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root/public/ibx/trunk/fbintf/IB.pas

Comparing ibx/trunk/fbintf/IB.pas (file contents):
Revision 241 by tony, Thu Oct 25 13:57:12 2018 UTC vs.
Revision 347 by tony, Mon Sep 20 22:08:20 2021 UTC

#	Line 73 | Line 73 | unit IB;
73		{$IFEND}
74		{$ENDIF}
75
76	+	{$IFNDEF LEGACYFIREBIRDAPIONLY}
77		{$DEFINE USEFIREBIRD3API}
78	+	{$ENDIF}
79	+	{$IFNDEF FIREBIRD3APIONLY}
80		{$DEFINE USELEGACYFIREBIRDAPI}
81	+	{$ENDIF}
82
83		{
84		This unit defines the interfaces used to provide the Pascal Language
#	Line 122 | Line 126 | unit IB;
126		interface
127
128		uses
129	<	Classes, SysUtils, DB, FBMessages, IBExternals;
129	>	Classes,
130	>	{$IFDEF WINDOWS}Windows, {$ENDIF}
131	>	{$IFDEF FPC} Dynlibs, {$ENDIF}
132	>	SysUtils, DB, FBMessages, IBExternals, FmtBcd;
133
134		const
135		{Interface version information}
136		FBIntf_Major = 1;
137	<	FBIntf_Minor = 1;
138	<	FBIntf_Release = 3;
139	<	FBIntf_Version = '1.1.3';
137	>	FBIntf_Minor = 3;
138	>	FBIntf_Release = 2;
139	>	FBIntf_Version = '1.3.2';
140	>
141	>	const
142	>	{DPB, TPB and SPB Parameter Block Name Prefixes}
143	>	DPBPrefix = 'isc_dpb_';
144	>	TPBPrefix = 'isc_tpb_';
145	>
146	>	const
147	>	{Time Zone ID constraint}
148	>	MaxOffsetTimeZoneID = 2879; {lower values represent a time zone offset between
149	>	-23:59 and 23:59. Higher values are keys to the
150	>	Time Zone database.}
151	>
152	>	TimeZoneID_GMT = 23*minsPerHour + 59;
153	>	decimillisecondsPerSecond = 10000;
154	>	TimeZoneDisplacementDelta = 60*23 + 59; {23:59 in minutes}
155
156		{These include files are converted from the 'C' originals in the Firebird API
157		and define the various constants used by the API}
158
159		{$I 'include/consts_pub.inc'}
160	+	{$I 'include/dyn_consts.inc'}
161		{$I 'include/inf_pub.inc'}
162		{$I 'include/configkeys.inc'}
163	+	{$I 'include/blr.inc'}
164
165		{The following constants define the values return by calls to the GetSQLType
166		methods provided by several of the interfaces defined below.}
#	Line 158 | Line 182 | const
182		SQL_TYPE_TIME                  =        560;
183		SQL_TYPE_DATE                  =        570;
184		SQL_INT64                      =        580;
185	+	SQL_TIMESTAMP_TZ_EX            =        32748;
186	+	SQL_TIME_TZ_EX                 =        32750;
187	+	SQL_INT128                     =        32752;
188		SQL_BOOLEAN                    =        32764;
189	+	SQL_TIMESTAMP_TZ               =        32754;
190	+	SQL_TIME_TZ                    =        32756;
191	+	SQL_DEC_FIXED                  =        32758;    {FB4 Beta 1 only}
192	+	SQL_DEC16                      =        32760;
193	+	SQL_DEC34                      =        32762;
194	+	SQL_NULL                       =        32766;
195		SQL_DATE                       =        SQL_TIMESTAMP;
196
197		type
#	Line 173 | Line 206 | type
206		PISC_QUAD            = ^TISC_QUAD;
207
208		{$IFNDEF FPC}
209	+	{Delphi missing definitions}
210	+	type
211	+	TLibHandle = THandle;
212	+
213	+	const
214	+	NilHandle = 0;
215	+	DirectorySeparator = '\';
216	+
217		{Delphi only seems to define CP_UTF8 and CP_UTF16}
218		const
219		CP_ACP     = 0;     // default to ANSI code page
#	Line 195 | Line 236 | type
236		SQLGetSegment, SQLPutSegment,
237		SQLExecProcedure, SQLStartTransaction,
238		SQLCommit, SQLRollback,
239	<	SQLSelectForUpdate, SQLSetGenerator);
239	>	SQLSelectForUpdate, SQLSetGenerator,
240	>	SQLSavePoint);
241
242		TFBStatusCode = cardinal;
243		TByteArray = array of byte;
244	+	TFBTimeZoneID = ISC_USHORT;
245
246	+	IFirebirdAPI = interface;
247		IAttachment = interface;
248		ITransaction = interface;
249	+	IStatement = interface;
250
251		{The IParameterBlock interface provides the template for all parameter
252		block interfaces}
#	Line 216 | Line 261 | type
261		property Items[index: integer]: _IItem read getItems; default;
262		end;
263
264	+	IParameterBlockWithTypeNames<_IItem> = interface(IParameterBlock<_IItem>)
265	+	function AddByTypeName(ParamTypeName: AnsiString): _IItem;
266	+	function GetDPBParamTypeName(ParamType: byte): Ansistring; deprecated 'Use Get ParamTypeName';
267	+	function GetParamTypeName(ParamType: byte): Ansistring;
268	+	end;
269	+
270		{IParameterBlockItem is not used on its own but instead provides a base type for
271		different parameter block items }
272
#	Line 233 | Line 284 | type
284		property AsInteger: integer read getAsInteger write SetAsInteger;
285		end;
286
287	+	IParameterBlockItemWithTypeName = interface(IParameterBlockItem)
288	+	function getParamTypeName: AnsiString;
289	+	end;
290
291		{The IStatus interface provides access to error information, if any, returned
292		by the last API call. It can also be used to customise the error message
#	Line 241 | Line 295 | type
295		This interface can be accessed from IFirebirdAPI.
296		}
297
298	+	TIBDataBaseErrorMessage    = (ShowSQLCode,
299	+	ShowIBMessage,
300	+	ShowSQLMessage);
301	+
302	+	TIBDataBaseErrorMessages   = set of TIBDataBaseErrorMessage;
303	+
304	+	TStatusCode = long;
305	+
306		IStatus = interface
307		['{34167722-af38-4831-b08a-93162d58ede3}']
308	<	function GetIBErrorCode: Long;
309	<	function Getsqlcode: Long;
308	>	function GetIBErrorCode: TStatusCode;
309	>	function Getsqlcode: TStatusCode;
310		function GetMessage: AnsiString;
311		function CheckStatusVector(ErrorCodes: array of TFBStatusCode): Boolean;
312		function GetIBDataBaseErrorMessages: TIBDataBaseErrorMessages;
#	Line 267 | Line 329 | type
329		function GetSQLTypeName: AnsiString;
330		function GetScale: integer;
331		function GetSize: cardinal;
332	+	function GetCharSetWidth: integer;
333		function GetCharSetID: cardinal;
334		function GetTableName: AnsiString;
335		function GetColumnName: AnsiString;
#	Line 305 | Line 368 | type
368		function GetAsBoolean(index: array of integer): boolean;
369		function GetAsCurrency(index: array of integer): Currency;
370		function GetAsInt64(index: array of integer): Int64;
371	<	function GetAsDateTime(index: array of integer): TDateTime;
371	>	function GetAsDateTime(index: array of integer): TDateTime; overload;
372	>	procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
373	>	procedure GetAsDateTime(index: array of integer; var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
374	>	procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
375	>	procedure GetAsTime(index: array of integer; var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
376	>	function GetAsUTCDateTime(index: array of integer): TDateTime;
377		function GetAsDouble(index: array of integer): Double;
378		function GetAsFloat(index: array of integer): Float;
379		function GetAsLong(index: array of integer): Long;
380		function GetAsShort(index: array of integer): Short;
381		function GetAsString(index: array of integer): AnsiString;
382		function GetAsVariant(index: array of integer): Variant;
383	+	function GetAsBCD(index: array of integer): tBCD;
384		procedure SetAsInteger(index: array of integer; AValue: integer);
385		procedure SetAsBoolean(index: array of integer; AValue: boolean);
386		procedure SetAsCurrency(index: array of integer; Value: Currency);
387		procedure SetAsInt64(index: array of integer; Value: Int64);
388		procedure SetAsDate(index: array of integer; Value: TDateTime);
389	+	procedure SetAsDateTime(index: array of integer; Value: TDateTime); overload;
390	+	procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
391	+	procedure SetAsDateTime(index: array of integer; aValue: TDateTime; aTimeZone: AnsiString); overload;
392	+	procedure SetAsTime(index: array of integer; Value: TDateTime); overload;
393	+	procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
394	+	procedure SetAsTime(index: array of integer; aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
395	+	procedure SetAsUTCDateTime(index: array of integer; aUTCTime: TDateTime);
396		procedure SetAsLong(index: array of integer; Value: Long);
321	–	procedure SetAsTime(index: array of integer; Value: TDateTime);
322	–	procedure SetAsDateTime(index: array of integer; Value: TDateTime);
397		procedure SetAsDouble(index: array of integer; Value: Double);
398		procedure SetAsFloat(index: array of integer; Value: Float);
399		procedure SetAsShort(index: array of integer; Value: Short);
400		procedure SetAsString(index: array of integer; Value: AnsiString);
401		procedure SetAsVariant(index: array of integer; Value: Variant);
402	+	procedure SetAsBcd(index: array of integer; aValue: tBCD);
403		procedure SetBounds(dim, UpperBound, LowerBound: integer);
404		function GetAttachment: IAttachment;
405		function GetTransaction: ITransaction;
#	Line 395 | Line 470 | type
470		the output of an SQL Statement.
471		}
472
473	+	TIBDateTimeFormats = (dfTimestamp, {SQL TIMESTAMP}
474	+	dfDateTime,   {SQL DATETIME}
475	+	dfTime,      {SQL TIME}
476	+	dfTimestampTZ, {SQL_TIMESTAMP_TZ}
477	+	dfTimeTZ);       {SQLTIME_TZ
478	+
479		{ IColumnMetaData }
480
481		IColumnMetaData = interface
#	Line 411 | Line 492 | type
492		function getScale: integer;
493		function getCharSetID: cardinal;
494		function getCodePage: TSystemCodePage;
495	+	function GetCharSetWidth: integer;
496		function getIsNullable: boolean;
497		function GetSize: cardinal;
498		function GetArrayMetaData: IArrayMetaData; {Valid only for Array SQL Type}
499		function GetBlobMetaData: IBlobMetaData; {Valid only for Blob SQL Type}
500	+	function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
501	+	function GetStatement: IStatement;
502	+	function GetTransaction: ITransaction;
503		property Name: AnsiString read GetName;
504		property Size: cardinal read GetSize;
505		property SQLType: cardinal read GetSQLType;
#	Line 456 | Line 541 | type
541
542		ISQLData = interface(IColumnMetaData)
543		['{3f493e31-7e3f-4606-a07c-b210b9e3619d}']
544	+	function GetStrDataLength: short;
545		function GetAsBoolean: boolean;
546		function GetAsCurrency: Currency;
547		function GetAsInt64: Int64;
548	<	function GetAsDateTime: TDateTime;
548	>	function GetAsDateTime: TDateTime; overload;
549	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
550	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
551	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
552	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
553	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
554	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
555	>	function GetAsUTCDateTime: TDateTime;
556		function GetAsDouble: Double;
557		function GetAsFloat: Float;
558		function GetAsLong: Long;
#	Line 472 | Line 565 | type
565		function GetAsBlob: IBlob; overload;
566		function GetAsBlob(BPB: IBPB): IBlob; overload;
567		function GetAsArray: IArray;
568	+	function GetAsBCD: tBCD;
569		property AsDate: TDateTime read GetAsDateTime;
570		property AsBoolean:boolean read GetAsBoolean;
571		property AsTime: TDateTime read GetAsDateTime;
#	Line 489 | Line 583 | type
583		property AsVariant: Variant read GetAsVariant ;
584		property AsBlob: IBlob read GetAsBlob;
585		property AsArray: IArray read GetAsArray;
586	+	property AsBCD: tBCD read GetAsBCD;
587		property IsNull: Boolean read GetIsNull;
588		property Value: Variant read GetAsVariant;
589		end;
#	Line 502 | Line 597 | type
597		IResults = interface
598		['{e836b2bb-93d1-4bbf-a8eb-7ce535de3bb5}']
599		function getCount: integer;
600	+	function GetStatement: IStatement;
601		function GetTransaction: ITransaction;
602		function ByName(Idx: AnsiString): ISQLData;
603		function getSQLData(index: integer): ISQLData;
#	Line 554 | Line 650 | type
650		function GetAsBoolean: boolean;
651		function GetAsCurrency: Currency;
652		function GetAsInt64: Int64;
653	<	function GetAsDateTime: TDateTime;
653	>	function GetAsDateTime: TDateTime; overload;
654	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
655	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
656	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
657	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
658	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
659	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
660	>	function GetAsUTCDateTime: TDateTime;
661		function GetAsDouble: Double;
662		function GetAsFloat: Float;
663		function GetAsLong: Long;
#	Line 566 | Line 669 | type
669		function GetAsVariant: Variant;
670		function GetAsBlob: IBlob;
671		function GetAsArray: IArray;
672	+	function GetAsBCD: tBCD;
673	+	function GetStatement: IStatement;
674	+	function GetTransaction: ITransaction;
675		procedure Clear;
676		function GetModified: boolean;
677		procedure SetAsBoolean(AValue: boolean);
#	Line 573 | Line 679 | type
679		procedure SetAsInt64(aValue: Int64);
680		procedure SetAsDate(aValue: TDateTime);
681		procedure SetAsLong(aValue: Long);
682	<	procedure SetAsTime(aValue: TDateTime);
683	<	procedure SetAsDateTime(aValue: TDateTime);
682	>	procedure SetAsTime(aValue: TDateTime); overload;
683	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
684	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
685	>	procedure SetAsTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
686	>	procedure SetAsTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
687	>	procedure SetAsDateTime(aValue: TDateTime); overload;
688	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
689	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
690	>	procedure SetAsUTCDateTime(aUTCTime: TDateTime);
691		procedure SetAsDouble(aValue: Double);
692		procedure SetAsFloat(aValue: Float);
693		procedure SetAsPointer(aValue: Pointer);
#	Line 586 | Line 699 | type
699		procedure SetAsArray(anArray: IArray);
700		procedure SetAsQuad(aValue: TISC_QUAD);
701		procedure SetCharSetID(aValue: cardinal);
702	+	procedure SetAsBcd(aValue: tBCD);
703		property AsDate: TDateTime read GetAsDateTime write SetAsDate;
704		property AsBoolean:boolean read GetAsBoolean write SetAsBoolean;
705		property AsTime: TDateTime read GetAsDateTime write SetAsTime;
#	Line 602 | Line 716 | type
716		property AsVariant: Variant read GetAsVariant write SetAsVariant;
717		property AsBlob: IBlob read GetAsBlob write SetAsBlob;
718		property AsArray: IArray read GetAsArray write SetAsArray;
719	+	property AsBCD: tBCD read GetAsBCD write SetAsBCD;
720		property AsQuad: TISC_QUAD read GetAsQuad write SetAsQuad;
721		property Value: Variant read GetAsVariant write SetAsVariant;
722		property IsNull: Boolean read GetIsNull write SetIsNull;
#	Line 622 | Line 737 | type
737		function getSQLParam(index: integer): ISQLParam;
738		function ByName(Idx: AnsiString): ISQLParam ;
739		function GetModified: Boolean;
740	+	function GetHasCaseSensitiveParams: Boolean;
741		property Modified: Boolean read GetModified;
742		property Params[index: integer]: ISQLParam read getSQLParam; default;
743		property Count: integer read getCount;
#	Line 634 | Line 750 | type
750
751		TPerfCounters = array[TPerfStats] of Int64;
752
753	+	{Batch Query Execution Support}
754	+
755	+	TBatchCompletionState = (bcExecuteFailed, bcSuccessNoInfo, bcNoMoreErrors);
756	+
757	+	IBatchCompletion = interface
758	+	['{9bc3d49d-16d9-4606-94e5-ee987103ad92}']
759	+	function getTotalProcessed: cardinal;
760	+	function getState(updateNo: cardinal): TBatchCompletionState;
761	+	function getStatusMessage(updateNo: cardinal): AnsiString;
762	+	function getUpdated: integer;
763	+	function getErrorStatus(var RowNo: integer; var status: IStatus): boolean;
764	+	end;
765	+
766		{The IStatement interface provides access to an SQL Statement once it has been
767		initially prepared. The interface is returned from the IAttachment interface.
768		}
#	Line 645 | Line 774 | type
774		function GetPlan: AnsiString;
775		function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
776		function GetSQLStatementType: TIBSQLStatementTypes;
777	+	function GetSQLStatementTypeName: AnsiString;
778		function GetSQLText: AnsiString;
779	+	function GetProcessedSQLText: AnsiString;
780		function GetSQLDialect: integer;
781		function IsPrepared: boolean;
782	+	function HasBatchMode: boolean;
783	+	function IsInBatchMode: boolean;
784		procedure Prepare(aTransaction: ITransaction=nil);
785		function Execute(aTransaction: ITransaction=nil): IResults;
786		function OpenCursor(aTransaction: ITransaction=nil): IResultSet;
#	Line 656 | Line 789 | type
789		procedure SetRetainInterfaces(aValue: boolean);
790		procedure EnableStatistics(aValue: boolean);
791		function GetPerfStatistics(var stats: TPerfCounters): boolean;
792	+	{IBatch interface support}
793	+	procedure AddToBatch;
794	+	function ExecuteBatch(aTransaction: ITransaction=nil): IBatchCompletion;
795	+	procedure CancelBatch;
796	+	function GetBatchCompletion: IBatchCompletion;
797	+	function GetBatchRowLimit: integer;
798	+	procedure SetBatchRowLimit(aLimit: integer);
799	+	{Stale Reference Check}
800	+	procedure SetStaleReferenceChecks(Enable:boolean); {default true}
801	+	function GetStaleReferenceChecks: boolean;
802	+
803		property MetaData: IMetaData read GetMetaData;
804		property SQLParams: ISQLParams read GetSQLParams;
805		property SQLStatementType: TIBSQLStatementTypes read GetSQLStatementType;
#	Line 672 | Line 816 | type
816		found in the Interbase 6.0 API Guide.
817		}
818
819	<	ITPBItem = interface(IParameterBlockItem)
819	>	ITPBItem = interface(IParameterBlockItemWithTypeName)
820		['{544c1f2b-7c12-4a87-a4a5-face7ea72671}']
821	+	function getParamTypeName: AnsiString;
822		end;
823
824	<	ITPB = interface(IParameterBlock<ITPBItem>)
824	>	ITPB = interface(IParameterBlockWithTypeNames<ITPBItem>)
825		['{7369b0ff-defe-437b-81fe-19b211d42d25}']
826		end;
827
#	Line 742 | Line 887 | type
887		function GetAttachment: IAttachment;
888		end;
889
890	+	TTZTextOptions = (tzOffset,      {Time Zone Rendered as an offset to GMT}
891	+	tzGMT,         {No Time Zone. Time part is always rendered in GMT}
892	+	tzOriginalID); {Time Zone shown as originally entered}
893	+
894	+	{The ITimeZoneServices interface provides access to the time zone database
895	+	used for the attachment. It may be used in support of TIMESTAMP WITH TIME ZONE
896	+	and TIME WITH TIME ZONE data types.}
897	+
898	+	ITimeZoneServices = interface
899	+	['{163821f5-ebef-42b9-ac60-8ac4b5c09954}']
900	+	{utility functions}
901	+	function TimeZoneID2TimeZoneName(aTimeZoneID: TFBTimeZoneID): AnsiString;
902	+	function TimeZoneName2TimeZoneID(aTimeZone: AnsiString): TFBTimeZoneID;
903	+	function LocalTimeToGMT(aLocalTime: TDateTime; aTimeZone: AnsiString): TDateTime; overload;
904	+	function LocalTimeToGMT(aLocalTime: TDateTime; aTimeZoneID: TFBTimeZoneID): TDateTime; overload;
905	+	function GMTToLocalTime(aGMTTime: TDateTime; aTimeZone: AnsiString): TDateTime; overload;
906	+	function GMTToLocalTime(aGMTTime: TDateTime; aTimeZoneID: TFBTimeZoneID): TDateTime; overload;
907	+	function GetEffectiveOffsetMins(aLocalTime: TDateTime; aTimeZone: AnsiString): integer; overload;
908	+	function GetEffectiveOffsetMins(aLocalTime: TDateTime; aTimeZoneID: TFBTimeZoneID): integer; overload;
909	+
910	+	{Time Zone DB Information}
911	+	function UsingRemoteTZDB: boolean;
912	+	procedure SetUseLocalTZDB(useLocalTZDB: boolean);
913	+	function GetLocalTimeZoneName: AnsiString;
914	+	function GetLocalTimeZoneID: TFBTimeZoneID;
915	+	procedure GetTimeZoneInfo(aTimeZone: AnsiString; OnDate: TDateTime;
916	+	var ZoneOffset, DSTOffset, EffectiveOffset: integer);
917	+	{Configurable Options}
918	+	function GetTimeTZDate: TDateTime;
919	+	procedure SetTimeTZDate(aDate: TDateTime);
920	+	function GetTZTextOption: TTZTextOptions;
921	+	procedure SetTZTextOption(aOptionValue: TTZTextOptions);
922	+	end;
923	+
924		{The IDBInformation Interface.
925
926		An IDBInformation interface is returned by the  IAttachment GetDBInformation
#	Line 770 | Line 949 | type
949		function getSize: integer;
950		procedure getRawBytes(var Buffer);
951		function getAsString: AnsiString;
952	<	function getAsInteger: integer;
952	>	function getAsInteger: int64;
953		procedure DecodeIDCluster(var ConnectionType: integer; var DBFileName, DBSiteName: AnsiString);
954		function getAsBytes: TByteArray;
955		function getAsDateTime: TDateTime;
#	Line 782 | Line 961 | type
961		function GetCount: integer;
962		function GetItem(index: integer): IDBInfoItem;
963		function Find(ItemType: byte): IDBInfoItem;
964	<	property AsInteger: integer read getAsInteger;
964	>	property AsInteger: int64 read getAsInteger;
965		property AsString: AnsiString read GetAsString;
966		property Count: integer read GetCount;
967		property Items[index: integer]: IDBInfoItem read getItem; default;
#	Line 825 | Line 1004 | type
1004		found in the Interbase 6.0 API Guide.
1005		}
1006
1007	<	IDPBItem = interface(IParameterBlockItem)
1007	>	IDPBItem = interface(IParameterBlockItemWithTypeName)
1008		['{123d4ad0-087a-4cd1-a344-1b3d03b30673}']
1009		end;
1010
1011	<	IDPB = interface(IParameterBlock<IDPBItem>)
1012	<	['{e676067b-1cf4-4eba-9256-9724f57e0d16}']
1013	<	end;
1011	>	IDPB = interface(IParameterBlockWithTypeNames<IDPBItem>)
1012	>	['{e676067b-1cf4-4eba-9256-9724f57e0d16}']
1013	>	end;
1014
1015		{The IAttachment interface provides access to a Database Connection. It may be
1016		used to:
#	Line 862 | Line 1041 | type
1041
1042		IAttachment = interface
1043		['{466e9b67-9def-4807-b3e7-e08a35e7185c}']
1044	+	function getFirebirdAPI: IFirebirdAPI;
1045		function getDPB: IDPB;
1046		function AllocateBPB: IBPB;
1047		function AllocateDIRB: IDIRB;
#	Line 897 | Line 1077 | type
1077		function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IStatement; overload;
1078		function Prepare(transaction: ITransaction; sql: AnsiString): IStatement; overload;
1079		function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
1080	<	aSQLDialect: integer; GenerateParamNames: boolean=false): IStatement; overload;
1080	>	aSQLDialect: integer; GenerateParamNames: boolean=false;
1081	>	CaseSensitiveParams: boolean = false): IStatement; overload;
1082		function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
1083	<	GenerateParamNames: boolean=false): IStatement; overload;
1083	>	GenerateParamNames: boolean=false;
1084	>	CaseSensitiveParams: boolean = false): IStatement; overload;
1085
1086		{Events}
1087		function GetEventHandler(Events: TStrings): IEvents; overload;
#	Line 910 | Line 1092 | type
1092		function CreateBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BPB: IBPB=nil): IBlob; overload;
1093		function CreateBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BPB: IBPB=nil): IBlob; overload;
1094		function CreateBlob(transaction: ITransaction; SubType: integer; CharSetID: cardinal=0; BPB: IBPB=nil): IBlob; overload;
1095	<	function OpenBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob;
1095	>	function OpenBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload;
1096	>	function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob;  overload;
1097	>	function GetInlineBlobLimit: integer;
1098	>	procedure SetInlineBlobLimit(limit: integer);
1099
1100		{Array - may use to open existing arrays. However, ISQLData.AsArray is preferred}
1101
1102	<	function OpenArray(transaction: ITransaction; RelationName, ColumnName: AnsiString; ArrayID: TISC_QUAD): IArray;
1102	>	function OpenArray(transaction: ITransaction; RelationName, ColumnName: AnsiString; ArrayID: TISC_QUAD): IArray; overload;
1103	>	function OpenArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData; ArrayID: TISC_QUAD): IArray; overload;
1104		function CreateArray(transaction: ITransaction; RelationName, ColumnName: AnsiString): IArray; overload;
1105		function CreateArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData): IArray; overload;
1106		function CreateArrayMetaData(SQLType: cardinal; tableName: AnsiString; columnName: AnsiString;
#	Line 934 | Line 1120 | type
1120		function GetSecurityDatabase: AnsiString;
1121		function GetODSMajorVersion: integer;
1122		function GetODSMinorVersion: integer;
1123	+	procedure getFBVersion(version: TStrings);
1124		function HasActivity: boolean;
1125	+	function HasDecFloatSupport: boolean;
1126	+	function HasBatchMode: boolean;
1127
1128		{Character Sets}
1129		function HasDefaultCharSet: boolean;
#	Line 946 | Line 1135 | type
1135		function CharSetWidth(CharSetID: integer; var Width: integer): boolean;
1136		procedure RegisterCharSet(CharSetName: AnsiString; CodePage: TSystemCodePage;
1137		AllowReverseLookup:boolean; out CharSetID: integer);
1138	<	end;
1138	>
1139	>	{Time Zone Database}
1140	>	function GetTimeZoneServices: ITimeZoneServices;
1141	>	function HasTimeZoneSupport: boolean;
1142	>	end;
1143
1144		TProtocolAll = (TCP, SPX, NamedPipe, Local, inet, inet4, inet6, wnet, xnet, unknownProtocol);
1145		TProtocol = TCP..xnet;
#	Line 963 | Line 1156 | type
1156
1157		}
1158
1159	<	ISPBItem = interface(IParameterBlockItem)
1159	>	ISPBItem = interface(IParameterBlockItemWithTypeName)
1160		['{5d08ae2b-4519-41bd-8b40-97cd451c3f6a}']
1161		end;
1162
1163	<	ISPB = interface(IParameterBlock<ISPBItem>)
1163	>	ISPB = interface(IParameterBlockWithTypeNames<ISPBItem>)
1164		['{2c5836fd-41ed-4426-9b7d-5af580ec2659}']
1165		end;
1166
#	Line 1027 | Line 1220 | type
1220		function getSize: integer;
1221		procedure getRawBytes(var Buffer);
1222		function getAsString: AnsiString;
1223	<	function getAsInteger: integer;
1223	>	function getAsInteger: int64;
1224		function getAsByte: byte;
1225		function CopyTo(stream: TStream; count: integer): integer;
1226		property AsString: AnsiString read getAsString;
1227	<	property AsInteger: integer read getAsInteger;
1227	>	property AsInteger: int64 read getAsInteger;
1228		property AsByte: byte read getAsByte;
1229		end;
1230
#	Line 1054 | Line 1247 | type
1247		property Count: integer read getCount;
1248		end;
1249
1250	+	IFirebirdLibrary = interface;
1251	+
1252		{The IServiceManager interface provides access to a service manager. It can
1253		used to Detach and re-attach to Service Manager, to start services and to
1254		query the service manager.
#	Line 1065 | Line 1260 | type
1260
1261		IServiceManager = interface
1262		['{905b587d-1e1f-4e40-a3f8-a3519f852e48}']
1263	+	function getFirebirdAPI: IFirebirdAPI;
1264		function getSPB: ISPB;
1265		function getServerName: AnsiString;
1266		function getProtocol: TProtocol;
#	Line 1079 | Line 1275 | type
1275		function Query(Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
1276		end;
1277
1278	+	{Tbe Firebird Library API used to get information about the Firebird library}
1279	+
1280	+
1281	+	IFirebirdLibrary = interface
1282	+	['{3c04e0a1-12e0-428a-b2e1-bc6fcd97b79b}']
1283	+	function GetHandle: TLibHandle;
1284	+	function GetLibraryName: string;
1285	+	function GetLibraryFilePath: string;
1286	+	function GetFirebirdAPI: IFirebirdAPI;
1287	+	end;
1288	+
1289		{The Firebird API.
1290
1291		This is the base interface and is used to create/open a database connection, to
#	Line 1087 | Line 1294 | type
1294		The interface is returned by the FirebirdAPI function.
1295		}
1296
1297	+	{ IFirebirdAPI }
1298	+
1299		IFirebirdAPI = interface
1300		['{edeee691-c8d3-4dcf-a780-cd7e432821d5}']
1301		{Database connections}
#	Line 1110 | Line 1319 | type
1319
1320		{Information}
1321		function GetStatus: IStatus;
1113	–	function GetLibraryName: string;
1322		function HasRollbackRetaining: boolean;
1323		function IsEmbeddedServer: boolean;
1324		function GetImplementationVersion: AnsiString;
1325	+	function GetClientMajor: integer;
1326	+	function GetClientMinor: integer;
1327	+	function HasDecFloatSupport: boolean;
1328	+	function HasLocalTZDB: boolean;
1329	+	function HasTimeZoneSupport: boolean;
1330	+	function HasExtendedTZSupport: boolean;
1331
1332		{Firebird 3 API}
1333		function HasMasterIntf: boolean;
1334	<	function GetIMaster: TObject;
1334	>	function GetIMaster: TObject;  deprecated 'Use FirebirdAPI.QueryInterface and FBClientLib.pas IFBIMasterProvider instead';
1335	>	function GetFBLibrary: IFirebirdLibrary;
1336		end;
1337
1338		type
#	Line 1152 | Line 1367 | type
1367		{IB Client Exceptions}
1368		EIBClientError = class(EIBError);
1369
1370	<	{IBError is used internally and by IBX to throw an EIBClientError}
1371	<
1157	<	procedure IBError(ErrMess: TIBClientError; const Args: array of const);
1370	>	{Used to explicitly report a Batch Buffer overflow}
1371	>	EIBBatchBufferOverflow = class(EIBError);
1372
1373		{The Firebird API function is used to access the IFirebirdAPI interface.
1374
#	Line 1165 | Line 1379 | procedure IBError(ErrMess: TIBClientErro
1379		function FirebirdAPI: IFirebirdAPI;
1380
1381		{IBX support functions. Probably best ignored i.e. always used the FirebirdAPI
1382	<	functino to load the library and check if it's loaded.}
1382	>	function to load the library and check if it's loaded.}
1383
1384		function TryIBLoad: Boolean;
1385		procedure CheckIBLoaded;
1386
1387	+	{If you want to explicitly load the Firebird library from a
1388	+	non-default location then use this function and its GetFirebirdAPI function
1389	+	to get the API.}
1390	+
1391	+	function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary;
1392	+
1393	+
1394		implementation
1395
1396		uses FBClientAPI
1397		{$IFDEF USELEGACYFIREBIRDAPI}, FB25ClientAPI {$ENDIF}
1398		{$IFDEF USEFIREBIRD3API}, FB30ClientAPI {$ENDIF};
1399
1400	<	var FFirebirdAPI: IFirebirdAPI;
1400	>	var FDefaultFBLibrary: IFirebirdLibrary;
1401	>
1402	>	type
1403	>
1404	>	{ TFBLibrary }
1405	>
1406	>	TFBLibraryImpl = class(TFBLibrary)
1407	>	protected
1408	>	function GetFirebird3API: IFirebirdAPI; override;
1409	>	function GetLegacyFirebirdAPI: IFirebirdAPI; override;
1410	>	end;
1411	>
1412	>	function TFBLibraryImpl.GetFirebird3API: IFirebirdAPI;
1413	>	begin
1414	>	{$IFDEF USEFIREBIRD3API}
1415	>	Result := TFB30ClientAPI.Create(self);
1416	>	{$ELSE}
1417	>	Result := nil;
1418	>	{$ENDIF}
1419	>	end;
1420	>
1421	>	function TFBLibraryImpl.GetLegacyFirebirdAPI: IFirebirdAPI;
1422	>	begin
1423	>	{$IFDEF USELEGACYFIREBIRDAPI}
1424	>	Result := TFB25ClientAPI.Create(self);
1425	>	{$ELSE}
1426	>	Result := nil;
1427	>	{$ENDIF}
1428	>	end;
1429
1430		function FirebirdAPI: IFirebirdAPI;
1431		begin
1432	<	if FFirebirdAPI = nil then
1432	>	if FDefaultFBLibrary = nil then
1433		CheckIBLoaded;
1434	<	Result := FFirebirdAPI;
1434	>	Result := FDefaultFBLibrary.GetFirebirdAPI;
1435		end;
1436
1437		function TryIBLoad: Boolean;
1438	+	var fblib: IFirebirdLibrary;
1439		begin
1440	<	Result := FFirebirdAPI <> nil;
1440	>	Result := FDefaultFBLibrary <> nil;
1441		try
1192	–	{$IFDEF USEFIREBIRD3API}
1442		if not Result then
1443		begin
1444	<	FFirebirdAPI := TFB30ClientAPI.Create;
1445	<	Result := FFirebirdAPI.HasMasterIntf;
1446	<	end;
1447	<	{$ENDIF}
1199	<	{$IFDEF USELEGACYFIREBIRDAPI}
1200	<	if not Result then
1201	<	begin
1202	<	FFirebirdAPI := nil;
1203	<	FFirebirdAPI := TFB25ClientAPI.Create;
1204	<	Result := true;
1205	<	end;
1206	<	{$ENDIF}
1207	<	if Result and not (FFirebirdAPI as TFBClientAPI).IsLibraryLoaded then
1208	<	begin
1209	<	Result := false;
1210	<	FFirebirdAPI := nil;
1444	>	fblib := TFBLibraryImpl.Create;
1445	>	if (fblib <> nil) and (fblib.GetFirebirdAPI <> nil) then
1446	>	FDefaultFBLibrary := fblib;
1447	>	Result := FDefaultFBLibrary <> nil;
1448		end;
1449		except
1450		SysUtils.showexception(ExceptObject,ExceptAddr);
#	Line 1221 | Line 1458 | begin
1458		IBError(ibxeInterBaseMissing, [nil]);
1459		end;
1460
1461	+	function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary;
1462	+	var fblib: IFirebirdLibrary;
1463	+	begin
1464	+	if trim(aLibPathName) = '' then
1465	+	begin
1466	+	CheckIBLoaded;
1467	+	Result := FDefaultFBLibrary;
1468	+	end
1469	+	else
1470	+	begin
1471	+	fblib := TFBLibraryImpl.GetFBLibrary(aLibPathName);
1472	+	if (fblib = nil) or (fblib.GetFirebirdAPI = nil) then
1473	+	IBError(ibxeInterBaseMissing, [nil]);
1474	+	Result := fblib;
1475	+	end;
1476	+	end;
1477	+
1478		{ EIBError }
1479
1480		constructor EIBError.Create(ASQLCode: Long; Msg: AnsiString);
#	Line 1244 | Line 1498 | begin
1498		FIBErrorCode := AIBErrorCode;
1499		end;
1500
1247	–	procedure IBError(ErrMess: TIBClientError; const Args: array of const);
1248	–	begin
1249	–	raise EIBClientError.Create(Ord(ErrMess),
1250	–	Format(GetErrorMessage(ErrMess), Args));
1251	–	end;
1501
1502		initialization
1503	<	FFirebirdAPI := nil;
1503	>	FDefaultFBLibrary := nil;
1504
1505		finalization
1506	<	FFirebirdAPI := nil;
1506	>	FDefaultFBLibrary := nil;
1507
1508		end.
1509

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