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Revision: 377
Committed: Mon Jan 10 09:55:56 2022 UTC (2 years, 3 months ago) by tony
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# Content
1 FBINTF Change Log version (1.4-0 Build 12952) Tue, 07 Dec 2021 11:53:46 +0000
2
3 1. Client side journaling support added. Interface changes
4 IAttachment
5 function JournalingActive: boolean;
6 function GetJournalOptions: TJournalOptions;
7 function StartJournaling(aJournalLogFile: AnsiString): integer; overload;
8 function StartJournaling(aJournalLogFile: AnsiString; Options: TJournalOptions): integer; overload;
9 function StartJournaling(S: TStream; Options: TJournalOptions): integer; overload;
10 procedure StopJournaling(RetainJournal: boolean);
11
12
13 2. Transactions may now be given a local transaction name:
14 IFirebirdAPI
15 function StartTransaction(Attachments: array of IAttachment;
16 TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
17 TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit;
18 aName: AnsiString=''): ITransaction; overload;
19 function StartTransaction(Attachments: array of IAttachment;
20 TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
21 TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit;
22 aName: AnsiString=''): ITransaction; overload;
23
24 IAttachment
25 function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
26 function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
27 function StartTransaction(TPB: array of byte;
28 DefaultCompletion: TTransactionCompletion=taCommit;
29 aName: AnsiString=''): ITransaction; overload;
30 function StartTransaction(TPB: ITPB;
31 DefaultCompletion: TTransactionCompletion=taCommit;
32 aName: AnsiString=''): ITransaction; overload;
33
34 ITransaction
35 function GetTransactionName: AnsiString;
36 procedure SetTransactionName(aValue: AnsiString);
37
38 3. Additional Transaction information
39 ITPB.function AsText: AnsiString; {Returns TPB as a text string}
40
41 ITransaction
42 function GetDefaultCompletion: TTransactionCompletion;
43 function GetJournalingActive(attachment: IAttachment): boolean; {attachment must be specified when multi-database transaction}
44
45 4. New IAttachment helper functions
46 function HasTable(aTableName: AnsiString): boolean;
47 function HasFunction(aFunctionName: AnsiString): boolean;
48 function HasProcedure(aProcName: AnsiString): boolean;
49 function GetAttachmentID: integer;
50 function GetCharSetID: integer;
51
52 5. IStatement: if the BatchRowLimit is set to maxint, the maximum possible buffer size
53 will be allocted for batch operations.
54
55 6. IStatement, IColumnMetaData and ISQLParam all now consistently provide:
56 function GetStatement: IStatement;
57 function GetTransaction: ITransaction;
58 function GetAttachment: IAttachment;
59
60 7. Internal: a more disciplined approach to the handling of Firebird.IReferenceCounted
61 interfaces.
62
63 8. New interface type: IFBNumeric. IFBNumeric is implemented in the unit FBNumeric
64 and concentrates all handling of Fixed Point numbers. New ISQLItem and ISQLParam
65 functions getAsNumeric and setAsNumeric allow for direct retrival and manipulation
66 of numerics without loss of precision.
67
68 9. TryStrToNumeric and NumericToDouble moved from IBUtils to FBNumeric.
69
70 10. ISQLParams new method "Clear"
71
72 11. Support package fbudr added for support of User Defined Routines (UDRs).
73
74 12. Package layout changed with introduction of udr support. IB*.pas files moved from
75 root directory to "client". IBHeader move to "Client".
76
77 13. Connection Info (e.g. ODS Version, Remote Protocol) now retrieved on first
78 request rather than on attachment connect.
79
80
81 FBINTF Change Log version (1.3-3 Build 12935) Mon, 06 Dec 2021 23:17:13 +0000
82
83 1. Fix compile error with fpc trunk (3.3.1 and later), due to type change to tzname in "unix" unit.
84
85 2. Remove constraint in IAttachment.HasScollableCursors that returned false when
86 using remote protocol. Scrollable cursors with remote database expected to
87 be support for Firebird 4.0.1 onwards. Note: Firebird 4.0.0 will return
88 a not supported error.
89
90 3. IStatement: new function;
91 TStatementFlag = (stHasCursor,stRepeatExecute,stScrollable);
92 TStatementFlags = set of TStatementFlag;
93 function GetFlags: TStatementFlags;
94
95 4. Revised behaviour for IStatement.ExecuteQuery in order to preserve backwards
96 compatibility.
97 In Firebird 5, Update..Returning may returns multiple rows and hence the statemen
98 type changes from ExecProcedure to Select. So that ExecuteQuery can continue
99 to be used with Update...Retruning statements that return a singleton row,
100 instead of raising an exception when ExecuteQuery is used with a (SELECT) statement,
101 it will open the cursor and return the first row only.
102
103 5. ITransaction: new functions:
104 function GetIsReadOnly: boolean;
105 function GetTransactionID: integer;
106 function GetTrInformation(Requests: array of byte): ITrInformation; overload;
107 function GetTrInformation(Request: byte): ITrInformation; overload;
108
109 The latter two return the Transaction Information block. The first two extract
110 information the Transaction Information block
111
112 6. New function TSQLTokeniser.ReadCharacters
113 Used internally.
114
115 7. IStatement: GetProcessedSQL bug fix. No longer raises and error if SQL contains
116 parameter placeholders instead of named parameters.
117
118 8. ITransaction (Firebird 3 and later): An exception raised when freeing an underlying
119 transaction handle is now ignored if Rollback/Commit is called with Force=true
120
121 9. Tidy up of exception handling code. Under the legacy API, fb_interpret is now
122 used to get an IBError Message instead of isc_interprete.
123
124 10. Internal tidyup. Native code now used for decoding integers and the events
125 buffer. Avoids dependencies on fbclient functions isc_portable_integer,
126 isc_event_block and isc_event_counts.
127
128 11. New IAttachment function
129 function GetAttachmentID: integer;
130
131 12. Internal changes to TFBClientAPI, TFBAttachment and TFBTransaction and TFB30
132 subclasses to enable UDR support.
133
134 FBINTF Change Log version (1.3-2 Build 12889) Sun, 24 Oct 2021 13:49:28 +0100
135
136 1. TFBClientAPI.GetProcAddr. Add check for nil reference.
137
138 2. IStatement: new methods:
139 procedure SetStaleReferenceChecks(Enable:boolean); {default true}
140 function GetStaleReferenceChecks: boolean;
141
142 In previous versions, stale reference checks were always enabled. This allows the
143 user to disable them on a per statement basis. Note this can risk out-of-date
144 statement BLR. See User Guide.
145
146 3. IBUtils: TSQLwithNamedParamsTokeniser now recognises a CASE...END block within a
147 stored procedure and hence avoids replacing named parameters within a containing
148 BEGIN..END block.
149
150 4. ISQLParam: using a string value to set an integer field with a scale factor of
151 zero is now treated as a special case to avoid the risk of floating point
152 rounding errors affecting pure integers.
153
154 5. ISQLParam: Review and tidy-up of SetAsString for numeric types.
155
156 6. ISQLParam is now subclassed from IParamMetaData, which provides access to the mutable
157 SQL Parameter metadata (methods moved from ISQLParam).
158
159 7. ISQLParam: new method
160 function getColMetadata: IParamMetaData;
161 This instance of IParamMetaData returns the original column metadata which is unmutable.
162 Note: ISQLParam metadata can change after a parameter value has been set e.g when
163 setting a VARCHAR column to an integer value.
164
165 8. IStatement: can now set cursor name when opening a cursor. New overloaded method:
166 procedure Prepare(CursorName: AnsiString; aTransaction: ITransaction=nil); overload;
167 also IAttachment:
168 function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; CursorName: AnsiString=''): IStatement; overload;
169 function Prepare(transaction: ITransaction; sql: AnsiString; CursorName: AnsiString=''): IStatement; overload;
170 function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
171 aSQLDialect: integer; GenerateParamNames: boolean=false;
172 CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
173 function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
174 GenerateParamNames: boolean=false;
175 CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
176
177 9. Support for scrollable cursors added. New/updated methods:
178 IAttachment:
179 function HasScollableCursors: boolean;
180 function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
181 Scrollable: boolean=false): IResultSet; overload;
182 function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
183 function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
184 params: array of const): IResultSet; overload;
185 function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false;
186 params: array of const): IResultSet; overload;
187 function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
188 params: array of const): IResultSet; overload;
189 function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
190 Scrollable: boolean=false): IResultSet; overload;
191 function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
192 function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean;
193 params: array of const): IResultSet; overload;
194 function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
195 function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean;
196 params: array of const): IResultSet; overload;
197 IStatement:
198 function OpenCursor(Scrollable: boolean; CursorName: AnsiString =''; aTransaction: ITransaction=nil): IResultSet; overload;
199 IResultSet:
200 function FetchPrior: boolean; {fetch previous record}
201 function FetchFirst:boolean; {fetch first record}
202 function FetchLast: boolean; {fetch last record}
203 function FetchAbsolute(position: Integer): boolean; {fetch record by its absolute position in result set}
204 function FetchRelative(offset: Integer): boolean; {fetch record by position relative to current}
205 function IsBof: boolean;
206
207 10. IArray: tidyup of SetAsString method to ensure correct handling of fixed point numbers.
208
209 11. IBUtils: TSQLTokeniser. CRLF now combined by low level parser into sqltEOL token. This
210 may be noticeable when a line separator occurs inside quoted text. The quoted text
211 output by the tokeniser will now use the platform specific lineEnding regardless
212 of whether the input uses the CRLF or LF as a line separator.
213
214 12. IStatement, IResultsSet: Support for scrollable cursors added (note: local databases only)
215
216
217 FBINTF Change Log version (1.3-1 Build 12776) Mon, 23 Aug 2021 11:09:33 +0100
218
219 1. Integer decodes in information blocks (e.g. IDBInfoItem) widened from 32 bit to 64-bit integers.
220
221 2. Support for inline blob encoding. Blob values pass using the "SetAsString" method
222 will now be encoded inline (i.e. as part of the parameter buffer) if they are
223 shorter than a pre-set limit. Longer values continue to be saved as blobs as a
224 separate server interaction. This is intended as a performance optimisation.
225
226 The pre-set limit defaults to 8192 bytes and can be inspected/modified using the new
227 IAttachment interface functions:
228
229 function GetInlineBlobLimit: integer;
230 procedure SetInlineBlobLimit(limit: integer);
231
232 3. Support for Firebird 4 IBatch interface added. This is largely transparent to the API
233 user as the functionality is embedded in the implementation of the IStatement
234 interface. Three new functions are defined:
235
236 procedure AddToBatch;
237 function ExecuteBatch(aTransaction: ITransaction=nil): IBatchCompletion;
238 procedure CancelBatch;
239 function GetBatchCompletion: IBatchCompletion;
240 function GetBatchRowLimit: integer;
241 procedure SetBatchRowLimit(aLimit: integer);
242
243 Also
244
245 function IsInBatchMode: boolean; {true after call to execute(eaDefer)}
246 function HasBatchMode: boolean; {true if and only if IBatch Supported}
247
248 For more information see the User Guide.
249
250 4. Default error message contents. Now aligned with User Guide section 10.2 i.e. error messages
251 provided with the EIBInterBaseError now include all three parts.
252
253 5. Firebird.pas and include files updated to Firebird 4.0.0
254
255 6. New IStatement method: function GetSQLStatementTypeName: AnsiString;
256 Returns SQL Statement type as a text string;
257
258 7. ISQLData.AsInteger and AsInt64 now use "Round" to convert a float field to
259 an integer instead of "trunc". This is for compatibility with TFloatField.AsInteger.
260
261 FBINTF Change Log version (1.2-1 Build 12552) Wed, 09 Jun 2021 13:05:40 +0100
262
263 1. Big fix for Firebird 4.0. A internal change in Firebird 4.0.0 from RC1 flushed out a
264 typo in FB30Statement.pas that caused an unknown parameter error.
265
266 FBINTF Change Log version (1.2-0 Build 12520) Fri, 19 Feb 2021 13:27:23 +0000
267
268 1. Imported (Firebird) constants updated for Firebird 4.
269
270 2. Firebird.pas from Firebird 4 integrated into source code tree.
271
272 3. Added Support for TIMETAMP WITH TIME ZONE and TIME WITH TIME ZONE data types.
273
274 4. Added Support for SQL_DEC16, SQL_DEC34 and extended NUMERIC precision.
275
276 5. New unit 'FBClientLib.pas' added and provides new interface IFBIMasterProvider.
277 QueryInterface may be used to coerce this interface from IFirebirdAPI. The
278 interface provides a single method "function GetIMasterIntf: IMaster". This provides
279 type safe access to the Firebird IMaster interface and avoids the need to turn
280 off object checks when coercing "function GetIMaster: TObject" to IMaster.
281
282 6. New IFirebirdAPI Calls:
283 function HasLocalTZDB: boolean;
284 function HasTimeZoneSupport: boolean;
285 function HasExtendedTZSupport: boolean;
286 procedure SQLDecFloatEncode(aValue: tBCD; SQLType: cardinal; bufptr: PByte);
287 function SQLDecFloatDecode(SQLType: cardinal; scale: integer; bufptr: PByte): tBCD;
288
289 7. New IAttachment Calls:
290 function HasDecFloatSupport: boolean;
291 function GetTimeZoneServices: ITimeZoneServices;
292 function HasTimeZoneSupport: boolean;
293
294 8. New Interface ITimeZoneServices.
295
296 9. New ISQLData API Calls:
297 procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
298 procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
299 procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
300 procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
301 function GetAsUTCDateTime: TDateTime;
302 function GetAsBCD: tBCD;
303
304 10. New ISQLParam API Calls
305 procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
306 procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
307 procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
308 procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
309 function GetAsUTCDateTime: TDateTime;
310 function GetAsBCD: tBCD;
311 function GetStatement: IStatement;
312 function GetTransaction: ITransaction;
313 procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
314 procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
315 procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
316 procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
317 procedure SetAsUTCDateTime(aUTCTime: TDateTime);
318 procedure SetAsBcd(aValue: tBCD);
319
320 11. New IArray API Calls
321 procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
322 procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
323 procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
324 procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
325 function GetAsUTCDateTime(index: array of integer): TDateTime;
326 procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
327 procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZone: AnsiString); overload;
328 procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
329 procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
330
331 12. Utility functions in IBUtils
332 function ParseDateTimeTZString(aDateTimeStr: Ansistring; var aDateTime: TDateTime;
333 var aTimezone: AnsiString; aFormatSettings: TFormatSettings; TimeOnly: boolean=false): boolean;
334 procedure FBDecodeTime(aTime: TDateTime; var Hour, Minute, Second: word; var DeciMillisecond: cardinal);
335 function FBEncodeTime(Hour, Minute, Second, DeciMillisecond: cardinal): TDateTime;
336 function FBFormatDateTime(fmt: AnsiString; aDateTime: TDateTime): AnsiString;
337 function FormatTimeZoneOffset(EffectiveTimeOffsetMins: integer): AnsiString;
338 function DecodeTimeZoneOffset(TZOffset: AnsiString; var dstOffset: integer): boolean;
339
340 13. IDPB, ITPB and ISPB: new interface method
341 function AddByTypeName(ParamTypeName: AnsiString): IDPBItem/ITPBItem/ISPBItem;
342 This is used to add a parameter block item by the string equivalent of its
343 symbolic type name. e.g. DPB.AddByTypeName('isc_dpb_user_name').AsString := '...'
344
345 14. IDPBItem/ITPBItem/ISPBItem: new interface method:
346 function getParamTypeName: AnsiString;
347
348 15. fb_shutdown now called before unloading Firebird library. This can avoid a
349 SIGEVENT error when a programme using the embeded server is unloaded.
350
351 FBINTF Change Log version (1.1-6 Build 12237) Tue, 21 Jul 2020 08:54:21 +0100
352
353 1. GetImplementationVersion now correctly returns '3.0' for Firebird 3 API
354 with a Firebrid 3 client library.
355
356 2. Linux Only: FIREBIRD environment variable is now checked when loading the client library.
357 If a client library path is not explicitly provided and the FIREBIRD environment
358 variable is set then the directory given by this variable and any 'lib' subdirectory
359 are searched for the Firebird client library. Only if none is found, is the default
360 client library used.
361
362 3. IUtil.FormatStatus now used to format error messages when using new API
363
364 4. Fixed Array SDL: array_desc_scale now correctly encoded as a signed integer.
365
366 5. SQL_TEXT handling changed. When the value of an SQL_TEXT (i.e. fixed width string) column is
367 returned using GetAsString and the string codepage is UTF8, the string is truncated so
368 that the byte length corresponds to the number of characters specified for the column.
369 SQL_TEXT strings are no longer automatically trimmed to remove all trailing white space. This is
370 correct behaviour but may affect some implementations that relied upon automatic
371 trimming of trailing white space.
372
373 6. New IFirebirdAPI Calls:
374 function GetClientMajor: integer;
375 function GetClientMinor: integer;
376
377 7. IColumnMetaData and IArrayMetaData: new method
378 function GetCharSetWidth: integer;
379
380 FBINTF Change Log version (1.1-5 Build 12022) Fri, 17 Apr 2020 10:35:55 +0100
381
382 1. ISQLParams.GetHasCaseSensitiveParams added. Returns true if param names are
383 case sensitive
384
385 2. Single line SQL comments starting with '--' are now recognised by SQL Parser.
386
387 3. New API Calls:
388 IColumnMetaData.GetStatement
389 IColumnMetaData.GetTransaction
390 ISQLData.GetStrDataLength
391 IResults.GetStatement
392 IAttachment.OpenBlob (using Blob metadata)
393 IAttachment.OpenArray (using array metadata)
394
395 4. FBMessages: removal of unused messages
396
397 5. TFBArray.Create (2nd case): ensure that FFirebirdClientAPI is correctly set.
398
399 6. TIBSQLStatementType: SQLSavePoint added to end of enumeration.
400
401 FBINTF Change Log version (1.1-4 Build 11515) Fri, 28 Dec 2018 10:04:19 +0000
402
403 1. Fix a problem with the SQL parameter parser that failed to recognise parameters
404 where the second character of the parameter name is a numeric.
405
406 2. New method for IAttachment: procedure getFBVersion(version: TStrings);
407 This returns the isc_version connection information as one or more lines.
408 This is the same information as returned by isql with the -z option.
409
410 3. If -dFIREBIRD3APIONLY is used as a compiler option then the legacy Firebird API
411 is no longer compiled in. Likewise, if -dLEGACYFIREBIRDAPIONLY is used as a
412 compiler option then the Firebird 3 API is no longer compiled in.
413
414 4. IColumnMetaData: new method.
415
416 TIBDateTimeFormats = (dfTimestamp, {SQL TIMESTAMP}
417 dfDateTime, {SQL DATETIME}
418 dfTime);
419
420 function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
421
422 This returns the max. number of characters returned by the "AsString" method
423 when the SQL type of the column is respectively TIMESTAMP, DATETIME or TIME.
424
425 5. Additional argument for IAttachment.PrepareWithNamedParameters -
426 CaseSensitiveParams: boolean = false
427
428 If this argument is set to true then SQL parameter names are assumed to be case
429 sensitive and must be referenced (using ISQLParams.ByName) using the case
430 sensitive name.
431
432 6. Bug fix: when setting a query parameter, it is now possible, when the parameter
433 is of type VarChar or Char to set the parameter to a numeric value (e.g. using
434 .AsCurrency) and then subsequently to update the value to a non-numeric string
435 using .AsString.
436
437
438
439 FBINTF Change Log version (1.1-3) Wed, 05 Dec 2018 14:28:10 +0000
440
441 1. DARWIN only syntax error: fix missing semi-colon in TFBClientAPI.LoadIBLibrary
442
443 2. Restrict IsMultiThread check to Unix only for compatibility with
444 https://bugs.freepascal.org/view.php?id=30535
445
446 3. New SQL Tokeniser added to IBUtils. This is used to pre-process SQL with
447 named parameters and is intended to avoid problems with (e.g.) Execute Block
448 and processing internal parameters as statement parameters.
449
450 4. New interface IFirebirdLibrary provides access to the underlying firebird DLL
451 or shared object. Available via a new member (GetFBLibrary) of IFirebirdAPI.
452
453 5. New function added to IB.pas
454
455 function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary
456
457 This allows a Firebird Library to be loaded from an explicit path. use the
458 IFirebirdLibrary.GetFirebirdAPI member function to get the Firebird API using
459 the library. It is possible to load Firebird libraries from different locations
460 simultaneously, each with a distinct IFirebirdAPI.
461
462 FBINTF Change Log version (1.1-2) Mon, 16 Apr 2018 09:30:32 +0100
463
464 1. Firebird.pas: {$OBJECTCHECKS OFF} added to file to avoid runtime error when
465 program compiled with -CR command line switch.
466
467 2. IServiceManager additions (informational):
468 function getProtocol: TProtocol;
469 function getPortNo: AnsiString;
470
471 3. IServiceManager improved error handling. Interfaces changed:
472 function Start(Request: ISRB; RaiseExceptionOnError: boolean=true): boolean;
473 function Query(SQPB: ISQPB; Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
474 function Query(Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
475
476 4. IAttachment addition (informational)
477 function GetSecurityDatabase: AnsiString;
478
479 5. IStatement: performance counters now updated after each Fetch. GetPerfStatistics
480 thus now returns accumulated stats for a select statement from opening a cursor
481 up to the last fetch.
482
483 6. DARWIN: uloadlibrary.inc bug fix. Many thanks to Luigi Naimi for correcting
484 the problem.
485
486 7. Type change: "TPerfCounters = array[TPerfStats] of Int64". Note "Int64"
487 replaces deprecated "comp" type.
488
489 10. Testsuite Test10 updated to include thread synchronisation for event reporting.
490
491 11. URL Connection Strings: inet4 and inet6 now recognised.
492
493 12. IBUtils: Parse and Make Connect String now recognise URL style loopback syntax.
494
495 13. IAttachment.CharSetName2CharSetID is now performed case insensitive.
496
497
498 FBINTF Change Log version (1.1-1) Tue, 27 Feb 2018 16:51:16 +0000
499
500 1. IBUtils.QuoteIdentifierIfNeeded: Add check for space character.
501
502 2. IAttachment: add two new methods
503 function HasDefaultCharSet: boolean;
504 function GetDefaultCharSetID: integer;
505
506 These return, respectively, true if a connection default character set was
507 specified and the character set id of the connection default character set.
508 The DefaultCharSetID is cached when the connection is opened and hence does not
509 require a database lookup.
510
511 3. Avoid exception when a text blob is a stored procedure parameter.
512
513 4. Update test suite to include a test for a stored proc returning a text blob.
514
515 5. IAttachment: add
516 function GetRemoteProtocol: AnsiString;
517 function GetODSMajorVersion: integer;
518 function GetODSMinorVersion: integer;
519 function GetAuthenticationMethod: AnsiString;
520
521 These results are cached when the connection is opened and hence do not
522 require a database lookup.
523
524 6. IAttachment: add "function GetConnectString: AnsiString;" This returns the
525 connect string used to create/connect to the database.
526
527 7. IAttachment: Create Database using SQL statement. The username and password
528 are now extracted and used to populate a DPB made available via IAttachment.getDPB.
529 It is now possible to use IAttachment disconnect/connect to reconnect to
530 a database for which the initial connection was established by a create
531 database sql statement. Available in FPC only.
532
533 8. Update Test 1 to test 5, 6 and 7 above.
534
535 9. IBUtils code tidy up.
536
537 10. Parameter Block interfaces "find" method. As documented, this should have
538 returned a nil interface when the item could not be found. Instead, an empty
539 interface item was returned. "Find" now works as documented and will return
540 a nil interface if the item cannot be found.
541
542 11. DBInformation: support added for isc_info_active_tran_count and isc_info_creation_date.
543
544 12. DBInformation: New interfaces: IDIRB and IDIRBItem added to support DB Information
545 requests with additional parameters. This is to enable support for fb_info_page_contents
546 (return of page contents). Response to fb_info_page_contents returned as
547 a string with code page CP_NONE.
548
549 13. DBInformation: Support for fb_info_pages_used and fb_info_pages_free added, plus
550 test suite updated.
551
552 14. DBInformation: Support for fb_info_crypt_key (Firebird 3.0.3 onwards) added as
553 a string type, and fb_info_conn_flags (Firebird 3.0.3 onwards) added as an integer type.
554
555 15. Service Manager: List of protocols supported expanded to include inet, wnet and xnet.
556 An overloaded version of IIFirebirdAPI.GetServiceManager also allows a non
557 default connection port to be specified.
558
559 FBINTF Change Log version (1.1-0) Sun, 07 Jan 2018 15:20:02 +0000
560
561 1. Fix issues with setting SQL Param values using SetAsString with Numeric types.
562 Scale is no longer ignored.
563
564 2. Fix issues with setting SQL Param values using SetAsString with Date values
565 not in locale format but which are recognised by Firebird. Date values that
566 cannot be converted to a string using Pascal library are now passed through
567 to Firebird as Text Strings.
568
569 3. Lookup character set name by codepage amended to ensure that CP_UTF8 returns
570 UTF8 and not UNICODE_FSS.
571
572 4. Charset ID problem. When using Firebird 3, with no default database character set
573 and a column has a non-default collation specified, an incorrect character set
574 id was being reported that could result in a 'division by zero' error when
575 used by IBX. This has now been fixed.
576
577 5. Move GetCharsetName, CharSetID2CodePage, CodePage2CharSetID, CharSetName2CharSetID,
578 CharSetWidth from IFirebirdAPI to IAttachment. This is a better data model as
579 the character sets supported can be updated on a per database basis. That is
580 it is possible to add a (Firebird) user defined character set to a database.
581
582 6. Add RegisterCharSet to IAttachment. This is used to register a user defined character
583 set supported by Firebird with the API.
584
585 7. Add missing isc_info_db_read_only to list of decoded Database Information items
586 in FBOutputBlock.pas and update test suite to include this item.
587
588 8. FB30Client: avoid always using "StartMultiple" when only a single database attachment.
589
590 9. Loading Windows fbclient.dll: when using the FIREBIRD variable to locate the client
591 library or finding it by disk location, the PATH environment variable is now also set to
592 include the FIREBIRD directory. This is to ensure that the correct dlls in the
593 firebird client library dependencies are loaded.
594
595 10. Testsuite: Ensure consistent UTF-8 output on Windows console.
596
597 11. Testsuite: Update Windows script to include FPC 3.0.4 in search path.
598
599 12. FB30Statement: Protect call to "Move" and avoid calling with a nil pointer
600
601 13. FB30Statement: A check has been added to ensure that all SQL Parameters
602 have been given a value (including NULL). Previously, failing to set the
603 value of an SQL Parameter could give rise to unpredictable results or
604 an SQLDA error.
605
606 14. FB30Statement/FB25Statement: Set SQLParam "modified" when string value set.
607
608 15. FBAttachment: Avoid string reference count error when processing an Ansistring
609 parameter in an array of const passed to IAttachment.OpenCursor, etc.
610
611 16. FBAttachment: Allow for WideString and UnicodeString parameters in an array
612 of const passed to IAttachment.OpenCursor, etc.
613
614
615 FBINTF Change Log version (1.0-2) Sat, 04 Mar 2017 14:43:56 +0000
616
617 1. Change syntax to Mode Delphi
618
619 2. Change all uses of string type to explicit AnsiString in order to ensure
620 compatibility between Delphi and FPC.
621
622 3. Various syntax changes to ensure Delphi and FPC compilation including GUIDs
623 defined for each interface.
624
625 4. Generics syntax variations for Delphi added
626
627 5. PChar replaced with PByte expect where an actual string is being referenced,
628 where PAnsiChar is used instead.
629
630 6. Review of type definitions in IBExternals to ensure Delphi compatibility
631
632 7. Testsuite updated for Delphi
633
634 FBINTF Change Log version (1.0-1) Fri, 24 Feb 2017 12:17:57 +0000
635
636 1. Limit maximum Blob segment read/write to MaxuShort. Avoids data loss with
637 large blobs and the FB3 API.
638
639 2. Update Event Handling algorithm to avoid looping due to recreation of the
640 event block.
641
642 3. Avoid invalid XSQLDA error when the only parameter is updated to null
643
644 4. Array Handling: fix problem with text arrays with character set none. When the
645 DB connection has a default character set (e.g. UTF8), an error is raised by
646 Firebird if the space allocated is not enough to allow for transliteration, even
647 though it is not required for character set none.
648
649 5. IBUtils: List of reserved words brought up-to-date
650
651 6. Add ISQL style performance statistics collection to IStatement
652
653 7. Add IFirebirdAPI.CreateDatabase variant to allow execution of user provided
654 CREATE DATABASE statement.
655
656 8. Update SQL Statement parsing to allow for Array Dimensions. That is so that the ':' in
657 an array dimension is not mistaken for a named parameter prefix.
658
659 9. Trim function no longer applied to result of GetAsString for SQL_TEXT
660 when Character set is octets. Avoids loss of non printable characters at start of string.
661
662 10. Add function GetPerfStatistics to IStatement. This returns ISQL like performance
663 statistics for the last action. Requires use of procedure IStatement.EnableStatistics
664 to enable stats gathering.
665
666 11. API Version information added as constants to IB.pas
667
668 12. BlobMetaData character set id should now be the same as that given by IColumnMetaData.GetCharSetID
669
670 13. Firebird Character set "NONE" now interpreted as codepage CP_ACP.
671
672 FBINTF Change Log version (1.0-0) Tue, 06 Dec 2016 10:33:47 +0000
673
674 1. Initial Release
675