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

Comparing ibx/trunk/runtime/IBCustomDataSet.pas (file contents):
Revision 33 by tony, Sat Jul 18 12:30:52 2015 UTC vs.
Revision 107 by tony, Thu Jan 18 14:37:40 2018 UTC

#	Line 27 \| Line 27
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 }
30	>	{ Associates Ltd 2011 - 2015 }
31		{ }
32		{************************************************************************}
33
#	Line 35 \| Line 35 \| unit IBCustomDataSet;
35
36		{$R-}
37
38	+	{$IFDEF FPC}
39		{$Mode Delphi}
40	+	{$codepage UTF8}
41	+	{$ENDIF}
42
43		{$IFDEF DELPHI}
44		{$DEFINE TDBDFIELD_IS_BCD}
#	Line 49 \| Line 52 \| uses
52		{$ELSE}
53		unix,
54		{$ENDIF}
55	<	SysUtils, Classes, IBDatabase, IBExternals, IB, IBHeader, IBSQL, Db,
56	<	IBUtils, IBBlob, IBSQLParser;
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 71 \| Line 74 \| type
74		procedure SetDataSet(ADataSet: TIBCustomDataSet); virtual; abstract;
75		procedure Apply(UpdateKind: TUpdateKind; buff: PChar); virtual; abstract;
76		function GetSQL(UpdateKind: TUpdateKind): TStrings; virtual; abstract;
77	<	procedure InternalSetParams(Query: TIBSQL; buff: PChar);
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 82 \| Line 87 \| type
87
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 104 \| 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;
#	Line 116 \| 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	<	FInitialised: boolean;
182	>	FCharacterSetName: RawByteString;
183	>	FCharacterSetSize: integer;
184	>	FAutoFieldSize: boolean;
185	>	FCodePage: TSystemCodePage;
186	>	FDataSize: integer;
187		protected
188	<	procedure SetSize(AValue: Integer); override;
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 140 \| 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 148 \| 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 176 \| Line 315 \| type
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(ADatabase: TIBDatabase; ATransaction: TIBTransaction): integer;
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 FGeneratorName;
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;
#	Line 207 \| Line 356 \| type
356		TIBAutoCommit = (acDisabled, acCommitRetaining);
357
358		{ TIBCustomDataSet }
359	+
360		TIBUpdateAction = (uaFail, uaAbort, uaSkip, uaRetry, uaApply, uaApplied);
361
362		TIBUpdateErrorEvent = procedure(DataSet: TDataSet; E: EDatabaseError;
#	Line 223 \| Line 373 \| type
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;
232	–	FIBLoaded: Boolean;
385		FBase: TIBBase;
386		FBlobCacheOffset: Integer;
387		FBlobStreamList: TList;
388	+	FArrayList: TList;
389		FBufferChunks: Integer;
390		FBufferCache,
391		FOldBufferCache: PChar;
#	Line 258 \| Line 411 \| type
411		FQRefresh,
412		FQSelect,
413		FQModify: TIBSQL;
414	+	FDatabaseInfo: TIBDatabaseInfo;
415		FRecordBufferSize: Integer;
416		FRecordCount: Integer;
417		FRecordSize: Integer;
#	Line 286 \| Line 440 \| type
440		FCloseAction: TTransactionAction;
441		FInTransactionEnd: boolean;
442		FIBLinks: TList;
443	<	function GetSelectStmtHandle: TISC_STMT_HANDLE;
443	>	FFieldColumns: PFieldColumns;
444	>	FBufferUpdatedOnQryReturn: boolean;
445	>	procedure ColumnDataToBuffer(QryResults: IResults; ColumnIndex,
446	>	FieldIndex: integer; Buffer: PChar);
447	>	procedure InitModelBuffer(Qry: TIBSQL; Buffer: PChar);
448	>	function GetSelectStmtIntf: IStatement;
449		procedure SetUpdateMode(const Value: TUpdateMode);
450		procedure SetUpdateObject(Value: TIBDataSetUpdateObject);
451
#	Line 298 \| Line 457 \| type
457		function CanRefresh: Boolean;
458		procedure CheckEditState;
459		procedure ClearBlobCache;
460	+	procedure ClearArrayCache;
461		procedure ClearIBLinks;
462		procedure CopyRecordBuffer(Source, Dest: Pointer);
463		procedure DoBeforeDatabaseDisconnect(Sender: TObject);
#	Line 309 \| Line 469 \| type
469		procedure FetchCurrentRecordToBuffer(Qry: TIBSQL; RecordNumber: Integer;
470		Buffer: PChar);
471		function GetDatabase: TIBDatabase;
312	–	function GetDBHandle: PISC_DB_HANDLE;
472		function GetDeleteSQL: TStrings;
473		function GetInsertSQL: TStrings;
474	<	function GetSQLParams: TIBXSQLDA;
474	>	function GetSQLParams: ISQLParams;
475		function GetRefreshSQL: TStrings;
476		function GetSelectSQL: TStrings;
477	<	function GetStatementType: TIBSQLTypes;
477	>	function GetStatementType: TIBSQLStatementTypes;
478		function GetModifySQL: TStrings;
479		function GetTransaction: TIBTransaction;
321	–	function GetTRHandle: PISC_TR_HANDLE;
480		function GetParser: TSelectSQLParser;
481		procedure InternalDeleteRecord(Qry: TIBSQL; Buff: Pointer); virtual;
482		function InternalLocate(const KeyFields: string; const KeyValues: Variant;
#	Line 333 \| Line 491 \| type
491		procedure SetDatabase(Value: TIBDatabase);
492		procedure SetDeleteSQL(Value: TStrings);
493		procedure SetInsertSQL(Value: TStrings);
494	<	procedure SetInternalSQLParams(Qry: TIBSQL; Buffer: Pointer);
494	>	procedure SetInternalSQLParams(Params: ISQLParams; Buffer: Pointer);
495		procedure SetRefreshSQL(Value: TStrings);
496		procedure SetSelectSQL(Value: TStrings);
497		procedure SetModifySQL(Value: TStrings);
498		procedure SetTransaction(Value: TIBTransaction);
499		procedure SetUpdateRecordTypes(Value: TIBUpdateRecordTypes);
500		procedure SetUniDirectional(Value: Boolean);
501	+	procedure UpdateRecordFromQuery(QryResults: IResults; Buffer: PChar);
502		procedure RefreshParams;
344	–	procedure SQLChanging(Sender: TObject); virtual;
503		function AdjustPosition(FCache: PChar; Offset: DWORD;
504		Origin: Integer): DWORD;
505		procedure ReadCache(FCache: PChar; Offset: DWORD; Origin: Integer;
#	Line 371 \| Line 529 \| type
529		procedure InternalRefreshRow; virtual;
530		procedure InternalSetParamsFromCursor; virtual;
531		procedure CheckNotUniDirectional;
532	+	procedure SQLChanging(Sender: TObject); virtual;
533	+	procedure SQLChanged(Sender: TObject); virtual;
534
535	<	(* { IProviderSupport }
535	>	{ IProviderSupport }
536		procedure PSEndTransaction(Commit: Boolean); override;
537		function PSExecuteStatement(const ASQL: string; AParams: TParams;
538		ResultSet: Pointer = nil): Integer; override;
#	Line 385 \| Line 545 \| type
545		procedure PSStartTransaction; override;
546		procedure PSReset; override;
547		function PSUpdateRecord(UpdateKind: TUpdateKind; Delta: TDataSet): Boolean; override;
548	<	*)
548	>
549		{ TDataSet support }
550		procedure InternalInsert; override;
551		procedure InitRecord(Buffer: PChar); override;
#	Line 449 \| Line 609 \| type
609		protected
610		{Likely to be made public by descendant classes}
611		property AutoCommit: TIBAutoCommit read FAutoCommit write FAutoCommit default acDisabled;
612	<	property SQLParams: TIBXSQLDA read GetSQLParams;
613	<	property Params: TIBXSQLDA read GetSQLParams;
612	>	property SQLParams: ISQLParams read GetSQLParams;
613	>	property Params: ISQLParams read GetSQLParams;
614		property InternalPrepared: Boolean read FInternalPrepared;
615		property QDelete: TIBSQL read FQDelete;
616		property QInsert: TIBSQL read FQInsert;
617		property QRefresh: TIBSQL read FQRefresh;
618		property QSelect: TIBSQL read FQSelect;
619		property QModify: TIBSQL read FQModify;
620	<	property StatementType: TIBSQLTypes read GetStatementType;
621	<	property SelectStmtHandle: TISC_STMT_HANDLE read GetSelectStmtHandle;
620	>	property StatementType: TIBSQLStatementTypes read GetStatementType;
621	>	property SelectStmtHandle: IStatement read GetSelectStmtIntf;
622
623		{Likely to be made published by descendant classes}
624		property BufferChunks: Integer read FBufferChunks write SetBufferChunks;
#	Line 502 \| Line 662 \| type
662		procedure RecordModified(Value: Boolean);
663		procedure RevertRecord;
664		procedure Undelete;
665	<	procedure ResetParser;
665	>	procedure ResetParser; virtual;
666		function HasParser: boolean;
667
668		{ TDataSet support methods }
669		function BookmarkValid(Bookmark: TBookmark): Boolean; override;
670		function CompareBookmarks(Bookmark1, Bookmark2: TBookmark): Integer; override;
671		function CreateBlobStream(Field: TField; Mode: TBlobStreamMode): TStream; override;
672	+	function GetArray(Field: TIBArrayField): IArray;
673	+	procedure SetArrayIntf(AnArray: IArray; Field: TIBArrayField);
674		function GetCurrentRecord(Buffer: PChar): Boolean; override;
675		function GetFieldData(Field : TField; Buffer : Pointer) : Boolean; overload; override;
676		function GetFieldData(FieldNo: Integer; Buffer: Pointer): Boolean; overload; (override;)
#	Line 522 \| Line 684 \| type
684		function UpdateStatus: TUpdateStatus; override;
685		function IsSequenced: Boolean; override;
686		procedure Post; override;
687	<	function ParamByName(ParamName: String): TIBXSQLVAR;
688	<	property DBHandle: PISC_DB_HANDLE read GetDBHandle;
689	<	property TRHandle: PISC_TR_HANDLE read GetTRHandle;
687	>	function ParamByName(ParamName: String): ISQLParam;
688	>	property ArrayFieldCount: integer read FArrayFieldCount;
689	>	property DatabaseInfo: TIBDatabaseInfo read FDatabaseInfo;
690		property UpdateObject: TIBDataSetUpdateObject read FUpdateObject write SetUpdateObject;
691		property UpdatesPending: Boolean read FUpdatesPending;
692		property UpdateRecordTypes: TIBUpdateRecordTypes read FUpdateRecordTypes
#	Line 533 \| Line 695 \| type
695		read FDataSetCloseAction write FDataSetCloseAction;
696
697		published
698	+	property AllowAutoActivateTransaction: Boolean read FAllowAutoActivateTransaction
699	+	write FAllowAutoActivateTransaction;
700		property Database: TIBDatabase read GetDatabase write SetDatabase;
701		property Transaction: TIBTransaction read GetTransaction
702		write SetTransaction;
#	Line 662 \| Line 826 \| type
826		protected
827		FField: TField;
828		FBlobStream: TIBBlobStream;
829	+	function GetSize: Int64; override;
830		public
831		constructor Create(AField: TField; ABlobStream: TIBBlobStream;
832		Mode: TBlobStreamMode);
#	Line 672 \| Line 837 \| type
837		function Write(const Buffer; Count: Longint): Longint; override;
838		end;
839
840	+	{Extended Field Def for character set info}
841	+
842	+	{ TIBFieldDef }
843	+
844	+	TIBFieldDef = class(TFieldDef)
845	+	private
846	+	FArrayBounds: TArrayBounds;
847	+	FArrayDimensions: integer;
848	+	FCharacterSetName: RawByteString;
849	+	FCharacterSetSize: integer;
850	+	FCodePage: TSystemCodePage;
851	+	FIdentityColumn: boolean;
852	+	FRelationName: string;
853	+	FDataSize: integer;
854	+	published
855	+	property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName;
856	+	property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
857	+	property CodePage: TSystemCodePage read FCodePage write FCodePage;
858	+	property DataSize: integer read FDataSize write FDataSize;
859	+	property RelationName: string read FRelationName write FRelationName;
860	+	property ArrayDimensions: integer read FArrayDimensions write FArrayDimensions;
861	+	property ArrayBounds: TArrayBounds read FArrayBounds write FArrayBounds;
862	+	property IdentityColumn: boolean read FIdentityColumn write FIdentityColumn default false;
863	+	end;
864	+
865		const
866		DefaultFieldClasses: array[TFieldType] of TFieldClass = (
867		nil, { ftUnknown }
868		TIBStringField, { ftString }
869	<	TSmallintField, { ftSmallint }
870	<	TIntegerField, { ftInteger }
869	>	TIBSmallintField, { ftSmallint }
870	>	TIBIntegerField, { ftInteger }
871		TWordField, { ftWord }
872		TBooleanField, { ftBoolean }
873		TFloatField, { ftFloat }
#	Line 690 \| Line 880 \| DefaultFieldClasses: array[TFieldType] o
880		TVarBytesField, { ftVarBytes }
881		TAutoIncField, { ftAutoInc }
882		TBlobField, { ftBlob }
883	<	TMemoField, { ftMemo }
883	>	TIBMemoField, { ftMemo }
884		TGraphicField, { ftGraphic }
885		TBlobField, { ftFmtMemo }
886		TBlobField, { ftParadoxOle }
#	Line 698 \| Line 888 \| DefaultFieldClasses: array[TFieldType] o
888		TBlobField, { ftTypedBinary }
889		nil, { ftCursor }
890		TStringField, { ftFixedChar }
891	<	TWideStringField, { ftWideString }
892	<	TLargeIntField, { ftLargeInt }
891	>	nil, { ftWideString }
892	>	TIBLargeIntField, { ftLargeInt }
893		nil, { ftADT }
894	<	nil, { ftArray }
894	>	TIBArrayField, { ftArray }
895		nil, { ftReference }
896		nil, { ftDataSet }
897		TBlobField, { ftOraBlob }
#	Line 713 \| Line 903 \| DefaultFieldClasses: array[TFieldType] o
903		TDateTimeField, {ftTimestamp}
904		TIBBCDField, {ftFMTBcd}
905		nil, {ftFixedWideChar}
906	<	TWideMemoField); {ftWideMemo}
906	>	nil); {ftWideMemo}
907		(*
908		TADTField, { ftADT }
909		TArrayField, { ftArray }
#	Line 730 \| Line 920 \| DefaultFieldClasses: array[TFieldType] o
920
921		implementation
922
923	<	uses IBIntf, Variants, FmtBCD;
923	>	uses Variants, FmtBCD, LazUTF8, FBMessages, IBQuery;
924
925		const FILE_BEGIN = 0;
926		FILE_CURRENT = 1;
#	Line 743 \| Line 933 \| type
933		FieldName : String;
934		COMPUTED_BLR : Boolean;
935		DEFAULT_VALUE : boolean;
936	+	IDENTITY_COLUMN : boolean;
937		NextField : TFieldNode;
938		end;
939
#	Line 753 \| Line 944 \| type
944		NextRelation : TRelationNode;
945		end;
946
947	+
948	+	{ Copied from LCLProc in order to avoid LCL dependency
949	+
950	+	Ensures the covenient look of multiline string
951	+	when displaying it in the single line
952	+	* Replaces CR and LF with spaces
953	+	* Removes duplicate spaces
954	+	}
955	+	function TextToSingleLine(const AText: string): string;
956	+	var
957	+	str: string;
958	+	i, wstart, wlen: Integer;
959	+	begin
960	+	str := Trim(AText);
961	+	wstart := 0;
962	+	wlen := 0;
963	+	i := 1;
964	+	while i < Length(str) - 1 do
965	+	begin
966	+	if (str[i] in [' ', #13, #10]) then
967	+	begin
968	+	if (wstart = 0) then
969	+	begin
970	+	wstart := i;
971	+	wlen := 1;
972	+	end else
973	+	Inc(wlen);
974	+	end else
975	+	begin
976	+	if wstart > 0 then
977	+	begin
978	+	str[wstart] := ' ';
979	+	Delete(str, wstart+1, wlen-1);
980	+	Dec(i, wlen-1);
981	+	wstart := 0;
982	+	end;
983	+	end;
984	+	Inc(i);
985	+	end;
986	+	Result := str;
987	+	end;
988	+
989	+	{ TIBLargeIntField }
990	+
991	+	procedure TIBLargeIntField.Bind(Binding: Boolean);
992	+	begin
993	+	inherited Bind(Binding);
994	+	if Binding and (FieldDef <> nil) then
995	+	FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
996	+	end;
997	+
998	+	{ TIBIntegerField }
999	+
1000	+	procedure TIBIntegerField.Bind(Binding: Boolean);
1001	+	begin
1002	+	inherited Bind(Binding);
1003	+	if Binding and (FieldDef <> nil) then
1004	+	FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
1005	+	end;
1006	+
1007	+	{ TIBSmallintField }
1008	+
1009	+	procedure TIBSmallintField.Bind(Binding: Boolean);
1010	+	begin
1011	+	inherited Bind(Binding);
1012	+	if Binding and (FieldDef <> nil) then
1013	+	FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
1014	+	end;
1015	+
1016	+	{ TIBArray }
1017	+
1018	+	procedure TIBArray.EventHandler(Sender: IArray; Reason: TArrayEventReason);
1019	+	begin
1020	+	case Reason of
1021	+	arChanging:
1022	+	if FRecNo <> FField.Dataset.RecNo then
1023	+	IBError(ibxeNotCurrentArray,[nil]);
1024	+
1025	+	arChanged:
1026	+	FField.DataChanged;
1027	+	end;
1028	+	end;
1029	+
1030	+	constructor TIBArray.Create(aField: TIBArrayField; anArray: IArray);
1031	+	begin
1032	+	inherited Create;
1033	+	FField := aField;
1034	+	FArray := anArray;
1035	+	FRecNo := FField.Dataset.RecNo;
1036	+	FArray.AddEventHandler(EventHandler);
1037	+	end;
1038	+
1039	+	destructor TIBArray.Destroy;
1040	+	begin
1041	+	FArray.RemoveEventHandler(EventHandler);
1042	+	inherited Destroy;
1043	+	end;
1044	+
1045	+	{ TIBArrayField }
1046	+
1047	+	function TIBArrayField.GetArrayIntf: IArray;
1048	+	begin
1049	+	Result := TIBCustomDataSet(DataSet).GetArray(self);
1050	+	end;
1051	+
1052	+	function TIBArrayField.GetArrayID: TISC_QUAD;
1053	+	begin
1054	+	GetData(@Result);
1055	+	end;
1056	+
1057	+	procedure TIBArrayField.SetArrayIntf(AValue: IArray);
1058	+	begin
1059	+	TIBCustomDataSet(DataSet).SetArrayIntf(AValue,self);
1060	+	DataChanged;
1061	+	end;
1062	+
1063	+	class procedure TIBArrayField.CheckTypeSize(AValue: Longint);
1064	+	begin
1065	+	//Ignore
1066	+	end;
1067	+
1068	+	function TIBArrayField.GetAsString: string;
1069	+	begin
1070	+	Result := '(Array)';
1071	+	end;
1072	+
1073	+	function TIBArrayField.GetDataSize: Integer;
1074	+	begin
1075	+	Result := sizeof(TISC_QUAD);
1076	+	end;
1077	+
1078	+	procedure TIBArrayField.Bind(Binding: Boolean);
1079	+	begin
1080	+	inherited Bind(Binding);
1081	+	if Binding then
1082	+	begin
1083	+	FCacheOffset := TIBCustomDataSet(DataSet).ArrayFieldCount;
1084	+	Inc(TIBCustomDataSet(DataSet).FArrayFieldCount);
1085	+	if FieldDef <> nil then
1086	+	begin
1087	+	FRelationName := TIBFieldDef(FieldDef).FRelationName;
1088	+	FArrayDimensions := TIBFieldDef(FieldDef).ArrayDimensions;
1089	+	FArrayBounds := TIBFieldDef(FieldDef).ArrayBounds;
1090	+	end;
1091	+	end;
1092	+	end;
1093	+
1094	+	constructor TIBArrayField.Create(AOwner: TComponent);
1095	+	begin
1096	+	inherited Create(AOwner);
1097	+	SetDataType(ftArray);
1098	+	end;
1099	+
1100	+	function TIBArrayField.CreateArray: IArray;
1101	+	begin
1102	+	with DataSet as TIBCustomDataSet do
1103	+	Result := Database.Attachment.CreateArray(Transaction.TransactionIntf,FRelationName,FieldName);
1104	+	end;
1105	+
1106	+	{ TIBMemoField }
1107	+
1108	+	function TIBMemoField.GetTruncatedText: string;
1109	+	begin
1110	+	Result := GetAsString;
1111	+
1112	+	if Result <> '' then
1113	+	begin
1114	+	case CharacterSetSize of
1115	+	1:
1116	+	if DisplayWidth = 0 then
1117	+	Result := TextToSingleLine(Result)
1118	+	else
1119	+	if Length(Result) > DisplayWidth then {Show truncation with elipses}
1120	+	Result := TextToSingleLine(system.copy(Result,1,DisplayWidth-3)) + '...';
1121	+
1122	+	{2: case 2 ignored. This should be handled by TIBWideMemo}
1123	+
1124	+	3, {Assume UNICODE_FSS is really UTF8}
1125	+	4: {Include GB18030 - assuming UTF8 routines work for this codeset}
1126	+	if DisplayWidth = 0 then
1127	+	Result := ValidUTF8String(TextToSingleLine(Result))
1128	+	else
1129	+	if UTF8Length(Result) > DisplayWidth then {Show truncation with elipses}
1130	+	Result := ValidUTF8String(TextToSingleLine(UTF8Copy(Result,1,DisplayWidth-3))) + '...';
1131	+	end;
1132	+	end
1133	+	end;
1134	+
1135	+	procedure TIBMemoField.Bind(Binding: Boolean);
1136	+	var IBFieldDef: TIBFieldDef;
1137	+	begin
1138	+	inherited Bind(Binding);
1139	+	if Binding and (FieldDef <> nil) then
1140	+	begin
1141	+	IBFieldDef := FieldDef as TIBFieldDef;
1142	+	CharacterSetSize := IBFieldDef.CharacterSetSize;
1143	+	CharacterSetName := IBFieldDef.CharacterSetName;
1144	+	CodePage := IBFieldDef.CodePage;
1145	+	end;
1146	+	end;
1147	+
1148	+	function TIBMemoField.GetAsString: string;
1149	+	var s: RawByteString;
1150	+	begin
1151	+	s := inherited GetAsString;
1152	+	SetCodePage(s,CodePage,false);
1153	+	if (CodePage <> CP_NONE) and (CodePage <> CP_UTF8) then
1154	+	SetCodePage(s,CP_UTF8,true); {LCL only accepts UTF8}
1155	+	Result := s;
1156	+	end;
1157	+
1158	+	function TIBMemoField.GetDefaultWidth: Longint;
1159	+	begin
1160	+	if DisplayTextAsClassName then
1161	+	Result := inherited
1162	+	else
1163	+	Result := 128;
1164	+	end;
1165	+
1166	+	procedure TIBMemoField.GetText(var AText: string; ADisplayText: Boolean);
1167	+	begin
1168	+	if ADisplayText then
1169	+	begin
1170	+	if not DisplayTextAsClassName and (CharacterSetName <> '') then
1171	+	AText := GetTruncatedText
1172	+	else
1173	+	inherited GetText(AText, ADisplayText);
1174	+	end
1175	+	else
1176	+	AText := GetAsString;
1177	+	end;
1178	+
1179	+	procedure TIBMemoField.SetAsString(const AValue: string);
1180	+	var s: RawByteString;
1181	+	begin
1182	+	s := AValue;
1183	+	if StringCodePage(s) <> CodePage then
1184	+	SetCodePage(s,CodePage,CodePage<>CP_NONE);
1185	+	inherited SetAsString(s);
1186	+	end;
1187	+
1188	+	constructor TIBMemoField.Create(AOwner: TComponent);
1189	+	begin
1190	+	inherited Create(AOwner);
1191	+	BlobType := ftMemo;
1192	+	FCodePage := CP_NONE;
1193	+	end;
1194	+
1195		{ TIBControlLink }
1196
1197		destructor TIBControlLink.Destroy;
#	Line 784 \| Line 1223 \| end;
1223
1224		{ TIBStringField}
1225
1226	<	constructor TIBStringField.create(AOwner: TComponent);
1226	>	procedure TIBStringField.Bind(Binding: Boolean);
1227	>	var IBFieldDef: TIBFieldDef;
1228		begin
1229	<	inherited Create(AOwner);
1229	>	inherited Bind(Binding);
1230	>	if Binding and (FieldDef <> nil) then
1231	>	begin
1232	>	IBFieldDef := FieldDef as TIBFieldDef;
1233	>	CharacterSetSize := IBFieldDef.CharacterSetSize;
1234	>	CharacterSetName := IBFieldDef.CharacterSetName;
1235	>	FDataSize := IBFieldDef.DataSize + 1;
1236	>	if AutoFieldSize then
1237	>	Size := IBFieldDef.Size;
1238	>	CodePage := IBFieldDef.CodePage;
1239	>	end;
1240	>	end;
1241	>
1242	>	function TIBStringField.GetDataSize: Integer;
1243	>	begin
1244	>	Result := FDataSize;
1245	>	end;
1246	>
1247	>	constructor TIBStringField.Create(aOwner: TComponent);
1248	>	begin
1249	>	inherited Create(aOwner);
1250	>	FCharacterSetSize := 1;
1251	>	FCodePage := CP_NONE;
1252	>	FAutoFieldSize := true;
1253		end;
1254
1255		class procedure TIBStringField.CheckTypeSize(Value: Integer);
#	Line 809 \| Line 1272 \| end;
1272		function TIBStringField.GetValue(var Value: string): Boolean;
1273		var
1274		Buffer: PChar;
1275	+	s: RawByteString;
1276		begin
1277		Buffer := nil;
1278	<	IBAlloc(Buffer, 0, Size + 1);
1278	>	IBAlloc(Buffer, 0, DataSize);
1279		try
1280		Result := GetData(Buffer);
1281		if Result then
1282		begin
1283	<	Value := string(Buffer);
1283	>	s := strpas(Buffer);
1284	>	SetCodePage(s,CodePage,false);
1285	>	if (CodePage <> CP_NONE) and (CodePage <> CP_UTF8) then
1286	>	SetCodePage(s,CP_UTF8,true); {LCL only accepts UTF8}
1287	>	Value := s;
1288	>	// writeln(FieldName,': ', StringCodePage(Value),', ',Value);
1289		if Transliterate and (Value <> '') then
1290		DataSet.Translate(PChar(Value), PChar(Value), False);
1291		end
#	Line 828 \| Line 1297 \| end;
1297		procedure TIBStringField.SetAsString(const Value: string);
1298		var
1299		Buffer: PChar;
1300	+	s: RawByteString;
1301		begin
1302		Buffer := nil;
1303	<	IBAlloc(Buffer, 0, Size + 1);
1303	>	IBAlloc(Buffer, 0, DataSize);
1304		try
1305	<	StrLCopy(Buffer, PChar(Value), Size);
1305	>	s := Value;
1306	>	if StringCodePage(s) <> CodePage then
1307	>	SetCodePage(s,CodePage,CodePage<>CP_NONE);
1308	>	StrLCopy(Buffer, PChar(s), DataSize-1);
1309		if Transliterate then
1310		DataSet.Translate(Buffer, Buffer, True);
1311		SetData(Buffer);
#	Line 841 \| Line 1314 \| begin
1314		end;
1315		end;
1316
844	–	procedure TIBStringField.SetSize(AValue: Integer);
845	–	var FieldSize: integer;
846	–	begin
847	–	if csLoading in ComponentState then
848	–	FInitialised := true;
849	–	if FInitialised then
850	–	inherited SetSize(AValue)
851	–	else
852	–	begin
853	–	{IBCustomDataSet encodes the CharWidth size in the size}
854	–	FieldSize := AValue div 4;
855	–	inherited SetSize(FieldSize);
856	–	DisplayWidth := FieldSize div ((AValue mod 4) + 1);
857	–	FInitialised := true;
858	–	end;
859	–	end;
1317
1318		{ TIBBCDField }
1319
#	Line 867 \| Line 1324 \| begin
1324		Size := 8;
1325		end;
1326
1327	+	procedure TIBBCDField.Bind(Binding: Boolean);
1328	+	begin
1329	+	inherited Bind(Binding);
1330	+	if Binding and (FieldDef <> nil) then
1331	+	FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
1332	+	end;
1333	+
1334		class procedure TIBBCDField.CheckTypeSize(Value: Integer);
1335		begin
1336		{ No need to check as the base type is currency, not BCD }
#	Line 951 \| Line 1415 \| end;
1415		constructor TIBCustomDataSet.Create(AOwner: TComponent);
1416		begin
1417		inherited Create(AOwner);
954	–	FIBLoaded := False;
955	–	CheckIBLoaded;
956	–	FIBLoaded := True;
1418		FBase := TIBBase.Create(Self);
1419	+	FDatabaseInfo := TIBDatabaseInfo.Create(self);
1420		FIBLinks := TList.Create;
1421		FCurrentRecord := -1;
1422		FDeletedRecords := 0;
1423		FUniDirectional := False;
1424		FBufferChunks := BufferCacheSize;
1425		FBlobStreamList := TList.Create;
1426	+	FArrayList := TList.Create;
1427		FGeneratorField := TIBGenerator.Create(self);
1428		FDataLink := TIBDataLink.Create(Self);
1429		FQDelete := TIBSQL.Create(Self);
#	Line 974 \| Line 1437 \| begin
1437		FQRefresh.GoToFirstRecordOnExecute := False;
1438		FQSelect := TIBSQL.Create(Self);
1439		FQSelect.OnSQLChanging := SQLChanging;
1440	+	FQSelect.OnSQLChanged := SQLChanged;
1441		FQSelect.GoToFirstRecordOnExecute := False;
1442		FQModify := TIBSQL.Create(Self);
1443		FQModify.OnSQLChanging := SQLChanging;
#	Line 1003 \| Line 1467 \| end;
1467		destructor TIBCustomDataSet.Destroy;
1468		begin
1469		if Active then Active := false;
1470	<	if FIBLoaded then
1471	<	begin
1472	<	if assigned(FGeneratorField) then FGeneratorField.Free;
1473	<	FDataLink.Free;
1474	<	FBase.Free;
1475	<	ClearBlobCache;
1476	<	ClearIBLinks;
1477	<	FIBLinks.Free;
1478	<	FBlobStreamList.Free;
1479	<	FreeMem(FBufferCache);
1480	<	FBufferCache := nil;
1481	<	FreeMem(FOldBufferCache);
1482	<	FOldBufferCache := nil;
1483	<	FCacheSize := 0;
1484	<	FOldCacheSize := 0;
1021	<	FMappedFieldPosition := nil;
1022	<	end;
1470	>	if assigned(FGeneratorField) then FGeneratorField.Free;
1471	>	FDataLink.Free;
1472	>	FBase.Free;
1473	>	ClearBlobCache;
1474	>	ClearIBLinks;
1475	>	FIBLinks.Free;
1476	>	FBlobStreamList.Free;
1477	>	FArrayList.Free;
1478	>	FreeMem(FBufferCache);
1479	>	FBufferCache := nil;
1480	>	FreeMem(FOldBufferCache);
1481	>	FOldBufferCache := nil;
1482	>	FCacheSize := 0;
1483	>	FOldCacheSize := 0;
1484	>	FMappedFieldPosition := nil;
1485		if assigned(FBaseSQLSelect) then FBaseSQLSelect.Free;
1486		if assigned(FParser) then FParser.Free;
1487		inherited Destroy;
#	Line 1044 \| Line 1506 \| begin
1506		Inc(FCurrentRecord);
1507		if (FCurrentRecord = FRecordCount) then
1508		begin
1509	<	if (not FQSelect.EOF) and (FQSelect.Next <> nil) then
1509	>	if (not FQSelect.EOF) and FQSelect.Next then
1510		begin
1511		FetchCurrentRecordToBuffer(FQSelect, FCurrentRecord, Buffer);
1512		Inc(FRecordCount);
#	Line 1063 \| Line 1525 \| end;
1525
1526		procedure TIBCustomDataSet.ApplyUpdates;
1527		var
1066	–	{$IF FPC_FULLVERSION >= 20700 }
1528		CurBookmark: TBookmark;
1068	–	{$ELSE}
1069	–	CurBookmark: string;
1070	–	{$ENDIF}
1529		Buffer: PRecordData;
1530		CurUpdateTypes: TIBUpdateRecordTypes;
1531		UpdateAction: TIBUpdateAction;
#	Line 1298 \| Line 1756 \| end;
1756		function TIBCustomDataSet.ActivateTransaction: Boolean;
1757		begin
1758		Result := False;
1759	<	if not Assigned(Transaction) then
1302	<	IBError(ibxeTransactionNotAssigned, [nil]);
1303	<	if not Transaction.Active then
1759	>	if AllowAutoActivateTransaction or (csDesigning in ComponentState) then
1760		begin
1761	<	Result := True;
1762	<	Transaction.StartTransaction;
1763	<	FDidActivate := True;
1761	>	if not Assigned(Transaction) then
1762	>	IBError(ibxeTransactionNotAssigned, [nil]);
1763	>	if not Transaction.Active then
1764	>	begin
1765	>	Result := True;
1766	>	Transaction.StartTransaction;
1767	>	FDidActivate := True;
1768	>	end;
1769		end;
1770		end;
1771
#	Line 1429 \| Line 1890 \| begin
1890		FBlobStreamList.Pack;
1891		end;
1892
1893	+	procedure TIBCustomDataSet.ClearArrayCache;
1894	+	var
1895	+	i: Integer;
1896	+	begin
1897	+	for i := 0 to FArrayList.Count - 1 do
1898	+	begin
1899	+	TIBArray(FArrayList[i]).Free;
1900	+	FArrayList[i] := nil;
1901	+	end;
1902	+	FArrayList.Pack;
1903	+	end;
1904	+
1905		procedure TIBCustomDataSet.CopyRecordBuffer(Source, Dest: Pointer);
1906		begin
1907		Move(Source^, Dest^, FRecordBufferSize);
#	Line 1438 \| Line 1911 \| procedure TIBCustomDataSet.DoBeforeDatab
1911		begin
1912		if Active then
1913		Active := False;
1914	<	FInternalPrepared := False;
1914	>	InternalUnPrepare;
1915		if Assigned(FBeforeDatabaseDisconnect) then
1916		FBeforeDatabaseDisconnect(Sender);
1917		end;
#	Line 1476 \| Line 1949 \| begin
1949		FQModify.FreeHandle;
1950		if FQRefresh <> nil then
1951		FQRefresh.FreeHandle;
1952	+	InternalUnPrepare;
1953		if Assigned(FBeforeTransactionEnd) then
1954		FBeforeTransactionEnd(Sender);
1955		end;
#	Line 1492 \| Line 1966 \| begin
1966		FTransactionFree(Sender);
1967		end;
1968
1969	<	{ Read the record from FQSelect.Current into the record buffer
1970	<	Then write the buffer to in memory cache }
1971	<	procedure TIBCustomDataSet.FetchCurrentRecordToBuffer(Qry: TIBSQL;
1972	<	RecordNumber: Integer; Buffer: PChar);
1973	<	var
1500	<	p: PRecordData;
1501	<	pbd: PBlobDataArray;
1502	<	i, j: Integer;
1503	<	LocalData: Pointer;
1504	<	LocalDate, LocalDouble: Double;
1505	<	LocalInt: Integer;
1506	<	LocalBool: wordBool;
1507	<	LocalInt64: Int64;
1508	<	LocalCurrency: Currency;
1509	<	FieldsLoaded: Integer;
1510	<	temp: TIBXSQLVAR;
1969	>	procedure TIBCustomDataSet.InitModelBuffer(Qry: TIBSQL; Buffer: PChar);
1970	>	var i, j: Integer;
1971	>	FieldsLoaded: integer;
1972	>	p: PRecordData;
1973	>	colMetadata: IColumnMetaData;
1974		begin
1975		p := PRecordData(Buffer);
1513	–	{ Make sure blob cache is empty }
1514	–	pbd := PBlobDataArray(Buffer + FBlobCacheOffset);
1515	–	if RecordNumber > -1 then
1516	–	for i := 0 to BlobFieldCount - 1 do
1517	–	pbd^[i] := nil;
1976		{ Get record information }
1977		p^.rdBookmarkFlag := bfCurrent;
1978	<	p^.rdFieldCount := Qry.Current.Count;
1979	<	p^.rdRecordNumber := RecordNumber;
1978	>	p^.rdFieldCount := Qry.FieldCount;
1979	>	p^.rdRecordNumber := -1;
1980		p^.rdUpdateStatus := usUnmodified;
1981		p^.rdCachedUpdateStatus := cusUnmodified;
1982		p^.rdSavedOffset := $FFFFFFFF;
1983
1984		{ Load up the fields }
1985	<	FieldsLoaded := FQSelect.Current.Count;
1985	>	FieldsLoaded := FQSelect.MetaData.Count;
1986		j := 1;
1987	<	for i := 0 to Qry.Current.Count - 1 do
1987	>	for i := 0 to Qry.MetaData.Count - 1 do
1988		begin
1989		if (Qry = FQSelect) then
1990		j := i + 1
1991	<	else begin
1991	>	else
1992	>	begin
1993		if FieldsLoaded = 0 then
1994		break;
1995	<	j := FQSelect.FieldIndex[Qry.Current[i].Name] + 1;
1995	>	j := FQSelect.FieldIndex[Qry[i].Name] + 1;
1996		if j < 1 then
1997		continue
1998		else
1999		Dec(FieldsLoaded);
2000		end;
2001	<	with FQSelect.Current[j - 1].Data^ do
1543	<	if aliasname = 'IBX_INTERNAL_DBKEY' then {do not localize}
1544	<	begin
1545	<	if sqllen <= 8 then
1546	<	p^.rdDBKey := PIBDBKEY(Qry.Current[i].AsPointer)^;
1547	<	continue;
1548	<	end;
1549	<	if j > 0 then with p^ do
2001	>	if j > 0 then
2002		begin
2003	<	rdFields[j].fdDataType :=
2004	<	Qry.Current[i].Data^.sqltype and (not 1);
2005	<	rdFields[j].fdDataScale :=
2006	<	Qry.Current[i].Data^.sqlscale;
2007	<	rdFields[j].fdNullable :=
2008	<	(Qry.Current[i].Data^.sqltype and 1 = 1);
2009	<	rdFields[j].fdIsNull :=
2010	<	(rdFields[j].fdNullable and (Qry.Current[i].Data^.sqlind^ = -1));
2011	<	LocalData := Qry.Current[i].Data^.sqldata;
2012	<	case rdFields[j].fdDataType of
2013	<	SQL_TIMESTAMP:
2003	>	colMetadata := Qry.MetaData[i];
2004	>	with p^.rdFields[j], FFieldColumns^[j] do
2005	>	begin
2006	>	fdDataType := colMetadata.GetSQLType;
2007	>	if fdDataType = SQL_BLOB then
2008	>	fdDataScale := 0
2009	>	else
2010	>	fdDataScale := colMetadata.getScale;
2011	>	fdNullable := colMetadata.getIsNullable;
2012	>	fdIsNull := true;
2013	>	fdDataSize := colMetadata.GetSize;
2014	>	fdDataLength := 0;
2015	>	fdCodePage := CP_NONE;
2016	>
2017	>	case fdDataType of
2018	>	SQL_TIMESTAMP,
2019	>	SQL_TYPE_DATE,
2020	>	SQL_TYPE_TIME:
2021	>	fdDataSize := SizeOf(TDateTime);
2022	>	SQL_SHORT, SQL_LONG:
2023		begin
2024	<	rdFields[j].fdDataSize := SizeOf(TDateTime);
2025	<	if RecordNumber >= 0 then
2026	<	LocalDate := TimeStampToMSecs(DateTimeToTimeStamp(Qry.Current[i].AsDateTime));
2027	<	LocalData := PChar(@LocalDate);
2024	>	if (fdDataScale = 0) then
2025	>	fdDataSize := SizeOf(Integer)
2026	>	else
2027	>	if (fdDataScale >= (-4)) then
2028	>	fdDataSize := SizeOf(Currency)
2029	>	else
2030	>	fdDataSize := SizeOf(Double);
2031		end;
2032	<	SQL_TYPE_DATE:
2032	>	SQL_INT64:
2033		begin
2034	<	rdFields[j].fdDataSize := SizeOf(TDateTime);
2035	<	if RecordNumber >= 0 then
2036	<	LocalInt := DateTimeToTimeStamp(Qry.Current[i].AsDateTime).Date;
2037	<	LocalData := PChar(@LocalInt);
2034	>	if (fdDataScale = 0) then
2035	>	fdDataSize := SizeOf(Int64)
2036	>	else
2037	>	if (fdDataScale >= (-4)) then
2038	>	fdDataSize := SizeOf(Currency)
2039	>	else
2040	>	fdDataSize := SizeOf(Double);
2041		end;
2042	<	SQL_TYPE_TIME:
2042	>	SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
2043	>	fdDataSize := SizeOf(Double);
2044	>	SQL_BOOLEAN:
2045	>	fdDataSize := SizeOf(wordBool);
2046	>	SQL_VARYING,
2047	>	SQL_TEXT,
2048	>	SQL_BLOB:
2049	>	fdCodePage := Qry.Metadata[i].getCodePage;
2050	>	end;
2051	>	fdDataOfs := FRecordSize;
2052	>	Inc(FRecordSize, fdDataSize);
2053	>	end;
2054	>	end;
2055	>	end;
2056	>	end;
2057	>
2058	>	{Update Buffer Fields from Query Results}
2059	>
2060	>	procedure TIBCustomDataSet.UpdateRecordFromQuery(QryResults: IResults;
2061	>	Buffer: PChar);
2062	>	var i, j: integer;
2063	>	begin
2064	>	for i := 0 to QryResults.Count - 1 do
2065	>	begin
2066	>	j := GetFieldPosition(QryResults[i].GetAliasName);
2067	>	if j > 0 then
2068	>	begin
2069	>	ColumnDataToBuffer(QryResults,i,j,Buffer);
2070	>	FBufferUpdatedOnQryReturn := true;
2071	>	end;
2072	>	end;
2073	>	end;
2074	>
2075	>
2076	>	{Move column data returned from query to row buffer}
2077	>
2078	>	procedure TIBCustomDataSet.ColumnDataToBuffer(QryResults: IResults;
2079	>	ColumnIndex, FieldIndex: integer; Buffer: PChar);
2080	>	var
2081	>	LocalData: PByte;
2082	>	LocalDate: TDateTime;
2083	>	LocalDouble: Double;
2084	>	LocalInt: Integer;
2085	>	LocalBool: wordBool;
2086	>	LocalInt64: Int64;
2087	>	LocalCurrency: Currency;
2088	>	ColData: ISQLData;
2089	>	begin
2090	>	LocalData := nil;
2091	>	with PRecordData(Buffer)^.rdFields[FieldIndex], FFieldColumns^[FieldIndex] do
2092	>	begin
2093	>	QryResults.GetData(ColumnIndex,fdIsNull,fdDataLength,LocalData);
2094	>	if not fdIsNull then
2095	>	begin
2096	>	ColData := QryResults[ColumnIndex];
2097	>	case fdDataType of {Get Formatted data for column types that need formatting}
2098	>	SQL_TYPE_DATE,
2099	>	SQL_TYPE_TIME,
2100	>	SQL_TIMESTAMP:
2101		begin
2102	<	rdFields[j].fdDataSize := SizeOf(TDateTime);
2103	<	if RecordNumber >= 0 then
2104	<	LocalInt := DateTimeToTimeStamp(Qry.Current[i].AsDateTime).Time;
1580	<	LocalData := PChar(@LocalInt);
2102	>	{This is an IBX native format and not the TDataset approach. See also GetFieldData}
2103	>	LocalDate := ColData.AsDateTime;
2104	>	LocalData := PByte(@LocalDate);
2105		end;
2106		SQL_SHORT, SQL_LONG:
2107		begin
2108	<	if (rdFields[j].fdDataScale = 0) then
2108	>	if (fdDataScale = 0) then
2109		begin
2110	<	rdFields[j].fdDataSize := SizeOf(Integer);
2111	<	if RecordNumber >= 0 then
1588	<	LocalInt := Qry.Current[i].AsLong;
1589	<	LocalData := PChar(@LocalInt);
2110	>	LocalInt := ColData.AsLong;
2111	>	LocalData := PByte(@LocalInt);
2112		end
2113	<	else if (rdFields[j].fdDataScale >= (-4)) then
2114	<	begin
2115	<	rdFields[j].fdDataSize := SizeOf(Currency);
2116	<	if RecordNumber >= 0 then
2117	<	LocalCurrency := Qry.Current[i].AsCurrency;
2118	<	LocalData := PChar(@LocalCurrency);
2119	<	end
2120	<	else begin
2121	<	rdFields[j].fdDataSize := SizeOf(Double);
2122	<	if RecordNumber >= 0 then
2123	<	LocalDouble := Qry.Current[i].AsDouble;
1602	<	LocalData := PChar(@LocalDouble);
1603	<	end;
2113	>	else
2114	>	if (fdDataScale >= (-4)) then
2115	>	begin
2116	>	LocalCurrency := ColData.AsCurrency;
2117	>	LocalData := PByte(@LocalCurrency);
2118	>	end
2119	>	else
2120	>	begin
2121	>	LocalDouble := ColData.AsDouble;
2122	>	LocalData := PByte(@LocalDouble);
2123	>	end;
2124		end;
2125		SQL_INT64:
2126		begin
2127	<	if (rdFields[j].fdDataScale = 0) then
2127	>	if (fdDataScale = 0) then
2128		begin
2129	<	rdFields[j].fdDataSize := SizeOf(Int64);
2130	<	if RecordNumber >= 0 then
1611	<	LocalInt64 := Qry.Current[i].AsInt64;
1612	<	LocalData := PChar(@LocalInt64);
2129	>	LocalInt64 := ColData.AsInt64;
2130	>	LocalData := PByte(@LocalInt64);
2131		end
2132	<	else if (rdFields[j].fdDataScale >= (-4)) then
2133	<	begin
1616	<	rdFields[j].fdDataSize := SizeOf(Currency);
1617	<	if RecordNumber >= 0 then
1618	<	LocalCurrency := Qry.Current[i].AsCurrency;
1619	<	LocalData := PChar(@LocalCurrency);
1620	<	end
1621	<	else begin
1622	<	rdFields[j].fdDataSize := SizeOf(Double);
1623	<	if RecordNumber >= 0 then
1624	<	LocalDouble := Qry.Current[i].AsDouble;
1625	<	LocalData := PChar(@LocalDouble);
1626	<	end
1627	<	end;
1628	<	SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1629	<	begin
1630	<	rdFields[j].fdDataSize := SizeOf(Double);
1631	<	if RecordNumber >= 0 then
1632	<	LocalDouble := Qry.Current[i].AsDouble;
1633	<	LocalData := PChar(@LocalDouble);
1634	<	end;
1635	<	SQL_VARYING:
1636	<	begin
1637	<	rdFields[j].fdDataSize := Qry.Current[i].Data^.sqllen;
1638	<	rdFields[j].fdDataLength := isc_vax_integer(Qry.Current[i].Data^.sqldata, 2);
1639	<	if RecordNumber >= 0 then
2132	>	else
2133	>	if (fdDataScale >= (-4)) then
2134		begin
2135	<	if (rdFields[j].fdDataLength = 0) then
2136	<	LocalData := nil
2135	>	LocalCurrency := ColData.AsCurrency;
2136	>	LocalData := PByte(@LocalCurrency);
2137	>	end
2138		else
2139		begin
2140	<	temp := Qry.Current[i];
2141	<	LocalData := @temp.Data^.sqldata[2];
2142	<	(* LocalData := @Qry.Current[i].Data^.sqldata[2];*)
1648	<	end;
1649	<	end;
2140	>	LocalDouble := ColData.AsDouble;
2141	>	LocalData := PByte(@LocalDouble);
2142	>	end
2143		end;
2144	<	SQL_BOOLEAN:
2144	>	SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
2145		begin
2146	<	LocalBool:= false;
2147	<	rdFields[j].fdDataSize := SizeOf(wordBool);
1655	<	if RecordNumber >= 0 then
1656	<	LocalBool := Qry.Current[i].AsBoolean;
1657	<	LocalData := PChar(@LocalBool);
2146	>	LocalDouble := ColData.AsDouble;
2147	>	LocalData := PByte(@LocalDouble);
2148		end;
2149	<	else { SQL_TEXT, SQL_BLOB, SQL_ARRAY, SQL_QUAD }
2149	>	SQL_BOOLEAN:
2150		begin
2151	<	rdFields[j].fdDataSize := Qry.Current[i].Data^.sqllen;
2152	<	if (rdFields[j].fdDataType = SQL_TEXT) then
1663	<	rdFields[j].fdDataLength := rdFields[j].fdDataSize;
2151	>	LocalBool := ColData.AsBoolean;
2152	>	LocalData := PByte(@LocalBool);
2153		end;
2154		end;
2155	<	if RecordNumber < 0 then
2155	>
2156	>	if fdDataType = SQL_VARYING then
2157	>	Move(LocalData^, Buffer[fdDataOfs], fdDataLength)
2158	>	else
2159	>	Move(LocalData^, Buffer[fdDataOfs], fdDataSize)
2160	>	end
2161	>	else {Null column}
2162	>	if fdDataType = SQL_VARYING then
2163	>	FillChar(Buffer[fdDataOfs],fdDataLength,0)
2164	>	else
2165	>	FillChar(Buffer[fdDataOfs],fdDataSize,0);
2166	>	end;
2167	>	end;
2168	>
2169	>	{ Read the record from FQSelect.Current into the record buffer
2170	>	Then write the buffer to in memory cache }
2171	>	procedure TIBCustomDataSet.FetchCurrentRecordToBuffer(Qry: TIBSQL;
2172	>	RecordNumber: Integer; Buffer: PChar);
2173	>	var
2174	>	pbd: PBlobDataArray;
2175	>	pda: PArrayDataArray;
2176	>	i, j: Integer;
2177	>	FieldsLoaded: Integer;
2178	>	p: PRecordData;
2179	>	begin
2180	>	if RecordNumber = -1 then
2181	>	begin
2182	>	InitModelBuffer(Qry,Buffer);
2183	>	Exit;
2184	>	end;
2185	>	p := PRecordData(Buffer);
2186	>	{ Make sure blob cache is empty }
2187	>	pbd := PBlobDataArray(Buffer + FBlobCacheOffset);
2188	>	pda := PArrayDataArray(Buffer + FArrayCacheOffset);
2189	>	for i := 0 to BlobFieldCount - 1 do
2190	>	pbd^[i] := nil;
2191	>	for i := 0 to ArrayFieldCount - 1 do
2192	>	pda^[i] := nil;
2193	>
2194	>	{ Get record information }
2195	>	p^.rdBookmarkFlag := bfCurrent;
2196	>	p^.rdFieldCount := Qry.FieldCount;
2197	>	p^.rdRecordNumber := RecordNumber;
2198	>	p^.rdUpdateStatus := usUnmodified;
2199	>	p^.rdCachedUpdateStatus := cusUnmodified;
2200	>	p^.rdSavedOffset := $FFFFFFFF;
2201	>
2202	>	{ Load up the fields }
2203	>	FieldsLoaded := FQSelect.MetaData.Count;
2204	>	j := 1;
2205	>	for i := 0 to Qry.FieldCount - 1 do
2206	>	begin
2207	>	if (Qry = FQSelect) then
2208	>	j := i + 1
2209	>	else
2210	>	begin
2211	>	if FieldsLoaded = 0 then
2212	>	break;
2213	>	j := FQSelect.FieldIndex[Qry[i].Name] + 1;
2214	>	if j < 1 then
2215	>	continue
2216	>	else
2217	>	Dec(FieldsLoaded);
2218	>	end;
2219	>	with FQSelect.MetaData[j - 1] do
2220	>	if GetAliasname = 'IBX_INTERNAL_DBKEY' then {do not localize}
2221		begin
2222	<	rdFields[j].fdIsNull := True;
2223	<	rdFields[j].fdDataOfs := FRecordSize;
2224	<	Inc(FRecordSize, rdFields[j].fdDataSize);
1671	<	end
1672	<	else begin
1673	<	if rdFields[j].fdDataType = SQL_VARYING then
1674	<	begin
1675	<	if LocalData <> nil then
1676	<	Move(LocalData^, Buffer[rdFields[j].fdDataOfs], rdFields[j].fdDataLength)
1677	<	end
1678	<	else
1679	<	Move(LocalData^, Buffer[rdFields[j].fdDataOfs], rdFields[j].fdDataSize)
2222	>	if (GetSize <= 8) then
2223	>	p^.rdDBKey := PIBDBKEY(Qry[i].AsPointer)^;
2224	>	continue;
2225		end;
2226	<	end;
2226	>	if j > 0 then
2227	>	ColumnDataToBuffer(Qry.Current,i,j,Buffer);
2228		end;
2229	<	WriteRecordCache(RecordNumber, PChar(p));
2229	>	WriteRecordCache(RecordNumber, Buffer);
2230		end;
2231
2232		function TIBCustomDataSet.GetActiveBuf: PChar;
#	Line 1725 \| Line 2271 \| begin
2271		result := FBase.Database;
2272		end;
2273
1728	–	function TIBCustomDataSet.GetDBHandle: PISC_DB_HANDLE;
1729	–	begin
1730	–	result := FBase.DBHandle;
1731	–	end;
1732	–
2274		function TIBCustomDataSet.GetDeleteSQL: TStrings;
2275		begin
2276		result := FQDelete.SQL;
#	Line 1740 \| Line 2281 \| begin
2281		result := FQInsert.SQL;
2282		end;
2283
2284	<	function TIBCustomDataSet.GetSQLParams: TIBXSQLDA;
2284	>	function TIBCustomDataSet.GetSQLParams: ISQLParams;
2285		begin
2286		if not FInternalPrepared then
2287		InternalPrepare;
#	Line 1757 \| Line 2298 \| begin
2298		result := FQSelect.SQL;
2299		end;
2300
2301	<	function TIBCustomDataSet.GetStatementType: TIBSQLTypes;
2301	>	function TIBCustomDataSet.GetStatementType: TIBSQLStatementTypes;
2302		begin
2303	<	result := FQSelect.SQLType;
2303	>	result := FQSelect.SQLStatementType;
2304		end;
2305
2306		function TIBCustomDataSet.GetModifySQL: TStrings;
#	Line 1772 \| Line 2313 \| begin
2313		result := FBase.Transaction;
2314		end;
2315
1775	–	function TIBCustomDataSet.GetTRHandle: PISC_TR_HANDLE;
1776	–	begin
1777	–	result := FBase.TRHandle;
1778	–	end;
1779	–
2316		procedure TIBCustomDataSet.InternalDeleteRecord(Qry: TIBSQL; Buff: Pointer);
2317		begin
2318		if (Assigned(FUpdateObject) and (FUpdateObject.GetSQL(ukDelete).Text <> '')) then
2319		FUpdateObject.Apply(ukDelete,Buff)
2320		else
2321		begin
2322	<	SetInternalSQLParams(FQDelete, Buff);
2322	>	SetInternalSQLParams(FQDelete.Params, Buff);
2323		FQDelete.ExecQuery;
2324		end;
2325		with PRecordData(Buff)^ do
#	Line 1798 \| Line 2334 \| function TIBCustomDataSet.InternalLocate
2334		const KeyValues: Variant; Options: TLocateOptions): Boolean;
2335		var
2336		keyFieldList: TList;
1801	–	{$IF FPC_FULLVERSION >= 20700 }
2337		CurBookmark: TBookmark;
1803	–	{$ELSE}
1804	–	CurBookmark: string;
1805	–	{$ENDIF}
2338		fieldValue: Variant;
2339		lookupValues: array of variant;
2340		i, fieldCount: Integer;
#	Line 1884 \| Line 2416 \| end;
2416
2417		procedure TIBCustomDataSet.InternalPostRecord(Qry: TIBSQL; Buff: Pointer);
2418		var
2419	<	i, j, k: Integer;
2419	>	i, j, k, arr: Integer;
2420		pbd: PBlobDataArray;
2421	+	pda: PArrayDataArray;
2422		begin
2423		pbd := PBlobDataArray(PChar(Buff) + FBlobCacheOffset);
2424	<	j := 0;
2424	>	pda := PArrayDataArray(PChar(Buff) + FArrayCacheOffset);
2425	>	j := 0; arr := 0;
2426		for i := 0 to FieldCount - 1 do
2427		if Fields[i].IsBlob then
2428		begin
#	Line 1897 \| Line 2431 \| begin
2431		begin
2432		pbd^[j].Finalize;
2433		PISC_QUAD(
2434	<	PChar(Buff) + PRecordData(Buff)^.rdFields[k].fdDataOfs)^ :=
2434	>	PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ :=
2435		pbd^[j].BlobID;
2436		PRecordData(Buff)^.rdFields[k].fdIsNull := pbd^[j].Size = 0;
2437	+	end
2438	+	else
2439	+	begin
2440	+	PRecordData(Buff)^.rdFields[k].fdIsNull := true;
2441	+	with PISC_QUAD(PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ do
2442	+	begin
2443	+	gds_quad_high := 0;
2444	+	gds_quad_low := 0;
2445	+	end;
2446		end;
2447		Inc(j);
2448	+	end
2449	+	else
2450	+	if Fields[i] is TIBArrayField then
2451	+	begin
2452	+	if pda^[arr] <> nil then
2453	+	begin
2454	+	k := FMappedFieldPosition[Fields[i].FieldNo -1];
2455	+	PISC_QUAD(
2456	+	PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ := pda^[arr].ArrayIntf.GetArrayID;
2457	+	PRecordData(Buff)^.rdFields[k].fdIsNull := pda^[arr].ArrayIntf.IsEmpty;
2458	+	end;
2459	+	Inc(arr);
2460		end;
2461	+	FBufferUpdatedOnQryReturn := false;
2462		if Assigned(FUpdateObject) then
2463		begin
2464		if (Qry = FQDelete) then
#	Line 1913 \| Line 2469 \| begin
2469		FUpdateObject.Apply(ukModify,Buff);
2470		end
2471		else begin
2472	<	SetInternalSQLParams(Qry, Buff);
2472	>	SetInternalSQLParams(Qry.Params, Buff);
2473		Qry.ExecQuery;
2474	+	if Qry.FieldCount > 0 then {Has RETURNING Clause}
2475	+	UpdateRecordFromQuery(Qry.Current,Buff);
2476		end;
2477		PRecordData(Buff)^.rdUpdateStatus := usUnmodified;
2478		PRecordData(Buff)^.rdCachedUpdateStatus := cusUnmodified;
2479		SetModified(False);
2480		WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Buff);
2481	<	if (FForcedRefresh or FNeedsRefresh) and CanRefresh then
2481	>	if (FForcedRefresh or (FNeedsRefresh and not FBufferUpdatedOnQryReturn)) and CanRefresh then
2482		InternalRefreshRow;
2483		end;
2484
#	Line 1947 \| Line 2505 \| begin
2505		end
2506		else
2507		Qry := FQRefresh;
2508	<	SetInternalSQLParams(Qry, Buff);
2508	>	SetInternalSQLParams(Qry.Params, Buff);
2509		Qry.ExecQuery;
2510		try
2511	<	if (Qry.SQLType = SQLExecProcedure) or
1954	<	(Qry.Next <> nil) then
2511	>	if (Qry.SQLStatementType = SQLExecProcedure) or Qry.Next then
2512		begin
2513		ofs := PRecordData(Buff)^.rdSavedOffset;
2514		FetchCurrentRecordToBuffer(Qry,
#	Line 2044 \| Line 2601 \| begin
2601		end;
2602
2603		procedure TIBCustomDataSet.InternalPrepare;
2047	–	var
2048	–	DidActivate: Boolean;
2604		begin
2605		if FInternalPrepared then
2606		Exit;
2052	–	DidActivate := False;
2607		FBase.SetCursor;
2608		try
2609		ActivateConnection;
2610	<	DidActivate := ActivateTransaction;
2610	>	ActivateTransaction;
2611		FBase.CheckDatabase;
2612		FBase.CheckTransaction;
2613		if HasParser and (FParser.SQLText <> FQSelect.SQL.Text) then
2614	<	FQSelect.SQL.Text := FParser.SQLText;
2614	>	begin
2615	>	FQSelect.OnSQLChanged := nil; {Do not react to change}
2616	>	try
2617	>	FQSelect.SQL.Text := FParser.SQLText;
2618	>	finally
2619	>	FQSelect.OnSQLChanged := SQLChanged;
2620	>	end;
2621	>	end;
2622		// writeln( FQSelect.SQL.Text);
2623		if FQSelect.SQL.Text <> '' then
2624		begin
#	Line 2084 \| Line 2645 \| begin
2645		end else
2646		IBError(ibxeEmptyQuery, [nil]);
2647		finally
2087	–	if DidActivate then
2088	–	DeactivateTransaction;
2648		FBase.RestoreCursor;
2649		end;
2650		end;
#	Line 2115 \| Line 2674 \| var
2674		begin
2675		CopyRecordBuffer(Buffer, OldBuffer);
2676		if BlobFieldCount > 0 then
2677	<	FillChar(PChar(OldBuffer)[FBlobCacheOffset], BlobFieldCount * SizeOf(TIBBlobStream),
2677	>	FillChar(PChar(OldBuffer)[FBlobCacheOffset],
2678	>	BlobFieldCount * SizeOf(TIBBlobStream) + ArrayFieldCount * SizeOf(IArray),
2679		0);
2680		end;
2681
#	Line 2157 \| Line 2717 \| begin
2717		if (FBase.Database <> Value) then
2718		begin
2719		CheckDatasetClosed;
2720	+	InternalUnPrepare;
2721		FBase.Database := Value;
2722		FQDelete.Database := Value;
2723		FQInsert.Database := Value;
2724		FQRefresh.Database := Value;
2725		FQSelect.Database := Value;
2726		FQModify.Database := Value;
2727	+	FDatabaseInfo.Database := Value;
2728	+	FGeneratorField.Database := Value;
2729		end;
2730		end;
2731
#	Line 2184 \| Line 2747 \| begin
2747		end;
2748		end;
2749
2750	<	procedure TIBCustomDataSet.SetInternalSQLParams(Qry: TIBSQL; Buffer: Pointer);
2750	>	procedure TIBCustomDataSet.SetInternalSQLParams(Params: ISQLParams; Buffer: Pointer);
2751		var
2752		i, j: Integer;
2753		cr, data: PChar;
2754	<	fn, st: string;
2754	>	fn: string;
2755	>	st: RawByteString;
2756		OldBuffer: Pointer;
2757		ts: TTimeStamp;
2758	+	Param: ISQLParam;
2759		begin
2760		if (Buffer = nil) then
2761		IBError(ibxeBufferNotSet, [nil]);
#	Line 2198 \| Line 2763 \| begin
2763		InternalPrepare;
2764		OldBuffer := nil;
2765		try
2766	<	for i := 0 to Qry.Params.Count - 1 do
2766	>	for i := 0 to Params.GetCount - 1 do
2767		begin
2768	<	fn := Qry.Params[i].Name;
2768	>	Param := Params[i];
2769	>	fn := Param.Name;
2770		if (Pos('OLD_', fn) = 1) then {mbcs ok}
2771		begin
2772		fn := Copy(fn, 5, Length(fn));
#	Line 2220 \| Line 2786 \| begin
2786		cr := Buffer;
2787		j := FQSelect.FieldIndex[fn] + 1;
2788		if (j > 0) then
2789	<	with PRecordData(cr)^ do
2789	>	with PRecordData(cr)^,rdFields[j], FFieldColumns^[j] do
2790		begin
2791	<	if Qry.Params[i].name = 'IBX_INTERNAL_DBKEY' then {do not localize}
2791	>	if Param.name = 'IBX_INTERNAL_DBKEY' then {do not localize}
2792		begin
2793	<	PIBDBKey(Qry.Params[i].AsPointer)^ := rdDBKey;
2793	>	PIBDBKey(Param.AsPointer)^ := rdDBKey;
2794		continue;
2795		end;
2796	<	if rdFields[j].fdIsNull then
2797	<	Qry.Params[i].IsNull := True
2796	>	if fdIsNull then
2797	>	Param.IsNull := True
2798		else begin
2799	<	Qry.Params[i].IsNull := False;
2800	<	data := cr + rdFields[j].fdDataOfs;
2801	<	case rdFields[j].fdDataType of
2799	>	Param.IsNull := False;
2800	>	data := cr + fdDataOfs;
2801	>	case fdDataType of
2802		SQL_TEXT, SQL_VARYING:
2803		begin
2804	<	SetString(st, data, rdFields[j].fdDataLength);
2805	<	Qry.Params[i].AsString := st;
2804	>	SetString(st, data, fdDataLength);
2805	>	SetCodePage(st,fdCodePage,false);
2806	>	Param.AsString := st;
2807		end;
2808		SQL_FLOAT, SQL_DOUBLE, SQL_D_FLOAT:
2809	<	Qry.Params[i].AsDouble := PDouble(data)^;
2809	>	Param.AsDouble := PDouble(data)^;
2810		SQL_SHORT, SQL_LONG:
2811		begin
2812	<	if rdFields[j].fdDataScale = 0 then
2813	<	Qry.Params[i].AsLong := PLong(data)^
2247	<	else if rdFields[j].fdDataScale >= (-4) then
2248	<	Qry.Params[i].AsCurrency := PCurrency(data)^
2812	>	if fdDataScale = 0 then
2813	>	Param.AsLong := PLong(data)^
2814		else
2815	<	Qry.Params[i].AsDouble := PDouble(data)^;
2815	>	if fdDataScale >= (-4) then
2816	>	Param.AsCurrency := PCurrency(data)^
2817	>	else
2818	>	Param.AsDouble := PDouble(data)^;
2819		end;
2820		SQL_INT64:
2821		begin
2822	<	if rdFields[j].fdDataScale = 0 then
2823	<	Qry.Params[i].AsInt64 := PInt64(data)^
2824	<	else if rdFields[j].fdDataScale >= (-4) then
2825	<	Qry.Params[i].AsCurrency := PCurrency(data)^
2822	>	if fdDataScale = 0 then
2823	>	Param.AsInt64 := PInt64(data)^
2824	>	else
2825	>	if fdDataScale >= (-4) then
2826	>	Param.AsCurrency := PCurrency(data)^
2827		else
2828	<	Qry.Params[i].AsDouble := PDouble(data)^;
2828	>	Param.AsDouble := PDouble(data)^;
2829		end;
2830		SQL_BLOB, SQL_ARRAY, SQL_QUAD:
2831	<	Qry.Params[i].AsQuad := PISC_QUAD(data)^;
2832	<	SQL_TYPE_DATE:
2833	<	begin
2265	<	ts.Date := PInt(data)^;
2266	<	ts.Time := 0;
2267	<	Qry.Params[i].AsDate :=
2268	<	TimeStampToDateTime(ts);
2269	<	end;
2270	<	SQL_TYPE_TIME:
2271	<	begin
2272	<	ts.Date := 0;
2273	<	ts.Time := PInt(data)^;
2274	<	Qry.Params[i].AsTime :=
2275	<	TimeStampToDateTime(ts);
2276	<	end;
2831	>	Param.AsQuad := PISC_QUAD(data)^;
2832	>	SQL_TYPE_DATE,
2833	>	SQL_TYPE_TIME,
2834		SQL_TIMESTAMP:
2835	<	Qry.Params[i].AsDateTime :=
2836	<	TimeStampToDateTime(MSecsToTimeStamp(trunc(PDouble(data)^)));
2835	>	{This is an IBX native format and not the TDataset approach. See also SetFieldData}
2836	>	Param.AsDateTime := PDateTime(data)^;
2837		SQL_BOOLEAN:
2838	<	Qry.Params[i].AsBoolean := PWordBool(data)^;
2838	>	Param.AsBoolean := PWordBool(data)^;
2839		end;
2840		end;
2841		end;
#	Line 2304 \| Line 2861 \| begin
2861		begin
2862		Disconnect;
2863		FQSelect.SQL.Assign(Value);
2307	–	FBaseSQLSelect.assign(Value);
2864		end;
2865		end;
2866
#	Line 2328 \| Line 2884 \| begin
2884		FQRefresh.Transaction := Value;
2885		FQSelect.Transaction := Value;
2886		FQModify.Transaction := Value;
2887	+	FGeneratorField.Transaction := Value;
2888		end;
2889		end;
2890
#	Line 2383 \| Line 2940 \| begin
2940		FieldDefs.Updated := false;
2941		end;
2942
2943	+	procedure TIBCustomDataSet.SQLChanged(Sender: TObject);
2944	+	begin
2945	+	FBaseSQLSelect.assign(FQSelect.SQL);
2946	+	end;
2947	+
2948		{ I can "undelete" uninserted records (make them "inserted" again).
2949		I can "undelete" cached deleted (the deletion hasn't yet occurred) }
2950		procedure TIBCustomDataSet.Undelete;
#	Line 2430 \| Line 2992 \| begin
2992		Result := Assigned( FQSelect ) and FQSelect.EOF;
2993		end;
2994
2995	<	function TIBCustomDataSet.ParamByName(ParamName: String): TIBXSQLVAR;
2995	>	function TIBCustomDataSet.ParamByName(ParamName: String): ISQLParam;
2996		begin
2997		ActivateConnection;
2998		ActivateTransaction;
#	Line 2567 \| Line 3129 \| var
3129		Buff: PChar;
3130		bTr, bDB: Boolean;
3131		begin
3132	+	if (Field = nil) or (Field.DataSet <> self) then
3133	+	IBError(ibxFieldNotinDataSet,[Field.Name,Name]);
3134		Buff := GetActiveBuf;
3135		if Buff = nil then
3136		begin
3137		fs := TIBBlobStream.Create;
3138		fs.Mode := bmReadWrite;
3139	+	fs.Database := Database;
3140	+	fs.Transaction := Transaction;
3141	+	fs.SetField(Field);
3142		FBlobStreamList.Add(Pointer(fs));
3143		result := TIBDSBlobStream.Create(Field, fs, Mode);
3144		exit;
#	Line 2586 \| Line 3153 \| begin
3153		fs.Mode := bmReadWrite;
3154		fs.Database := Database;
3155		fs.Transaction := Transaction;
3156	+	fs.SetField(Field);
3157		fs.BlobID :=
3158	<	PISC_QUAD(@Buff[PRecordData(Buff)^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs])^;
3158	>	PISC_QUAD(@Buff[FFieldColumns^[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs])^;
3159		if (CachedUpdates) then
3160		begin
3161		bTr := not Transaction.InTransaction;
#	Line 2608 \| Line 3176 \| begin
3176		result := TIBDSBlobStream.Create(Field, fs, Mode);
3177		end;
3178
3179	+	function TIBCustomDataSet.GetArray(Field: TIBArrayField): IArray;
3180	+	var Buff: PChar;
3181	+	pda: PArrayDataArray;
3182	+	bTr, bDB: Boolean;
3183	+	begin
3184	+	if (Field = nil) or (Field.DataSet <> self) then
3185	+	IBError(ibxFieldNotinDataSet,[Field.Name,Name]);
3186	+	Buff := GetActiveBuf;
3187	+	if Buff = nil then
3188	+	Result := Database.Attachment.CreateArray(Transaction.TransactionIntf,
3189	+	Field.FRelationName,Field.FieldName)
3190	+	else
3191	+	begin
3192	+	pda := PArrayDataArray(Buff + FArrayCacheOffset);
3193	+	if pda^[Field.FCacheOffset] = nil then
3194	+	begin
3195	+	AdjustRecordOnInsert(Buff);
3196	+	if Field.IsNull then
3197	+	Result := Database.Attachment.CreateArray(Transaction.TransactionIntf,
3198	+	Field.FRelationName,Field.FieldName)
3199	+	else
3200	+	Result := Database.Attachment.OpenArray(Transaction.TransactionIntf,
3201	+	Field.FRelationName,Field.FieldName,Field.ArrayID);
3202	+	pda^[Field.FCacheOffset] := TIBArray.Create(Field,Result);
3203	+	FArrayList.Add(pda^[Field.FCacheOffset]);
3204	+	if (CachedUpdates) then
3205	+	begin
3206	+	bTr := not Transaction.InTransaction;
3207	+	bDB := not Database.Connected;
3208	+	if bDB then
3209	+	Database.Open;
3210	+	if bTr then
3211	+	Transaction.StartTransaction;
3212	+	pda^[Field.FCacheOffset].ArrayIntf.PreLoad;
3213	+	if bTr then
3214	+	Transaction.Commit;
3215	+	if bDB then
3216	+	Database.Close;
3217	+	end;
3218	+	WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Pointer(Buff));
3219	+	end
3220	+	else
3221	+	Result := pda^[Field.FCacheOffset].ArrayIntf;
3222	+	end;
3223	+	end;
3224	+
3225	+	procedure TIBCustomDataSet.SetArrayIntf(AnArray: IArray; Field: TIBArrayField);
3226	+	var Buff: PChar;
3227	+	pda: PArrayDataArray;
3228	+	begin
3229	+	if (Field = nil) or (Field.DataSet <> self) then
3230	+	IBError(ibxFieldNotinDataSet,[Field.Name,Name]);
3231	+	Buff := GetActiveBuf;
3232	+	if Buff <> nil then
3233	+	begin
3234	+	AdjustRecordOnInsert(Buff);
3235	+	pda := PArrayDataArray(Buff + FArrayCacheOffset);
3236	+	pda^[Field.FCacheOffset].FArray := AnArray;
3237	+	WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Pointer(Buff));
3238	+	end;
3239	+	end;
3240	+
3241		function TIBCustomDataSet.CompareBookmarks(Bookmark1, Bookmark2: TBookmark): Integer;
3242		const
3243		CMPLess = -1;
#	Line 2688 \| Line 3318 \| end;
3318		procedure TIBCustomDataSet.DoBeforeClose;
3319		begin
3320		inherited DoBeforeClose;
3321	+	if FInTransactionEnd and (FCloseAction = TARollback) then
3322	+	Exit;
3323		if State in [dsInsert,dsEdit] then
3324		begin
2693	–	if FInTransactionEnd and (FCloseAction = TARollback) then
2694	–	Exit;
2695	–
3325		if DataSetCloseAction = dcSaveChanges then
3326		Post;
3327		{Note this can fail with an exception e.g. due to
3328		database validation error. In which case the dataset remains open }
3329		end;
3330	+	if FCachedUpdates and FUpdatesPending and (DataSetCloseAction = dcSaveChanges) then
3331	+	ApplyUpdates;
3332		end;
3333
3334		procedure TIBCustomDataSet.DoBeforeOpen;
#	Line 2729 \| Line 3360 \| end;
3360
3361		procedure TIBCustomDataSet.FetchAll;
3362		var
2732	–	{$IF FPC_FULLVERSION >= 20700 }
3363		CurBookmark: TBookmark;
2734	–	{$ELSE}
2735	–	CurBookmark: string;
2736	–	{$ENDIF}
3364		begin
3365		FBase.SetCursor;
3366		try
#	Line 2844 \| Line 3471 \| begin
3471		if result and (Buffer <> nil) then
3472		Move(Buff[1], Buffer^, Field.DataSize);
3473		end
3474	<	else if (FMappedFieldPosition[Field.FieldNo - 1] > 0) and
3474	>	else
3475	>	if (FMappedFieldPosition[Field.FieldNo - 1] > 0) and
3476		(FMappedFieldPosition[Field.FieldNo - 1] <= CurrentRecord^.rdFieldCount) then
3477	+	with CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]],
3478	+	FFieldColumns^[FMappedFieldPosition[Field.FieldNo - 1]] do
3479		begin
3480	<	result := not CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdIsNull;
3480	>	result := not fdIsNull;
3481		if result and (Buffer <> nil) then
2852	–	with CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]] do
3482		begin
3483	<	Data := Buff + CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs;
3483	>	Data := Buff + fdDataOfs;
3484		if (fdDataType = SQL_VARYING) or (fdDataType = SQL_TEXT) then
3485		begin
3486		if fdDataLength < Field.DataSize then
#	Line 2922 \| Line 3551 \| begin
3551		if FCurrentRecord < FRecordCount then
3552		ReadRecordCache(FCurrentRecord, Buffer, False)
3553		else begin
3554	<	while (not FQSelect.EOF) and
2926	<	(FQSelect.Next <> nil) and
3554	>	while (not FQSelect.EOF) and FQSelect.Next and
3555		(FCurrentRecord >= FRecordCount) do begin
3556		FetchCurrentRecordToBuffer(FQSelect, FRecordCount, Buffer);
3557		Inc(FRecordCount);
#	Line 3034 \| Line 3662 \| procedure TIBCustomDataSet.InternalCance
3662		var
3663		Buff: PChar;
3664		CurRec: Integer;
3665	+	pda: PArrayDataArray;
3666	+	i: integer;
3667		begin
3668		inherited InternalCancel;
3669		Buff := GetActiveBuf;
3670	<	if Buff <> nil then begin
3670	>	if Buff <> nil then
3671	>	begin
3672	>	pda := PArrayDataArray(Buff + FArrayCacheOffset);
3673	>	for i := 0 to ArrayFieldCount - 1 do
3674	>	pda^[i].ArrayIntf.CancelChanges;
3675		CurRec := FCurrentRecord;
3676		AdjustRecordOnInsert(Buff);
3677		if (State = dsEdit) then begin
#	Line 3060 \| Line 3694 \| begin
3694		DeactivateTransaction;
3695		FQSelect.Close;
3696		ClearBlobCache;
3697	+	ClearArrayCache;
3698		FreeRecordBuffer(FModelBuffer);
3699		FreeRecordBuffer(FOldBuffer);
3700		FCurrentRecord := -1;
#	Line 3075 \| Line 3710 \| begin
3710		FOBEnd := 0;
3711		FreeMem(FBufferCache);
3712		FBufferCache := nil;
3713	+	FreeMem(FFieldColumns);
3714	+	FFieldColumns := nil;
3715		FreeMem(FOldBufferCache);
3716		FOldBufferCache := nil;
3717		BindFields(False);
3718	+	ResetParser;
3719		if DefaultFields then DestroyFields;
3720		end;
3721
#	Line 3148 \| Line 3786 \| const
3786		'and R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME '+ {do not localize}
3787		'and ((not F.RDB$COMPUTED_BLR is NULL) or ' + {do not localize}
3788		' (not F.RDB$DEFAULT_VALUE is NULL)) '; {do not localize}
3789	+
3790	+	DefaultSQLODS12 = 'Select F.RDB$COMPUTED_BLR, ' + {do not localize}
3791	+	'F.RDB$DEFAULT_VALUE, R.RDB$FIELD_NAME, R.RDB$IDENTITY_TYPE ' + {do not localize}
3792	+	'from RDB$RELATION_FIELDS R, RDB$FIELDS F ' + {do not localize}
3793	+	'where R.RDB$RELATION_NAME = :RELATION ' + {do not localize}
3794	+	'and R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME '+ {do not localize}
3795	+	'and ((not F.RDB$COMPUTED_BLR is NULL) or ' + {do not localize}
3796	+	' (not F.RDB$DEFAULT_VALUE is NULL) or ' + {do not localize}
3797	+	' ( not R.RDB$IDENTITY_TYPE is NULL))' ; {do not localize}
3798	+
3799		var
3800		FieldType: TFieldType;
3801		FieldSize: Word;
3802	+	FieldDataSize: integer;
3803	+	charSetID: short;
3804		CharSetSize: integer;
3805	+	CharSetName: RawByteString;
3806	+	FieldCodePage: TSystemCodePage;
3807		FieldNullable : Boolean;
3808		i, FieldPosition, FieldPrecision: Integer;
3809		FieldAliasName, DBAliasName: string;
3810	<	RelationName, FieldName: string;
3810	>	aRelationName, FieldName: string;
3811		Query : TIBSQL;
3812		FieldIndex: Integer;
3813		FRelationNodes : TRelationNode;
3814	+	aArrayDimensions: integer;
3815	+	aArrayBounds: TArrayBounds;
3816	+	ArrayMetaData: IArrayMetaData;
3817
3818		function Add_Node(Relation, Field : String) : TRelationNode;
3819		var
#	Line 3181 \| Line 3836 \| var
3836		FField.FieldName := Query.Fields[2].AsString;
3837		FField.DEFAULT_VALUE := not Query.Fields[1].IsNull;
3838		FField.COMPUTED_BLR := not Query.Fields[0].IsNull;
3839	+	FField.IDENTITY_COLUMN := (Query.FieldCount > 3) and not Query.Fields[3].IsNull;
3840		FField.NextField := Result.FieldNodes;
3841		Result.FieldNodes := FField;
3842		Query.Next;
#	Line 3234 \| Line 3890 \| var
3890		FField := Ffield.NextField;
3891		end;
3892
3893	+	function Is_IDENTITY_COLUMN(Relation, Field : String) : Boolean;
3894	+	var
3895	+	FRelation : TRelationNode;
3896	+	FField : TFieldNode;
3897	+	begin
3898	+	FRelation := FRelationNodes;
3899	+	while Assigned(FRelation) and
3900	+	(FRelation.RelationName <> Relation) do
3901	+	FRelation := FRelation.NextRelation;
3902	+	if not Assigned(FRelation) then
3903	+	FRelation := Add_Node(Relation, Field);
3904	+	Result := false;
3905	+	FField := FRelation.FieldNodes;
3906	+	while Assigned(FField) do
3907	+	if FField.FieldName = Field then
3908	+	begin
3909	+	Result := Ffield.IDENTITY_COLUMN;
3910	+	Exit;
3911	+	end
3912	+	else
3913	+	FField := Ffield.NextField;
3914	+	end;
3915	+
3916		Procedure FreeNodes;
3917		var
3918		FRelation : TRelationNode;
#	Line 3256 \| Line 3935 \| var
3935		begin
3936		FRelationNodes := TRelationNode.Create;
3937		FNeedsRefresh := False;
3938	<	Database.InternalTransaction.StartTransaction;
3938	>	if not Database.InternalTransaction.InTransaction then
3939	>	Database.InternalTransaction.StartTransaction;
3940		Query := TIBSQL.Create(self);
3941		try
3942		Query.Database := DataBase;
#	Line 3264 \| Line 3944 \| begin
3944		FieldDefs.BeginUpdate;
3945		FieldDefs.Clear;
3946		FieldIndex := 0;
3947	<	if (Length(FMappedFieldPosition) < SourceQuery.Current.Count) then
3948	<	SetLength(FMappedFieldPosition, SourceQuery.Current.Count);
3949	<	Query.SQL.Text := DefaultSQL;
3947	>	if (Length(FMappedFieldPosition) < SourceQuery.MetaData.Count) then
3948	>	SetLength(FMappedFieldPosition, SourceQuery.MetaData.Count);
3949	>	if FDatabaseInfo.ODSMajorVersion >= 12 then
3950	>	Query.SQL.Text := DefaultSQLODS12
3951	>	else
3952	>	Query.SQL.Text := DefaultSQL;
3953		Query.Prepare;
3954	<	SetLength(FAliasNameMap, SourceQuery.Current.Count);
3955	<	SetLength(FAliasNameList, SourceQuery.Current.Count);
3956	<	for i := 0 to SourceQuery.Current.Count - 1 do
3957	<	with SourceQuery.Current[i].Data^ do
3954	>	SetLength(FAliasNameMap, SourceQuery.MetaData.Count);
3955	>	SetLength(FAliasNameList, SourceQuery.MetaData.Count);
3956	>	for i := 0 to SourceQuery.MetaData.GetCount - 1 do
3957	>	with SourceQuery.MetaData[i] do
3958		begin
3959		{ Get the field name }
3960	<	FieldAliasName := SourceQuery.Current[i].Name;
3961	<	SetString(DBAliasName, aliasname, aliasname_length);
3962	<	SetString(RelationName, relname, relname_length);
3963	<	SetString(FieldName, sqlname, sqlname_length);
3960	>	FieldAliasName := GetName;
3961	>	DBAliasName := GetAliasname;
3962	>	aRelationName := getRelationName;
3963	>	FieldName := getSQLName;
3964		FAliasNameList[i] := DBAliasName;
3965		FieldSize := 0;
3966	+	FieldDataSize := GetSize;
3967		FieldPrecision := 0;
3968	<	FieldNullable := SourceQuery.Current[i].IsNullable;
3969	<	case sqltype and not 1 of
3968	>	FieldNullable := IsNullable;
3969	>	CharSetSize := 0;
3970	>	CharSetName := '';
3971	>	FieldCodePage := CP_NONE;
3972	>	aArrayDimensions := 0;
3973	>	SetLength(aArrayBounds,0);
3974	>	case SQLType of
3975		{ All VARCHAR's must be converted to strings before recording
3976		their values }
3977		SQL_VARYING, SQL_TEXT:
3978		begin
3979	<	CharSetSize := FBase.GetCharSetSize(sqlsubtype and $FF);
3980	<	{FieldSize is encoded for strings - see TIBStringField.SetSize for decode}
3981	<	FieldSize := sqllen * 4 + (CharSetSize - 1);
3979	>	if not Database.Attachment.CharSetWidth(getCharSetID,CharSetSize) then
3980	>	CharSetSize := 1;
3981	>	CharSetName := Database.Attachment.GetCharsetName(getCharSetID);
3982	>	Database.Attachment.CharSetID2CodePage(getCharSetID,FieldCodePage);
3983	>	FieldSize := FieldDataSize div CharSetSize;
3984		FieldType := ftString;
3985		end;
3986		{ All Doubles/Floats should be cast to doubles }
#	Line 3297 \| Line 3988 \| begin
3988		FieldType := ftFloat;
3989		SQL_SHORT:
3990		begin
3991	<	if (sqlscale = 0) then
3991	>	if (getScale = 0) then
3992		FieldType := ftSmallInt
3993		else begin
3994		FieldType := ftBCD;
3995		FieldPrecision := 4;
3996	<	FieldSize := -sqlscale;
3996	>	FieldSize := -getScale;
3997		end;
3998		end;
3999		SQL_LONG:
4000		begin
4001	<	if (sqlscale = 0) then
4001	>	if (getScale = 0) then
4002		FieldType := ftInteger
4003	<	else if (sqlscale >= (-4)) then
4003	>	else if (getScale >= (-4)) then
4004		begin
4005		FieldType := ftBCD;
4006		FieldPrecision := 9;
4007	<	FieldSize := -sqlscale;
4007	>	FieldSize := -getScale;
4008		end
4009		else
4010		if Database.SQLDialect = 1 then
#	Line 3325 \| Line 4016 \| begin
4016		begin
4017		FieldType := ftFMTBCD;
4018		FieldPrecision := 9;
4019	<	FieldSize := -sqlscale;
4019	>	FieldSize := -getScale;
4020		end;
4021		end;
4022
4023		SQL_INT64:
4024		begin
4025	<	if (sqlscale = 0) then
4025	>	if (getScale = 0) then
4026		FieldType := ftLargeInt
4027	<	else if (sqlscale >= (-4)) then
4027	>	else if (getScale >= (-4)) then
4028		begin
4029		FieldType := ftBCD;
4030		FieldPrecision := 18;
4031	<	FieldSize := -sqlscale;
4031	>	FieldSize := -getScale;
4032		end
4033		else
4034	<	FieldType := ftFloat
4034	>	FieldType := ftFloat;
4035		end;
4036		SQL_TIMESTAMP: FieldType := ftDateTime;
4037		SQL_TYPE_TIME: FieldType := ftTime;
#	Line 3348 \| Line 4039 \| begin
4039		SQL_BLOB:
4040		begin
4041		FieldSize := sizeof (TISC_QUAD);
4042	<	if (sqlsubtype = 1) then
4043	<	FieldType := ftmemo
4042	>	if (getSubtype = 1) then
4043	>	begin
4044	>	if not Database.Attachment.CharSetWidth(getCharSetID,CharSetSize) then
4045	>	CharSetSize := 1;
4046	>	CharSetName := Database.Attachment.GetCharsetName(getCharSetID);
4047	>	Database.Attachment.CharSetID2CodePage(getCharSetID,FieldCodePage);
4048	>	FieldType := ftMemo;
4049	>	end
4050		else
4051		FieldType := ftBlob;
4052		end;
4053		SQL_ARRAY:
4054		begin
4055		FieldSize := sizeof (TISC_QUAD);
4056	<	FieldType := ftUnknown;
4056	>	FieldType := ftArray;
4057	>	ArrayMetaData := GetArrayMetaData;
4058	>	if ArrayMetaData <> nil then
4059	>	begin
4060	>	aArrayDimensions := ArrayMetaData.GetDimensions;
4061	>	aArrayBounds := ArrayMetaData.GetBounds;
4062	>	end;
4063		end;
4064		SQL_BOOLEAN:
4065		FieldType:= ftBoolean;
#	Line 3368 \| Line 4071 \| begin
4071		begin
4072		FMappedFieldPosition[FieldIndex] := FieldPosition;
4073		Inc(FieldIndex);
4074	<	with FieldDefs.AddFieldDef do
4074	>	with TIBFieldDef.Create(FieldDefs,'',FieldType,0,False,FieldDefs.Count+1) do
4075		begin
4076		Name := FieldAliasName;
4077		FAliasNameMap[FieldNo-1] := DBAliasName;
3375	–	DataType := FieldType;
4078		Size := FieldSize;
4079	+	DataSize := FieldDataSize;
4080		Precision := FieldPrecision;
4081		Required := not FieldNullable;
4082	+	RelationName := aRelationName;
4083		InternalCalcField := False;
4084	+	CharacterSetSize := CharSetSize;
4085	+	CharacterSetName := CharSetName;
4086	+	CodePage := FieldCodePage;
4087	+	ArrayDimensions := aArrayDimensions;
4088	+	ArrayBounds := aArrayBounds;
4089		if (FieldName <> '') and (RelationName <> '') then
4090		begin
4091	+	IdentityColumn := Is_IDENTITY_COLUMN(RelationName, FieldName);
4092		if Has_COMPUTED_BLR(RelationName, FieldName) then
4093		begin
4094		Attributes := [faReadOnly];
#	Line 3404 \| Line 4114 \| begin
4114		FreeNodes;
4115		Database.InternalTransaction.Commit;
4116		FieldDefs.EndUpdate;
4117	+	FieldDefs.Updated := true;
4118		end;
4119		end;
4120
#	Line 3421 \| Line 4132 \| begin
4132		else begin
4133		Buffer := AllocRecordBuffer;
4134		try
4135	<	while FQSelect.Next <> nil do
4135	>	while FQSelect.Next do
4136		begin
4137		FetchCurrentRecordToBuffer(FQSelect, FRecordCount, Buffer);
4138		Inc(FRecordCount);
#	Line 3436 \| Line 4147 \| end;
4147		procedure TIBCustomDataSet.InternalSetParamsFromCursor;
4148		var
4149		i: Integer;
4150	<	cur_param: TIBXSQLVAR;
4150	>	cur_param: ISQLParam;
4151		cur_field: TField;
4152		s: TStream;
4153		begin
#	Line 3444 \| Line 4155 \| begin
4155		IBError(ibxeEmptyQuery, [nil]);
4156		if not FInternalPrepared then
4157		InternalPrepare;
4158	<	if (SQLParams.Count > 0) and (DataSource <> nil) and (DataSource.DataSet <> nil) then
4158	>	if (SQLParams.GetCount > 0) and (DataSource <> nil) and (DataSource.DataSet <> nil) then
4159		begin
4160	<	for i := 0 to SQLParams.Count - 1 do
4160	>	for i := 0 to SQLParams.GetCount - 1 do
4161		begin
4162		cur_field := DataSource.DataSet.FindField(SQLParams[i].Name);
4163	<	cur_param := SQLParams[i];
4164	<	if (cur_field <> nil) then begin
4163	>	if (cur_field <> nil) then
4164	>	begin
4165	>	cur_param := SQLParams[i];
4166		if (cur_field.IsNull) then
4167		cur_param.IsNull := True
4168	<	else case cur_field.DataType of
4168	>	else
4169	>	case cur_field.DataType of
4170		ftString:
4171		cur_param.AsString := cur_field.AsString;
4172		ftBoolean:
#	Line 3463 \| Line 4176 \| begin
4176		ftInteger:
4177		cur_param.AsLong := cur_field.AsInteger;
4178		ftLargeInt:
4179	<	cur_param.AsInt64 := TLargeIntField(cur_field).AsLargeInt;
4179	>	cur_param.AsInt64 := cur_field.AsLargeInt;
4180		ftFloat, ftCurrency:
4181		cur_param.AsDouble := cur_field.AsFloat;
4182		ftBCD:
#	Line 3480 \| Line 4193 \| begin
4193		try
4194		s := DataSource.DataSet.
4195		CreateBlobStream(cur_field, bmRead);
4196	<	cur_param.LoadFromStream(s);
4196	>	cur_param.AsBlob := TIBDSBlobStream(s).FBlobStream.Blob;
4197		finally
4198		s.free;
4199		end;
4200		end;
4201	+	ftArray:
4202	+	cur_param.AsArray := TIBArrayField(cur_field).ArrayIntf;
4203		else
4204		IBError(ibxeNotSupported, [nil]);
4205		end;
#	Line 3526 \| Line 4241 \| begin
4241		IBError(ibxeEmptyQuery, [nil]);
4242		if not FInternalPrepared then
4243		InternalPrepare;
4244	<	if FQSelect.SQLType = SQLSelect then
4244	>	if FQSelect.SQLStatementType = SQLSelect then
4245		begin
4246		if DefaultFields then
4247		CreateFields;
4248	+	FArrayFieldCount := 0;
4249		BindFields(True);
4250		FCurrentRecord := -1;
4251		FQSelect.ExecQuery;
#	Line 3541 \| Line 4257 \| begin
4257		3. After the dummy fetch, FRecordSize will be appropriately
4258		adjusted to reflect the additional "weight" of the field
4259		data.
4260	<	4. Set up the FCalcFieldsOffset, FBlobCacheOffset and FRecordBufferSize.
4260	>	4. Set up the FCalcFieldsOffset, FBlobCacheOffset, FArrayCacheOffset and FRecordBufferSize.
4261		5. Now, with the BufferSize available, allocate memory for chunks of records
4262		6. Re-allocate the model buffer, accounting for the new
4263		FRecordBufferSize.
4264		7. Finally, calls to AllocRecordBuffer will work!.
4265		}
4266		{Step 1}
4267	<	FRecordSize := RecordDataLength(FQSelect.Current.Count);
4267	>	FRecordSize := RecordDataLength(FQSelect.FieldCount);
4268		{Step 2, 3}
4269	+	GetMem(FFieldColumns,sizeof(TFieldColumns) * (FQSelect.FieldCount));
4270		IBAlloc(FModelBuffer, 0, FRecordSize);
4271	<	FetchCurrentRecordToBuffer(FQSelect, -1, FModelBuffer);
4271	>	InitModelBuffer(FQSelect, FModelBuffer);
4272		{Step 4}
4273		FCalcFieldsOffset := FRecordSize;
4274		FBlobCacheOffset := FCalcFieldsOffset + CalcFieldsSize;
4275	<	FRecordBufferSize := (FBlobCacheOffset + (BlobFieldCount * SizeOf(TIBBlobStream)));
4275	>	FArrayCacheOffset := (FBlobCacheOffset + (BlobFieldCount * SizeOf(TIBBlobStream)));
4276	>	FRecordBufferSize := FArrayCacheOffset + (ArrayFieldCount * sizeof(IArray));
4277		{Step 5}
4278		if UniDirectional then
4279		FBufferChunkSize := FRecordBufferSize * UniCache
#	Line 3571 \| Line 4289 \| begin
4289		FCacheSize := FBufferChunkSize;
4290		FOldCacheSize := FBufferChunkSize;
4291		{Step 6}
4292	<	IBAlloc(FModelBuffer, RecordDataLength(FQSelect.Current.Count),
4292	>	IBAlloc(FModelBuffer, RecordDataLength(FQSelect.FieldCount),
4293		FRecordBufferSize);
4294		{Step 7}
4295		FOldBuffer := AllocRecordBuffer;
#	Line 3669 \| Line 4387 \| end;
4387		function TIBCustomDataSet.Locate(const KeyFields: string; const KeyValues: Variant;
4388		Options: TLocateOptions): Boolean;
4389		var
3672	–	{$IF FPC_FULLVERSION >= 20700 }
4390		CurBookmark: TBookmark;
3674	–	{$ELSE}
3675	–	CurBookmark: string;
3676	–	{$ENDIF}
4391		begin
4392		DisableControls;
4393		try
#	Line 3691 \| Line 4405 \| function TIBCustomDataSet.Lookup(const K
4405		const ResultFields: string): Variant;
4406		var
4407		fl: TList;
3694	–	{$IF FPC_FULLVERSION >= 20700 }
4408		CurBookmark: TBookmark;
3696	–	{$ELSE}
3697	–	CurBookmark: string;
3698	–	{$ENDIF}
4409		begin
4410		DisableControls;
4411		fl := TList.Create;
#	Line 3768 \| Line 4478 \| begin
4478		MappedFieldPos := FMappedFieldPosition[Field.FieldNo - 1];
4479		if (MappedFieldPos > 0) and
4480		(MappedFieldPos <= rdFieldCount) then
4481	+	with rdFields[MappedFieldPos], FFieldColumns^[MappedFieldPos] do
4482		begin
4483		Field.Validate(Buffer);
4484		if (Buffer = nil) or
4485		(Field is TIBStringField) and (PChar(Buffer)[0] = #0) then
4486	<	rdFields[MappedFieldPos].fdIsNull := True
4487	<	else begin
4488	<	Move(Buffer^, Buff[rdFields[MappedFieldPos].fdDataOfs],
4489	<	rdFields[MappedFieldPos].fdDataSize);
4490	<	if (rdFields[MappedFieldPos].fdDataType = SQL_TEXT) or
4491	<	(rdFields[MappedFieldPos].fdDataType = SQL_VARYING) then
4492	<	rdFields[MappedFieldPos].fdDataLength := StrLen(PChar(Buffer));
3782	<	rdFields[MappedFieldPos].fdIsNull := False;
4486	>	fdIsNull := True
4487	>	else
4488	>	begin
4489	>	Move(Buffer^, Buff[fdDataOfs],fdDataSize);
4490	>	if (fdDataType = SQL_TEXT) or (fdDataType = SQL_VARYING) then
4491	>	fdDataLength := StrLen(PChar(Buffer));
4492	>	fdIsNull := False;
4493		if rdUpdateStatus = usUnmodified then
4494		begin
4495		if CachedUpdates then
#	Line 3880 \| Line 4590 \| begin
4590		if FInternalPrepared then
4591		begin
4592		CheckDatasetClosed;
4593	+	if FDidActivate then
4594	+	DeactivateTransaction;
4595		FieldDefs.Clear;
4596		FieldDefs.Updated := false;
4597		FInternalPrepared := False;
#	Line 3900 \| Line 4612 \| begin
4612		IBError(ibxeEmptyQuery, [nil]);
4613		if not FInternalPrepared then
4614		InternalPrepare;
4615	<	if FQSelect.SQLType = SQLSelect then
4615	>	if FQSelect.SQLStatementType = SQLSelect then
4616		begin
4617		IBError(ibxeIsASelectStatement, [nil]);
4618		end
#	Line 3913 \| Line 4625 \| begin
4625		end;
4626		end;
4627
4628	<	function TIBCustomDataSet.GetSelectStmtHandle: TISC_STMT_HANDLE;
4628	>	function TIBCustomDataSet.GetSelectStmtIntf: IStatement;
4629		begin
4630	<	Result := FQSelect.Handle;
4630	>	Result := FQSelect.Statement;
4631		end;
4632
4633		function TIBCustomDataSet.GetParser: TSelectSQLParser;
#	Line 3931 \| Line 4643 \| begin
4643		begin
4644		FParser.Free;
4645		FParser := nil;
4646	<	SQLChanging(nil)
4646	>	FQSelect.OnSQLChanged := nil; {Do not react to change}
4647	>	try
4648	>	FQSelect.SQL.Assign(FBaseSQLSelect);
4649	>	finally
4650	>	FQSelect.OnSQLChanged := SQLChanged;
4651	>	end;
4652		end;
4653		end;
4654
#	Line 3965 \| Line 4682 \| end;
4682
4683		{ TIBDataSet IProviderSupport }
4684
4685	<	(*procedure TIBCustomDataSet.PSEndTransaction(Commit: Boolean);
4685	>	procedure TIBCustomDataSet.PSEndTransaction(Commit: Boolean);
4686		begin
4687		if Commit then
4688		Transaction.Commit else
#	Line 4118 \| Line 4835 \| begin
4835		Transaction.StartTransaction;
4836		end;
4837
4838	<	function TIBCustomDataSet.PSGetTableName: string;
4838	>	function TIBCustomDataSet.PsGetTableName: string;
4839		begin
4840		// if not FInternalPrepared then
4841		// InternalPrepare;
#	Line 4128 \| Line 4845 \| begin
4845		if not FQSelect.Prepared then
4846		FQSelect.Prepare;
4847		Result := FQSelect.UniqueRelationName;
4848	<	end;*)
4848	>	end;
4849
4850		procedure TIBDataSet.BatchInput(InputObject: TIBBatchInput);
4851		begin
#	Line 4213 \| Line 4930 \| end;
4930		function TIBCustomDataSet.GetFieldData(Field: TField; Buffer: Pointer;
4931		NativeFormat: Boolean): Boolean;
4932		begin
4933	<	if (Field.DataType = ftBCD) and not NativeFormat then
4933	>	{These datatypes use IBX conventions and not TDataset conventions}
4934	>	if (Field.DataType in [ftBCD,ftDateTime,ftDate,ftTime]) and not NativeFormat then
4935		Result := InternalGetFieldData(Field, Buffer)
4936		else
4937		Result := inherited GetFieldData(Field, Buffer, NativeFormat);
#	Line 4239 \| Line 4957 \| end;
4957		procedure TIBCustomDataSet.SetFieldData(Field: TField; Buffer: Pointer;
4958		NativeFormat: Boolean);
4959		begin
4960	<	if (not NativeFormat) and (Field.DataType = ftBCD) then
4960	>	{These datatypes use IBX conventions and not TDataset conventions}
4961	>	if (not NativeFormat) and (Field.DataType in [ftBCD,ftDateTime,ftDate,ftTime]) then
4962		InternalSetfieldData(Field, Buffer)
4963		else
4964		inherited SetFieldData(Field, buffer, NativeFormat);
#	Line 4259 \| Line 4978 \| begin
4978		inherited Destroy;
4979		end;
4980
4981	<	procedure TIBDataSetUpdateObject.SetRefreshSQL(Value: TStrings);
4981	>	procedure TIBDataSetUpdateObject.SetRefreshSQL(value: TStrings);
4982		begin
4983		FRefreshSQL.Assign(Value);
4984		end;
4985
4986	+	procedure TIBDataSetUpdateObject.InternalSetParams(Params: ISQLParams;
4987	+	buff: PChar);
4988	+	begin
4989	+	if not Assigned(DataSet) then Exit;
4990	+	DataSet.SetInternalSQLParams(Params, buff);
4991	+	end;
4992	+
4993		procedure TIBDataSetUpdateObject.InternalSetParams(Query: TIBSQL; buff: PChar);
4994		begin
4995	+	InternalSetParams(Query.Params,buff);
4996	+	end;
4997	+
4998	+	procedure TIBDataSetUpdateObject.UpdateRecordFromQuery(QryResults: IResults;
4999	+	Buffer: PChar);
5000	+	begin
5001		if not Assigned(DataSet) then Exit;
5002	<	DataSet.SetInternalSQLParams(Query, buff);
5002	>	DataSet.UpdateRecordFromQuery(QryResults, Buffer);
5003	>	end;
5004	>
5005	>	function TIBDSBlobStream.GetSize: Int64;
5006	>	begin
5007	>	Result := FBlobStream.BlobSize;
5008		end;
5009
5010		{ TIBDSBlobStream }
#	Line 4278 \| Line 5015 \| begin
5015		FBlobStream := ABlobStream;
5016		FBlobStream.Seek(0, soFromBeginning);
5017		if (Mode = bmWrite) then
5018	+	begin
5019		FBlobStream.Truncate;
5020	+	TIBCustomDataSet(FField.DataSet).RecordModified(True);
5021	+	TBlobField(FField).Modified := true;
5022	+	FHasWritten := true;
5023	+	end;
5024		end;
5025
5026		destructor TIBDSBlobStream.Destroy;
#	Line 4320 \| Line 5062 \| end;
5062
5063		procedure TIBGenerator.SetIncrement(const AValue: integer);
5064		begin
5065	+	if FIncrement = AValue then Exit;
5066		if AValue < 0 then
5067	<	raise Exception.Create('A Generator Increment cannot be negative');
5068	<	FIncrement := AValue
5067	>	IBError(ibxeNegativeGenerator,[]);
5068	>	FIncrement := AValue;
5069	>	SetQuerySQL;
5070		end;
5071
5072	<	function TIBGenerator.GetNextValue(ADatabase: TIBDatabase;
4329	<	ATransaction: TIBTransaction): integer;
5072	>	procedure TIBGenerator.SetTransaction(AValue: TIBTransaction);
5073		begin
5074	<	with TIBSQL.Create(nil) do
5075	<	try
5076	<	Database := ADatabase;
5077	<	Transaction := ATransaction;
5078	<	if not assigned(Database) then
5079	<	IBError(ibxeCannotSetDatabase,[]);
5080	<	if not assigned(Transaction) then
5081	<	IBError(ibxeCannotSetTransaction,[]);
5082	<	with Transaction do
5083	<	if not InTransaction then StartTransaction;
5084	<	SQL.Text := Format('Select Gen_ID(%s,%d) as ID From RDB$Database',[FGeneratorName,Increment]);
5085	<	Prepare;
5074	>	FQuery.Transaction := AValue;
5075	>	end;
5076	>
5077	>	procedure TIBGenerator.SetQuerySQL;
5078	>	begin
5079	>	FQuery.SQL.Text := Format('Select Gen_ID(%s,%d) From RDB$Database',[FGeneratorName,Increment]);
5080	>	end;
5081	>
5082	>	function TIBGenerator.GetDatabase: TIBDatabase;
5083	>	begin
5084	>	Result := FQuery.Database;
5085	>	end;
5086	>
5087	>	function TIBGenerator.GetTransaction: TIBTransaction;
5088	>	begin
5089	>	Result := FQuery.Transaction;
5090	>	end;
5091	>
5092	>	procedure TIBGenerator.SetDatabase(AValue: TIBDatabase);
5093	>	begin
5094	>	FQuery.Database := AValue;
5095	>	end;
5096	>
5097	>	procedure TIBGenerator.SetGeneratorName(AValue: string);
5098	>	begin
5099	>	if FGeneratorName = AValue then Exit;
5100	>	FGeneratorName := AValue;
5101	>	SetQuerySQL;
5102	>	end;
5103	>
5104	>	function TIBGenerator.GetNextValue: integer;
5105	>	begin
5106	>	with FQuery do
5107	>	begin
5108	>	Transaction.Active := true;
5109		ExecQuery;
5110		try
5111	<	Result := FieldByName('ID').AsInteger
5111	>	Result := Fields[0].AsInteger
5112		finally
5113		Close
5114		end;
4349	–	finally
4350	–	Free
5115		end;
5116		end;
5117
#	Line 4355 \| Line 5119 \| constructor TIBGenerator.Create(Owner: T
5119		begin
5120		FOwner := Owner;
5121		FIncrement := 1;
5122	+	FQuery := TIBSQL.Create(nil);
5123	+	end;
5124	+
5125	+	destructor TIBGenerator.Destroy;
5126	+	begin
5127	+	if assigned(FQuery) then FQuery.Free;
5128	+	inherited Destroy;
5129		end;
5130
5131
5132		procedure TIBGenerator.Apply;
5133		begin
5134	<	if (FGeneratorName <> '') and (FFieldName <> '') and Owner.FieldByName(FFieldName).IsNull then
5135	<	Owner.FieldByName(FFieldName).AsInteger := GetNextValue(Owner.Database,Owner.Transaction);
5134	>	if assigned(Database) and assigned(Transaction) and
5135	>	(FGeneratorName <> '') and (FFieldName <> '') and Owner.FieldByName(FFieldName).IsNull then
5136	>	Owner.FieldByName(FFieldName).AsInteger := GetNextValue;
5137		end;
5138
5139	+
5140		end.

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Comparing ibx/trunk/runtime/IBCustomDataSet.pas (file contents): Revision 33 by tony, Sat Jul 18 12:30:52 2015 UTC vs. Revision 107 by tony, Thu Jan 18 14:37:40 2018 UTC

Diff Legend

Comparing ibx/trunk/runtime/IBCustomDataSet.pas (file contents):
Revision 33 by tony, Sat Jul 18 12:30:52 2015 UTC vs.
Revision 107 by tony, Thu Jan 18 14:37:40 2018 UTC