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FBINTF Change Log version (1.3-2 Build 12832) Fri, 15 Oct 2021 12:03:18 +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 Note this can risk out-of-date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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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.
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Scale is no longer ignored.
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2. Fix issues with setting SQL Param values using SetAsString with Date values
|
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not in locale format but which are recognised by Firebird. Date values that
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cannot be converted to a string using Pascal library are now passed through
|
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to Firebird as Text Strings.
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|
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3. Lookup character set name by codepage amended to ensure that CP_UTF8 returns
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UTF8 and not UNICODE_FSS.
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4. Charset ID problem. When using Firebird 3, with no default database character set
|
| 389 |
and a column has a non-default collation specified, an incorrect character set
|
| 390 |
id was being reported that could result in a 'division by zero' error when
|
| 391 |
used by IBX. This has now been fixed.
|
| 392 |
|
| 393 |
5. Move GetCharsetName, CharSetID2CodePage, CodePage2CharSetID, CharSetName2CharSetID,
|
| 394 |
CharSetWidth from IFirebirdAPI to IAttachment. This is a better data model as
|
| 395 |
the character sets supported can be updated on a per database basis. That is
|
| 396 |
it is possible to add a (Firebird) user defined character set to a database.
|
| 397 |
|
| 398 |
6. Add RegisterCharSet to IAttachment. This is used to register a user defined character
|
| 399 |
set supported by Firebird with the API.
|
| 400 |
|
| 401 |
7. Add missing isc_info_db_read_only to list of decoded Database Information items
|
| 402 |
in FBOutputBlock.pas and update test suite to include this item.
|
| 403 |
|
| 404 |
8. FB30Client: avoid always using "StartMultiple" when only a single database attachment.
|
| 405 |
|
| 406 |
9. Loading Windows fbclient.dll: when using the FIREBIRD variable to locate the client
|
| 407 |
library or finding it by disk location, the PATH environment variable is now also set to
|
| 408 |
include the FIREBIRD directory. This is to ensure that the correct dlls in the
|
| 409 |
firebird client library dependencies are loaded.
|
| 410 |
|
| 411 |
10. Testsuite: Ensure consistent UTF-8 output on Windows console.
|
| 412 |
|
| 413 |
11. Testsuite: Update Windows script to include FPC 3.0.4 in search path.
|
| 414 |
|
| 415 |
12. FB30Statement: Protect call to "Move" and avoid calling with a nil pointer
|
| 416 |
|
| 417 |
13. FB30Statement: A check has been added to ensure that all SQL Parameters
|
| 418 |
have been given a value (including NULL). Previously, failing to set the
|
| 419 |
value of an SQL Parameter could give rise to unpredictable results or
|
| 420 |
an SQLDA error.
|
| 421 |
|
| 422 |
14. FB30Statement/FB25Statement: Set SQLParam "modified" when string value set.
|
| 423 |
|
| 424 |
15. FBAttachment: Avoid string reference count error when processing an Ansistring
|
| 425 |
parameter in an array of const passed to IAttachment.OpenCursor, etc.
|
| 426 |
|
| 427 |
16. FBAttachment: Allow for WideString and UnicodeString parameters in an array
|
| 428 |
of const passed to IAttachment.OpenCursor, etc.
|
| 429 |
|
| 430 |
|
| 431 |
FBINTF Change Log version (1.0-2) Sat, 04 Mar 2017 14:43:56 +0000
|
| 432 |
|
| 433 |
1. Change syntax to Mode Delphi
|
| 434 |
|
| 435 |
2. Change all uses of string type to explicit AnsiString in order to ensure
|
| 436 |
compatibility between Delphi and FPC.
|
| 437 |
|
| 438 |
3. Various syntax changes to ensure Delphi and FPC compilation including GUIDs
|
| 439 |
defined for each interface.
|
| 440 |
|
| 441 |
4. Generics syntax variations for Delphi added
|
| 442 |
|
| 443 |
5. PChar replaced with PByte expect where an actual string is being referenced,
|
| 444 |
where PAnsiChar is used instead.
|
| 445 |
|
| 446 |
6. Review of type definitions in IBExternals to ensure Delphi compatibility
|
| 447 |
|
| 448 |
7. Testsuite updated for Delphi
|
| 449 |
|
| 450 |
FBINTF Change Log version (1.0-1) Fri, 24 Feb 2017 12:17:57 +0000
|
| 451 |
|
| 452 |
1. Limit maximum Blob segment read/write to MaxuShort. Avoids data loss with
|
| 453 |
large blobs and the FB3 API.
|
| 454 |
|
| 455 |
2. Update Event Handling algorithm to avoid looping due to recreation of the
|
| 456 |
event block.
|
| 457 |
|
| 458 |
3. Avoid invalid XSQLDA error when the only parameter is updated to null
|
| 459 |
|
| 460 |
4. Array Handling: fix problem with text arrays with character set none. When the
|
| 461 |
DB connection has a default character set (e.g. UTF8), an error is raised by
|
| 462 |
Firebird if the space allocated is not enough to allow for transliteration, even
|
| 463 |
though it is not required for character set none.
|
| 464 |
|
| 465 |
5. IBUtils: List of reserved words brought up-to-date
|
| 466 |
|
| 467 |
6. Add ISQL style performance statistics collection to IStatement
|
| 468 |
|
| 469 |
7. Add IFirebirdAPI.CreateDatabase variant to allow execution of user provided
|
| 470 |
CREATE DATABASE statement.
|
| 471 |
|
| 472 |
8. Update SQL Statement parsing to allow for Array Dimensions. That is so that the ':' in
|
| 473 |
an array dimension is not mistaken for a named parameter prefix.
|
| 474 |
|
| 475 |
9. Trim function no longer applied to result of GetAsString for SQL_TEXT
|
| 476 |
when Character set is octets. Avoids loss of non printable characters at start of string.
|
| 477 |
|
| 478 |
10. Add function GetPerfStatistics to IStatement. This returns ISQL like performance
|
| 479 |
statistics for the last action. Requires use of procedure IStatement.EnableStatistics
|
| 480 |
to enable stats gathering.
|
| 481 |
|
| 482 |
11. API Version information added as constants to IB.pas
|
| 483 |
|
| 484 |
12. BlobMetaData character set id should now be the same as that given by IColumnMetaData.GetCharSetID
|
| 485 |
|
| 486 |
13. Firebird Character set "NONE" now interpreted as codepage CP_ACP.
|
| 487 |
|
| 488 |
FBINTF Change Log version (1.0-0) Tue, 06 Dec 2016 10:33:47 +0000
|
| 489 |
|
| 490 |
1. Initial Release
|
| 491 |
|
