[ViewVC] Diff of: public/ibx/trunk/runtime/IBCustomDataSet.pas

Comparing ibx/trunk/runtime/IBCustomDataSet.pas (file contents):
Revision 1 by tony, Mon Jul 31 16:43:00 2000 UTC vs.
Revision 104 by tony, Thu Jan 18 14:37:29 2018 UTC

#	Line 24 \| Line 24
24		{ Corporation. All Rights Reserved. }
25		{ Contributor(s): Jeff Overcash }
26		{ }
27	+	{ IBX For Lazarus (Firebird Express) }
28	+	{ Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk }
29	+	{ Portions created by MWA Software are copyright McCallum Whyman }
30	+	{ Associates Ltd 2011 - 2015 }
31	+	{ }
32		{************************************************************************}
33
34		unit IBCustomDataSet;
35
36	+	{$R-}
37	+
38	+	{$IFDEF FPC}
39	+	{$Mode Delphi}
40	+	{$codepage UTF8}
41	+	{$ENDIF}
42	+
43	+	{$IFDEF DELPHI}
44	+	{$DEFINE TDBDFIELD_IS_BCD}
45	+	{$ENDIF}
46	+
47		interface
48
49		uses
50	<	Windows, SysUtils, Classes, Forms, Controls, StdVCL,
51	<	IBExternals, IB, IBHeader, IBDatabase, IBSQL, Db,
52	<	IBUtils, IBBlob;
50	>	{$IFDEF WINDOWS }
51	>	Windows,
52	>	{$ELSE}
53	>	unix,
54	>	{$ENDIF}
55	>	SysUtils, Classes, IBDatabase, IBExternals, IB, IBSQL, Db,
56	>	IBUtils, IBBlob, IBSQLParser, IBDatabaseInfo;
57
58		const
59		BufferCacheSize = 1000; { Allocate cache in this many record chunks}
#	Line 43 \| Line 63 \| type
63		TIBCustomDataSet = class;
64		TIBDataSet = class;
65
66	+	{ TIBDataSetUpdateObject }
67	+
68		TIBDataSetUpdateObject = class(TComponent)
69		private
70		FRefreshSQL: TStrings;
#	Line 50 \| Line 72 \| type
72		protected
73		function GetDataSet: TIBCustomDataSet; virtual; abstract;
74		procedure SetDataSet(ADataSet: TIBCustomDataSet); virtual; abstract;
75	<	procedure Apply(UpdateKind: TUpdateKind); virtual; abstract;
75	>	procedure Apply(UpdateKind: TUpdateKind; buff: PChar); virtual; abstract;
76		function GetSQL(UpdateKind: TUpdateKind): TStrings; virtual; abstract;
77	+	procedure InternalSetParams(Params: ISQLParams; buff: PChar); overload;
78	+	procedure InternalSetParams(Query: TIBSQL; buff: PChar); overload;
79	+	procedure UpdateRecordFromQuery(QryResults: IResults; Buffer: PChar);
80		property DataSet: TIBCustomDataSet read GetDataSet write SetDataSet;
81		public
82		constructor Create(AOwner: TComponent); override;
#	Line 60 \| Line 85 \| type
85		property RefreshSQL: TStrings read FRefreshSQL write SetRefreshSQL;
86		end;
87
63	–	PDateTime = ^TDateTime;
88		TBlobDataArray = array[0..0] of TIBBlobStream;
89		PBlobDataArray = ^TBlobDataArray;
90	+	TIBArrayField = class;
91
92	<	{ TIBCustomDataSet }
93	<	TFieldData = record
94	<	fdDataType: Short;
95	<	fdDataScale: Short;
96	<	fdNullable: Boolean;
97	<	fdIsNull: Boolean;
98	<	fdDataSize: Short;
99	<	fdDataLength: Short;
100	<	fdDataOfs: Integer;
92	>	{ TIBArray }
93	>
94	>	{Wrapper class to support array cache in TIBCustomDataset and event handling}
95	>
96	>	TIBArray = class
97	>	private
98	>	FArray: IArray;
99	>	FRecNo: integer;
100	>	FField: TIBArrayField;
101	>	procedure EventHandler(Sender: IArray; Reason: TArrayEventReason);
102	>	public
103	>	constructor Create(aField: TIBArrayField; anArray: IArray);
104	>	destructor Destroy; override;
105	>	property ArrayIntf: IArray read FArray;
106		end;
107	<	PFieldData = ^TFieldData;
107	>
108	>	TArrayDataArray = array [0..0] of TIBArray;
109	>	PArrayDataArray = ^TArrayDataArray;
110	>
111	>	{ TIBCustomDataSet }
112
113		TCachedUpdateStatus = (
114		cusUnmodified, cusModified, cusInserted,
#	Line 85 \| Line 119 \| type
119		end;
120		PIBDBKey = ^TIBDBKey;
121
122	+	PFieldData = ^TFieldData;
123	+	TFieldData = record
124	+	fdIsNull: Boolean;
125	+	fdDataLength: Short;
126	+	end;
127	+
128	+	PColumnData = ^TColumnData;
129	+	TColumnData = record
130	+	fdDataType: Short;
131	+	fdDataScale: Short;
132	+	fdNullable: Boolean;
133	+	fdDataSize: Short;
134	+	fdDataOfs: Integer;
135	+	fdCodePage: TSystemCodePage;
136	+	end;
137	+
138	+	PFieldColumns = ^TFieldColumns;
139	+	TFieldColumns = array[1..1] of TColumnData;
140	+
141		TRecordData = record
142		rdBookmarkFlag: TBookmarkFlag;
143		rdFieldCount: Short;
144	<	rdRecordNumber: Long;
144	>	rdRecordNumber: Integer;
145		rdCachedUpdateStatus: TCachedUpdateStatus;
146		rdUpdateStatus: TUpdateStatus;
147		rdSavedOffset: DWORD;
#	Line 97 \| Line 150 \| type
150		end;
151		PRecordData = ^TRecordData;
152
153	+	{ TIBArrayField }
154	+
155	+	TIBArrayField = class(TField)
156	+	private
157	+	FArrayBounds: TArrayBounds;
158	+	FArrayDimensions: integer;
159	+	FRelationName: string;
160	+	FCacheOffset: word;
161	+	function GetArrayID: TISC_QUAD;
162	+	function GetArrayIntf: IArray;
163	+	procedure SetArrayIntf(AValue: IArray);
164	+	protected
165	+	class procedure CheckTypeSize(AValue: Longint); override;
166	+	function GetAsString: string; override;
167	+	function GetDataSize: Integer; override;
168	+	procedure Bind(Binding: Boolean); override;
169	+	public
170	+	constructor Create(AOwner: TComponent); override;
171	+	function CreateArray: IArray;
172	+	property ArrayID: TISC_QUAD read GetArrayID;
173	+	property ArrayIntf: IArray read GetArrayIntf write SetArrayIntf;
174	+	property ArrayDimensions: integer read FArrayDimensions write FArrayDimensions;
175	+	property ArrayBounds: TArrayBounds read FArrayBounds write FArrayBounds;
176	+	end;
177	+
178		{ TIBStringField allows us to have strings longer than 8196 }
179
180		TIBStringField = class(TStringField)
181	+	private
182	+	FCharacterSetName: RawByteString;
183	+	FCharacterSetSize: integer;
184	+	FAutoFieldSize: boolean;
185	+	FCodePage: TSystemCodePage;
186	+	FDataSize: integer;
187	+	protected
188	+	procedure Bind(Binding: Boolean); override;
189	+	function GetDataSize: Integer; override;
190		public
191	<	constructor create(AOwner: TComponent); override;
191	>	constructor Create(aOwner: TComponent); override;
192		class procedure CheckTypeSize(Value: Integer); override;
193		function GetAsString: string; override;
194		function GetAsVariant: Variant; override;
195		function GetValue(var Value: string): Boolean;
196		procedure SetAsString(const Value: string); override;
197	+	property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName;
198	+	property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
199	+	property CodePage: TSystemCodePage read FCodePage write FCodePage;
200	+	published
201	+	property AutoFieldSize: boolean read FAutoFieldSize write FAutoFieldSize default true;
202		end;
203
204		{ TIBBCDField }
#	Line 117 \| Line 209 \| type
209		Note: y > 4 will default to Floats
210		}
211		TIBBCDField = class(TBCDField)
212	+	private
213	+	FIdentityColumn: boolean;
214		protected
215	+	procedure Bind(Binding: Boolean); override;
216		class procedure CheckTypeSize(Value: Integer); override;
217		function GetAsCurrency: Currency; override;
218		function GetAsString: string; override;
#	Line 125 \| Line 220 \| type
220		function GetDataSize: Integer; override;
221		public
222		constructor Create(AOwner: TComponent); override;
223	+	property IdentityColumn: boolean read FIdentityColumn;
224		published
225		property Size default 8;
226		end;
227
228	+	{The following integer field types extend the built in versions to enable IBX appplications
229	+	to check for an Identity column}
230	+
231	+	{ TIBSmallintField }
232	+
233	+	TIBSmallintField = class(TSmallintField)
234	+	private
235	+	FIdentityColumn: boolean;
236	+	protected
237	+	procedure Bind(Binding: Boolean); override;
238	+	public
239	+	property IdentityColumn: boolean read FIdentityColumn;
240	+	end;
241	+
242	+	{ TIBIntegerField }
243	+
244	+	TIBIntegerField = class(TIntegerField)
245	+	private
246	+	FIdentityColumn: boolean;
247	+	protected
248	+	procedure Bind(Binding: Boolean); override;
249	+	public
250	+	property IdentityColumn: boolean read FIdentityColumn;
251	+	end;
252	+
253	+	{ TIBLargeIntField }
254	+
255	+	TIBLargeIntField = class(TLargeIntField)
256	+	private
257	+	FIdentityColumn: boolean;
258	+	protected
259	+	procedure Bind(Binding: Boolean); override;
260	+	public
261	+	property IdentityColumn: boolean read FIdentityColumn;
262	+	end;
263	+
264	+	{TIBMemoField}
265	+	{Allows us to show truncated text in DBGrids and anything else that uses
266	+	DisplayText}
267	+
268	+	TIBMemoField = class(TMemoField)
269	+	private
270	+	FCharacterSetName: RawByteString;
271	+	FCharacterSetSize: integer;
272	+	FDisplayTextAsClassName: boolean;
273	+	function GetTruncatedText: string;
274	+	protected
275	+	procedure Bind(Binding: Boolean); override;
276	+	function GetAsString: string; override;
277	+	function GetDefaultWidth: Longint; override;
278	+	procedure GetText(var AText: string; ADisplayText: Boolean); override;
279	+	procedure SetAsString(const AValue: string); override;
280	+	public
281	+	constructor Create(AOwner: TComponent); override;
282	+	property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName;
283	+	property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
284	+	published
285	+	property DisplayTextAsClassName: boolean read FDisplayTextAsClassName
286	+	write FDisplayTextAsClassName;
287	+	private
288	+	FCodePage: TSystemCodePage;
289	+	FFCodePage: TSystemCodePage;
290	+	public
291	+	property CodePage: TSystemCodePage read FFCodePage write FFCodePage;
292	+	end;
293	+
294		TIBDataLink = class(TDetailDataLink)
295		private
296		FDataSet: TIBCustomDataSet;
#	Line 142 \| Line 304 \| type
304		destructor Destroy; override;
305		end;
306
307	+	TIBGeneratorApplyOnEvent = (gaeOnNewRecord,gaeOnPostRecord);
308	+
309	+	{ TIBGenerator }
310	+
311	+	TIBGenerator = class(TPersistent)
312	+	private
313	+	FOwner: TIBCustomDataSet;
314	+	FApplyOnEvent: TIBGeneratorApplyOnEvent;
315	+	FFieldName: string;
316	+	FGeneratorName: string;
317	+	FIncrement: integer;
318	+	FQuery: TIBSQL;
319	+	function GetDatabase: TIBDatabase;
320	+	function GetTransaction: TIBTransaction;
321	+	procedure SetDatabase(AValue: TIBDatabase);
322	+	procedure SetGeneratorName(AValue: string);
323	+	procedure SetIncrement(const AValue: integer);
324	+	procedure SetTransaction(AValue: TIBTransaction);
325	+	procedure SetQuerySQL;
326	+	protected
327	+	function GetNextValue: integer;
328	+	public
329	+	constructor Create(Owner: TIBCustomDataSet);
330	+	destructor Destroy; override;
331	+	procedure Apply;
332	+	property Owner: TIBCustomDataSet read FOwner;
333	+	property Database: TIBDatabase read GetDatabase write SetDatabase;
334	+	property Transaction: TIBTransaction read GetTransaction write SetTransaction;
335	+	published
336	+	property Generator: string read FGeneratorName write SetGeneratorName;
337	+	property Field: string read FFieldName write FFieldName;
338	+	property Increment: integer read FIncrement write SetIncrement default 1;
339	+	property ApplyOnEvent: TIBGeneratorApplyOnEvent read FApplyOnEvent write FApplyOnEvent;
340	+	end;
341	+
342	+	{TIBControlLink - Allows IB Aware controls to react to dataset state changes}
343	+
344	+	TIBControlLink = class
345	+	private
346	+	FTIBDataSet: TIBCustomDataSet;
347	+	procedure SetIBDataSet(AValue: TIBCustomDataSet);
348	+	protected
349	+	procedure UpdateSQL(Sender: TObject); virtual;
350	+	procedure UpdateParams(Sender: TObject); virtual;
351	+	public
352	+	destructor Destroy; override;
353	+	property IBDataSet: TIBCustomDataSet read FTIBDataSet write SetIBDataSet;
354	+	end;
355	+
356	+	TIBAutoCommit = (acDisabled, acCommitRetaining);
357	+
358		{ TIBCustomDataSet }
359	+
360		TIBUpdateAction = (uaFail, uaAbort, uaSkip, uaRetry, uaApply, uaApplied);
361
362		TIBUpdateErrorEvent = procedure(DataSet: TDataSet; E: EDatabaseError;
363	<	UpdateKind: TUpdateKind; var UpdateAction: TIBUpdateAction)
363	>	UpdateKind: TUpdateKind; var TheUpdateAction: TIBUpdateAction)
364		of object;
365		TIBUpdateRecordEvent = procedure(DataSet: TDataSet; UpdateKind: TUpdateKind;
366		var UpdateAction: TIBUpdateAction) of object;
367
368		TIBUpdateRecordTypes = set of TCachedUpdateStatus;
369
370	+	TDataSetCloseAction = (dcDiscardChanges, dcSaveChanges);
371	+
372	+	TOnValidatePost = procedure (Sender: TObject; var CancelPost: boolean) of object;
373	+
374		TIBCustomDataSet = class(TDataset)
375		private
376	+	FAllowAutoActivateTransaction: Boolean;
377	+	FArrayFieldCount: integer;
378	+	FArrayCacheOffset: integer;
379	+	FAutoCommit: TIBAutoCommit;
380	+	FGenerateParamNames: Boolean;
381	+	FGeneratorField: TIBGenerator;
382		FNeedsRefresh: Boolean;
383		FForcedRefresh: Boolean;
384		FDidActivate: Boolean;
161	–	FIBLoaded: Boolean;
385		FBase: TIBBase;
386		FBlobCacheOffset: Integer;
387		FBlobStreamList: TList;
388	+	FArrayList: TList;
389		FBufferChunks: Integer;
390		FBufferCache,
391		FOldBufferCache: PChar;
#	Line 179 \| Line 403 \| type
403		FDeletedRecords: Long;
404		FModelBuffer,
405		FOldBuffer: PChar;
406	+	FOnValidatePost: TOnValidatePost;
407		FOpen: Boolean;
408		FInternalPrepared: Boolean;
409		FQDelete,
#	Line 186 \| Line 411 \| type
411		FQRefresh,
412		FQSelect,
413		FQModify: TIBSQL;
414	+	FDatabaseInfo: TIBDatabaseInfo;
415		FRecordBufferSize: Integer;
416		FRecordCount: Integer;
417		FRecordSize: Integer;
418	+	FDataSetCloseAction: TDataSetCloseAction;
419		FUniDirectional: Boolean;
420		FUpdateMode: TUpdateMode;
421		FUpdateObject: TIBDataSetUpdateObject;
#	Line 206 \| Line 433 \| type
433		FBeforeTransactionEnd,
434		FAfterTransactionEnd,
435		FTransactionFree: TNotifyEvent;
436	<
437	<	function GetSelectStmtHandle: TISC_STMT_HANDLE;
436	>	FAliasNameMap: array of string;
437	>	FAliasNameList: array of string;
438	>	FBaseSQLSelect: TStrings;
439	>	FParser: TSelectSQLParser;
440	>	FCloseAction: TTransactionAction;
441	>	FInTransactionEnd: boolean;
442	>	FIBLinks: TList;
443	>	FFieldColumns: PFieldColumns;
444	>	procedure ColumnDataToBuffer(QryResults: IResults; ColumnIndex,
445	>	FieldIndex: integer; Buffer: PChar);
446	>	procedure InitModelBuffer(Qry: TIBSQL; Buffer: PChar);
447	>	function GetSelectStmtIntf: IStatement;
448		procedure SetUpdateMode(const Value: TUpdateMode);
449		procedure SetUpdateObject(Value: TIBDataSetUpdateObject);
450
#	Line 219 \| Line 456 \| type
456		function CanRefresh: Boolean;
457		procedure CheckEditState;
458		procedure ClearBlobCache;
459	+	procedure ClearArrayCache;
460	+	procedure ClearIBLinks;
461		procedure CopyRecordBuffer(Source, Dest: Pointer);
462		procedure DoBeforeDatabaseDisconnect(Sender: TObject);
463		procedure DoAfterDatabaseDisconnect(Sender: TObject);
464		procedure DoDatabaseFree(Sender: TObject);
465	<	procedure DoBeforeTransactionEnd(Sender: TObject);
465	>	procedure DoBeforeTransactionEnd(Sender: TObject; Action: TTransactionAction);
466		procedure DoAfterTransactionEnd(Sender: TObject);
467		procedure DoTransactionFree(Sender: TObject);
468		procedure FetchCurrentRecordToBuffer(Qry: TIBSQL; RecordNumber: Integer;
469		Buffer: PChar);
470		function GetDatabase: TIBDatabase;
232	–	function GetDBHandle: PISC_DB_HANDLE;
471		function GetDeleteSQL: TStrings;
472		function GetInsertSQL: TStrings;
473	<	function GetSQLParams: TIBXSQLDA;
473	>	function GetSQLParams: ISQLParams;
474		function GetRefreshSQL: TStrings;
475		function GetSelectSQL: TStrings;
476	<	function GetStatementType: TIBSQLTypes;
476	>	function GetStatementType: TIBSQLStatementTypes;
477		function GetModifySQL: TStrings;
478		function GetTransaction: TIBTransaction;
479	<	function GetTRHandle: PISC_TR_HANDLE;
480	<	procedure InternalDeleteRecord(Qry: TIBSQL; Buff: Pointer);
479	>	function GetParser: TSelectSQLParser;
480	>	procedure InternalDeleteRecord(Qry: TIBSQL; Buff: Pointer); virtual;
481		function InternalLocate(const KeyFields: string; const KeyValues: Variant;
482		Options: TLocateOptions): Boolean; virtual;
483	<	procedure InternalPostRecord(Qry: TIBSQL; Buff: Pointer);
484	<	procedure InternalRevertRecord(RecordNumber: Integer);
483	>	procedure InternalPostRecord(Qry: TIBSQL; Buff: Pointer); virtual;
484	>	procedure InternalRevertRecord(RecordNumber: Integer); virtual;
485		function IsVisible(Buffer: PChar): Boolean;
486	+	procedure RegisterIBLink(Sender: TIBControlLink);
487	+	procedure UnRegisterIBLink(Sender: TIBControlLink);
488		procedure SaveOldBuffer(Buffer: PChar);
489		procedure SetBufferChunks(Value: Integer);
490		procedure SetDatabase(Value: TIBDatabase);
491		procedure SetDeleteSQL(Value: TStrings);
492		procedure SetInsertSQL(Value: TStrings);
493	<	procedure SetInternalSQLParams(Qry: TIBSQL; Buffer: Pointer);
493	>	procedure SetInternalSQLParams(Params: ISQLParams; Buffer: Pointer);
494		procedure SetRefreshSQL(Value: TStrings);
495		procedure SetSelectSQL(Value: TStrings);
496		procedure SetModifySQL(Value: TStrings);
497		procedure SetTransaction(Value: TIBTransaction);
498		procedure SetUpdateRecordTypes(Value: TIBUpdateRecordTypes);
499		procedure SetUniDirectional(Value: Boolean);
500	+	procedure UpdateRecordFromQuery(QryResults: IResults; Buffer: PChar);
501		procedure RefreshParams;
261	–	procedure SQLChanging(Sender: TObject); virtual;
502		function AdjustPosition(FCache: PChar; Offset: DWORD;
503	<	Origin: Integer): Integer;
503	>	Origin: Integer): DWORD;
504		procedure ReadCache(FCache: PChar; Offset: DWORD; Origin: Integer;
505		Buffer: PChar);
506		procedure ReadRecordCache(RecordNumber: Integer; Buffer: PChar;
#	Line 269 \| Line 509 \| type
509		Buffer: PChar);
510		procedure WriteRecordCache(RecordNumber: Integer; Buffer: PChar);
511		function InternalGetRecord(Buffer: PChar; GetMode: TGetMode;
512	<	DoCheck: Boolean): TGetResult;
512	>	DoCheck: Boolean): TGetResult; virtual;
513
514		protected
515		procedure ActivateConnection;
#	Line 277 \| Line 517 \| type
517		procedure DeactivateTransaction;
518		procedure CheckDatasetClosed;
519		procedure CheckDatasetOpen;
520	+	function CreateParser: TSelectSQLParser; virtual;
521	+	procedure FieldDefsFromQuery(SourceQuery: TIBSQL);
522		function GetActiveBuf: PChar;
523	<	procedure InternalBatchInput(InputObject: TIBBatchInput);
524	<	procedure InternalBatchOutput(OutputObject: TIBBatchOutput);
523	>	procedure InternalBatchInput(InputObject: TIBBatchInput); virtual;
524	>	procedure InternalBatchOutput(OutputObject: TIBBatchOutput); virtual;
525		procedure InternalPrepare; virtual;
526		procedure InternalUnPrepare; virtual;
527		procedure InternalExecQuery; virtual;
528		procedure InternalRefreshRow; virtual;
529	<	procedure InternalSetParamsFromCursor;
529	>	procedure InternalSetParamsFromCursor; virtual;
530		procedure CheckNotUniDirectional;
531	+	procedure SQLChanging(Sender: TObject); virtual;
532	+	procedure SQLChanged(Sender: TObject); virtual;
533
534		{ IProviderSupport }
535		procedure PSEndTransaction(Commit: Boolean); override;
#	Line 309 \| Line 553 \| type
553		procedure ClearCalcFields(Buffer: PChar); override;
554		function AllocRecordBuffer: PChar; override;
555		procedure DoBeforeDelete; override;
556	+	procedure DoAfterDelete; override;
557		procedure DoBeforeEdit; override;
558	+	procedure DoAfterEdit; override;
559		procedure DoBeforeInsert; override;
560	+	procedure DoAfterInsert; override;
561	+	procedure DoBeforeClose; override;
562	+	procedure DoBeforeOpen; override;
563	+	procedure DoBeforePost; override;
564	+	procedure DoAfterPost; override;
565		procedure FreeRecordBuffer(var Buffer: PChar); override;
566		procedure GetBookmarkData(Buffer: PChar; Data: Pointer); override;
567		function GetBookmarkFlag(Buffer: PChar): TBookmarkFlag; override;
568		function GetCanModify: Boolean; override;
569		function GetDataSource: TDataSource; override;
570	+	function GetDBAliasName(FieldNo: integer): string;
571	+	function GetFieldDefFromAlias(aliasName: string): TFieldDef;
572		function GetFieldClass(FieldType: TFieldType): TFieldClass; override;
573		function GetRecNo: Integer; override;
574		function GetRecord(Buffer: PChar; GetMode: TGetMode;
575		DoCheck: Boolean): TGetResult; override;
576		function GetRecordCount: Integer; override;
577		function GetRecordSize: Word; override;
578	+	procedure InternalAutoCommit;
579		procedure InternalAddRecord(Buffer: Pointer; Append: Boolean); override;
580		procedure InternalCancel; override;
581		procedure InternalClose; override;
582		procedure InternalDelete; override;
583		procedure InternalFirst; override;
584	<	function InternalGetFieldData(Field: TField; Buffer: Pointer): Boolean;
584	>	function InternalGetFieldData(Field: TField; Buffer: Pointer): Boolean; virtual;
585		procedure InternalGotoBookmark(Bookmark: Pointer); override;
586		procedure InternalHandleException; override;
587		procedure InternalInitFieldDefs; override;
#	Line 336 \| Line 590 \| type
590		procedure InternalOpen; override;
591		procedure InternalPost; override;
592		procedure InternalRefresh; override;
593	<	procedure InternalSetFieldData(Field: TField; Buffer: Pointer);
593	>	procedure InternalSetFieldData(Field: TField; Buffer: Pointer); virtual;
594		procedure InternalSetToRecord(Buffer: PChar); override;
595		function IsCursorOpen: Boolean; override;
596	+	procedure Loaded; override;
597		procedure ReQuery;
598		procedure SetBookmarkFlag(Buffer: PChar; Value: TBookmarkFlag); override;
599		procedure SetBookmarkData(Buffer: PChar; Data: Pointer); override;
600		procedure SetCachedUpdates(Value: Boolean);
601		procedure SetDataSource(Value: TDataSource);
602	+	procedure SetGenerateParamNames(AValue: Boolean); virtual;
603		procedure SetFieldData(Field : TField; Buffer : Pointer); override;
604		procedure SetFieldData(Field : TField; Buffer : Pointer;
605		NativeFormat : Boolean); overload; override;
#	Line 351 \| Line 607 \| type
607
608		protected
609		{Likely to be made public by descendant classes}
610	<	property SQLParams: TIBXSQLDA read GetSQLParams;
611	<	property Params: TIBXSQLDA read GetSQLParams;
610	>	property AutoCommit: TIBAutoCommit read FAutoCommit write FAutoCommit default acDisabled;
611	>	property SQLParams: ISQLParams read GetSQLParams;
612	>	property Params: ISQLParams read GetSQLParams;
613		property InternalPrepared: Boolean read FInternalPrepared;
614		property QDelete: TIBSQL read FQDelete;
615		property QInsert: TIBSQL read FQInsert;
616		property QRefresh: TIBSQL read FQRefresh;
617		property QSelect: TIBSQL read FQSelect;
618		property QModify: TIBSQL read FQModify;
619	<	property StatementType: TIBSQLTypes read GetStatementType;
620	<	property SelectStmtHandle: TISC_STMT_HANDLE read GetSelectStmtHandle;
619	>	property StatementType: TIBSQLStatementTypes read GetStatementType;
620	>	property SelectStmtHandle: IStatement read GetSelectStmtIntf;
621
622		{Likely to be made published by descendant classes}
623		property BufferChunks: Integer read FBufferChunks write SetBufferChunks;
624		property CachedUpdates: Boolean read FCachedUpdates write SetCachedUpdates;
625		property UniDirectional: Boolean read FUniDirectional write SetUniDirectional default False;
626	+	property GeneratorField: TIBGenerator read FGeneratorField write FGeneratorField;
627		property DeleteSQL: TStrings read GetDeleteSQL write SetDeleteSQL;
628		property InsertSQL: TStrings read GetInsertSQL write SetInsertSQL;
629		property RefreshSQL: TStrings read GetRefreshSQL write SetRefreshSQL;
#	Line 373 \| Line 631 \| type
631		property ModifySQL: TStrings read GetModifySQL write SetModifySQL;
632		property UpdateMode: TUpdateMode read FUpdateMode write SetUpdateMode default upWhereAll;
633		property ParamCheck: Boolean read FParamCheck write FParamCheck default True;
634	+	property Parser: TSelectSQLParser read GetParser;
635	+	property BaseSQLSelect: TStrings read FBaseSQLSelect;
636
637		property BeforeDatabaseDisconnect: TNotifyEvent read FBeforeDatabaseDisconnect
638		write FBeforeDatabaseDisconnect;
#	Line 386 \| Line 646 \| type
646		write FAfterTransactionEnd;
647		property TransactionFree: TNotifyEvent read FTransactionFree
648		write FTransactionFree;
649	+	property OnValidatePost: TOnValidatePost read FOnValidatePost write FOnValidatePost;
650
651		public
652		constructor Create(AOwner: TComponent); override;
#	Line 393 \| Line 654 \| type
654		procedure ApplyUpdates;
655		function CachedUpdateStatus: TCachedUpdateStatus;
656		procedure CancelUpdates;
657	+	function GetFieldPosition(AliasName: string): integer;
658		procedure FetchAll;
659		function LocateNext(const KeyFields: string; const KeyValues: Variant;
660		Options: TLocateOptions): Boolean;
661		procedure RecordModified(Value: Boolean);
662		procedure RevertRecord;
663		procedure Undelete;
664	+	procedure ResetParser; virtual;
665	+	function HasParser: boolean;
666
667		{ TDataSet support methods }
668		function BookmarkValid(Bookmark: TBookmark): Boolean; override;
669		function CompareBookmarks(Bookmark1, Bookmark2: TBookmark): Integer; override;
670		function CreateBlobStream(Field: TField; Mode: TBlobStreamMode): TStream; override;
671	+	function GetArray(Field: TIBArrayField): IArray;
672	+	procedure SetArrayIntf(AnArray: IArray; Field: TIBArrayField);
673		function GetCurrentRecord(Buffer: PChar): Boolean; override;
674		function GetFieldData(Field : TField; Buffer : Pointer) : Boolean; overload; override;
675	<	function GetFieldData(FieldNo: Integer; Buffer: Pointer): Boolean; overload; override;
675	>	function GetFieldData(FieldNo: Integer; Buffer: Pointer): Boolean; overload; (override;)
676		function GetFieldData(Field : TField; Buffer : Pointer;
677		NativeFormat : Boolean) : Boolean; overload; override;
678	+	property GenerateParamNames: Boolean read FGenerateParamNames write SetGenerateParamNames;
679		function Locate(const KeyFields: string; const KeyValues: Variant;
680		Options: TLocateOptions): Boolean; override;
681		function Lookup(const KeyFields: string; const KeyValues: Variant;
682		const ResultFields: string): Variant; override;
683		function UpdateStatus: TUpdateStatus; override;
684		function IsSequenced: Boolean; override;
685	<
686	<	property DBHandle: PISC_DB_HANDLE read GetDBHandle;
687	<	property TRHandle: PISC_TR_HANDLE read GetTRHandle;
685	>	procedure Post; override;
686	>	function ParamByName(ParamName: String): ISQLParam;
687	>	property ArrayFieldCount: integer read FArrayFieldCount;
688		property UpdateObject: TIBDataSetUpdateObject read FUpdateObject write SetUpdateObject;
689		property UpdatesPending: Boolean read FUpdatesPending;
690		property UpdateRecordTypes: TIBUpdateRecordTypes read FUpdateRecordTypes
691		write SetUpdateRecordTypes;
692	+	property DataSetCloseAction: TDataSetCloseAction
693	+	read FDataSetCloseAction write FDataSetCloseAction;
694
695		published
696	+	property AllowAutoActivateTransaction: Boolean read FAllowAutoActivateTransaction
697	+	write FAllowAutoActivateTransaction;
698		property Database: TIBDatabase read GetDatabase write SetDatabase;
699		property Transaction: TIBTransaction read GetTransaction
700		write SetTransaction;
701		property ForcedRefresh: Boolean read FForcedRefresh
702		write FForcedRefresh default False;
703		property AutoCalcFields;
433	–	property ObjectView default False;
704
705		property AfterCancel;
706		property AfterClose;
#	Line 461 \| Line 731 \| type
731		write FOnUpdateRecord;
732		end;
733
734	<	TIBDataSet = class(TIBCustomDataSet)
734	>	TIBParserDataSet = class(TIBCustomDataSet)
735	>	public
736	>	property Parser;
737	>	end;
738	>
739	>	TIBDataSet = class(TIBParserDataSet)
740		private
741		function GetPrepared: Boolean;
742
#	Line 486 \| Line 761 \| type
761		property QModify;
762		property StatementType;
763		property SelectStmtHandle;
764	+	property BaseSQLSelect;
765
766		published
767		{ TIBCustomDataSet }
768	+	property AutoCommit;
769		property BufferChunks;
770		property CachedUpdates;
771		property DeleteSQL;
#	Line 496 \| Line 773 \| type
773		property RefreshSQL;
774		property SelectSQL;
775		property ModifySQL;
776	+	property GeneratorField;
777	+	property GenerateParamNames;
778		property ParamCheck;
779		property UniDirectional;
780		property Filtered;
781	+	property DataSetCloseAction;
782
783		property BeforeDatabaseDisconnect;
784		property AfterDatabaseDisconnect;
#	Line 534 \| Line 814 \| type
814		property OnFilterRecord;
815		property OnNewRecord;
816		property OnPostError;
817	+	property OnValidatePost;
818		end;
819
820		{ TIBDSBlobStream }
821		TIBDSBlobStream = class(TStream)
822	+	private
823	+	FHasWritten: boolean;
824		protected
825		FField: TField;
826		FBlobStream: TIBBlobStream;
827	+	function GetSize: Int64; override;
828		public
829		constructor Create(AField: TField; ABlobStream: TIBBlobStream;
830		Mode: TBlobStreamMode);
831	+	destructor Destroy; override;
832		function Read(var Buffer; Count: Longint): Longint; override;
833		function Seek(Offset: Longint; Origin: Word): Longint; override;
834		procedure SetSize(NewSize: Longint); override;
835		function Write(const Buffer; Count: Longint): Longint; override;
836		end;
837
838	+	{Extended Field Def for character set info}
839	+
840	+	{ TIBFieldDef }
841	+
842	+	TIBFieldDef = class(TFieldDef)
843	+	private
844	+	FArrayBounds: TArrayBounds;
845	+	FArrayDimensions: integer;
846	+	FCharacterSetName: RawByteString;
847	+	FCharacterSetSize: integer;
848	+	FCodePage: TSystemCodePage;
849	+	FIdentityColumn: boolean;
850	+	FRelationName: string;
851	+	FDataSize: integer;
852	+	published
853	+	property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName;
854	+	property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
855	+	property CodePage: TSystemCodePage read FCodePage write FCodePage;
856	+	property DataSize: integer read FDataSize write FDataSize;
857	+	property RelationName: string read FRelationName write FRelationName;
858	+	property ArrayDimensions: integer read FArrayDimensions write FArrayDimensions;
859	+	property ArrayBounds: TArrayBounds read FArrayBounds write FArrayBounds;
860	+	property IdentityColumn: boolean read FIdentityColumn write FIdentityColumn default false;
861	+	end;
862	+
863		const
864		DefaultFieldClasses: array[TFieldType] of TFieldClass = (
865		nil, { ftUnknown }
866		TIBStringField, { ftString }
867	<	TSmallintField, { ftSmallint }
868	<	TIntegerField, { ftInteger }
867	>	TIBSmallintField, { ftSmallint }
868	>	TIBIntegerField, { ftInteger }
869		TWordField, { ftWord }
870		TBooleanField, { ftBoolean }
871		TFloatField, { ftFloat }
#	Line 568 \| Line 878 \| DefaultFieldClasses: array[TFieldType] o
878		TVarBytesField, { ftVarBytes }
879		TAutoIncField, { ftAutoInc }
880		TBlobField, { ftBlob }
881	<	TMemoField, { ftMemo }
881	>	TIBMemoField, { ftMemo }
882		TGraphicField, { ftGraphic }
883		TBlobField, { ftFmtMemo }
884		TBlobField, { ftParadoxOle }
#	Line 576 \| Line 886 \| DefaultFieldClasses: array[TFieldType] o
886		TBlobField, { ftTypedBinary }
887		nil, { ftCursor }
888		TStringField, { ftFixedChar }
889	<	nil, {TWideStringField } { ftWideString }
890	<	TLargeIntField, { ftLargeInt }
889	>	nil, { ftWideString }
890	>	TIBLargeIntField, { ftLargeInt }
891	>	nil, { ftADT }
892	>	TIBArrayField, { ftArray }
893	>	nil, { ftReference }
894	>	nil, { ftDataSet }
895	>	TBlobField, { ftOraBlob }
896	>	TMemoField, { ftOraClob }
897	>	TVariantField, { ftVariant }
898	>	nil, { ftInterface }
899	>	nil, { ftIDispatch }
900	>	TGuidField, { ftGuid }
901	>	TDateTimeField, {ftTimestamp}
902	>	TIBBCDField, {ftFMTBcd}
903	>	nil, {ftFixedWideChar}
904	>	nil); {ftWideMemo}
905	>	(*
906		TADTField, { ftADT }
907		TArrayField, { ftArray }
908		TReferenceField, { ftReference }
#	Line 587 \| Line 912 \| DefaultFieldClasses: array[TFieldType] o
912		TVariantField, { ftVariant }
913		TInterfaceField, { ftInterface }
914		TIDispatchField, { ftIDispatch }
915	<	TGuidField); { ftGuid }
916	<	var
917	<	CreateProviderProc: function(DataSet: TIBCustomDataSet): IProvider = nil;
915	>	TGuidField); { ftGuid } *)
916	>	(*var
917	>	CreateProviderProc: function(DataSet: TIBCustomDataSet): IProvider = nil;*)
918
919		implementation
920
921	<	uses IBIntf, IBQuery;
921	>	uses Variants, FmtBCD, LazUTF8, FBMessages, IBQuery;
922	>
923	>	const FILE_BEGIN = 0;
924	>	FILE_CURRENT = 1;
925	>	FILE_END = 2;
926
927		type
928
#	Line 602 \| Line 931 \| type
931		FieldName : String;
932		COMPUTED_BLR : Boolean;
933		DEFAULT_VALUE : boolean;
934	+	IDENTITY_COLUMN : boolean;
935		NextField : TFieldNode;
936		end;
937
#	Line 613 \| Line 943 \| type
943		end;
944
945
946	+	{ Copied from LCLProc in order to avoid LCL dependency
947	+
948	+	Ensures the covenient look of multiline string
949	+	when displaying it in the single line
950	+	* Replaces CR and LF with spaces
951	+	* Removes duplicate spaces
952	+	}
953	+	function TextToSingleLine(const AText: string): string;
954	+	var
955	+	str: string;
956	+	i, wstart, wlen: Integer;
957	+	begin
958	+	str := Trim(AText);
959	+	wstart := 0;
960	+	wlen := 0;
961	+	i := 1;
962	+	while i < Length(str) - 1 do
963	+	begin
964	+	if (str[i] in [' ', #13, #10]) then
965	+	begin
966	+	if (wstart = 0) then
967	+	begin
968	+	wstart := i;
969	+	wlen := 1;
970	+	end else
971	+	Inc(wlen);
972	+	end else
973	+	begin
974	+	if wstart > 0 then
975	+	begin
976	+	str[wstart] := ' ';
977	+	Delete(str, wstart+1, wlen-1);
978	+	Dec(i, wlen-1);
979	+	wstart := 0;
980	+	end;
981	+	end;
982	+	Inc(i);
983	+	end;
984	+	Result := str;
985	+	end;
986	+
987	+	{ TIBLargeIntField }
988	+
989	+	procedure TIBLargeIntField.Bind(Binding: Boolean);
990	+	begin
991	+	inherited Bind(Binding);
992	+	if Binding and (FieldDef <> nil) then
993	+	FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
994	+	end;
995	+
996	+	{ TIBIntegerField }
997	+
998	+	procedure TIBIntegerField.Bind(Binding: Boolean);
999	+	begin
1000	+	inherited Bind(Binding);
1001	+	if Binding and (FieldDef <> nil) then
1002	+	FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
1003	+	end;
1004	+
1005	+	{ TIBSmallintField }
1006	+
1007	+	procedure TIBSmallintField.Bind(Binding: Boolean);
1008	+	begin
1009	+	inherited Bind(Binding);
1010	+	if Binding and (FieldDef <> nil) then
1011	+	FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
1012	+	end;
1013	+
1014	+	{ TIBArray }
1015	+
1016	+	procedure TIBArray.EventHandler(Sender: IArray; Reason: TArrayEventReason);
1017	+	begin
1018	+	case Reason of
1019	+	arChanging:
1020	+	if FRecNo <> FField.Dataset.RecNo then
1021	+	IBError(ibxeNotCurrentArray,[nil]);
1022	+
1023	+	arChanged:
1024	+	FField.DataChanged;
1025	+	end;
1026	+	end;
1027	+
1028	+	constructor TIBArray.Create(aField: TIBArrayField; anArray: IArray);
1029	+	begin
1030	+	inherited Create;
1031	+	FField := aField;
1032	+	FArray := anArray;
1033	+	FRecNo := FField.Dataset.RecNo;
1034	+	FArray.AddEventHandler(EventHandler);
1035	+	end;
1036	+
1037	+	destructor TIBArray.Destroy;
1038	+	begin
1039	+	FArray.RemoveEventHandler(EventHandler);
1040	+	inherited Destroy;
1041	+	end;
1042	+
1043	+	{ TIBArrayField }
1044	+
1045	+	function TIBArrayField.GetArrayIntf: IArray;
1046	+	begin
1047	+	Result := TIBCustomDataSet(DataSet).GetArray(self);
1048	+	end;
1049	+
1050	+	function TIBArrayField.GetArrayID: TISC_QUAD;
1051	+	begin
1052	+	GetData(@Result);
1053	+	end;
1054	+
1055	+	procedure TIBArrayField.SetArrayIntf(AValue: IArray);
1056	+	begin
1057	+	TIBCustomDataSet(DataSet).SetArrayIntf(AValue,self);
1058	+	DataChanged;
1059	+	end;
1060	+
1061	+	class procedure TIBArrayField.CheckTypeSize(AValue: Longint);
1062	+	begin
1063	+	//Ignore
1064	+	end;
1065	+
1066	+	function TIBArrayField.GetAsString: string;
1067	+	begin
1068	+	Result := '(Array)';
1069	+	end;
1070	+
1071	+	function TIBArrayField.GetDataSize: Integer;
1072	+	begin
1073	+	Result := sizeof(TISC_QUAD);
1074	+	end;
1075	+
1076	+	procedure TIBArrayField.Bind(Binding: Boolean);
1077	+	begin
1078	+	inherited Bind(Binding);
1079	+	if Binding then
1080	+	begin
1081	+	FCacheOffset := TIBCustomDataSet(DataSet).ArrayFieldCount;
1082	+	Inc(TIBCustomDataSet(DataSet).FArrayFieldCount);
1083	+	if FieldDef <> nil then
1084	+	begin
1085	+	FRelationName := TIBFieldDef(FieldDef).FRelationName;
1086	+	FArrayDimensions := TIBFieldDef(FieldDef).ArrayDimensions;
1087	+	FArrayBounds := TIBFieldDef(FieldDef).ArrayBounds;
1088	+	end;
1089	+	end;
1090	+	end;
1091	+
1092	+	constructor TIBArrayField.Create(AOwner: TComponent);
1093	+	begin
1094	+	inherited Create(AOwner);
1095	+	SetDataType(ftArray);
1096	+	end;
1097	+
1098	+	function TIBArrayField.CreateArray: IArray;
1099	+	begin
1100	+	with DataSet as TIBCustomDataSet do
1101	+	Result := Database.Attachment.CreateArray(Transaction.TransactionIntf,FRelationName,FieldName);
1102	+	end;
1103	+
1104	+	{ TIBMemoField }
1105	+
1106	+	function TIBMemoField.GetTruncatedText: string;
1107	+	begin
1108	+	Result := GetAsString;
1109	+
1110	+	if Result <> '' then
1111	+	begin
1112	+	case CharacterSetSize of
1113	+	1:
1114	+	if DisplayWidth = 0 then
1115	+	Result := TextToSingleLine(Result)
1116	+	else
1117	+	if Length(Result) > DisplayWidth then {Show truncation with elipses}
1118	+	Result := TextToSingleLine(system.copy(Result,1,DisplayWidth-3)) + '...';
1119	+
1120	+	{2: case 2 ignored. This should be handled by TIBWideMemo}
1121	+
1122	+	3, {Assume UNICODE_FSS is really UTF8}
1123	+	4: {Include GB18030 - assuming UTF8 routines work for this codeset}
1124	+	if DisplayWidth = 0 then
1125	+	Result := ValidUTF8String(TextToSingleLine(Result))
1126	+	else
1127	+	if UTF8Length(Result) > DisplayWidth then {Show truncation with elipses}
1128	+	Result := ValidUTF8String(TextToSingleLine(UTF8Copy(Result,1,DisplayWidth-3))) + '...';
1129	+	end;
1130	+	end
1131	+	end;
1132	+
1133	+	procedure TIBMemoField.Bind(Binding: Boolean);
1134	+	var IBFieldDef: TIBFieldDef;
1135	+	begin
1136	+	inherited Bind(Binding);
1137	+	if Binding and (FieldDef <> nil) then
1138	+	begin
1139	+	IBFieldDef := FieldDef as TIBFieldDef;
1140	+	CharacterSetSize := IBFieldDef.CharacterSetSize;
1141	+	CharacterSetName := IBFieldDef.CharacterSetName;
1142	+	CodePage := IBFieldDef.CodePage;
1143	+	end;
1144	+	end;
1145	+
1146	+	function TIBMemoField.GetAsString: string;
1147	+	var s: RawByteString;
1148	+	begin
1149	+	s := inherited GetAsString;
1150	+	SetCodePage(s,CodePage,false);
1151	+	if (CodePage <> CP_NONE) and (CodePage <> CP_UTF8) then
1152	+	SetCodePage(s,CP_UTF8,true); {LCL only accepts UTF8}
1153	+	Result := s;
1154	+	end;
1155	+
1156	+	function TIBMemoField.GetDefaultWidth: Longint;
1157	+	begin
1158	+	if DisplayTextAsClassName then
1159	+	Result := inherited
1160	+	else
1161	+	Result := 128;
1162	+	end;
1163	+
1164	+	procedure TIBMemoField.GetText(var AText: string; ADisplayText: Boolean);
1165	+	begin
1166	+	if ADisplayText then
1167	+	begin
1168	+	if not DisplayTextAsClassName and (CharacterSetName <> '') then
1169	+	AText := GetTruncatedText
1170	+	else
1171	+	inherited GetText(AText, ADisplayText);
1172	+	end
1173	+	else
1174	+	AText := GetAsString;
1175	+	end;
1176	+
1177	+	procedure TIBMemoField.SetAsString(const AValue: string);
1178	+	var s: RawByteString;
1179	+	begin
1180	+	s := AValue;
1181	+	if StringCodePage(s) <> CodePage then
1182	+	SetCodePage(s,CodePage,CodePage<>CP_NONE);
1183	+	inherited SetAsString(s);
1184	+	end;
1185	+
1186	+	constructor TIBMemoField.Create(AOwner: TComponent);
1187	+	begin
1188	+	inherited Create(AOwner);
1189	+	BlobType := ftMemo;
1190	+	FCodePage := CP_NONE;
1191	+	end;
1192	+
1193	+	{ TIBControlLink }
1194	+
1195	+	destructor TIBControlLink.Destroy;
1196	+	begin
1197	+	IBDataSet := nil;
1198	+	inherited Destroy;
1199	+	end;
1200	+
1201	+	procedure TIBControlLink.UpdateParams(Sender: TObject);
1202	+	begin
1203	+
1204	+	end;
1205	+
1206	+	procedure TIBControlLink.UpdateSQL(Sender: TObject);
1207	+	begin
1208	+
1209	+	end;
1210	+
1211	+	procedure TIBControlLink.SetIBDataSet(AValue: TIBCustomDataSet);
1212	+	begin
1213	+	if FTIBDataSet = AValue then Exit;
1214	+	if IBDataSet <> nil then
1215	+	IBDataSet.UnRegisterIBLink(self);
1216	+	FTIBDataSet := AValue;
1217	+	if IBDataSet <> nil then
1218	+	IBDataSet.RegisterIBLink(self);
1219	+	end;
1220	+
1221	+
1222		{ TIBStringField}
1223
1224	<	constructor TIBStringField.Create(AOwner: TComponent);
1224	>	procedure TIBStringField.Bind(Binding: Boolean);
1225	>	var IBFieldDef: TIBFieldDef;
1226	>	begin
1227	>	inherited Bind(Binding);
1228	>	if Binding and (FieldDef <> nil) then
1229	>	begin
1230	>	IBFieldDef := FieldDef as TIBFieldDef;
1231	>	CharacterSetSize := IBFieldDef.CharacterSetSize;
1232	>	CharacterSetName := IBFieldDef.CharacterSetName;
1233	>	FDataSize := IBFieldDef.DataSize + 1;
1234	>	if AutoFieldSize then
1235	>	Size := IBFieldDef.Size;
1236	>	CodePage := IBFieldDef.CodePage;
1237	>	end;
1238	>	end;
1239	>
1240	>	function TIBStringField.GetDataSize: Integer;
1241		begin
1242	<	inherited;
1242	>	Result := FDataSize;
1243	>	end;
1244	>
1245	>	constructor TIBStringField.Create(aOwner: TComponent);
1246	>	begin
1247	>	inherited Create(aOwner);
1248	>	FCharacterSetSize := 1;
1249	>	FCodePage := CP_NONE;
1250	>	FAutoFieldSize := true;
1251		end;
1252
1253		class procedure TIBStringField.CheckTypeSize(Value: Integer);
#	Line 640 \| Line 1270 \| end;
1270		function TIBStringField.GetValue(var Value: string): Boolean;
1271		var
1272		Buffer: PChar;
1273	+	s: RawByteString;
1274		begin
1275		Buffer := nil;
1276	<	IBAlloc(Buffer, 0, Size + 1);
1276	>	IBAlloc(Buffer, 0, DataSize);
1277		try
1278		Result := GetData(Buffer);
1279		if Result then
1280		begin
1281	<	Value := string(Buffer);
1281	>	s := strpas(Buffer);
1282	>	SetCodePage(s,CodePage,false);
1283	>	if (CodePage <> CP_NONE) and (CodePage <> CP_UTF8) then
1284	>	SetCodePage(s,CP_UTF8,true); {LCL only accepts UTF8}
1285	>	Value := s;
1286	>	// writeln(FieldName,': ', StringCodePage(Value),', ',Value);
1287		if Transliterate and (Value <> '') then
1288		DataSet.Translate(PChar(Value), PChar(Value), False);
1289		end
#	Line 659 \| Line 1295 \| end;
1295		procedure TIBStringField.SetAsString(const Value: string);
1296		var
1297		Buffer: PChar;
1298	+	s: RawByteString;
1299		begin
1300		Buffer := nil;
1301	<	IBAlloc(Buffer, 0, Size + 1);
1301	>	IBAlloc(Buffer, 0, DataSize);
1302		try
1303	<	StrLCopy(Buffer, PChar(Value), Size);
1303	>	s := Value;
1304	>	if StringCodePage(s) <> CodePage then
1305	>	SetCodePage(s,CodePage,CodePage<>CP_NONE);
1306	>	StrLCopy(Buffer, PChar(s), DataSize-1);
1307		if Transliterate then
1308		DataSet.Translate(Buffer, Buffer, True);
1309		SetData(Buffer);
#	Line 672 \| Line 1312 \| begin
1312		end;
1313		end;
1314
1315	+
1316		{ TIBBCDField }
1317
1318		constructor TIBBCDField.Create(AOwner: TComponent);
#	Line 681 \| Line 1322 \| begin
1322		Size := 8;
1323		end;
1324
1325	+	procedure TIBBCDField.Bind(Binding: Boolean);
1326	+	begin
1327	+	inherited Bind(Binding);
1328	+	if Binding and (FieldDef <> nil) then
1329	+	FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
1330	+	end;
1331	+
1332		class procedure TIBBCDField.CheckTypeSize(Value: Integer);
1333		begin
1334		{ No need to check as the base type is currency, not BCD }
#	Line 714 \| Line 1362 \| end;
1362
1363		function TIBBCDField.GetDataSize: Integer;
1364		begin
1365	+	{$IFDEF TBCDFIELD_IS_BCD}
1366		Result := 8;
1367	+	{$ELSE}
1368	+	Result := inherited GetDataSize
1369	+	{$ENDIF}
1370		end;
1371
1372		{ TIBDataLink }
#	Line 728 \| Line 1380 \| end;
1380		destructor TIBDataLink.Destroy;
1381		begin
1382		FDataSet.FDataLink := nil;
1383	<	inherited;
1383	>	inherited Destroy;
1384		end;
1385
1386
#	Line 760 \| Line 1412 \| end;
1412
1413		constructor TIBCustomDataSet.Create(AOwner: TComponent);
1414		begin
1415	<	inherited;
764	<	FIBLoaded := False;
765	<	CheckIBLoaded;
766	<	FIBLoaded := True;
1415	>	inherited Create(AOwner);
1416		FBase := TIBBase.Create(Self);
1417	+	FDatabaseInfo := TIBDatabaseInfo.Create(self);
1418	+	FIBLinks := TList.Create;
1419		FCurrentRecord := -1;
1420		FDeletedRecords := 0;
1421		FUniDirectional := False;
1422		FBufferChunks := BufferCacheSize;
1423		FBlobStreamList := TList.Create;
1424	+	FArrayList := TList.Create;
1425	+	FGeneratorField := TIBGenerator.Create(self);
1426		FDataLink := TIBDataLink.Create(Self);
1427		FQDelete := TIBSQL.Create(Self);
1428		FQDelete.OnSQLChanging := SQLChanging;
#	Line 782 \| Line 1435 \| begin
1435		FQRefresh.GoToFirstRecordOnExecute := False;
1436		FQSelect := TIBSQL.Create(Self);
1437		FQSelect.OnSQLChanging := SQLChanging;
1438	+	FQSelect.OnSQLChanged := SQLChanged;
1439		FQSelect.GoToFirstRecordOnExecute := False;
1440		FQModify := TIBSQL.Create(Self);
1441		FQModify.OnSQLChanging := SQLChanging;
1442		FQModify.GoToFirstRecordOnExecute := False;
1443		FUpdateRecordTypes := [cusUnmodified, cusModified, cusInserted];
1444		FParamCheck := True;
1445	+	FGenerateParamNames := False;
1446		FForcedRefresh := False;
1447	+	FAutoCommit:= acDisabled;
1448	+	FDataSetCloseAction := dcDiscardChanges;
1449		{Bookmark Size is Integer for IBX}
1450		BookmarkSize := SizeOf(Integer);
1451		FBase.BeforeDatabaseDisconnect := DoBeforeDatabaseDisconnect;
#	Line 802 \| Line 1459 \| begin
1459		else
1460		if AOwner is TIBTransaction then
1461		Transaction := TIBTransaction(AOwner);
1462	+	FBaseSQLSelect := TStringList.Create;
1463		end;
1464
1465		destructor TIBCustomDataSet.Destroy;
1466		begin
1467	<	inherited;
1468	<	if FIBLoaded then
1469	<	begin
1470	<	FDataLink.Free;
1471	<	FBase.Free;
1472	<	ClearBlobCache;
1473	<	FBlobStreamList.Free;
1474	<	FreeMem(FBufferCache);
1475	<	FBufferCache := nil;
1476	<	FreeMem(FOldBufferCache);
1477	<	FOldBufferCache := nil;
1478	<	FCacheSize := 0;
1479	<	FOldCacheSize := 0;
1480	<	FMappedFieldPosition := nil;
1481	<	end;
1467	>	if Active then Active := false;
1468	>	if assigned(FGeneratorField) then FGeneratorField.Free;
1469	>	FDataLink.Free;
1470	>	FBase.Free;
1471	>	ClearBlobCache;
1472	>	ClearIBLinks;
1473	>	FIBLinks.Free;
1474	>	FBlobStreamList.Free;
1475	>	FArrayList.Free;
1476	>	FreeMem(FBufferCache);
1477	>	FBufferCache := nil;
1478	>	FreeMem(FOldBufferCache);
1479	>	FOldBufferCache := nil;
1480	>	FCacheSize := 0;
1481	>	FOldCacheSize := 0;
1482	>	FMappedFieldPosition := nil;
1483	>	if assigned(FBaseSQLSelect) then FBaseSQLSelect.Free;
1484	>	if assigned(FParser) then FParser.Free;
1485	>	inherited Destroy;
1486		end;
1487
1488		function TIBCustomDataSet.AdjustCurrentRecord(Buffer: Pointer; GetMode: TGetMode):
#	Line 842 \| Line 1504 \| begin
1504		Inc(FCurrentRecord);
1505		if (FCurrentRecord = FRecordCount) then
1506		begin
1507	<	if (not FQSelect.EOF) and (FQSelect.Next <> nil) then
1507	>	if (not FQSelect.EOF) and FQSelect.Next then
1508		begin
1509		FetchCurrentRecordToBuffer(FQSelect, FCurrentRecord, Buffer);
1510		Inc(FRecordCount);
#	Line 861 \| Line 1523 \| end;
1523
1524		procedure TIBCustomDataSet.ApplyUpdates;
1525		var
1526	<	CurBookmark: string;
1526	>	CurBookmark: TBookmark;
1527		Buffer: PRecordData;
1528		CurUpdateTypes: TIBUpdateRecordTypes;
1529		UpdateAction: TIBUpdateAction;
#	Line 921 \| Line 1583 \| var
1583		procedure UpdateUsingUpdateObject;
1584		begin
1585		try
1586	<	FUpdateObject.Apply(UpdateKind);
1586	>	FUpdateObject.Apply(UpdateKind,PChar(Buffer));
1587		ResetBufferUpdateStatus;
1588		except
1589		on E: Exception do
#	Line 1059 \| Line 1721 \| begin
1721		end;
1722		end;
1723
1724	+	function TIBCustomDataSet.GetFieldPosition(AliasName: string): integer;
1725	+	var i: integer;
1726	+	Prepared: boolean;
1727	+	begin
1728	+	Result := 0;
1729	+	Prepared := FInternalPrepared;
1730	+	if not Prepared then
1731	+	InternalPrepare;
1732	+	try
1733	+	for i := 0 to Length(FAliasNameList) - 1 do
1734	+	if FAliasNameList[i] = AliasName then
1735	+	begin
1736	+	Result := i + 1;
1737	+	Exit
1738	+	end;
1739	+	finally
1740	+	if not Prepared then
1741	+	InternalUnPrepare;
1742	+	end;
1743	+	end;
1744	+
1745		procedure TIBCustomDataSet.ActivateConnection;
1746		begin
1747		if not Assigned(Database) then
#	Line 1071 \| Line 1754 \| end;
1754		function TIBCustomDataSet.ActivateTransaction: Boolean;
1755		begin
1756		Result := False;
1757	<	if not Assigned(Transaction) then
1075	<	IBError(ibxeTransactionNotAssigned, [nil]);
1076	<	if not Transaction.Active then
1757	>	if AllowAutoActivateTransaction or (csDesigning in ComponentState) then
1758		begin
1759	<	Result := True;
1760	<	Transaction.StartTransaction;
1761	<	FDidActivate := True;
1759	>	if not Assigned(Transaction) then
1760	>	IBError(ibxeTransactionNotAssigned, [nil]);
1761	>	if not Transaction.Active then
1762	>	begin
1763	>	Result := True;
1764	>	Transaction.StartTransaction;
1765	>	FDidActivate := True;
1766	>	end;
1767		end;
1768		end;
1769
#	Line 1119 \| Line 1805 \| begin
1805		IBError(ibxeDatasetClosed, [nil]);
1806		end;
1807
1808	+	function TIBCustomDataSet.CreateParser: TSelectSQLParser;
1809	+	begin
1810	+	Result := TSelectSQLParser.Create(self,FBaseSQLSelect);
1811	+	Result.OnSQLChanging := SQLChanging
1812	+	end;
1813	+
1814		procedure TIBCustomDataSet.CheckNotUniDirectional;
1815		begin
1816		if UniDirectional then
#	Line 1196 \| Line 1888 \| begin
1888		FBlobStreamList.Pack;
1889		end;
1890
1891	+	procedure TIBCustomDataSet.ClearArrayCache;
1892	+	var
1893	+	i: Integer;
1894	+	begin
1895	+	for i := 0 to FArrayList.Count - 1 do
1896	+	begin
1897	+	TIBArray(FArrayList[i]).Free;
1898	+	FArrayList[i] := nil;
1899	+	end;
1900	+	FArrayList.Pack;
1901	+	end;
1902	+
1903		procedure TIBCustomDataSet.CopyRecordBuffer(Source, Dest: Pointer);
1904		begin
1905		Move(Source^, Dest^, FRecordBufferSize);
#	Line 1205 \| Line 1909 \| procedure TIBCustomDataSet.DoBeforeDatab
1909		begin
1910		if Active then
1911		Active := False;
1912	<	FInternalPrepared := False;
1912	>	InternalUnPrepare;
1913		if Assigned(FBeforeDatabaseDisconnect) then
1914		FBeforeDatabaseDisconnect(Sender);
1915		end;
#	Line 1222 \| Line 1926 \| begin
1926		FDatabaseFree(Sender);
1927		end;
1928
1929	<	procedure TIBCustomDataSet.DoBeforeTransactionEnd(Sender: TObject);
1929	>	procedure TIBCustomDataSet.DoBeforeTransactionEnd(Sender: TObject;
1930	>	Action: TTransactionAction);
1931		begin
1932	<	if Active then
1933	<	Active := False;
1932	>	FCloseAction := Action;
1933	>	FInTransactionEnd := true;
1934	>	try
1935	>	if Active then
1936	>	Active := False;
1937	>	finally
1938	>	FInTransactionEnd := false;
1939	>	end;
1940		if FQSelect <> nil then
1941		FQSelect.FreeHandle;
1942		if FQDelete <> nil then
#	Line 1236 \| Line 1947 \| begin
1947		FQModify.FreeHandle;
1948		if FQRefresh <> nil then
1949		FQRefresh.FreeHandle;
1950	+	InternalUnPrepare;
1951		if Assigned(FBeforeTransactionEnd) then
1952		FBeforeTransactionEnd(Sender);
1953		end;
#	Line 1252 \| Line 1964 \| begin
1964		FTransactionFree(Sender);
1965		end;
1966
1967	<	{ Read the record from FQSelect.Current into the record buffer
1968	<	Then write the buffer to in memory cache }
1969	<	procedure TIBCustomDataSet.FetchCurrentRecordToBuffer(Qry: TIBSQL;
1970	<	RecordNumber: Integer; Buffer: PChar);
1971	<	var
1260	<	p: PRecordData;
1261	<	pbd: PBlobDataArray;
1262	<	i, j: Integer;
1263	<	LocalData: Pointer;
1264	<	LocalDate, LocalDouble: Double;
1265	<	LocalInt: Integer;
1266	<	LocalInt64: Int64;
1267	<	LocalCurrency: Currency;
1268	<	FieldsLoaded: Integer;
1967	>	procedure TIBCustomDataSet.InitModelBuffer(Qry: TIBSQL; Buffer: PChar);
1968	>	var i, j: Integer;
1969	>	FieldsLoaded: integer;
1970	>	p: PRecordData;
1971	>	colMetadata: IColumnMetaData;
1972		begin
1973		p := PRecordData(Buffer);
1271	–	{ Make sure blob cache is empty }
1272	–	pbd := PBlobDataArray(Buffer + FBlobCacheOffset);
1273	–	if RecordNumber > -1 then
1274	–	for i := 0 to BlobFieldCount - 1 do
1275	–	pbd^[i] := nil;
1974		{ Get record information }
1975		p^.rdBookmarkFlag := bfCurrent;
1976	<	p^.rdFieldCount := Qry.Current.Count;
1977	<	p^.rdRecordNumber := RecordNumber;
1976	>	p^.rdFieldCount := Qry.FieldCount;
1977	>	p^.rdRecordNumber := -1;
1978		p^.rdUpdateStatus := usUnmodified;
1979		p^.rdCachedUpdateStatus := cusUnmodified;
1980		p^.rdSavedOffset := $FFFFFFFF;
1981
1982		{ Load up the fields }
1983	<	FieldsLoaded := FQSelect.Current.Count;
1983	>	FieldsLoaded := FQSelect.MetaData.Count;
1984		j := 1;
1985	<	for i := 0 to Qry.Current.Count - 1 do
1985	>	for i := 0 to Qry.MetaData.Count - 1 do
1986		begin
1987		if (Qry = FQSelect) then
1988		j := i + 1
1989	<	else begin
1989	>	else
1990	>	begin
1991		if FieldsLoaded = 0 then
1992		break;
1993	<	j := FQSelect.FieldIndex[Qry.Current[i].Name] + 1;
1993	>	j := FQSelect.FieldIndex[Qry[i].Name] + 1;
1994		if j < 1 then
1995		continue
1996		else
1997		Dec(FieldsLoaded);
1998		end;
1999	<	with FQSelect.Current[j - 1].Data^ do
2000	<	if aliasname = 'IBX_INTERNAL_DBKEY' then {do not localize}
1999	>	if j > 0 then
2000	>	begin
2001	>	colMetadata := Qry.MetaData[i];
2002	>	with p^.rdFields[j], FFieldColumns^[j] do
2003		begin
2004	<	if sqllen <= 8 then
2005	<	p^.rdDBKey := PIBDBKEY(Qry.Current[i].AsPointer)^;
2006	<	continue;
2004	>	fdDataType := colMetadata.GetSQLType;
2005	>	if fdDataType = SQL_BLOB then
2006	>	fdDataScale := 0
2007	>	else
2008	>	fdDataScale := colMetadata.getScale;
2009	>	fdNullable := colMetadata.getIsNullable;
2010	>	fdIsNull := true;
2011	>	fdDataSize := colMetadata.GetSize;
2012	>	fdDataLength := 0;
2013	>	fdCodePage := CP_NONE;
2014	>
2015	>	case fdDataType of
2016	>	SQL_TIMESTAMP,
2017	>	SQL_TYPE_DATE,
2018	>	SQL_TYPE_TIME:
2019	>	fdDataSize := SizeOf(TDateTime);
2020	>	SQL_SHORT, SQL_LONG:
2021	>	begin
2022	>	if (fdDataScale = 0) then
2023	>	fdDataSize := SizeOf(Integer)
2024	>	else
2025	>	if (fdDataScale >= (-4)) then
2026	>	fdDataSize := SizeOf(Currency)
2027	>	else
2028	>	fdDataSize := SizeOf(Double);
2029	>	end;
2030	>	SQL_INT64:
2031	>	begin
2032	>	if (fdDataScale = 0) then
2033	>	fdDataSize := SizeOf(Int64)
2034	>	else
2035	>	if (fdDataScale >= (-4)) then
2036	>	fdDataSize := SizeOf(Currency)
2037	>	else
2038	>	fdDataSize := SizeOf(Double);
2039	>	end;
2040	>	SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
2041	>	fdDataSize := SizeOf(Double);
2042	>	SQL_BOOLEAN:
2043	>	fdDataSize := SizeOf(wordBool);
2044	>	SQL_VARYING,
2045	>	SQL_TEXT,
2046	>	SQL_BLOB:
2047	>	fdCodePage := Qry.Metadata[i].getCodePage;
2048	>	end;
2049	>	fdDataOfs := FRecordSize;
2050	>	Inc(FRecordSize, fdDataSize);
2051		end;
2052	<	if j > 0 then with p^ do
2052	>	end;
2053	>	end;
2054	>	end;
2055	>
2056	>	{Update Buffer Fields from Query Results}
2057	>
2058	>	procedure TIBCustomDataSet.UpdateRecordFromQuery(QryResults: IResults;
2059	>	Buffer: PChar);
2060	>	var i, j: integer;
2061	>	begin
2062	>	for i := 0 to QryResults.Count - 1 do
2063	>	begin
2064	>	j := GetFieldPosition(QryResults[i].GetAliasName);
2065	>	if j > 0 then
2066	>	ColumnDataToBuffer(QryResults,i,j,Buffer);
2067	>	end;
2068	>	end;
2069	>
2070	>
2071	>	{Move column data returned from query to row buffer}
2072	>
2073	>	procedure TIBCustomDataSet.ColumnDataToBuffer(QryResults: IResults;
2074	>	ColumnIndex, FieldIndex: integer; Buffer: PChar);
2075	>	var
2076	>	LocalData: PByte;
2077	>	LocalDate, LocalDouble: Double;
2078	>	LocalInt: Integer;
2079	>	LocalBool: wordBool;
2080	>	LocalInt64: Int64;
2081	>	LocalCurrency: Currency;
2082	>	p: PRecordData;
2083	>	ColData: ISQLData;
2084	>	begin
2085	>	p := PRecordData(Buffer);
2086	>	LocalData := nil;
2087	>	with p^.rdFields[FieldIndex], FFieldColumns^[FieldIndex] do
2088	>	begin
2089	>	QryResults.GetData(ColumnIndex,fdIsNull,fdDataLength,LocalData);
2090	>	if not fdIsNull then
2091		begin
2092	<	rdFields[j].fdDataType :=
2093	<	Qry.Current[i].Data^.sqltype and (not 1);
1311	<	rdFields[j].fdDataScale :=
1312	<	Qry.Current[i].Data^.sqlscale;
1313	<	rdFields[j].fdNullable :=
1314	<	(Qry.Current[i].Data^.sqltype and 1 = 1);
1315	<	rdFields[j].fdIsNull :=
1316	<	(rdFields[j].fdNullable and (Qry.Current[i].Data^.sqlind^ = -1));
1317	<	LocalData := Qry.Current[i].Data^.sqldata;
1318	<	case rdFields[j].fdDataType of
2092	>	ColData := QryResults[ColumnIndex];
2093	>	case fdDataType of {Get Formatted data for column types that need formatting}
2094		SQL_TIMESTAMP:
2095		begin
2096	<	rdFields[j].fdDataSize := SizeOf(TDateTime);
2097	<	if RecordNumber >= 0 then
1323	<	LocalDate := TimeStampToMSecs(DateTimeToTimeStamp(Qry.Current[i].AsDateTime));
1324	<	LocalData := PChar(@LocalDate);
2096	>	LocalDate := TimeStampToMSecs(DateTimeToTimeStamp(ColData.AsDateTime));
2097	>	LocalData := PByte(@LocalDate);
2098		end;
2099		SQL_TYPE_DATE:
2100		begin
2101	<	rdFields[j].fdDataSize := SizeOf(TDateTime);
2102	<	if RecordNumber >= 0 then
1330	<	LocalInt := DateTimeToTimeStamp(Qry.Current[i].AsDateTime).Date;
1331	<	LocalData := PChar(@LocalInt);
2101	>	LocalInt := DateTimeToTimeStamp(ColData.AsDateTime).Date;
2102	>	LocalData := PByte(@LocalInt);
2103		end;
2104		SQL_TYPE_TIME:
2105		begin
2106	<	rdFields[j].fdDataSize := SizeOf(TDateTime);
2107	<	if RecordNumber >= 0 then
1337	<	LocalInt := DateTimeToTimeStamp(Qry.Current[i].AsDateTime).Time;
1338	<	LocalData := PChar(@LocalInt);
2106	>	LocalInt := DateTimeToTimeStamp(ColData.AsDateTime).Time;
2107	>	LocalData := PByte(@LocalInt);
2108		end;
2109		SQL_SHORT, SQL_LONG:
2110		begin
2111	<	if (rdFields[j].fdDataScale = 0) then
2111	>	if (fdDataScale = 0) then
2112		begin
2113	<	rdFields[j].fdDataSize := SizeOf(Integer);
2114	<	if RecordNumber >= 0 then
1346	<	LocalInt := Qry.Current[i].AsLong;
1347	<	LocalData := PChar(@LocalInt);
2113	>	LocalInt := ColData.AsLong;
2114	>	LocalData := PByte(@LocalInt);
2115		end
2116	<	else if (rdFields[j].fdDataScale >= (-4)) then
2117	<	begin
2118	<	rdFields[j].fdDataSize := SizeOf(Currency);
2119	<	if RecordNumber >= 0 then
2120	<	LocalCurrency := Qry.Current[i].AsCurrency;
2121	<	LocalData := PChar(@LocalCurrency);
2122	<	end
2123	<	else begin
2124	<	rdFields[j].fdDataSize := SizeOf(Double);
2125	<	if RecordNumber >= 0 then
2126	<	LocalDouble := Qry.Current[i].AsDouble;
1360	<	LocalData := PChar(@LocalDouble);
1361	<	end;
2116	>	else
2117	>	if (fdDataScale >= (-4)) then
2118	>	begin
2119	>	LocalCurrency := ColData.AsCurrency;
2120	>	LocalData := PByte(@LocalCurrency);
2121	>	end
2122	>	else
2123	>	begin
2124	>	LocalDouble := ColData.AsDouble;
2125	>	LocalData := PByte(@LocalDouble);
2126	>	end;
2127		end;
2128		SQL_INT64:
2129		begin
2130	<	if (rdFields[j].fdDataScale = 0) then
2130	>	if (fdDataScale = 0) then
2131		begin
2132	<	rdFields[j].fdDataSize := SizeOf(Int64);
2133	<	if RecordNumber >= 0 then
1369	<	LocalInt64 := Qry.Current[i].AsInt64;
1370	<	LocalData := PChar(@LocalInt64);
2132	>	LocalInt64 := ColData.AsInt64;
2133	>	LocalData := PByte(@LocalInt64);
2134		end
2135	<	else if (rdFields[j].fdDataScale >= (-4)) then
2136	<	begin
2137	<	rdFields[j].fdDataSize := SizeOf(Currency);
2138	<	if RecordNumber >= 0 then
2139	<	LocalCurrency := Qry.Current[i].AsCurrency;
2140	<	LocalData := PChar(@LocalCurrency);
2141	<	end
2142	<	else begin
2143	<	rdFields[j].fdDataSize := SizeOf(Double);
2144	<	if RecordNumber >= 0 then
2145	<	LocalDouble := Qry.Current[i].AsDouble;
1383	<	LocalData := PChar(@LocalDouble);
1384	<	end
2135	>	else
2136	>	if (fdDataScale >= (-4)) then
2137	>	begin
2138	>	LocalCurrency := ColData.AsCurrency;
2139	>	LocalData := PByte(@LocalCurrency);
2140	>	end
2141	>	else
2142	>	begin
2143	>	LocalDouble := ColData.AsDouble;
2144	>	LocalData := PByte(@LocalDouble);
2145	>	end
2146		end;
2147		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
2148		begin
2149	<	rdFields[j].fdDataSize := SizeOf(Double);
2150	<	if RecordNumber >= 0 then
1390	<	LocalDouble := Qry.Current[i].AsDouble;
1391	<	LocalData := PChar(@LocalDouble);
1392	<	end;
1393	<	SQL_VARYING:
1394	<	begin
1395	<	rdFields[j].fdDataSize := Qry.Current[i].Data^.sqllen;
1396	<	rdFields[j].fdDataLength := isc_vax_integer(Qry.Current[i].Data^.sqldata, 2);
1397	<	if RecordNumber >= 0 then
1398	<	begin
1399	<	if (rdFields[j].fdDataLength = 0) then
1400	<	LocalData := nil
1401	<	else
1402	<	LocalData := @Qry.Current[i].Data^.sqldata[2];
1403	<	end;
2149	>	LocalDouble := ColData.AsDouble;
2150	>	LocalData := PByte(@LocalDouble);
2151		end;
2152	<	else { SQL_TEXT, SQL_BLOB, SQL_ARRAY, SQL_QUAD }
2152	>	SQL_BOOLEAN:
2153		begin
2154	<	rdFields[j].fdDataSize := Qry.Current[i].Data^.sqllen;
2155	<	if (rdFields[j].fdDataType = SQL_TEXT) then
1409	<	rdFields[j].fdDataLength := rdFields[j].fdDataSize;
2154	>	LocalBool := ColData.AsBoolean;
2155	>	LocalData := PByte(@LocalBool);
2156		end;
2157		end;
2158	<	if RecordNumber < 0 then
2158	>
2159	>	if fdDataType = SQL_VARYING then
2160	>	Move(LocalData^, Buffer[fdDataOfs], fdDataLength)
2161	>	else
2162	>	Move(LocalData^, Buffer[fdDataOfs], fdDataSize)
2163	>	end
2164	>	else {Null column}
2165	>	if fdDataType = SQL_VARYING then
2166	>	FillChar(Buffer[fdDataOfs],fdDataLength,0)
2167	>	else
2168	>	FillChar(Buffer[fdDataOfs],fdDataSize,0);
2169	>	end;
2170	>	end;
2171	>
2172	>	{ Read the record from FQSelect.Current into the record buffer
2173	>	Then write the buffer to in memory cache }
2174	>	procedure TIBCustomDataSet.FetchCurrentRecordToBuffer(Qry: TIBSQL;
2175	>	RecordNumber: Integer; Buffer: PChar);
2176	>	var
2177	>	pbd: PBlobDataArray;
2178	>	pda: PArrayDataArray;
2179	>	i, j: Integer;
2180	>	FieldsLoaded: Integer;
2181	>	p: PRecordData;
2182	>	begin
2183	>	if RecordNumber = -1 then
2184	>	begin
2185	>	InitModelBuffer(Qry,Buffer);
2186	>	Exit;
2187	>	end;
2188	>	p := PRecordData(Buffer);
2189	>	{ Make sure blob cache is empty }
2190	>	pbd := PBlobDataArray(Buffer + FBlobCacheOffset);
2191	>	pda := PArrayDataArray(Buffer + FArrayCacheOffset);
2192	>	for i := 0 to BlobFieldCount - 1 do
2193	>	pbd^[i] := nil;
2194	>	for i := 0 to ArrayFieldCount - 1 do
2195	>	pda^[i] := nil;
2196	>
2197	>	{ Get record information }
2198	>	p^.rdBookmarkFlag := bfCurrent;
2199	>	p^.rdFieldCount := Qry.FieldCount;
2200	>	p^.rdRecordNumber := RecordNumber;
2201	>	p^.rdUpdateStatus := usUnmodified;
2202	>	p^.rdCachedUpdateStatus := cusUnmodified;
2203	>	p^.rdSavedOffset := $FFFFFFFF;
2204	>
2205	>	{ Load up the fields }
2206	>	FieldsLoaded := FQSelect.MetaData.Count;
2207	>	j := 1;
2208	>	for i := 0 to Qry.FieldCount - 1 do
2209	>	begin
2210	>	if (Qry = FQSelect) then
2211	>	j := i + 1
2212	>	else
2213	>	begin
2214	>	if FieldsLoaded = 0 then
2215	>	break;
2216	>	j := FQSelect.FieldIndex[Qry[i].Name] + 1;
2217	>	if j < 1 then
2218	>	continue
2219	>	else
2220	>	Dec(FieldsLoaded);
2221	>	end;
2222	>	with FQSelect.MetaData[j - 1] do
2223	>	if GetAliasname = 'IBX_INTERNAL_DBKEY' then {do not localize}
2224		begin
2225	<	rdFields[j].fdIsNull := True;
2226	<	rdFields[j].fdDataOfs := FRecordSize;
2227	<	Inc(FRecordSize, rdFields[j].fdDataSize);
1417	<	end
1418	<	else begin
1419	<	if rdFields[j].fdDataType = SQL_VARYING then
1420	<	begin
1421	<	if LocalData <> nil then
1422	<	Move(LocalData^, Buffer[rdFields[j].fdDataOfs], rdFields[j].fdDataLength)
1423	<	end
1424	<	else
1425	<	Move(LocalData^, Buffer[rdFields[j].fdDataOfs], rdFields[j].fdDataSize)
2225	>	if (GetSize <= 8) then
2226	>	p^.rdDBKey := PIBDBKEY(Qry[i].AsPointer)^;
2227	>	continue;
2228		end;
2229	<	end;
2229	>	if j > 0 then
2230	>	ColumnDataToBuffer(Qry.Current,i,j,Buffer);
2231		end;
2232	<	WriteRecordCache(RecordNumber, PChar(p));
2232	>	WriteRecordCache(RecordNumber, Buffer);
2233		end;
2234
2235		function TIBCustomDataSet.GetActiveBuf: PChar;
#	Line 1471 \| Line 2274 \| begin
2274		result := FBase.Database;
2275		end;
2276
1474	–	function TIBCustomDataSet.GetDBHandle: PISC_DB_HANDLE;
1475	–	begin
1476	–	result := FBase.DBHandle;
1477	–	end;
1478	–
2277		function TIBCustomDataSet.GetDeleteSQL: TStrings;
2278		begin
2279		result := FQDelete.SQL;
#	Line 1486 \| Line 2284 \| begin
2284		result := FQInsert.SQL;
2285		end;
2286
2287	<	function TIBCustomDataSet.GetSQLParams: TIBXSQLDA;
2287	>	function TIBCustomDataSet.GetSQLParams: ISQLParams;
2288		begin
2289		if not FInternalPrepared then
2290		InternalPrepare;
#	Line 1503 \| Line 2301 \| begin
2301		result := FQSelect.SQL;
2302		end;
2303
2304	<	function TIBCustomDataSet.GetStatementType: TIBSQLTypes;
2304	>	function TIBCustomDataSet.GetStatementType: TIBSQLStatementTypes;
2305		begin
2306	<	result := FQSelect.SQLType;
2306	>	result := FQSelect.SQLStatementType;
2307		end;
2308
2309		function TIBCustomDataSet.GetModifySQL: TStrings;
#	Line 1518 \| Line 2316 \| begin
2316		result := FBase.Transaction;
2317		end;
2318
1521	–	function TIBCustomDataSet.GetTRHandle: PISC_TR_HANDLE;
1522	–	begin
1523	–	result := FBase.TRHandle;
1524	–	end;
1525	–
2319		procedure TIBCustomDataSet.InternalDeleteRecord(Qry: TIBSQL; Buff: Pointer);
2320		begin
2321		if (Assigned(FUpdateObject) and (FUpdateObject.GetSQL(ukDelete).Text <> '')) then
2322	<	FUpdateObject.Apply(ukDelete)
2322	>	FUpdateObject.Apply(ukDelete,Buff)
2323		else
2324		begin
2325	<	SetInternalSQLParams(FQDelete, Buff);
2325	>	SetInternalSQLParams(FQDelete.Params, Buff);
2326		FQDelete.ExecQuery;
2327		end;
2328		with PRecordData(Buff)^ do
#	Line 1543 \| Line 2336 \| end;
2336		function TIBCustomDataSet.InternalLocate(const KeyFields: string;
2337		const KeyValues: Variant; Options: TLocateOptions): Boolean;
2338		var
2339	<	fl: TList;
2340	<	CurBookmark: string;
2341	<	fld, val: Variant;
2342	<	i, fld_cnt: Integer;
2339	>	keyFieldList: TList;
2340	>	CurBookmark: TBookmark;
2341	>	fieldValue: Variant;
2342	>	lookupValues: array of variant;
2343	>	i, fieldCount: Integer;
2344	>	fieldValueAsString: string;
2345	>	lookupValueAsString: string;
2346		begin
2347	<	fl := TList.Create;
2347	>	keyFieldList := TList.Create;
2348		try
2349	<	GetFieldList(fl, KeyFields);
2350	<	fld_cnt := fl.Count;
2349	>	GetFieldList(keyFieldList, KeyFields);
2350	>	fieldCount := keyFieldList.Count;
2351		CurBookmark := Bookmark;
2352	<	result := False;
2353	<	while ((not result) and (not EOF)) do
2352	>	result := false;
2353	>	SetLength(lookupValues, fieldCount);
2354	>	if not EOF then
2355		begin
2356	<	i := 0;
1560	<	result := True;
1561	<	while (result and (i < fld_cnt)) do
2356	>	for i := 0 to fieldCount - 1 do {expand key values into lookupValues array}
2357		begin
2358	<	if fld_cnt > 1 then
2359	<	val := KeyValues[i]
2358	>	if VarIsArray(KeyValues) then
2359	>	lookupValues[i] := KeyValues[i]
2360		else
2361	<	val := KeyValues;
2362	<	fld := TField(fl[i]).Value;
2363	<	result := not (VarIsNull(val) xor VarIsNull(fld));
2364	<	if result and not VarIsNull(val) then
2361	>	if i > 0 then
2362	>	lookupValues[i] := NULL
2363	>	else
2364	>	lookupValues[0] := KeyValues;
2365	>
2366	>	{convert to upper case is case insensitive search}
2367	>	if (TField(keyFieldList[i]).DataType = ftString) and
2368	>	not VarIsNull(lookupValues[i]) and (loCaseInsensitive in Options) then
2369	>	lookupValues[i] := UpperCase(lookupValues[i]);
2370	>	end;
2371	>	end;
2372	>	while not result and not EOF do {search for a matching record}
2373	>	begin
2374	>	i := 0;
2375	>	result := true;
2376	>	while result and (i < fieldCount) do
2377	>	{see if all of the key fields matches}
2378	>	begin
2379	>	fieldValue := TField(keyFieldList[i]).Value;
2380	>	result := not (VarIsNull(fieldValue) xor VarIsNull(lookupValues[i]));
2381	>	if result and not VarIsNull(fieldValue) then
2382		begin
2383		try
2384	<	fld := VarAsType(fld, VarType(val));
1573	<	except
1574	<	on E: EVariantError do result := False;
1575	<	end;
1576	<	if Result then
1577	<	if TField(fl[i]).DataType = ftString then
2384	>	if TField(keyFieldList[i]).DataType = ftString then
2385		begin
2386	+	{strings need special handling because of the locate options that
2387	+	apply to them}
2388	+	fieldValueAsString := TField(keyFieldList[i]).AsString;
2389	+	lookupValueAsString := lookupValues[i];
2390		if (loCaseInsensitive in Options) then
2391	<	begin
2392	<	fld := AnsiUpperCase(fld);
1582	<	val := AnsiUpperCase(val);
1583	<	end;
1584	<	fld := TrimRight(fld);
1585	<	val := TrimRight(val);
2391	>	fieldValueAsString := UpperCase(fieldValueAsString);
2392	>
2393		if (loPartialKey in Options) then
2394	<	result := result and (AnsiPos(val, fld) = 1)
2394	>	result := result and (Pos(lookupValueAsString, fieldValueAsString) = 1)
2395		else
2396	<	result := result and (val = fld);
2397	<	end else
2398	<	result := result and (val = fld);
2396	>	result := result and (fieldValueAsString = lookupValueAsString);
2397	>	end
2398	>	else
2399	>	result := result and (lookupValues[i] =
2400	>	VarAsType(fieldValue, VarType(lookupValues[i])));
2401	>	except on EVariantError do
2402	>	result := False;
2403	>	end;
2404		end;
2405		Inc(i);
2406		end;
2407		if not result then
2408	<	Next;
2408	>	Next;
2409		end;
2410		if not result then
2411		Bookmark := CurBookmark
2412		else
2413		CursorPosChanged;
2414		finally
2415	<	fl.Free;
2415	>	keyFieldList.Free;
2416	>	SetLength(lookupValues,0)
2417		end;
2418		end;
2419
2420		procedure TIBCustomDataSet.InternalPostRecord(Qry: TIBSQL; Buff: Pointer);
2421		var
2422	<	i, j, k: Integer;
2422	>	i, j, k, arr: Integer;
2423		pbd: PBlobDataArray;
2424	+	pda: PArrayDataArray;
2425		begin
2426		pbd := PBlobDataArray(PChar(Buff) + FBlobCacheOffset);
2427	<	j := 0;
2427	>	pda := PArrayDataArray(PChar(Buff) + FArrayCacheOffset);
2428	>	j := 0; arr := 0;
2429		for i := 0 to FieldCount - 1 do
2430		if Fields[i].IsBlob then
2431		begin
#	Line 1619 \| Line 2434 \| begin
2434		begin
2435		pbd^[j].Finalize;
2436		PISC_QUAD(
2437	<	PChar(Buff) + PRecordData(Buff)^.rdFields[k].fdDataOfs)^ :=
2437	>	PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ :=
2438		pbd^[j].BlobID;
2439		PRecordData(Buff)^.rdFields[k].fdIsNull := pbd^[j].Size = 0;
2440	+	end
2441	+	else
2442	+	begin
2443	+	PRecordData(Buff)^.rdFields[k].fdIsNull := true;
2444	+	with PISC_QUAD(PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ do
2445	+	begin
2446	+	gds_quad_high := 0;
2447	+	gds_quad_low := 0;
2448	+	end;
2449		end;
2450		Inc(j);
2451	+	end
2452	+	else
2453	+	if Fields[i] is TIBArrayField then
2454	+	begin
2455	+	if pda^[arr] <> nil then
2456	+	begin
2457	+	k := FMappedFieldPosition[Fields[i].FieldNo -1];
2458	+	PISC_QUAD(
2459	+	PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ := pda^[arr].ArrayIntf.GetArrayID;
2460	+	PRecordData(Buff)^.rdFields[k].fdIsNull := pda^[arr].ArrayIntf.IsEmpty;
2461	+	end;
2462	+	Inc(arr);
2463		end;
2464		if Assigned(FUpdateObject) then
2465		begin
2466		if (Qry = FQDelete) then
2467	<	FUpdateObject.Apply(ukDelete)
2467	>	FUpdateObject.Apply(ukDelete,Buff)
2468		else if (Qry = FQInsert) then
2469	<	FUpdateObject.Apply(ukInsert)
2469	>	FUpdateObject.Apply(ukInsert,Buff)
2470		else
2471	<	FUpdateObject.Apply(ukModify);
2471	>	FUpdateObject.Apply(ukModify,Buff);
2472		end
2473		else begin
2474	<	SetInternalSQLParams(Qry, Buff);
2474	>	SetInternalSQLParams(Qry.Params, Buff);
2475		Qry.ExecQuery;
2476		end;
2477	+	if Qry.FieldCount > 0 then {Has RETURNING Clause}
2478	+	UpdateRecordFromQuery(Qry.Current,Buff);
2479		PRecordData(Buff)^.rdUpdateStatus := usUnmodified;
2480		PRecordData(Buff)^.rdCachedUpdateStatus := cusUnmodified;
2481		SetModified(False);
#	Line 1649 \| Line 2487 \| end;
2487		procedure TIBCustomDataSet.InternalRefreshRow;
2488		var
2489		Buff: PChar;
1652	–	SetCursor: Boolean;
2490		ofs: DWORD;
2491		Qry: TIBSQL;
2492		begin
2493	<	SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
1657	<	if SetCursor then
1658	<	Screen.Cursor := crHourGlass;
2493	>	FBase.SetCursor;
2494		try
2495		Buff := GetActiveBuf;
2496		if CanRefresh then
#	Line 1672 \| Line 2507 \| begin
2507		end
2508		else
2509		Qry := FQRefresh;
2510	<	SetInternalSQLParams(Qry, Buff);
2510	>	SetInternalSQLParams(Qry.Params, Buff);
2511		Qry.ExecQuery;
2512		try
2513	<	if (Qry.SQLType = SQLExecProcedure) or
1679	<	(Qry.Next <> nil) then
2513	>	if (Qry.SQLStatementType = SQLExecProcedure) or Qry.Next then
2514		begin
2515		ofs := PRecordData(Buff)^.rdSavedOffset;
2516		FetchCurrentRecordToBuffer(Qry,
#	Line 1699 \| Line 2533 \| begin
2533		else
2534		IBError(ibxeCannotRefresh, [nil]);
2535		finally
2536	<	if SetCursor and (Screen.Cursor = crHourGlass) then
1703	<	Screen.Cursor := crDefault;
2536	>	FBase.RestoreCursor;
2537		end;
2538		end;
2539
#	Line 1770 \| Line 2603 \| begin
2603		end;
2604
2605		procedure TIBCustomDataSet.InternalPrepare;
1773	–	var
1774	–	SetCursor: Boolean;
1775	–	DidActivate: Boolean;
2606		begin
2607		if FInternalPrepared then
2608		Exit;
2609	<	DidActivate := False;
1780	<	SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
1781	<	if SetCursor then
1782	<	Screen.Cursor := crHourGlass;
2609	>	FBase.SetCursor;
2610		try
2611		ActivateConnection;
2612	<	DidActivate := ActivateTransaction;
2612	>	ActivateTransaction;
2613		FBase.CheckDatabase;
2614		FBase.CheckTransaction;
2615	+	if HasParser and (FParser.SQLText <> FQSelect.SQL.Text) then
2616	+	begin
2617	+	FQSelect.OnSQLChanged := nil; {Do not react to change}
2618	+	try
2619	+	FQSelect.SQL.Text := FParser.SQLText;
2620	+	finally
2621	+	FQSelect.OnSQLChanged := SQLChanged;
2622	+	end;
2623	+	end;
2624	+	// writeln( FQSelect.SQL.Text);
2625		if FQSelect.SQL.Text <> '' then
2626		begin
2627		if not FQSelect.Prepared then
2628		begin
2629	+	FQSelect.GenerateParamNames := FGenerateParamNames;
2630		FQSelect.ParamCheck := ParamCheck;
2631		FQSelect.Prepare;
2632		end;
2633	<	if (FQDelete.SQL.Text <> '') and (not FQDelete.Prepared) then
2633	>	FQDelete.GenerateParamNames := FGenerateParamNames;
2634	>	if (Trim(FQDelete.SQL.Text) <> '') and (not FQDelete.Prepared) then
2635		FQDelete.Prepare;
2636	<	if (FQInsert.SQL.Text <> '') and (not FQInsert.Prepared) then
2636	>	FQInsert.GenerateParamNames := FGenerateParamNames;
2637	>	if (Trim(FQInsert.SQL.Text) <> '') and (not FQInsert.Prepared) then
2638		FQInsert.Prepare;
2639	<	if (FQRefresh.SQL.Text <> '') and (not FQRefresh.Prepared) then
2639	>	FQRefresh.GenerateParamNames := FGenerateParamNames;
2640	>	if (Trim(FQRefresh.SQL.Text) <> '') and (not FQRefresh.Prepared) then
2641		FQRefresh.Prepare;
2642	<	if (FQModify.SQL.Text <> '') and (not FQModify.Prepared) then
2642	>	FQModify.GenerateParamNames := FGenerateParamNames;
2643	>	if (Trim(FQModify.SQL.Text) <> '') and (not FQModify.Prepared) then
2644		FQModify.Prepare;
2645		FInternalPrepared := True;
2646		InternalInitFieldDefs;
2647		end else
2648		IBError(ibxeEmptyQuery, [nil]);
2649		finally
2650	<	if DidActivate then
1809	<	DeactivateTransaction;
1810	<	if SetCursor and (Screen.Cursor = crHourGlass) then
1811	<	Screen.Cursor := crDefault;
2650	>	FBase.RestoreCursor;
2651		end;
2652		end;
2653
#	Line 1837 \| Line 2676 \| var
2676		begin
2677		CopyRecordBuffer(Buffer, OldBuffer);
2678		if BlobFieldCount > 0 then
2679	<	FillChar(PChar(OldBuffer)[FBlobCacheOffset], BlobFieldCount * SizeOf(TIBBlobStream),
2679	>	FillChar(PChar(OldBuffer)[FBlobCacheOffset],
2680	>	BlobFieldCount * SizeOf(TIBBlobStream) + ArrayFieldCount * SizeOf(IArray),
2681		0);
2682		end;
2683
#	Line 1879 \| Line 2719 \| begin
2719		if (FBase.Database <> Value) then
2720		begin
2721		CheckDatasetClosed;
2722	+	InternalUnPrepare;
2723		FBase.Database := Value;
2724		FQDelete.Database := Value;
2725		FQInsert.Database := Value;
2726		FQRefresh.Database := Value;
2727		FQSelect.Database := Value;
2728		FQModify.Database := Value;
2729	+	FDatabaseInfo.Database := Value;
2730	+	FGeneratorField.Database := Value;
2731		end;
2732		end;
2733
#	Line 1906 \| Line 2749 \| begin
2749		end;
2750		end;
2751
2752	<	procedure TIBCustomDataSet.SetInternalSQLParams(Qry: TIBSQL; Buffer: Pointer);
2752	>	procedure TIBCustomDataSet.SetInternalSQLParams(Params: ISQLParams; Buffer: Pointer);
2753		var
2754		i, j: Integer;
2755		cr, data: PChar;
2756	<	fn, st: string;
2756	>	fn: string;
2757	>	st: RawByteString;
2758		OldBuffer: Pointer;
2759		ts: TTimeStamp;
2760	+	Param: ISQLParam;
2761		begin
2762		if (Buffer = nil) then
2763		IBError(ibxeBufferNotSet, [nil]);
#	Line 1920 \| Line 2765 \| begin
2765		InternalPrepare;
2766		OldBuffer := nil;
2767		try
2768	<	for i := 0 to Qry.Params.Count - 1 do
2768	>	for i := 0 to Params.GetCount - 1 do
2769		begin
2770	<	fn := Qry.Params[i].Name;
2770	>	Param := Params[i];
2771	>	fn := Param.Name;
2772		if (Pos('OLD_', fn) = 1) then {mbcs ok}
2773		begin
2774		fn := Copy(fn, 5, Length(fn));
#	Line 1942 \| Line 2788 \| begin
2788		cr := Buffer;
2789		j := FQSelect.FieldIndex[fn] + 1;
2790		if (j > 0) then
2791	<	with PRecordData(cr)^ do
2791	>	with PRecordData(cr)^,rdFields[j], FFieldColumns^[j] do
2792		begin
2793	<	if Qry.Params[i].name = 'IBX_INTERNAL_DBKEY' then {do not localize}
2793	>	if Param.name = 'IBX_INTERNAL_DBKEY' then {do not localize}
2794		begin
2795	<	PIBDBKey(Qry.Params[i].AsPointer)^ := rdDBKey;
2795	>	PIBDBKey(Param.AsPointer)^ := rdDBKey;
2796		continue;
2797		end;
2798	<	if rdFields[j].fdIsNull then
2799	<	Qry.Params[i].IsNull := True
2798	>	if fdIsNull then
2799	>	Param.IsNull := True
2800		else begin
2801	<	Qry.Params[i].IsNull := False;
2802	<	data := cr + rdFields[j].fdDataOfs;
2803	<	case rdFields[j].fdDataType of
2801	>	Param.IsNull := False;
2802	>	data := cr + fdDataOfs;
2803	>	case fdDataType of
2804		SQL_TEXT, SQL_VARYING:
2805		begin
2806	<	SetString(st, data, rdFields[j].fdDataLength);
2807	<	Qry.Params[i].AsString := st;
2806	>	SetString(st, data, fdDataLength);
2807	>	SetCodePage(st,fdCodePage,false);
2808	>	Param.AsString := st;
2809		end;
2810		SQL_FLOAT, SQL_DOUBLE, SQL_D_FLOAT:
2811	<	Qry.Params[i].AsDouble := PDouble(data)^;
2811	>	Param.AsDouble := PDouble(data)^;
2812		SQL_SHORT, SQL_LONG:
2813		begin
2814	<	if rdFields[j].fdDataScale = 0 then
2815	<	Qry.Params[i].AsLong := PLong(data)^
2816	<	else if rdFields[j].fdDataScale >= (-4) then
2817	<	Qry.Params[i].AsCurrency := PCurrency(data)^
2814	>	if fdDataScale = 0 then
2815	>	Param.AsLong := PLong(data)^
2816	>	else
2817	>	if fdDataScale >= (-4) then
2818	>	Param.AsCurrency := PCurrency(data)^
2819		else
2820	<	Qry.Params[i].AsDouble := PDouble(data)^;
2820	>	Param.AsDouble := PDouble(data)^;
2821		end;
2822		SQL_INT64:
2823		begin
2824	<	if rdFields[j].fdDataScale = 0 then
2825	<	Qry.Params[i].AsInt64 := PInt64(data)^
2826	<	else if rdFields[j].fdDataScale >= (-4) then
2827	<	Qry.Params[i].AsCurrency := PCurrency(data)^
2824	>	if fdDataScale = 0 then
2825	>	Param.AsInt64 := PInt64(data)^
2826	>	else
2827	>	if fdDataScale >= (-4) then
2828	>	Param.AsCurrency := PCurrency(data)^
2829		else
2830	<	Qry.Params[i].AsDouble := PDouble(data)^;
2830	>	Param.AsDouble := PDouble(data)^;
2831		end;
2832		SQL_BLOB, SQL_ARRAY, SQL_QUAD:
2833	<	Qry.Params[i].AsQuad := PISC_QUAD(data)^;
2833	>	Param.AsQuad := PISC_QUAD(data)^;
2834		SQL_TYPE_DATE:
2835		begin
2836		ts.Date := PInt(data)^;
2837		ts.Time := 0;
2838	<	Qry.Params[i].AsDate :=
1990	<	TimeStampToDateTime(ts);
2838	>	Param.AsDate := TimeStampToDateTime(ts);
2839		end;
2840		SQL_TYPE_TIME:
2841		begin
2842		ts.Date := 0;
2843		ts.Time := PInt(data)^;
2844	<	Qry.Params[i].AsTime :=
1997	<	TimeStampToDateTime(ts);
2844	>	Param.AsTime := TimeStampToDateTime(ts);
2845		end;
2846		SQL_TIMESTAMP:
2847	<	Qry.Params[i].AsDateTime :=
2848	<	TimeStampToDateTime(
2849	<	MSecsToTimeStamp(PDouble(data)^));
2847	>	Param.AsDateTime :=
2848	>	TimeStampToDateTime(MSecsToTimeStamp(trunc(PDouble(data)^)));
2849	>	SQL_BOOLEAN:
2850	>	Param.AsBoolean := PWordBool(data)^;
2851		end;
2852		end;
2853		end;
#	Line 2048 \| Line 2896 \| begin
2896		FQRefresh.Transaction := Value;
2897		FQSelect.Transaction := Value;
2898		FQModify.Transaction := Value;
2899	+	FGeneratorField.Transaction := Value;
2900		end;
2901		end;
2902
#	Line 2085 \| Line 2934 \| begin
2934		end;
2935		end;
2936
2937	+	procedure TIBCustomDataSet.RegisterIBLink(Sender: TIBControlLink);
2938	+	begin
2939	+	if FIBLinks.IndexOf(Sender) = -1 then
2940	+	FIBLinks.Add(Sender);
2941	+	end;
2942	+
2943
2944		procedure TIBCustomDataSet.SQLChanging(Sender: TObject);
2945		begin
2946	<	if FOpen then
2947	<	InternalClose;
2946	>	Active := false;
2947	>	{ if FOpen then
2948	>	InternalClose;}
2949		if FInternalPrepared then
2950		InternalUnPrepare;
2951	+	FieldDefs.Clear;
2952	+	FieldDefs.Updated := false;
2953	+	end;
2954	+
2955	+	procedure TIBCustomDataSet.SQLChanged(Sender: TObject);
2956	+	begin
2957	+	FBaseSQLSelect.assign(FQSelect.SQL);
2958		end;
2959
2960		{ I can "undelete" uninserted records (make them "inserted" again).
#	Line 2120 \| Line 2983 \| begin
2983		end;
2984		end;
2985
2986	+	procedure TIBCustomDataSet.UnRegisterIBLink(Sender: TIBControlLink);
2987	+	begin
2988	+	FIBLinks.Remove(Sender);
2989	+	end;
2990	+
2991		function TIBCustomDataSet.UpdateStatus: TUpdateStatus;
2992		begin
2993		if Active then
#	Line 2136 \| Line 3004 \| begin
3004		Result := Assigned( FQSelect ) and FQSelect.EOF;
3005		end;
3006
3007	+	function TIBCustomDataSet.ParamByName(ParamName: String): ISQLParam;
3008	+	begin
3009	+	ActivateConnection;
3010	+	ActivateTransaction;
3011	+	if not FInternalPrepared then
3012	+	InternalPrepare;
3013	+	Result := Params.ByName(ParamName);
3014	+	end;
3015	+
3016	+	{Beware: the parameter FCache is used as an identifier to determine which
3017	+	cache is being operated on and is not referenced in the computation.
3018	+	The result is an adjusted offset into the identified cache, either the
3019	+	Buffer Cache or the old Buffer Cache.}
3020	+
3021		function TIBCustomDataSet.AdjustPosition(FCache: PChar; Offset: DWORD;
3022	<	Origin: Integer): Integer;
3022	>	Origin: Integer): DWORD;
3023		var
3024		OldCacheSize: Integer;
3025		begin
#	Line 2174 \| Line 3056 \| procedure TIBCustomDataSet.ReadCache(FCa
3056		Buffer: PChar);
3057		var
3058		pCache: PChar;
3059	+	AdjustedOffset: DWORD;
3060		bOld: Boolean;
3061		begin
3062		bOld := (FCache = FOldBufferCache);
3063	<	pCache := PChar(AdjustPosition(FCache, Offset, Origin));
3063	>	AdjustedOffset := AdjustPosition(FCache, Offset, Origin);
3064		if not bOld then
3065	<	pCache := FBufferCache + Integer(pCache)
3065	>	pCache := FBufferCache + AdjustedOffset
3066		else
3067	<	pCache := FOldBufferCache + Integer(pCache);
3067	>	pCache := FOldBufferCache + AdjustedOffset;
3068		Move(pCache^, Buffer^, DWORD(FRecordBufferSize));
3069		AdjustPosition(FCache, FRecordBufferSize, FILE_CURRENT);
3070		end;
#	Line 2211 \| Line 3094 \| procedure TIBCustomDataSet.WriteCache(FC
3094		Buffer: PChar);
3095		var
3096		pCache: PChar;
3097	+	AdjustedOffset: DWORD;
3098		bOld: Boolean;
3099		dwEnd: DWORD;
3100		begin
3101		bOld := (FCache = FOldBufferCache);
3102	<	pCache := PChar(AdjustPosition(FCache, Offset, Origin));
3102	>	AdjustedOffset := AdjustPosition(FCache, Offset, Origin);
3103		if not bOld then
3104	<	pCache := FBufferCache + Integer(pCache)
3104	>	pCache := FBufferCache + AdjustedOffset
3105		else
3106	<	pCache := FOldBufferCache + Integer(pCache);
3106	>	pCache := FOldBufferCache + AdjustedOffset;
3107		Move(Buffer^, pCache^, FRecordBufferSize);
3108		dwEnd := AdjustPosition(FCache, FRecordBufferSize, FILE_CURRENT);
3109		if not bOld then
#	Line 2257 \| Line 3141 \| var
3141		Buff: PChar;
3142		bTr, bDB: Boolean;
3143		begin
3144	+	if (Field = nil) or (Field.DataSet <> self) then
3145	+	IBError(ibxFieldNotinDataSet,[Field.Name,Name]);
3146		Buff := GetActiveBuf;
3147		if Buff = nil then
3148		begin
3149		fs := TIBBlobStream.Create;
3150		fs.Mode := bmReadWrite;
3151	+	fs.Database := Database;
3152	+	fs.Transaction := Transaction;
3153	+	fs.SetField(Field);
3154		FBlobStreamList.Add(Pointer(fs));
3155		result := TIBDSBlobStream.Create(Field, fs, Mode);
3156		exit;
#	Line 2276 \| Line 3165 \| begin
3165		fs.Mode := bmReadWrite;
3166		fs.Database := Database;
3167		fs.Transaction := Transaction;
3168	+	fs.SetField(Field);
3169		fs.BlobID :=
3170	<	PISC_QUAD(@Buff[PRecordData(Buff)^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs])^;
3170	>	PISC_QUAD(@Buff[FFieldColumns^[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs])^;
3171		if (CachedUpdates) then
3172		begin
3173		bTr := not Transaction.InTransaction;
#	Line 2298 \| Line 3188 \| begin
3188		result := TIBDSBlobStream.Create(Field, fs, Mode);
3189		end;
3190
3191	+	function TIBCustomDataSet.GetArray(Field: TIBArrayField): IArray;
3192	+	var Buff: PChar;
3193	+	pda: PArrayDataArray;
3194	+	bTr, bDB: Boolean;
3195	+	begin
3196	+	if (Field = nil) or (Field.DataSet <> self) then
3197	+	IBError(ibxFieldNotinDataSet,[Field.Name,Name]);
3198	+	Buff := GetActiveBuf;
3199	+	if Buff = nil then
3200	+	Result := Database.Attachment.CreateArray(Transaction.TransactionIntf,
3201	+	Field.FRelationName,Field.FieldName)
3202	+	else
3203	+	begin
3204	+	pda := PArrayDataArray(Buff + FArrayCacheOffset);
3205	+	if pda^[Field.FCacheOffset] = nil then
3206	+	begin
3207	+	AdjustRecordOnInsert(Buff);
3208	+	if Field.IsNull then
3209	+	Result := Database.Attachment.CreateArray(Transaction.TransactionIntf,
3210	+	Field.FRelationName,Field.FieldName)
3211	+	else
3212	+	Result := Database.Attachment.OpenArray(Transaction.TransactionIntf,
3213	+	Field.FRelationName,Field.FieldName,Field.ArrayID);
3214	+	pda^[Field.FCacheOffset] := TIBArray.Create(Field,Result);
3215	+	FArrayList.Add(pda^[Field.FCacheOffset]);
3216	+	if (CachedUpdates) then
3217	+	begin
3218	+	bTr := not Transaction.InTransaction;
3219	+	bDB := not Database.Connected;
3220	+	if bDB then
3221	+	Database.Open;
3222	+	if bTr then
3223	+	Transaction.StartTransaction;
3224	+	pda^[Field.FCacheOffset].ArrayIntf.PreLoad;
3225	+	if bTr then
3226	+	Transaction.Commit;
3227	+	if bDB then
3228	+	Database.Close;
3229	+	end;
3230	+	WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Pointer(Buff));
3231	+	end
3232	+	else
3233	+	Result := pda^[Field.FCacheOffset].ArrayIntf;
3234	+	end;
3235	+	end;
3236	+
3237	+	procedure TIBCustomDataSet.SetArrayIntf(AnArray: IArray; Field: TIBArrayField);
3238	+	var Buff: PChar;
3239	+	pda: PArrayDataArray;
3240	+	begin
3241	+	if (Field = nil) or (Field.DataSet <> self) then
3242	+	IBError(ibxFieldNotinDataSet,[Field.Name,Name]);
3243	+	Buff := GetActiveBuf;
3244	+	if Buff <> nil then
3245	+	begin
3246	+	AdjustRecordOnInsert(Buff);
3247	+	pda := PArrayDataArray(Buff + FArrayCacheOffset);
3248	+	pda^[Field.FCacheOffset].FArray := AnArray;
3249	+	WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Pointer(Buff));
3250	+	end;
3251	+	end;
3252	+
3253		function TIBCustomDataSet.CompareBookmarks(Bookmark1, Bookmark2: TBookmark): Integer;
3254		const
3255		CMPLess = -1;
#	Line 2330 \| Line 3282 \| begin
3282		if FCachedUpdates and
3283		(Buff^.rdCachedUpdateStatus in [cusUnmodified]) then
3284		SaveOldBuffer(PChar(Buff));
3285	<	inherited;
3285	>	inherited DoBeforeDelete;
3286	>	end;
3287	>
3288	>	procedure TIBCustomDataSet.DoAfterDelete;
3289	>	begin
3290	>	inherited DoAfterDelete;
3291	>	FBase.DoAfterDelete(self);
3292	>	InternalAutoCommit;
3293		end;
3294
3295		procedure TIBCustomDataSet.DoBeforeEdit;
#	Line 2344 \| Line 3303 \| begin
3303		if FCachedUpdates and (Buff^.rdCachedUpdateStatus in [cusUnmodified, cusInserted]) then
3304		SaveOldBuffer(PChar(Buff));
3305		CopyRecordBuffer(GetActiveBuf, FOldBuffer);
3306	<	inherited;
3306	>	inherited DoBeforeEdit;
3307	>	end;
3308	>
3309	>	procedure TIBCustomDataSet.DoAfterEdit;
3310	>	begin
3311	>	inherited DoAfterEdit;
3312	>	FBase.DoAfterEdit(self);
3313		end;
3314
3315		procedure TIBCustomDataSet.DoBeforeInsert;
3316		begin
3317		if not CanInsert then
3318		IBError(ibxeCannotInsert, [nil]);
3319	<	inherited;
3319	>	inherited DoBeforeInsert;
3320	>	end;
3321	>
3322	>	procedure TIBCustomDataSet.DoAfterInsert;
3323	>	begin
3324	>	if GeneratorField.ApplyOnEvent = gaeOnNewRecord then
3325	>	GeneratorField.Apply;
3326	>	inherited DoAfterInsert;
3327	>	FBase.DoAfterInsert(self);
3328	>	end;
3329	>
3330	>	procedure TIBCustomDataSet.DoBeforeClose;
3331	>	begin
3332	>	inherited DoBeforeClose;
3333	>	if FInTransactionEnd and (FCloseAction = TARollback) then
3334	>	Exit;
3335	>	if State in [dsInsert,dsEdit] then
3336	>	begin
3337	>	if DataSetCloseAction = dcSaveChanges then
3338	>	Post;
3339	>	{Note this can fail with an exception e.g. due to
3340	>	database validation error. In which case the dataset remains open }
3341	>	end;
3342	>	if FCachedUpdates and FUpdatesPending and (DataSetCloseAction = dcSaveChanges) then
3343	>	ApplyUpdates;
3344	>	end;
3345	>
3346	>	procedure TIBCustomDataSet.DoBeforeOpen;
3347	>	var i: integer;
3348	>	begin
3349	>	if assigned(FParser) then
3350	>	FParser.Reset;
3351	>	for i := 0 to FIBLinks.Count - 1 do
3352	>	TIBControlLink(FIBLinks[i]).UpdateSQL(self);
3353	>	inherited DoBeforeOpen;
3354	>	for i := 0 to FIBLinks.Count - 1 do
3355	>	TIBControlLink(FIBLinks[i]).UpdateParams(self);
3356	>	end;
3357	>
3358	>	procedure TIBCustomDataSet.DoBeforePost;
3359	>	begin
3360	>	inherited DoBeforePost;
3361	>	if (State = dsInsert) and
3362	>	(GeneratorField.ApplyOnEvent = gaeOnPostRecord) then
3363	>	GeneratorField.Apply
3364	>	end;
3365	>
3366	>	procedure TIBCustomDataSet.DoAfterPost;
3367	>	begin
3368	>	inherited DoAfterPost;
3369	>	FBase.DoAfterPost(self);
3370	>	InternalAutoCommit;
3371		end;
3372
3373		procedure TIBCustomDataSet.FetchAll;
3374		var
3375	<	SetCursor: Boolean;
2360	<	CurBookmark: string;
3375	>	CurBookmark: TBookmark;
3376		begin
3377	<	SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
3378	<	if SetCursor then
2364	<	Screen.Cursor := crHourGlass;
2365	<	try
3377	>	FBase.SetCursor;
3378	>	try
3379		if FQSelect.EOF or not FQSelect.Open then
3380		exit;
3381		DisableControls;
#	Line 2374 \| Line 3387 \| begin
3387		EnableControls;
3388		end;
3389		finally
3390	<	if SetCursor and (Screen.Cursor = crHourGlass) then
2378	<	Screen.Cursor := crDefault;
3390	>	FBase.RestoreCursor;
3391		end;
3392		end;
3393
#	Line 2423 \| Line 3435 \| begin
3435		result := FDataLink.DataSource;
3436		end;
3437
3438	+	function TIBCustomDataSet.GetDBAliasName(FieldNo: integer): string;
3439	+	begin
3440	+	Result := FAliasNameMap[FieldNo-1]
3441	+	end;
3442	+
3443	+	function TIBCustomDataSet.GetFieldDefFromAlias(aliasName: string): TFieldDef;
3444	+	var
3445	+	i: integer;
3446	+	begin
3447	+	Result := nil;
3448	+	for i := 0 to Length(FAliasNameMap) - 1 do
3449	+	if FAliasNameMap[i] = aliasName then
3450	+	begin
3451	+	Result := FieldDefs[i];
3452	+	Exit
3453	+	end;
3454	+	end;
3455	+
3456		function TIBCustomDataSet.GetFieldClass(FieldType: TFieldType): TFieldClass;
3457		begin
3458		Result := DefaultFieldClasses[FieldType];
#	Line 2441 \| Line 3471 \| begin
3471		result := False;
3472		Buff := GetActiveBuf;
3473		if (Buff = nil) or
3474	<	(not IsVisible(Buff)) then
3474	>	(not IsVisible(Buff)) or not assigned(Field.DataSet) then
3475		exit;
3476		{ The intention here is to stuff the buffer with the data for the
3477		referenced field for the current record }
#	Line 2453 \| Line 3483 \| begin
3483		if result and (Buffer <> nil) then
3484		Move(Buff[1], Buffer^, Field.DataSize);
3485		end
3486	<	else if (FMappedFieldPosition[Field.FieldNo - 1] > 0) and
3486	>	else
3487	>	if (FMappedFieldPosition[Field.FieldNo - 1] > 0) and
3488		(FMappedFieldPosition[Field.FieldNo - 1] <= CurrentRecord^.rdFieldCount) then
3489	+	with CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]],
3490	+	FFieldColumns^[FMappedFieldPosition[Field.FieldNo - 1]] do
3491		begin
3492	<	result := not CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdIsNull;
3492	>	result := not fdIsNull;
3493		if result and (Buffer <> nil) then
2461	–	with CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]] do
3494		begin
3495	<	Data := Buff + CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs;
3495	>	Data := Buff + fdDataOfs;
3496		if (fdDataType = SQL_VARYING) or (fdDataType = SQL_TEXT) then
3497		begin
3498	<	Move(Data^, Buffer^, fdDataLength);
3499	<	PChar(Buffer)[fdDataLength] := #0;
3498	>	if fdDataLength < Field.DataSize then
3499	>	begin
3500	>	Move(Data^, Buffer^, fdDataLength);
3501	>	PChar(Buffer)[fdDataLength] := #0;
3502	>	end
3503	>	else
3504	>	IBError(ibxeFieldSizeError,[Field.FieldName])
3505		end
3506		else
3507		Move(Data^, Buffer^, Field.DataSize);
#	Line 2507 \| Line 3544 \| begin
3544		if not Accept and (GetMode = gmCurrent) then
3545		GetMode := gmPrior;
3546		except
3547	<	// Application.HandleException(Self);
3547	>	// FBase.HandleException(Self);
3548		end;
3549		end;
3550		RestoreState(SaveState);
#	Line 2526 \| Line 3563 \| begin
3563		if FCurrentRecord < FRecordCount then
3564		ReadRecordCache(FCurrentRecord, Buffer, False)
3565		else begin
3566	<	while (not FQSelect.EOF) and
2530	<	(FQSelect.Next <> nil) and
3566	>	while (not FQSelect.EOF) and FQSelect.Next and
3567		(FCurrentRecord >= FRecordCount) do begin
3568		FetchCurrentRecordToBuffer(FQSelect, FRecordCount, Buffer);
3569		Inc(FRecordCount);
#	Line 2601 \| Line 3637 \| begin
3637		result := FRecordBufferSize;
3638		end;
3639
3640	+	procedure TIBCustomDataSet.InternalAutoCommit;
3641	+	begin
3642	+	with Transaction do
3643	+	if InTransaction and (FAutoCommit = acCommitRetaining) then
3644	+	begin
3645	+	if CachedUpdates then ApplyUpdates;
3646	+	CommitRetaining;
3647	+	end;
3648	+	end;
3649	+
3650		procedure TIBCustomDataSet.InternalAddRecord(Buffer: Pointer; Append: Boolean);
3651		begin
3652		CheckEditState;
#	Line 2628 \| Line 3674 \| procedure TIBCustomDataSet.InternalCance
3674		var
3675		Buff: PChar;
3676		CurRec: Integer;
3677	+	pda: PArrayDataArray;
3678	+	i: integer;
3679		begin
3680	<	inherited;
3680	>	inherited InternalCancel;
3681		Buff := GetActiveBuf;
3682	<	if Buff <> nil then begin
3682	>	if Buff <> nil then
3683	>	begin
3684	>	pda := PArrayDataArray(Buff + FArrayCacheOffset);
3685	>	for i := 0 to ArrayFieldCount - 1 do
3686	>	pda^[i].ArrayIntf.CancelChanges;
3687		CurRec := FCurrentRecord;
3688		AdjustRecordOnInsert(Buff);
3689		if (State = dsEdit) then begin
#	Line 2654 \| Line 3706 \| begin
3706		DeactivateTransaction;
3707		FQSelect.Close;
3708		ClearBlobCache;
3709	+	ClearArrayCache;
3710		FreeRecordBuffer(FModelBuffer);
3711		FreeRecordBuffer(FOldBuffer);
3712		FCurrentRecord := -1;
#	Line 2669 \| Line 3722 \| begin
3722		FOBEnd := 0;
3723		FreeMem(FBufferCache);
3724		FBufferCache := nil;
3725	+	FreeMem(FFieldColumns);
3726	+	FFieldColumns := nil;
3727		FreeMem(FOldBufferCache);
3728		FOldBufferCache := nil;
3729		BindFields(False);
3730	+	ResetParser;
3731		if DefaultFields then DestroyFields;
3732		end;
3733
3734		procedure TIBCustomDataSet.InternalDelete;
3735		var
3736		Buff: PChar;
2681	–	SetCursor: Boolean;
3737		begin
3738	<	SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
2684	<	if SetCursor then
2685	<	Screen.Cursor := crHourGlass;
3738	>	FBase.SetCursor;
3739		try
3740		Buff := GetActiveBuf;
3741		if CanDelete then
#	Line 2707 \| Line 3760 \| begin
3760		end else
3761		IBError(ibxeCannotDelete, [nil]);
3762		finally
3763	<	if SetCursor and (Screen.Cursor = crHourGlass) then
2711	<	Screen.Cursor := crDefault;
3763	>	FBase.RestoreCursor;
3764		end;
3765		end;
3766
#	Line 2724 \| Line 3776 \| end;
3776
3777		procedure TIBCustomDataSet.InternalHandleException;
3778		begin
3779	<	Application.HandleException(Self)
3779	>	FBase.HandleException(Self)
3780		end;
3781
3782		procedure TIBCustomDataSet.InternalInitFieldDefs;
3783	+	begin
3784	+	if not InternalPrepared then
3785	+	begin
3786	+	InternalPrepare;
3787	+	exit;
3788	+	end;
3789	+	FieldDefsFromQuery(FQSelect);
3790	+	end;
3791	+
3792	+	procedure TIBCustomDataSet.FieldDefsFromQuery(SourceQuery: TIBSQL);
3793		const
3794		DefaultSQL = 'Select F.RDB$COMPUTED_BLR, ' + {do not localize}
3795		'F.RDB$DEFAULT_VALUE, R.RDB$FIELD_NAME ' + {do not localize}
#	Line 2736 \| Line 3798 \| const
3798		'and R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME '+ {do not localize}
3799		'and ((not F.RDB$COMPUTED_BLR is NULL) or ' + {do not localize}
3800		' (not F.RDB$DEFAULT_VALUE is NULL)) '; {do not localize}
3801	+
3802	+	DefaultSQLODS12 = 'Select F.RDB$COMPUTED_BLR, ' + {do not localize}
3803	+	'F.RDB$DEFAULT_VALUE, R.RDB$FIELD_NAME, R.RDB$IDENTITY_TYPE ' + {do not localize}
3804	+	'from RDB$RELATION_FIELDS R, RDB$FIELDS F ' + {do not localize}
3805	+	'where R.RDB$RELATION_NAME = :RELATION ' + {do not localize}
3806	+	'and R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME '+ {do not localize}
3807	+	'and ((not F.RDB$COMPUTED_BLR is NULL) or ' + {do not localize}
3808	+	' (not F.RDB$DEFAULT_VALUE is NULL) or ' + {do not localize}
3809	+	' ( not R.RDB$IDENTITY_TYPE is NULL))' ; {do not localize}
3810	+
3811		var
3812		FieldType: TFieldType;
3813		FieldSize: Word;
3814	+	FieldDataSize: integer;
3815	+	charSetID: short;
3816	+	CharSetSize: integer;
3817	+	CharSetName: RawByteString;
3818	+	FieldCodePage: TSystemCodePage;
3819		FieldNullable : Boolean;
3820		i, FieldPosition, FieldPrecision: Integer;
3821	<	FieldAliasName: string;
3822	<	RelationName, FieldName: string;
3821	>	FieldAliasName, DBAliasName: string;
3822	>	aRelationName, FieldName: string;
3823		Query : TIBSQL;
3824		FieldIndex: Integer;
3825		FRelationNodes : TRelationNode;
3826	+	aArrayDimensions: integer;
3827	+	aArrayBounds: TArrayBounds;
3828	+	ArrayMetaData: IArrayMetaData;
3829
3830		function Add_Node(Relation, Field : String) : TRelationNode;
3831		var
#	Line 2768 \| Line 3848 \| var
3848		FField.FieldName := Query.Fields[2].AsString;
3849		FField.DEFAULT_VALUE := not Query.Fields[1].IsNull;
3850		FField.COMPUTED_BLR := not Query.Fields[0].IsNull;
3851	+	FField.IDENTITY_COLUMN := (Query.FieldCount > 3) and not Query.Fields[3].IsNull;
3852		FField.NextField := Result.FieldNodes;
3853		Result.FieldNodes := FField;
3854		Query.Next;
#	Line 2821 \| Line 3902 \| var
3902		FField := Ffield.NextField;
3903		end;
3904
3905	+	function Is_IDENTITY_COLUMN(Relation, Field : String) : Boolean;
3906	+	var
3907	+	FRelation : TRelationNode;
3908	+	FField : TFieldNode;
3909	+	begin
3910	+	FRelation := FRelationNodes;
3911	+	while Assigned(FRelation) and
3912	+	(FRelation.RelationName <> Relation) do
3913	+	FRelation := FRelation.NextRelation;
3914	+	if not Assigned(FRelation) then
3915	+	FRelation := Add_Node(Relation, Field);
3916	+	Result := false;
3917	+	FField := FRelation.FieldNodes;
3918	+	while Assigned(FField) do
3919	+	if FField.FieldName = Field then
3920	+	begin
3921	+	Result := Ffield.IDENTITY_COLUMN;
3922	+	Exit;
3923	+	end
3924	+	else
3925	+	FField := Ffield.NextField;
3926	+	end;
3927	+
3928		Procedure FreeNodes;
3929		var
3930		FRelation : TRelationNode;
#	Line 2841 \| Line 3945 \| var
3945		end;
3946
3947		begin
2844	–	if not InternalPrepared then
2845	–	begin
2846	–	InternalPrepare;
2847	–	exit;
2848	–	end;
3948		FRelationNodes := TRelationNode.Create;
3949		FNeedsRefresh := False;
3950	<	Database.InternalTransaction.StartTransaction;
3950	>	if not Database.InternalTransaction.InTransaction then
3951	>	Database.InternalTransaction.StartTransaction;
3952		Query := TIBSQL.Create(self);
3953		try
3954		Query.Database := DataBase;
#	Line 2856 \| Line 3956 \| begin
3956		FieldDefs.BeginUpdate;
3957		FieldDefs.Clear;
3958		FieldIndex := 0;
3959	<	if (Length(FMappedFieldPosition) < FQSelect.Current.Count) then
3960	<	SetLength(FMappedFieldPosition, FQSelect.Current.Count);
3961	<	Query.SQL.Text := DefaultSQL;
3959	>	if (Length(FMappedFieldPosition) < SourceQuery.MetaData.Count) then
3960	>	SetLength(FMappedFieldPosition, SourceQuery.MetaData.Count);
3961	>	if FDatabaseInfo.ODSMajorVersion >= 12 then
3962	>	Query.SQL.Text := DefaultSQLODS12
3963	>	else
3964	>	Query.SQL.Text := DefaultSQL;
3965		Query.Prepare;
3966	<	for i := 0 to FQSelect.Current.Count - 1 do
3967	<	with FQSelect.Current[i].Data^ do
3966	>	SetLength(FAliasNameMap, SourceQuery.MetaData.Count);
3967	>	SetLength(FAliasNameList, SourceQuery.MetaData.Count);
3968	>	for i := 0 to SourceQuery.MetaData.GetCount - 1 do
3969	>	with SourceQuery.MetaData[i] do
3970		begin
3971		{ Get the field name }
3972	<	SetString(FieldAliasName, aliasname, aliasname_length);
3973	<	SetString(RelationName, relname, relname_length);
3974	<	SetString(FieldName, sqlname, sqlname_length);
3972	>	FieldAliasName := GetName;
3973	>	DBAliasName := GetAliasname;
3974	>	aRelationName := getRelationName;
3975	>	FieldName := getSQLName;
3976	>	FAliasNameList[i] := DBAliasName;
3977		FieldSize := 0;
3978	+	FieldDataSize := GetSize;
3979		FieldPrecision := 0;
3980	<	FieldNullable := FQSelect.Current[i].IsNullable;
3981	<	case sqltype and not 1 of
3980	>	FieldNullable := IsNullable;
3981	>	CharSetSize := 0;
3982	>	CharSetName := '';
3983	>	FieldCodePage := CP_NONE;
3984	>	aArrayDimensions := 0;
3985	>	SetLength(aArrayBounds,0);
3986	>	case SQLType of
3987		{ All VARCHAR's must be converted to strings before recording
3988		their values }
3989		SQL_VARYING, SQL_TEXT:
3990		begin
3991	<	FieldSize := sqllen;
3991	>	if not Database.Attachment.CharSetWidth(getCharSetID,CharSetSize) then
3992	>	CharSetSize := 1;
3993	>	CharSetName := Database.Attachment.GetCharsetName(getCharSetID);
3994	>	Database.Attachment.CharSetID2CodePage(getCharSetID,FieldCodePage);
3995	>	FieldSize := FieldDataSize div CharSetSize;
3996		FieldType := ftString;
3997		end;
3998		{ All Doubles/Floats should be cast to doubles }
#	Line 2883 \| Line 4000 \| begin
4000		FieldType := ftFloat;
4001		SQL_SHORT:
4002		begin
4003	<	if (sqlscale = 0) then
4003	>	if (getScale = 0) then
4004		FieldType := ftSmallInt
4005		else begin
4006		FieldType := ftBCD;
4007		FieldPrecision := 4;
4008	<	FieldSize := -sqlscale;
4008	>	FieldSize := -getScale;
4009		end;
4010		end;
4011		SQL_LONG:
4012		begin
4013	<	if (sqlscale = 0) then
4013	>	if (getScale = 0) then
4014		FieldType := ftInteger
4015	<	else if (sqlscale >= (-4)) then
4015	>	else if (getScale >= (-4)) then
4016		begin
4017		FieldType := ftBCD;
4018		FieldPrecision := 9;
4019	<	FieldSize := -sqlscale;
4019	>	FieldSize := -getScale;
4020		end
4021		else
4022	<	FieldType := ftFloat;
4022	>	if Database.SQLDialect = 1 then
4023	>	FieldType := ftFloat
4024	>	else
4025	>	if (FieldCount > i) and (Fields[i] is TFloatField) then
4026	>	FieldType := ftFloat
4027	>	else
4028	>	begin
4029	>	FieldType := ftFMTBCD;
4030	>	FieldPrecision := 9;
4031	>	FieldSize := -getScale;
4032		end;
4033	+	end;
4034	+
4035		SQL_INT64:
4036		begin
4037	<	if (sqlscale = 0) then
4037	>	if (getScale = 0) then
4038		FieldType := ftLargeInt
4039	<	else if (sqlscale >= (-4)) then
4039	>	else if (getScale >= (-4)) then
4040		begin
4041		FieldType := ftBCD;
4042		FieldPrecision := 18;
4043	<	FieldSize := -sqlscale;
4043	>	FieldSize := -getScale;
4044		end
4045		else
4046		FieldType := ftFloat;
4047	<	end;
4047	>	end;
4048		SQL_TIMESTAMP: FieldType := ftDateTime;
4049		SQL_TYPE_TIME: FieldType := ftTime;
4050		SQL_TYPE_DATE: FieldType := ftDate;
4051		SQL_BLOB:
4052		begin
4053		FieldSize := sizeof (TISC_QUAD);
4054	<	if (sqlsubtype = 1) then
4055	<	FieldType := ftmemo
4054	>	if (getSubtype = 1) then
4055	>	begin
4056	>	if not Database.Attachment.CharSetWidth(getCharSetID,CharSetSize) then
4057	>	CharSetSize := 1;
4058	>	CharSetName := Database.Attachment.GetCharsetName(getCharSetID);
4059	>	Database.Attachment.CharSetID2CodePage(getCharSetID,FieldCodePage);
4060	>	FieldType := ftMemo;
4061	>	end
4062		else
4063		FieldType := ftBlob;
4064		end;
4065		SQL_ARRAY:
4066		begin
4067		FieldSize := sizeof (TISC_QUAD);
4068	<	FieldType := ftUnknown;
4068	>	FieldType := ftArray;
4069	>	ArrayMetaData := GetArrayMetaData;
4070	>	if ArrayMetaData <> nil then
4071	>	begin
4072	>	aArrayDimensions := ArrayMetaData.GetDimensions;
4073	>	aArrayBounds := ArrayMetaData.GetBounds;
4074	>	end;
4075		end;
4076	+	SQL_BOOLEAN:
4077	+	FieldType:= ftBoolean;
4078		else
4079		FieldType := ftUnknown;
4080		end;
#	Line 2941 \| Line 4083 \| begin
4083		begin
4084		FMappedFieldPosition[FieldIndex] := FieldPosition;
4085		Inc(FieldIndex);
4086	<	with FieldDefs.AddFieldDef do
4086	>	with TIBFieldDef.Create(FieldDefs,'',FieldType,0,False,FieldDefs.Count+1) do
4087		begin
4088	<	Name := string( FieldAliasName );
4089	<	FieldNo := FieldPosition;
2948	<	DataType := FieldType;
4088	>	Name := FieldAliasName;
4089	>	FAliasNameMap[FieldNo-1] := DBAliasName;
4090		Size := FieldSize;
4091	+	DataSize := FieldDataSize;
4092		Precision := FieldPrecision;
4093	<	Required := False;
4093	>	Required := not FieldNullable;
4094	>	RelationName := aRelationName;
4095		InternalCalcField := False;
4096	+	CharacterSetSize := CharSetSize;
4097	+	CharacterSetName := CharSetName;
4098	+	CodePage := FieldCodePage;
4099	+	ArrayDimensions := aArrayDimensions;
4100	+	ArrayBounds := aArrayBounds;
4101		if (FieldName <> '') and (RelationName <> '') then
4102		begin
4103	+	IdentityColumn := Is_IDENTITY_COLUMN(RelationName, FieldName);
4104		if Has_COMPUTED_BLR(RelationName, FieldName) then
4105		begin
4106		Attributes := [faReadOnly];
#	Line 2977 \| Line 4126 \| begin
4126		FreeNodes;
4127		Database.InternalTransaction.Commit;
4128		FieldDefs.EndUpdate;
4129	+	FieldDefs.Updated := true;
4130		end;
4131		end;
4132
#	Line 2994 \| Line 4144 \| begin
4144		else begin
4145		Buffer := AllocRecordBuffer;
4146		try
4147	<	while FQSelect.Next <> nil do
4147	>	while FQSelect.Next do
4148		begin
4149		FetchCurrentRecordToBuffer(FQSelect, FRecordCount, Buffer);
4150		Inc(FRecordCount);
#	Line 3009 \| Line 4159 \| end;
4159		procedure TIBCustomDataSet.InternalSetParamsFromCursor;
4160		var
4161		i: Integer;
4162	<	cur_param: TIBXSQLVAR;
4162	>	cur_param: ISQLParam;
4163		cur_field: TField;
4164		s: TStream;
4165		begin
#	Line 3017 \| Line 4167 \| begin
4167		IBError(ibxeEmptyQuery, [nil]);
4168		if not FInternalPrepared then
4169		InternalPrepare;
4170	<	if (SQLParams.Count > 0) and (DataSource <> nil) and (DataSource.DataSet <> nil) then
4170	>	if (SQLParams.GetCount > 0) and (DataSource <> nil) and (DataSource.DataSet <> nil) then
4171		begin
4172	<	for i := 0 to SQLParams.Count - 1 do
4172	>	for i := 0 to SQLParams.GetCount - 1 do
4173		begin
4174		cur_field := DataSource.DataSet.FindField(SQLParams[i].Name);
4175		cur_param := SQLParams[i];
#	Line 3029 \| Line 4179 \| begin
4179		else case cur_field.DataType of
4180		ftString:
4181		cur_param.AsString := cur_field.AsString;
4182	<	ftBoolean, ftSmallint, ftWord:
4182	>	ftBoolean:
4183	>	cur_param.AsBoolean := cur_field.AsBoolean;
4184	>	ftSmallint, ftWord:
4185		cur_param.AsShort := cur_field.AsInteger;
4186		ftInteger:
4187		cur_param.AsLong := cur_field.AsInteger;
#	Line 3051 \| Line 4203 \| begin
4203		try
4204		s := DataSource.DataSet.
4205		CreateBlobStream(cur_field, bmRead);
4206	<	cur_param.LoadFromStream(s);
4206	>	cur_param.AsBlob := TIBDSBlobStream(s).FBlobStream.Blob;
4207		finally
4208		s.free;
4209		end;
4210		end;
4211	+	ftArray:
4212	+	cur_param.AsArray := TIBArrayField(cur_field).ArrayIntf;
4213		else
4214		IBError(ibxeNotSupported, [nil]);
4215		end;
#	Line 3082 \| Line 4236 \| begin
4236		end;
4237
4238		procedure TIBCustomDataSet.InternalOpen;
3085	–	var
3086	–	SetCursor: Boolean;
4239
4240		function RecordDataLength(n: Integer): Long;
4241		begin
#	Line 3091 \| Line 4243 \| var
4243		end;
4244
4245		begin
4246	<	SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
3095	<	if SetCursor then
3096	<	Screen.Cursor := crHourGlass;
4246	>	FBase.SetCursor;
4247		try
4248		ActivateConnection;
4249		ActivateTransaction;
#	Line 3101 \| Line 4251 \| begin
4251		IBError(ibxeEmptyQuery, [nil]);
4252		if not FInternalPrepared then
4253		InternalPrepare;
4254	<	if FQSelect.SQLType = SQLSelect then
4254	>	if FQSelect.SQLStatementType = SQLSelect then
4255		begin
4256		if DefaultFields then
4257		CreateFields;
4258	+	FArrayFieldCount := 0;
4259		BindFields(True);
4260		FCurrentRecord := -1;
4261		FQSelect.ExecQuery;
#	Line 3116 \| Line 4267 \| begin
4267		3. After the dummy fetch, FRecordSize will be appropriately
4268		adjusted to reflect the additional "weight" of the field
4269		data.
4270	<	4. Set up the FCalcFieldsOffset, FBlobCacheOffset and FRecordBufferSize.
4270	>	4. Set up the FCalcFieldsOffset, FBlobCacheOffset, FArrayCacheOffset and FRecordBufferSize.
4271		5. Now, with the BufferSize available, allocate memory for chunks of records
4272		6. Re-allocate the model buffer, accounting for the new
4273		FRecordBufferSize.
4274		7. Finally, calls to AllocRecordBuffer will work!.
4275		}
4276		{Step 1}
4277	<	FRecordSize := RecordDataLength(FQSelect.Current.Count);
4277	>	FRecordSize := RecordDataLength(FQSelect.FieldCount);
4278		{Step 2, 3}
4279	+	GetMem(FFieldColumns,sizeof(TFieldColumns) * (FQSelect.FieldCount));
4280		IBAlloc(FModelBuffer, 0, FRecordSize);
4281	<	FetchCurrentRecordToBuffer(FQSelect, -1, FModelBuffer);
4281	>	InitModelBuffer(FQSelect, FModelBuffer);
4282		{Step 4}
4283		FCalcFieldsOffset := FRecordSize;
4284		FBlobCacheOffset := FCalcFieldsOffset + CalcFieldsSize;
4285	<	FRecordBufferSize := (FBlobCacheOffset + (BlobFieldCount * SizeOf(TIBBlobStream)));
4285	>	FArrayCacheOffset := (FBlobCacheOffset + (BlobFieldCount * SizeOf(TIBBlobStream)));
4286	>	FRecordBufferSize := FArrayCacheOffset + (ArrayFieldCount * sizeof(IArray));
4287		{Step 5}
4288		if UniDirectional then
4289		FBufferChunkSize := FRecordBufferSize * UniCache
#	Line 3146 \| Line 4299 \| begin
4299		FCacheSize := FBufferChunkSize;
4300		FOldCacheSize := FBufferChunkSize;
4301		{Step 6}
4302	<	IBAlloc(FModelBuffer, RecordDataLength(FQSelect.Current.Count),
4302	>	IBAlloc(FModelBuffer, RecordDataLength(FQSelect.FieldCount),
4303		FRecordBufferSize);
4304		{Step 7}
4305		FOldBuffer := AllocRecordBuffer;
#	Line 3154 \| Line 4307 \| begin
4307		else
4308		FQSelect.ExecQuery;
4309		finally
4310	<	if SetCursor and (Screen.Cursor = crHourGlass) then
3158	<	Screen.Cursor := crDefault;
4310	>	FBase.RestoreCursor;
4311		end;
4312		end;
4313
#	Line 3163 \| Line 4315 \| procedure TIBCustomDataSet.InternalPost;
4315		var
4316		Qry: TIBSQL;
4317		Buff: PChar;
3166	–	SetCursor: Boolean;
4318		bInserting: Boolean;
4319		begin
4320	<	SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
3170	<	if SetCursor then
3171	<	Screen.Cursor := crHourGlass;
4320	>	FBase.SetCursor;
4321		try
4322		Buff := GetActiveBuf;
4323		CheckEditState;
#	Line 3206 \| Line 4355 \| begin
4355		if bInserting then
4356		Inc(FRecordCount);
4357		finally
4358	<	if SetCursor and (Screen.Cursor = crHourGlass) then
3210	<	Screen.Cursor := crDefault;
4358	>	FBase.RestoreCursor;
4359		end;
4360		end;
4361
4362		procedure TIBCustomDataSet.InternalRefresh;
4363		begin
4364	<	inherited;
4364	>	inherited InternalRefresh;
4365		InternalRefreshRow;
4366		end;
4367
#	Line 3227 \| Line 4375 \| begin
4375		result := FOpen;
4376		end;
4377
4378	+	procedure TIBCustomDataSet.Loaded;
4379	+	begin
4380	+	if assigned(FQSelect) then
4381	+	FBaseSQLSelect.assign(FQSelect.SQL);
4382	+	inherited Loaded;
4383	+	end;
4384	+
4385	+	procedure TIBCustomDataSet.Post;
4386	+	var CancelPost: boolean;
4387	+	begin
4388	+	CancelPost := false;
4389	+	if assigned(FOnValidatePost) then
4390	+	OnValidatePost(self,CancelPost);
4391	+	if CancelPost then
4392	+	Cancel
4393	+	else
4394	+	inherited Post;
4395	+	end;
4396	+
4397		function TIBCustomDataSet.Locate(const KeyFields: string; const KeyValues: Variant;
4398		Options: TLocateOptions): Boolean;
4399		var
4400	<	CurBookmark: string;
4400	>	CurBookmark: TBookmark;
4401		begin
4402		DisableControls;
4403		try
#	Line 3248 \| Line 4415 \| function TIBCustomDataSet.Lookup(const K
4415		const ResultFields: string): Variant;
4416		var
4417		fl: TList;
4418	<	CurBookmark: string;
4418	>	CurBookmark: TBookmark;
4419		begin
4420		DisableControls;
4421		fl := TList.Create;
#	Line 3301 \| Line 4468 \| end;
4468		procedure TIBCustomDataSet.InternalSetFieldData(Field: TField; Buffer: Pointer);
4469		var
4470		Buff, TmpBuff: PChar;
4471	+	MappedFieldPos: integer;
4472		begin
4473		Buff := GetActiveBuf;
4474		if Field.FieldNo < 0 then
#	Line 3317 \| Line 4485 \| begin
4485		begin
4486		{ If inserting, Adjust record position }
4487		AdjustRecordOnInsert(Buff);
4488	<	if (FMappedFieldPosition[Field.FieldNo - 1] > 0) and
4489	<	(FMappedFieldPosition[Field.FieldNo - 1] <= rdFieldCount) then
4488	>	MappedFieldPos := FMappedFieldPosition[Field.FieldNo - 1];
4489	>	if (MappedFieldPos > 0) and
4490	>	(MappedFieldPos <= rdFieldCount) then
4491	>	with rdFields[MappedFieldPos], FFieldColumns^[MappedFieldPos] do
4492		begin
4493		Field.Validate(Buffer);
4494		if (Buffer = nil) or
4495		(Field is TIBStringField) and (PChar(Buffer)[0] = #0) then
4496	<	rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdIsNull := True
4497	<	else begin
4498	<	Move(Buffer^, Buff[rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs],
4499	<	rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataSize);
4500	<	if (rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataType = SQL_TEXT) or
4501	<	(rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataType = SQL_VARYING) then
4502	<	rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataLength := StrLen(PChar(Buffer));
3333	<	rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdIsNull := False;
4496	>	fdIsNull := True
4497	>	else
4498	>	begin
4499	>	Move(Buffer^, Buff[fdDataOfs],fdDataSize);
4500	>	if (fdDataType = SQL_TEXT) or (fdDataType = SQL_VARYING) then
4501	>	fdDataLength := StrLen(PChar(Buffer));
4502	>	fdIsNull := False;
4503		if rdUpdateStatus = usUnmodified then
4504		begin
4505		if CachedUpdates then
#	Line 3354 \| Line 4523 \| begin
4523		end;
4524		end;
4525		if not (State in [dsCalcFields, dsFilter, dsNewValue]) then
4526	<	DataEvent(deFieldChange, Longint(Field));
4526	>	DataEvent(deFieldChange, PtrInt(Field));
4527		end;
4528
4529		procedure TIBCustomDataSet.SetRecNo(Value: Integer);
#	Line 3418 \| Line 4587 \| begin
4587		FillChar(Buffer[FRecordSize], CalcFieldsSize, 0);
4588		end;
4589
4590	+	procedure TIBCustomDataSet.ClearIBLinks;
4591	+	var i: integer;
4592	+	begin
4593	+	for i := FIBLinks.Count - 1 downto 0 do
4594	+	TIBControlLink(FIBLinks[i]).IBDataSet := nil;
4595	+	end;
4596	+
4597
4598		procedure TIBCustomDataSet.InternalUnPrepare;
4599		begin
4600		if FInternalPrepared then
4601		begin
4602		CheckDatasetClosed;
4603	+	if FDidActivate then
4604	+	DeactivateTransaction;
4605		FieldDefs.Clear;
4606	+	FieldDefs.Updated := false;
4607		FInternalPrepared := False;
4608	+	Setlength(FAliasNameList,0);
4609		end;
4610		end;
4611
4612		procedure TIBCustomDataSet.InternalExecQuery;
4613		var
4614		DidActivate: Boolean;
3435	–	SetCursor: Boolean;
4615		begin
4616		DidActivate := False;
4617	<	SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
3439	<	if SetCursor then
3440	<	Screen.Cursor := crHourGlass;
4617	>	FBase.SetCursor;
4618		try
4619		ActivateConnection;
4620		DidActivate := ActivateTransaction;
#	Line 3445 \| Line 4622 \| begin
4622		IBError(ibxeEmptyQuery, [nil]);
4623		if not FInternalPrepared then
4624		InternalPrepare;
4625	<	if FQSelect.SQLType = SQLSelect then
4625	>	if FQSelect.SQLStatementType = SQLSelect then
4626		begin
4627		IBError(ibxeIsASelectStatement, [nil]);
4628		end
#	Line 3454 \| Line 4631 \| begin
4631		finally
4632		if DidActivate then
4633		DeactivateTransaction;
4634	<	if SetCursor and (Screen.Cursor = crHourGlass) then
3458	<	Screen.Cursor := crDefault;
4634	>	FBase.RestoreCursor;
4635		end;
4636		end;
4637
4638	<	function TIBCustomDataSet.GetSelectStmtHandle: TISC_STMT_HANDLE;
4638	>	function TIBCustomDataSet.GetSelectStmtIntf: IStatement;
4639	>	begin
4640	>	Result := FQSelect.Statement;
4641	>	end;
4642	>
4643	>	function TIBCustomDataSet.GetParser: TSelectSQLParser;
4644	>	begin
4645	>	if not assigned(FParser) then
4646	>	FParser := CreateParser;
4647	>	Result := FParser
4648	>	end;
4649	>
4650	>	procedure TIBCustomDataSet.ResetParser;
4651	>	begin
4652	>	if assigned(FParser) then
4653	>	begin
4654	>	FParser.Free;
4655	>	FParser := nil;
4656	>	FQSelect.OnSQLChanged := nil; {Do not react to change}
4657	>	try
4658	>	FQSelect.SQL.Assign(FBaseSQLSelect);
4659	>	finally
4660	>	FQSelect.OnSQLChanged := SQLChanged;
4661	>	end;
4662	>	end;
4663	>	end;
4664	>
4665	>	function TIBCustomDataSet.HasParser: boolean;
4666	>	begin
4667	>	Result := not (csDesigning in ComponentState) and (FParser <> nil)
4668	>	end;
4669	>
4670	>	procedure TIBCustomDataSet.SetGenerateParamNames(AValue: Boolean);
4671		begin
4672	<	Result := FQSelect.Handle;
4672	>	if FGenerateParamNames = AValue then Exit;
4673	>	FGenerateParamNames := AValue;
4674	>	Disconnect
4675		end;
4676
4677		procedure TIBCustomDataSet.InitRecord(Buffer: PChar);
#	Line 3635 \| Line 4845 \| begin
4845		Transaction.StartTransaction;
4846		end;
4847
4848	<	function TIBCustomDataSet.PSGetTableName: string;
4848	>	function TIBCustomDataSet.PsGetTableName: string;
4849		begin
4850		// if not FInternalPrepared then
4851		// InternalPrepare;
#	Line 3682 \| Line 4892 \| begin
4892		ActivateConnection;
4893		ActivateTransaction;
4894		InternalSetParamsFromCursor;
4895	<	Inherited;
4895	>	Inherited InternalOpen;
4896		end;
4897
4898		procedure TIBDataSet.SetFiltered(Value: Boolean);
#	Line 3710 \| Line 4920 \| end;
4920
4921		function TIBCustomDataSet.GetFieldData(Field: TField;
4922		Buffer: Pointer): Boolean;
4923	+	{$IFDEF TBCDFIELD_IS_BCD}
4924		var
4925		lTempCurr : System.Currency;
4926		begin
#	Line 3720 \| Line 4931 \| begin
4931		CurrToBCD(lTempCurr, TBCD(Buffer^), 32, Field.Size);
4932		end
4933		else
4934	+	{$ELSE}
4935	+	begin
4936	+	{$ENDIF}
4937		Result := InternalGetFieldData(Field, Buffer);
4938		end;
4939
#	Line 3733 \| Line 4947 \| begin
4947		end;
4948
4949		procedure TIBCustomDataSet.SetFieldData(Field: TField; Buffer: Pointer);
4950	+	{$IFDEF TDBDFIELD_IS_BCD}
4951		var
4952		lTempCurr : System.Currency;
4953		begin
4954	<	if Field.DataType = ftBCD then
4954	>	if (Field.DataType = ftBCD) and (Buffer <> nil) then
4955		begin
4956		BCDToCurr(TBCD(Buffer^), lTempCurr);
4957		InternalSetFieldData(Field, @lTempCurr);
4958		end
4959		else
4960	+	{$ELSE}
4961	+	begin
4962	+	{$ENDIF}
4963		InternalSetFieldData(Field, Buffer);
4964		end;
4965
#	Line 3765 \| Line 4983 \| end;
4983		destructor TIBDataSetUpdateObject.Destroy;
4984		begin
4985		FRefreshSQL.Free;
4986	<	inherited destroy;
4986	>	inherited Destroy;
4987		end;
4988
4989	<	procedure TIBDataSetUpdateObject.SetRefreshSQL(Value: TStrings);
4989	>	procedure TIBDataSetUpdateObject.SetRefreshSQL(value: TStrings);
4990		begin
4991		FRefreshSQL.Assign(Value);
4992		end;
4993
4994	+	procedure TIBDataSetUpdateObject.InternalSetParams(Params: ISQLParams;
4995	+	buff: PChar);
4996	+	begin
4997	+	if not Assigned(DataSet) then Exit;
4998	+	DataSet.SetInternalSQLParams(Params, buff);
4999	+	end;
5000	+
5001	+	procedure TIBDataSetUpdateObject.InternalSetParams(Query: TIBSQL; buff: PChar);
5002	+	begin
5003	+	InternalSetParams(Query.Params,buff);
5004	+	end;
5005	+
5006	+	procedure TIBDataSetUpdateObject.UpdateRecordFromQuery(QryResults: IResults;
5007	+	Buffer: PChar);
5008	+	begin
5009	+	if not Assigned(DataSet) then Exit;
5010	+	DataSet.UpdateRecordFromQuery(QryResults, Buffer);
5011	+	end;
5012	+
5013	+	function TIBDSBlobStream.GetSize: Int64;
5014	+	begin
5015	+	Result := FBlobStream.BlobSize;
5016	+	end;
5017	+
5018		{ TIBDSBlobStream }
5019		constructor TIBDSBlobStream.Create(AField: TField; ABlobStream: TIBBlobStream;
5020		Mode: TBlobStreamMode);
#	Line 3781 \| Line 5023 \| begin
5023		FBlobStream := ABlobStream;
5024		FBlobStream.Seek(0, soFromBeginning);
5025		if (Mode = bmWrite) then
5026	+	begin
5027		FBlobStream.Truncate;
5028	+	TIBCustomDataSet(FField.DataSet).RecordModified(True);
5029	+	TBlobField(FField).Modified := true;
5030	+	FHasWritten := true;
5031	+	end;
5032	+	end;
5033	+
5034	+	destructor TIBDSBlobStream.Destroy;
5035	+	begin
5036	+	if FHasWritten then
5037	+	TIBCustomDataSet(FField.DataSet).DataEvent(deFieldChange, PtrInt(FField));
5038	+	inherited Destroy;
5039		end;
5040
5041		function TIBDSBlobStream.Read(var Buffer; Count: Longint): Longint;
#	Line 3804 \| Line 5058 \| begin
5058		if not (FField.DataSet.State in [dsEdit, dsInsert]) then
5059		IBError(ibxeNotEditing, [nil]);
5060		TIBCustomDataSet(FField.DataSet).RecordModified(True);
5061	+	TBlobField(FField).Modified := true;
5062		result := FBlobStream.Write(Buffer, Count);
5063	<	TIBCustomDataSet(FField.DataSet).DataEvent(deFieldChange, Longint(FField));
5063	>	FHasWritten := true;
5064	>	{ TIBCustomDataSet(FField.DataSet).DataEvent(deFieldChange, PtrInt(FField));
5065	>	Removed as this caused a seek to beginning of the blob stream thus corrupting
5066	>	the blob stream. Moved to the destructor i.e. called after blob written}
5067	>	end;
5068	>
5069	>	{ TIBGenerator }
5070	>
5071	>	procedure TIBGenerator.SetIncrement(const AValue: integer);
5072	>	begin
5073	>	if FIncrement = AValue then Exit;
5074	>	if AValue < 0 then
5075	>	IBError(ibxeNegativeGenerator,[]);
5076	>	FIncrement := AValue;
5077	>	SetQuerySQL;
5078	>	end;
5079	>
5080	>	procedure TIBGenerator.SetTransaction(AValue: TIBTransaction);
5081	>	begin
5082	>	FQuery.Transaction := AValue;
5083	>	end;
5084	>
5085	>	procedure TIBGenerator.SetQuerySQL;
5086	>	begin
5087	>	FQuery.SQL.Text := Format('Select Gen_ID(%s,%d) From RDB$Database',[FGeneratorName,Increment]);
5088	>	end;
5089	>
5090	>	function TIBGenerator.GetDatabase: TIBDatabase;
5091	>	begin
5092	>	Result := FQuery.Database;
5093	>	end;
5094	>
5095	>	function TIBGenerator.GetTransaction: TIBTransaction;
5096	>	begin
5097	>	Result := FQuery.Transaction;
5098	>	end;
5099	>
5100	>	procedure TIBGenerator.SetDatabase(AValue: TIBDatabase);
5101	>	begin
5102	>	FQuery.Database := AValue;
5103	>	end;
5104	>
5105	>	procedure TIBGenerator.SetGeneratorName(AValue: string);
5106	>	begin
5107	>	if FGeneratorName = AValue then Exit;
5108	>	FGeneratorName := AValue;
5109	>	SetQuerySQL;
5110		end;
5111
5112	+	function TIBGenerator.GetNextValue: integer;
5113	+	begin
5114	+	with FQuery do
5115	+	begin
5116	+	Transaction.Active := true;
5117	+	ExecQuery;
5118	+	try
5119	+	Result := Fields[0].AsInteger
5120	+	finally
5121	+	Close
5122	+	end;
5123	+	end;
5124	+	end;
5125	+
5126	+	constructor TIBGenerator.Create(Owner: TIBCustomDataSet);
5127	+	begin
5128	+	FOwner := Owner;
5129	+	FIncrement := 1;
5130	+	FQuery := TIBSQL.Create(nil);
5131	+	end;
5132	+
5133	+	destructor TIBGenerator.Destroy;
5134	+	begin
5135	+	if assigned(FQuery) then FQuery.Free;
5136	+	inherited Destroy;
5137	+	end;
5138	+
5139	+
5140	+	procedure TIBGenerator.Apply;
5141	+	begin
5142	+	if assigned(Database) and assigned(Transaction) and
5143	+	(FGeneratorName <> '') and (FFieldName <> '') and Owner.FieldByName(FFieldName).IsNull then
5144	+	Owner.FieldByName(FFieldName).AsInteger := GetNextValue;
5145	+	end;
5146	+
5147	+
5148		end.

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing ibx/trunk/runtime/IBCustomDataSet.pas (file contents): Revision 1 by tony, Mon Jul 31 16:43:00 2000 UTC vs. Revision 104 by tony, Thu Jan 18 14:37:29 2018 UTC

Diff Legend

Comparing ibx/trunk/runtime/IBCustomDataSet.pas (file contents):
Revision 1 by tony, Mon Jul 31 16:43:00 2000 UTC vs.
Revision 104 by tony, Thu Jan 18 14:37:29 2018 UTC