source: oup/current/DataAccess/Access_OUP_ADB.pas

Last change on this file was 321, checked in by alloc, 16 years ago
File size: 19.4 KB
Line 
1unit Access_OUP_ADB;
2interface
3
4uses DataAccess, ABSMain, TypeDefs, Classes;
5
6type
7 TAccess_OUP_ADB = class(TDataAccess)
8 private
9 FDatabase: TABSDatabase;
10 FQuery: TABSQuery;
11 Fdat_files: TFiles;
12 Fdat_extensionsmap: TExtensionsMap;
13 protected
14 public
15 constructor Create(DBFilename: String; ConnectionID: Integer; var Msg: TStatusMessages); override;
16 procedure Close; override;
17
18 procedure UpdateListCache;
19
20 function GetLinksToFile(FileID: Integer): TLinks;
21
22 function GetFileInfo(FileID: Integer): TFileInfo; override;
23 function GetFilesList(Ext: String; Pattern: String;
24 NoEmptyFiles: Boolean; SortType: TSortType): TStrings; override;
25 function GetFileCount: Integer; override;
26 function GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings; override;
27
28 procedure LoadDatFile(FileID: Integer; var Target: TStream); overload; override;
29 procedure UpdateDatFile(FileID: Integer; Src: TStream); overload; override;
30 procedure LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream); overload; override;
31 procedure UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream); overload; override;
32
33 function GetDatLinks(FileID: Integer): TDatLinkList; override;
34 function GetDatLink(FileID, DatOffset: Integer): TDatLink; override;
35 function GetRawList(FileID: Integer): TRawDataList; override;
36 function GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo; override;
37 function GetRawsForType(RawType: String): TRawDataList; override;
38
39 procedure LoadRawFile(FileID, DatOffset: Integer; var Target: TStream); overload; override;
40 procedure UpdateRawFile(FileID, DatOffset: Integer; Src: TStream); overload; override;
41 procedure LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream); overload; override;
42 procedure UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream); overload; override;
43 published
44 end;
45
46
47implementation
48
49uses
50 SysUtils, Data, Functions, ABSDecUtil, DB, DatLinks, StrUtils;
51
52
53(*
54================================================================================
55 Implementation of TOniDataADB
56*)
57
58
59constructor TAccess_OUP_ADB.Create(DBFilename: String; ConnectionID: Integer; var Msg: TStatusMessages);
60begin
61 Msg := SM_UnknownError;
62 if not FileExists(DBFilename) then
63 begin
64 Msg := SM_FileNotFound;
65 Exit;
66 end;
67 FFileName := DBFilename;
68
69 FDatabase := TABSDatabase.Create(nil);
70 FDatabase.Exclusive := True;
71 FDatabase.MultiUser := False;
72 FDatabase.DatabaseName := 'OLDBcon' + IntToStr(ConnectionID);
73 FDatabase.DatabaseFileName := DBFilename;
74 FDatabase.Open;
75 FQuery := TABSQuery.Create(FDatabase);
76 FQuery.DisableControls;
77 FQuery.RequestLive := False;
78 FQuery.DatabaseName := 'OLDBcon' + IntToStr(ConnectionID);
79 FQuery.SQL.Text := 'SELECT [name],[value] FROM globals ORDER BY [name] ASC';
80 FQuery.Open;
81 FQuery.First;
82 repeat
83 if FQuery.FieldByName('name').AsString = 'dbversion' then
84 begin
85 if FQuery.FieldByName('value').AsString <> DBversion then
86 begin
87 Msg := SM_IncompatibleDBVersion;
88 FQuery.Close;
89 Exit;
90 end;
91 end;
92 if FQuery.FieldByName('name').AsString = 'lvl' then
93 FLevelNumber := StrToInt(FQuery.FieldByName('value').AsString);
94 if FQuery.FieldByName('name').AsString = 'os' then
95 begin
96 if FQuery.FieldByName('value').AsString = 'WIN' then
97 FDataOS := DOS_WIN
98 else if FQuery.FieldByName('value').AsString = 'WINDEMO' then
99 FDataOS := DOS_WINDEMO
100 else if FQuery.FieldByName('value').AsString = 'MAC' then
101 FDataOS := DOS_MAC
102 else if FQuery.FieldByName('value').AsString = 'MACBETA' then
103 FDataOS := DOS_MACBETA;
104 end;
105 FQuery.Next;
106 until FQuery.EOF;
107 FQuery.Close;
108
109 Msg := SM_OK;
110 FBackend := DB_ADB;
111
112 FConnectionID := ConnectionID;
113 FChangeRights := [CR_EditDat, CR_EditRaw, CR_ResizeDat, CR_ResizeRaw];
114
115 UpdateListCache;
116
117 inherited;
118end;
119
120
121
122
123procedure TAccess_OUP_ADB.Close;
124begin
125 FQuery.Free;
126 FDatabase.Close;
127 FDatabase.Free;
128 Self.Free;
129end;
130
131
132
133procedure TAccess_OUP_ADB.UpdateListCache;
134var
135 i: Integer;
136 temps: String;
137begin
138 FQuery.SQL.Text := 'SELECT id,name,extension,[size],contenttype FROM datfiles ORDER BY id ASC;';
139 FQuery.Open;
140 SetLength(Fdat_files, FQuery.RecordCount);
141 if FQuery.RecordCount > 0 then
142 begin
143 FQuery.First;
144 i := 0;
145 repeat
146 Fdat_files[i].ID := FQuery.FieldByName('id').AsInteger;
147 Fdat_files[i].Name := FQuery.FieldByName('name').AsString;
148 Fdat_files[i].Extension := FQuery.FieldByName('extension').AsString;
149 Fdat_files[i].Size := FQuery.FieldByName('size').AsInteger;
150 Fdat_files[i].FileType := StrToInt('$'+FQuery.FieldByName('contenttype').AsString);
151 Fdat_files[i].DatAddr := 0;
152 Inc(i);
153 FQuery.Next;
154 until FQuery.EOF;
155 end;
156 FQuery.Close;
157
158 FQuery.SQL.Text :=
159 'SELECT extension,count(extension) AS x FROM datfiles GROUP BY extension ORDER BY extension ASC;';
160 FQuery.Open;
161 SetLength(Fdat_extensionsmap, FQuery.RecordCount);
162 if FQuery.RecordCount > 0 then
163 begin
164 i := 0;
165 repeat
166 temps := FQuery.FieldByName('extension').AsString;
167 Fdat_extensionsmap[i].Extension[3] := temps[1];
168 Fdat_extensionsmap[i].Extension[2] := temps[2];
169 Fdat_extensionsmap[i].Extension[1] := temps[3];
170 Fdat_extensionsmap[i].Extension[0] := temps[4];
171 Fdat_extensionsmap[i].ExtCount := FQuery.FieldByName('x').AsInteger;
172 Inc(i);
173 FQuery.Next;
174 until FQuery.EOF;
175 end;
176 FQuery.Close;
177end;
178
179
180
181function TAccess_OUP_ADB.GetLinksToFile(FileID: Integer): TLinks;
182var
183 i: Integer;
184begin
185 SetLength(Result.ByName, 0);
186 FQuery.SQL.Text := 'SELECT src_link_offset, src_id FROM linkmap WHERE target_id = ' + IntToStr(FileID) + ' ORDER BY src_id ASC;';
187 FQuery.Open;
188 SetLength(Result.ByID, FQuery.RecordCount);
189 if FQuery.RecordCount > 0 then
190 begin
191 i := 0;
192 repeat
193 Result.ByID[i].SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
194 Result.ByID[i].Destination := FQuery.FieldByName('src_id').AsInteger;
195 Inc(i);
196 FQuery.Next;
197 until FQuery.EOF;
198 end;
199 FQuery.Close;
200end;
201
202
203
204function TAccess_OUP_ADB.GetFileInfo(fileid: Integer): TFileInfo;
205begin
206 if fileid = -1 then
207 begin
208 Result := inherited GetFileInfo(fileid);
209 Exit;
210 end;
211 if fileid < Self.GetFileCount then
212 Result := Fdat_files[fileid]
213 else
214 Result.ID := -1;
215end;
216
217
218
219 function CompareItems(List: TStringList; I1, I2: Integer): Integer;
220 var
221 s1, s2: String;
222 begin
223 s1 := MidStr(List[I1], 1, PosEx(';', List[I1], 6) - 1);
224 s2 := MidStr(List[I2], 1, PosEx(';', List[I2], 6) - 1);
225 Result := CompareStr(s1, s2);
226 end;
227
228function TAccess_OUP_ADB.GetFilesList(ext: String; pattern: String;
229 NoEmptyFiles: Boolean; SortType: TSortType): TStrings;
230var
231 i: Integer;
232 list: TStringList;
233 id, name, extension: String;
234 fields: TStrings;
235
236 procedure getfields;
237 begin
238 fields.CommaText := StringReplace(AnsiQuotedStr(list.Strings[i], '"'), ';', '","', [rfReplaceAll]);
239 if SortType in [ST_IDAsc, ST_IDDesc] then
240 begin
241 id := fields.Strings[0];
242 name := fields.Strings[1];
243 extension := fields.Strings[2];
244 end;
245 if SortType in [ST_NameAsc, ST_NameDesc] then
246 begin
247 id := fields.Strings[1];
248 name := fields.Strings[0];
249 extension := fields.Strings[2];
250 end;
251 if SortType in [ST_ExtAsc, ST_ExtDesc] then
252 begin
253 id := fields.Strings[1];
254 name := fields.Strings[2];
255 extension := fields.Strings[0];
256 end;
257 if SortType in [ST_ExtNameAsc, ST_ExtNameDesc] then
258 begin
259 id := fields.Strings[2];
260 name := fields.Strings[1];
261 extension := fields.Strings[0];
262 end;
263 end;
264
265begin
266 list := TStringList.Create;
267 if SortType in [ST_ExtNameAsc, ST_ExtNameDesc] then
268 list.Sorted := False
269 else
270 list.Sorted := True;
271 if ext = '*' then
272 ext := '';
273 for i := 0 to GetFileCount - 1 do
274 begin
275 if ((Length(ext) = 0) or (Pos(Fdat_files[i].Extension, ext) > 0)) and
276 ((Length(pattern) = 0) or
277 (Pos(UpperCase(pattern), UpperCase(Fdat_files[i].Name)) > 0)) then
278 begin
279 if (NoEmptyFiles = False) or ((Fdat_files[i].FileType and $02) = 0) then
280 begin
281 id := FormatNumber(Fdat_files[i].ID, 5, '0');
282 name := Fdat_files[i].Name;
283 extension := Fdat_files[i].Extension;
284
285 case SortType of
286 ST_IDAsc, ST_IDDesc: list.Add(id + ';' + name + ';' + extension);
287 ST_NameAsc, ST_NameDesc: list.Add(name + ';' + id + ';' + extension);
288 ST_ExtAsc, ST_ExtDesc: list.Add(extension + ';' + id + ';' + name);
289 ST_ExtNameAsc, ST_ExtNameDesc: list.Add(extension + ';' + name + ';' + id);
290 end;
291 end;
292 end;
293 end;
294 if SortType in [ST_ExtNameAsc, ST_ExtNameDesc] then
295 list.CustomSort(CompareItems);
296 if not Assigned(Result) then
297 Result := TStringList.Create;
298 if list.Count > 0 then
299 begin
300 fields := TStringList.Create;
301 if SortType in [ST_IDAsc, ST_NameAsc, ST_ExtAsc, ST_ExtNameAsc] then
302 for i := 0 to list.Count - 1 do
303 begin
304 getfields;
305 Result.Add(id + '-' + name + '.' + extension);
306 end
307 else
308 for i := list.Count - 1 downto 0 do
309 begin
310 getfields;
311 Result.Add(id + '-' + name + '.' + extension);
312 end;
313 fields.Free;
314 end;
315 list.Free;
316end;
317
318
319
320
321function TAccess_OUP_ADB.GetFileCount: Integer;
322begin
323 Result := Length(Fdat_files);
324end;
325
326
327function TAccess_OUP_ADB.GetExtensionsList(ExtListFormat: TExtensionFormat): TStrings;
328var
329 i: Integer;
330begin
331 if not Assigned(Result) then
332 Result := TStringList.Create;
333 if Result is TStringList then
334 TStringList(Result).Sorted := True;
335 for i := 0 to Length(Fdat_extensionsmap) - 1 do
336 begin
337 with Fdat_extensionsmap[i] do
338 begin
339 case ExtListFormat of
340 EF_ExtOnly:
341 Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0]);
342 EF_ExtCount:
343 Result.Add(Extension[3] + Extension[2] + Extension[1] + Extension[0] +
344 ' (' + IntToStr(ExtCount) + ')');
345 end;
346 end;
347 end;
348end;
349
350
351procedure TAccess_OUP_ADB.LoadDatFile(FileID: Integer; var Target: TStream);
352var
353 mem: TStream;
354 streampos: Integer;
355begin
356 if fileid < GetFileCount then
357 begin
358 if not Assigned(Target) then
359 Target := TMemoryStream.Create;
360
361 streampos := Target.Position;
362
363 FQuery.SQL.Text := 'SELECT data FROM datfiles WHERE id=' + IntToStr(fileid) + ';';
364 FQuery.Open;
365 if FQuery.RecordCount > 0 then
366 begin
367 mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
368 mem.Seek(0, soFromBeginning);
369 Target.CopyFrom(mem, mem.Size);
370 mem.Free;
371 end;
372 FQuery.Close;
373
374 Target.Seek(streampos, soFromBeginning);
375 end;
376end;
377
378procedure TAccess_OUP_ADB.UpdateDatFile(FileID: Integer; Src: TStream);
379var
380 MimeCoder: TStringFormat_MIME64;
381 mem: TMemoryStream;
382begin
383 if fileid < GetFileCount then
384 begin
385 mimecoder := TStringFormat_MIME64.Create;
386 mem := TMemoryStream.Create;
387 mem.CopyFrom(Src, Src.Size);
388 FQuery.SQL.Text := 'UPDATE datfiles SET data=MimeToBin("' +
389 MimeCoder.StrTo(mem.Memory, mem.Size) + '"), size=' + IntToStr(mem.Size) +
390 ' WHERE id=' + IntToStr(fileid) + ';';
391 FQuery.ExecSQL;
392 mem.Free;
393 mimecoder.Free;
394 end;
395end;
396
397
398
399procedure TAccess_OUP_ADB.LoadDatFilePart(FileID, Offset, Size: Integer; var Target: TStream);
400var
401 streampos: Integer;
402 mem: TStream;
403begin
404 if fileid < GetFileCount then
405 begin
406 if not Assigned(Target) then
407 Target := TMemoryStream.Create;
408 streampos := Target.Position;
409
410 FQuery.SQL.Text := 'SELECT data FROM datfiles WHERE id=' + IntToStr(fileid) + ';';
411 FQuery.Open;
412 if FQuery.RecordCount > 0 then
413 begin
414 mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
415 mem.Seek(offset, soFromBeginning);
416 Target.CopyFrom(mem, size);
417 mem.Free;
418 end;
419 FQuery.Close;
420 Target.Seek(streampos, soFromBeginning);
421 end;
422end;
423
424
425
426procedure TAccess_OUP_ADB.UpdateDatFilePart(FileID, Offset, Size: Integer; Src: TStream);
427var
428 MimeCoder: TStringFormat_MIME64;
429 mem: TMemoryStream;
430begin
431 if fileid < GetFileCount then
432 begin
433 mem := nil;
434 LoadDatFile(fileid, TStream(mem));
435 mem.Seek(Offset, soFromBeginning);
436 mem.CopyFrom(Src, Size);
437 mem.Seek(0, soFromBeginning);
438 mimecoder := TStringFormat_MIME64.Create;
439 FQuery.SQL.Text := 'UPDATE datfiles SET data=MimeToBin("' +
440 MimeCoder.StrTo(mem.Memory, mem.Size) + '") WHERE id=' + IntToStr(fileid) + ';';
441 FQuery.ExecSQL;
442 mem.Free;
443 mimecoder.Free;
444 end;
445end;
446
447
448
449function TAccess_OUP_ADB.GetDatLink(FileID, DatOffset: Integer): TDatLink;
450begin
451 Result := DatLinksManager.GetDatLink(FConnectionID, FileID, DatOffset);
452 FQuery.SQL.Text := 'SELECT target_id FROM linkmap WHERE src_id = ' + IntToStr(FileID) + ' and src_link_offset = ' + IntToStr(DatOffset) + ';';
453 FQuery.Open;
454 if FQuery.RecordCount > 0 then
455 Result.DestID := FQuery.FieldByName('target_id').AsInteger;
456 FQuery.Close;
457end;
458
459
460function TAccess_OUP_ADB.GetDatLinks(FileID: Integer): TDatLinkList;
461var
462 i: Integer;
463 SrcOffset, DestID: Integer;
464begin
465 Result := DatLinksManager.GetDatLinks(FConnectionID, FileID);
466 if Length(Result) > 0 then
467 begin
468 FQuery.SQL.Text := 'SELECT src_link_offset, target_id FROM linkmap WHERE src_id = ' + IntToStr(FileID) + ' ORDER BY src_link_offset ASC;';
469 FQuery.Open;
470 if FQuery.RecordCount > 0 then
471 begin
472 repeat
473 SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
474 DestID := FQuery.FieldByName('target_id').AsInteger;
475 for i := 0 to High(Result) do
476 if Result[i].SrcOffset = SrcOffset then
477 Break;
478 if i < Length(Result) then
479 Result[i].DestID := DestID
480 else
481 Result[i].DestID := -1;
482 FQuery.Next;
483 until FQuery.EOF;
484 end;
485 FQuery.Close;
486 end;
487end;
488
489
490function TAccess_OUP_ADB.GetRawList(FileID: Integer): TRawDataList;
491var
492 i: Integer;
493begin
494 SetLength(Result, 0);
495 FQuery.SQL.Text := 'SELECT [src_link_offset],[name],[size],[sep],[type] FROM rawmap WHERE [src_id]=' +
496 IntToStr(fileid) + ' ORDER BY src_link_offset ASC;';
497 FQuery.Open;
498 if FQuery.RecordCount > 0 then
499 begin
500 FQuery.First;
501 SetLength(Result, FQuery.RecordCount);
502 i := 0;
503 repeat
504 Result[i].Name := FQuery.FieldByName('name').AsString;
505 Result[i].SrcID := fileid;
506 Result[i].SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
507 Result[i].RawAddr := 0;
508 Result[i].RawSize := FQuery.FieldByName('size').AsInteger;
509 Result[i].LocSep := FQuery.FieldByName('sep').AsBoolean;
510 Result[i].RawType := FQuery.FieldByName('type').AsString;
511 Inc(i);
512 FQuery.Next;
513 until FQuery.EOF;
514 end;
515 FQuery.Close;
516end;
517
518
519function TAccess_OUP_ADB.GetRawInfo(FileID, DatOffset: Integer): TRawDataInfo;
520var
521 i: Integer;
522 rawlist: TRawDataList;
523begin
524 rawlist := GetRawList(FileID);
525 if Length(rawlist) > 0 then
526 begin
527 for i := 0 to High(rawlist) do
528 if rawlist[i].SrcOffset = DatOffset then
529 Break;
530 if i < Length(rawlist) then
531 Result := rawlist[i]
532 else begin
533 Result.Name := '';
534 Result.SrcID := -1;
535 Result.SrcOffset := -1;
536 Result.RawAddr := -1;
537 Result.RawSize := -1;
538 Result.RawType := '';
539 end;
540 end;
541end;
542
543
544function TAccess_OUP_ADB.GetRawsForType(RawType: String): TRawDataList;
545var
546 i: Integer;
547begin
548 SetLength(Result, 0);
549 FQuery.SQL.Text := 'SELECT [src_id],[src_link_offset],[name],[size],[sep] FROM rawmap ' +
550 'WHERE [type]="' + RawType + '" and [size]>0 ORDER BY src_id ASC, src_link_offset ASC;';
551 FQuery.Open;
552 if FQuery.RecordCount > 0 then
553 begin
554 FQuery.First;
555 SetLength(Result, FQuery.RecordCount);
556 i := 0;
557 repeat
558 Result[i].Name := FQuery.FieldByName('name').AsString;
559 Result[i].SrcID := FQuery.FieldByName('src_id').AsInteger;
560 Result[i].SrcOffset := FQuery.FieldByName('src_link_offset').AsInteger;
561 Result[i].RawAddr := 0;
562 Result[i].RawSize := FQuery.FieldByName('size').AsInteger;
563 Result[i].LocSep := FQuery.FieldByName('sep').AsBoolean;
564 Result[i].RawType := RawType;
565 Inc(i);
566 FQuery.Next;
567 until FQuery.EOF;
568 end;
569 FQuery.Close;
570end;
571
572
573
574
575procedure TAccess_OUP_ADB.LoadRawFile(FileID, DatOffset: Integer; var Target: TStream);
576var
577 mem: TStream;
578 streampos: Integer;
579begin
580 if fileid < GetFileCount then
581 begin
582 if not Assigned(Target) then
583 Target := TMemoryStream.Create;
584 streampos := Target.Position;
585 FQuery.SQL.Text := 'SELECT data FROM rawmap WHERE (src_id=' +
586 IntToStr(FileID) + ') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
587 FQuery.Open;
588 if FQuery.RecordCount > 0 then
589 begin
590 mem := FQuery.CreateBlobStream(FQuery.FieldByName('data'), bmRead);
591 mem.Seek(0, soFromBeginning);
592 Target.CopyFrom(mem, mem.Size);
593 mem.Free;
594 end;
595 FQuery.Close;
596 Target.Seek(streampos, soFromBeginning);
597 end;
598end;
599
600
601procedure TAccess_OUP_ADB.UpdateRawFile(FileID, DatOffset: Integer; Src: TStream);
602var
603 MimeCoder: TStringFormat_MIME64;
604 mem: TMemoryStream;
605begin
606 if fileid < GetFileCount then
607 begin
608 mimecoder := TStringFormat_MIME64.Create;
609 mem := TMemoryStream.Create;
610 mem.CopyFrom(Src, Src.Size);
611 mem.Seek(0, soFromBeginning);
612 FQuery.SQL.Text := 'UPDATE rawmap SET data=MimeToBin("' + MimeCoder.StrTo(
613 mem.Memory, mem.Size) + '") WHERE (src_id=' + IntToStr(FileID) +
614 ') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
615 FQuery.ExecSQL;
616 mem.Free;
617 mimecoder.Free;
618 end;
619end;
620
621
622
623
624procedure TAccess_OUP_ADB.LoadRawFilePart(FileID, DatOffset, Offset, Size: Integer; var Target: TStream);
625var
626 mem: TMemoryStream;
627 streampos: Integer;
628begin
629 if fileid < GetFileCount then
630 begin
631 if not Assigned(Target) then
632 Target := TMemoryStream.Create;
633 streampos := Target.Position;
634 mem := nil;
635 LoadRawFile(FileID, DatOffset, TStream(mem));
636 mem.Seek(Offset, soFromBeginning);
637 Target.CopyFrom(mem, Size);
638 mem.Free;
639 Target.Seek(streampos, soFromBeginning);
640 end;
641end;
642
643
644
645
646procedure TAccess_OUP_ADB.UpdateRawFilePart(FileID, DatOffset, Offset, Size: Integer; Src: TStream);
647var
648 MimeCoder: TStringFormat_MIME64;
649 mem: TMemoryStream;
650begin
651 if fileid < GetFileCount then
652 begin
653 mem := nil;
654 LoadRawFile(fileid, offset, TStream(mem));
655 mem.Seek(offset, soFromBeginning);
656 mem.CopyFrom(Src, Size);
657 mem.Seek(0, soFromBeginning);
658 mimecoder := TStringFormat_MIME64.Create;
659 FQuery.SQL.Text := 'UPDATE rawmap SET data=MimeToBin("' + MimeCoder.StrTo(
660 mem.Memory, mem.Size) + '") WHERE (src_id=' + IntToStr(fileid) +
661 ') AND (src_link_offset=' + IntToStr(DatOffset) + ');';
662 FQuery.ExecSQL;
663 mem.Free;
664 mimecoder.Free;
665 end;
666end;
667
668
669
670
671end.
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