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Revision 263 by tony, Thu Dec 6 15:55:01 2018 UTC vs.
Revision 434 by tony, Wed Mar 20 11:31:00 2024 UTC

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1 + FBINTF Change Log  version          (1.4-2 Build 14340) Wed, 20 Mar 2024 11:13:10 +0000
2 +
3 + 1. IBUtils.FormatTimeZoneOffset A zero offset now includes a preceding '+' sign.
4 +
5 + 2. TFBStatement.DoJournaling now exits immediately if journaling is not active. The
6 +   motivation for this is to avoid calling the Firebird API function 'getInfo'
7 +   unnecesarily. This function can return an error if an incompatible parameter type was
8 +   applied to the statement and hence can confuse resolving the bug. Note: a
9 +   specific case is in (e.g.) OpenCursorAtStart method when the array of const includes a
10 +   TDateTime. In this case, the param is set to a floating point type rather than
11 +   a Firebird datetime (array of const loses the distinction).
12 +
13 + 3. TFBAttachment.SetParameters. if an attempt is made to set a parameter with a float
14 +   value, the metadata type is checked to see if the parameter is a Date/Time type. If so then
15 +   the value is assumed to be a TDateTime and the parameter is set using the AsDateTime
16 +   property. Otherwise, the value is assumed to be a floating point type and the AsDouble
17 +   property is used to set the property. This avoids the specific example given above.
18 +
19 + 4. IBHeader (legacy interface only) Definition of Start_Transaction changed to use
20 +   varargs - win64 compatibility issue.
21 +
22 + 5. FB25Blob: last parameter of call to isc_blob_lookup_desc is now set to nil. This
23 +   avoids memory corruption with Firebird 4 when using the legacy interface.
24 +
25 + FBINTF Change Log  version          (1.4-1 Build 14103) Mon, 27 Nov 2023 14:26:35 +0000
26 +
27 + 1. FBSQLData: ensure that TResults.getSQLData and TResults.GetData use same error
28 +   checks for range checking.
29 +
30 + 2. FB25Client: In GetIBMessage, fb_interpret is now called multiple times such that
31 +   any additional error information is decoded.
32 +
33 + 3. FB25Statement: When changing a param type from Blob sub_type 1 to SQL_TEXT or SQL_VARYING
34 +   charsetid is now preserved and size is set to default blob size. Now aligns with
35 +   FB3 and later.
36 +
37 + 4. DDL and DML string literals are now explicitly set to the connection character
38 +   set rather than the default character set provided by the compiler.
39 +
40 + 5. General tidy up of transliteration functions, now centralised in IBUtils. FPC testing
41 +   now makes use of the RTL fpwidestring unit for support of international character
42 +   sets.
43 +
44 + 6. Database exception handling (see section 9.3 in user guide).
45 +    * For FB3 and later API: Connection Character set now applied to message returned
46 +      by fb_interpret and message then transliterated if necessary to the system character set.
47 +    * For Legacy API: The message character set is guessed as UTF8 unless invalid
48 +      UTF8 characters found when connection character set is assumed. Message then
49 +      transliterated if necessary to system character set.
50 +      Note: this difference of behaviour is because legacy API presents exception messages
51 +      "as is", while FB3 server attempts to transliterate to connection character set.
52 +
53 + FBINTF Change Log  version          (1.4-0 Build 14011) Sat, 05 Aug 2023 11:09:09 +0100
54 +
55 + 1. Support package fbudr added for support of User Defined Routines (UDRs), and package
56 +   fbudrtestbed for client side debugging of UDR libraries.
57 +
58 + 2. Package layout changed with introduction of udr support. IB*.pas files moved from
59 +    root directory to "client". IBHeader moved to "Client".
60 +
61 + 3. Delphi packages: all packages now compile .dcp and .bpi files to either
62 +   fbintf\Win32\Debug or fbintf\Win64\Debug by default. Please remove any pre-existing
63 +   fbintf.dcp and fbintf.bpi files from other locations.
64 +
65 + 4. Client side journaling support added. Interface changes
66 +   IAttachment
67 +    function JournalingActive: boolean;
68 +    function GetJournalOptions: TJournalOptions;
69 +    function StartJournaling(aJournalLogFile: AnsiString): integer; overload;
70 +    function StartJournaling(aJournalLogFile: AnsiString; Options: TJournalOptions): integer; overload;
71 +    function StartJournaling(S: TStream; Options: TJournalOptions): integer; overload;
72 +    procedure StopJournaling(RetainJournal: boolean);
73 +
74 + 5. Transactions may now be given a local transaction name:
75 +   IFirebirdAPI
76 +     function StartTransaction(Attachments: array of IAttachment;
77 +             TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
78 +             TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit;
79 +             aName: AnsiString=''): ITransaction; overload;
80 +     function StartTransaction(Attachments: array of IAttachment;
81 +             TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
82 +             TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit;
83 +             aName: AnsiString=''): ITransaction; overload;
84 +
85 +   IAttachment
86 +    function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
87 +    function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
88 +    function StartTransaction(TPB: array of byte;
89 +                              DefaultCompletion: TTransactionCompletion=taCommit;
90 +                              aName: AnsiString=''): ITransaction; overload;
91 +    function StartTransaction(TPB: ITPB;
92 +                              DefaultCompletion: TTransactionCompletion=taCommit;
93 +                              aName: AnsiString=''): ITransaction; overload;
94 +
95 +  ITransaction
96 +    function GetTransactionName: AnsiString;
97 +    procedure SetTransactionName(aValue: AnsiString);
98 +
99 + 6. Additional Transaction information
100 +     ITPB.function AsText: AnsiString; {Returns TPB as a text string}
101 +
102 +   ITransaction
103 +     function GetDefaultCompletion: TTransactionCompletion;
104 +     function GetJournalingActive(attachment: IAttachment): boolean; {attachment must be specified when multi-database transaction}
105 +
106 + 7. New IAttachment helper functions
107 +     function HasTable(aTableName: AnsiString): boolean;
108 +     function HasFunction(aFunctionName: AnsiString): boolean;
109 +     function HasProcedure(aProcName: AnsiString): boolean;
110 +     function GetAttachmentID: integer;
111 +     function GetCharSetID: integer;
112 +
113 + 8. IStatement: if the BatchRowLimit is set to maxint, the maximum possible buffer size
114 +   will be allocated for batch operations.
115 +
116 + 9. IStatement, IColumnMetaData and ISQLParam all now consistently provide:
117 +    function GetStatement: IStatement;
118 +    function GetTransaction: ITransaction;
119 +    function GetAttachment: IAttachment;
120 +
121 + 10. Internal: a more disciplined approach to the handling of Firebird.IReferenceCounted
122 +    interfaces.
123 +
124 + 11. New interface type: IFBNumeric. IFBNumeric is implemented in the unit FBNumeric
125 +    and concentrates all handling of Fixed Point numbers. New ISQLItem and ISQLParam
126 +    functions getAsNumeric and setAsNumeric allow for direct retrival and manipulation
127 +    of numerics without loss of precision.
128 +
129 + 12. TryStrToNumeric and NumericToDouble moved from IBUtils to FBNumeric.
130 +
131 + 13. ISQLParams new method "Clear"
132 +
133 + 14. Connection Info (e.g. ODS Version, Remote Protocol) now retrieved on first
134 +    request rather than on attachment connect.
135 +
136 + 15. IStatus.IBDataBaseErrorMessages now defaults to [ShowIBMessage]. This reflects the
137 +    fact that SQLCodes are soon to be deprecated. In the future, the other options
138 +    will be silently ignored if SQLCode support is not present in the Firebird
139 +    Client library.
140 +
141 + 16. ITransaction changes Rollback and Commit from procedures to functions:
142 +      function Commit(Force: boolean=false): TTrCompletionState;
143 +      function Rollback(Force: boolean=false): TTrCompletionState;
144 +
145 +    Specifically, this is to allow the functions to report back a failed commit or
146 +    rollback when Force = true. In the case, the transaction handle has been
147 +    released, while the transaction remains in limbo.
148 +
149 + 17. IAttachment ExecImmediate.
150 +    When the transaction parameters are provided as an array of const and the
151 +    statement fails, the transaction is rolledback (forced) before the exception
152 +    is raised.
153 +
154 + 18. In Firebird 3 and later API: the status vector is now a thread var, as was
155 +    already the case with the legacy API. Avoids problems when calling underlying
156 +    Firebird API in multiple threads.
157 +
158 + 19. IBUtils: TSQLXMLReader: "string" type changed to "AnsiString" for compatibility
159 +    reasons.
160 +
161 + 20. IDBInformation.DecodeVersionString now supported isc_info_firebird_version.
162 +
163 + 21. TSQLXMLReader: handle 'blob' as a reserved word
164 +
165 + 22. ISQLParam.SetAsVariant now accepts a vartype of varUString (UnicodeString).
166 +
167 +
168 + FBINTF Change Log  version          (1.3-3 Build 12935) Mon, 06 Dec 2021 23:17:13 +0000
169 +
170 + 1. Fix compile error with fpc trunk (3.3.1 and later), due to type change to tzname in "unix" unit.
171 +
172 + 2. Remove constraint in IAttachment.HasScollableCursors that returned false when
173 +   using remote protocol. Scrollable cursors with remote database expected to
174 +   be support for Firebird 4.0.1 onwards. Note: Firebird 4.0.0 will return
175 +   a not supported error.
176 +
177 + 3. IStatement: new function;
178 +    TStatementFlag = (stHasCursor,stRepeatExecute,stScrollable);
179 +    TStatementFlags = set of TStatementFlag;
180 +    function GetFlags: TStatementFlags;
181 +
182 + 4. Revised behaviour for IStatement.ExecuteQuery in order to preserve backwards
183 +   compatibility.
184 +   In Firebird 5, Update..Returning may returns multiple rows and hence the statemen
185 +   type changes from ExecProcedure to Select. So that ExecuteQuery can continue
186 +   to be used with Update...Retruning statements that return a singleton row,
187 +   instead of raising an exception when ExecuteQuery is used with a (SELECT) statement,
188 +   it will open the cursor and return the first row only.
189 +
190 + 5. ITransaction: new functions:
191 +    function GetIsReadOnly: boolean;
192 +    function GetTransactionID: integer;
193 +    function GetTrInformation(Requests: array of byte): ITrInformation; overload;
194 +    function GetTrInformation(Request: byte): ITrInformation; overload;
195 +
196 +   The latter two return the Transaction Information block. The first two extract
197 +   information the Transaction Information block
198 +
199 + 6. New function TSQLTokeniser.ReadCharacters
200 +   Used internally.
201 +
202 + 7. IStatement: GetProcessedSQL bug fix. No longer raises and error if SQL contains
203 +   parameter placeholders instead of named parameters.
204 +
205 + 8. ITransaction (Firebird 3 and later): An exception raised when freeing an underlying
206 +   transaction handle is now ignored if Rollback/Commit is called with Force=true
207 +
208 + 9. Tidy up of exception handling code. Under the legacy API, fb_interpret is now
209 +   used to get an IBError Message instead of isc_interprete.
210 +
211 + 10. Internal tidyup. Native code now used for decoding integers and the events
212 +    buffer. Avoids dependencies on fbclient functions isc_portable_integer,
213 +    isc_event_block and isc_event_counts.
214 +
215 + 11. New IAttachment function
216 +     function GetAttachmentID: integer;
217 +
218 + 12. Internal changes to TFBClientAPI, TFBAttachment and TFBTransaction and TFB30
219 +    subclasses to enable UDR support.
220 +
221 + FBINTF Change Log  version          (1.3-2 Build 12889) Sun, 24 Oct 2021 13:49:28 +0100
222 +
223 + 1. TFBClientAPI.GetProcAddr. Add check for nil reference.
224 +
225 + 2. IStatement: new methods:
226 +    procedure SetStaleReferenceChecks(Enable:boolean); {default true}
227 +    function GetStaleReferenceChecks: boolean;
228 +
229 +   In previous versions, stale reference checks were always enabled. This allows the
230 +   user to disable them on a per statement basis. Note this can risk out-of-date
231 +   statement BLR. See User Guide.
232 +
233 + 3. IBUtils: TSQLwithNamedParamsTokeniser now recognises a CASE...END block within a
234 +   stored procedure and hence avoids replacing named parameters within a containing
235 +   BEGIN..END block.
236 +
237 + 4. ISQLParam: using a string value to set an integer field with a scale factor of
238 +   zero is now treated as a special case to avoid the risk of floating point
239 +   rounding errors affecting pure integers.
240 +
241 + 5. ISQLParam:  Review and tidy-up of SetAsString for numeric types.
242 +
243 + 6. ISQLParam is now subclassed from IParamMetaData, which provides access to the mutable
244 +   SQL Parameter metadata (methods moved from ISQLParam).
245 +
246 + 7. ISQLParam: new method
247 +     function getColMetadata: IParamMetaData;
248 +   This instance of IParamMetaData returns the original column metadata which is unmutable.
249 +   Note: ISQLParam metadata can change after a parameter value has been set e.g when
250 +   setting a VARCHAR column to an integer value.
251 +
252 + 8. IStatement: can now set cursor name when opening a cursor. New overloaded method:
253 +    procedure Prepare(CursorName: AnsiString; aTransaction: ITransaction=nil); overload;
254 +   also IAttachment:
255 +    function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; CursorName: AnsiString=''): IStatement; overload;
256 +    function Prepare(transaction: ITransaction; sql: AnsiString; CursorName: AnsiString=''): IStatement; overload;
257 +    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
258 +                       aSQLDialect: integer; GenerateParamNames: boolean=false;
259 +                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
260 +    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
261 +                       GenerateParamNames: boolean=false;
262 +                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
263 +
264 + 9. Support for scrollable cursors added. New/updated methods:
265 +   IAttachment:
266 +    function HasScollableCursors: boolean;
267 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
268 +                             Scrollable: boolean=false): IResultSet; overload;
269 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
270 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
271 +                             params: array of const): IResultSet; overload;
272 +    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false;
273 +                             params: array of const): IResultSet; overload;
274 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
275 +                             params: array of const): IResultSet; overload;
276 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
277 +                             Scrollable: boolean=false): IResultSet; overload;
278 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
279 +    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean;
280 +                             params: array of const): IResultSet; overload;
281 +    function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
282 +    function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean;
283 +                             params: array of const): IResultSet; overload;
284 +   IStatement:
285 +     function OpenCursor(Scrollable: boolean; CursorName: AnsiString =''; aTransaction: ITransaction=nil): IResultSet; overload;
286 +   IResultSet:
287 +    function FetchPrior: boolean; {fetch previous record}
288 +    function FetchFirst:boolean; {fetch first record}
289 +    function FetchLast: boolean; {fetch last record}
290 +    function FetchAbsolute(position: Integer): boolean; {fetch record by its absolute position in result set}
291 +    function FetchRelative(offset: Integer): boolean; {fetch record by position relative to current}
292 +    function IsBof: boolean;
293 +
294 + 10. IArray: tidyup of SetAsString method to ensure correct handling of fixed point numbers.
295 +
296 + 11. IBUtils: TSQLTokeniser. CRLF now combined by low level parser into sqltEOL token. This
297 +    may be noticeable when a line separator occurs inside quoted text. The quoted text
298 +    output by the tokeniser will now use the platform specific lineEnding regardless
299 +    of whether the input uses the CRLF or LF as a line separator.
300 +
301 + 12. IStatement, IResultsSet: Support for scrollable cursors added (note: local databases only)
302 +
303 +
304 + FBINTF Change Log  version          (1.3-1 Build 12776) Mon, 23 Aug 2021 11:09:33 +0100
305 +
306 + 1. Integer decodes in information blocks (e.g. IDBInfoItem) widened from 32 bit to 64-bit integers.
307 +
308 + 2. Support for inline blob encoding. Blob values pass using the "SetAsString" method
309 +   will now be encoded inline (i.e. as part of the parameter buffer) if they are
310 +   shorter than a pre-set limit. Longer values continue to be saved as blobs as a
311 +   separate server interaction. This is intended as a performance optimisation.
312 +
313 +   The pre-set limit defaults to 8192 bytes and can be inspected/modified using the new
314 +   IAttachment interface functions:
315 +
316 +    function GetInlineBlobLimit: integer;
317 +    procedure SetInlineBlobLimit(limit: integer);
318 +
319 + 3. Support for Firebird 4 IBatch interface added. This is largely transparent to the API
320 +   user as the functionality is embedded in the implementation of the IStatement
321 +   interface. Three new functions are defined:
322 +
323 +    procedure AddToBatch;
324 +    function ExecuteBatch(aTransaction: ITransaction=nil): IBatchCompletion;
325 +    procedure CancelBatch;
326 +    function GetBatchCompletion: IBatchCompletion;
327 +    function GetBatchRowLimit: integer;
328 +    procedure SetBatchRowLimit(aLimit: integer);
329 +
330 +   Also
331 +
332 +    function IsInBatchMode: boolean;        {true after call to execute(eaDefer)}
333 +    function HasBatchMode: boolean;         {true if and only if IBatch Supported}
334 +
335 +   For more information see the User Guide.
336 +
337 + 4. Default error message contents. Now aligned with User Guide section 10.2 i.e. error messages
338 +   provided with the EIBInterBaseError now include all three parts.
339 +
340 + 5. Firebird.pas and include files updated to Firebird 4.0.0
341 +
342 + 6. New IStatement method: function GetSQLStatementTypeName: AnsiString;
343 +   Returns SQL Statement type as a text string;
344 +
345 + 7. ISQLData.AsInteger and AsInt64 now use "Round" to convert a float field to
346 +   an integer instead of "trunc". This is for compatibility with TFloatField.AsInteger.
347 +
348 + FBINTF Change Log  version          (1.2-1 Build 12552) Wed, 09 Jun 2021 13:05:40 +0100
349 +
350 + 1. Big fix for Firebird 4.0. A internal change in Firebird 4.0.0 from RC1 flushed out a
351 +   typo in FB30Statement.pas that caused an unknown parameter error.
352 +
353 + FBINTF Change Log  version          (1.2-0 Build 12520) Fri, 19 Feb 2021 13:27:23 +0000
354 +
355 + 1. Imported (Firebird) constants updated for Firebird 4.
356 +
357 + 2. Firebird.pas from Firebird 4 integrated into source code tree.
358 +
359 + 3. Added Support for TIMETAMP WITH TIME ZONE and TIME WITH TIME ZONE data types.
360 +
361 + 4. Added Support for SQL_DEC16, SQL_DEC34 and extended NUMERIC precision.
362 +
363 + 5. New unit 'FBClientLib.pas' added and provides new interface IFBIMasterProvider.
364 +   QueryInterface may be used to coerce this interface from IFirebirdAPI. The
365 +   interface provides a single method "function GetIMasterIntf: IMaster". This provides
366 +   type safe access to the Firebird IMaster interface and avoids the need to turn
367 +   off object checks when coercing "function GetIMaster: TObject" to IMaster.
368 +
369 + 6. New IFirebirdAPI Calls:
370 +    function HasLocalTZDB: boolean;
371 +    function HasTimeZoneSupport: boolean;
372 +    function HasExtendedTZSupport: boolean;
373 +    procedure SQLDecFloatEncode(aValue: tBCD; SQLType: cardinal; bufptr: PByte);
374 +    function SQLDecFloatDecode(SQLType: cardinal; scale: integer; bufptr: PByte): tBCD;
375 +
376 + 7. New IAttachment Calls:
377 +    function HasDecFloatSupport: boolean;
378 +    function GetTimeZoneServices: ITimeZoneServices;
379 +    function HasTimeZoneSupport: boolean;
380 +
381 + 8. New Interface ITimeZoneServices.
382 +
383 + 9. New ISQLData API Calls:
384 +    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
385 +    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
386 +    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
387 +    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
388 +    function GetAsUTCDateTime: TDateTime;
389 +    function GetAsBCD: tBCD;
390 +
391 + 10. New ISQLParam API Calls
392 +    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
393 +    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
394 +    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
395 +    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
396 +    function GetAsUTCDateTime: TDateTime;
397 +    function GetAsBCD: tBCD;
398 +    function GetStatement: IStatement;
399 +    function GetTransaction: ITransaction;
400 +    procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
401 +    procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
402 +    procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
403 +    procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
404 +    procedure SetAsUTCDateTime(aUTCTime: TDateTime);
405 +    procedure SetAsBcd(aValue: tBCD);
406 +
407 + 11. New IArray API Calls
408 +    procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
409 +    procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
410 +    procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
411 +    procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
412 +    function GetAsUTCDateTime(index: array of integer): TDateTime;
413 +    procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
414 +    procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZone: AnsiString); overload;
415 +    procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
416 +    procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
417 +
418 + 12. Utility functions in IBUtils
419 +    function ParseDateTimeTZString(aDateTimeStr: Ansistring; var aDateTime: TDateTime;
420 +              var aTimezone: AnsiString; aFormatSettings: TFormatSettings; TimeOnly: boolean=false): boolean;
421 +    procedure FBDecodeTime(aTime: TDateTime; var Hour, Minute, Second: word; var DeciMillisecond: cardinal);
422 +    function FBEncodeTime(Hour, Minute, Second, DeciMillisecond: cardinal): TDateTime;
423 +    function FBFormatDateTime(fmt: AnsiString; aDateTime: TDateTime): AnsiString;
424 +    function FormatTimeZoneOffset(EffectiveTimeOffsetMins: integer): AnsiString;
425 +    function DecodeTimeZoneOffset(TZOffset: AnsiString; var dstOffset: integer): boolean;
426 +
427 + 13. IDPB, ITPB and ISPB: new interface method
428 +      function AddByTypeName(ParamTypeName: AnsiString): IDPBItem/ITPBItem/ISPBItem;
429 +    This is used to add a parameter block item by the string equivalent of its
430 +    symbolic type name. e.g. DPB.AddByTypeName('isc_dpb_user_name').AsString := '...'
431 +
432 + 14. IDPBItem/ITPBItem/ISPBItem: new interface method:
433 +      function getParamTypeName: AnsiString;
434 +
435 + 15. fb_shutdown now called before unloading Firebird library. This can avoid a
436 +     SIGEVENT error when a programme using the embeded server is unloaded.
437 +
438 + FBINTF Change Log  version          (1.1-6 Build 12237) Tue, 21 Jul 2020 08:54:21 +0100
439 +
440 + 1. GetImplementationVersion now correctly returns '3.0' for Firebird 3 API
441 +   with a Firebrid 3 client library.
442 +
443 + 2. Linux Only: FIREBIRD environment variable is now checked when loading the client library.
444 +    If a client library path is not explicitly provided and the FIREBIRD environment
445 +    variable is set then the directory given by this variable and any 'lib' subdirectory
446 +    are searched for the Firebird client library. Only if none is found, is the default
447 +    client library used.
448 +
449 + 3.  IUtil.FormatStatus now used to format error messages when using new API
450 +
451 + 4.  Fixed Array SDL: array_desc_scale now correctly encoded as a signed integer.
452 +
453 + 5.  SQL_TEXT handling changed. When the value of an SQL_TEXT (i.e. fixed width string) column is
454 +    returned using GetAsString and the string codepage is UTF8, the string is truncated so
455 +    that the byte length corresponds to the number of characters specified for the column.
456 +    SQL_TEXT strings are no longer automatically trimmed to remove all trailing white space. This is
457 +    correct behaviour but may affect some implementations that relied upon automatic
458 +    trimming of trailing white space.
459 +
460 + 6.  New IFirebirdAPI Calls:
461 +      function GetClientMajor: integer;
462 +      function GetClientMinor: integer;
463 +
464 + 7.  IColumnMetaData and IArrayMetaData: new method
465 +      function GetCharSetWidth: integer;
466 +
467 + FBINTF Change Log  version          (1.1-5 Build 12022) Fri, 17 Apr 2020 10:35:55 +0100
468 +
469 + 1. ISQLParams.GetHasCaseSensitiveParams added. Returns true if param names are
470 +   case sensitive
471 +
472 + 2. Single line SQL comments starting with '--' are now recognised by SQL Parser.
473 +
474 + 3. New API Calls:
475 +        IColumnMetaData.GetStatement
476 +        IColumnMetaData.GetTransaction
477 +        ISQLData.GetStrDataLength
478 +        IResults.GetStatement
479 +        IAttachment.OpenBlob (using Blob metadata)
480 +        IAttachment.OpenArray (using array metadata)
481 +
482 + 4. FBMessages: removal of unused messages
483 +
484 + 5. TFBArray.Create (2nd case): ensure that FFirebirdClientAPI is correctly set.
485 +
486 + 6. TIBSQLStatementType: SQLSavePoint added to end of enumeration.
487 +
488 + FBINTF Change Log  version          (1.1-4 Build 11515)  Fri, 28 Dec 2018 10:04:19 +0000
489 +
490 + 1. Fix a problem with the SQL parameter parser that failed to recognise parameters
491 +   where the second character of the parameter name is a numeric.
492 +
493 + 2. New method for IAttachment: procedure getFBVersion(version: TStrings);
494 +   This returns the isc_version connection information as one or more lines.
495 +   This is the same information as returned by isql with the -z option.
496 +
497 + 3. If -dFIREBIRD3APIONLY is used as a compiler option then the legacy Firebird API
498 +   is no longer compiled in. Likewise, if -dLEGACYFIREBIRDAPIONLY is used as a
499 +   compiler option then the Firebird 3 API is no longer compiled in.
500 +
501 + 4. IColumnMetaData: new method.
502 +
503 +   TIBDateTimeFormats = (dfTimestamp, {SQL TIMESTAMP}
504 +                        dfDateTime,   {SQL DATETIME}
505 +                        dfTime);
506 +
507 +   function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
508 +
509 +   This returns the max. number of characters returned by the "AsString" method
510 +   when the SQL type of the column is respectively TIMESTAMP, DATETIME or TIME.
511 +
512 + 5. Additional argument for IAttachment.PrepareWithNamedParameters -
513 +     CaseSensitiveParams: boolean = false
514 +
515 +   If this argument is set to true then SQL parameter names are assumed to be case
516 +   sensitive and must be referenced (using ISQLParams.ByName) using the case
517 +   sensitive name.
518 +
519 + 6. Bug fix: when setting a query parameter, it is now possible, when the parameter
520 +   is of type VarChar or Char to set the parameter to a numeric value (e.g. using
521 +   .AsCurrency) and then subsequently to update the value to a non-numeric string
522 +   using .AsString.
523 +
524 +
525 +
526   FBINTF Change Log  version                  (1.1-3) Wed, 05 Dec 2018 14:28:10 +0000
527  
528   1. DARWIN only syntax error: fix missing semi-colon in TFBClientAPI.LoadIBLibrary

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