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

Comparing ibx/trunk/fbintf/IB.pas (file contents):
Revision 45 by tony, Tue Dec 6 10:33:46 2016 UTC vs.
Revision 270 by tony, Fri Jan 18 11:10:37 2019 UTC

#	Line 60 | Line 60
60		{                                                                        }
61		{************************************************************************}
62		unit IB;
63	+	{$IFDEF MSWINDOWS}
64	+	{$DEFINE WINDOWS}
65	+	{$ENDIF}
66
67		{$IFDEF FPC}
68	<	{$mode objfpc}{$H+}
68	>	{$mode delphi}
69		{$codepage UTF8}
70		{$interfaces COM}
71	<	{$IF FPC_FULLVERSION < 30000 }
71	>	{$IF defined(FPC) and (FPC_FULLVERSION < 30000) }
72		{$ERROR FPC Version 3.0.0 or later is required}
73	<	{$ENDIF}
73	>	{$IFEND}
74		{$ENDIF}
75
76	+	{$IFNDEF LEGACYFIREBIRDAPIONLY}
77		{$DEFINE USEFIREBIRD3API}
78	+	{$ENDIF}
79	+	{$IFNDEF FIREBIRD3APIONLY}
80		{$DEFINE USELEGACYFIREBIRDAPI}
81	+	{$ENDIF}
82
83		{
84		This unit defines the interfaces used to provide the Pascal Language
#	Line 103 | Line 110 | unit IB;
110
111		5. Straightforward progammatic access to the Firebird API from Pascal programs.
112
113	+	6. FPC and Delphi Support.
114	+
115		String Types
116		============
117
#	Line 117 | Line 126 | unit IB;
126		interface
127
128		uses
129	<	Classes, SysUtils, DB, FBMessages, IBExternals;
129	>	Classes,
130	>	{$IFDEF WINDOWS}Windows, {$ENDIF}
131	>	{$IFDEF FPC} Dynlibs, {$ENDIF}
132	>	SysUtils, DB, FBMessages, IBExternals;
133	>
134	>	const
135	>	{Interface version information}
136	>	FBIntf_Major = 1;
137	>	FBIntf_Minor = 1;
138	>	FBIntf_Release = 4;
139	>	FBIntf_Version = '1.1.4';
140
141		{These include files are converted from the 'C' originals in the Firebird API
142		and define the various constants used by the API}
143
144	<	{$I consts_pub.inc}
145	<	{$I inf_pub.inc}
146	<	{$I configkeys.inc}
144	>	{$I 'include/consts_pub.inc'}
145	>	{$I 'include/inf_pub.inc'}
146	>	{$I 'include/configkeys.inc'}
147
148		{The following constants define the values return by calls to the GetSQLType
149		methods provided by several of the interfaces defined below.}
#	Line 160 | Line 179 | type
179		PGDS__QUAD           = ^TGDS__QUAD;
180		PISC_QUAD            = ^TISC_QUAD;
181
182	+	{$IFNDEF FPC}
183	+	{Delphi missing definitions}
184	+	type
185	+	TLibHandle = THandle;
186	+
187	+	const
188	+	NilHandle = 0;
189	+	DirectorySeparator = '\';
190	+
191	+	{Delphi only seems to define CP_UTF8 and CP_UTF16}
192	+	const
193	+	CP_ACP     = 0;     // default to ANSI code page
194	+	CP_OEMCP   = 1;     // default to OEM (console) code page
195	+	CP_UTF16BE = 1201;  // unicodeFFFE
196	+	CP_UTF7    = 65000; // utf-7
197	+	CP_ASCII   = 20127; // us-ascii
198	+	CP_NONE    = $FFFF; // rawbytestring encoding
199	+
200	+	{$ENDIF}
201	+
202	+	type
203	+	{$IF not declared(TSystemCodePage)}
204	+	TSystemCodePage = word; {not defined in Delphi}
205	+	{$IFEND}
206	+
207		TIBSQLStatementTypes =
208		(SQLUnknown, SQLSelect, SQLInsert,
209		SQLUpdate, SQLDelete, SQLDDL,
#	Line 171 | Line 215 | type
215		TFBStatusCode = cardinal;
216		TByteArray = array of byte;
217
218	+	IFirebirdAPI = interface;
219		IAttachment = interface;
220		ITransaction = interface;
221
222	<	{The IParameterBlock generic interface provides the template for all parameter
222	>	{The IParameterBlock interface provides the template for all parameter
223		block interfaces}
224
225	<	generic IParameterBlock<_IItem> = interface
225	>	IParameterBlock<_IItem> = interface
226		function getCount: integer;
227		function Add(ParamType: byte): _IItem;
228		function getItems(index: integer): _IItem;
#	Line 191 | Line 236 | type
236		different parameter block items }
237
238		IParameterBlockItem = interface
239	+	['{53b23f7b-abda-46a5-9aa5-07bd5e723266}']
240		function getParamType: byte;
241		function getAsInteger: integer;
242	<	function getAsString: string;
242	>	function getAsString: AnsiString;
243		function getAsByte: byte;
244	<	procedure setAsString(aValue: string);
244	>	procedure setAsString(aValue: AnsiString);
245		procedure setAsByte(aValue: byte);
246		procedure SetAsInteger(aValue: integer);
247	<	property AsString: string read getAsString write setAsString;
247	>	property AsString: AnsiString read getAsString write setAsString;
248		property AsByte: byte read getAsByte write setAsByte;
249		property AsInteger: integer read getAsInteger write SetAsInteger;
250		end;
#	Line 212 | Line 258 | type
258		}
259
260		IStatus = interface
261	+	['{34167722-af38-4831-b08a-93162d58ede3}']
262		function GetIBErrorCode: Long;
263		function Getsqlcode: Long;
264	<	function GetMessage: string;
264	>	function GetMessage: AnsiString;
265		function CheckStatusVector(ErrorCodes: array of TFBStatusCode): Boolean;
266		function GetIBDataBaseErrorMessages: TIBDataBaseErrorMessages;
267		procedure SetIBDataBaseErrorMessages(Value: TIBDataBaseErrorMessages);
#	Line 231 | Line 278 | type
278		TArrayBounds = array of TArrayBound;
279
280		IArrayMetaData = interface
281	+	['{7dd0aea4-59af-4c2a-b958-565d5025c489}']
282		function GetSQLType: cardinal;
283	<	function GetSQLTypeName: string;
283	>	function GetSQLTypeName: AnsiString;
284		function GetScale: integer;
285		function GetSize: cardinal;
286		function GetCharSetID: cardinal;
287	<	function GetTableName: string;
288	<	function GetColumnName: string;
287	>	function GetTableName: AnsiString;
288	>	function GetColumnName: AnsiString;
289		function GetDimensions: integer;
290		function GetBounds: TArrayBounds;
291		end;
#	Line 262 | Line 310 | type
310		TArrayEventHandler = procedure(Sender: IArray; Reason: TArrayEventReason) of object;
311
312		IArray = interface(IArrayMetaData)
313	+	['{631c6bb1-fb49-44fb-a64a-c49859632b88}']
314		function GetArrayID: TISC_QUAD;
315		procedure Clear;
316		function IsEmpty: boolean;
#	Line 277 | Line 326 | type
326		function GetAsFloat(index: array of integer): Float;
327		function GetAsLong(index: array of integer): Long;
328		function GetAsShort(index: array of integer): Short;
329	<	function GetAsString(index: array of integer): String;
329	>	function GetAsString(index: array of integer): AnsiString;
330		function GetAsVariant(index: array of integer): Variant;
331		procedure SetAsInteger(index: array of integer; AValue: integer);
332		procedure SetAsBoolean(index: array of integer; AValue: boolean);
#	Line 290 | Line 339 | type
339		procedure SetAsDouble(index: array of integer; Value: Double);
340		procedure SetAsFloat(index: array of integer; Value: Float);
341		procedure SetAsShort(index: array of integer; Value: Short);
342	<	procedure SetAsString(index: array of integer; Value: String);
342	>	procedure SetAsString(index: array of integer; Value: AnsiString);
343		procedure SetAsVariant(index: array of integer; Value: Variant);
344		procedure SetBounds(dim, UpperBound, LowerBound: integer);
345		function GetAttachment: IAttachment;
#	Line 304 | Line 353 | type
353		}
354
355		IBlobMetaData = interface
356	+	['{575f3c61-bb33-46a5-8975-bb7d1b6e37cc}']
357		function GetSubType: integer;
358		function GetCharSetID: cardinal;
359		function GetCodePage: TSystemCodePage;
360		function GetSegmentSize: cardinal;
361	<	function GetRelationName: string;
362	<	function GetColumnName: string;
361	>	function GetRelationName: AnsiString;
362	>	function GetColumnName: AnsiString;
363		end;
364
365		{The Blob Parameter block is used to select a Blob Filter}
366
367	<	IBPBItem = interface (IParameterBlockItem) end;
367	>	IBPBItem = interface (IParameterBlockItem)
368	>	['{660822a5-3114-4c16-b6cb-c1a7b2aba70d}']
369	>	end;
370
371	<	IBPB = specialize IParameterBlock<IBPBItem>;
371	>	IBPB = interface (IParameterBlock<IBPBItem>)
372	>	['{e0cb9eb5-17f7-4416-b7d1-3cddd1dfca76}']
373	>	end;
374
375		{ The Blob Interface provides access to a blob data item.
376
#	Line 330 | Line 384 | type
384		TBlobType = (btSegmented,btStream);
385
386		IBlob = interface(IBlobMetaData)
387	+	['{3090a145-7780-442b-b15b-efd4568b8611}']
388		function GetBPB: IBPB;
389		procedure Cancel;
390		procedure Close;
#	Line 340 | Line 395 | type
395		TotalSize: Int64; var BlobType: TBlobType);
396		function Read(var Buffer; Count: Longint): Longint;
397		function Write(const Buffer; Count: Longint): Longint;
398	<	function LoadFromFile(Filename: string): IBlob;
398	>	function LoadFromFile(Filename: AnsiString): IBlob;
399		function LoadFromStream(S: TStream) : IBlob;
400	<	function SaveToFile(Filename: string): IBlob;
400	>	function SaveToFile(Filename: AnsiString): IBlob;
401		function SaveToStream(S: TStream): IBlob;
402		function GetAsString: rawbytestring;
403		procedure SetAsString(aValue: rawbytestring);
#	Line 356 | Line 411 | type
411		the output of an SQL Statement.
412		}
413
414	+	TIBDateTimeFormats = (dfTimestamp, {SQL TIMESTAMP}
415	+	dfDateTime,   {SQL DATETIME}
416	+	dfTime);      {SQL TIME}
417	+
418		{ IColumnMetaData }
419
420		IColumnMetaData = interface
421	+	['{c222e6c3-53c1-469f-9e05-0a5c3ef232d8}']
422		function GetIndex: integer;
423		function GetSQLType: cardinal;
424	<	function GetSQLTypeName: string;
424	>	function GetSQLTypeName: AnsiString;
425		function getSubtype: integer;
426	<	function getRelationName: string;
427	<	function getOwnerName: string;
428	<	function getSQLName: string;    {Name of the column}
429	<	function getAliasName: string;  {Alias Name of column or Column Name if no alias}
430	<	function getName: string;       {Disambiguated uppercase Field Name}
426	>	function getRelationName: AnsiString;
427	>	function getOwnerName: AnsiString;
428	>	function getSQLName: AnsiString;    {Name of the column}
429	>	function getAliasName: AnsiString;  {Alias Name of column or Column Name if no alias}
430	>	function getName: AnsiString;       {Disambiguated uppercase Field Name}
431		function getScale: integer;
432		function getCharSetID: cardinal;
433		function getCodePage: TSystemCodePage;
#	Line 375 | Line 435 | type
435		function GetSize: cardinal;
436		function GetArrayMetaData: IArrayMetaData; {Valid only for Array SQL Type}
437		function GetBlobMetaData: IBlobMetaData; {Valid only for Blob SQL Type}
438	<	property Name: string read GetName;
438	>	function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
439	>	property Name: AnsiString read GetName;
440		property Size: cardinal read GetSize;
441		property SQLType: cardinal read GetSQLType;
442		property Scale: integer read getScale;
#	Line 391 | Line 452 | type
452		{ IMetaData }
453
454		IMetaData = interface
455	+	['{4dafdbb6-0d36-4f1f-9c95-8b132804b965}']
456		function getCount: integer;
457		function getColumnMetaData(index: integer): IColumnMetaData;
458	<	function GetUniqueRelationName: string; {Non empty if all columns come from the same table}
459	<	function ByName(Idx: String): IColumnMetaData;
458	>	function GetUniqueRelationName: AnsiString; {Non empty if all columns come from the same table}
459	>	function ByName(Idx: AnsiString): IColumnMetaData;
460		property ColMetaData[index: integer]: IColumnMetaData read getColumnMetaData; default;
461		property Count: integer read getCount;
462		end;
#	Line 414 | Line 476 | type
476
477
478		ISQLData = interface(IColumnMetaData)
479	+	['{3f493e31-7e3f-4606-a07c-b210b9e3619d}']
480		function GetAsBoolean: boolean;
481		function GetAsCurrency: Currency;
482		function GetAsInt64: Int64;
#	Line 424 | Line 487 | type
487		function GetAsPointer: Pointer;
488		function GetAsQuad: TISC_QUAD;
489		function GetAsShort: short;
490	<	function GetAsString: String;
490	>	function GetAsString: AnsiString;
491		function GetIsNull: Boolean;
492		function GetAsVariant: Variant;
493		function GetAsBlob: IBlob; overload;
#	Line 443 | Line 506 | type
506		property AsPointer: Pointer read GetAsPointer;
507		property AsQuad: TISC_QUAD read GetAsQuad;
508		property AsShort: short read GetAsShort;
509	<	property AsString: String read GetAsString;
509	>	property AsString: AnsiString read GetAsString;
510		property AsVariant: Variant read GetAsVariant ;
511		property AsBlob: IBlob read GetAsBlob;
512		property AsArray: IArray read GetAsArray;
#	Line 458 | Line 521 | type
521		}
522
523		IResults = interface
524	+	['{e836b2bb-93d1-4bbf-a8eb-7ce535de3bb5}']
525		function getCount: integer;
526		function GetTransaction: ITransaction;
527	<	function ByName(Idx: String): ISQLData;
527	>	function ByName(Idx: AnsiString): ISQLData;
528		function getSQLData(index: integer): ISQLData;
529	<	procedure GetData(index: integer; var IsNull:boolean; var len: short; var data: PChar);
529	>	procedure GetData(index: integer; var IsNull:boolean; var len: short; var data: PByte);
530		procedure SetRetainInterfaces(aValue: boolean);
531		property Data[index: integer]: ISQLData read getSQLData; default;
532		property Count: integer read getCount;
#	Line 474 | Line 538 | type
538		in turn, used to access the data returned by each field of the current row.
539		}
540		IResultSet = interface(IResults)
541	+	['{0ae4979b-7857-4e8c-8918-ec6f155b51a0}']
542		function FetchNext: boolean;
543	<	function GetCursorName: string;
543	>	function GetCursorName: AnsiString;
544		function IsEof: boolean;
545		procedure Close;
546		end;
#	Line 496 | Line 561 | type
561		}
562
563		ISQLParam = interface
564	+	['{b22b4578-6d41-4807-a9a9-d2ec8d1d5a14}']
565		function GetIndex: integer;
566		function GetSQLType: cardinal;
567	<	function GetSQLTypeName: string;
567	>	function GetSQLTypeName: AnsiString;
568		function getSubtype: integer;
569	<	function getName: string;
569	>	function getName: AnsiString;
570		function getScale: integer;
571		function getCharSetID: cardinal;
572		function getCodePage: TSystemCodePage;
#	Line 516 | Line 582 | type
582		function GetAsPointer: Pointer;
583		function GetAsQuad: TISC_QUAD;
584		function GetAsShort: short;
585	<	function GetAsString: String;
585	>	function GetAsString: AnsiString;
586		function GetIsNull: boolean;
587		function GetAsVariant: Variant;
588		function GetAsBlob: IBlob;
#	Line 534 | Line 600 | type
600		procedure SetAsFloat(aValue: Float);
601		procedure SetAsPointer(aValue: Pointer);
602		procedure SetAsShort(aValue: Short);
603	<	procedure SetAsString(aValue: String);
603	>	procedure SetAsString(aValue: AnsiString);
604		procedure SetAsVariant(aValue: Variant);
605		procedure SetIsNull(aValue: Boolean);
606		procedure SetAsBlob(aValue: IBlob);
#	Line 553 | Line 619 | type
619		property AsLong: Long read GetAsLong write SetAsLong;
620		property AsPointer: Pointer read GetAsPointer write SetAsPointer;
621		property AsShort: Short read GetAsShort write SetAsShort;
622	<	property AsString: String read GetAsString write SetAsString;
622	>	property AsString: AnsiString read GetAsString write SetAsString;
623		property AsVariant: Variant read GetAsVariant write SetAsVariant;
624		property AsBlob: IBlob read GetAsBlob write SetAsBlob;
625		property AsArray: IArray read GetAsArray write SetAsArray;
#	Line 562 | Line 628 | type
628		property IsNull: Boolean read GetIsNull write SetIsNull;
629		property IsNullable: Boolean read GetIsNullable;
630		property Modified: Boolean read getModified;
631	<	property Name: string read GetName;
631	>	property Name: AnsiString read GetName;
632		property SQLType: cardinal read GetSQLType;
633		end;
634
#	Line 572 | Line 638 | type
638		}
639
640		ISQLParams = interface
641	+	['{c6d95ac7-b2b7-461b-b890-afef0acbb077}']
642		function getCount: integer;
643		function getSQLParam(index: integer): ISQLParam;
644	<	function ByName(Idx: String): ISQLParam ;
644	>	function ByName(Idx: AnsiString): ISQLParam ;
645		function GetModified: Boolean;
646		property Modified: Boolean read GetModified;
647		property Params[index: integer]: ISQLParam read getSQLParam; default;
648		property Count: integer read getCount;
649		end;
650
651	+
652	+	TPerfStats = (psCurrentMemory, psMaxMemory,
653	+	psRealTime, psUserTime, psBuffers,
654	+	psReads, psWrites, psFetches,psDeltaMemory);
655	+
656	+	TPerfCounters = array[TPerfStats] of Int64;
657	+
658		{The IStatement interface provides access to an SQL Statement once it has been
659		initially prepared. The interface is returned from the IAttachment interface.
660		}
661
662		IStatement = interface
663	+	['{a260576d-a07d-4a66-b02d-1b72543fd7cf}']
664		function GetMetaData: IMetaData;  {Output Metadata}
665		function GetSQLParams: ISQLParams;{Statement Parameters}
666	<	function GetPlan: String;
666	>	function GetPlan: AnsiString;
667		function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
668		function GetSQLStatementType: TIBSQLStatementTypes;
669	<	function GetSQLText: string;
669	>	function GetSQLText: AnsiString;
670	>	function GetProcessedSQLText: AnsiString;
671		function GetSQLDialect: integer;
672		function IsPrepared: boolean;
673		procedure Prepare(aTransaction: ITransaction=nil);
#	Line 600 | Line 676 | type
676		function GetAttachment: IAttachment;
677		function GetTransaction: ITransaction;
678		procedure SetRetainInterfaces(aValue: boolean);
679	+	procedure EnableStatistics(aValue: boolean);
680	+	function GetPerfStatistics(var stats: TPerfCounters): boolean;
681		property MetaData: IMetaData read GetMetaData;
682		property SQLParams: ISQLParams read GetSQLParams;
683		property SQLStatementType: TIBSQLStatementTypes read GetSQLStatementType;
#	Line 616 | Line 694 | type
694		found in the Interbase 6.0 API Guide.
695		}
696
697	<	ITPBItem = interface(IParameterBlockItem) end;
697	>	ITPBItem = interface(IParameterBlockItem)
698	>	['{544c1f2b-7c12-4a87-a4a5-face7ea72671}']
699	>	end;
700
701	<	ITPB = specialize IParameterBlock<ITPBItem>;
701	>	ITPB = interface(IParameterBlock<ITPBItem>)
702	>	['{7369b0ff-defe-437b-81fe-19b211d42d25}']
703	>	end;
704
705		{The ITransactionAction interface provides access to a Transaction once it
706		has been initially started. After a Commit or Rollback, a transaction
#	Line 632 | Line 714 | type
714		TTransactionCompletion = TARollback.. TACommit;
715
716		ITransaction = interface
717	+	['{30928d0e-a9d7-4c61-b7cf-14f4f38abe2a}']
718		function getTPB: ITPB;
719		procedure Start(DefaultCompletion: TTransactionCompletion=taCommit);
720		function GetInTransaction: boolean;
#	Line 659 | Line 742 | type
742		}
743
744		TEventInfo = record
745	<	EventName: string;
745	>	EventName: AnsiString;
746		Count: integer;
747		end;
748
#	Line 670 | Line 753 | type
753		{ IEvents }
754
755		IEvents = interface
756	+	['{6a0be233-ed08-4524-889c-2e45d0c20e5f}']
757		procedure GetEvents(EventNames: TStrings);
758		procedure SetEvents(EventNames: TStrings); overload;
759	<	procedure SetEvents(EventName: string); overload;
759	>	procedure SetEvents(EventName: AnsiString); overload;
760		procedure Cancel;
761		function ExtractEventCounts: TEventCounts;
762		procedure WaitForEvent;
#	Line 703 | Line 787 | type
787		TDBOperationCounts = array of TDBOperationCount;
788
789		IDBInfoItem = interface
790	+	['{eeb97b51-ec0f-473f-9f75-c1721f055fcb}']
791		function getItemType: byte;
792		function getSize: integer;
793		procedure getRawBytes(var Buffer);
794	<	function getAsString: string;
794	>	function getAsString: AnsiString;
795		function getAsInteger: integer;
796	<	procedure DecodeIDCluster(var ConnectionType: integer; var DBFileName, DBSiteName: string);
796	>	procedure DecodeIDCluster(var ConnectionType: integer; var DBFileName, DBSiteName: AnsiString);
797		function getAsBytes: TByteArray;
798	<	procedure DecodeVersionString(var Version: byte; var VersionString: string);
798	>	function getAsDateTime: TDateTime;
799	>	procedure DecodeVersionString(var Version: byte; var VersionString: AnsiString);
800		function getOperationCounts: TDBOperationCounts;
801		procedure DecodeUserNames(UserNames: TStrings);
802
#	Line 719 | Line 805 | type
805		function GetItem(index: integer): IDBInfoItem;
806		function Find(ItemType: byte): IDBInfoItem;
807		property AsInteger: integer read getAsInteger;
808	<	property AsString: string read GetAsString;
808	>	property AsString: AnsiString read GetAsString;
809		property Count: integer read GetCount;
810		property Items[index: integer]: IDBInfoItem read getItem; default;
811		end;
#	Line 727 | Line 813 | type
813		{ IDBInformation }
814
815		IDBInformation = interface
816	+	['{7ac6777f-f0a9-498a-9f5c-4a57a554df81}']
817		function GetCount: integer;
818		function GetItem(index: integer): IDBInfoItem;
819		function Find(ItemType: byte): IDBInfoItem;
#	Line 735 | Line 822 | type
822		property Items[index: integer]: IDBInfoItem read getItem; default;
823		end;
824
825	+	{The Database Information Request Block is used to pass requests for
826	+	database information where at least one item requested has a parameter.
827	+	At present, this is only fb_info_page_contents which has a single
828	+	integer parameter.}
829	+
830	+	IDIRBItem = interface(IParameterBlockItem)
831	+	['{d34a7511-8435-4a24-81a7-5103d218d234}']
832	+	end;
833	+
834	+	IDIRB = interface(IParameterBlock<IDIRBItem>)
835	+	['{1010e5ac-0a8f-403b-a302-91625e9d9579}']
836	+	end;
837	+
838	+
839		{The Database Parameter Block (DPB).
840
841		The DPB provides the parameters used when connecting to a database. It is allocated
#	Line 746 | Line 847 | type
847		found in the Interbase 6.0 API Guide.
848		}
849
850	<	IDPBItem = interface(IParameterBlockItem) end;
850	>	IDPBItem = interface(IParameterBlockItem)
851	>	['{123d4ad0-087a-4cd1-a344-1b3d03b30673}']
852	>	end;
853
854	<	IDPB = specialize IParameterBlock<IDPBItem>;
854	>	IDPB = interface(IParameterBlock<IDPBItem>)
855	>	['{e676067b-1cf4-4eba-9256-9724f57e0d16}']
856	>	end;
857
858		{The IAttachment interface provides access to a Database Connection. It may be
859		used to:
#	Line 778 | Line 883 | type
883		{ IAttachment }
884
885		IAttachment = interface
886	+	['{466e9b67-9def-4807-b3e7-e08a35e7185c}']
887	+	function getFirebirdAPI: IFirebirdAPI;
888		function getDPB: IDPB;
889		function AllocateBPB: IBPB;
890	+	function AllocateDIRB: IDIRB;
891		procedure Connect;
892		procedure Disconnect(Force: boolean=false);
893		function IsConnected: boolean;
894		procedure DropDatabase;
895		function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
896		function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
897	<	procedure ExecImmediate(transaction: ITransaction; sql: string; SQLDialect: integer); overload;
898	<	procedure ExecImmediate(TPB: array of byte; sql: string; SQLDialect: integer); overload;
899	<	procedure ExecImmediate(transaction: ITransaction; sql: string); overload;
900	<	procedure ExecImmediate(TPB: array of byte; sql: string); overload;
901	<	function ExecuteSQL(TPB: array of byte; sql: string; SQLDialect: integer; params: array of const): IResults; overload;
902	<	function ExecuteSQL(transaction: ITransaction; sql: string; SQLDialect: integer; params: array of const): IResults; overload;
903	<	function ExecuteSQL(TPB: array of byte; sql: string; params: array of const): IResults; overload;
904	<	function ExecuteSQL(transaction: ITransaction; sql: string; params: array of const): IResults; overload;
905	<	function OpenCursor(transaction: ITransaction; sql: string; aSQLDialect: integer): IResultSet; overload;
906	<	function OpenCursor(transaction: ITransaction; sql: string; aSQLDialect: integer;
897	>	procedure ExecImmediate(transaction: ITransaction; sql: AnsiString; SQLDialect: integer); overload;
898	>	procedure ExecImmediate(TPB: array of byte; sql: AnsiString; SQLDialect: integer); overload;
899	>	procedure ExecImmediate(transaction: ITransaction; sql: AnsiString); overload;
900	>	procedure ExecImmediate(TPB: array of byte; sql: AnsiString); overload;
901	>	function ExecuteSQL(TPB: array of byte; sql: AnsiString; SQLDialect: integer; params: array of const): IResults; overload;
902	>	function ExecuteSQL(transaction: ITransaction; sql: AnsiString; SQLDialect: integer; params: array of const): IResults; overload;
903	>	function ExecuteSQL(TPB: array of byte; sql: AnsiString; params: array of const): IResults; overload;
904	>	function ExecuteSQL(transaction: ITransaction; sql: AnsiString; params: array of const): IResults; overload;
905	>	function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
906	>	function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
907		params: array of const): IResultSet; overload;
908	<	function OpenCursor(transaction: ITransaction; sql: string): IResultSet; overload;
909	<	function OpenCursor(transaction: ITransaction; sql: string;
908	>	function OpenCursor(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
909	>	function OpenCursor(transaction: ITransaction; sql: AnsiString;
910		params: array of const): IResultSet; overload;
911	<	function OpenCursorAtStart(transaction: ITransaction; sql: string; aSQLDialect: integer): IResultSet; overload;
912	<	function OpenCursorAtStart(transaction: ITransaction; sql: string; aSQLDialect: integer;
911	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
912	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
913		params: array of const): IResultSet; overload;
914	<	function OpenCursorAtStart(transaction: ITransaction; sql: string): IResultSet; overload;
915	<	function OpenCursorAtStart(transaction: ITransaction; sql: string;
914	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
915	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString;
916		params: array of const): IResultSet; overload;
917	<	function OpenCursorAtStart(sql: string): IResultSet; overload;
918	<	function OpenCursorAtStart(sql: string;
917	>	function OpenCursorAtStart(sql: AnsiString): IResultSet; overload;
918	>	function OpenCursorAtStart(sql: AnsiString;
919		params: array of const): IResultSet; overload;
920	<	function Prepare(transaction: ITransaction; sql: string; aSQLDialect: integer): IStatement; overload;
921	<	function Prepare(transaction: ITransaction; sql: string): IStatement; overload;
922	<	function PrepareWithNamedParameters(transaction: ITransaction; sql: string;
923	<	aSQLDialect: integer; GenerateParamNames: boolean=false): IStatement; overload;
924	<	function PrepareWithNamedParameters(transaction: ITransaction; sql: string;
925	<	GenerateParamNames: boolean=false): IStatement; overload;
920	>	function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IStatement; overload;
921	>	function Prepare(transaction: ITransaction; sql: AnsiString): IStatement; overload;
922	>	function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
923	>	aSQLDialect: integer; GenerateParamNames: boolean=false;
924	>	CaseSensitiveParams: boolean = false): IStatement; overload;
925	>	function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
926	>	GenerateParamNames: boolean=false;
927	>	CaseSensitiveParams: boolean = false): IStatement; overload;
928
929		{Events}
930		function GetEventHandler(Events: TStrings): IEvents; overload;
931	<	function GetEventHandler(Event: string): IEvents; overload;
931	>	function GetEventHandler(Event: AnsiString): IEvents; overload;
932
933		{Blob - may use to open existing Blobs. However, ISQLData.AsBlob is preferred}
934
935	<	function CreateBlob(transaction: ITransaction; RelationName, ColumnName: string; BPB: IBPB=nil): IBlob; overload;
935	>	function CreateBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BPB: IBPB=nil): IBlob; overload;
936		function CreateBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BPB: IBPB=nil): IBlob; overload;
937		function CreateBlob(transaction: ITransaction; SubType: integer; CharSetID: cardinal=0; BPB: IBPB=nil): IBlob; overload;
938	<	function OpenBlob(transaction: ITransaction; RelationName, ColumnName: string; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob;
938	>	function OpenBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob;
939
940		{Array - may use to open existing arrays. However, ISQLData.AsArray is preferred}
941
942	<	function OpenArray(transaction: ITransaction; RelationName, ColumnName: string; ArrayID: TISC_QUAD): IArray;
943	<	function CreateArray(transaction: ITransaction; RelationName, ColumnName: string): IArray; overload;
942	>	function OpenArray(transaction: ITransaction; RelationName, ColumnName: AnsiString; ArrayID: TISC_QUAD): IArray;
943	>	function CreateArray(transaction: ITransaction; RelationName, ColumnName: AnsiString): IArray; overload;
944		function CreateArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData): IArray; overload;
945	+	function CreateArrayMetaData(SQLType: cardinal; tableName: AnsiString; columnName: AnsiString;
946	+	Scale: integer; size: cardinal; charSetID: cardinal; dimensions: cardinal;
947	+	bounds: TArrayBounds): IArrayMetaData;
948
949		{Database Information}
950		function GetSQLDialect: integer;
951	<	function GetBlobMetaData(Transaction: ITransaction; tableName, columnName: string): IBlobMetaData;
952	<	function GetArrayMetaData(Transaction: ITransaction; tableName, columnName: string): IArrayMetaData;
951	>	function GetBlobMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IBlobMetaData;
952	>	function GetArrayMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IArrayMetaData;
953		function GetDBInformation(Requests: array of byte): IDBInformation; overload;
954		function GetDBInformation(Request: byte): IDBInformation; overload;
955	+	function GetDBInformation(Requests: IDIRB): IDBInformation; overload;
956	+	function GetConnectString: AnsiString;
957	+	function GetRemoteProtocol: AnsiString;
958	+	function GetAuthenticationMethod: AnsiString;
959	+	function GetSecurityDatabase: AnsiString;
960	+	function GetODSMajorVersion: integer;
961	+	function GetODSMinorVersion: integer;
962	+	procedure getFBVersion(version: TStrings);
963		function HasActivity: boolean;
964	+
965	+	{Character Sets}
966	+	function HasDefaultCharSet: boolean;
967	+	function GetDefaultCharSetID: integer;
968	+	function GetCharsetName(CharSetID: integer): AnsiString;
969	+	function CharSetID2CodePage(CharSetID: integer; var CodePage: TSystemCodePage): boolean;
970	+	function CodePage2CharSetID(CodePage: TSystemCodePage; var CharSetID: integer): boolean;
971	+	function CharSetName2CharSetID(CharSetName: AnsiString; var CharSetID: integer): boolean;
972	+	function CharSetWidth(CharSetID: integer; var Width: integer): boolean;
973	+	procedure RegisterCharSet(CharSetName: AnsiString; CodePage: TSystemCodePage;
974	+	AllowReverseLookup:boolean; out CharSetID: integer);
975		end;
976
977	<	TProtocol = (TCP, SPX, NamedPipe, Local);
977	>	TProtocolAll = (TCP, SPX, NamedPipe, Local, inet, inet4, inet6, wnet, xnet, unknownProtocol);
978	>	TProtocol = TCP..xnet;
979
980		{Service Parameter Block (SPB).
981
#	Line 856 | Line 989 | type
989
990		}
991
992	<	ISPBItem = interface(IParameterBlockItem) end;
992	>	ISPBItem = interface(IParameterBlockItem)
993	>	['{5d08ae2b-4519-41bd-8b40-97cd451c3f6a}']
994	>	end;
995
996	<	ISPB = specialize IParameterBlock<ISPBItem>;
996	>	ISPB = interface(IParameterBlock<ISPBItem>)
997	>	['{2c5836fd-41ed-4426-9b7d-5af580ec2659}']
998	>	end;
999
1000		{Service Query Parameter Block (SQPB).
1001
#	Line 867 | Line 1004 | type
1004		}
1005
1006		ISQPBItem = interface(IParameterBlockItem)
1007	+	['{b07841a6-33b3-47f0-b5a2-028cbc86dc97}']
1008		function CopyFrom(source: TStream; count: integer): integer;
1009		end;
1010
1011	<	ISQPB = specialize IParameterBlock<ISQPBItem>;
1011	>	ISQPB = interface(IParameterBlock<ISQPBItem>)
1012	>	['{8553e66b-ee62-498b-8431-dff030211447}']
1013	>	end;
1014
1015		{Service Request Block (SRB).
1016
#	Line 884 | Line 1024 | type
1024
1025		}
1026
1027	<	ISRBItem = interface(IParameterBlockItem) end;
1027	>	ISRBItem = interface(IParameterBlockItem)
1028	>	['{47ec790e-f265-4b30-9dcd-261e51677245}']
1029	>	end;
1030
1031	<	ISRB = specialize IParameterBlock<ISRBItem>;
1031	>	ISRB = interface(IParameterBlock<ISRBItem>)
1032	>	['{9f2e204f-3c33-4e44-90f9-9135e95dafb9}']
1033	>	end;
1034
1035		{The Service Query Results Interface.
1036
#	Line 904 | Line 1048 | type
1048		}
1049
1050		IServiceQueryResultSubItem = interface
1051	+	['{8a4c381e-9923-4cc9-a96b-553729248640}']
1052		function getItemType: byte;
1053		function getSize: integer;
1054		procedure getRawBytes(var Buffer);
1055	<	function getAsString: string;
1055	>	function getAsString: AnsiString;
1056		function getAsInteger: integer;
1057		function getAsByte: byte;
1058		function CopyTo(stream: TStream; count: integer): integer;
1059	<	property AsString: string read getAsString;
1059	>	property AsString: AnsiString read getAsString;
1060		property AsInteger: integer read getAsInteger;
1061		property AsByte: byte read getAsByte;
1062		end;
1063
1064		IServiceQueryResultItem = interface(IServiceQueryResultSubItem)
1065	+	['{b2806886-206c-4024-8df9-5fe0a7630a5e}']
1066		function getCount: integer;
1067		function getItem(index: integer): IServiceQueryResultSubItem;
1068		function find(ItemType: byte): IServiceQueryResultSubItem;
#	Line 925 | Line 1071 | type
1071		end;
1072
1073		IServiceQueryResults = interface
1074	+	['{8fbbef7d-fe03-4409-828a-a787d34ef531}']
1075		function getCount: integer;
1076		function getItem(index: integer): IServiceQueryResultItem;
1077		function find(ItemType: byte): IServiceQueryResultItem;
#	Line 933 | Line 1080 | type
1080		property Count: integer read getCount;
1081		end;
1082
1083	+	IFirebirdLibrary = interface;
1084	+
1085		{The IServiceManager interface provides access to a service manager. It can
1086		used to Detach and re-attach to Service Manager, to start services and to
1087		query the service manager.
#	Line 943 | Line 1092 | type
1092		{ IServiceManager }
1093
1094		IServiceManager = interface
1095	+	['{905b587d-1e1f-4e40-a3f8-a3519f852e48}']
1096	+	function getFirebirdAPI: IFirebirdAPI;
1097		function getSPB: ISPB;
1098	<	function getServerName: string;
1098	>	function getServerName: AnsiString;
1099	>	function getProtocol: TProtocol;
1100	>	function getPortNo: AnsiString;
1101		procedure Attach;
1102		procedure Detach(Force: boolean=false);
1103		function IsAttached: boolean;
1104		function AllocateSRB: ISRB;
1105		function AllocateSQPB: ISQPB;
1106	<	procedure Start(Request: ISRB);
1107	<	function Query(SQPB: ISQPB; Request: ISRB) :IServiceQueryResults; overload;
1108	<	function Query(Request: ISRB) :IServiceQueryResults; overload;
1106	>	function Start(Request: ISRB; RaiseExceptionOnError: boolean=true): boolean;
1107	>	function Query(SQPB: ISQPB; Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
1108	>	function Query(Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
1109	>	end;
1110	>
1111	>	{Tbe Firebird Library API used to get information about the Firebird library}
1112	>
1113	>
1114	>	IFirebirdLibrary = interface
1115	>	['{3c04e0a1-12e0-428a-b2e1-bc6fcd97b79b}']
1116	>	function GetHandle: TLibHandle;
1117	>	function GetLibraryName: string;
1118	>	function GetLibraryFilePath: string;
1119	>	function GetFirebirdAPI: IFirebirdAPI;
1120		end;
1121
1122		{The Firebird API.
#	Line 964 | Line 1128 | type
1128		}
1129
1130		IFirebirdAPI = interface
1131	+	['{edeee691-c8d3-4dcf-a780-cd7e432821d5}']
1132		{Database connections}
1133		function AllocateDPB: IDPB;
1134	<	function OpenDatabase(DatabaseName: string; DPB: IDPB; RaiseExceptionOnConnectError: boolean=true): IAttachment;
1135	<	function CreateDatabase(DatabaseName: string; DPB: IDPB; RaiseExceptionOnError: boolean=true): IAttachment;
1134	>	function OpenDatabase(DatabaseName: AnsiString; DPB: IDPB; RaiseExceptionOnConnectError: boolean=true): IAttachment;
1135	>	function CreateDatabase(DatabaseName: AnsiString; DPB: IDPB; RaiseExceptionOnError: boolean=true): IAttachment; overload;
1136	>	function CreateDatabase(sql: AnsiString; aSQLDialect: integer; RaiseExceptionOnError: boolean=true): IAttachment; overload;
1137
1138		{Start Transaction against multiple databases}
1139		function AllocateTPB: ITPB;
#	Line 979 | Line 1145 | type
1145		{Service Manager}
1146		function HasServiceAPI: boolean;
1147		function AllocateSPB: ISPB;
1148	<	function GetServiceManager(ServerName: string; Protocol: TProtocol; SPB: ISPB): IServiceManager;
1148	>	function GetServiceManager(ServerName: AnsiString; Protocol: TProtocol; SPB: ISPB): IServiceManager; overload;
1149	>	function GetServiceManager(ServerName: AnsiString; Port: AnsiString; Protocol: TProtocol; SPB: ISPB): IServiceManager; overload;
1150
1151		{Information}
1152		function GetStatus: IStatus;
986	–	function GetLibraryName: string;
1153		function HasRollbackRetaining: boolean;
1154		function IsEmbeddedServer: boolean;
1155	<	function GetImplementationVersion: string;
1155	>	function GetImplementationVersion: AnsiString;
1156
1157		{Firebird 3 API}
1158		function HasMasterIntf: boolean;
1159		function GetIMaster: TObject;
1160	<
995	<	{utility}
996	<	function GetCharsetName(CharSetID: integer): string;
997	<	function CharSetID2CodePage(CharSetID: integer; var CodePage: TSystemCodePage): boolean;
998	<	function CodePage2CharSetID(CodePage: TSystemCodePage; var CharSetID: integer): boolean;
999	<	function CharSetName2CharSetID(CharSetName: string; var CharSetID: integer): boolean;
1000	<	function CharSetWidth(CharSetID: integer; var Width: integer): boolean;
1160	>	function GetFBLibrary: IFirebirdLibrary;
1161		end;
1162
1163		type
#	Line 1014 | Line 1174 | type
1174		private
1175		FSQLCode: Long;
1176		public
1177	<	constructor Create(ASQLCode: Long; Msg: string);
1177	>	constructor Create(ASQLCode: Long; Msg: AnsiString);
1178		property SQLCode: Long read FSQLCode;
1179		end;
1180
#	Line 1025 | Line 1185 | type
1185		FIBErrorCode: Long;
1186		public
1187		constructor Create(Status: IStatus); overload;
1188	<	constructor Create(ASQLCode: Long; AIBErrorCode: Long; Msg: string); overload;
1188	>	constructor Create(ASQLCode: Long; AIBErrorCode: Long; Msg: AnsiString); overload;
1189		property IBErrorCode: Long read FIBErrorCode;
1190		end;
1191
#	Line 1050 | Line 1210 | function FirebirdAPI: IFirebirdAPI;
1210		function TryIBLoad: Boolean;
1211		procedure CheckIBLoaded;
1212
1213	+	{If you want to explicitly load the Firebird library from a
1214	+	non-default location then use this function and its GetFirebirdAPI function
1215	+	to get the API.}
1216	+
1217	+	function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary;
1218	+
1219		implementation
1220
1221		uses FBClientAPI
1222		{$IFDEF USELEGACYFIREBIRDAPI}, FB25ClientAPI {$ENDIF}
1223		{$IFDEF USEFIREBIRD3API}, FB30ClientAPI {$ENDIF};
1224
1225	<	var FFirebirdAPI: IFirebirdAPI;
1225	>	var FDefaultFBLibrary: IFirebirdLibrary;
1226	>
1227	>	type
1228	>
1229	>	{ TFBLibrary }
1230	>
1231	>	TFBLibraryImpl = class(TFBLibrary)
1232	>	protected
1233	>	function GetFirebird3API: IFirebirdAPI; override;
1234	>	function GetLegacyFirebirdAPI: IFirebirdAPI; override;
1235	>	end;
1236	>
1237	>	function TFBLibraryImpl.GetFirebird3API: IFirebirdAPI;
1238	>	begin
1239	>	{$IFDEF USEFIREBIRD3API}
1240	>	Result := TFB30ClientAPI.Create(self);
1241	>	{$ELSE}
1242	>	Result := nil;
1243	>	{$ENDIF}
1244	>	end;
1245	>
1246	>	function TFBLibraryImpl.GetLegacyFirebirdAPI: IFirebirdAPI;
1247	>	begin
1248	>	{$IFDEF USELEGACYFIREBIRDAPI}
1249	>	Result := TFB25ClientAPI.Create(self);
1250	>	{$ELSE}
1251	>	Result := nil;
1252	>	{$ENDIF}
1253	>	end;
1254
1255		function FirebirdAPI: IFirebirdAPI;
1256		begin
1257	<	if FFirebirdAPI = nil then
1257	>	if FDefaultFBLibrary = nil then
1258		CheckIBLoaded;
1259	<	Result := FFirebirdAPI;
1259	>	Result := FDefaultFBLibrary.GetFirebirdAPI;
1260		end;
1261
1262		function TryIBLoad: Boolean;
1263	+	var fblib: IFirebirdLibrary;
1264		begin
1265	<	Result := FFirebirdAPI <> nil;
1265	>	Result := FDefaultFBLibrary <> nil;
1266		try
1072	–	{$IFDEF USEFIREBIRD3API}
1073	–	if not Result then
1074	–	begin
1075	–	FFirebirdAPI := TFB30ClientAPI.Create;
1076	–	Result := FFirebirdAPI.HasMasterIntf;
1077	–	end;
1078	–	{$ENDIF}
1079	–	{$IFDEF USELEGACYFIREBIRDAPI}
1267		if not Result then
1268		begin
1269	<	FFirebirdAPI := nil;
1270	<	FFirebirdAPI := TFB25ClientAPI.Create;
1271	<	Result := true;
1272	<	end;
1086	<	{$ENDIF}
1087	<	if Result and not (FFirebirdAPI as TFBClientAPI).IsLibraryLoaded then
1088	<	begin
1089	<	Result := false;
1090	<	FFirebirdAPI := nil;
1269	>	fblib := TFBLibraryImpl.Create;
1270	>	if (fblib <> nil) and (fblib.GetFirebirdAPI <> nil) then
1271	>	FDefaultFBLibrary := fblib;
1272	>	Result := FDefaultFBLibrary <> nil;
1273		end;
1274		except
1275		SysUtils.showexception(ExceptObject,ExceptAddr);
#	Line 1101 | Line 1283 | begin
1283		IBError(ibxeInterBaseMissing, [nil]);
1284		end;
1285
1286	+	function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary;
1287	+	var fblib: IFirebirdLibrary;
1288	+	begin
1289	+	if trim(aLibPathName) = '' then
1290	+	begin
1291	+	CheckIBLoaded;
1292	+	Result := FDefaultFBLibrary;
1293	+	end
1294	+	else
1295	+	begin
1296	+	fblib := TFBLibraryImpl.GetFBLibrary(aLibPathName);
1297	+	if (fblib = nil) or (fblib.GetFirebirdAPI = nil) then
1298	+	IBError(ibxeInterBaseMissing, [nil]);
1299	+	Result := fblib;
1300	+	end;
1301	+	end;
1302	+
1303		{ EIBError }
1304
1305	<	constructor EIBError.Create(ASQLCode: Long; Msg: string);
1305	>	constructor EIBError.Create(ASQLCode: Long; Msg: AnsiString);
1306		begin
1307		inherited Create(Msg);
1308		FSQLCode := ASQLCode;
#	Line 1118 | Line 1317 | begin
1317		end;
1318
1319		constructor EIBInterBaseError.Create(ASQLCode: Long; AIBErrorCode: Long;
1320	<	Msg: string);
1320	>	Msg: AnsiString);
1321		begin
1322		inherited Create(ASQLCode,Msg);
1323		FIBErrorCode := AIBErrorCode;
#	Line 1131 | Line 1330 | begin
1330		end;
1331
1332		initialization
1333	<	FFirebirdAPI := nil;
1333	>	FDefaultFBLibrary := nil;
1334
1335	+	finalization
1336	+	FDefaultFBLibrary := nil;
1337
1338		end.
1339

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