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Revision: 348
Committed: Wed Oct 6 09:38:14 2021 UTC (2 years, 5 months ago) by tony
Original Path: ibx/trunk/fbintf/changelog
File size: 22560 byte(s)
Log Message:
Fixes Merged

File Contents

# User Rev Content
1 tony 348 FBINTF Change Log version (1.3-2 Build 12806) Wed, 06 Oct 2021 09:07:03 +0100
2 tony 347
3     1. TFBClientAPI.GetProcAddr. Add check for nil reference.
4    
5     2. IStatement: new methods:
6     procedure SetStaleReferenceChecks(Enable:boolean); {default true}
7     function GetStaleReferenceChecks: boolean;
8    
9     In previous versions, stale reference checks were always enabled. This allows the
10     user to disable them on a per statement basis. Note this can risk out-of-date
11     statement BLR. See User Guide.
12    
13 tony 348 3. IBUtils: TSQLwithNamedParamsTokeniser now recognises a CASE...END block within a
14     stored procedure and hence avoids replacing named parameters within a containing
15     BEGIN..END block.
16    
17 tony 345 FBINTF Change Log version (1.3-1 Build 12776) Mon, 23 Aug 2021 11:09:33 +0100
18    
19     1. Integer decodes in information blocks (e.g. IDBInfoItem) widened from 32 bit to 64-bit integers.
20    
21     2. Support for inline blob encoding. Blob values pass using the "SetAsString" method
22     will now be encoded inline (i.e. as part of the parameter buffer) if they are
23     shorter than a pre-set limit. Longer values continue to be saved as blobs as a
24     separate server interaction. This is intended as a performance optimisation.
25    
26     The pre-set limit defaults to 8192 bytes and can be inspected/modified using the new
27     IAttachment interface functions:
28    
29     function GetInlineBlobLimit: integer;
30     procedure SetInlineBlobLimit(limit: integer);
31    
32     3. Support for Firebird 4 IBatch interface added. This is largely transparent to the API
33     user as the functionality is embedded in the implementation of the IStatement
34     interface. Three new functions are defined:
35    
36     procedure AddToBatch;
37     function ExecuteBatch(aTransaction: ITransaction=nil): IBatchCompletion;
38     procedure CancelBatch;
39     function GetBatchCompletion: IBatchCompletion;
40     function GetBatchRowLimit: integer;
41     procedure SetBatchRowLimit(aLimit: integer);
42    
43     Also
44    
45     function IsInBatchMode: boolean; {true after call to execute(eaDefer)}
46     function HasBatchMode: boolean; {true if and only if IBatch Supported}
47    
48     For more information see the User Guide.
49    
50     4. Default error message contents. Now aligned with User Guide section 10.2 i.e. error messages
51     provided with the EIBInterBaseError now include all three parts.
52    
53     5. Firebird.pas and include files updated to Firebird 4.0.0
54    
55     6. New IStatement method: function GetSQLStatementTypeName: AnsiString;
56     Returns SQL Statement type as a text string;
57    
58     7. ISQLData.AsInteger and AsInt64 now use "Round" to convert a float field to
59     an integer instead of "trunc". This is for compatibility with TFloatField.AsInteger.
60    
61 tony 340 FBINTF Change Log version (1.2-1 Build 12552) Wed, 09 Jun 2021 13:05:40 +0100
62 tony 338
63     1. Big fix for Firebird 4.0. A internal change in Firebird 4.0.0 from RC1 flushed out a
64     typo in FB30Statement.pas that caused an unknown parameter error.
65    
66 tony 319 FBINTF Change Log version (1.2-0 Build 12520) Fri, 19 Feb 2021 13:27:23 +0000
67 tony 308
68 tony 315 1. Imported (Firebird) constants updated for Firebird 4.
69    
70     2. Firebird.pas from Firebird 4 integrated into source code tree.
71    
72     3. Added Support for TIMETAMP WITH TIME ZONE and TIME WITH TIME ZONE data types.
73    
74     4. Added Support for SQL_DEC16, SQL_DEC34 and extended NUMERIC precision.
75    
76     5. New unit 'FBClientLib.pas' added and provides new interface IFBIMasterProvider.
77     QueryInterface may be used to coerce this interface from IFirebirdAPI. The
78     interface provides a single method "function GetIMasterIntf: IMaster". This provides
79     type safe access to the Firebird IMaster interface and avoids the need to turn
80     off object checks when coercing "function GetIMaster: TObject" to IMaster.
81    
82     6. New IFirebirdAPI Calls:
83     function HasLocalTZDB: boolean;
84     function HasTimeZoneSupport: boolean;
85     function HasExtendedTZSupport: boolean;
86     procedure SQLDecFloatEncode(aValue: tBCD; SQLType: cardinal; bufptr: PByte);
87     function SQLDecFloatDecode(SQLType: cardinal; scale: integer; bufptr: PByte): tBCD;
88    
89     7. New IAttachment Calls:
90     function HasDecFloatSupport: boolean;
91     function GetTimeZoneServices: ITimeZoneServices;
92     function HasTimeZoneSupport: boolean;
93    
94     8. New Interface ITimeZoneServices.
95    
96     9. New ISQLData API Calls:
97     procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
98     procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
99     procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
100     procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
101     function GetAsUTCDateTime: TDateTime;
102     function GetAsBCD: tBCD;
103    
104     10. New ISQLParam API Calls
105     procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
106     procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
107     procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
108     procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
109     function GetAsUTCDateTime: TDateTime;
110     function GetAsBCD: tBCD;
111     function GetStatement: IStatement;
112     function GetTransaction: ITransaction;
113     procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
114     procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
115     procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
116     procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
117     procedure SetAsUTCDateTime(aUTCTime: TDateTime);
118     procedure SetAsBcd(aValue: tBCD);
119    
120     11. New IArray API Calls
121     procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
122     procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
123     procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
124     procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
125     function GetAsUTCDateTime(index: array of integer): TDateTime;
126     procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
127     procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZone: AnsiString); overload;
128     procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
129     procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
130    
131     12. Utility functions in IBUtils
132     function ParseDateTimeTZString(aDateTimeStr: Ansistring; var aDateTime: TDateTime;
133     var aTimezone: AnsiString; aFormatSettings: TFormatSettings; TimeOnly: boolean=false): boolean;
134     procedure FBDecodeTime(aTime: TDateTime; var Hour, Minute, Second: word; var DeciMillisecond: cardinal);
135     function FBEncodeTime(Hour, Minute, Second, DeciMillisecond: cardinal): TDateTime;
136     function FBFormatDateTime(fmt: AnsiString; aDateTime: TDateTime): AnsiString;
137     function FormatTimeZoneOffset(EffectiveTimeOffsetMins: integer): AnsiString;
138     function DecodeTimeZoneOffset(TZOffset: AnsiString; var dstOffset: integer): boolean;
139    
140     13. IDPB, ITPB and ISPB: new interface method
141     function AddByTypeName(ParamTypeName: AnsiString): IDPBItem/ITPBItem/ISPBItem;
142     This is used to add a parameter block item by the string equivalent of its
143     symbolic type name. e.g. DPB.AddByTypeName('isc_dpb_user_name').AsString := '...'
144    
145     14. IDPBItem/ITPBItem/ISPBItem: new interface method:
146     function getParamTypeName: AnsiString;
147    
148     15. fb_shutdown now called before unloading Firebird library. This can avoid a
149     SIGEVENT error when a programme using the embeded server is unloaded.
150    
151     FBINTF Change Log version (1.1-6 Build 12237) Tue, 21 Jul 2020 08:54:21 +0100
152    
153 tony 308 1. GetImplementationVersion now correctly returns '3.0' for Firebird 3 API
154     with a Firebrid 3 client library.
155    
156     2. Linux Only: FIREBIRD environment variable is now checked when loading the client library.
157     If a client library path is not explicitly provided and the FIREBIRD environment
158     variable is set then the directory given by this variable and any 'lib' subdirectory
159     are searched for the Firebird client library. Only if none is found, is the default
160     client library used.
161    
162     3. IUtil.FormatStatus now used to format error messages when using new API
163    
164     4. Fixed Array SDL: array_desc_scale now correctly encoded as a signed integer.
165    
166     5. SQL_TEXT handling changed. When the value of an SQL_TEXT (i.e. fixed width string) column is
167     returned using GetAsString and the string codepage is UTF8, the string is truncated so
168     that the byte length corresponds to the number of characters specified for the column.
169     SQL_TEXT strings are no longer automatically trimmed to remove all trailing white space. This is
170     correct behaviour but may affect some implementations that relied upon automatic
171     trimming of trailing white space.
172    
173     6. New IFirebirdAPI Calls:
174     function GetClientMajor: integer;
175     function GetClientMinor: integer;
176    
177 tony 309 7. IColumnMetaData and IArrayMetaData: new method
178     function GetCharSetWidth: integer;
179 tony 308
180 tony 315 FBINTF Change Log version (1.1-5 Build 12022) Fri, 17 Apr 2020 10:35:55 +0100
181 tony 309
182 tony 287 1. ISQLParams.GetHasCaseSensitiveParams added. Returns true if param names are
183     case sensitive
184    
185     2. Single line SQL comments starting with '--' are now recognised by SQL Parser.
186    
187 tony 291 3. New API Calls:
188     IColumnMetaData.GetStatement
189     IColumnMetaData.GetTransaction
190 tony 315 ISQLData.GetStrDataLength
191 tony 291 IResults.GetStatement
192     IAttachment.OpenBlob (using Blob metadata)
193     IAttachment.OpenArray (using array metadata)
194    
195     4. FBMessages: removal of unused messages
196    
197     5. TFBArray.Create (2nd case): ensure that FFirebirdClientAPI is correctly set.
198    
199     6. TIBSQLStatementType: SQLSavePoint added to end of enumeration.
200    
201 tony 280 FBINTF Change Log version (1.1-4 Build 11515) Fri, 28 Dec 2018 10:04:19 +0000
202 tony 265
203     1. Fix a problem with the SQL parameter parser that failed to recognise parameters
204     where the second character of the parameter name is a numeric.
205    
206 tony 266 2. New method for IAttachment: procedure getFBVersion(version: TStrings);
207     This returns the isc_version connection information as one or more lines.
208     This is the same information as returned by isql with the -z option.
209 tony 265
210 tony 270 3. If -dFIREBIRD3APIONLY is used as a compiler option then the legacy Firebird API
211     is no longer compiled in. Likewise, if -dLEGACYFIREBIRDAPIONLY is used as a
212     compiler option then the Firebird 3 API is no longer compiled in.
213 tony 266
214 tony 270 4. IColumnMetaData: new method.
215    
216     TIBDateTimeFormats = (dfTimestamp, {SQL TIMESTAMP}
217     dfDateTime, {SQL DATETIME}
218     dfTime);
219    
220     function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
221    
222     This returns the max. number of characters returned by the "AsString" method
223     when the SQL type of the column is respectively TIMESTAMP, DATETIME or TIME.
224    
225     5. Additional argument for IAttachment.PrepareWithNamedParameters -
226     CaseSensitiveParams: boolean = false
227    
228     If this argument is set to true then SQL parameter names are assumed to be case
229     sensitive and must be referenced (using ISQLParams.ByName) using the case
230     sensitive name.
231    
232     6. Bug fix: when setting a query parameter, it is now possible, when the parameter
233     is of type VarChar or Char to set the parameter to a numeric value (e.g. using
234     .AsCurrency) and then subsequently to update the value to a non-numeric string
235     using .AsString.
236    
237    
238    
239 tony 263 FBINTF Change Log version (1.1-3) Wed, 05 Dec 2018 14:28:10 +0000
240 tony 238
241     1. DARWIN only syntax error: fix missing semi-colon in TFBClientAPI.LoadIBLibrary
242    
243 tony 263 2. Restrict IsMultiThread check to Unix only for compatibility with
244     https://bugs.freepascal.org/view.php?id=30535
245    
246     3. New SQL Tokeniser added to IBUtils. This is used to pre-process SQL with
247     named parameters and is intended to avoid problems with (e.g.) Execute Block
248     and processing internal parameters as statement parameters.
249    
250     4. New interface IFirebirdLibrary provides access to the underlying firebird DLL
251     or shared object. Available via a new member (GetFBLibrary) of IFirebirdAPI.
252    
253     5. New function added to IB.pas
254    
255     function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary
256    
257     This allows a Firebird Library to be loaded from an explicit path. use the
258     IFirebirdLibrary.GetFirebirdAPI member function to get the Firebird API using
259     the library. It is possible to load Firebird libraries from different locations
260     simultaneously, each with a distinct IFirebirdAPI.
261    
262 tony 233 FBINTF Change Log version (1.1-2) Mon, 16 Apr 2018 09:30:32 +0100
263 tony 59
264 tony 209 1. Firebird.pas: {$OBJECTCHECKS OFF} added to file to avoid runtime error when
265     program compiled with -CR command line switch.
266    
267     2. IServiceManager additions (informational):
268     function getProtocol: TProtocol;
269     function getPortNo: AnsiString;
270    
271     3. IServiceManager improved error handling. Interfaces changed:
272     function Start(Request: ISRB; RaiseExceptionOnError: boolean=true): boolean;
273     function Query(SQPB: ISQPB; Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
274     function Query(Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
275    
276     4. IAttachment addition (informational)
277     function GetSecurityDatabase: AnsiString;
278    
279     5. IStatement: performance counters now updated after each Fetch. GetPerfStatistics
280     thus now returns accumulated stats for a select statement from opening a cursor
281     up to the last fetch.
282    
283     6. DARWIN: uloadlibrary.inc bug fix. Many thanks to Luigi Naimi for correcting
284     the problem.
285    
286     7. Type change: "TPerfCounters = array[TPerfStats] of Int64". Note "Int64"
287     replaces deprecated "comp" type.
288    
289 tony 217 10. Testsuite Test10 updated to include thread synchronisation for event reporting.
290 tony 209
291 tony 231 11. URL Connection Strings: inet4 and inet6 now recognised.
292 tony 217
293 tony 231 12. IBUtils: Parse and Make Connect String now recognise URL style loopback syntax.
294    
295 tony 233 13. IAttachment.CharSetName2CharSetID is now performed case insensitive.
296 tony 231
297 tony 233
298 tony 209 FBINTF Change Log version (1.1-1) Tue, 27 Feb 2018 16:51:16 +0000
299    
300 tony 107 1. IBUtils.QuoteIdentifierIfNeeded: Add check for space character.
301    
302 tony 109 2. IAttachment: add two new methods
303     function HasDefaultCharSet: boolean;
304     function GetDefaultCharSetID: integer;
305    
306     These return, respectively, true if a connection default character set was
307 tony 117 specified and the character set id of the connection default character set.
308     The DefaultCharSetID is cached when the connection is opened and hence does not
309     require a database lookup.
310 tony 109
311 tony 110 3. Avoid exception when a text blob is a stored procedure parameter.
312 tony 109
313 tony 111 4. Update test suite to include a test for a stored proc returning a text blob.
314    
315 tony 117 5. IAttachment: add
316     function GetRemoteProtocol: AnsiString;
317     function GetODSMajorVersion: integer;
318     function GetODSMinorVersion: integer;
319 tony 143 function GetAuthenticationMethod: AnsiString;
320 tony 117
321     These results are cached when the connection is opened and hence do not
322     require a database lookup.
323    
324     6. IAttachment: add "function GetConnectString: AnsiString;" This returns the
325     connect string used to create/connect to the database.
326    
327     7. IAttachment: Create Database using SQL statement. The username and password
328     are now extracted and used to populate a DPB made available via IAttachment.getDPB.
329     It is now possible to use IAttachment disconnect/connect to reconnect to
330     a database for which the initial connection was established by a create
331 tony 120 database sql statement. Available in FPC only.
332 tony 117
333     8. Update Test 1 to test 5, 6 and 7 above.
334    
335     9. IBUtils code tidy up.
336    
337 tony 143 10. Parameter Block interfaces "find" method. As documented, this should have
338     returned a nil interface when the item could not be found. Instead, an empty
339     interface item was returned. "Find" now works as documented and will return
340     a nil interface if the item cannot be found.
341    
342     11. DBInformation: support added for isc_info_active_tran_count and isc_info_creation_date.
343    
344     12. DBInformation: New interfaces: IDIRB and IDIRBItem added to support DB Information
345     requests with additional parameters. This is to enable support for fb_info_page_contents
346     (return of page contents). Response to fb_info_page_contents returned as
347     a string with code page CP_NONE.
348    
349     13. DBInformation: Support for fb_info_pages_used and fb_info_pages_free added, plus
350     test suite updated.
351    
352     14. DBInformation: Support for fb_info_crypt_key (Firebird 3.0.3 onwards) added as
353     a string type, and fb_info_conn_flags (Firebird 3.0.3 onwards) added as an integer type.
354    
355     15. Service Manager: List of protocols supported expanded to include inet, wnet and xnet.
356     An overloaded version of IIFirebirdAPI.GetServiceManager also allows a non
357     default connection port to be specified.
358    
359 tony 107 FBINTF Change Log version (1.1-0) Sun, 07 Jan 2018 15:20:02 +0000
360    
361 tony 59 1. Fix issues with setting SQL Param values using SetAsString with Numeric types.
362     Scale is no longer ignored.
363    
364     2. Fix issues with setting SQL Param values using SetAsString with Date values
365     not in locale format but which are recognised by Firebird. Date values that
366     cannot be converted to a string using Pascal library are now passed through
367     to Firebird as Text Strings.
368    
369 tony 60 3. Lookup character set name by codepage amended to ensure that CP_UTF8 returns
370     UTF8 and not UNICODE_FSS.
371    
372     4. Charset ID problem. When using Firebird 3, with no default database character set
373     and a column has a non-default collation specified, an incorrect character set
374     id was being reported that could result in a 'division by zero' error when
375     used by IBX. This has now been fixed.
376    
377     5. Move GetCharsetName, CharSetID2CodePage, CodePage2CharSetID, CharSetName2CharSetID,
378     CharSetWidth from IFirebirdAPI to IAttachment. This is a better data model as
379     the character sets supported can be updated on a per database basis. That is
380     it is possible to add a (Firebird) user defined character set to a database.
381    
382     6. Add RegisterCharSet to IAttachment. This is used to register a user defined character
383     set supported by Firebird with the API.
384    
385 tony 61 7. Add missing isc_info_db_read_only to list of decoded Database Information items
386     in FBOutputBlock.pas and update test suite to include this item.
387 tony 60
388 tony 63 8. FB30Client: avoid always using "StartMultiple" when only a single database attachment.
389 tony 61
390 tony 68 9. Loading Windows fbclient.dll: when using the FIREBIRD variable to locate the client
391     library or finding it by disk location, the PATH environment variable is now also set to
392     include the FIREBIRD directory. This is to ensure that the correct dlls in the
393     firebird client library dependencies are loaded.
394 tony 63
395 tony 68 10. Testsuite: Ensure consistent UTF-8 output on Windows console.
396    
397     11. Testsuite: Update Windows script to include FPC 3.0.4 in search path.
398    
399     12. FB30Statement: Protect call to "Move" and avoid calling with a nil pointer
400    
401     13. FB30Statement: A check has been added to ensure that all SQL Parameters
402     have been given a value (including NULL). Previously, failing to set the
403     value of an SQL Parameter could give rise to unpredictable results or
404     an SQLDA error.
405    
406     14. FB30Statement/FB25Statement: Set SQLParam "modified" when string value set.
407    
408 tony 70 15. FBAttachment: Avoid string reference count error when processing an Ansistring
409     parameter in an array of const passed to IAttachment.OpenCursor, etc.
410 tony 68
411 tony 70 16. FBAttachment: Allow for WideString and UnicodeString parameters in an array
412     of const passed to IAttachment.OpenCursor, etc.
413    
414    
415 tony 56 FBINTF Change Log version (1.0-2) Sat, 04 Mar 2017 14:43:56 +0000
416 tony 47
417 tony 56 1. Change syntax to Mode Delphi
418    
419     2. Change all uses of string type to explicit AnsiString in order to ensure
420     compatibility between Delphi and FPC.
421    
422     3. Various syntax changes to ensure Delphi and FPC compilation including GUIDs
423     defined for each interface.
424    
425     4. Generics syntax variations for Delphi added
426    
427     5. PChar replaced with PByte expect where an actual string is being referenced,
428     where PAnsiChar is used instead.
429    
430     6. Review of type definitions in IBExternals to ensure Delphi compatibility
431    
432     7. Testsuite updated for Delphi
433    
434     FBINTF Change Log version (1.0-1) Fri, 24 Feb 2017 12:17:57 +0000
435    
436 tony 47 1. Limit maximum Blob segment read/write to MaxuShort. Avoids data loss with
437     large blobs and the FB3 API.
438    
439     2. Update Event Handling algorithm to avoid looping due to recreation of the
440     event block.
441    
442     3. Avoid invalid XSQLDA error when the only parameter is updated to null
443    
444     4. Array Handling: fix problem with text arrays with character set none. When the
445     DB connection has a default character set (e.g. UTF8), an error is raised by
446     Firebird if the space allocated is not enough to allow for transliteration, even
447     though it is not required for character set none.
448    
449     5. IBUtils: List of reserved words brought up-to-date
450    
451     6. Add ISQL style performance statistics collection to IStatement
452    
453     7. Add IFirebirdAPI.CreateDatabase variant to allow execution of user provided
454     CREATE DATABASE statement.
455    
456     8. Update SQL Statement parsing to allow for Array Dimensions. That is so that the ':' in
457     an array dimension is not mistaken for a named parameter prefix.
458    
459     9. Trim function no longer applied to result of GetAsString for SQL_TEXT
460     when Character set is octets. Avoids loss of non printable characters at start of string.
461    
462     10. Add function GetPerfStatistics to IStatement. This returns ISQL like performance
463     statistics for the last action. Requires use of procedure IStatement.EnableStatistics
464     to enable stats gathering.
465    
466     11. API Version information added as constants to IB.pas
467    
468     12. BlobMetaData character set id should now be the same as that given by IColumnMetaData.GetCharSetID
469    
470     13. Firebird Character set "NONE" now interpreted as codepage CP_ACP.
471    
472 tony 45 FBINTF Change Log version (1.0-0) Tue, 06 Dec 2016 10:33:47 +0000
473    
474     1. Initial Release
475