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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 263 by tony, Thu Dec 6 15:55:01 2018 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		{$ENDIF}
75
76		{$DEFINE USEFIREBIRD3API}
#	Line 103 | Line 106 | unit IB;
106
107		5. Straightforward progammatic access to the Firebird API from Pascal programs.
108
109	+	6. FPC and Delphi Support.
110	+
111		String Types
112		============
113
#	Line 117 | Line 122 | unit IB;
122		interface
123
124		uses
125	<	Classes, SysUtils, DB, FBMessages, IBExternals;
125	>	Classes,
126	>	{$IFDEF WINDOWS}Windows, {$ENDIF}
127	>	{$IFDEF FPC} Dynlibs, {$ENDIF}
128	>	SysUtils, DB, FBMessages, IBExternals;
129	>
130	>	const
131	>	{Interface version information}
132	>	FBIntf_Major = 1;
133	>	FBIntf_Minor = 1;
134	>	FBIntf_Release = 3;
135	>	FBIntf_Version = '1.1.3';
136
137		{These include files are converted from the 'C' originals in the Firebird API
138		and define the various constants used by the API}
139
140	<	{$I consts_pub.inc}
141	<	{$I inf_pub.inc}
142	<	{$I configkeys.inc}
140	>	{$I 'include/consts_pub.inc'}
141	>	{$I 'include/inf_pub.inc'}
142	>	{$I 'include/configkeys.inc'}
143
144		{The following constants define the values return by calls to the GetSQLType
145		methods provided by several of the interfaces defined below.}
#	Line 160 | Line 175 | type
175		PGDS__QUAD           = ^TGDS__QUAD;
176		PISC_QUAD            = ^TISC_QUAD;
177
178	+	{$IFNDEF FPC}
179	+	{Delphi missing definitions}
180	+	type
181	+	TLibHandle = THandle;
182	+
183	+	const
184	+	NilHandle = 0;
185	+	DirectorySeparator = '\';
186	+
187	+	{Delphi only seems to define CP_UTF8 and CP_UTF16}
188	+	const
189	+	CP_ACP     = 0;     // default to ANSI code page
190	+	CP_OEMCP   = 1;     // default to OEM (console) code page
191	+	CP_UTF16BE = 1201;  // unicodeFFFE
192	+	CP_UTF7    = 65000; // utf-7
193	+	CP_ASCII   = 20127; // us-ascii
194	+	CP_NONE    = $FFFF; // rawbytestring encoding
195	+
196	+	{$ENDIF}
197	+
198	+	type
199	+	{$IF not declared(TSystemCodePage)}
200	+	TSystemCodePage = word; {not defined in Delphi}
201	+	{$IFEND}
202	+
203		TIBSQLStatementTypes =
204		(SQLUnknown, SQLSelect, SQLInsert,
205		SQLUpdate, SQLDelete, SQLDDL,
#	Line 171 | Line 211 | type
211		TFBStatusCode = cardinal;
212		TByteArray = array of byte;
213
214	+	IFirebirdAPI = interface;
215		IAttachment = interface;
216		ITransaction = interface;
217
218	<	{The IParameterBlock generic interface provides the template for all parameter
218	>	{The IParameterBlock interface provides the template for all parameter
219		block interfaces}
220
221	<	generic IParameterBlock<_IItem> = interface
221	>	IParameterBlock<_IItem> = interface
222		function getCount: integer;
223		function Add(ParamType: byte): _IItem;
224		function getItems(index: integer): _IItem;
#	Line 191 | Line 232 | type
232		different parameter block items }
233
234		IParameterBlockItem = interface
235	+	['{53b23f7b-abda-46a5-9aa5-07bd5e723266}']
236		function getParamType: byte;
237		function getAsInteger: integer;
238	<	function getAsString: string;
238	>	function getAsString: AnsiString;
239		function getAsByte: byte;
240	<	procedure setAsString(aValue: string);
240	>	procedure setAsString(aValue: AnsiString);
241		procedure setAsByte(aValue: byte);
242		procedure SetAsInteger(aValue: integer);
243	<	property AsString: string read getAsString write setAsString;
243	>	property AsString: AnsiString read getAsString write setAsString;
244		property AsByte: byte read getAsByte write setAsByte;
245		property AsInteger: integer read getAsInteger write SetAsInteger;
246		end;
#	Line 212 | Line 254 | type
254		}
255
256		IStatus = interface
257	+	['{34167722-af38-4831-b08a-93162d58ede3}']
258		function GetIBErrorCode: Long;
259		function Getsqlcode: Long;
260	<	function GetMessage: string;
260	>	function GetMessage: AnsiString;
261		function CheckStatusVector(ErrorCodes: array of TFBStatusCode): Boolean;
262		function GetIBDataBaseErrorMessages: TIBDataBaseErrorMessages;
263		procedure SetIBDataBaseErrorMessages(Value: TIBDataBaseErrorMessages);
#	Line 231 | Line 274 | type
274		TArrayBounds = array of TArrayBound;
275
276		IArrayMetaData = interface
277	+	['{7dd0aea4-59af-4c2a-b958-565d5025c489}']
278		function GetSQLType: cardinal;
279	<	function GetSQLTypeName: string;
279	>	function GetSQLTypeName: AnsiString;
280		function GetScale: integer;
281		function GetSize: cardinal;
282		function GetCharSetID: cardinal;
283	<	function GetTableName: string;
284	<	function GetColumnName: string;
283	>	function GetTableName: AnsiString;
284	>	function GetColumnName: AnsiString;
285		function GetDimensions: integer;
286		function GetBounds: TArrayBounds;
287		end;
#	Line 262 | Line 306 | type
306		TArrayEventHandler = procedure(Sender: IArray; Reason: TArrayEventReason) of object;
307
308		IArray = interface(IArrayMetaData)
309	+	['{631c6bb1-fb49-44fb-a64a-c49859632b88}']
310		function GetArrayID: TISC_QUAD;
311		procedure Clear;
312		function IsEmpty: boolean;
#	Line 277 | Line 322 | type
322		function GetAsFloat(index: array of integer): Float;
323		function GetAsLong(index: array of integer): Long;
324		function GetAsShort(index: array of integer): Short;
325	<	function GetAsString(index: array of integer): String;
325	>	function GetAsString(index: array of integer): AnsiString;
326		function GetAsVariant(index: array of integer): Variant;
327		procedure SetAsInteger(index: array of integer; AValue: integer);
328		procedure SetAsBoolean(index: array of integer; AValue: boolean);
#	Line 290 | Line 335 | type
335		procedure SetAsDouble(index: array of integer; Value: Double);
336		procedure SetAsFloat(index: array of integer; Value: Float);
337		procedure SetAsShort(index: array of integer; Value: Short);
338	<	procedure SetAsString(index: array of integer; Value: String);
338	>	procedure SetAsString(index: array of integer; Value: AnsiString);
339		procedure SetAsVariant(index: array of integer; Value: Variant);
340		procedure SetBounds(dim, UpperBound, LowerBound: integer);
341		function GetAttachment: IAttachment;
#	Line 304 | Line 349 | type
349		}
350
351		IBlobMetaData = interface
352	+	['{575f3c61-bb33-46a5-8975-bb7d1b6e37cc}']
353		function GetSubType: integer;
354		function GetCharSetID: cardinal;
355		function GetCodePage: TSystemCodePage;
356		function GetSegmentSize: cardinal;
357	<	function GetRelationName: string;
358	<	function GetColumnName: string;
357	>	function GetRelationName: AnsiString;
358	>	function GetColumnName: AnsiString;
359		end;
360
361		{The Blob Parameter block is used to select a Blob Filter}
362
363	<	IBPBItem = interface (IParameterBlockItem) end;
363	>	IBPBItem = interface (IParameterBlockItem)
364	>	['{660822a5-3114-4c16-b6cb-c1a7b2aba70d}']
365	>	end;
366
367	<	IBPB = specialize IParameterBlock<IBPBItem>;
367	>	IBPB = interface (IParameterBlock<IBPBItem>)
368	>	['{e0cb9eb5-17f7-4416-b7d1-3cddd1dfca76}']
369	>	end;
370
371		{ The Blob Interface provides access to a blob data item.
372
#	Line 330 | Line 380 | type
380		TBlobType = (btSegmented,btStream);
381
382		IBlob = interface(IBlobMetaData)
383	+	['{3090a145-7780-442b-b15b-efd4568b8611}']
384		function GetBPB: IBPB;
385		procedure Cancel;
386		procedure Close;
#	Line 340 | Line 391 | type
391		TotalSize: Int64; var BlobType: TBlobType);
392		function Read(var Buffer; Count: Longint): Longint;
393		function Write(const Buffer; Count: Longint): Longint;
394	<	function LoadFromFile(Filename: string): IBlob;
394	>	function LoadFromFile(Filename: AnsiString): IBlob;
395		function LoadFromStream(S: TStream) : IBlob;
396	<	function SaveToFile(Filename: string): IBlob;
396	>	function SaveToFile(Filename: AnsiString): IBlob;
397		function SaveToStream(S: TStream): IBlob;
398		function GetAsString: rawbytestring;
399		procedure SetAsString(aValue: rawbytestring);
#	Line 359 | Line 410 | type
410		{ IColumnMetaData }
411
412		IColumnMetaData = interface
413	+	['{c222e6c3-53c1-469f-9e05-0a5c3ef232d8}']
414		function GetIndex: integer;
415		function GetSQLType: cardinal;
416	<	function GetSQLTypeName: string;
416	>	function GetSQLTypeName: AnsiString;
417		function getSubtype: integer;
418	<	function getRelationName: string;
419	<	function getOwnerName: string;
420	<	function getSQLName: string;    {Name of the column}
421	<	function getAliasName: string;  {Alias Name of column or Column Name if no alias}
422	<	function getName: string;       {Disambiguated uppercase Field Name}
418	>	function getRelationName: AnsiString;
419	>	function getOwnerName: AnsiString;
420	>	function getSQLName: AnsiString;    {Name of the column}
421	>	function getAliasName: AnsiString;  {Alias Name of column or Column Name if no alias}
422	>	function getName: AnsiString;       {Disambiguated uppercase Field Name}
423		function getScale: integer;
424		function getCharSetID: cardinal;
425		function getCodePage: TSystemCodePage;
#	Line 375 | Line 427 | type
427		function GetSize: cardinal;
428		function GetArrayMetaData: IArrayMetaData; {Valid only for Array SQL Type}
429		function GetBlobMetaData: IBlobMetaData; {Valid only for Blob SQL Type}
430	<	property Name: string read GetName;
430	>	property Name: AnsiString read GetName;
431		property Size: cardinal read GetSize;
432		property SQLType: cardinal read GetSQLType;
433		property Scale: integer read getScale;
#	Line 391 | Line 443 | type
443		{ IMetaData }
444
445		IMetaData = interface
446	+	['{4dafdbb6-0d36-4f1f-9c95-8b132804b965}']
447		function getCount: integer;
448		function getColumnMetaData(index: integer): IColumnMetaData;
449	<	function GetUniqueRelationName: string; {Non empty if all columns come from the same table}
450	<	function ByName(Idx: String): IColumnMetaData;
449	>	function GetUniqueRelationName: AnsiString; {Non empty if all columns come from the same table}
450	>	function ByName(Idx: AnsiString): IColumnMetaData;
451		property ColMetaData[index: integer]: IColumnMetaData read getColumnMetaData; default;
452		property Count: integer read getCount;
453		end;
#	Line 414 | Line 467 | type
467
468
469		ISQLData = interface(IColumnMetaData)
470	+	['{3f493e31-7e3f-4606-a07c-b210b9e3619d}']
471		function GetAsBoolean: boolean;
472		function GetAsCurrency: Currency;
473		function GetAsInt64: Int64;
#	Line 424 | Line 478 | type
478		function GetAsPointer: Pointer;
479		function GetAsQuad: TISC_QUAD;
480		function GetAsShort: short;
481	<	function GetAsString: String;
481	>	function GetAsString: AnsiString;
482		function GetIsNull: Boolean;
483		function GetAsVariant: Variant;
484		function GetAsBlob: IBlob; overload;
#	Line 443 | Line 497 | type
497		property AsPointer: Pointer read GetAsPointer;
498		property AsQuad: TISC_QUAD read GetAsQuad;
499		property AsShort: short read GetAsShort;
500	<	property AsString: String read GetAsString;
500	>	property AsString: AnsiString read GetAsString;
501		property AsVariant: Variant read GetAsVariant ;
502		property AsBlob: IBlob read GetAsBlob;
503		property AsArray: IArray read GetAsArray;
#	Line 458 | Line 512 | type
512		}
513
514		IResults = interface
515	+	['{e836b2bb-93d1-4bbf-a8eb-7ce535de3bb5}']
516		function getCount: integer;
517		function GetTransaction: ITransaction;
518	<	function ByName(Idx: String): ISQLData;
518	>	function ByName(Idx: AnsiString): ISQLData;
519		function getSQLData(index: integer): ISQLData;
520	<	procedure GetData(index: integer; var IsNull:boolean; var len: short; var data: PChar);
520	>	procedure GetData(index: integer; var IsNull:boolean; var len: short; var data: PByte);
521		procedure SetRetainInterfaces(aValue: boolean);
522		property Data[index: integer]: ISQLData read getSQLData; default;
523		property Count: integer read getCount;
#	Line 474 | Line 529 | type
529		in turn, used to access the data returned by each field of the current row.
530		}
531		IResultSet = interface(IResults)
532	+	['{0ae4979b-7857-4e8c-8918-ec6f155b51a0}']
533		function FetchNext: boolean;
534	<	function GetCursorName: string;
534	>	function GetCursorName: AnsiString;
535		function IsEof: boolean;
536		procedure Close;
537		end;
#	Line 496 | Line 552 | type
552		}
553
554		ISQLParam = interface
555	+	['{b22b4578-6d41-4807-a9a9-d2ec8d1d5a14}']
556		function GetIndex: integer;
557		function GetSQLType: cardinal;
558	<	function GetSQLTypeName: string;
558	>	function GetSQLTypeName: AnsiString;
559		function getSubtype: integer;
560	<	function getName: string;
560	>	function getName: AnsiString;
561		function getScale: integer;
562		function getCharSetID: cardinal;
563		function getCodePage: TSystemCodePage;
#	Line 516 | Line 573 | type
573		function GetAsPointer: Pointer;
574		function GetAsQuad: TISC_QUAD;
575		function GetAsShort: short;
576	<	function GetAsString: String;
576	>	function GetAsString: AnsiString;
577		function GetIsNull: boolean;
578		function GetAsVariant: Variant;
579		function GetAsBlob: IBlob;
#	Line 534 | Line 591 | type
591		procedure SetAsFloat(aValue: Float);
592		procedure SetAsPointer(aValue: Pointer);
593		procedure SetAsShort(aValue: Short);
594	<	procedure SetAsString(aValue: String);
594	>	procedure SetAsString(aValue: AnsiString);
595		procedure SetAsVariant(aValue: Variant);
596		procedure SetIsNull(aValue: Boolean);
597		procedure SetAsBlob(aValue: IBlob);
#	Line 553 | Line 610 | type
610		property AsLong: Long read GetAsLong write SetAsLong;
611		property AsPointer: Pointer read GetAsPointer write SetAsPointer;
612		property AsShort: Short read GetAsShort write SetAsShort;
613	<	property AsString: String read GetAsString write SetAsString;
613	>	property AsString: AnsiString read GetAsString write SetAsString;
614		property AsVariant: Variant read GetAsVariant write SetAsVariant;
615		property AsBlob: IBlob read GetAsBlob write SetAsBlob;
616		property AsArray: IArray read GetAsArray write SetAsArray;
#	Line 562 | Line 619 | type
619		property IsNull: Boolean read GetIsNull write SetIsNull;
620		property IsNullable: Boolean read GetIsNullable;
621		property Modified: Boolean read getModified;
622	<	property Name: string read GetName;
622	>	property Name: AnsiString read GetName;
623		property SQLType: cardinal read GetSQLType;
624		end;
625
#	Line 572 | Line 629 | type
629		}
630
631		ISQLParams = interface
632	+	['{c6d95ac7-b2b7-461b-b890-afef0acbb077}']
633		function getCount: integer;
634		function getSQLParam(index: integer): ISQLParam;
635	<	function ByName(Idx: String): ISQLParam ;
635	>	function ByName(Idx: AnsiString): ISQLParam ;
636		function GetModified: Boolean;
637		property Modified: Boolean read GetModified;
638		property Params[index: integer]: ISQLParam read getSQLParam; default;
639		property Count: integer read getCount;
640		end;
641
642	+
643	+	TPerfStats = (psCurrentMemory, psMaxMemory,
644	+	psRealTime, psUserTime, psBuffers,
645	+	psReads, psWrites, psFetches,psDeltaMemory);
646	+
647	+	TPerfCounters = array[TPerfStats] of Int64;
648	+
649		{The IStatement interface provides access to an SQL Statement once it has been
650		initially prepared. The interface is returned from the IAttachment interface.
651		}
652
653		IStatement = interface
654	+	['{a260576d-a07d-4a66-b02d-1b72543fd7cf}']
655		function GetMetaData: IMetaData;  {Output Metadata}
656		function GetSQLParams: ISQLParams;{Statement Parameters}
657	<	function GetPlan: String;
657	>	function GetPlan: AnsiString;
658		function GetRowsAffected(var SelectCount, InsertCount, UpdateCount, DeleteCount: integer): boolean;
659		function GetSQLStatementType: TIBSQLStatementTypes;
660	<	function GetSQLText: string;
660	>	function GetSQLText: AnsiString;
661	>	function GetProcessedSQLText: AnsiString;
662		function GetSQLDialect: integer;
663		function IsPrepared: boolean;
664		procedure Prepare(aTransaction: ITransaction=nil);
#	Line 600 | Line 667 | type
667		function GetAttachment: IAttachment;
668		function GetTransaction: ITransaction;
669		procedure SetRetainInterfaces(aValue: boolean);
670	+	procedure EnableStatistics(aValue: boolean);
671	+	function GetPerfStatistics(var stats: TPerfCounters): boolean;
672		property MetaData: IMetaData read GetMetaData;
673		property SQLParams: ISQLParams read GetSQLParams;
674		property SQLStatementType: TIBSQLStatementTypes read GetSQLStatementType;
#	Line 616 | Line 685 | type
685		found in the Interbase 6.0 API Guide.
686		}
687
688	<	ITPBItem = interface(IParameterBlockItem) end;
688	>	ITPBItem = interface(IParameterBlockItem)
689	>	['{544c1f2b-7c12-4a87-a4a5-face7ea72671}']
690	>	end;
691
692	<	ITPB = specialize IParameterBlock<ITPBItem>;
692	>	ITPB = interface(IParameterBlock<ITPBItem>)
693	>	['{7369b0ff-defe-437b-81fe-19b211d42d25}']
694	>	end;
695
696		{The ITransactionAction interface provides access to a Transaction once it
697		has been initially started. After a Commit or Rollback, a transaction
#	Line 632 | Line 705 | type
705		TTransactionCompletion = TARollback.. TACommit;
706
707		ITransaction = interface
708	+	['{30928d0e-a9d7-4c61-b7cf-14f4f38abe2a}']
709		function getTPB: ITPB;
710		procedure Start(DefaultCompletion: TTransactionCompletion=taCommit);
711		function GetInTransaction: boolean;
#	Line 659 | Line 733 | type
733		}
734
735		TEventInfo = record
736	<	EventName: string;
736	>	EventName: AnsiString;
737		Count: integer;
738		end;
739
#	Line 670 | Line 744 | type
744		{ IEvents }
745
746		IEvents = interface
747	+	['{6a0be233-ed08-4524-889c-2e45d0c20e5f}']
748		procedure GetEvents(EventNames: TStrings);
749		procedure SetEvents(EventNames: TStrings); overload;
750	<	procedure SetEvents(EventName: string); overload;
750	>	procedure SetEvents(EventName: AnsiString); overload;
751		procedure Cancel;
752		function ExtractEventCounts: TEventCounts;
753		procedure WaitForEvent;
#	Line 703 | Line 778 | type
778		TDBOperationCounts = array of TDBOperationCount;
779
780		IDBInfoItem = interface
781	+	['{eeb97b51-ec0f-473f-9f75-c1721f055fcb}']
782		function getItemType: byte;
783		function getSize: integer;
784		procedure getRawBytes(var Buffer);
785	<	function getAsString: string;
785	>	function getAsString: AnsiString;
786		function getAsInteger: integer;
787	<	procedure DecodeIDCluster(var ConnectionType: integer; var DBFileName, DBSiteName: string);
787	>	procedure DecodeIDCluster(var ConnectionType: integer; var DBFileName, DBSiteName: AnsiString);
788		function getAsBytes: TByteArray;
789	<	procedure DecodeVersionString(var Version: byte; var VersionString: string);
789	>	function getAsDateTime: TDateTime;
790	>	procedure DecodeVersionString(var Version: byte; var VersionString: AnsiString);
791		function getOperationCounts: TDBOperationCounts;
792		procedure DecodeUserNames(UserNames: TStrings);
793
#	Line 719 | Line 796 | type
796		function GetItem(index: integer): IDBInfoItem;
797		function Find(ItemType: byte): IDBInfoItem;
798		property AsInteger: integer read getAsInteger;
799	<	property AsString: string read GetAsString;
799	>	property AsString: AnsiString read GetAsString;
800		property Count: integer read GetCount;
801		property Items[index: integer]: IDBInfoItem read getItem; default;
802		end;
#	Line 727 | Line 804 | type
804		{ IDBInformation }
805
806		IDBInformation = interface
807	+	['{7ac6777f-f0a9-498a-9f5c-4a57a554df81}']
808		function GetCount: integer;
809		function GetItem(index: integer): IDBInfoItem;
810		function Find(ItemType: byte): IDBInfoItem;
#	Line 735 | Line 813 | type
813		property Items[index: integer]: IDBInfoItem read getItem; default;
814		end;
815
816	+	{The Database Information Request Block is used to pass requests for
817	+	database information where at least one item requested has a parameter.
818	+	At present, this is only fb_info_page_contents which has a single
819	+	integer parameter.}
820	+
821	+	IDIRBItem = interface(IParameterBlockItem)
822	+	['{d34a7511-8435-4a24-81a7-5103d218d234}']
823	+	end;
824	+
825	+	IDIRB = interface(IParameterBlock<IDIRBItem>)
826	+	['{1010e5ac-0a8f-403b-a302-91625e9d9579}']
827	+	end;
828	+
829	+
830		{The Database Parameter Block (DPB).
831
832		The DPB provides the parameters used when connecting to a database. It is allocated
#	Line 746 | Line 838 | type
838		found in the Interbase 6.0 API Guide.
839		}
840
841	<	IDPBItem = interface(IParameterBlockItem) end;
841	>	IDPBItem = interface(IParameterBlockItem)
842	>	['{123d4ad0-087a-4cd1-a344-1b3d03b30673}']
843	>	end;
844
845	<	IDPB = specialize IParameterBlock<IDPBItem>;
845	>	IDPB = interface(IParameterBlock<IDPBItem>)
846	>	['{e676067b-1cf4-4eba-9256-9724f57e0d16}']
847	>	end;
848
849		{The IAttachment interface provides access to a Database Connection. It may be
850		used to:
#	Line 778 | Line 874 | type
874		{ IAttachment }
875
876		IAttachment = interface
877	+	['{466e9b67-9def-4807-b3e7-e08a35e7185c}']
878	+	function getFirebirdAPI: IFirebirdAPI;
879		function getDPB: IDPB;
880		function AllocateBPB: IBPB;
881	+	function AllocateDIRB: IDIRB;
882		procedure Connect;
883		procedure Disconnect(Force: boolean=false);
884		function IsConnected: boolean;
885		procedure DropDatabase;
886		function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
887		function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion=taCommit): ITransaction; overload;
888	<	procedure ExecImmediate(transaction: ITransaction; sql: string; SQLDialect: integer); overload;
889	<	procedure ExecImmediate(TPB: array of byte; sql: string; SQLDialect: integer); overload;
890	<	procedure ExecImmediate(transaction: ITransaction; sql: string); overload;
891	<	procedure ExecImmediate(TPB: array of byte; sql: string); overload;
892	<	function ExecuteSQL(TPB: array of byte; sql: string; SQLDialect: integer; params: array of const): IResults; overload;
893	<	function ExecuteSQL(transaction: ITransaction; sql: string; SQLDialect: integer; params: array of const): IResults; overload;
894	<	function ExecuteSQL(TPB: array of byte; sql: string; params: array of const): IResults; overload;
895	<	function ExecuteSQL(transaction: ITransaction; sql: string; params: array of const): IResults; overload;
896	<	function OpenCursor(transaction: ITransaction; sql: string; aSQLDialect: integer): IResultSet; overload;
897	<	function OpenCursor(transaction: ITransaction; sql: string; aSQLDialect: integer;
888	>	procedure ExecImmediate(transaction: ITransaction; sql: AnsiString; SQLDialect: integer); overload;
889	>	procedure ExecImmediate(TPB: array of byte; sql: AnsiString; SQLDialect: integer); overload;
890	>	procedure ExecImmediate(transaction: ITransaction; sql: AnsiString); overload;
891	>	procedure ExecImmediate(TPB: array of byte; sql: AnsiString); overload;
892	>	function ExecuteSQL(TPB: array of byte; sql: AnsiString; SQLDialect: integer; params: array of const): IResults; overload;
893	>	function ExecuteSQL(transaction: ITransaction; sql: AnsiString; SQLDialect: integer; params: array of const): IResults; overload;
894	>	function ExecuteSQL(TPB: array of byte; sql: AnsiString; params: array of const): IResults; overload;
895	>	function ExecuteSQL(transaction: ITransaction; sql: AnsiString; params: array of const): IResults; overload;
896	>	function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
897	>	function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
898		params: array of const): IResultSet; overload;
899	<	function OpenCursor(transaction: ITransaction; sql: string): IResultSet; overload;
900	<	function OpenCursor(transaction: ITransaction; sql: string;
899	>	function OpenCursor(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
900	>	function OpenCursor(transaction: ITransaction; sql: AnsiString;
901		params: array of const): IResultSet; overload;
902	<	function OpenCursorAtStart(transaction: ITransaction; sql: string; aSQLDialect: integer): IResultSet; overload;
903	<	function OpenCursorAtStart(transaction: ITransaction; sql: string; aSQLDialect: integer;
902	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
903	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
904		params: array of const): IResultSet; overload;
905	<	function OpenCursorAtStart(transaction: ITransaction; sql: string): IResultSet; overload;
906	<	function OpenCursorAtStart(transaction: ITransaction; sql: string;
905	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
906	>	function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString;
907		params: array of const): IResultSet; overload;
908	<	function OpenCursorAtStart(sql: string): IResultSet; overload;
909	<	function OpenCursorAtStart(sql: string;
908	>	function OpenCursorAtStart(sql: AnsiString): IResultSet; overload;
909	>	function OpenCursorAtStart(sql: AnsiString;
910		params: array of const): IResultSet; overload;
911	<	function Prepare(transaction: ITransaction; sql: string; aSQLDialect: integer): IStatement; overload;
912	<	function Prepare(transaction: ITransaction; sql: string): IStatement; overload;
913	<	function PrepareWithNamedParameters(transaction: ITransaction; sql: string;
911	>	function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IStatement; overload;
912	>	function Prepare(transaction: ITransaction; sql: AnsiString): IStatement; overload;
913	>	function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
914		aSQLDialect: integer; GenerateParamNames: boolean=false): IStatement; overload;
915	<	function PrepareWithNamedParameters(transaction: ITransaction; sql: string;
915	>	function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
916		GenerateParamNames: boolean=false): IStatement; overload;
917
918		{Events}
919		function GetEventHandler(Events: TStrings): IEvents; overload;
920	<	function GetEventHandler(Event: string): IEvents; overload;
920	>	function GetEventHandler(Event: AnsiString): IEvents; overload;
921
922		{Blob - may use to open existing Blobs. However, ISQLData.AsBlob is preferred}
923
924	<	function CreateBlob(transaction: ITransaction; RelationName, ColumnName: string; BPB: IBPB=nil): IBlob; overload;
924	>	function CreateBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BPB: IBPB=nil): IBlob; overload;
925		function CreateBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BPB: IBPB=nil): IBlob; overload;
926		function CreateBlob(transaction: ITransaction; SubType: integer; CharSetID: cardinal=0; BPB: IBPB=nil): IBlob; overload;
927	<	function OpenBlob(transaction: ITransaction; RelationName, ColumnName: string; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob;
927	>	function OpenBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob;
928
929		{Array - may use to open existing arrays. However, ISQLData.AsArray is preferred}
930
931	<	function OpenArray(transaction: ITransaction; RelationName, ColumnName: string; ArrayID: TISC_QUAD): IArray;
932	<	function CreateArray(transaction: ITransaction; RelationName, ColumnName: string): IArray; overload;
931	>	function OpenArray(transaction: ITransaction; RelationName, ColumnName: AnsiString; ArrayID: TISC_QUAD): IArray;
932	>	function CreateArray(transaction: ITransaction; RelationName, ColumnName: AnsiString): IArray; overload;
933		function CreateArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData): IArray; overload;
934	+	function CreateArrayMetaData(SQLType: cardinal; tableName: AnsiString; columnName: AnsiString;
935	+	Scale: integer; size: cardinal; charSetID: cardinal; dimensions: cardinal;
936	+	bounds: TArrayBounds): IArrayMetaData;
937
938		{Database Information}
939		function GetSQLDialect: integer;
940	<	function GetBlobMetaData(Transaction: ITransaction; tableName, columnName: string): IBlobMetaData;
941	<	function GetArrayMetaData(Transaction: ITransaction; tableName, columnName: string): IArrayMetaData;
940	>	function GetBlobMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IBlobMetaData;
941	>	function GetArrayMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IArrayMetaData;
942		function GetDBInformation(Requests: array of byte): IDBInformation; overload;
943		function GetDBInformation(Request: byte): IDBInformation; overload;
944	+	function GetDBInformation(Requests: IDIRB): IDBInformation; overload;
945	+	function GetConnectString: AnsiString;
946	+	function GetRemoteProtocol: AnsiString;
947	+	function GetAuthenticationMethod: AnsiString;
948	+	function GetSecurityDatabase: AnsiString;
949	+	function GetODSMajorVersion: integer;
950	+	function GetODSMinorVersion: integer;
951		function HasActivity: boolean;
952	+
953	+	{Character Sets}
954	+	function HasDefaultCharSet: boolean;
955	+	function GetDefaultCharSetID: integer;
956	+	function GetCharsetName(CharSetID: integer): AnsiString;
957	+	function CharSetID2CodePage(CharSetID: integer; var CodePage: TSystemCodePage): boolean;
958	+	function CodePage2CharSetID(CodePage: TSystemCodePage; var CharSetID: integer): boolean;
959	+	function CharSetName2CharSetID(CharSetName: AnsiString; var CharSetID: integer): boolean;
960	+	function CharSetWidth(CharSetID: integer; var Width: integer): boolean;
961	+	procedure RegisterCharSet(CharSetName: AnsiString; CodePage: TSystemCodePage;
962	+	AllowReverseLookup:boolean; out CharSetID: integer);
963		end;
964
965	<	TProtocol = (TCP, SPX, NamedPipe, Local);
965	>	TProtocolAll = (TCP, SPX, NamedPipe, Local, inet, inet4, inet6, wnet, xnet, unknownProtocol);
966	>	TProtocol = TCP..xnet;
967
968		{Service Parameter Block (SPB).
969
#	Line 856 | Line 977 | type
977
978		}
979
980	<	ISPBItem = interface(IParameterBlockItem) end;
980	>	ISPBItem = interface(IParameterBlockItem)
981	>	['{5d08ae2b-4519-41bd-8b40-97cd451c3f6a}']
982	>	end;
983
984	<	ISPB = specialize IParameterBlock<ISPBItem>;
984	>	ISPB = interface(IParameterBlock<ISPBItem>)
985	>	['{2c5836fd-41ed-4426-9b7d-5af580ec2659}']
986	>	end;
987
988		{Service Query Parameter Block (SQPB).
989
#	Line 867 | Line 992 | type
992		}
993
994		ISQPBItem = interface(IParameterBlockItem)
995	+	['{b07841a6-33b3-47f0-b5a2-028cbc86dc97}']
996		function CopyFrom(source: TStream; count: integer): integer;
997		end;
998
999	<	ISQPB = specialize IParameterBlock<ISQPBItem>;
999	>	ISQPB = interface(IParameterBlock<ISQPBItem>)
1000	>	['{8553e66b-ee62-498b-8431-dff030211447}']
1001	>	end;
1002
1003		{Service Request Block (SRB).
1004
#	Line 884 | Line 1012 | type
1012
1013		}
1014
1015	<	ISRBItem = interface(IParameterBlockItem) end;
1015	>	ISRBItem = interface(IParameterBlockItem)
1016	>	['{47ec790e-f265-4b30-9dcd-261e51677245}']
1017	>	end;
1018
1019	<	ISRB = specialize IParameterBlock<ISRBItem>;
1019	>	ISRB = interface(IParameterBlock<ISRBItem>)
1020	>	['{9f2e204f-3c33-4e44-90f9-9135e95dafb9}']
1021	>	end;
1022
1023		{The Service Query Results Interface.
1024
#	Line 904 | Line 1036 | type
1036		}
1037
1038		IServiceQueryResultSubItem = interface
1039	+	['{8a4c381e-9923-4cc9-a96b-553729248640}']
1040		function getItemType: byte;
1041		function getSize: integer;
1042		procedure getRawBytes(var Buffer);
1043	<	function getAsString: string;
1043	>	function getAsString: AnsiString;
1044		function getAsInteger: integer;
1045		function getAsByte: byte;
1046		function CopyTo(stream: TStream; count: integer): integer;
1047	<	property AsString: string read getAsString;
1047	>	property AsString: AnsiString read getAsString;
1048		property AsInteger: integer read getAsInteger;
1049		property AsByte: byte read getAsByte;
1050		end;
1051
1052		IServiceQueryResultItem = interface(IServiceQueryResultSubItem)
1053	+	['{b2806886-206c-4024-8df9-5fe0a7630a5e}']
1054		function getCount: integer;
1055		function getItem(index: integer): IServiceQueryResultSubItem;
1056		function find(ItemType: byte): IServiceQueryResultSubItem;
#	Line 925 | Line 1059 | type
1059		end;
1060
1061		IServiceQueryResults = interface
1062	+	['{8fbbef7d-fe03-4409-828a-a787d34ef531}']
1063		function getCount: integer;
1064		function getItem(index: integer): IServiceQueryResultItem;
1065		function find(ItemType: byte): IServiceQueryResultItem;
#	Line 933 | Line 1068 | type
1068		property Count: integer read getCount;
1069		end;
1070
1071	+	IFirebirdLibrary = interface;
1072	+
1073		{The IServiceManager interface provides access to a service manager. It can
1074		used to Detach and re-attach to Service Manager, to start services and to
1075		query the service manager.
#	Line 943 | Line 1080 | type
1080		{ IServiceManager }
1081
1082		IServiceManager = interface
1083	+	['{905b587d-1e1f-4e40-a3f8-a3519f852e48}']
1084	+	function getFirebirdAPI: IFirebirdAPI;
1085		function getSPB: ISPB;
1086	<	function getServerName: string;
1086	>	function getServerName: AnsiString;
1087	>	function getProtocol: TProtocol;
1088	>	function getPortNo: AnsiString;
1089		procedure Attach;
1090		procedure Detach(Force: boolean=false);
1091		function IsAttached: boolean;
1092		function AllocateSRB: ISRB;
1093		function AllocateSQPB: ISQPB;
1094	<	procedure Start(Request: ISRB);
1095	<	function Query(SQPB: ISQPB; Request: ISRB) :IServiceQueryResults; overload;
1096	<	function Query(Request: ISRB) :IServiceQueryResults; overload;
1094	>	function Start(Request: ISRB; RaiseExceptionOnError: boolean=true): boolean;
1095	>	function Query(SQPB: ISQPB; Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
1096	>	function Query(Request: ISRB; RaiseExceptionOnError: boolean=true) :IServiceQueryResults; overload;
1097	>	end;
1098	>
1099	>	{Tbe Firebird Library API used to get information about the Firebird library}
1100	>
1101	>
1102	>	IFirebirdLibrary = interface
1103	>	['{3c04e0a1-12e0-428a-b2e1-bc6fcd97b79b}']
1104	>	function GetHandle: TLibHandle;
1105	>	function GetLibraryName: string;
1106	>	function GetLibraryFilePath: string;
1107	>	function GetFirebirdAPI: IFirebirdAPI;
1108		end;
1109
1110		{The Firebird API.
#	Line 964 | Line 1116 | type
1116		}
1117
1118		IFirebirdAPI = interface
1119	+	['{edeee691-c8d3-4dcf-a780-cd7e432821d5}']
1120		{Database connections}
1121		function AllocateDPB: IDPB;
1122	<	function OpenDatabase(DatabaseName: string; DPB: IDPB; RaiseExceptionOnConnectError: boolean=true): IAttachment;
1123	<	function CreateDatabase(DatabaseName: string; DPB: IDPB; RaiseExceptionOnError: boolean=true): IAttachment;
1122	>	function OpenDatabase(DatabaseName: AnsiString; DPB: IDPB; RaiseExceptionOnConnectError: boolean=true): IAttachment;
1123	>	function CreateDatabase(DatabaseName: AnsiString; DPB: IDPB; RaiseExceptionOnError: boolean=true): IAttachment; overload;
1124	>	function CreateDatabase(sql: AnsiString; aSQLDialect: integer; RaiseExceptionOnError: boolean=true): IAttachment; overload;
1125
1126		{Start Transaction against multiple databases}
1127		function AllocateTPB: ITPB;
#	Line 979 | Line 1133 | type
1133		{Service Manager}
1134		function HasServiceAPI: boolean;
1135		function AllocateSPB: ISPB;
1136	<	function GetServiceManager(ServerName: string; Protocol: TProtocol; SPB: ISPB): IServiceManager;
1136	>	function GetServiceManager(ServerName: AnsiString; Protocol: TProtocol; SPB: ISPB): IServiceManager; overload;
1137	>	function GetServiceManager(ServerName: AnsiString; Port: AnsiString; Protocol: TProtocol; SPB: ISPB): IServiceManager; overload;
1138
1139		{Information}
1140		function GetStatus: IStatus;
986	–	function GetLibraryName: string;
1141		function HasRollbackRetaining: boolean;
1142		function IsEmbeddedServer: boolean;
1143	<	function GetImplementationVersion: string;
1143	>	function GetImplementationVersion: AnsiString;
1144
1145		{Firebird 3 API}
1146		function HasMasterIntf: boolean;
1147		function GetIMaster: TObject;
1148	<
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;
1148	>	function GetFBLibrary: IFirebirdLibrary;
1149		end;
1150
1151		type
#	Line 1014 | Line 1162 | type
1162		private
1163		FSQLCode: Long;
1164		public
1165	<	constructor Create(ASQLCode: Long; Msg: string);
1165	>	constructor Create(ASQLCode: Long; Msg: AnsiString);
1166		property SQLCode: Long read FSQLCode;
1167		end;
1168
#	Line 1025 | Line 1173 | type
1173		FIBErrorCode: Long;
1174		public
1175		constructor Create(Status: IStatus); overload;
1176	<	constructor Create(ASQLCode: Long; AIBErrorCode: Long; Msg: string); overload;
1176	>	constructor Create(ASQLCode: Long; AIBErrorCode: Long; Msg: AnsiString); overload;
1177		property IBErrorCode: Long read FIBErrorCode;
1178		end;
1179
#	Line 1050 | Line 1198 | function FirebirdAPI: IFirebirdAPI;
1198		function TryIBLoad: Boolean;
1199		procedure CheckIBLoaded;
1200
1201	+	{If you want to explicitly load the Firebird library from a
1202	+	non-default location then use this function and its GetFirebirdAPI function
1203	+	to get the API.}
1204	+
1205	+	function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary;
1206	+
1207		implementation
1208
1209		uses FBClientAPI
1210		{$IFDEF USELEGACYFIREBIRDAPI}, FB25ClientAPI {$ENDIF}
1211		{$IFDEF USEFIREBIRD3API}, FB30ClientAPI {$ENDIF};
1212
1213	<	var FFirebirdAPI: IFirebirdAPI;
1213	>	var FDefaultFBLibrary: IFirebirdLibrary;
1214	>
1215	>	type
1216	>
1217	>	{ TFBLibrary }
1218	>
1219	>	TFBLibraryImpl = class(TFBLibrary)
1220	>	protected
1221	>	function GetFirebird3API: IFirebirdAPI; override;
1222	>	function GetLegacyFirebirdAPI: IFirebirdAPI; override;
1223	>	end;
1224	>
1225	>	function TFBLibraryImpl.GetFirebird3API: IFirebirdAPI;
1226	>	begin
1227	>	{$IFDEF USEFIREBIRD3API}
1228	>	Result := TFB30ClientAPI.Create(self);
1229	>	{$ELSE}
1230	>	Result := nil;
1231	>	{$ENDIF}
1232	>	end;
1233	>
1234	>	function TFBLibraryImpl.GetLegacyFirebirdAPI: IFirebirdAPI;
1235	>	begin
1236	>	{$IFDEF USELEGACYFIREBIRDAPI}
1237	>	Result := TFB25ClientAPI.Create(self);
1238	>	{$ELSE}
1239	>	Result := nil;
1240	>	{$ENDIF}
1241	>	end;
1242
1243		function FirebirdAPI: IFirebirdAPI;
1244		begin
1245	<	if FFirebirdAPI = nil then
1245	>	if FDefaultFBLibrary = nil then
1246		CheckIBLoaded;
1247	<	Result := FFirebirdAPI;
1247	>	Result := FDefaultFBLibrary.GetFirebirdAPI;
1248		end;
1249
1250		function TryIBLoad: Boolean;
1251	+	var fblib: IFirebirdLibrary;
1252		begin
1253	<	Result := FFirebirdAPI <> nil;
1253	>	Result := FDefaultFBLibrary <> nil;
1254		try
1072	–	{$IFDEF USEFIREBIRD3API}
1073	–	if not Result then
1074	–	begin
1075	–	FFirebirdAPI := TFB30ClientAPI.Create;
1076	–	Result := FFirebirdAPI.HasMasterIntf;
1077	–	end;
1078	–	{$ENDIF}
1079	–	{$IFDEF USELEGACYFIREBIRDAPI}
1255		if not Result then
1256		begin
1257	<	FFirebirdAPI := nil;
1258	<	FFirebirdAPI := TFB25ClientAPI.Create;
1259	<	Result := true;
1260	<	end;
1086	<	{$ENDIF}
1087	<	if Result and not (FFirebirdAPI as TFBClientAPI).IsLibraryLoaded then
1088	<	begin
1089	<	Result := false;
1090	<	FFirebirdAPI := nil;
1257	>	fblib := TFBLibraryImpl.Create;
1258	>	if (fblib <> nil) and (fblib.GetFirebirdAPI <> nil) then
1259	>	FDefaultFBLibrary := fblib;
1260	>	Result := FDefaultFBLibrary <> nil;
1261		end;
1262		except
1263		SysUtils.showexception(ExceptObject,ExceptAddr);
#	Line 1101 | Line 1271 | begin
1271		IBError(ibxeInterBaseMissing, [nil]);
1272		end;
1273
1274	+	function LoadFBLibrary(aLibPathName: string): IFirebirdLibrary;
1275	+	var fblib: IFirebirdLibrary;
1276	+	begin
1277	+	if trim(aLibPathName) = '' then
1278	+	begin
1279	+	CheckIBLoaded;
1280	+	Result := FDefaultFBLibrary;
1281	+	end
1282	+	else
1283	+	begin
1284	+	fblib := TFBLibraryImpl.GetFBLibrary(aLibPathName);
1285	+	if (fblib = nil) or (fblib.GetFirebirdAPI = nil) then
1286	+	IBError(ibxeInterBaseMissing, [nil]);
1287	+	Result := fblib;
1288	+	end;
1289	+	end;
1290	+
1291		{ EIBError }
1292
1293	<	constructor EIBError.Create(ASQLCode: Long; Msg: string);
1293	>	constructor EIBError.Create(ASQLCode: Long; Msg: AnsiString);
1294		begin
1295		inherited Create(Msg);
1296		FSQLCode := ASQLCode;
#	Line 1118 | Line 1305 | begin
1305		end;
1306
1307		constructor EIBInterBaseError.Create(ASQLCode: Long; AIBErrorCode: Long;
1308	<	Msg: string);
1308	>	Msg: AnsiString);
1309		begin
1310		inherited Create(ASQLCode,Msg);
1311		FIBErrorCode := AIBErrorCode;
#	Line 1131 | Line 1318 | begin
1318		end;
1319
1320		initialization
1321	<	FFirebirdAPI := nil;
1321	>	FDefaultFBLibrary := nil;
1322
1323	+	finalization
1324	+	FDefaultFBLibrary := nil;
1325
1326		end.
1327

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