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FBINTF Change Log version (1.1-1) Fri, 12 Jan 2018 17:32:07 +0000 |
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FBINTF Change Log version (1.3-2 Build 12878) Sat, 23 Oct 2021 13:23:39 +0100 |
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1. TFBClientAPI.GetProcAddr. Add check for nil reference. |
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2. IStatement: new methods: |
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procedure SetStaleReferenceChecks(Enable:boolean); {default true} |
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function GetStaleReferenceChecks: boolean; |
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In previous versions, stale reference checks were always enabled. This allows the |
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user to disable them on a per statement basis. Note this can risk out-of-date |
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statement BLR. See User Guide. |
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3. IBUtils: TSQLwithNamedParamsTokeniser now recognises a CASE...END block within a |
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stored procedure and hence avoids replacing named parameters within a containing |
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BEGIN..END block. |
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4. ISQLParam: using a string value to set an integer field with a scale factor of |
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zero is now treated as a special case to avoid the risk of floating point |
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rounding errors affecting pure integers. |
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5. ISQLParam: Review and tidy-up of SetAsString for numeric types. |
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6. ISQLParam is now subclassed from IParamMetaData, which provides access to the mutable |
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SQL Parameter metadata (methods moved from ISQLParam). |
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7. ISQLParam: new method |
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function getColMetadata: IParamMetaData; |
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This instance of IParamMetaData returns the original column metadata which is unmutable. |
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Note: ISQLParam metadata can change after a parameter value has been set e.g when |
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setting a VARCHAR column to an integer value. |
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8. IStatement: can now set cursor name when opening a cursor. New overloaded method: |
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procedure Prepare(CursorName: AnsiString; aTransaction: ITransaction=nil); overload; |
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also IAttachment: |
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function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; CursorName: AnsiString=''): IStatement; overload; |
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function Prepare(transaction: ITransaction; sql: AnsiString; CursorName: AnsiString=''): IStatement; overload; |
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function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString; |
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aSQLDialect: integer; GenerateParamNames: boolean=false; |
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CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload; |
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function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString; |
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GenerateParamNames: boolean=false; |
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CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload; |
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9. Support for scrollable cursors added. New/updated methods: |
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IAttachment: |
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function HasScollableCursors: boolean; |
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function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; |
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Scrollable: boolean=false): IResultSet; overload; |
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function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload; |
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function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean; |
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params: array of const): IResultSet; overload; |
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function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false; |
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params: array of const): IResultSet; overload; |
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function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean; |
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params: array of const): IResultSet; overload; |
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function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; |
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Scrollable: boolean=false): IResultSet; overload; |
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function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload; |
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function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean; |
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params: array of const): IResultSet; overload; |
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function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean=false): IResultSet; overload; |
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function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean; |
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params: array of const): IResultSet; overload; |
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IStatement: |
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function OpenCursor(Scrollable: boolean; CursorName: AnsiString =''; aTransaction: ITransaction=nil): IResultSet; overload; |
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IResultSet: |
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function FetchPrior: boolean; {fetch previous record} |
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function FetchFirst:boolean; {fetch first record} |
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function FetchLast: boolean; {fetch last record} |
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function FetchAbsolute(position: Integer): boolean; {fetch record by its absolute position in result set} |
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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 |
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1. Integer decodes in information blocks (e.g. IDBInfoItem) widened from 32 bit to 64-bit integers. |
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2. Support for inline blob encoding. Blob values pass using the "SetAsString" method |
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will now be encoded inline (i.e. as part of the parameter buffer) if they are |
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shorter than a pre-set limit. Longer values continue to be saved as blobs as a |
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separate server interaction. This is intended as a performance optimisation. |
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The pre-set limit defaults to 8192 bytes and can be inspected/modified using the new |
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IAttachment interface functions: |
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function GetInlineBlobLimit: integer; |
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procedure SetInlineBlobLimit(limit: integer); |
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3. Support for Firebird 4 IBatch interface added. This is largely transparent to the API |
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user as the functionality is embedded in the implementation of the IStatement |
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interface. Three new functions are defined: |
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procedure AddToBatch; |
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function ExecuteBatch(aTransaction: ITransaction=nil): IBatchCompletion; |
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procedure CancelBatch; |
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function GetBatchCompletion: IBatchCompletion; |
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function GetBatchRowLimit: integer; |
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procedure SetBatchRowLimit(aLimit: integer); |
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Also |
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function IsInBatchMode: boolean; {true after call to execute(eaDefer)} |
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function HasBatchMode: boolean; {true if and only if IBatch Supported} |
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For more information see the User Guide. |
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4. Default error message contents. Now aligned with User Guide section 10.2 i.e. error messages |
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provided with the EIBInterBaseError now include all three parts. |
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5. Firebird.pas and include files updated to Firebird 4.0.0 |
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6. New IStatement method: function GetSQLStatementTypeName: AnsiString; |
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Returns SQL Statement type as a text string; |
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7. ISQLData.AsInteger and AsInt64 now use "Round" to convert a float field to |
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an integer instead of "trunc". This is for compatibility with TFloatField.AsInteger. |
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FBINTF Change Log version (1.2-1 Build 12552) Wed, 09 Jun 2021 13:05:40 +0100 |
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1. Big fix for Firebird 4.0. A internal change in Firebird 4.0.0 from RC1 flushed out a |
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typo in FB30Statement.pas that caused an unknown parameter error. |
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FBINTF Change Log version (1.2-0 Build 12520) Fri, 19 Feb 2021 13:27:23 +0000 |
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1. Imported (Firebird) constants updated for Firebird 4. |
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2. Firebird.pas from Firebird 4 integrated into source code tree. |
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3. Added Support for TIMETAMP WITH TIME ZONE and TIME WITH TIME ZONE data types. |
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4. Added Support for SQL_DEC16, SQL_DEC34 and extended NUMERIC precision. |
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5. New unit 'FBClientLib.pas' added and provides new interface IFBIMasterProvider. |
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QueryInterface may be used to coerce this interface from IFirebirdAPI. The |
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interface provides a single method "function GetIMasterIntf: IMaster". This provides |
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type safe access to the Firebird IMaster interface and avoids the need to turn |
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off object checks when coercing "function GetIMaster: TObject" to IMaster. |
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6. New IFirebirdAPI Calls: |
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function HasLocalTZDB: boolean; |
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function HasTimeZoneSupport: boolean; |
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function HasExtendedTZSupport: boolean; |
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procedure SQLDecFloatEncode(aValue: tBCD; SQLType: cardinal; bufptr: PByte); |
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function SQLDecFloatDecode(SQLType: cardinal; scale: integer; bufptr: PByte): tBCD; |
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7. New IAttachment Calls: |
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function HasDecFloatSupport: boolean; |
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function GetTimeZoneServices: ITimeZoneServices; |
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function HasTimeZoneSupport: boolean; |
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8. New Interface ITimeZoneServices. |
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9. New ISQLData API Calls: |
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procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload; |
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procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload; |
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procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload; |
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procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload; |
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function GetAsUTCDateTime: TDateTime; |
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function GetAsBCD: tBCD; |
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10. New ISQLParam API Calls |
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procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload; |
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procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload; |
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procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload; |
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procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload; |
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function GetAsUTCDateTime: TDateTime; |
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function GetAsBCD: tBCD; |
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function GetStatement: IStatement; |
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function GetTransaction: ITransaction; |
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procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload; |
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procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload; |
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procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload; |
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procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload; |
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procedure SetAsUTCDateTime(aUTCTime: TDateTime); |
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procedure SetAsBcd(aValue: tBCD); |
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11. New IArray API Calls |
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procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload; |
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procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload; |
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procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload; |
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procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload; |
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function GetAsUTCDateTime(index: array of integer): TDateTime; |
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procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload; |
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procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZone: AnsiString); overload; |
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procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload; |
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procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload; |
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12. Utility functions in IBUtils |
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function ParseDateTimeTZString(aDateTimeStr: Ansistring; var aDateTime: TDateTime; |
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var aTimezone: AnsiString; aFormatSettings: TFormatSettings; TimeOnly: boolean=false): boolean; |
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procedure FBDecodeTime(aTime: TDateTime; var Hour, Minute, Second: word; var DeciMillisecond: cardinal); |
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function FBEncodeTime(Hour, Minute, Second, DeciMillisecond: cardinal): TDateTime; |
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function FBFormatDateTime(fmt: AnsiString; aDateTime: TDateTime): AnsiString; |
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function FormatTimeZoneOffset(EffectiveTimeOffsetMins: integer): AnsiString; |
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function DecodeTimeZoneOffset(TZOffset: AnsiString; var dstOffset: integer): boolean; |
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13. IDPB, ITPB and ISPB: new interface method |
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function AddByTypeName(ParamTypeName: AnsiString): IDPBItem/ITPBItem/ISPBItem; |
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This is used to add a parameter block item by the string equivalent of its |
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symbolic type name. e.g. DPB.AddByTypeName('isc_dpb_user_name').AsString := '...' |
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14. IDPBItem/ITPBItem/ISPBItem: new interface method: |
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function getParamTypeName: AnsiString; |
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15. fb_shutdown now called before unloading Firebird library. This can avoid a |
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SIGEVENT error when a programme using the embeded server is unloaded. |
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FBINTF Change Log version (1.1-6 Build 12237) Tue, 21 Jul 2020 08:54:21 +0100 |
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1. GetImplementationVersion now correctly returns '3.0' for Firebird 3 API |
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with a Firebrid 3 client library. |
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2. Linux Only: FIREBIRD environment variable is now checked when loading the client library. |
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If a client library path is not explicitly provided and the FIREBIRD environment |
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variable is set then the directory given by this variable and any 'lib' subdirectory |
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are searched for the Firebird client library. Only if none is found, is the default |
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client library used. |
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3. IUtil.FormatStatus now used to format error messages when using new API |
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4. Fixed Array SDL: array_desc_scale now correctly encoded as a signed integer. |
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5. SQL_TEXT handling changed. When the value of an SQL_TEXT (i.e. fixed width string) column is |
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returned using GetAsString and the string codepage is UTF8, the string is truncated so |
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that the byte length corresponds to the number of characters specified for the column. |
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SQL_TEXT strings are no longer automatically trimmed to remove all trailing white space. This is |
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correct behaviour but may affect some implementations that relied upon automatic |
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trimming of trailing white space. |
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6. New IFirebirdAPI Calls: |
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function GetClientMajor: integer; |
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function GetClientMinor: integer; |
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7. IColumnMetaData and IArrayMetaData: new method |
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function GetCharSetWidth: integer; |
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FBINTF Change Log version (1.1-5 Build 12022) Fri, 17 Apr 2020 10:35:55 +0100 |
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1. ISQLParams.GetHasCaseSensitiveParams added. Returns true if param names are |
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case sensitive |
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2. Single line SQL comments starting with '--' are now recognised by SQL Parser. |
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3. New API Calls: |
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IColumnMetaData.GetStatement |
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IColumnMetaData.GetTransaction |
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ISQLData.GetStrDataLength |
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IResults.GetStatement |
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IAttachment.OpenBlob (using Blob metadata) |
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IAttachment.OpenArray (using array metadata) |
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4. FBMessages: removal of unused messages |
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5. TFBArray.Create (2nd case): ensure that FFirebirdClientAPI is correctly set. |
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6. TIBSQLStatementType: SQLSavePoint added to end of enumeration. |
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FBINTF Change Log version (1.1-4 Build 11515) Fri, 28 Dec 2018 10:04:19 +0000 |
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1. Fix a problem with the SQL parameter parser that failed to recognise parameters |
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where the second character of the parameter name is a numeric. |
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2. New method for IAttachment: procedure getFBVersion(version: TStrings); |
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This returns the isc_version connection information as one or more lines. |
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This is the same information as returned by isql with the -z option. |
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3. If -dFIREBIRD3APIONLY is used as a compiler option then the legacy Firebird API |
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is no longer compiled in. Likewise, if -dLEGACYFIREBIRDAPIONLY is used as a |
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compiler option then the Firebird 3 API is no longer compiled in. |
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4. IColumnMetaData: new method. |
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TIBDateTimeFormats = (dfTimestamp, {SQL TIMESTAMP} |
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dfDateTime, {SQL DATETIME} |
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dfTime); |
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function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer; |
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This returns the max. number of characters returned by the "AsString" method |
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when the SQL type of the column is respectively TIMESTAMP, DATETIME or TIME. |
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5. Additional argument for IAttachment.PrepareWithNamedParameters - |
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CaseSensitiveParams: boolean = false |
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If this argument is set to true then SQL parameter names are assumed to be case |
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sensitive and must be referenced (using ISQLParams.ByName) using the case |
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sensitive name. |
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6. Bug fix: when setting a query parameter, it is now possible, when the parameter |
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is of type VarChar or Char to set the parameter to a numeric value (e.g. using |
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.AsCurrency) and then subsequently to update the value to a non-numeric string |
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using .AsString. |
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FBINTF Change Log version (1.1-3) Wed, 05 Dec 2018 14:28:10 +0000 |
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1. DARWIN only syntax error: fix missing semi-colon in TFBClientAPI.LoadIBLibrary |
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2. Restrict IsMultiThread check to Unix only for compatibility with |
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https://bugs.freepascal.org/view.php?id=30535 |
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3. New SQL Tokeniser added to IBUtils. This is used to pre-process SQL with |
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named parameters and is intended to avoid problems with (e.g.) Execute Block |
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and processing internal parameters as statement parameters. |
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4. New interface IFirebirdLibrary provides access to the underlying firebird DLL |
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or shared object. Available via a new member (GetFBLibrary) of IFirebirdAPI. |
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5. New function added to IB.pas |
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function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary |
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This allows a Firebird Library to be loaded from an explicit path. use the |
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IFirebirdLibrary.GetFirebirdAPI member function to get the Firebird API using |
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the library. It is possible to load Firebird libraries from different locations |
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simultaneously, each with a distinct IFirebirdAPI. |
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FBINTF Change Log version (1.1-2) Mon, 16 Apr 2018 09:30:32 +0100 |
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1. Firebird.pas: {$OBJECTCHECKS OFF} added to file to avoid runtime error when |
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program compiled with -CR command line switch. |
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2. IServiceManager additions (informational): |
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function getProtocol: TProtocol; |
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function getPortNo: AnsiString; |
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3. IServiceManager improved error handling. Interfaces changed: |
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function Start(Request: ISRB; RaiseExceptionOnError: boolean=true): boolean; |
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function Query(SQPB: ISQPB; Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload; |
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function Query(Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload; |
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4. IAttachment addition (informational) |
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function GetSecurityDatabase: AnsiString; |
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5. IStatement: performance counters now updated after each Fetch. GetPerfStatistics |
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thus now returns accumulated stats for a select statement from opening a cursor |
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up to the last fetch. |
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6. DARWIN: uloadlibrary.inc bug fix. Many thanks to Luigi Naimi for correcting |
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the problem. |
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7. Type change: "TPerfCounters = array[TPerfStats] of Int64". Note "Int64" |
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replaces deprecated "comp" type. |
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10. Testsuite Test10 updated to include thread synchronisation for event reporting. |
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11. URL Connection Strings: inet4 and inet6 now recognised. |
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12. IBUtils: Parse and Make Connect String now recognise URL style loopback syntax. |
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13. IAttachment.CharSetName2CharSetID is now performed case insensitive. |
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FBINTF Change Log version (1.1-1) Tue, 27 Feb 2018 16:51:16 +0000 |
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1. IBUtils.QuoteIdentifierIfNeeded: Add check for space character. |
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2. IAttachment: add two new methods |
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function HasDefaultCharSet: boolean; |
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function GetDefaultCharSetID: integer; |
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These return, respectively, true if a connection default character set was |
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specified and the character set id of the connection default character set. |
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The DefaultCharSetID is cached when the connection is opened and hence does not |
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require a database lookup. |
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3. Avoid exception when a text blob is a stored procedure parameter. |
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4. Update test suite to include a test for a stored proc returning a text blob. |
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5. IAttachment: add |
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function GetRemoteProtocol: AnsiString; |
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function GetODSMajorVersion: integer; |
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function GetODSMinorVersion: integer; |
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function GetAuthenticationMethod: AnsiString; |
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These results are cached when the connection is opened and hence do not |
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require a database lookup. |
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6. IAttachment: add "function GetConnectString: AnsiString;" This returns the |
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connect string used to create/connect to the database. |
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7. IAttachment: Create Database using SQL statement. The username and password |
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are now extracted and used to populate a DPB made available via IAttachment.getDPB. |
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It is now possible to use IAttachment disconnect/connect to reconnect to |
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a database for which the initial connection was established by a create |
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database sql statement. Available in FPC only. |
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8. Update Test 1 to test 5, 6 and 7 above. |
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9. IBUtils code tidy up. |
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10. Parameter Block interfaces "find" method. As documented, this should have |
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returned a nil interface when the item could not be found. Instead, an empty |
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interface item was returned. "Find" now works as documented and will return |
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a nil interface if the item cannot be found. |
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11. DBInformation: support added for isc_info_active_tran_count and isc_info_creation_date. |
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12. DBInformation: New interfaces: IDIRB and IDIRBItem added to support DB Information |
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requests with additional parameters. This is to enable support for fb_info_page_contents |
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(return of page contents). Response to fb_info_page_contents returned as |
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a string with code page CP_NONE. |
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13. DBInformation: Support for fb_info_pages_used and fb_info_pages_free added, plus |
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test suite updated. |
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14. DBInformation: Support for fb_info_crypt_key (Firebird 3.0.3 onwards) added as |
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a string type, and fb_info_conn_flags (Firebird 3.0.3 onwards) added as an integer type. |
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15. Service Manager: List of protocols supported expanded to include inet, wnet and xnet. |
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An overloaded version of IIFirebirdAPI.GetServiceManager also allows a non |
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default connection port to be specified. |
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FBINTF Change Log version (1.1-0) Sun, 07 Jan 2018 15:20:02 +0000 |
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1. Fix issues with setting SQL Param values using SetAsString with Numeric types. |
