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FBINTF Change Log version (1.3-2 Build 12860) Thu, 21 Oct 2021 13:16:09 +0100 |
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FBINTF Change Log version (1.4-2 Build 14340) Wed, 20 Mar 2024 11:13:10 +0000 |
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1. IBUtils.FormatTimeZoneOffset A zero offset now includes a preceding '+' sign. |
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2. TFBStatement.DoJournaling now exits immediately if journaling is not active. The |
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motivation for this is to avoid calling the Firebird API function 'getInfo' |
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unnecesarily. This function can return an error if an incompatible parameter type was |
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applied to the statement and hence can confuse resolving the bug. Note: a |
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specific case is in (e.g.) OpenCursorAtStart method when the array of const includes a |
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TDateTime. In this case, the param is set to a floating point type rather than |
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a Firebird datetime (array of const loses the distinction). |
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3. TFBAttachment.SetParameters. if an attempt is made to set a parameter with a float |
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value, the metadata type is checked to see if the parameter is a Date/Time type. If so then |
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the value is assumed to be a TDateTime and the parameter is set using the AsDateTime |
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property. Otherwise, the value is assumed to be a floating point type and the AsDouble |
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property is used to set the property. This avoids the specific example given above. |
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4. IBHeader (legacy interface only) Definition of Start_Transaction changed to use |
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varargs - win64 compatibility issue. |
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5. FB25Blob: last parameter of call to isc_blob_lookup_desc is now set to nil. This |
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avoids memory corruption with Firebird 4 when using the legacy interface. |
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FBINTF Change Log version (1.4-1 Build 14103) Mon, 27 Nov 2023 14:26:35 +0000 |
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1. FBSQLData: ensure that TResults.getSQLData and TResults.GetData use same error |
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checks for range checking. |
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2. FB25Client: In GetIBMessage, fb_interpret is now called multiple times such that |
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any additional error information is decoded. |
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3. FB25Statement: When changing a param type from Blob sub_type 1 to SQL_TEXT or SQL_VARYING |
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charsetid is now preserved and size is set to default blob size. Now aligns with |
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FB3 and later. |
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4. DDL and DML string literals are now explicitly set to the connection character |
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set rather than the default character set provided by the compiler. |
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5. General tidy up of transliteration functions, now centralised in IBUtils. FPC testing |
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now makes use of the RTL fpwidestring unit for support of international character |
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sets. |
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6. Database exception handling (see section 9.3 in user guide). |
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* For FB3 and later API: Connection Character set now applied to message returned |
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by fb_interpret and message then transliterated if necessary to the system character set. |
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* For Legacy API: The message character set is guessed as UTF8 unless invalid |
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UTF8 characters found when connection character set is assumed. Message then |
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transliterated if necessary to system character set. |
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Note: this difference of behaviour is because legacy API presents exception messages |
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"as is", while FB3 server attempts to transliterate to connection character set. |
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FBINTF Change Log version (1.4-0 Build 14011) Sat, 05 Aug 2023 11:09:09 +0100 |
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1. Support package fbudr added for support of User Defined Routines (UDRs), and package |
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fbudrtestbed for client side debugging of UDR libraries. |
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2. Package layout changed with introduction of udr support. IB*.pas files moved from |
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root directory to "client". IBHeader moved to "Client". |
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3. Delphi packages: all packages now compile .dcp and .bpi files to either |
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fbintf\Win32\Debug or fbintf\Win64\Debug by default. Please remove any pre-existing |
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fbintf.dcp and fbintf.bpi files from other locations. |
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4. Client side journaling support added. Interface changes |
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IAttachment |
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function JournalingActive: boolean; |
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function GetJournalOptions: TJournalOptions; |
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function StartJournaling(aJournalLogFile: AnsiString): integer; overload; |
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function StartJournaling(aJournalLogFile: AnsiString; Options: TJournalOptions): integer; overload; |
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function StartJournaling(S: TStream; Options: TJournalOptions): integer; overload; |
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procedure StopJournaling(RetainJournal: boolean); |
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5. Transactions may now be given a local transaction name: |
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IFirebirdAPI |
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function StartTransaction(Attachments: array of IAttachment; |
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TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload; |
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TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit; |
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aName: AnsiString=''): ITransaction; overload; |
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function StartTransaction(Attachments: array of IAttachment; |
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TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload; |
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TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit; |
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aName: AnsiString=''): ITransaction; overload; |
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IAttachment |
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function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload; |
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function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload; |
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function StartTransaction(TPB: array of byte; |
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DefaultCompletion: TTransactionCompletion=taCommit; |
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aName: AnsiString=''): ITransaction; overload; |
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function StartTransaction(TPB: ITPB; |
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DefaultCompletion: TTransactionCompletion=taCommit; |
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aName: AnsiString=''): ITransaction; overload; |
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ITransaction |
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function GetTransactionName: AnsiString; |
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procedure SetTransactionName(aValue: AnsiString); |
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6. Additional Transaction information |
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ITPB.function AsText: AnsiString; {Returns TPB as a text string} |
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ITransaction |
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function GetDefaultCompletion: TTransactionCompletion; |
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function GetJournalingActive(attachment: IAttachment): boolean; {attachment must be specified when multi-database transaction} |
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7. New IAttachment helper functions |
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function HasTable(aTableName: AnsiString): boolean; |
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function HasFunction(aFunctionName: AnsiString): boolean; |
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function HasProcedure(aProcName: AnsiString): boolean; |
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function GetAttachmentID: integer; |
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function GetCharSetID: integer; |
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8. IStatement: if the BatchRowLimit is set to maxint, the maximum possible buffer size |
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will be allocated for batch operations. |
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9. IStatement, IColumnMetaData and ISQLParam all now consistently provide: |
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function GetStatement: IStatement; |
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function GetTransaction: ITransaction; |
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function GetAttachment: IAttachment; |
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10. Internal: a more disciplined approach to the handling of Firebird.IReferenceCounted |
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interfaces. |
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11. New interface type: IFBNumeric. IFBNumeric is implemented in the unit FBNumeric |
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and concentrates all handling of Fixed Point numbers. New ISQLItem and ISQLParam |
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functions getAsNumeric and setAsNumeric allow for direct retrival and manipulation |
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of numerics without loss of precision. |
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12. TryStrToNumeric and NumericToDouble moved from IBUtils to FBNumeric. |
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13. ISQLParams new method "Clear" |
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14. Connection Info (e.g. ODS Version, Remote Protocol) now retrieved on first |
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request rather than on attachment connect. |
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15. IStatus.IBDataBaseErrorMessages now defaults to [ShowIBMessage]. This reflects the |
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fact that SQLCodes are soon to be deprecated. In the future, the other options |
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will be silently ignored if SQLCode support is not present in the Firebird |
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Client library. |
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16. ITransaction changes Rollback and Commit from procedures to functions: |
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function Commit(Force: boolean=false): TTrCompletionState; |
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function Rollback(Force: boolean=false): TTrCompletionState; |
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Specifically, this is to allow the functions to report back a failed commit or |
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rollback when Force = true. In the case, the transaction handle has been |
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released, while the transaction remains in limbo. |
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17. IAttachment ExecImmediate. |
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When the transaction parameters are provided as an array of const and the |
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statement fails, the transaction is rolledback (forced) before the exception |
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is raised. |
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18. In Firebird 3 and later API: the status vector is now a thread var, as was |
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already the case with the legacy API. Avoids problems when calling underlying |
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Firebird API in multiple threads. |
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19. IBUtils: TSQLXMLReader: "string" type changed to "AnsiString" for compatibility |
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reasons. |
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20. IDBInformation.DecodeVersionString now supported isc_info_firebird_version. |
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21. TSQLXMLReader: handle 'blob' as a reserved word |
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22. ISQLParam.SetAsVariant now accepts a vartype of varUString (UnicodeString). |
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FBINTF Change Log version (1.3-3 Build 12935) Mon, 06 Dec 2021 23:17:13 +0000 |
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1. Fix compile error with fpc trunk (3.3.1 and later), due to type change to tzname in "unix" unit. |
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2. Remove constraint in IAttachment.HasScollableCursors that returned false when |
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using remote protocol. Scrollable cursors with remote database expected to |
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be support for Firebird 4.0.1 onwards. Note: Firebird 4.0.0 will return |
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a not supported error. |
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3. IStatement: new function; |
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TStatementFlag = (stHasCursor,stRepeatExecute,stScrollable); |
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TStatementFlags = set of TStatementFlag; |
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function GetFlags: TStatementFlags; |
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4. Revised behaviour for IStatement.ExecuteQuery in order to preserve backwards |
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compatibility. |
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In Firebird 5, Update..Returning may returns multiple rows and hence the statemen |
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type changes from ExecProcedure to Select. So that ExecuteQuery can continue |
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to be used with Update...Retruning statements that return a singleton row, |
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instead of raising an exception when ExecuteQuery is used with a (SELECT) statement, |
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it will open the cursor and return the first row only. |
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5. ITransaction: new functions: |
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function GetIsReadOnly: boolean; |
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function GetTransactionID: integer; |
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function GetTrInformation(Requests: array of byte): ITrInformation; overload; |
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function GetTrInformation(Request: byte): ITrInformation; overload; |
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The latter two return the Transaction Information block. The first two extract |
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information the Transaction Information block |
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6. New function TSQLTokeniser.ReadCharacters |
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Used internally. |
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7. IStatement: GetProcessedSQL bug fix. No longer raises and error if SQL contains |
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parameter placeholders instead of named parameters. |
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8. ITransaction (Firebird 3 and later): An exception raised when freeing an underlying |
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transaction handle is now ignored if Rollback/Commit is called with Force=true |
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9. Tidy up of exception handling code. Under the legacy API, fb_interpret is now |
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used to get an IBError Message instead of isc_interprete. |
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10. Internal tidyup. Native code now used for decoding integers and the events |
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buffer. Avoids dependencies on fbclient functions isc_portable_integer, |
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isc_event_block and isc_event_counts. |
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11. New IAttachment function |
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function GetAttachmentID: integer; |
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12. Internal changes to TFBClientAPI, TFBAttachment and TFBTransaction and TFB30 |
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subclasses to enable UDR support. |
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FBINTF Change Log version (1.3-2 Build 12889) Sun, 24 Oct 2021 13:49:28 +0100 |
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1. TFBClientAPI.GetProcAddr. Add check for nil reference. |
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function FetchRelative(offset: Integer): boolean; {fetch record by position relative to current} |
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function IsBof: boolean; |
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10. IArray: tidyup of SetAsString method to ensure correct handling of fixed point numbers. |
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11. IBUtils: TSQLTokeniser. CRLF now combined by low level parser into sqltEOL token. This |
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may be noticeable when a line separator occurs inside quoted text. The quoted text |
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output by the tokeniser will now use the platform specific lineEnding regardless |
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of whether the input uses the CRLF or LF as a line separator. |
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12. IStatement, IResultsSet: Support for scrollable cursors added (note: local databases only) |
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FBINTF Change Log version (1.3-1 Build 12776) Mon, 23 Aug 2021 11:09:33 +0100 |
