.
47 > 6. TIBSQLStatementType: SQLSavePoint added to end of enumeration.
48  
49 < 4. TIBExtract: Binary Blobs and array data can now be embedded in INSERT statements
42 <   using a simple XML format.
49 > FBINTF Change Log  version          (1.1-4 Build 11515)  Fri, 28 Dec 2018 10:04:19 +0000
50  
51 < 5. TIBExtract: extract of individual Triggers and Stored Procedures can now include
52 <   grants to these objects.
51 > 1. Fix a problem with the SQL parameter parser that failed to recognise parameters
52 >   where the second character of the parameter name is a numeric.
53  
54 < 6. TIBExtract: Stored Procedures and Views output in dependency order to avoid
55 <   dependency problems restoring complex databases.
54 > 2. New method for IAttachment: procedure getFBVersion(version: TStrings);
55 >   This returns the isc_version connection information as one or more lines.
56 >   This is the same information as returned by isql with the -z option.
57  
58 < 7. TIBXScript: This component has been restructured to allow for the processing of
59 <   embedded XML in INSERT statements and to support interactive sources in addition
60 <   to non-interactive data sources such as files.
58 > 3. If -dFIREBIRD3APIONLY is used as a compiler option then the legacy Firebird API
59 >   is no longer compiled in. Likewise, if -dLEGACYFIREBIRDAPIONLY is used as a
60 >   compiler option then the Firebird 3 API is no longer compiled in.
61  
62 < 8. TIBXScript: CREATE DATABASE, DROP DATABASE, CONNECT statements are now supported.
62 > 4. IColumnMetaData: new method.
63  
64 < 9. TIBXScript: ISQL compatiable Set statements are now supported:
65 <   SET SQL DIALECT
66 <   SET TERM
59 <   SET AUTODDL
60 <   SET BAIL
61 <   SET ECHO
62 <   SET COUNT
63 <   SET STATS
64 <   SET NAMES <character set>
64 >   TIBDateTimeFormats = (dfTimestamp, {SQL TIMESTAMP}
65 >                        dfDateTime,   {SQL DATETIME}
66 >                        dfTime);
67  
68 < 10. IBVersion unit added to hold current IBX Version Number information.
68 >   function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
69  
70 < 11. TIBExtract: Use character rather than byte length for VarChar procedure arguments.,
71 <    and domain definitions.
70 >   This returns the max. number of characters returned by the "AsString" method
71 >   when the SQL type of the column is respectively TIMESTAMP, DATETIME or TIME.
72  
73 < 12. TIBExtract: Triggers now use SQL2003 syntax and database and transaction triggers
74 <    fully supported.
73 > 5. Additional argument for IAttachment.PrepareWithNamedParameters -
74 >     CaseSensitiveParams: boolean = false
75  
76 < 13. TIBExtract: when a database dump includes data, the generator values are now also set.
76 >   If this argument is set to true then SQL parameter names are assumed to be case
77 >   sensitive and must be referenced (using ISQLParams.ByName) using the case
78 >   sensitive name.
79  
80 < 14: IBSQLEdit: Unit LCLPlatformDef added to uses clauses for lazarus 1.7 and later.
80 > 6. Bug fix: when setting a query parameter, it is now possible, when the parameter
81 >   is of type VarChar or Char to set the parameter to a numeric value (e.g. using
82 >   .AsCurrency) and then subsequently to update the value to a non-numeric string
83 >   using .AsString.
84  
78 IBX Change Log  version     (2.0-0) Tue, 06 Dec 2016 10:33:44 +0000
85  
80 See also doc/IBX4LazarusGuide.pdf for important information on
81 upgrading to IBX2.
86  
87 < 1. Size property of TIBStringField is now the width in characters of the field
84 <   and not the byte length. This applies only to multi-byte character sets such
85 <   as UTF8. The original approach aligned with TStringField. However, the TStringField
86 <   code is not recognised as a bug and hence this change to align the behaviour.
87 <   The TStringField change is expected in fpc 3.2.0.
87 > FBINTF Change Log  version                  (1.1-3) Wed, 05 Dec 2018 14:28:10 +0000
88  
89 < 2. A new property AutoFieldSize: boolean has been added to TIBStringField. When
90 <   true (default) then Size property value saved in the lfm is ignored. Size is
91 <   always set from the dynamic information read from the database. It is unclear
92 <   why anyone would want to override this and set Size to false.
89 > 1. DARWIN only syntax error: fix missing semi-colon in TFBClientAPI.LoadIBLibrary
90  
91 < 3. ibxscript: should now handle correctly a Case..End statement within a procedure
92 <   block.
91 > 2. Restrict IsMultiThread check to Unix only for compatibility with
92 >   https://bugs.freepascal.org/view.php?id=30535
93  
94 < 4. IBDatabase: new property - CreateIfNotExists. If true and database does not
95 <   exist when an attempt is made to connect to it (run time only) then an attempt
96 <   is made to create the database.
94 > 3. New SQL Tokeniser added to IBUtils. This is used to pre-process SQL with
95 >   named parameters and is intended to avoid problems with (e.g.) Execute Block
96 >   and processing internal parameters as statement parameters.
97  
98 < 5. IBDatabase: new event - OnCreateDatabase. This event is called after a database
99 <   has been successfully created as a result of a call to CreateDatabase or when
103 <   creating a database after it was found not to exist.
98 > 4. New interface IFirebirdLibrary provides access to the underlying firebird DLL
99 >   or shared object. Available via a new member (GetFBLibrary) of IFirebirdAPI.
100  
101 < 6.  DBControlGrid: a race condition could result in the wrong row image being
106 <    written to the cache. This has been avoided by a trip round the message
107 <    loop before rendering the row image.
101 > 5. New function added to IB.pas
102  
103 < 7.  DBControlGrid: It is strongly recommended not to open the source DataSet for
110 <    a DBControlGrid during a Form's "OnShow" event handler. Under GTK2 this is
111 <    known to risk corrupt rendering of row images when the control is first
112 <    displayed. If necessary use "Application.QueueAsyncCall" to delay opening
113 <    of the dataset (see DBControlGrid examples) until the Form's Window has been created.
103 >   function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary
104  
105 < 8.  DBControlGrid & IBDynamicGrid: Navigation keys should now work correctly with
106 <    a TDateEdit control located on an editor panel.
105 >   This allows a Firebird Library to be loaded from an explicit path. use the
106 >   IFirebirdLibrary.GetFirebirdAPI member function to get the Firebird API using
107 >   the library. It is possible to load Firebird libraries from different locations
108 >   simultaneously, each with a distinct IFirebirdAPI.
109  
110 < 9.  TIBExtract: brought up-to-date plus many bug fixes.
110 > FBINTF Change Log  version               (1.1-2) Mon, 16 Apr 2018 09:30:32 +0100
111  
112 < 10. DBControlGrid: Removed memory leak when updating rows.
112 > 1. Firebird.pas: {$OBJECTCHECKS OFF} added to file to avoid runtime error when
113 >   program compiled with -CR command line switch.
114  
115 < 11. TIBCMLocalDBSupport: fixed invalid free on upgrade.
115 > 2. IServiceManager additions (informational):
116 >    function getProtocol: TProtocol;
117 >    function getPortNo: AnsiString;
118  
119 < IBX Change Log  version                                           (1.4-3) Thu, 22 Sep 2016 18:10:15 +0100
119 > 3. IServiceManager improved error handling. Interfaces changed:
120 >    function Start(Request: ISRB; RaiseExceptionOnError: boolean=true): boolean;
121 >    function Query(SQPB: ISQPB; Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
122 >    function Query(Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
123  
124 < 1. IBCustomDataset: When calling SetCodePage, no longer request transliteration
125 <   when target codepage is CP_NONE. This is a workaround for
128 <   http://bugs.freepascal.org/view.php?id=30622.
124 > 4. IAttachment addition (informational)
125 >    function GetSecurityDatabase: AnsiString;
126  
127 < 2. DBLog option removed from TIBStatisticalService - not supported by server
128 <   since Firebird 1.5.
127 > 5. IStatement: performance counters now updated after each Fetch. GetPerfStatistics
128 >   thus now returns accumulated stats for a select statement from opening a cursor
129 >   up to the last fetch.
130  
131 < 3. ibxscript: An error is no longer generated for "on commit preserve rows" or
132 <   similar.
131 > 6. DARWIN: uloadlibrary.inc bug fix. Many thanks to Luigi Naimi for correcting
132 >   the problem.
133  
134 < 4. IBCodePage: updated mapping between codepages and character id.
134 > 7. Type change: "TPerfCounters = array[TPerfStats] of Int64". Note "Int64"
135 >   replaces deprecated "comp" type.
136  
137 < 5. ftWideString and ftWideMemo withdrawn. There is no UTF16 character set in
139 <   Firebird. Character sets with a char width of two are not UTF16.
137 > 10. Testsuite Test10 updated to include thread synchronisation for event reporting.
138  
139 < 6. Strings received from the database are now always transliterated into UTF8
142 <   regardless of the database character set or connection character set. This
143 <   is for compatibility with the LCL.
139 > 11. URL Connection Strings: inet4 and inet6 now recognised.
140  
141 < IBX Change Log  version  (1.4-2) Thu, 22 Sep 2016 15:25:27 +0100
141 > 12. IBUtils: Parse and Make Connect String now recognise URL style loopback syntax.
142  
143 < 1. IBBlob: Defer reading of blob until read method called. This avoids having to
148 <   read in an entire blob just to get the size of the blob. General performance
149 <   improvement when opening datasets containing blobs.
143 > 13. IAttachment.CharSetName2CharSetID is now performed case insensitive.
144  
151 2. Clearing a  Blob now sets the corresponding field's modified flag.
145  
146 < 3. IBLookupCombo: When not performing auto-complete, original query sort order
154 <   is now used.
146 > FBINTF Change Log  version (1.1-1) Tue, 27 Feb 2018 16:51:16 +0000
147  
148 < 4. IBDynamicGrid: Add OnSelectEditor event. Allows editor panel to be dynamically
157 <   determined.
148 > 1. IBUtils.QuoteIdentifierIfNeeded: Add check for space character.
149  
150 < 5. IBDynamicGrid: Recompute column widths after dataset closed and re-opened.
150 > 2. IAttachment: add two new methods
151 >     function HasDefaultCharSet: boolean;
152 >     function GetDefaultCharSetID: integer;
153  
154 < 6. IBLookupCombo: LazUTF8 added to uses clause to avoid compilation problems post
155 <   lazarus 1.6.0
154 >   These return, respectively, true if a connection default character set was
155 >   specified and the character set id of the connection default character set.
156 >   The DefaultCharSetID is cached when the connection is opened and hence does not
157 >   require a database lookup.
158  
159 < 7. IBControls. Removed "runtime" from list of paths to avoid "multiple packages"
165 <   compilation error.
159 > 3. Avoid exception when a text blob is a stored procedure parameter.
160  
161 < IBX Change Log  version                                 (1.4-1) Tue, 17 May 2016 09:14:51 +0100
161 > 4. Update test suite to include a test for a stored proc returning a text blob.
162  
163 < 1. No character set specified for connection: when a text blob is retrieved, the
164 <  character set is determined by looking up the native character set using then
165 <  Firebird API. Otherwise a text mode blob is assumed to have the same character
166 <  set as the connection.
163 > 5. IAttachment: add
164 >      function GetRemoteProtocol: AnsiString;
165 >      function GetODSMajorVersion: integer;
166 >      function GetODSMinorVersion: integer;
167 >      function GetAuthenticationMethod: AnsiString;
168  
169 < 2. TIBGUIInterface: this is an internal interface. Minor type changes to allow
170 <   for Login Dialog returing a change to the database path.
169 >   These results are cached when the connection is opened and hence do not
170 >   require a database lookup.
171  
172 < 3. Design Time Database and Server login Dialogs now allow the Database Name/Server Name
173 <   to be changed from that given in the TIBDatabase/TIBServer component and for the
179 <   entered value to be saved on a project specific basis (design time only).
172 > 6. IAttachment: add "function GetConnectString: AnsiString;" This returns the
173 >   connect string used to create/connect to the database.
174  
175 < 4. IBDynamicGrid: TDBLookupCellEditor now compares its DataFieldName with the
176 <   column fieldname. If they are the same then it is acts as a look up for the KeyValue
177 <   Otherwise, it sets the column text to the selected ListField Value.
175 > 7. IAttachment: Create Database using SQL statement. The username and password
176 >   are now extracted and used to populate a DPB made available via IAttachment.getDPB.
177 >   It is now possible to use IAttachment disconnect/connect to reconnect to
178 >   a database for which the initial connection was established by a create
179 >   database sql statement. Available in FPC only.
180  
181 < 5. IBDynamicGrid: Only visible columns are now taken into account When recalculating
186 <   column width.
181 > 8. Update Test 1 to test 5, 6 and 7 above.
182  
183 < 6. IBLookupComboEditBox: Fix error with autocomplete query when a RelationName is given
189 <   and a case insensitive search is requested.
183 > 9. IBUtils code tidy up.
184  
185 < 7. IBDynamicGrid: No longer ignores notifications removing Column Totals controls
186 <   or column ListSource.
185 > 10. Parameter Block interfaces "find" method. As documented, this should have
186 >   returned a nil interface when the item could not be found. Instead, an empty
187 >   interface item was returned. "Find" now works as documented and will return
188 >   a nil interface if the item cannot be found.
189  
190 < 8. IBQuery: no longer performs unnecessary refresh of SQL Text (and hence avoids an
195 <   unprepare) when closing and the text has not changed.
190 > 11. DBInformation: support added for isc_info_active_tran_count and isc_info_creation_date.
191  
192 < 9. IBSQL: Base the cursor name on a GUID instead of a hexstr version of the class pointer.
193 <   Less likely to cause a cursor re-use error on Windows.
192 > 12. DBInformation: New interfaces: IDIRB and IDIRBItem added to support DB Information
193 >    requests with additional parameters. This is to enable support for fb_info_page_contents
194 >    (return of page contents). Response to fb_info_page_contents returned as
195 >    a string with code page CP_NONE.
196  
197 < 10.SV5IPC: include workaround for OSX. FPC 3.0.0 has broken ipc module for darwin.
198 <   Expected to be fixed in 3.0.2. Hence workaround only applies to 3.0.0.
197 > 13. DBInformation: Support for fb_info_pages_used and fb_info_pages_free added, plus
198 >    test suite updated.
199  
200 < 11. TIBTreeView: Guard against nil destination on record changed
200 > 14. DBInformation: Support for fb_info_crypt_key (Firebird 3.0.3 onwards) added as
201 >    a string type, and fb_info_conn_flags (Firebird 3.0.3 onwards) added as an integer type.
202  
203 < 12. AnsiString Code page support: TIBStringField.AsString and TIBMemoField.AsString now return a
204 <    string type with the code page set to reflect the returned field encoding after
205 <    Firebird driver transliteration, if any.  FPC 3.0.0 onwards only. Behaviour unchanged for
208 <    earlier versions.
203 > 15. Service Manager: List of protocols supported expanded to include inet, wnet and xnet.
204 >    An overloaded version of IIFirebirdAPI.GetServiceManager also allows a non
205 >    default connection port to be specified.
206  
207 < 13. AnsiString Code page support: Assigning to TIBStringField.AsString and TIBMemoField.AsString
211 <    will now result in transliteration to the code page specified for the Firebird driver
212 <    if the assigned string has a different code page. FPC 3.0.0 onwards only.
207 > FBINTF Change Log  version                             (1.1-0) Sun, 07 Jan 2018 15:20:02 +0000
208  
209 < 14. TIBDatabase: new property UseDefaultSystemCodePage. When set any lc_ctype parameter
210 <    is ignored and the lc_ctype value, when the database is opened, is set to align with
216 <    the DefaultSystemCodePage (FPC 3.0.0 onwards). Normally, this is what you want and should ensure
217 <    platform independence. Note: this applies to FPC 3.0.0 and earlier versions. Pre FPC
218 <    3.0.0, when this property is true, the lc_ctype is UTF8 except under windows when
219 <    the GETACP is used to determine the Windows code page.
209 > 1. Fix issues with setting SQL Param values using SetAsString with Numeric types.
210 >   Scale is no longer ignored.
211  
212 < 15. TIBDatabase: new property DefaultCharSetName. This is the Firebird character set
213 <    name used as the lc_ctype when the database was opened. Only valid while the
214 <    Database is connected.
212 > 2. Fix issues with setting SQL Param values using SetAsString with Date values
213 >   not in locale format but which are recognised by Firebird. Date values that
214 >   cannot be converted to a string using Pascal library are now passed through
215 >   to Firebird as Text Strings.
216  
217 < 16. TIBDatabase: new property DefaultCodePage (FPC >=3.0.0 only). This is the codepage
218 <    id that corresponds to the DefaultCharSetName.
217 > 3. Lookup character set name by codepage amended to ensure that CP_UTF8 returns
218 >   UTF8 and not UNICODE_FSS.
219  
220 < IBX Change Log  version                          (1.4-0) Mon, 15 Feb 2016 14:44:24 +0000
220 > 4. Charset ID problem. When using Firebird 3, with no default database character set
221 >   and a column has a non-default collation specified, an incorrect character set
222 >   id was being reported that could result in a 'division by zero' error when
223 >   used by IBX. This has now been fixed.
224  
225 < 1. Unix: If Firebird Embedded Server shared object is loaded and a local database
226 <   path is given and database attach fails due to access permission issues on the
227 <   temp directory or security database, then the attach is retried with "localhost:"
228 <   prefixing the databasename. This should avoid problems when the database has to
234 <   be accessed by a local (e.g. classic) server and libfbembed is used.
225 > 5. Move GetCharsetName, CharSetID2CodePage, CodePage2CharSetID, CharSetName2CharSetID,
226 >   CharSetWidth from IFirebirdAPI to IAttachment. This is a better data model as
227 >   the character sets supported can be updated on a per database basis. That is
228 >   it is possible to add a (Firebird) user defined character set to a database.
229  
230 < 2. Windows: revised search order for Firebird DLL:
231 <     i.   The Firebird Embedded Server in the application Directory.
238 <     ii.  If the FIREBIRD environment variable is set then the directory this
239 <          points to is searched for the FB Client DLL and then then underlying
240 <          "bin" directory.
241 <     iii. Registry Key HKEY_LOCAL_MACHINE\SOFTWARE\Firebird Project\Firebird Server\Instances
242 <          is used to locate the Firebird installation directory and the underlying
243 <          "bin" directory is searched for the FB Client DLL.
244 <     iv.  The Default installation directories C:\Program Files\Firebird\Firebird_2_x
245 <          are searched for the FB Client DLL.
246 <     v.   The PATH Environment variable is used to search for the FB Client DLL.
247 <     vi.  Finally the  PATH Environment variable is used to search for IBASE.DLL.
230 > 6. Add RegisterCharSet to IAttachment. This is used to register a user defined character
231 >   set supported by Firebird with the API.
232  
233 < 3. New Component: TIBXScript. This is an ISQL compatible SQL script execution engine.
234 <   See doc/readme.scriptengine and example applications.
233 > 7. Add missing isc_info_db_read_only to list of decoded Database Information items
234 >   in FBOutputBlock.pas and update test suite to include this item.
235  
236 < 4. New Component: TIBlocalDBSupport. This is a TIBDatabase support component intended to
253 <   simplify the use of the embedded firebird server on both Linux and Windows platforms.
254 <   See dpc/readme.localdatabase and example applications.
236 > 8. FB30Client: avoid always using "StartMultiple" when only a single database attachment.
237  
238 < 5. IBDynamicGrid: Reordering on column header click should now also work for
239 <   dynamic columns.
238 > 9. Loading Windows fbclient.dll: when using the FIREBIRD variable to locate the client
239 >   library or finding it by disk location, the PATH environment variable is now also set to
240 >   include the FIREBIRD directory. This is to ensure that the correct dlls in the
241 >   firebird client library dependencies are loaded.
242  
243 < 6. ISQLMonitor: (Windows only). Mutex added to TMultilockGate to avoid race condition
260 <   between incrementing/decrementing the lock count and signalling the event.
243 > 10. Testsuite: Ensure consistent UTF-8 output on Windows console.
244  
245 < IBX Change Log  version           (1.3-2) Tue, 26 Jan 2016 14:39:54 +0000
245 > 11. Testsuite: Update Windows script to include FPC 3.0.4 in search path.
246  
247 < 1.3.2 was never formally released and only made available as beta copies.
247 > 12. FB30Statement: Protect call to "Move" and avoid calling with a nil pointer
248  
249 < 1. DBControlGrid,IBDynamicGrid: Ignore down arrow and up arrow in TCustomMemo
249 > 13. FB30Statement: A check has been added to ensure that all SQL Parameters
250 >    have been given a value (including NULL). Previously, failing to set the
251 >    value of an SQL Parameter could give rise to unpredictable results or
252 >    an SQLDA error.
253  
254 < 2. IBDynamicGrid: Now deals correctly with a single column grid which has no indicator and autosize column
254 > 14. FB30Statement/FB25Statement: Set SQLParam "modified" when string value set.
255  
256 < 3. IBLookupComboEditBox: reset timer on each key press - avoids timer going off too early
256 > 15. FBAttachment: Avoid string reference count error when processing an Ansistring
257 >    parameter in an array of const passed to IAttachment.OpenCursor, etc.
258  
259 < 4. IBDynamicGrid: Call event OnUpdateSortOrder even when aliasname not found in dataset
260 <   i.e. when it is a calculated field
259 > 16. FBAttachment: Allow for WideString and UnicodeString parameters in an array
260 >    of const passed to IAttachment.OpenCursor, etc.
261  
275 5. IBDynamicGrid: Fix problem selecting a different row when expanded row at end of grid.
276   This problem was due to a race condition between recalculating row heights and
277   determining which row was selected by the mouse click. The row height calculation
278   is now deferred by an extra trip round the message loop allowing the row to
279   be always calculated on the current grid layout rather than risking it being
280   calculated on the grid layout after the expanded row has been shrunk.
262  
263 < 6. IBLookupComboEditBox: avoid race condition between cm_killfocus and cm_exit on
283 <   Windows.
263 > FBINTF Change Log  version             (1.0-2) Sat, 04 Mar 2017 14:43:56 +0000
264  
265 < 7. TIBStringField: Now has two new public properties: CharacterSetName: string and CharacterSetSize: integer;
286 <   These properties allow the (Firebird) character set name for the field and the max number of bytes per character
287 <   to be determined at runtime. See doc/readme.charactersets.html.
265 > 1. Change syntax to Mode Delphi
266  
267 < 8. TIBWideStringField: This is a new field type with the same additional public properties as above and subclassed from
268 <   TWideStringField. This field type is used with the character size reported by Firebird is two. See doc/readme.charactersets.html.
267 > 2. Change all uses of string type to explicit AnsiString in order to ensure
268 >   compatibility between Delphi and FPC.
269  
270 < 9. TIBMemoField and TIBWideMemoField: new field types with the same additional public properties as above and subclassed from
271 <   TMemoField and TWideMemoField respectively. These field types are used with Blob subtype 1 and a characterset size of
294 <   1, 3 or 4 (TIBMemoField) or 2 (TIBWideMemoField). See doc/readme.charactersets.html.
270 > 3. Various syntax changes to ensure Delphi and FPC compilation including GUIDs
271 >   defined for each interface.
272  
273 <   Both also have a new published property "DisplayTextAsClassName". If false (default) the displaytext is generated
297 <   from the blob text by truncating the string to the displaywidth (in characters not bytes). A displaywidth of zero
298 <   implies no truncation.
273 > 4. Generics syntax variations for Delphi added
274  
275 < 10. IBLookupComboEditBox: Force autocomplete when EditingDone called and timer active.
275 > 5. PChar replaced with PByte expect where an actual string is being referenced,
276 >   where PAnsiChar is used instead.
277  
278 < 11. IBDynamicGrid: Call DataSet.Append when entering edit mode and dataset empty and not in insert state
303 <   (avoids "Not in Edit Mode" error).
278 > 6. Review of type definitions in IBExternals to ensure Delphi compatibility
279  
280 < 12. IBDynamicGrid: Correctly resize grid when one column width plus indicator.
280 > 7. Testsuite updated for Delphi
281  
282 < 13. IBDynamicGrid: Ensure Editor Panel has focus when shown - avoids Windows API calling
308 <    DBGrid.DoExit on subsequent mouse click (e.g. on child control such as a tabbed page control.
282 > FBINTF Change Log  version            (1.0-1) Fri, 24 Feb 2017 12:17:57 +0000
283  
284 < 14. IBDynamicGrid: ignore up, down tab and return when editorpanel open and focus in a TCustomGrid descendent.
284 > 1. Limit maximum Blob segment read/write to MaxuShort. Avoids data loss with
285 >   large blobs and the FB3 API.
286  
287 < 15. DBControlGrid: Stop flashing grid when dataset closed and then re-opened while DisabledControls
287 > 2. Update Event Handling algorithm to avoid looping due to recreation of the
288 >   event block.
289  
290 < 16. IBQuery: Bug fixed that prevented SQL being set programmatically once the Parser had been invoked.
290 > 3. Avoid invalid XSQLDA error when the only parameter is updated to null
291  
292 < 17. IBCustomDataSet: On close, parser is now freed and Select SQL reverts to value before DataSet Opened.
292 > 4. Array Handling: fix problem with text arrays with character set none. When the
293 >   DB connection has a default character set (e.g. UTF8), an error is raised by
294 >   Firebird if the space allocated is not enough to allow for transliteration, even
295 >   though it is not required for character set none.
296  
297 < IBX Change Log  version        (1.3-1) Sat, 18 Jul 2015 13:30:50 +0100
297 > 5. IBUtils: List of reserved words brought up-to-date
298  
299 < 1.   OnCloseUp Event Handler added to TDBLookupProperties
299 > 6. Add ISQL style performance statistics collection to IStatement
300  
301 < 2.   IBDynamicGrid: Call to OnEditorPanelHide is now last editor hide action - avoids
302 <     problem with row size when exception is called.
301 > 7. Add IFirebirdAPI.CreateDatabase variant to allow execution of user provided
302 >   CREATE DATABASE statement.
303  
304 < 3.   IBLookupComboEditBox: Force pending autocomplete on combobox exit.
304 > 8. Update SQL Statement parsing to allow for Array Dimensions. That is so that the ':' in
305 >   an array dimension is not mistaken for a named parameter prefix.
306  
307 < 4.   IBDynamicGrid and DBControlGrid: Keyhandler now ignores up, down, escape and return keys if
308 <     in a TCustomComboBox and ignores return key if in a TCustomMemo
307 > 9. Trim function no longer applied to result of GetAsString for SQL_TEXT
308 >   when Character set is octets. Avoids loss of non printable characters at start of string.
309  
310 < 5.   IBLookupComboEditBox: Ensure that KeyValue is set correctly when full text
311 <     keyed in i.e. when autocomplete not performed
310 > 10. Add function GetPerfStatistics to IStatement. This returns ISQL like performance
311 >    statistics for the last action. Requires use of procedure IStatement.EnableStatistics
312 >    to enable stats gathering.
313  
314 < 6.   Cleanup of "Uses" clauses and add console mode support. IBX should now support
334 <     console mode applications with all LCL required functions (builtin dialogs and
335 <     cursor management) centralised in the  IBDialogs unit. As long as "IBDialogs" is
336 <     not included in your project, IBX should compile and link with a console mode program.
337 <     See consolemode example and its "readme"for further guidence. DO NOT add the ibexpress package to a
338 <     console mode application or the IDE will automatically assume that your
339 <     application is GUI based. Instead, you should include the ibexpressconsolemode package.
314 > 11. API Version information added as constants to IB.pas
315  
316 <     IMPORTANT NOTE: IBDialogs must be included in GUI applications in order
342 <     to use the built in dialogs and cursor management. IBDialogs is
343 <     included by default if "ibexpress" is in your project source's "uses" clause.
344 <     This should be the case for all projects created through the IDE. This is why
345 <     you do not want to add the ibexpress package to console mode applications. The
346 <     ibexpressconsolemode package has been created to allow console mode programs
347 <     to avoid adding LCL dependencies when using IBX, while still having the
348 <     unit search paths set up correctly.
316 > 12. BlobMetaData character set id should now be the same as that given by IColumnMetaData.GetCharSetID
317  
318 <     Existing users should check to ensure that the "ibexpress" unit is included in
351 <     each project's source file (*.lpr).
318 > 13. Firebird Character set "NONE" now interpreted as codepage CP_ACP.
319  
320 <     You may find that in order for the IDE to recognise that ibexpressconsolemode
354 <     exists, you have to first open the package in the IDE and then close it. This
355 <     adds it to the most recently accessed packages list. To make it permanently
356 <     available, add the package name to lazarus' staticpackages.inc file.
320 > FBINTF Change Log  version                                      (1.0-0) Tue, 06 Dec 2016 10:33:47 +0000
321  
322 <         Thanks to Julio Jiménez for suggesting support of console mode.
322 > 1. Initial Release
323  
360 7.   SQL Parser can now accept quoted strings that include new lines
361
362 8.   IBDynamicGrid: Lookup Cell Editor - the cursor is now positioned at end
363     of text on start of edit. This is particularly useful when tabbing to a
364     column and then inserting text.
365
366 9.   New Examples provided for IB Services and ISQLMonitor.
367
368 10. Fix error when writing to blob streams that recorded only the last buffer
369    write in the blob stream. In most cases, this did not cause a problem as the
370    IB Blob Stream is written in a single write. However, with the TDBImage, write
371    of a graphic type prefix was lost which caused a problem when the image could
372        not be automatically recognised.
373
374 11. Improve generation of random cursor names in TIBSQL - avoid risk of "cursor
375    already open" errors due to random numbers used for the cursor name being identical.
376
377 12. IBTable: corrected error that could result in an "Index out of bounds" error
378    when opening the table and the Primary Key is the last or only column in the
379    table. Thanks to Rick Hoover for the fix.
380
381 13. Fix TIBDatabase initialisation of lc_ctype under unix. Set to "UTF8" instead
382    of "UTF-8", and update list of available database character sets. Existing
383    users should check the current lc_ctype setting in their applications.
384
385 IBX Change Log  version  (1.2-4) Sat, 09 May 2015 12:38:29 +0100
386
387 1.  Firebird Services: avoid List Index error when opening a service with an
388    empty Params property.
389
390 2.  IBControls: Fix problem with new link mechanism introduced in 1.2.3.
391    Link now set up in Loaded method - avoids occasional failure to apply
392    SQL markup on initial open.
393
394 3.  "Employees" example performance improvements when scrolling.
395
396 4.  DBControlGrid: Correctly handle edit panel removal when panel is child control of a
397    TFrame. Force recaching of selected frame to avoid GTK race (results in a
398    random image cached).
399
400 5.  DBControlGrid: Should now react to changes in panel height at run time.
401
402 6.  IBDynamicGrid: Redraws rows below on panel editor hide - avoids blank space at end of grid  
403    even when further rows exist.
404
405 7.  DBControlGrid: DefaultRowHeight is no longer a published property as it should
406    always be derived from panel height and setting this property can cause confusion.
407    Note for existing projects: to avoid a missing property error at run time,
408    each form using the DBControlGrid must be opened, updated and saved in the IDE
409    in order to remove the property value from the lfm.
410
411
412 IBX Change Log  version (1.2-3) Tue, 14 Apr 2015 14:11:17 +0100
413
414 1.  TIBStoredProc. Prepare now called by ParamByName to avoid need to always
415    call Prepare before setting parameter values.
416
417 2.  Error message on ParamByName (all cases) not found now includes name of missing parameter.
418
419 3.  Code tidyup and more robust handling of dsql information result vector.
420
421 4.  Support for centralised handling of transaction status changes. TIBTransaction
422    has been given additional events "AfterEdit", "AfterInsert", "AfterDelete", "AfterPost"
423    and "AfterExecQuery". The first three are called after the same event is called
424    for an IBCustomDataSet descendent using the Transaction. The fourth is called
425    after a call to TIBSQL.ExecQuery, again using this transaction. These new events
426    enable monitoring of transaction status changes for a given transaction to be
427    handled in a single place. For example, when a change to the dataset occurs
428    an indicator can be set that shows the user that in order to save changes,
429    the transaction should be committed.  Rather than doing this per dataset, this
430    can now be done per transaction.
431
432 5.  TDataSet.CheckBrowseMode automatically posts changes to the current row when
433    the dataset is scrolled. However, any changes to the current row are, by default,
434    discarded when the dataset is closed. TIBDataSet, TIBQuery and TIBTable now
435    have a new property "DataSetCloseAction" that adds automatic posting of changes
436    on dataset close. If this property is set to dcDiscardChanges (default) then the
437    behaviour is unchanged from previous versions. if the value is set to dcSaveChanges
438    then IBX will attempt to post any unsaved changes before the dataset is closed
439    (and after the BeforeClose event handler is called). The exception is when the
440    dataset is being closed as a result of a transaction rollback. In this case,
441    no action is taken and any unsaved  changes are discarded. This avoids both
442    unnecessary overhead and the risk that a validation error may occur in the Post
443    raising an exception and thereby preventing a rollback.
444
445 6.  String Field sizes and Display Widths should now be correct for multi-byte character sets.
446    In earlier versions, the Display Width was set to the maximum byte width rather than the character
447    width. Display Widths are now corrected by dividing by the max byte width per character.
448    For UTF8 character sets, the byte width is four and hence the Display Width will be
449    the byte width divided by 4. The byte width of each character set is determined
450    dynamically when the database connection is estabished from the RDB$CHARACTER_SETS
451    system table. (see also http://bugs.freepascal.org/view.php?id=27766).
452
453 7.  SQLParser will now correctly parse SQL Text which contains ':' within quoted string.
454
455 8.  IBLookupComboEditBox: List should now always be restored to full list when the
456    control loses focus. Default Key press default interval reduced to 200ms.
457
458 9.  DBControlGrid: Ensure that selection is changed to newly appended row, even
459    when dataset rows are less than visible rows.
460
461 10. IBDynamicGrid: Editor Panel is not shown on indicator click if Datasource
462    does not exist or DataSet is empty. More responsive on dataset open. New event
463    OnRestorePosition. Column sort disabled if no header row.
464
465 11. IBTreeView: improved handling of response to "Add Node". Avoid scrolling dataset
466    while dataset state is dsInsert. Avoids posting errors.
467
468 12. IBControls: New mechanism for distributing UpdateSQL and UpdateParams events. This is to
469    avoid conflict with DisableControls/EnableControls with Master/Detail linked tables.
470
471 13. IBLookupComboEditBox: Now avoids SQL Errors when combo box text contains single quotes.
472
473 14. TIBDataSet and TIBQuery: new Event - OnValidatePost. This event has been introduced
474    to solve a specific problem. That is when the dataset cursor is moved (e.g. by
475    a grid mouse click and the current row is being edited or inserted. In this case, TDataset
476    always "posts" the current record regardless or whether or not it may be more appropriate
477    to cancel any changes; the post occurs before the "BeforeScroll" event fires due to the way the
478    "MoveBy" function is implemented by TDataSet. The OnValidatePost event is called
479    as the first action of the "Post" method and allows the handler to convert the Post
480    into a Cancel if that is the appropriate action on moving to a different row. This is
481    achieved by returning with "CancelPost" argument set to true. Note that an exception could be
482    raised here, but it may still be more appropriate to validate a post and signal
483    a problem in the "BeforePost" event handler. See readme.automaticposts.xhtml)
484
485 15. On Unix derived systems, the Firebird library name can now be given as a colon
486    separated list. Each library name on the list is tried in turn, in left to right
487    order with the first found being used as the firebird library. By default, on Linux,
488    the library name list is 'libfbembed.so.2.5:libfbembed.so.2.1:libfbclient.so.2'. This can be
489    overidden by the FBLIB environment variable or the OnGetLibraryName function.
490
491    Note: when using the libfbembed.so, if you prefix the database name with "localhost:"
492    then it will still attempt to access the database via the Firebird Server and will
493    require a username and password. If only the pathname is given, then the username
494    and password should be omitted and the unix file permissions are used to grant
495    access.
496
497 IBX Change Log  version  (1.2-2) Sat, 14 Mar 2015 11:35:04 +0000
498
499 1.  A new IBControl - TDBControlGrid has been added. TDBControlGrid a lookalike
500    rather than a clone for the Delphi TDBCrtlGrid. TDBControlGrid is a single column grid
501    that replicates a TWinControl - typically a TPanel or a TFrame in each row. Each row
502    corresponds to a row of the linked DataSource. Any data aware control on the
503    replicated (e.g.) TPanel will then appear to have the appropriate value for the row.
504
505 2. As suggested by Julio Jiménez, a new property "SQLHourGlass" has been added to TIBDatabase.
506   When set to false (default true), the Hour Glass cursor is supcpressed and no cursor change
507   takes place during database access. This may be useful when there are performance issues with
508   the change of cursor. Setting the property to false suppresses the change of cursor.
509
510 3. As suggested by Julio Jiménez, a new property "AutoCommit" has been added to TIBDataSet, TIBQuery
511   and TIBTable. When set to acCommitRetaining (Default: acDisabled), a call is made to
512   Transaction.CommitRetaining immediately after every Post or Delete. This has the effect of
513   making all changes permanent immediately rather than when the transaction is explicitly
514   committed.
515
516 4. Experimental support for the Firebird 3 SQL_BOOLEAN type has been added while still
517   using the legacy Firebird API. Thanks to Gabor Boros for helping to test this feature.
518
519 IBX Change Log  version      (1.2-1) Fri, 13 Mar 2015 11:14:15 +0000
520
521 Development version only.
522
523 IBX Change Log  version   (1.2-0) Thu, 26 Feb 2015 10:34:04 +0000
524
525 1. An internal select SQL Parser is now available for TIBCustomDataset descendents.
526   This is typically used during an "OnBeforeOpen" event handler to manipulate the
527   "Where" and "Having" clauses to implement user specified filters of arbitrary
528   complexity.
529
530 2. A new Component Palette entry "Firebird Data Controls" is now available. This has
531   three new data aware controls dependent on IBX and which make use of the SQL Parser.
532   These are:
533
534   - TIBLookupComboEditBox
535   - TIBDynamicGrid
536   - TIBTreeview
537
538   TIBLookupComboEditBox is a TDBLookupComboBox descendent that implements "autocomplete"
539   of typed in text and "autoinsert" of new entries. Autocomplete uses SQL manipulation
540   to revise the available list and restrict it to items that are prefixed by the
541   typed text (either case sensitive or case insensitive). Autoinsert allows a
542   newly typed entry to be added to the list dataset and included in the available
543   list items.
544
545   TIBDynamicGrid is a TDBGrid descendent that provides for:
546   - automatic resizing of selected columns to fill the available row length
547   - automatic positioning and sizing of a "totals" control, typically at the
548     column footer, on a per column basis.
549   - DataSet resorting on header row click, sorting the dataset by the selected column.
550     A second click on the same header cell reversed the sort order.
551   - Support for a "Panel Editor". That is on clicking the indicator column, the row
552     is automatically expanded and a panel superimposed on it. The panel can have any
553     number of child controls, typically data aware controls with the same datasource
554     as the grid allowing for editing of additional fields and more complex editors.
555   - Reselection of the same row following resorting.
556   - A new cell editor that provides the same functionality as TIBLookupComboEditBox.
557     Its properties are specified on a per column basis and allows for one or more
558     columns to have their values selected from a list provided by a dataset.
559     Autocomplete and autoinsert are also available. The existing picklist editor
560     is unaffected by the extension.
561
562   TIBTreeView is a data aware TCustomTreeView.
563
564 3. When getting a field value using FieldByName.AsVariant, an SQL_INT64 with a
565   zero scale will no longer return an error. An Int64 will be returned instead.
566
567 4. TIBTransaction now has events for Before and After Transaction End and a new function
568   "GetEndAction" allowing the EndAction to be accessed by these event handlers.
569
570 5. TIBQuery can now handle correctly queries which contain the same keyword parameter
571   repeated multiple times.
572
573 6. TIBUpdateSQL will no longer return an error when "RowsAffected" is <> 1. This error
574   check used to get in the way of using Stored Procedures, and "Update or Insert"
575   statements.
576
577 7. Insert, Modify and Delete property Editors now support Query Generation from
578   Stored Procedures.
579
580 8. Three new examples illustrate the use of the new IB Controls
581
582
583 IBX Change Log  version  (1.1-0) Mon, 07 Jul 2014 14:01:07 +0100
584
585 1. TIBXSQLVAR code clean up and optimisation to improve client side "prepare" and parameter
586   setting performance. See "readme.field+param.names in the doc folder.(Thanks to
587   Gabor Boros for reporting this problem and for testing the improvements).
588
589 2. IBX can now support dialect 3 quoted column names that contain spaces and which differ only in their case.
590   See readme.field+param.names in the doc folder.
591
592 3. IBX SQL Editors will now automatically add double quotes around column names when the database
593   dialect is "3" and the column name contains spaces or is a Firebird 2.5 SQL Reserved Word.
594
595 4. Param Type LargeInt now supported in TIBQuery and TIBStoredProc
596
597 5. TIBSQL.ExecQuery retry on failure removed to avoid problems with "at most once"
598   actions.
599
600 6. TIBTransaction.SetDefaultDatabase uses SetObjectProp instead of mis-using SetOrdProp (with
601   thanks to Yuriy Kopnin for pointing this out).
602
603 7. GenerateParamName is now a published property of TIBSQL, TIBQuery and TIBDataSet.
604
605 8. varWord, varShortInt and varInt64 added to TIBXSQLVAR.SetAsVariant and hence now available as variant types
606   for both fields and parameter setting.
607
608 9. Changes to the Select SQL in an IBCustomDataset descendent should now be
609   visible in the Fields Editor immediately afterwards - rather than only after cycling the "active" property.
610
611 10. TIBSQL SQL editor will operate correctly and not report an SQL syntax error on SQL test,
612    when DSQL ('?') parameter placeholders are used and the TIBSQL.GenerateParamNames property is set to true.
613
614 11. TIBTable now has a property editor for "MasterFields"
615
616 12. SQL Property Editors now include a checkbox "Allow DSQL Placeholder". This corresponds to the
617    GenerateParamNames property and should be set when using DSQL (i.e. '?') style parameters.
618
619 13. The IBTransaction editor now has a radio button ("Unspecified") which is set when the combination
620    of settings is unrecognised. Selecting this radio button has no effect on the settings.
621  
622
623 IBX Change Log  version                 (1.0-5) Sat, 28 Dec 2013 19:22:23 +0000
624
625 1. TBookmark change conditional compile changed to >= 2.7.0 to match revised availability of change.
626
627 IBX Change Log  version          (1.0-4) Thu, 28 Feb 2013 16:56:13 +0000
628
629 1. In a TIBCustomDataset descendent, a generator now only sets the value when
630   it is null. This allows for alternative user defined setting of the generator
631
632   Many thanks to Julio Jiménez for this fix
633
634 2. An Error Dialog is now displayed in the Lazarus IDE if IBX cannot find the Firebird Library
635   and suggests that the user may have forgotten to install it.
636
637 IBX Change Log  version         (1.0-3) Thu, 22 Nov 2012 22:53:39 +0000
638
639 1. Conditional compilation used to limit registration of TIntegerField to
640   Lazarus versions less than 1.1
641
642 2. When a database connection is created, character set is now by default set
643   to UTF8 (Unix) or to the current Windows code page (Windows) if in the range
644   1250 to 1254.
645
646
647 IBX Change Log  version     (1.0-2) Tue, 09 Oct 2012 09:10:30 +0100
648
649 1. TBookmark change conditional compile changed to > 2.6.2 to match expected availability of change.
650
651
652 IBX Change Log  version    (1.0-1) Sun, 05 Aug 2012 20:00:04 +0100
653
654 1. In IBCustomDataset. Changed CurBookmark from string to TBookmark for compiler versions > 2.6.0
655   Necessary because of TBookmark type and TDataSet.Bookmark property change in fpc 2.7.1
656
657 2. IBX now registers TIntegerField as a "No Icon" component. This may be removed if the fpc DB
658   package is changed to do this (which it should do).
659
660 IBX Change Log  version (1.0-0)  Sat, 28 Apr 2012 16:43:00 +0100
661
662 1. Add "if active then active := false" to TIBCustomDataset destructor. (Avoid error on database close).
663
664 2. Make use of $STATIC conditional in IBSQLMonitor (Needed for FPC 2.6.0 compliance)
665
666 3. Database Property Editor: Character Set drop down box now uses "OnChange" rather than "OnCloseUp" to react to changes
667
668 4. Property editors should now correctly resize.
669
670 5. In IBDatabaseEdit.TestClick, the LoginPrompt is now set to the state of the LoginPrompt Checkbox
671   (restored original functionality)
672
673 6. Under OSX, if IBX fails to load libfbclient.dylib, it will now try and load the firebird
674   library using the absolute path /Library/Frameworks/Firebird.framework/Firebird.

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