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Revision 221 by tony, Mon Mar 19 09:48:37 2018 UTC vs.
Revision 419 by tony, Sat Aug 5 12:42:00 2023 UTC

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1 < FBINTF Change Log  version       (1.1-2) Sat, 17 Mar 2018 17:11:58 +0000
1 > FBINTF Change Log  version          (1.4-1 Build 14019) Sat, 05 Aug 2023 13:21:51 +0100
2 >
3 > 1. FBSQLData: ensure that TResults.getSQLData and TResults.GetData use same error
4 >   checks for range checking.
5 >
6 > FBINTF Change Log  version          (1.4-0 Build 14011) Sat, 05 Aug 2023 11:09:09 +0100
7 >
8 > 1. Support package fbudr added for support of User Defined Routines (UDRs), and package
9 >   fbudrtestbed for client side debugging of UDR libraries.
10 >
11 > 2. Package layout changed with introduction of udr support. IB*.pas files moved from
12 >    root directory to "client". IBHeader moved to "Client".
13 >
14 > 3. Delphi packages: all packages now compile .dcp and .bpi files to either
15 >   fbintf\Win32\Debug or fbintf\Win64\Debug by default. Please remove any pre-existing
16 >   fbintf.dcp and fbintf.bpi files from other locations.
17 >
18 > 4. Client side journaling support added. Interface changes
19 >   IAttachment
20 >    function JournalingActive: boolean;
21 >    function GetJournalOptions: TJournalOptions;
22 >    function StartJournaling(aJournalLogFile: AnsiString): integer; overload;
23 >    function StartJournaling(aJournalLogFile: AnsiString; Options: TJournalOptions): integer; overload;
24 >    function StartJournaling(S: TStream; Options: TJournalOptions): integer; overload;
25 >    procedure StopJournaling(RetainJournal: boolean);
26 >
27 > 5. Transactions may now be given a local transaction name:
28 >   IFirebirdAPI
29 >     function StartTransaction(Attachments: array of IAttachment;
30 >             TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
31 >             TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit;
32 >             aName: AnsiString=''): ITransaction; overload;
33 >     function StartTransaction(Attachments: array of IAttachment;
34 >             TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
35 >             TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit;
36 >             aName: AnsiString=''): ITransaction; overload;
37 >
38 >   IAttachment
39 >    function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
40 >    function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
41 >    function StartTransaction(TPB: array of byte;
42 >                              DefaultCompletion: TTransactionCompletion=taCommit;
43 >                              aName: AnsiString=''): ITransaction; overload;
44 >    function StartTransaction(TPB: ITPB;
45 >                              DefaultCompletion: TTransactionCompletion=taCommit;
46 >                              aName: AnsiString=''): ITransaction; overload;
47 >
48 >  ITransaction
49 >    function GetTransactionName: AnsiString;
50 >    procedure SetTransactionName(aValue: AnsiString);
51 >
52 > 6. Additional Transaction information
53 >     ITPB.function AsText: AnsiString; {Returns TPB as a text string}
54 >
55 >   ITransaction
56 >     function GetDefaultCompletion: TTransactionCompletion;
57 >     function GetJournalingActive(attachment: IAttachment): boolean; {attachment must be specified when multi-database transaction}
58 >
59 > 7. New IAttachment helper functions
60 >     function HasTable(aTableName: AnsiString): boolean;
61 >     function HasFunction(aFunctionName: AnsiString): boolean;
62 >     function HasProcedure(aProcName: AnsiString): boolean;
63 >     function GetAttachmentID: integer;
64 >     function GetCharSetID: integer;
65 >
66 > 8. IStatement: if the BatchRowLimit is set to maxint, the maximum possible buffer size
67 >   will be allocated for batch operations.
68 >
69 > 9. IStatement, IColumnMetaData and ISQLParam all now consistently provide:
70 >    function GetStatement: IStatement;
71 >    function GetTransaction: ITransaction;
72 >    function GetAttachment: IAttachment;
73 >
74 > 10. Internal: a more disciplined approach to the handling of Firebird.IReferenceCounted
75 >    interfaces.
76 >
77 > 11. New interface type: IFBNumeric. IFBNumeric is implemented in the unit FBNumeric
78 >    and concentrates all handling of Fixed Point numbers. New ISQLItem and ISQLParam
79 >    functions getAsNumeric and setAsNumeric allow for direct retrival and manipulation
80 >    of numerics without loss of precision.
81 >
82 > 12. TryStrToNumeric and NumericToDouble moved from IBUtils to FBNumeric.
83 >
84 > 13. ISQLParams new method "Clear"
85 >
86 > 14. Connection Info (e.g. ODS Version, Remote Protocol) now retrieved on first
87 >    request rather than on attachment connect.
88 >
89 > 15. IStatus.IBDataBaseErrorMessages now defaults to [ShowIBMessage]. This reflects the
90 >    fact that SQLCodes are soon to be deprecated. In the future, the other options
91 >    will be silently ignored if SQLCode support is not present in the Firebird
92 >    Client library.
93 >
94 > 16. ITransaction changes Rollback and Commit from procedures to functions:
95 >      function Commit(Force: boolean=false): TTrCompletionState;
96 >      function Rollback(Force: boolean=false): TTrCompletionState;
97 >
98 >    Specifically, this is to allow the functions to report back a failed commit or
99 >    rollback when Force = true. In the case, the transaction handle has been
100 >    released, while the transaction remains in limbo.
101 >
102 > 17. IAttachment ExecImmediate.
103 >    When the transaction parameters are provided as an array of const and the
104 >    statement fails, the transaction is rolledback (forced) before the exception
105 >    is raised.
106 >
107 > 18. In Firebird 3 and later API: the status vector is now a thread var, as was
108 >    already the case with the legacy API. Avoids problems when calling underlying
109 >    Firebird API in multiple threads.
110 >
111 > 19. IBUtils: TSQLXMLReader: "string" type changed to "AnsiString" for compatibility
112 >    reasons.
113 >
114 > 20. IDBInformation.DecodeVersionString now supported isc_info_firebird_version.
115 >
116 > 21. TSQLXMLReader: handle 'blob' as a reserved word
117 >
118 > 22. ISQLParam.SetAsVariant now accepts a vartype of varUString (UnicodeString).
119 >
120 >
121 > FBINTF Change Log  version          (1.3-3 Build 12935) Mon, 06 Dec 2021 23:17:13 +0000
122 >
123 > 1. Fix compile error with fpc trunk (3.3.1 and later), due to type change to tzname in "unix" unit.
124 >
125 > 2. Remove constraint in IAttachment.HasScollableCursors that returned false when
126 >   using remote protocol. Scrollable cursors with remote database expected to
127 >   be support for Firebird 4.0.1 onwards. Note: Firebird 4.0.0 will return
128 >   a not supported error.
129 >
130 > 3. IStatement: new function;
131 >    TStatementFlag = (stHasCursor,stRepeatExecute,stScrollable);
132 >    TStatementFlags = set of TStatementFlag;
133 >    function GetFlags: TStatementFlags;
134 >
135 > 4. Revised behaviour for IStatement.ExecuteQuery in order to preserve backwards
136 >   compatibility.
137 >   In Firebird 5, Update..Returning may returns multiple rows and hence the statemen
138 >   type changes from ExecProcedure to Select. So that ExecuteQuery can continue
139 >   to be used with Update...Retruning statements that return a singleton row,
140 >   instead of raising an exception when ExecuteQuery is used with a (SELECT) statement,
141 >   it will open the cursor and return the first row only.
142 >
143 > 5. ITransaction: new functions:
144 >    function GetIsReadOnly: boolean;
145 >    function GetTransactionID: integer;
146 >    function GetTrInformation(Requests: array of byte): ITrInformation; overload;
147 >    function GetTrInformation(Request: byte): ITrInformation; overload;
148 >
149 >   The latter two return the Transaction Information block. The first two extract
150 >   information the Transaction Information block
151 >
152 > 6. New function TSQLTokeniser.ReadCharacters
153 >   Used internally.
154 >
155 > 7. IStatement: GetProcessedSQL bug fix. No longer raises and error if SQL contains
156 >   parameter placeholders instead of named parameters.
157 >
158 > 8. ITransaction (Firebird 3 and later): An exception raised when freeing an underlying
159 >   transaction handle is now ignored if Rollback/Commit is called with Force=true
160 >
161 > 9. Tidy up of exception handling code. Under the legacy API, fb_interpret is now
162 >   used to get an IBError Message instead of isc_interprete.
163 >
164 > 10. Internal tidyup. Native code now used for decoding integers and the events
165 >    buffer. Avoids dependencies on fbclient functions isc_portable_integer,
166 >    isc_event_block and isc_event_counts.
167 >
168 > 11. New IAttachment function
169 >     function GetAttachmentID: integer;
170 >
171 > 12. Internal changes to TFBClientAPI, TFBAttachment and TFBTransaction and TFB30
172 >    subclasses to enable UDR support.
173 >
174 > FBINTF Change Log  version          (1.3-2 Build 12889) Sun, 24 Oct 2021 13:49:28 +0100
175 >
176 > 1. TFBClientAPI.GetProcAddr. Add check for nil reference.
177 >
178 > 2. IStatement: new methods:
179 >    procedure SetStaleReferenceChecks(Enable:boolean); {default true}
180 >    function GetStaleReferenceChecks: boolean;
181 >
182 >   In previous versions, stale reference checks were always enabled. This allows the
183 >   user to disable them on a per statement basis. Note this can risk out-of-date
184 >   statement BLR. See User Guide.
185 >
186 > 3. IBUtils: TSQLwithNamedParamsTokeniser now recognises a CASE...END block within a
187 >   stored procedure and hence avoids replacing named parameters within a containing
188 >   BEGIN..END block.
189 >
190 > 4. ISQLParam: using a string value to set an integer field with a scale factor of
191 >   zero is now treated as a special case to avoid the risk of floating point
192 >   rounding errors affecting pure integers.
193 >
194 > 5. ISQLParam:  Review and tidy-up of SetAsString for numeric types.
195 >
196 > 6. ISQLParam is now subclassed from IParamMetaData, which provides access to the mutable
197 >   SQL Parameter metadata (methods moved from ISQLParam).
198 >
199 > 7. ISQLParam: new method
200 >     function getColMetadata: IParamMetaData;
201 >   This instance of IParamMetaData returns the original column metadata which is unmutable.
202 >   Note: ISQLParam metadata can change after a parameter value has been set e.g when
203 >   setting a VARCHAR column to an integer value.
204 >
205 > 8. IStatement: can now set cursor name when opening a cursor. New overloaded method:
206 >    procedure Prepare(CursorName: AnsiString; aTransaction: ITransaction=nil); overload;
207 >   also IAttachment:
208 >    function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; CursorName: AnsiString=''): IStatement; overload;
209 >    function Prepare(transaction: ITransaction; sql: AnsiString; CursorName: AnsiString=''): IStatement; overload;
210 >    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
211 >                       aSQLDialect: integer; GenerateParamNames: boolean=false;
212 >                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
213 >    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
214 >                       GenerateParamNames: boolean=false;
215 >                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
216 >
217 > 9. Support for scrollable cursors added. New/updated methods:
218 >   IAttachment:
219 >    function HasScollableCursors: boolean;
220 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
221 >                             Scrollable: boolean=false): IResultSet; overload;
222 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
223 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
224 >                             params: array of const): IResultSet; overload;
225 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false;
226 >                             params: array of const): IResultSet; overload;
227 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
228 >                             params: array of const): IResultSet; overload;
229 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
230 >                             Scrollable: boolean=false): IResultSet; overload;
231 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
232 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean;
233 >                             params: array of const): IResultSet; overload;
234 >    function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
235 >    function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean;
236 >                             params: array of const): IResultSet; overload;
237 >   IStatement:
238 >     function OpenCursor(Scrollable: boolean; CursorName: AnsiString =''; aTransaction: ITransaction=nil): IResultSet; overload;
239 >   IResultSet:
240 >    function FetchPrior: boolean; {fetch previous record}
241 >    function FetchFirst:boolean; {fetch first record}
242 >    function FetchLast: boolean; {fetch last record}
243 >    function FetchAbsolute(position: Integer): boolean; {fetch record by its absolute position in result set}
244 >    function FetchRelative(offset: Integer): boolean; {fetch record by position relative to current}
245 >    function IsBof: boolean;
246 >
247 > 10. IArray: tidyup of SetAsString method to ensure correct handling of fixed point numbers.
248 >
249 > 11. IBUtils: TSQLTokeniser. CRLF now combined by low level parser into sqltEOL token. This
250 >    may be noticeable when a line separator occurs inside quoted text. The quoted text
251 >    output by the tokeniser will now use the platform specific lineEnding regardless
252 >    of whether the input uses the CRLF or LF as a line separator.
253 >
254 > 12. IStatement, IResultsSet: Support for scrollable cursors added (note: local databases only)
255 >
256 >
257 > FBINTF Change Log  version          (1.3-1 Build 12776) Mon, 23 Aug 2021 11:09:33 +0100
258 >
259 > 1. Integer decodes in information blocks (e.g. IDBInfoItem) widened from 32 bit to 64-bit integers.
260 >
261 > 2. Support for inline blob encoding. Blob values pass using the "SetAsString" method
262 >   will now be encoded inline (i.e. as part of the parameter buffer) if they are
263 >   shorter than a pre-set limit. Longer values continue to be saved as blobs as a
264 >   separate server interaction. This is intended as a performance optimisation.
265 >
266 >   The pre-set limit defaults to 8192 bytes and can be inspected/modified using the new
267 >   IAttachment interface functions:
268 >
269 >    function GetInlineBlobLimit: integer;
270 >    procedure SetInlineBlobLimit(limit: integer);
271 >
272 > 3. Support for Firebird 4 IBatch interface added. This is largely transparent to the API
273 >   user as the functionality is embedded in the implementation of the IStatement
274 >   interface. Three new functions are defined:
275 >
276 >    procedure AddToBatch;
277 >    function ExecuteBatch(aTransaction: ITransaction=nil): IBatchCompletion;
278 >    procedure CancelBatch;
279 >    function GetBatchCompletion: IBatchCompletion;
280 >    function GetBatchRowLimit: integer;
281 >    procedure SetBatchRowLimit(aLimit: integer);
282 >
283 >   Also
284 >
285 >    function IsInBatchMode: boolean;        {true after call to execute(eaDefer)}
286 >    function HasBatchMode: boolean;         {true if and only if IBatch Supported}
287 >
288 >   For more information see the User Guide.
289 >
290 > 4. Default error message contents. Now aligned with User Guide section 10.2 i.e. error messages
291 >   provided with the EIBInterBaseError now include all three parts.
292 >
293 > 5. Firebird.pas and include files updated to Firebird 4.0.0
294 >
295 > 6. New IStatement method: function GetSQLStatementTypeName: AnsiString;
296 >   Returns SQL Statement type as a text string;
297 >
298 > 7. ISQLData.AsInteger and AsInt64 now use "Round" to convert a float field to
299 >   an integer instead of "trunc". This is for compatibility with TFloatField.AsInteger.
300 >
301 > FBINTF Change Log  version          (1.2-1 Build 12552) Wed, 09 Jun 2021 13:05:40 +0100
302 >
303 > 1. Big fix for Firebird 4.0. A internal change in Firebird 4.0.0 from RC1 flushed out a
304 >   typo in FB30Statement.pas that caused an unknown parameter error.
305 >
306 > FBINTF Change Log  version          (1.2-0 Build 12520) Fri, 19 Feb 2021 13:27:23 +0000
307 >
308 > 1. Imported (Firebird) constants updated for Firebird 4.
309 >
310 > 2. Firebird.pas from Firebird 4 integrated into source code tree.
311 >
312 > 3. Added Support for TIMETAMP WITH TIME ZONE and TIME WITH TIME ZONE data types.
313 >
314 > 4. Added Support for SQL_DEC16, SQL_DEC34 and extended NUMERIC precision.
315 >
316 > 5. New unit 'FBClientLib.pas' added and provides new interface IFBIMasterProvider.
317 >   QueryInterface may be used to coerce this interface from IFirebirdAPI. The
318 >   interface provides a single method "function GetIMasterIntf: IMaster". This provides
319 >   type safe access to the Firebird IMaster interface and avoids the need to turn
320 >   off object checks when coercing "function GetIMaster: TObject" to IMaster.
321 >
322 > 6. New IFirebirdAPI Calls:
323 >    function HasLocalTZDB: boolean;
324 >    function HasTimeZoneSupport: boolean;
325 >    function HasExtendedTZSupport: boolean;
326 >    procedure SQLDecFloatEncode(aValue: tBCD; SQLType: cardinal; bufptr: PByte);
327 >    function SQLDecFloatDecode(SQLType: cardinal; scale: integer; bufptr: PByte): tBCD;
328 >
329 > 7. New IAttachment Calls:
330 >    function HasDecFloatSupport: boolean;
331 >    function GetTimeZoneServices: ITimeZoneServices;
332 >    function HasTimeZoneSupport: boolean;
333 >
334 > 8. New Interface ITimeZoneServices.
335 >
336 > 9. New ISQLData API Calls:
337 >    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
338 >    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
339 >    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
340 >    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
341 >    function GetAsUTCDateTime: TDateTime;
342 >    function GetAsBCD: tBCD;
343 >
344 > 10. New ISQLParam API Calls
345 >    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
346 >    procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
347 >    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
348 >    procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
349 >    function GetAsUTCDateTime: TDateTime;
350 >    function GetAsBCD: tBCD;
351 >    function GetStatement: IStatement;
352 >    function GetTransaction: ITransaction;
353 >    procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
354 >    procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
355 >    procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
356 >    procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
357 >    procedure SetAsUTCDateTime(aUTCTime: TDateTime);
358 >    procedure SetAsBcd(aValue: tBCD);
359 >
360 > 11. New IArray API Calls
361 >    procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
362 >    procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
363 >    procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
364 >    procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
365 >    function GetAsUTCDateTime(index: array of integer): TDateTime;
366 >    procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
367 >    procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZone: AnsiString); overload;
368 >    procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
369 >    procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
370 >
371 > 12. Utility functions in IBUtils
372 >    function ParseDateTimeTZString(aDateTimeStr: Ansistring; var aDateTime: TDateTime;
373 >              var aTimezone: AnsiString; aFormatSettings: TFormatSettings; TimeOnly: boolean=false): boolean;
374 >    procedure FBDecodeTime(aTime: TDateTime; var Hour, Minute, Second: word; var DeciMillisecond: cardinal);
375 >    function FBEncodeTime(Hour, Minute, Second, DeciMillisecond: cardinal): TDateTime;
376 >    function FBFormatDateTime(fmt: AnsiString; aDateTime: TDateTime): AnsiString;
377 >    function FormatTimeZoneOffset(EffectiveTimeOffsetMins: integer): AnsiString;
378 >    function DecodeTimeZoneOffset(TZOffset: AnsiString; var dstOffset: integer): boolean;
379 >
380 > 13. IDPB, ITPB and ISPB: new interface method
381 >      function AddByTypeName(ParamTypeName: AnsiString): IDPBItem/ITPBItem/ISPBItem;
382 >    This is used to add a parameter block item by the string equivalent of its
383 >    symbolic type name. e.g. DPB.AddByTypeName('isc_dpb_user_name').AsString := '...'
384 >
385 > 14. IDPBItem/ITPBItem/ISPBItem: new interface method:
386 >      function getParamTypeName: AnsiString;
387 >
388 > 15. fb_shutdown now called before unloading Firebird library. This can avoid a
389 >     SIGEVENT error when a programme using the embeded server is unloaded.
390 >
391 > FBINTF Change Log  version          (1.1-6 Build 12237) Tue, 21 Jul 2020 08:54:21 +0100
392 >
393 > 1. GetImplementationVersion now correctly returns '3.0' for Firebird 3 API
394 >   with a Firebrid 3 client library.
395 >
396 > 2. Linux Only: FIREBIRD environment variable is now checked when loading the client library.
397 >    If a client library path is not explicitly provided and the FIREBIRD environment
398 >    variable is set then the directory given by this variable and any 'lib' subdirectory
399 >    are searched for the Firebird client library. Only if none is found, is the default
400 >    client library used.
401 >
402 > 3.  IUtil.FormatStatus now used to format error messages when using new API
403 >
404 > 4.  Fixed Array SDL: array_desc_scale now correctly encoded as a signed integer.
405 >
406 > 5.  SQL_TEXT handling changed. When the value of an SQL_TEXT (i.e. fixed width string) column is
407 >    returned using GetAsString and the string codepage is UTF8, the string is truncated so
408 >    that the byte length corresponds to the number of characters specified for the column.
409 >    SQL_TEXT strings are no longer automatically trimmed to remove all trailing white space. This is
410 >    correct behaviour but may affect some implementations that relied upon automatic
411 >    trimming of trailing white space.
412 >
413 > 6.  New IFirebirdAPI Calls:
414 >      function GetClientMajor: integer;
415 >      function GetClientMinor: integer;
416 >
417 > 7.  IColumnMetaData and IArrayMetaData: new method
418 >      function GetCharSetWidth: integer;
419 >
420 > FBINTF Change Log  version          (1.1-5 Build 12022) Fri, 17 Apr 2020 10:35:55 +0100
421 >
422 > 1. ISQLParams.GetHasCaseSensitiveParams added. Returns true if param names are
423 >   case sensitive
424 >
425 > 2. Single line SQL comments starting with '--' are now recognised by SQL Parser.
426 >
427 > 3. New API Calls:
428 >        IColumnMetaData.GetStatement
429 >        IColumnMetaData.GetTransaction
430 >        ISQLData.GetStrDataLength
431 >        IResults.GetStatement
432 >        IAttachment.OpenBlob (using Blob metadata)
433 >        IAttachment.OpenArray (using array metadata)
434 >
435 > 4. FBMessages: removal of unused messages
436 >
437 > 5. TFBArray.Create (2nd case): ensure that FFirebirdClientAPI is correctly set.
438 >
439 > 6. TIBSQLStatementType: SQLSavePoint added to end of enumeration.
440 >
441 > FBINTF Change Log  version          (1.1-4 Build 11515)  Fri, 28 Dec 2018 10:04:19 +0000
442 >
443 > 1. Fix a problem with the SQL parameter parser that failed to recognise parameters
444 >   where the second character of the parameter name is a numeric.
445 >
446 > 2. New method for IAttachment: procedure getFBVersion(version: TStrings);
447 >   This returns the isc_version connection information as one or more lines.
448 >   This is the same information as returned by isql with the -z option.
449 >
450 > 3. If -dFIREBIRD3APIONLY is used as a compiler option then the legacy Firebird API
451 >   is no longer compiled in. Likewise, if -dLEGACYFIREBIRDAPIONLY is used as a
452 >   compiler option then the Firebird 3 API is no longer compiled in.
453 >
454 > 4. IColumnMetaData: new method.
455 >
456 >   TIBDateTimeFormats = (dfTimestamp, {SQL TIMESTAMP}
457 >                        dfDateTime,   {SQL DATETIME}
458 >                        dfTime);
459 >
460 >   function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
461 >
462 >   This returns the max. number of characters returned by the "AsString" method
463 >   when the SQL type of the column is respectively TIMESTAMP, DATETIME or TIME.
464 >
465 > 5. Additional argument for IAttachment.PrepareWithNamedParameters -
466 >     CaseSensitiveParams: boolean = false
467 >
468 >   If this argument is set to true then SQL parameter names are assumed to be case
469 >   sensitive and must be referenced (using ISQLParams.ByName) using the case
470 >   sensitive name.
471 >
472 > 6. Bug fix: when setting a query parameter, it is now possible, when the parameter
473 >   is of type VarChar or Char to set the parameter to a numeric value (e.g. using
474 >   .AsCurrency) and then subsequently to update the value to a non-numeric string
475 >   using .AsString.
476 >
477 >
478 >
479 > FBINTF Change Log  version                  (1.1-3) Wed, 05 Dec 2018 14:28:10 +0000
480 >
481 > 1. DARWIN only syntax error: fix missing semi-colon in TFBClientAPI.LoadIBLibrary
482 >
483 > 2. Restrict IsMultiThread check to Unix only for compatibility with
484 >   https://bugs.freepascal.org/view.php?id=30535
485 >
486 > 3. New SQL Tokeniser added to IBUtils. This is used to pre-process SQL with
487 >   named parameters and is intended to avoid problems with (e.g.) Execute Block
488 >   and processing internal parameters as statement parameters.
489 >
490 > 4. New interface IFirebirdLibrary provides access to the underlying firebird DLL
491 >   or shared object. Available via a new member (GetFBLibrary) of IFirebirdAPI.
492 >
493 > 5. New function added to IB.pas
494 >
495 >   function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary
496 >
497 >   This allows a Firebird Library to be loaded from an explicit path. use the
498 >   IFirebirdLibrary.GetFirebirdAPI member function to get the Firebird API using
499 >   the library. It is possible to load Firebird libraries from different locations
500 >   simultaneously, each with a distinct IFirebirdAPI.
501 >
502 > FBINTF Change Log  version               (1.1-2) Mon, 16 Apr 2018 09:30:32 +0100
503  
504   1. Firebird.pas: {$OBJECTCHECKS OFF} added to file to avoid runtime error when
505     program compiled with -CR command line switch.
# Line 27 | Line 528 | FBINTF Change Log  version       (1.1-2)
528  
529   10. Testsuite Test10 updated to include thread synchronisation for event reporting.
530  
531 + 11. URL Connection Strings: inet4 and inet6 now recognised.
532 +
533 + 12. IBUtils: Parse and Make Connect String now recognise URL style loopback syntax.
534 +
535 + 13. IAttachment.CharSetName2CharSetID is now performed case insensitive.
536 +
537  
538   FBINTF Change Log  version (1.1-1) Tue, 27 Feb 2018 16:51:16 +0000
539  

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