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root/public/ibx/branches/journaling/fbintf/IB.pas

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ibx/trunk/fbintf/IB.pas (file contents), Revision 109 by tony, Thu Jan 18 14:37:48 2018 UTC vs.
ibx/branches/journaling/fbintf/IB.pas (file contents), Revision 362 by tony, Tue Dec 7 13:27:39 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 = 0;
138	<	FBIntf_Release = 2;
139	<	FBIntf_Version = '1.0.2';
137	>	FBIntf_Minor = 3;
138	>	FBIntf_Release = 3;
139	>	FBIntf_Version = '1.3.3';
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 518 | Line 614 | type
614		}
615		IResultSet = interface(IResults)
616		['{0ae4979b-7857-4e8c-8918-ec6f155b51a0}']
617	<	function FetchNext: boolean;
617	>	function FetchNext: boolean; {fetch next record}
618	>	function FetchPrior: boolean; {fetch previous record}
619	>	function FetchFirst:boolean; {fetch first record}
620	>	function FetchLast: boolean; {fetch last record}
621	>	function FetchAbsolute(position: Integer): boolean; {fetch record by its absolute position in result set}
622	>	function FetchRelative(offset: Integer): boolean; {fetch record by position relative to current}
623		function GetCursorName: AnsiString;
624	+	function IsBof: boolean;
625		function IsEof: boolean;
626		procedure Close;
627		end;
628
629		{The ISQLParam interface is used to provide access to each parameter in a
630	<	parametised SQL Statement. It subclasses IColumnMetaData and this part of
529	<	the interface may be used to access information on the expected SQL Type, etc.
530	<
531	<	It also subclasses ISQLData and this part of the interface may be used to access
532	<	current values for each parameter.
533	<
534	<	Otherwise, the interface comprises the Setter Methods and properties used to
630	>	parametised SQL Statement. The interface comprises the Setter Methods and properties used to
631		set the value of each parameter.
632
633		Automatic conversion is provided to and from strings. That is GetAsString and
634		SetAsString are safe to use for sql types other than boolean - provided automatic
635		conversion is possible.
636	+
637	+	ISQLParam is subclassed from the IParamMetaData interface. This interface provides
638	+	access to the parameter metadata. This metadata is mutable and can change after
639	+	a parameter is set to a given value. This is acceptable as long as the parameter
640	+	metadata is type compatible with the underlying column metadata and hence the
641	+	parameter value can be converted by Firebird into a value acceptable by the
642	+	underlying column. The column metadata, which is unmutable, can be obtained
643	+	by the ISQLParam.getColMetadata interface. When a statement is prepared, the
644	+	parameter metadata is always initialised to the column metadata.
645		}
646
647	<	ISQLParam = interface
648	<	['{b22b4578-6d41-4807-a9a9-d2ec8d1d5a14}']
544	<	function GetIndex: integer;
647	>	IParamMetaData = interface
648	>	['{4e148c4e-2d48-4991-a263-f66eca05c6aa}']
649		function GetSQLType: cardinal;
650		function GetSQLTypeName: AnsiString;
651		function getSubtype: integer;
548	–	function getName: AnsiString;
652		function getScale: integer;
653		function getCharSetID: cardinal;
654		function getCodePage: TSystemCodePage;
655		function getIsNullable: boolean;
656		function GetSize: cardinal;
657	+	property SQLType: cardinal read GetSQLType;
658	+	end;
659	+
660	+	ISQLParam = interface(IParamMetaData)
661	+	['{b22b4578-6d41-4807-a9a9-d2ec8d1d5a14}']
662	+	function getColMetadata: IParamMetaData;
663	+	function GetIndex: integer;
664	+	function getName: AnsiString;
665		function GetAsBoolean: boolean;
666		function GetAsCurrency: Currency;
667		function GetAsInt64: Int64;
668	<	function GetAsDateTime: TDateTime;
668	>	function GetAsDateTime: TDateTime; overload;
669	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
670	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
671	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
672	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
673	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
674	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
675	>	function GetAsUTCDateTime: TDateTime;
676		function GetAsDouble: Double;
677		function GetAsFloat: Float;
678		function GetAsLong: Long;
#	Line 566 | Line 684 | type
684		function GetAsVariant: Variant;
685		function GetAsBlob: IBlob;
686		function GetAsArray: IArray;
687	+	function GetAsBCD: tBCD;
688	+	function GetStatement: IStatement;
689	+	function GetTransaction: ITransaction;
690		procedure Clear;
691		function GetModified: boolean;
692		procedure SetAsBoolean(AValue: boolean);
#	Line 573 | Line 694 | type
694		procedure SetAsInt64(aValue: Int64);
695		procedure SetAsDate(aValue: TDateTime);
696		procedure SetAsLong(aValue: Long);
697	<	procedure SetAsTime(aValue: TDateTime);
698	<	procedure SetAsDateTime(aValue: TDateTime);
697	>	procedure SetAsTime(aValue: TDateTime); overload;
698	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
699	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
700	>	procedure SetAsTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
701	>	procedure SetAsTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
702	>	procedure SetAsDateTime(aValue: TDateTime); overload;
703	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
704	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
705	>	procedure SetAsUTCDateTime(aUTCTime: TDateTime);
706		procedure SetAsDouble(aValue: Double);
707		procedure SetAsFloat(aValue: Float);
708		procedure SetAsPointer(aValue: Pointer);
#	Line 586 | Line 714 | type
714		procedure SetAsArray(anArray: IArray);
715		procedure SetAsQuad(aValue: TISC_QUAD);
716		procedure SetCharSetID(aValue: cardinal);
717	+	procedure SetAsBcd(aValue: tBCD);
718		property AsDate: TDateTime read GetAsDateTime write SetAsDate;
719		property AsBoolean:boolean read GetAsBoolean write SetAsBoolean;
720		property AsTime: TDateTime read GetAsDateTime write SetAsTime;
#	Line 602 | Line 731 | type
731		property AsVariant: Variant read GetAsVariant write SetAsVariant;
732		property AsBlob: IBlob read GetAsBlob write SetAsBlob;
733		property AsArray: IArray read GetAsArray write SetAsArray;
734	+	property AsBCD: tBCD read GetAsBCD write SetAsBCD;
735		property AsQuad: TISC_QUAD read GetAsQuad write SetAsQuad;
736		property Value: Variant read GetAsVariant write SetAsVariant;
737		property IsNull: Boolean read GetIsNull write SetIsNull;
738		property IsNullable: Boolean read GetIsNullable;
739		property Modified: Boolean read getModified;
740		property Name: AnsiString read GetName;
611	–	property SQLType: cardinal read GetSQLType;
741		end;
742
743		{
#	Line 622 | Line 751 | type
751		function getSQLParam(index: integer): ISQLParam;
752		function ByName(Idx: AnsiString): ISQLParam ;
753		function GetModified: Boolean;
754	+	function GetHasCaseSensitiveParams: Boolean;
755		property Modified: Boolean read GetModified;
756		property Params[index: integer]: ISQLParam read getSQLParam; default;
757		property Count: integer read getCount;
#	Line 632 | Line 762 | type
762		psRealTime, psUserTime, psBuffers,
763		psReads, psWrites, psFetches,psDeltaMemory);
764
765	<	TPerfCounters = array[TPerfStats] of comp;
765	>	TPerfCounters = array[TPerfStats] of Int64;
766	>
767	>	{Batch Query Execution Support}
768	>
769	>	TBatchCompletionState = (bcExecuteFailed, bcSuccessNoInfo, bcNoMoreErrors);
770	>
771	>	IBatchCompletion = interface
772	>	['{9bc3d49d-16d9-4606-94e5-ee987103ad92}']
773	>	function getTotalProcessed: cardinal;
774	>	function getState(updateNo: cardinal): TBatchCompletionState;
775	>	function getStatusMessage(updateNo: cardinal): AnsiString;
776	>	function getUpdated: integer;
777	>	function getErrorStatus(var RowNo: integer; var status: IStatus): boolean;
778	>	end;
779
780		{The IStatement interface provides access to an SQL Statement once it has been
781		initially prepared. The interface is returned from the IAttachment interface.
782		}
783
784	+	TStatementFlag = (stHasCursor,stRepeatExecute,stScrollable);
785	+	TStatementFlags = set of TStatementFlag;
786	+
787		IStatement = interface
788		['{a260576d-a07d-4a66-b02d-1b72543fd7cf}']
789		function GetMetaData: IMetaData;  {Output Metadata}
#	Line 645 | Line 791 | type
791		function GetPlan: AnsiString;
792		function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
793		function GetSQLStatementType: TIBSQLStatementTypes;
794	+	function GetSQLStatementTypeName: AnsiString;
795		function GetSQLText: AnsiString;
796	+	function GetProcessedSQLText: AnsiString;
797		function GetSQLDialect: integer;
798	+	function GetFlags: TStatementFlags;
799		function IsPrepared: boolean;
800	<	procedure Prepare(aTransaction: ITransaction=nil);
800	>	function HasBatchMode: boolean;
801	>	function IsInBatchMode: boolean;
802	>	procedure Prepare(aTransaction: ITransaction=nil); overload;
803	>	procedure Prepare(CursorName: AnsiString; aTransaction: ITransaction=nil); overload;
804		function Execute(aTransaction: ITransaction=nil): IResults;
805	<	function OpenCursor(aTransaction: ITransaction=nil): IResultSet;
805	>	function OpenCursor(aTransaction: ITransaction=nil): IResultSet; overload;
806	>	function OpenCursor(Scrollable: boolean; aTransaction: ITransaction=nil): IResultSet; overload;
807		function GetAttachment: IAttachment;
808		function GetTransaction: ITransaction;
809		procedure SetRetainInterfaces(aValue: boolean);
810		procedure EnableStatistics(aValue: boolean);
811		function GetPerfStatistics(var stats: TPerfCounters): boolean;
812	+	{IBatch interface support}
813	+	procedure AddToBatch;
814	+	function ExecuteBatch(aTransaction: ITransaction=nil): IBatchCompletion;
815	+	procedure CancelBatch;
816	+	function GetBatchCompletion: IBatchCompletion;
817	+	function GetBatchRowLimit: integer;
818	+	procedure SetBatchRowLimit(aLimit: integer);
819	+	{Stale Reference Check}
820	+	procedure SetStaleReferenceChecks(Enable:boolean); {default true}
821	+	function GetStaleReferenceChecks: boolean;
822	+
823		property MetaData: IMetaData read GetMetaData;
824		property SQLParams: ISQLParams read GetSQLParams;
825		property SQLStatementType: TIBSQLStatementTypes read GetSQLStatementType;
826		end;
827
828	+	ITrInfoItem = interface
829	+	['{41455e1a-f84e-4e26-aff0-1a78e8b69cfe}']
830	+	function getItemType: byte;
831	+	function getSize: integer;
832	+	function getAsString: AnsiString;
833	+	function getAsInteger: int64;
834	+	procedure DecodeTraIsolation(var IsolationType, RecVersion: byte);
835	+	end;
836	+
837	+	{ ITrInformation }
838	+
839	+	ITrInformation = interface
840	+	['{e6ea4a52-c1a1-44ba-9609-c8bcc7cba7b2}']
841	+	function GetCount: integer;
842	+	function GetItem(index: integer): ITrInfoItem;
843	+	function Find(ItemType: byte): ITrInfoItem;
844	+	procedure PrintBuf; {can be used to print buffer in hex for debugging}
845	+	property Count: integer read GetCount;
846	+	property Items[index: integer]: ITrInfoItem read getItem; default;
847	+	end;
848	+
849		{Transaction Parameter Block: (TPB)
850
851		The TPB provides the parameters used when starting a transaction. It is allocated
#	Line 672 | Line 857 | type
857		found in the Interbase 6.0 API Guide.
858		}
859
860	<	ITPBItem = interface(IParameterBlockItem)
860	>	ITPBItem = interface(IParameterBlockItemWithTypeName)
861		['{544c1f2b-7c12-4a87-a4a5-face7ea72671}']
862	+	function getParamTypeName: AnsiString;
863		end;
864
865	<	ITPB = interface(IParameterBlock<ITPBItem>)
865	>	ITPB = interface(IParameterBlockWithTypeNames<ITPBItem>)
866		['{7369b0ff-defe-437b-81fe-19b211d42d25}']
867		end;
868
#	Line 696 | Line 882 | type
882		function getTPB: ITPB;
883		procedure Start(DefaultCompletion: TTransactionCompletion=taCommit);
884		function GetInTransaction: boolean;
885	+	function GetIsReadOnly: boolean;
886	+	function GetTransactionID: integer;
887		procedure PrepareForCommit; {Two phase commit - stage 1}
888		procedure Commit(Force: boolean=false);
889		procedure CommitRetaining;
#	Line 704 | Line 892 | type
892		procedure RollbackRetaining;
893		function GetAttachmentCount: integer;
894		function GetAttachment(index: integer): IAttachment;
895	+	function GetTrInformation(Requests: array of byte): ITrInformation; overload;
896	+	function GetTrInformation(Request: byte): ITrInformation; overload;
897		property InTransaction: boolean read GetInTransaction;
898		end;
899
#	Line 742 | Line 932 | type
932		function GetAttachment: IAttachment;
933		end;
934
935	+	TTZTextOptions = (tzOffset,      {Time Zone Rendered as an offset to GMT}
936	+	tzGMT,         {No Time Zone. Time part is always rendered in GMT}
937	+	tzOriginalID); {Time Zone shown as originally entered}
938	+
939	+	{The ITimeZoneServices interface provides access to the time zone database
940	+	used for the attachment. It may be used in support of TIMESTAMP WITH TIME ZONE
941	+	and TIME WITH TIME ZONE data types.}
942	+
943	+	ITimeZoneServices = interface
944	+	['{163821f5-ebef-42b9-ac60-8ac4b5c09954}']
945	+	{utility functions}
946	+	function TimeZoneID2TimeZoneName(aTimeZoneID: TFBTimeZoneID): AnsiString;
947	+	function TimeZoneName2TimeZoneID(aTimeZone: AnsiString): TFBTimeZoneID;
948	+	function LocalTimeToGMT(aLocalTime: TDateTime; aTimeZone: AnsiString): TDateTime; overload;
949	+	function LocalTimeToGMT(aLocalTime: TDateTime; aTimeZoneID: TFBTimeZoneID): TDateTime; overload;
950	+	function GMTToLocalTime(aGMTTime: TDateTime; aTimeZone: AnsiString): TDateTime; overload;
951	+	function GMTToLocalTime(aGMTTime: TDateTime; aTimeZoneID: TFBTimeZoneID): TDateTime; overload;
952	+	function GetEffectiveOffsetMins(aLocalTime: TDateTime; aTimeZone: AnsiString): integer; overload;
953	+	function GetEffectiveOffsetMins(aLocalTime: TDateTime; aTimeZoneID: TFBTimeZoneID): integer; overload;
954	+
955	+	{Time Zone DB Information}
956	+	function UsingRemoteTZDB: boolean;
957	+	procedure SetUseLocalTZDB(useLocalTZDB: boolean);
958	+	function GetLocalTimeZoneName: AnsiString;
959	+	function GetLocalTimeZoneID: TFBTimeZoneID;
960	+	procedure GetTimeZoneInfo(aTimeZone: AnsiString; OnDate: TDateTime;
961	+	var ZoneOffset, DSTOffset, EffectiveOffset: integer);
962	+	{Configurable Options}
963	+	function GetTimeTZDate: TDateTime;
964	+	procedure SetTimeTZDate(aDate: TDateTime);
965	+	function GetTZTextOption: TTZTextOptions;
966	+	procedure SetTZTextOption(aOptionValue: TTZTextOptions);
967	+	end;
968	+
969		{The IDBInformation Interface.
970
971		An IDBInformation interface is returned by the  IAttachment GetDBInformation
#	Line 770 | Line 994 | type
994		function getSize: integer;
995		procedure getRawBytes(var Buffer);
996		function getAsString: AnsiString;
997	<	function getAsInteger: integer;
997	>	function getAsInteger: int64;
998		procedure DecodeIDCluster(var ConnectionType: integer; var DBFileName, DBSiteName: AnsiString);
999		function getAsBytes: TByteArray;
1000	+	function getAsDateTime: TDateTime;
1001		procedure DecodeVersionString(var Version: byte; var VersionString: AnsiString);
1002		function getOperationCounts: TDBOperationCounts;
1003		procedure DecodeUserNames(UserNames: TStrings);
#	Line 781 | Line 1006 | type
1006		function GetCount: integer;
1007		function GetItem(index: integer): IDBInfoItem;
1008		function Find(ItemType: byte): IDBInfoItem;
1009	<	property AsInteger: integer read getAsInteger;
1009	>	property AsInteger: int64 read getAsInteger;
1010		property AsString: AnsiString read GetAsString;
1011		property Count: integer read GetCount;
1012		property Items[index: integer]: IDBInfoItem read getItem; default;
#	Line 799 | Line 1024 | type
1024		property Items[index: integer]: IDBInfoItem read getItem; default;
1025		end;
1026
1027	+	{The Database Information Request Block is used to pass requests for
1028	+	database information where at least one item requested has a parameter.
1029	+	At present, this is only fb_info_page_contents which has a single
1030	+	integer parameter.}
1031	+
1032	+	IDIRBItem = interface(IParameterBlockItem)
1033	+	['{d34a7511-8435-4a24-81a7-5103d218d234}']
1034	+	end;
1035	+
1036	+	IDIRB = interface(IParameterBlock<IDIRBItem>)
1037	+	['{1010e5ac-0a8f-403b-a302-91625e9d9579}']
1038	+	end;
1039	+
1040	+
1041		{The Database Parameter Block (DPB).
1042
1043		The DPB provides the parameters used when connecting to a database. It is allocated
#	Line 810 | Line 1049 | type
1049		found in the Interbase 6.0 API Guide.
1050		}
1051
1052	<	IDPBItem = interface(IParameterBlockItem)
1052	>	IDPBItem = interface(IParameterBlockItemWithTypeName)
1053		['{123d4ad0-087a-4cd1-a344-1b3d03b30673}']
1054		end;
1055
1056	<	IDPB = interface(IParameterBlock<IDPBItem>)
1057	<	['{e676067b-1cf4-4eba-9256-9724f57e0d16}']
1058	<	end;
1056	>	IDPB = interface(IParameterBlockWithTypeNames<IDPBItem>)
1057	>	['{e676067b-1cf4-4eba-9256-9724f57e0d16}']
1058	>	end;
1059
1060		{The IAttachment interface provides access to a Database Connection. It may be
1061		used to:
#	Line 847 | Line 1086 | type
1086
1087		IAttachment = interface
1088		['{466e9b67-9def-4807-b3e7-e08a35e7185c}']
1089	+	function getFirebirdAPI: IFirebirdAPI;
1090		function getDPB: IDPB;
1091		function AllocateBPB: IBPB;
1092	+	function AllocateDIRB: IDIRB;
1093		procedure Connect;
1094		procedure Disconnect(Force: boolean=false);
1095		function IsConnected: boolean;
#	Line 863 | Line 1104 | type
1104		function ExecuteSQL(transaction: ITransaction; sql: AnsiString; SQLDialect: integer; params: array of const): IResults; overload;
1105		function ExecuteSQL(TPB: array of byte; sql: AnsiString; params: array of const): IResults; overload;
1106		function ExecuteSQL(transaction: ITransaction; sql: AnsiString; params: array of const): IResults; overload;
1107	<	function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
1107	>	function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
1108	>	Scrollable: boolean=false): IResultSet; overload;
1109		function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
1110		params: array of const): IResultSet; overload;
1111	<	function OpenCursor(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
1111	>	function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
1112	>	function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean;
1113	>	params: array of const): IResultSet; overload;
1114		function OpenCursor(transaction: ITransaction; sql: AnsiString;
1115		params: array of const): IResultSet; overload;
1116	<	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
1116	>	function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
1117	>	params: array of const): IResultSet; overload;
1118	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
1119	>	Scrollable: boolean=false): IResultSet; overload;
1120		function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
1121		params: array of const): IResultSet; overload;
1122	<	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
1122	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
1123	>	params: array of const): IResultSet; overload;
1124	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
1125		function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString;
1126		params: array of const): IResultSet; overload;
1127	<	function OpenCursorAtStart(sql: AnsiString): IResultSet; overload;
1127	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean;
1128	>	params: array of const): IResultSet; overload;
1129	>	function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
1130	>	function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean;
1131	>	params: array of const): IResultSet; overload;
1132		function OpenCursorAtStart(sql: AnsiString;
1133		params: array of const): IResultSet; overload;
1134	<	function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IStatement; overload;
1135	<	function Prepare(transaction: ITransaction; sql: AnsiString): IStatement; overload;
1134	>	function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; CursorName: AnsiString=''): IStatement; overload;
1135	>	function Prepare(transaction: ITransaction; sql: AnsiString; CursorName: AnsiString=''): IStatement; overload;
1136		function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
1137	<	aSQLDialect: integer; GenerateParamNames: boolean=false): IStatement; overload;
1137	>	aSQLDialect: integer; GenerateParamNames: boolean=false;
1138	>	CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
1139		function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
1140	<	GenerateParamNames: boolean=false): IStatement; overload;
1140	>	GenerateParamNames: boolean=false;
1141	>	CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
1142
1143		{Events}
1144		function GetEventHandler(Events: TStrings): IEvents; overload;
#	Line 894 | Line 1149 | type
1149		function CreateBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BPB: IBPB=nil): IBlob; overload;
1150		function CreateBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BPB: IBPB=nil): IBlob; overload;
1151		function CreateBlob(transaction: ITransaction; SubType: integer; CharSetID: cardinal=0; BPB: IBPB=nil): IBlob; overload;
1152	<	function OpenBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob;
1152	>	function OpenBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload;
1153	>	function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob;  overload;
1154	>	function GetInlineBlobLimit: integer;
1155	>	procedure SetInlineBlobLimit(limit: integer);
1156
1157		{Array - may use to open existing arrays. However, ISQLData.AsArray is preferred}
1158
1159	<	function OpenArray(transaction: ITransaction; RelationName, ColumnName: AnsiString; ArrayID: TISC_QUAD): IArray;
1159	>	function OpenArray(transaction: ITransaction; RelationName, ColumnName: AnsiString; ArrayID: TISC_QUAD): IArray; overload;
1160	>	function OpenArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData; ArrayID: TISC_QUAD): IArray; overload;
1161		function CreateArray(transaction: ITransaction; RelationName, ColumnName: AnsiString): IArray; overload;
1162		function CreateArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData): IArray; overload;
1163		function CreateArrayMetaData(SQLType: cardinal; tableName: AnsiString; columnName: AnsiString;
#	Line 911 | Line 1170 | type
1170		function GetArrayMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IArrayMetaData;
1171		function GetDBInformation(Requests: array of byte): IDBInformation; overload;
1172		function GetDBInformation(Request: byte): IDBInformation; overload;
1173	+	function GetDBInformation(Requests: IDIRB): IDBInformation; overload;
1174	+	function GetConnectString: AnsiString;
1175	+	function GetRemoteProtocol: AnsiString;
1176	+	function GetAuthenticationMethod: AnsiString;
1177	+	function GetSecurityDatabase: AnsiString;
1178	+	function GetODSMajorVersion: integer;
1179	+	function GetODSMinorVersion: integer;
1180	+	procedure getFBVersion(version: TStrings);
1181		function HasActivity: boolean;
1182	+	function HasDecFloatSupport: boolean;
1183	+	function HasBatchMode: boolean;
1184	+	function HasScollableCursors: boolean;
1185
1186		{Character Sets}
1187		function HasDefaultCharSet: boolean;
#	Line 923 | Line 1193 | type
1193		function CharSetWidth(CharSetID: integer; var Width: integer): boolean;
1194		procedure RegisterCharSet(CharSetName: AnsiString; CodePage: TSystemCodePage;
1195		AllowReverseLookup:boolean; out CharSetID: integer);
926	–	end;
1196
1197	<	TProtocol = (TCP, SPX, NamedPipe, Local);
1197	>	{Time Zone Database}
1198	>	function GetTimeZoneServices: ITimeZoneServices;
1199	>	function HasTimeZoneSupport: boolean;
1200	>	end;
1201	>
1202	>	TProtocolAll = (TCP, SPX, NamedPipe, Local, inet, inet4, inet6, wnet, xnet, unknownProtocol);
1203	>	TProtocol = TCP..xnet;
1204
1205		{Service Parameter Block (SPB).
1206
#	Line 939 | Line 1214 | type
1214
1215		}
1216
1217	<	ISPBItem = interface(IParameterBlockItem)
1217	>	ISPBItem = interface(IParameterBlockItemWithTypeName)
1218		['{5d08ae2b-4519-41bd-8b40-97cd451c3f6a}']
1219		end;
1220
1221	<	ISPB = interface(IParameterBlock<ISPBItem>)
1221	>	ISPB = interface(IParameterBlockWithTypeNames<ISPBItem>)
1222		['{2c5836fd-41ed-4426-9b7d-5af580ec2659}']
1223		end;
1224
#	Line 1003 | Line 1278 | type
1278		function getSize: integer;
1279		procedure getRawBytes(var Buffer);
1280		function getAsString: AnsiString;
1281	<	function getAsInteger: integer;
1281	>	function getAsInteger: int64;
1282		function getAsByte: byte;
1283		function CopyTo(stream: TStream; count: integer): integer;
1284		property AsString: AnsiString read getAsString;
1285	<	property AsInteger: integer read getAsInteger;
1285	>	property AsInteger: int64 read getAsInteger;
1286		property AsByte: byte read getAsByte;
1287		end;
1288
#	Line 1030 | Line 1305 | type
1305		property Count: integer read getCount;
1306		end;
1307
1308	+	IFirebirdLibrary = interface;
1309	+
1310		{The IServiceManager interface provides access to a service manager. It can
1311		used to Detach and re-attach to Service Manager, to start services and to
1312		query the service manager.
#	Line 1041 | Line 1318 | type
1318
1319		IServiceManager = interface
1320		['{905b587d-1e1f-4e40-a3f8-a3519f852e48}']
1321	+	function getFirebirdAPI: IFirebirdAPI;
1322		function getSPB: ISPB;
1323		function getServerName: AnsiString;
1324	+	function getProtocol: TProtocol;
1325	+	function getPortNo: AnsiString;
1326		procedure Attach;
1327		procedure Detach(Force: boolean=false);
1328		function IsAttached: boolean;
1329		function AllocateSRB: ISRB;
1330		function AllocateSQPB: ISQPB;
1331	<	procedure Start(Request: ISRB);
1332	<	function Query(SQPB: ISQPB; Request: ISRB) :IServiceQueryResults; overload;
1333	<	function Query(Request: ISRB) :IServiceQueryResults; overload;
1331	>	function Start(Request: ISRB; RaiseExceptionOnError: boolean=true): boolean;
1332	>	function Query(SQPB: ISQPB; Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
1333	>	function Query(Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
1334	>	end;
1335	>
1336	>	{Tbe Firebird Library API used to get information about the Firebird library}
1337	>
1338	>
1339	>	IFirebirdLibrary = interface
1340	>	['{3c04e0a1-12e0-428a-b2e1-bc6fcd97b79b}']
1341	>	function GetHandle: TLibHandle;
1342	>	function GetLibraryName: string;
1343	>	function GetLibraryFilePath: string;
1344	>	function GetFirebirdAPI: IFirebirdAPI;
1345		end;
1346
1347		{The Firebird API.
#	Line 1061 | Line 1352 | type
1352		The interface is returned by the FirebirdAPI function.
1353		}
1354
1355	+	{ IFirebirdAPI }
1356	+
1357		IFirebirdAPI = interface
1358		['{edeee691-c8d3-4dcf-a780-cd7e432821d5}']
1359		{Database connections}
#	Line 1079 | Line 1372 | type
1372		{Service Manager}
1373		function HasServiceAPI: boolean;
1374		function AllocateSPB: ISPB;
1375	<	function GetServiceManager(ServerName: AnsiString; Protocol: TProtocol; SPB: ISPB): IServiceManager;
1375	>	function GetServiceManager(ServerName: AnsiString; Protocol: TProtocol; SPB: ISPB): IServiceManager; overload;
1376	>	function GetServiceManager(ServerName: AnsiString; Port: AnsiString; Protocol: TProtocol; SPB: ISPB): IServiceManager; overload;
1377
1378		{Information}
1379		function GetStatus: IStatus;
1086	–	function GetLibraryName: string;
1380		function HasRollbackRetaining: boolean;
1381		function IsEmbeddedServer: boolean;
1382		function GetImplementationVersion: AnsiString;
1383	+	function GetClientMajor: integer;
1384	+	function GetClientMinor: integer;
1385	+	function HasDecFloatSupport: boolean;
1386	+	function HasLocalTZDB: boolean;
1387	+	function HasTimeZoneSupport: boolean;
1388	+	function HasExtendedTZSupport: boolean;
1389
1390		{Firebird 3 API}
1391		function HasMasterIntf: boolean;
1392	<	function GetIMaster: TObject;
1392	>	function GetIMaster: TObject;  deprecated 'Use FirebirdAPI.QueryInterface and FBClientLib.pas IFBIMasterProvider instead';
1393	>	function GetFBLibrary: IFirebirdLibrary;
1394		end;
1395
1396		type
#	Line 1125 | Line 1425 | type
1425		{IB Client Exceptions}
1426		EIBClientError = class(EIBError);
1427
1428	<	{IBError is used internally and by IBX to throw an EIBClientError}
1429	<
1130	<	procedure IBError(ErrMess: TIBClientError; const Args: array of const);
1428	>	{Used to explicitly report a Batch Buffer overflow}
1429	>	EIBBatchBufferOverflow = class(EIBError);
1430
1431		{The Firebird API function is used to access the IFirebirdAPI interface.
1432
#	Line 1138 | Line 1437 | procedure IBError(ErrMess: TIBClientErro
1437		function FirebirdAPI: IFirebirdAPI;
1438
1439		{IBX support functions. Probably best ignored i.e. always used the FirebirdAPI
1440	<	functino to load the library and check if it's loaded.}
1440	>	function to load the library and check if it's loaded.}
1441
1442		function TryIBLoad: Boolean;
1443		procedure CheckIBLoaded;
1444
1445	+	{If you want to explicitly load the Firebird library from a
1446	+	non-default location then use this function and its GetFirebirdAPI function
1447	+	to get the API.}
1448	+
1449	+	function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary;
1450	+
1451	+
1452		implementation
1453
1454		uses FBClientAPI
1455		{$IFDEF USELEGACYFIREBIRDAPI}, FB25ClientAPI {$ENDIF}
1456		{$IFDEF USEFIREBIRD3API}, FB30ClientAPI {$ENDIF};
1457
1458	<	var FFirebirdAPI: IFirebirdAPI;
1458	>	var FDefaultFBLibrary: IFirebirdLibrary;
1459	>
1460	>	type
1461	>
1462	>	{ TFBLibrary }
1463	>
1464	>	TFBLibraryImpl = class(TFBLibrary)
1465	>	protected
1466	>	function GetFirebird3API: IFirebirdAPI; override;
1467	>	function GetLegacyFirebirdAPI: IFirebirdAPI; override;
1468	>	end;
1469	>
1470	>	function TFBLibraryImpl.GetFirebird3API: IFirebirdAPI;
1471	>	begin
1472	>	{$IFDEF USEFIREBIRD3API}
1473	>	Result := TFB30ClientAPI.Create(self);
1474	>	{$ELSE}
1475	>	Result := nil;
1476	>	{$ENDIF}
1477	>	end;
1478	>
1479	>	function TFBLibraryImpl.GetLegacyFirebirdAPI: IFirebirdAPI;
1480	>	begin
1481	>	{$IFDEF USELEGACYFIREBIRDAPI}
1482	>	Result := TFB25ClientAPI.Create(self);
1483	>	{$ELSE}
1484	>	Result := nil;
1485	>	{$ENDIF}
1486	>	end;
1487
1488		function FirebirdAPI: IFirebirdAPI;
1489		begin
1490	<	if FFirebirdAPI = nil then
1490	>	if FDefaultFBLibrary = nil then
1491		CheckIBLoaded;
1492	<	Result := FFirebirdAPI;
1492	>	Result := FDefaultFBLibrary.GetFirebirdAPI;
1493		end;
1494
1495		function TryIBLoad: Boolean;
1496	+	var fblib: IFirebirdLibrary;
1497		begin
1498	<	Result := FFirebirdAPI <> nil;
1498	>	Result := FDefaultFBLibrary <> nil;
1499		try
1165	–	{$IFDEF USEFIREBIRD3API}
1166	–	if not Result then
1167	–	begin
1168	–	FFirebirdAPI := TFB30ClientAPI.Create;
1169	–	Result := FFirebirdAPI.HasMasterIntf;
1170	–	end;
1171	–	{$ENDIF}
1172	–	{$IFDEF USELEGACYFIREBIRDAPI}
1500		if not Result then
1501		begin
1502	<	FFirebirdAPI := nil;
1503	<	FFirebirdAPI := TFB25ClientAPI.Create;
1504	<	Result := true;
1505	<	end;
1179	<	{$ENDIF}
1180	<	if Result and not (FFirebirdAPI as TFBClientAPI).IsLibraryLoaded then
1181	<	begin
1182	<	Result := false;
1183	<	FFirebirdAPI := nil;
1502	>	fblib := TFBLibraryImpl.Create;
1503	>	if (fblib <> nil) and (fblib.GetFirebirdAPI <> nil) then
1504	>	FDefaultFBLibrary := fblib;
1505	>	Result := FDefaultFBLibrary <> nil;
1506		end;
1507		except
1508		SysUtils.showexception(ExceptObject,ExceptAddr);
#	Line 1194 | Line 1516 | begin
1516		IBError(ibxeInterBaseMissing, [nil]);
1517		end;
1518
1519	+	function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary;
1520	+	var fblib: IFirebirdLibrary;
1521	+	begin
1522	+	if trim(aLibPathName) = '' then
1523	+	begin
1524	+	CheckIBLoaded;
1525	+	Result := FDefaultFBLibrary;
1526	+	end
1527	+	else
1528	+	begin
1529	+	fblib := TFBLibraryImpl.GetFBLibrary(aLibPathName);
1530	+	if (fblib = nil) or (fblib.GetFirebirdAPI = nil) then
1531	+	IBError(ibxeInterBaseMissing, [nil]);
1532	+	Result := fblib;
1533	+	end;
1534	+	end;
1535	+
1536		{ EIBError }
1537
1538		constructor EIBError.Create(ASQLCode: Long; Msg: AnsiString);
#	Line 1217 | Line 1556 | begin
1556		FIBErrorCode := AIBErrorCode;
1557		end;
1558
1220	–	procedure IBError(ErrMess: TIBClientError; const Args: array of const);
1221	–	begin
1222	–	raise EIBClientError.Create(Ord(ErrMess),
1223	–	Format(GetErrorMessage(ErrMess), Args));
1224	–	end;
1559
1560		initialization
1561	<	FFirebirdAPI := nil;
1561	>	FDefaultFBLibrary := nil;
1562
1563	+	finalization
1564	+	FDefaultFBLibrary := nil;
1565
1566		end.
1567

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