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Revision: 410
Committed: Thu Jun 22 13:52:39 2023 UTC (17 months ago) by tony
File size: 35009 byte(s)
Log Message:
Release 2.6.0 beta

File Contents

# Content
1 FBINTF Change Log version (1.4-0 Build 13979) Sat, 17 Jun 2023 15:14:25 +0100
2
3 1. Support package fbudr added for support of User Defined Routines (UDRs), and package
4 fbudrtestbed for client side debugging of UDR libraries.
5
6 2. Package layout changed with introduction of udr support. IB*.pas files moved from
7 root directory to "client". IBHeader moved to "Client".
8
9 3. Delphi packages: all packages now compile .dcp and .bpi files to either
10 fbintf\Win32\Debug or fbintf\Win64\Debug by default. Please remove any pre-existing
11 fbintf.dcp and fbintf.bpi files from other locations.
12
13 4. Client side journaling support added. Interface changes
14 IAttachment
15 function JournalingActive: boolean;
16 function GetJournalOptions: TJournalOptions;
17 function StartJournaling(aJournalLogFile: AnsiString): integer; overload;
18 function StartJournaling(aJournalLogFile: AnsiString; Options: TJournalOptions): integer; overload;
19 function StartJournaling(S: TStream; Options: TJournalOptions): integer; overload;
20 procedure StopJournaling(RetainJournal: boolean);
21
22 5. Transactions may now be given a local transaction name:
23 IFirebirdAPI
24 function StartTransaction(Attachments: array of IAttachment;
25 TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
26 TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit;
27 aName: AnsiString=''): ITransaction; overload;
28 function StartTransaction(Attachments: array of IAttachment;
29 TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
30 TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit;
31 aName: AnsiString=''): ITransaction; overload;
32
33 IAttachment
34 function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
35 function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
36 function StartTransaction(TPB: array of byte;
37 DefaultCompletion: TTransactionCompletion=taCommit;
38 aName: AnsiString=''): ITransaction; overload;
39 function StartTransaction(TPB: ITPB;
40 DefaultCompletion: TTransactionCompletion=taCommit;
41 aName: AnsiString=''): ITransaction; overload;
42
43 ITransaction
44 function GetTransactionName: AnsiString;
45 procedure SetTransactionName(aValue: AnsiString);
46
47 6. Additional Transaction information
48 ITPB.function AsText: AnsiString; {Returns TPB as a text string}
49
50 ITransaction
51 function GetDefaultCompletion: TTransactionCompletion;
52 function GetJournalingActive(attachment: IAttachment): boolean; {attachment must be specified when multi-database transaction}
53
54 7. New IAttachment helper functions
55 function HasTable(aTableName: AnsiString): boolean;
56 function HasFunction(aFunctionName: AnsiString): boolean;
57 function HasProcedure(aProcName: AnsiString): boolean;
58 function GetAttachmentID: integer;
59 function GetCharSetID: integer;
60
61 8. IStatement: if the BatchRowLimit is set to maxint, the maximum possible buffer size
62 will be allocated for batch operations.
63
64 9. IStatement, IColumnMetaData and ISQLParam all now consistently provide:
65 function GetStatement: IStatement;
66 function GetTransaction: ITransaction;
67 function GetAttachment: IAttachment;
68
69 10. Internal: a more disciplined approach to the handling of Firebird.IReferenceCounted
70 interfaces.
71
72 11. New interface type: IFBNumeric. IFBNumeric is implemented in the unit FBNumeric
73 and concentrates all handling of Fixed Point numbers. New ISQLItem and ISQLParam
74 functions getAsNumeric and setAsNumeric allow for direct retrival and manipulation
75 of numerics without loss of precision.
76
77 12. TryStrToNumeric and NumericToDouble moved from IBUtils to FBNumeric.
78
79 13. ISQLParams new method "Clear"
80
81 14. Connection Info (e.g. ODS Version, Remote Protocol) now retrieved on first
82 request rather than on attachment connect.
83
84 15. IStatus.IBDataBaseErrorMessages now defaults to [ShowIBMessage]. This reflects the
85 fact that SQLCodes are soon to be deprecated. In the future, the other options
86 will be silently ignored if SQLCode support is not present in the Firebird
87 Client library.
88
89 16. ITransaction changes Rollback and Commit from procedures to functions:
90 function Commit(Force: boolean=false): TTrCompletionState;
91 function Rollback(Force: boolean=false): TTrCompletionState;
92
93 Specifically, this is to allow the functions to report back a failed commit or
94 rollback when Force = true. In the case, the transaction handle has been
95 released, while the transaction remains in limbo.
96
97 17. IAttachment ExecImmediate.
98 When the transaction parameters are provided as an array of const and the
99 statement fails, the transaction is rolledback (forced) before the exception
100 is raised.
101
102 18. In Firebird 3 and later API: the status vector is now a thread var, as was
103 already the case with the legacy API. Avoids problems when calling underlying
104 Firebird API in multiple threads.
105
106 19. IBUtils: TSQLXMLReader: "string" type changed to "AnsiString" for compatibility
107 reasons.
108
109 20. IDBInformation.DecodeVersionString now supported isc_info_firebird_version.
110
111 21. TSQLXMLReader: handle 'blob' as a reserved word
112
113 22. ISQLParam.SetAsVariant now accepts a vartype of varUString (UnicodeString).
114
115
116 FBINTF Change Log version (1.3-3 Build 12935) Mon, 06 Dec 2021 23:17:13 +0000
117
118 1. Fix compile error with fpc trunk (3.3.1 and later), due to type change to tzname in "unix" unit.
119
120 2. Remove constraint in IAttachment.HasScollableCursors that returned false when
121 using remote protocol. Scrollable cursors with remote database expected to
122 be support for Firebird 4.0.1 onwards. Note: Firebird 4.0.0 will return
123 a not supported error.
124
125 3. IStatement: new function;
126 TStatementFlag = (stHasCursor,stRepeatExecute,stScrollable);
127 TStatementFlags = set of TStatementFlag;
128 function GetFlags: TStatementFlags;
129
130 4. Revised behaviour for IStatement.ExecuteQuery in order to preserve backwards
131 compatibility.
132 In Firebird 5, Update..Returning may returns multiple rows and hence the statemen
133 type changes from ExecProcedure to Select. So that ExecuteQuery can continue
134 to be used with Update...Retruning statements that return a singleton row,
135 instead of raising an exception when ExecuteQuery is used with a (SELECT) statement,
136 it will open the cursor and return the first row only.
137
138 5. ITransaction: new functions:
139 function GetIsReadOnly: boolean;
140 function GetTransactionID: integer;
141 function GetTrInformation(Requests: array of byte): ITrInformation; overload;
142 function GetTrInformation(Request: byte): ITrInformation; overload;
143
144 The latter two return the Transaction Information block. The first two extract
145 information the Transaction Information block
146
147 6. New function TSQLTokeniser.ReadCharacters
148 Used internally.
149
150 7. IStatement: GetProcessedSQL bug fix. No longer raises and error if SQL contains
151 parameter placeholders instead of named parameters.
152
153 8. ITransaction (Firebird 3 and later): An exception raised when freeing an underlying
154 transaction handle is now ignored if Rollback/Commit is called with Force=true
155
156 9. Tidy up of exception handling code. Under the legacy API, fb_interpret is now
157 used to get an IBError Message instead of isc_interprete.
158
159 10. Internal tidyup. Native code now used for decoding integers and the events
160 buffer. Avoids dependencies on fbclient functions isc_portable_integer,
161 isc_event_block and isc_event_counts.
162
163 11. New IAttachment function
164 function GetAttachmentID: integer;
165
166 12. Internal changes to TFBClientAPI, TFBAttachment and TFBTransaction and TFB30
167 subclasses to enable UDR support.
168
169 FBINTF Change Log version (1.3-2 Build 12889) Sun, 24 Oct 2021 13:49:28 +0100
170
171 1. TFBClientAPI.GetProcAddr. Add check for nil reference.
172
173 2. IStatement: new methods:
174 procedure SetStaleReferenceChecks(Enable:boolean); {default true}
175 function GetStaleReferenceChecks: boolean;
176
177 In previous versions, stale reference checks were always enabled. This allows the
178 user to disable them on a per statement basis. Note this can risk out-of-date
179 statement BLR. See User Guide.
180
181 3. IBUtils: TSQLwithNamedParamsTokeniser now recognises a CASE...END block within a
182 stored procedure and hence avoids replacing named parameters within a containing
183 BEGIN..END block.
184
185 4. ISQLParam: using a string value to set an integer field with a scale factor of
186 zero is now treated as a special case to avoid the risk of floating point
187 rounding errors affecting pure integers.
188
189 5. ISQLParam: Review and tidy-up of SetAsString for numeric types.
190
191 6. ISQLParam is now subclassed from IParamMetaData, which provides access to the mutable
192 SQL Parameter metadata (methods moved from ISQLParam).
193
194 7. ISQLParam: new method
195 function getColMetadata: IParamMetaData;
196 This instance of IParamMetaData returns the original column metadata which is unmutable.
197 Note: ISQLParam metadata can change after a parameter value has been set e.g when
198 setting a VARCHAR column to an integer value.
199
200 8. IStatement: can now set cursor name when opening a cursor. New overloaded method:
201 procedure Prepare(CursorName: AnsiString; aTransaction: ITransaction=nil); overload;
202 also IAttachment:
203 function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; CursorName: AnsiString=''): IStatement; overload;
204 function Prepare(transaction: ITransaction; sql: AnsiString; CursorName: AnsiString=''): IStatement; overload;
205 function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
206 aSQLDialect: integer; GenerateParamNames: boolean=false;
207 CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
208 function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
209 GenerateParamNames: boolean=false;
210 CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
211
212 9. Support for scrollable cursors added. New/updated methods:
213 IAttachment:
214 function HasScollableCursors: boolean;
215 function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
216 Scrollable: boolean=false): IResultSet; overload;
217 function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
218 function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
219 params: array of const): IResultSet; overload;
220 function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false;
221 params: array of const): IResultSet; overload;
222 function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
223 params: array of const): IResultSet; overload;
224 function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
225 Scrollable: boolean=false): IResultSet; overload;
226 function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
227 function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean;
228 params: array of const): IResultSet; overload;
229 function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
230 function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean;
231 params: array of const): IResultSet; overload;
232 IStatement:
233 function OpenCursor(Scrollable: boolean; CursorName: AnsiString =''; aTransaction: ITransaction=nil): IResultSet; overload;
234 IResultSet:
235 function FetchPrior: boolean; {fetch previous record}
236 function FetchFirst:boolean; {fetch first record}
237 function FetchLast: boolean; {fetch last record}
238 function FetchAbsolute(position: Integer): boolean; {fetch record by its absolute position in result set}
239 function FetchRelative(offset: Integer): boolean; {fetch record by position relative to current}
240 function IsBof: boolean;
241
242 10. IArray: tidyup of SetAsString method to ensure correct handling of fixed point numbers.
243
244 11. IBUtils: TSQLTokeniser. CRLF now combined by low level parser into sqltEOL token. This
245 may be noticeable when a line separator occurs inside quoted text. The quoted text
246 output by the tokeniser will now use the platform specific lineEnding regardless
247 of whether the input uses the CRLF or LF as a line separator.
248
249 12. IStatement, IResultsSet: Support for scrollable cursors added (note: local databases only)
250
251
252 FBINTF Change Log version (1.3-1 Build 12776) Mon, 23 Aug 2021 11:09:33 +0100
253
254 1. Integer decodes in information blocks (e.g. IDBInfoItem) widened from 32 bit to 64-bit integers.
255
256 2. Support for inline blob encoding. Blob values pass using the "SetAsString" method
257 will now be encoded inline (i.e. as part of the parameter buffer) if they are
258 shorter than a pre-set limit. Longer values continue to be saved as blobs as a
259 separate server interaction. This is intended as a performance optimisation.
260
261 The pre-set limit defaults to 8192 bytes and can be inspected/modified using the new
262 IAttachment interface functions:
263
264 function GetInlineBlobLimit: integer;
265 procedure SetInlineBlobLimit(limit: integer);
266
267 3. Support for Firebird 4 IBatch interface added. This is largely transparent to the API
268 user as the functionality is embedded in the implementation of the IStatement
269 interface. Three new functions are defined:
270
271 procedure AddToBatch;
272 function ExecuteBatch(aTransaction: ITransaction=nil): IBatchCompletion;
273 procedure CancelBatch;
274 function GetBatchCompletion: IBatchCompletion;
275 function GetBatchRowLimit: integer;
276 procedure SetBatchRowLimit(aLimit: integer);
277
278 Also
279
280 function IsInBatchMode: boolean; {true after call to execute(eaDefer)}
281 function HasBatchMode: boolean; {true if and only if IBatch Supported}
282
283 For more information see the User Guide.
284
285 4. Default error message contents. Now aligned with User Guide section 10.2 i.e. error messages
286 provided with the EIBInterBaseError now include all three parts.
287
288 5. Firebird.pas and include files updated to Firebird 4.0.0
289
290 6. New IStatement method: function GetSQLStatementTypeName: AnsiString;
291 Returns SQL Statement type as a text string;
292
293 7. ISQLData.AsInteger and AsInt64 now use "Round" to convert a float field to
294 an integer instead of "trunc". This is for compatibility with TFloatField.AsInteger.
295
296 FBINTF Change Log version (1.2-1 Build 12552) Wed, 09 Jun 2021 13:05:40 +0100
297
298 1. Big fix for Firebird 4.0. A internal change in Firebird 4.0.0 from RC1 flushed out a
299 typo in FB30Statement.pas that caused an unknown parameter error.
300
301 FBINTF Change Log version (1.2-0 Build 12520) Fri, 19 Feb 2021 13:27:23 +0000
302
303 1. Imported (Firebird) constants updated for Firebird 4.
304
305 2. Firebird.pas from Firebird 4 integrated into source code tree.
306
307 3. Added Support for TIMETAMP WITH TIME ZONE and TIME WITH TIME ZONE data types.
308
309 4. Added Support for SQL_DEC16, SQL_DEC34 and extended NUMERIC precision.
310
311 5. New unit 'FBClientLib.pas' added and provides new interface IFBIMasterProvider.
312 QueryInterface may be used to coerce this interface from IFirebirdAPI. The
313 interface provides a single method "function GetIMasterIntf: IMaster". This provides
314 type safe access to the Firebird IMaster interface and avoids the need to turn
315 off object checks when coercing "function GetIMaster: TObject" to IMaster.
316
317 6. New IFirebirdAPI Calls:
318 function HasLocalTZDB: boolean;
319 function HasTimeZoneSupport: boolean;
320 function HasExtendedTZSupport: boolean;
321 procedure SQLDecFloatEncode(aValue: tBCD; SQLType: cardinal; bufptr: PByte);
322 function SQLDecFloatDecode(SQLType: cardinal; scale: integer; bufptr: PByte): tBCD;
323
324 7. New IAttachment Calls:
325 function HasDecFloatSupport: boolean;
326 function GetTimeZoneServices: ITimeZoneServices;
327 function HasTimeZoneSupport: boolean;
328
329 8. New Interface ITimeZoneServices.
330
331 9. New ISQLData API Calls:
332 procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
333 procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
334 procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
335 procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
336 function GetAsUTCDateTime: TDateTime;
337 function GetAsBCD: tBCD;
338
339 10. New ISQLParam API Calls
340 procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
341 procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
342 procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
343 procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
344 function GetAsUTCDateTime: TDateTime;
345 function GetAsBCD: tBCD;
346 function GetStatement: IStatement;
347 function GetTransaction: ITransaction;
348 procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
349 procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
350 procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
351 procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
352 procedure SetAsUTCDateTime(aUTCTime: TDateTime);
353 procedure SetAsBcd(aValue: tBCD);
354
355 11. New IArray API Calls
356 procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
357 procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
358 procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
359 procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
360 function GetAsUTCDateTime(index: array of integer): TDateTime;
361 procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
362 procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZone: AnsiString); overload;
363 procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
364 procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
365
366 12. Utility functions in IBUtils
367 function ParseDateTimeTZString(aDateTimeStr: Ansistring; var aDateTime: TDateTime;
368 var aTimezone: AnsiString; aFormatSettings: TFormatSettings; TimeOnly: boolean=false): boolean;
369 procedure FBDecodeTime(aTime: TDateTime; var Hour, Minute, Second: word; var DeciMillisecond: cardinal);
370 function FBEncodeTime(Hour, Minute, Second, DeciMillisecond: cardinal): TDateTime;
371 function FBFormatDateTime(fmt: AnsiString; aDateTime: TDateTime): AnsiString;
372 function FormatTimeZoneOffset(EffectiveTimeOffsetMins: integer): AnsiString;
373 function DecodeTimeZoneOffset(TZOffset: AnsiString; var dstOffset: integer): boolean;
374
375 13. IDPB, ITPB and ISPB: new interface method
376 function AddByTypeName(ParamTypeName: AnsiString): IDPBItem/ITPBItem/ISPBItem;
377 This is used to add a parameter block item by the string equivalent of its
378 symbolic type name. e.g. DPB.AddByTypeName('isc_dpb_user_name').AsString := '...'
379
380 14. IDPBItem/ITPBItem/ISPBItem: new interface method:
381 function getParamTypeName: AnsiString;
382
383 15. fb_shutdown now called before unloading Firebird library. This can avoid a
384 SIGEVENT error when a programme using the embeded server is unloaded.
385
386 FBINTF Change Log version (1.1-6 Build 12237) Tue, 21 Jul 2020 08:54:21 +0100
387
388 1. GetImplementationVersion now correctly returns '3.0' for Firebird 3 API
389 with a Firebrid 3 client library.
390
391 2. Linux Only: FIREBIRD environment variable is now checked when loading the client library.
392 If a client library path is not explicitly provided and the FIREBIRD environment
393 variable is set then the directory given by this variable and any 'lib' subdirectory
394 are searched for the Firebird client library. Only if none is found, is the default
395 client library used.
396
397 3. IUtil.FormatStatus now used to format error messages when using new API
398
399 4. Fixed Array SDL: array_desc_scale now correctly encoded as a signed integer.
400
401 5. SQL_TEXT handling changed. When the value of an SQL_TEXT (i.e. fixed width string) column is
402 returned using GetAsString and the string codepage is UTF8, the string is truncated so
403 that the byte length corresponds to the number of characters specified for the column.
404 SQL_TEXT strings are no longer automatically trimmed to remove all trailing white space. This is
405 correct behaviour but may affect some implementations that relied upon automatic
406 trimming of trailing white space.
407
408 6. New IFirebirdAPI Calls:
409 function GetClientMajor: integer;
410 function GetClientMinor: integer;
411
412 7. IColumnMetaData and IArrayMetaData: new method
413 function GetCharSetWidth: integer;
414
415 FBINTF Change Log version (1.1-5 Build 12022) Fri, 17 Apr 2020 10:35:55 +0100
416
417 1. ISQLParams.GetHasCaseSensitiveParams added. Returns true if param names are
418 case sensitive
419
420 2. Single line SQL comments starting with '--' are now recognised by SQL Parser.
421
422 3. New API Calls:
423 IColumnMetaData.GetStatement
424 IColumnMetaData.GetTransaction
425 ISQLData.GetStrDataLength
426 IResults.GetStatement
427 IAttachment.OpenBlob (using Blob metadata)
428 IAttachment.OpenArray (using array metadata)
429
430 4. FBMessages: removal of unused messages
431
432 5. TFBArray.Create (2nd case): ensure that FFirebirdClientAPI is correctly set.
433
434 6. TIBSQLStatementType: SQLSavePoint added to end of enumeration.
435
436 FBINTF Change Log version (1.1-4 Build 11515) Fri, 28 Dec 2018 10:04:19 +0000
437
438 1. Fix a problem with the SQL parameter parser that failed to recognise parameters
439 where the second character of the parameter name is a numeric.
440
441 2. New method for IAttachment: procedure getFBVersion(version: TStrings);
442 This returns the isc_version connection information as one or more lines.
443 This is the same information as returned by isql with the -z option.
444
445 3. If -dFIREBIRD3APIONLY is used as a compiler option then the legacy Firebird API
446 is no longer compiled in. Likewise, if -dLEGACYFIREBIRDAPIONLY is used as a
447 compiler option then the Firebird 3 API is no longer compiled in.
448
449 4. IColumnMetaData: new method.
450
451 TIBDateTimeFormats = (dfTimestamp, {SQL TIMESTAMP}
452 dfDateTime, {SQL DATETIME}
453 dfTime);
454
455 function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
456
457 This returns the max. number of characters returned by the "AsString" method
458 when the SQL type of the column is respectively TIMESTAMP, DATETIME or TIME.
459
460 5. Additional argument for IAttachment.PrepareWithNamedParameters -
461 CaseSensitiveParams: boolean = false
462
463 If this argument is set to true then SQL parameter names are assumed to be case
464 sensitive and must be referenced (using ISQLParams.ByName) using the case
465 sensitive name.
466
467 6. Bug fix: when setting a query parameter, it is now possible, when the parameter
468 is of type VarChar or Char to set the parameter to a numeric value (e.g. using
469 .AsCurrency) and then subsequently to update the value to a non-numeric string
470 using .AsString.
471
472
473
474 FBINTF Change Log version (1.1-3) Wed, 05 Dec 2018 14:28:10 +0000
475
476 1. DARWIN only syntax error: fix missing semi-colon in TFBClientAPI.LoadIBLibrary
477
478 2. Restrict IsMultiThread check to Unix only for compatibility with
479 https://bugs.freepascal.org/view.php?id=30535
480
481 3. New SQL Tokeniser added to IBUtils. This is used to pre-process SQL with
482 named parameters and is intended to avoid problems with (e.g.) Execute Block
483 and processing internal parameters as statement parameters.
484
485 4. New interface IFirebirdLibrary provides access to the underlying firebird DLL
486 or shared object. Available via a new member (GetFBLibrary) of IFirebirdAPI.
487
488 5. New function added to IB.pas
489
490 function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary
491
492 This allows a Firebird Library to be loaded from an explicit path. use the
493 IFirebirdLibrary.GetFirebirdAPI member function to get the Firebird API using
494 the library. It is possible to load Firebird libraries from different locations
495 simultaneously, each with a distinct IFirebirdAPI.
496
497 FBINTF Change Log version (1.1-2) Mon, 16 Apr 2018 09:30:32 +0100
498
499 1. Firebird.pas: {$OBJECTCHECKS OFF} added to file to avoid runtime error when
500 program compiled with -CR command line switch.
501
502 2. IServiceManager additions (informational):
503 function getProtocol: TProtocol;
504 function getPortNo: AnsiString;
505
506 3. IServiceManager improved error handling. Interfaces changed:
507 function Start(Request: ISRB; RaiseExceptionOnError: boolean=true): boolean;
508 function Query(SQPB: ISQPB; Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
509 function Query(Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
510
511 4. IAttachment addition (informational)
512 function GetSecurityDatabase: AnsiString;
513
514 5. IStatement: performance counters now updated after each Fetch. GetPerfStatistics
515 thus now returns accumulated stats for a select statement from opening a cursor
516 up to the last fetch.
517
518 6. DARWIN: uloadlibrary.inc bug fix. Many thanks to Luigi Naimi for correcting
519 the problem.
520
521 7. Type change: "TPerfCounters = array[TPerfStats] of Int64". Note "Int64"
522 replaces deprecated "comp" type.
523
524 10. Testsuite Test10 updated to include thread synchronisation for event reporting.
525
526 11. URL Connection Strings: inet4 and inet6 now recognised.
527
528 12. IBUtils: Parse and Make Connect String now recognise URL style loopback syntax.
529
530 13. IAttachment.CharSetName2CharSetID is now performed case insensitive.
531
532
533 FBINTF Change Log version (1.1-1) Tue, 27 Feb 2018 16:51:16 +0000
534
535 1. IBUtils.QuoteIdentifierIfNeeded: Add check for space character.
536
537 2. IAttachment: add two new methods
538 function HasDefaultCharSet: boolean;
539 function GetDefaultCharSetID: integer;
540
541 These return, respectively, true if a connection default character set was
542 specified and the character set id of the connection default character set.
543 The DefaultCharSetID is cached when the connection is opened and hence does not
544 require a database lookup.
545
546 3. Avoid exception when a text blob is a stored procedure parameter.
547
548 4. Update test suite to include a test for a stored proc returning a text blob.
549
550 5. IAttachment: add
551 function GetRemoteProtocol: AnsiString;
552 function GetODSMajorVersion: integer;
553 function GetODSMinorVersion: integer;
554 function GetAuthenticationMethod: AnsiString;
555
556 These results are cached when the connection is opened and hence do not
557 require a database lookup.
558
559 6. IAttachment: add "function GetConnectString: AnsiString;" This returns the
560 connect string used to create/connect to the database.
561
562 7. IAttachment: Create Database using SQL statement. The username and password
563 are now extracted and used to populate a DPB made available via IAttachment.getDPB.
564 It is now possible to use IAttachment disconnect/connect to reconnect to
565 a database for which the initial connection was established by a create
566 database sql statement. Available in FPC only.
567
568 8. Update Test 1 to test 5, 6 and 7 above.
569
570 9. IBUtils code tidy up.
571
572 10. Parameter Block interfaces "find" method. As documented, this should have
573 returned a nil interface when the item could not be found. Instead, an empty
574 interface item was returned. "Find" now works as documented and will return
575 a nil interface if the item cannot be found.
576
577 11. DBInformation: support added for isc_info_active_tran_count and isc_info_creation_date.
578
579 12. DBInformation: New interfaces: IDIRB and IDIRBItem added to support DB Information
580 requests with additional parameters. This is to enable support for fb_info_page_contents
581 (return of page contents). Response to fb_info_page_contents returned as
582 a string with code page CP_NONE.
583
584 13. DBInformation: Support for fb_info_pages_used and fb_info_pages_free added, plus
585 test suite updated.
586
587 14. DBInformation: Support for fb_info_crypt_key (Firebird 3.0.3 onwards) added as
588 a string type, and fb_info_conn_flags (Firebird 3.0.3 onwards) added as an integer type.
589
590 15. Service Manager: List of protocols supported expanded to include inet, wnet and xnet.
591 An overloaded version of IIFirebirdAPI.GetServiceManager also allows a non
592 default connection port to be specified.
593
594 FBINTF Change Log version (1.1-0) Sun, 07 Jan 2018 15:20:02 +0000
595
596 1. Fix issues with setting SQL Param values using SetAsString with Numeric types.
597 Scale is no longer ignored.
598
599 2. Fix issues with setting SQL Param values using SetAsString with Date values
600 not in locale format but which are recognised by Firebird. Date values that
601 cannot be converted to a string using Pascal library are now passed through
602 to Firebird as Text Strings.
603
604 3. Lookup character set name by codepage amended to ensure that CP_UTF8 returns
605 UTF8 and not UNICODE_FSS.
606
607 4. Charset ID problem. When using Firebird 3, with no default database character set
608 and a column has a non-default collation specified, an incorrect character set
609 id was being reported that could result in a 'division by zero' error when
610 used by IBX. This has now been fixed.
611
612 5. Move GetCharsetName, CharSetID2CodePage, CodePage2CharSetID, CharSetName2CharSetID,
613 CharSetWidth from IFirebirdAPI to IAttachment. This is a better data model as
614 the character sets supported can be updated on a per database basis. That is
615 it is possible to add a (Firebird) user defined character set to a database.
616
617 6. Add RegisterCharSet to IAttachment. This is used to register a user defined character
618 set supported by Firebird with the API.
619
620 7. Add missing isc_info_db_read_only to list of decoded Database Information items
621 in FBOutputBlock.pas and update test suite to include this item.
622
623 8. FB30Client: avoid always using "StartMultiple" when only a single database attachment.
624
625 9. Loading Windows fbclient.dll: when using the FIREBIRD variable to locate the client
626 library or finding it by disk location, the PATH environment variable is now also set to
627 include the FIREBIRD directory. This is to ensure that the correct dlls in the
628 firebird client library dependencies are loaded.
629
630 10. Testsuite: Ensure consistent UTF-8 output on Windows console.
631
632 11. Testsuite: Update Windows script to include FPC 3.0.4 in search path.
633
634 12. FB30Statement: Protect call to "Move" and avoid calling with a nil pointer
635
636 13. FB30Statement: A check has been added to ensure that all SQL Parameters
637 have been given a value (including NULL). Previously, failing to set the
638 value of an SQL Parameter could give rise to unpredictable results or
639 an SQLDA error.
640
641 14. FB30Statement/FB25Statement: Set SQLParam "modified" when string value set.
642
643 15. FBAttachment: Avoid string reference count error when processing an Ansistring
644 parameter in an array of const passed to IAttachment.OpenCursor, etc.
645
646 16. FBAttachment: Allow for WideString and UnicodeString parameters in an array
647 of const passed to IAttachment.OpenCursor, etc.
648
649
650 FBINTF Change Log version (1.0-2) Sat, 04 Mar 2017 14:43:56 +0000
651
652 1. Change syntax to Mode Delphi
653
654 2. Change all uses of string type to explicit AnsiString in order to ensure
655 compatibility between Delphi and FPC.
656
657 3. Various syntax changes to ensure Delphi and FPC compilation including GUIDs
658 defined for each interface.
659
660 4. Generics syntax variations for Delphi added
661
662 5. PChar replaced with PByte expect where an actual string is being referenced,
663 where PAnsiChar is used instead.
664
665 6. Review of type definitions in IBExternals to ensure Delphi compatibility
666
667 7. Testsuite updated for Delphi
668
669 FBINTF Change Log version (1.0-1) Fri, 24 Feb 2017 12:17:57 +0000
670
671 1. Limit maximum Blob segment read/write to MaxuShort. Avoids data loss with
672 large blobs and the FB3 API.
673
674 2. Update Event Handling algorithm to avoid looping due to recreation of the
675 event block.
676
677 3. Avoid invalid XSQLDA error when the only parameter is updated to null
678
679 4. Array Handling: fix problem with text arrays with character set none. When the
680 DB connection has a default character set (e.g. UTF8), an error is raised by
681 Firebird if the space allocated is not enough to allow for transliteration, even
682 though it is not required for character set none.
683
684 5. IBUtils: List of reserved words brought up-to-date
685
686 6. Add ISQL style performance statistics collection to IStatement
687
688 7. Add IFirebirdAPI.CreateDatabase variant to allow execution of user provided
689 CREATE DATABASE statement.
690
691 8. Update SQL Statement parsing to allow for Array Dimensions. That is so that the ':' in
692 an array dimension is not mistaken for a named parameter prefix.
693
694 9. Trim function no longer applied to result of GetAsString for SQL_TEXT
695 when Character set is octets. Avoids loss of non printable characters at start of string.
696
697 10. Add function GetPerfStatistics to IStatement. This returns ISQL like performance
698 statistics for the last action. Requires use of procedure IStatement.EnableStatistics
699 to enable stats gathering.
700
701 11. API Version information added as constants to IB.pas
702
703 12. BlobMetaData character set id should now be the same as that given by IColumnMetaData.GetCharSetID
704
705 13. Firebird Character set "NONE" now interpreted as codepage CP_ACP.
706
707 FBINTF Change Log version (1.0-0) Tue, 06 Dec 2016 10:33:47 +0000
708
709 1. Initial Release
710