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root/public/ibx/branches/journaling/design/IBSQLEditFrame.pas
Revision: 209
Committed: Wed Mar 14 12:48:51 2018 UTC (6 years, 9 months ago) by tony
Content type: text/x-pascal
Original Path: ibx/trunk/design/IBSQLEditFrame.pas
File size: 42964 byte(s)
Log Message:
Fixes Merged

File Contents

# Content
1 (*
2 * IBX For Lazarus (Firebird Express)
3 *
4 * The contents of this file are subject to the Initial Developer's
5 * Public License Version 1.0 (the "License"); you may not use this
6 * file except in compliance with the License. You may obtain a copy
7 * of the License here:
8 *
9 * http://www.firebirdsql.org/index.php?op=doc&id=idpl
10 *
11 * Software distributed under the License is distributed on an "AS
12 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
13 * implied. See the License for the specific language governing rights
14 * and limitations under the License.
15 *
16 * The Initial Developer of the Original Code is Tony Whyman.
17 *
18 * The Original Code is (C) 2011-17 Tony Whyman, MWA Software
19 * (http://www.mwasoftware.co.uk).
20 *
21 * All Rights Reserved.
22 *
23 * Contributor(s): ______________________________________.
24 *
25 *)
26 unit IBSQLEditFrame;
27
28 {$mode objfpc}{$H+}
29
30 interface
31
32 uses
33 Classes, SysUtils, FileUtil, SynEdit, SynHighlighterSQL, LResources, Forms,
34 Controls, ActnList, Menus, Dialogs, ComCtrls, ExtCtrls, StdCtrls, IBQuery,
35 IBSQL, IBDatabase, IBUpdate, IBDatabaseInfo,
36 IBCustomDataset, db, LazSynTextArea, IB;
37
38 type
39
40 { TIBSQLEditFrame }
41
42 TIBSQLEditFrame = class(TFrame)
43 PackageNameSource: TDataSource;
44 PackageNames: TIBQuery;
45 ReadOnlyFieldsSource: TDataSource;
46 IBUpdate6: TIBUpdate;
47 ReadOnlyFields: TIBQuery;
48 IBUpdate5: TIBUpdate;
49 IdentityColsSource: TDataSource;
50 FieldNameList: TIBQuery;
51 FieldsSource: TDataSource;
52 DatabaseInfo: TIBDatabaseInfo;
53 IdentityCols: TIBQuery;
54 IBUpdate1: TIBUpdate;
55 IBUpdate2: TIBUpdate;
56 IBUpdate3: TIBUpdate;
57 IBUpdate4: TIBUpdate;
58 SQLTransaction: TIBTransaction;
59 IdentifyStatementSQL: TIBSQL;
60 PrimaryKeys: TIBQuery;
61 PrimaryKeySource: TDataSource;
62 ProcInputParams: TIBQuery;
63 ProcInputSource: TDataSource;
64 ProcOutputParams: TIBQuery;
65 ProcOutputSource: TDataSource;
66 Redo: TAction;
67 ToolButton10: TToolButton;
68 ToolButton11: TToolButton;
69 Undo: TAction;
70 SaveToFile: TAction;
71 LoadFromFile: TAction;
72 BtnImages: TImageList;
73 MenuItem8: TMenuItem;
74 MenuItem9: TMenuItem;
75 OpenDialog1: TOpenDialog;
76 SaveDialog1: TSaveDialog;
77 ToolBar1: TToolBar;
78 ToolButton1: TToolButton;
79 ToolButton2: TToolButton;
80 ToolButton3: TToolButton;
81 ToolButton4: TToolButton;
82 ToolButton5: TToolButton;
83 ToolButton6: TToolButton;
84 ToolButton7: TToolButton;
85 ToolButton8: TToolButton;
86 ToolButton9: TToolButton;
87 UserProcedures: TIBQuery;
88 UserProcSource: TDataSource;
89 UserTables: TIBQuery;
90 UserTableSource: TDataSource;
91 WrapText: TAction;
92 Clear: TAction;
93 MenuItem1: TMenuItem;
94 MenuItem2: TMenuItem;
95 MenuItem3: TMenuItem;
96 MenuItem4: TMenuItem;
97 MenuItem5: TMenuItem;
98 MenuItem6: TMenuItem;
99 MenuItem7: TMenuItem;
100 PopupMenu1: TPopupMenu;
101 SelectAll: TAction;
102 Paste: TAction;
103 CopyText: TAction;
104 Cut: TAction;
105 ActionList1: TActionList;
106 SQLText: TSynEdit;
107 SynSQLSyn1: TSynSQLSyn;
108 procedure ClearExecute(Sender: TObject);
109 procedure CopyTextExecute(Sender: TObject);
110 procedure CutExecute(Sender: TObject);
111 procedure CutUpdate(Sender: TObject);
112 procedure FieldNameListBeforeOpen(DataSet: TDataSet);
113 procedure IBUpdate1ApplyUpdates(Sender: TObject; UpdateKind: TUpdateKind;
114 Params: ISQLParams);
115 procedure LoadFromFileExecute(Sender: TObject);
116 procedure PackageNamesAfterScroll(DataSet: TDataSet);
117 procedure PackageNamesBeforeClose(DataSet: TDataSet);
118 procedure PasteExecute(Sender: TObject);
119 procedure PasteUpdate(Sender: TObject);
120 procedure RedoExecute(Sender: TObject);
121 procedure RedoUpdate(Sender: TObject);
122 procedure SaveToFileExecute(Sender: TObject);
123 procedure SelectAllExecute(Sender: TObject);
124 procedure SelectAllUpdate(Sender: TObject);
125 procedure UndoExecute(Sender: TObject);
126 procedure UndoUpdate(Sender: TObject);
127 procedure UserProceduresAfterOpen(DataSet: TDataSet);
128 procedure UserProceduresBeforeClose(DataSet: TDataSet);
129 procedure UserProceduresBeforeOpen(DataSet: TDataSet);
130 procedure UserTablesAfterOpen(DataSet: TDataSet);
131 procedure UserTablesBeforeClose(DataSet: TDataSet);
132 procedure UserTablesBeforeOpen(DataSet: TDataSet);
133 procedure WrapTextExecute(Sender: TObject);
134 procedure WrapTextUpdate(Sender: TObject);
135 private
136 FDatabase: TIBDatabase;
137 FExcludeIdentityColumns: boolean;
138 FExecuteOnlyProcs: boolean;
139 FIncludeReadOnlyFields: boolean;
140 FIncludeSystemTables: boolean;
141 FOnUserTablesOpened: TNotifyEvent;
142 FOpening: boolean;
143 FSelectProcs: boolean;
144 FQuerySync: boolean;
145 procedure AddWhereClause(QuotedStrings: boolean; SQL: TStrings;
146 UseOldValues: boolean);
147 function GetSQLType(SQLType: TIBSQLStatementTypes): string;
148 procedure GetFieldNames(Dataset: TDataset; var FieldNames: TStrings;
149 aIncludeReadOnly: boolean = true);
150 procedure GenerateSelectSQL(TableName: string; QuotedStrings: boolean; FieldNames,PrimaryKeyNames, SQL: TStrings); overload;
151 procedure GenerateInsertSQL(TableName: string; QuotedStrings: boolean;
152 FieldNames, ReadOnlyFieldNames, SQL: TStrings); overload;
153 procedure GenerateModifySQL(TableName: string; QuotedStrings: boolean;
154 FieldNames, ReadOnlyFieldNames, SQL: TStrings); overload;
155 procedure GenerateExecuteSQL(PackageName, ProcName: string;
156 QuotedStrings: boolean; ExecuteOnly: boolean; InputParams, OutputParams,
157 ExecuteSQL: TStrings); overload;
158 procedure GenerateDeleteSQL(TableName: string; QuotedStrings: boolean; ReadOnlyFieldNames, SQL: TStrings); overload;
159 procedure SetDatabase(AValue: TIBDatabase);
160 procedure SetExcludeIdentityColumns(AValue: boolean);
161 procedure SetExecuteOnlyProcs(AValue: boolean);
162 procedure SetIncludeReadOnlyFields(AValue: boolean);
163 procedure SetIncludeSystemTables(AValue: boolean);
164 procedure SetSelectProcs(AValue: boolean);
165
166 public
167 constructor Create(aOwner: TComponent); override;
168 procedure DoWrapText(Lines: TStrings); overload;
169 procedure DoWrapText; overload;
170 procedure UnWrapText;
171 procedure RefreshAll;
172 procedure SelectAllFields(Checked: boolean);
173 procedure GenerateSelectSQL(QuotedStrings: boolean; AddReadOnlyFields: boolean = false); overload;
174 procedure GenerateSelectSQL(QuotedStrings: boolean; SQL: TStrings; AddReadOnlyFields: boolean = false); overload;
175 procedure GenerateRefreshSQL(QuotedStrings: boolean);
176 procedure GenerateRefreshSQL(QuotedStrings: boolean; SQL: TStrings; AddReadOnlyFields: boolean = false);
177 procedure GenerateExecuteSQL(QuotedStrings: boolean); overload;
178 procedure GenerateInsertSQL(QuotedStrings: boolean); overload;
179 procedure GenerateInsertSQL(QuotedStrings: boolean; SQL: TStrings); overload;
180 procedure GenerateModifySQL(QuotedStrings: boolean; aIncludePrimaryKeys: boolean); overload;
181 procedure GenerateModifySQL(QuotedStrings: boolean; SQL: TStrings; aIncludePrimaryKeys: boolean); overload;
182 procedure GenerateDeleteSQL(QuotedStrings: boolean); overload;
183 procedure GenerateDeleteSQL(QuotedStrings: boolean; SQL: TStrings); overload;
184 function GetStatementType(var IsStoredProcedure: boolean): TIBSQLStatementTypes;
185 procedure InsertSelectedPrimaryKey;
186 procedure InsertSelectedFieldName;
187 procedure InsertTableName;
188 procedure InsertProcName;
189 procedure InsertPackageName;
190 procedure InsertSelectedInputParam;
191 procedure InsertSelectedOutputParam;
192 procedure InsertSelectedIdentityCol;
193 procedure InsertSelectedReadOnlyField;
194 procedure OpenUserProcedures;
195 function SyncQueryBuilder: TIBSQLStatementTypes; overload;
196 function SyncQueryBuilder(SQL: TStrings): TIBSQLStatementTypes; overload;
197 procedure TestSQL(GenerateParamNames: boolean);
198 property Database: TIBDatabase read FDatabase write SetDatabase;
199 property IncludeReadOnlyFields: boolean read FIncludeReadOnlyFields write SetIncludeReadOnlyFields;
200 property IncludeSystemTables: boolean read FIncludeSystemTables write SetIncludeSystemTables;
201 property ExcludeIdentityColumns: boolean read FExcludeIdentityColumns write SetExcludeIdentityColumns;
202 property ExecuteOnlyProcs: boolean read FExecuteOnlyProcs write SetExecuteOnlyProcs;
203 property SelectProcs: boolean read FSelectProcs write SetSelectProcs;
204 property OnUserTablesOpened: TNotifyEvent read FOnUserTablesOpened write FOnUserTablesOpened;
205 end;
206
207 implementation
208
209 Uses IBUtils, FBMessages, Variants;
210
211 {$R *.lfm}
212
213 const
214 sNoPrimaryKeys = 'RF.RDB$FIELD_NAME not in ' +
215 '(Select RDB$FIELD_NAME FROM RDB$INDEX_SEGMENTS S JOIN RDB$RELATION_CONSTRAINTS C On C.RDB$INDEX_NAME = S.RDB$INDEX_NAME '+
216 'Where C.RDB$CONSTRAINT_TYPE = ''PRIMARY KEY'' and C.RDB$RELATION_NAME = RF.RDB$RELATION_NAME)';
217
218 { TIBSQLEditFrame }
219
220 procedure TIBSQLEditFrame.CutUpdate(Sender: TObject);
221 begin
222 (Sender as TAction).Enabled := SQLText.SelText <> '';
223 end;
224
225 procedure TIBSQLEditFrame.FieldNameListBeforeOpen(DataSet: TDataSet);
226 begin
227 if not IncludeReadOnlyFields then
228 (DataSet as TIBQuery).Parser.Add2WhereClause('B.RDB$COMPUTED_SOURCE is NULL');
229 (DataSet as TIBQuery).Parser.Add2WhereClause(sNoPrimaryKeys);
230 if ExcludeIdentityColumns and (DatabaseInfo.ODSMajorVersion >= 12) then
231 (DataSet as TIBQuery).Parser.Add2WhereClause('RF.RDB$IDENTITY_TYPE is NULL');
232 end;
233
234 procedure TIBSQLEditFrame.IBUpdate1ApplyUpdates(Sender: TObject;
235 UpdateKind: TUpdateKind; Params: ISQLParams);
236 begin
237 //do nothing - dummy to allow edits without database update
238 end;
239
240 procedure TIBSQLEditFrame.LoadFromFileExecute(Sender: TObject);
241 begin
242 if OpenDialog1.Execute then
243 SQLText.Lines.LoadFromFile(OpenDialog1.FileName);
244 end;
245
246 procedure TIBSQLEditFrame.PackageNamesAfterScroll(DataSet: TDataSet);
247 begin
248 UserProcedures.Active := false;
249 UserProcedures.Active := true;
250 end;
251
252 procedure TIBSQLEditFrame.PackageNamesBeforeClose(DataSet: TDataSet);
253 begin
254 UserProcedures.Active := false;
255 end;
256
257 procedure TIBSQLEditFrame.PasteExecute(Sender: TObject);
258 begin
259 SQLText.PasteFromClipboard;
260 end;
261
262 procedure TIBSQLEditFrame.PasteUpdate(Sender: TObject);
263 begin
264 (Sender as TAction).Enabled := SQLText.CanPaste;
265 end;
266
267 procedure TIBSQLEditFrame.RedoExecute(Sender: TObject);
268 begin
269 SQLText.Redo;
270 end;
271
272 procedure TIBSQLEditFrame.RedoUpdate(Sender: TObject);
273 begin
274 (Sender as TAction).Enabled := SQLText.CanRedo;
275 end;
276
277 procedure TIBSQLEditFrame.SaveToFileExecute(Sender: TObject);
278 begin
279 if SaveDialog1.Execute then
280 SQLText.Lines.SaveToFile(SaveDialog1.FileName);
281 end;
282
283 procedure TIBSQLEditFrame.SelectAllExecute(Sender: TObject);
284 begin
285 SQLText.SelectAll;
286 end;
287
288 procedure TIBSQLEditFrame.SelectAllUpdate(Sender: TObject);
289 begin
290 (Sender as TAction).Enabled := SQLText.Lines.Count > 0;
291 end;
292
293 procedure TIBSQLEditFrame.UndoExecute(Sender: TObject);
294 begin
295 SQLText.Undo;
296 end;
297
298 procedure TIBSQLEditFrame.UndoUpdate(Sender: TObject);
299 begin
300 (Sender as TAction).Enabled := SQLText.CanUndo;
301 end;
302
303 procedure TIBSQLEditFrame.UserProceduresAfterOpen(DataSet: TDataSet);
304 begin
305 ProcInputParams.Active := true;
306 ProcOutputParams.Active := true;
307 end;
308
309 procedure TIBSQLEditFrame.UserProceduresBeforeClose(DataSet: TDataSet);
310 begin
311 ProcInputParams.Active := false;
312 ProcOutputParams.Active := false;
313 end;
314
315 procedure TIBSQLEditFrame.UserProceduresBeforeOpen(DataSet: TDataSet);
316 begin
317 if not (ExecuteOnlyProcs and SelectProcs) then
318 begin
319 if ExecuteOnlyProcs then
320 (DataSet as TIBQuery).Parser.Add2WhereClause('RDB$PROCEDURE_TYPE = 2');
321 if SelectProcs then
322 (DataSet as TIBQuery).Parser.Add2WhereClause('RDB$PROCEDURE_TYPE = 1 AND RDB$PROCEDURE_OUTPUTS > 0');
323 end;
324 if PackageNames.Active then
325 begin
326 if PackageNames.FieldByName('PACKAGE_NAME_TYPE').AsInteger = 0 then {global procedures}
327 (DataSet as TIBQuery).Parser.Add2WhereClause('RDB$PACKAGE_NAME is NULL')
328 else
329 (DataSet as TIBQuery).Parser.Add2WhereClause('RDB$PACKAGE_NAME = ''' +
330 PackageNames.FieldByName('RDB$PACKAGE_NAME').AsString + '''');
331 end;
332 // writeln((DataSet as TIBQuery).Parser.SQLText);
333 end;
334
335 procedure TIBSQLEditFrame.UserTablesAfterOpen(DataSet: TDataSet);
336 begin
337 FieldNameList.Active := true;
338 PrimaryKeys.Active := true;
339 IdentityCols.Active := DatabaseInfo.ODSMajorVersion >= 12;
340 ReadOnlyFields.Active := true;
341 FOpening := true;
342 try
343 if assigned(FOnUserTablesOpened) then
344 OnUserTablesOpened(self);
345 finally
346 FOpening := false;
347 end;
348 end;
349
350 procedure TIBSQLEditFrame.UserTablesBeforeClose(DataSet: TDataSet);
351 begin
352 FieldNameList.Active := false;
353 PrimaryKeys.Active := false;
354 IdentityCols.Active := false;
355 ReadOnlyFields.Active := false;
356 end;
357
358 procedure TIBSQLEditFrame.UserTablesBeforeOpen(DataSet: TDataSet);
359 begin
360 if not IncludeSystemTables then
361 (DataSet as TIBQuery).Parser.Add2WhereClause('RDB$SYSTEM_FLAG = 0');
362 end;
363
364 procedure TIBSQLEditFrame.WrapTextExecute(Sender: TObject);
365 begin
366 UnWrapText;
367 DoWrapText;
368 end;
369
370 procedure TIBSQLEditFrame.WrapTextUpdate(Sender: TObject);
371 begin
372 (Sender as TAction).Enabled := SQLText.Lines.Count > 0;
373 end;
374
375 procedure TIBSQLEditFrame.SetDatabase(AValue: TIBDatabase);
376 var i: integer;
377 begin
378 if FDatabase = AValue then Exit;
379 FDatabase := AValue;
380 FirebirdAPI.GetStatus.SetIBDataBaseErrorMessages([ShowIBMessage]);
381 SQLTransaction.Active := false;
382 SQLTransaction.DefaultDatabase := FDatabase;
383 for i := 0 to ComponentCount - 1 do
384 if Components[i] is TIBCustomDataset then
385 TIBCustomDataset(Components[i]).Database := FDatabase
386 else
387 if Components[i] is TIBSQL then
388 TIBSQL(Components[i]).Database := FDatabase
389 else
390 if Components[i] is TIBDatabaseInfo then
391 TIBDatabaseInfo(Components[i]).Database := FDatabase;
392 if (FDatabase <> nil) and FDatabase.Connected then
393 SQLTransaction.Active := true;
394 end;
395
396 procedure TIBSQLEditFrame.SetExcludeIdentityColumns(AValue: boolean);
397 begin
398 if FExcludeIdentityColumns = AValue then Exit;
399 FExcludeIdentityColumns := AValue;
400 RefreshAll;
401 end;
402
403 procedure TIBSQLEditFrame.SetExecuteOnlyProcs(AValue: boolean);
404 begin
405 if FExecuteOnlyProcs = AValue then Exit;
406 FExecuteOnlyProcs := AValue;
407 RefreshAll;
408 end;
409
410 procedure TIBSQLEditFrame.SetIncludeReadOnlyFields(AValue: boolean);
411 begin
412 if FIncludeReadOnlyFields = AValue then Exit;
413 FIncludeReadOnlyFields := AValue;
414 RefreshAll;
415 end;
416
417 procedure TIBSQLEditFrame.SetIncludeSystemTables(AValue: boolean);
418 begin
419 if FIncludeSystemTables = AValue then Exit;
420 FIncludeSystemTables := AValue;
421 RefreshAll;
422 SyncQueryBuilder;
423 end;
424
425 procedure TIBSQLEditFrame.SetSelectProcs(AValue: boolean);
426 begin
427 if FSelectProcs = AValue then Exit;
428 FSelectProcs := AValue;
429 RefreshAll;
430 end;
431
432 constructor TIBSQLEditFrame.Create(aOwner: TComponent);
433 begin
434 inherited Create(aOwner);
435 FIncludeReadOnlyFields := true;
436 end;
437
438 procedure TIBSQLEditFrame.DoWrapText;
439 begin
440 DoWrapText(SQLText.Lines);
441 if assigned(SQLText.OnChange) then
442 SQLText.OnChange(self);
443 end;
444
445 type
446 THackedSynEdit = class(TSynEdit)
447 public
448 property TextArea: TLazSynTextArea read FTextArea;
449 end;
450
451 procedure TIBSQLEditFrame.DoWrapText(Lines: TStrings);
452
453 var NewLines: TStringList;
454 i: integer;
455 MaxWidth: integer;
456 MaxChars: integer;
457 Line: string;
458 Tokeniser: TSynSQLSyn;
459 SplitAt: integer;
460 SQLParam: boolean;
461 begin
462 NewLines := TStringList.Create;
463 Tokeniser := TSynSQLSyn.Create(nil); {use the highligher as a tokeniser}
464 try
465 Tokeniser.SQLDialect := sqlInterbase6;
466 SQlText.Canvas.Font := SQLText.Font;
467 with THackedSynEdit(SQLText).TextArea do
468 MaxWidth := Right - Left;
469 for i := 0 to Lines.Count - 1 do
470 begin
471 Line := Lines[i];
472 repeat
473 if (Length(Line) = 0) or (SQlText.Canvas.TextWidth(Line) <= MaxWidth) then
474 begin
475 NewLines.Add(Line);
476 break; {next line}
477 end
478 else
479 begin
480 {Need to split the line at the last complete SQL token}
481 MaxChars := SQlText.Canvas.TextFitInfo(Line,MaxWidth);
482 SQLParam := false;
483 Tokeniser.ResetRange;
484 Tokeniser.SetLine(Line,i);
485 SplitAt := 0;
486 while (Tokeniser.GetTokenPos < MaxChars) and not Tokeniser.GetEol do
487 begin
488 if not SQLParam then
489 SplitAt := Tokeniser.GetTokenPos; {combine param indicator with param}
490 SQLParam := Tokeniser.GetToken = ':';
491 Tokeniser.Next;
492 end;
493
494 if SplitAt <= 0 then {token overflows line}
495 begin
496 NewLines.Add(Line);
497 break; {next line}
498 end;
499 NewLines.Add(system.copy(Line,1,SplitAt));
500 system.Delete(Line,1,SplitAt);
501 end;
502 until Length(Line) = 0;
503 end;
504 Lines.Assign(NewLines);
505 finally
506 NewLines.Free;
507 Tokeniser.Free;
508 end;
509 end;
510
511 const
512 Separators = [' ',#$09,',','.',':'];
513
514 procedure TIBSQLEditFrame.UnWrapText;
515 var Line: string;
516 i: integer;
517 begin
518 Line := '';
519 with SQLText do
520 begin
521 for i := 0 to Lines.Count - 1 do
522 begin
523 if (Length(Line) > 0) and not (Line[Length(Line)] in Separators) then
524 Line := Line + ' ';
525 Line := Line + Lines[i];
526 end;
527
528 if assigned(OnChange) then
529 OnChange(self);
530 Lines.Text := Line;
531 end;
532 end;
533
534 procedure TIBSQLEditFrame.RefreshAll;
535 begin
536 if UserTables.Active then
537 begin
538 UserTables.Active := false;
539 UserTables.Active := true;
540 end;
541 if PackageNames.Active then
542 begin
543 PackageNames.Active := false;
544 OpenUserProcedures;
545 end
546 else
547 if UserProcedures.Active then
548 begin
549 UserProcedures.Active := false;
550 OpenUserProcedures;
551 end;
552 end;
553
554 procedure TIBSQLEditFrame.SelectAllFields(Checked: boolean);
555
556 procedure DoSelectAllFields(Dataset: TDataset; aValue: boolean);
557 begin
558 with Dataset do
559 if Active then
560 begin
561 DisableControls;
562 try
563 First;
564 while not Eof do
565 begin
566 Edit;
567 FieldByName('Selected').AsInteger := ord(aValue);
568 Post;
569 Next;
570 end;
571 First;
572 finally
573 EnableControls;
574 end;
575 end;
576 end;
577
578 begin
579 if FOpening or (Database = nil) or not Database.Connected then Exit;
580 DoSelectAllFields(FieldNameList,Checked);
581 DoSelectAllFields(PrimaryKeys,Checked);
582 DoSelectAllFields(IdentityCols,Checked);
583 DoSelectAllFields(ReadOnlyFields,Checked);
584 end;
585
586 procedure TIBSQLEditFrame.GenerateSelectSQL(QuotedStrings: boolean;
587 AddReadOnlyFields: boolean);
588 begin
589 GenerateSelectSQL(QuotedStrings,SQLText.Lines,AddReadOnlyFields);
590 end;
591
592 procedure TIBSQLEditFrame.GenerateRefreshSQL(QuotedStrings: boolean);
593 begin
594 GenerateRefreshSQL(QuotedStrings,SQLText.Lines);
595 end;
596
597 procedure TIBSQLEditFrame.GenerateSelectSQL(QuotedStrings: boolean;
598 SQL: TStrings; AddReadOnlyFields: boolean);
599 var FieldNames: TStrings;
600 PrimaryKeyNames: TStrings;
601 ReadOnlyFieldNames: TStrings;
602 begin
603 SQL.Clear;
604 FieldNames := TStringList.Create;
605 PrimaryKeyNames := TStringList.Create;
606 ReadOnlyFieldNames := TStringList.Create;
607 try
608 GetFieldNames(PrimaryKeys,PrimaryKeyNames);
609 GetFieldNames(FieldNameList,FieldNames);
610 if not IncludeReadOnlyFields and AddReadOnlyFields then
611 begin
612 GetFieldNames(ReadOnlyFields,ReadOnlyFieldNames,true);
613 FieldNames.AddStrings(ReadOnlyFieldNames);
614 end;
615 GenerateSelectSQL(UserTables.FieldByName('RDB$RELATION_NAME').AsString,QuotedStrings,FieldNames,PrimaryKeyNames,SQL);
616 finally
617 FieldNames.Free;
618 PrimaryKeyNames.Free;
619 ReadOnlyFieldNames.Free;
620 end;
621 DoWrapText(SQL);
622 end;
623
624 procedure TIBSQLEditFrame.GenerateRefreshSQL(QuotedStrings: boolean;
625 SQL: TStrings; AddReadOnlyFields: boolean);
626 begin
627 SQL.Clear;
628 GenerateSelectSQL(QuotedStrings,SQL,AddReadOnlyFields);
629 AddWhereClause(QuotedStrings,SQL,false);
630 end;
631
632 procedure TIBSQLEditFrame.GenerateExecuteSQL(QuotedStrings: boolean);
633 var InputParams: TStrings;
634 OutputParams: TStrings;
635 PackageName: string;
636 begin
637 SQLText.Lines.Clear;
638
639 InputParams := TStringList.Create;
640 OutputParams := TStringList.Create;
641 try
642 if PackageNames.Active and (PackageNames.FieldByName('Package_Name_Type').AsInteger = 1) then
643 PackageName := PackageNames.FieldByName('RDB$PACKAGE_NAME').AsString
644 else
645 PackageName := '';
646 GetFieldNames(ProcInputParams,InputParams);
647 GetFieldNames(ProcOutputParams,OutputParams);
648 GenerateExecuteSQL(PackageName,UserProcedures.FieldByName('RDB$PROCEDURE_NAME').AsString,
649 QuotedStrings, UserProcedures.FieldByName('RDB$PROCEDURE_TYPE').AsInteger = 2,
650 InputParams,OutputParams,SQLText.Lines);
651 finally
652 InputParams.Free;
653 OutputParams.Free;
654 end;
655 end;
656
657 procedure TIBSQLEditFrame.GenerateInsertSQL(QuotedStrings: boolean);
658 begin
659 GenerateInsertSQL(QuotedStrings,SQLText.Lines);
660 end;
661
662 procedure TIBSQLEditFrame.GenerateModifySQL(QuotedStrings: boolean;
663 aIncludePrimaryKeys: boolean);
664 begin
665 GenerateModifySQL(QuotedStrings,SQLText.Lines,aIncludePrimaryKeys);
666 end;
667
668 procedure TIBSQLEditFrame.GenerateDeleteSQL(QuotedStrings: boolean);
669 begin
670 GenerateDeleteSQL(QuotedStrings,SQLText.Lines);
671 end;
672
673 procedure TIBSQLEditFrame.GenerateInsertSQL(QuotedStrings: boolean; SQL: TStrings);
674 var FieldNames: TStrings;
675 ReadOnlyFieldNames: TStrings;
676 InsertFields: TStrings;
677 I: integer;
678 begin
679 SQL.Clear;
680 FieldNames := TStringList.Create;
681 ReadOnlyFieldNames := TStringList.Create;
682 InsertFields := TStringList.Create;
683 try
684 GetFieldNames(PrimaryKeys,InsertFields);
685 for I := InsertFields.Count - 1 downto 0 do
686 if IdentityCols.Active and IdentityCols.Locate('ColumnName;Selected',VarArrayOf([InsertFields[I],1]),[loCaseInsensitive]) then
687 InsertFields.Delete(I);
688 GetFieldNames(FieldNameList,FieldNames,false);
689 InsertFields.AddStrings(FieldNames);
690 GetFieldNames(ReadOnlyFields,ReadOnlyFieldNames,true);
691 GenerateInsertSQL(UserTables.FieldByName('RDB$RELATION_NAME').AsString,QuotedStrings,InsertFields,ReadOnlyFieldNames,SQL);
692 finally
693 FieldNames.Free;
694 ReadOnlyFieldNames.Free;
695 InsertFields.Free;
696 end;
697 DoWrapText(SQL);
698 end;
699
700 procedure TIBSQLEditFrame.GenerateModifySQL(QuotedStrings: boolean;
701 SQL: TStrings; aIncludePrimaryKeys: boolean);
702 var FieldNames: TStrings;
703 ReadOnlyFieldNames: TStrings;
704 UpdateFields: TStrings;
705 begin
706 SQL.Clear;
707 FieldNames := TStringList.Create;
708 ReadOnlyFieldNames := TStringList.Create;
709 UpdateFields := TStringList.Create;
710 try
711 if aIncludePrimaryKeys then
712 GetFieldNames(PrimaryKeys,UpdateFields);
713 GetFieldNames(FieldNameList,FieldNames,false);
714 UpdateFields.AddStrings(FieldNames);
715 GetFieldNames(ReadOnlyFields,ReadOnlyFieldNames,true);
716 GenerateModifySQL(UserTables.FieldByName('RDB$RELATION_NAME').AsString,
717 QuotedStrings,UpdateFields,ReadOnlyFieldNames,SQL);
718 finally
719 FieldNames.Free;
720 ReadOnlyFieldNames.Free;
721 UpdateFields.Free;
722 end;
723 end;
724
725 procedure TIBSQLEditFrame.GenerateDeleteSQL(QuotedStrings: boolean;
726 SQL: TStrings);
727 var ReadOnlyFieldNames: TStrings;
728 begin
729 SQL.Clear;
730 ReadOnlyFieldNames := TStringList.Create;
731 try
732 GetFieldNames(ReadOnlyFields,ReadOnlyFieldNames,true);
733 GenerateDeleteSQL(UserTables.FieldByName('RDB$RELATION_NAME').AsString,QuotedStrings,ReadOnlyFieldNames,SQL)
734 finally
735 ReadOnlyFieldNames.Free;
736 end;
737 end;
738
739 procedure TIBSQLEditFrame.CutExecute(Sender: TObject);
740 begin
741 SQLText.CutToClipboard;
742 end;
743
744 procedure TIBSQLEditFrame.CopyTextExecute(Sender: TObject);
745 begin
746 SQLText.CopyToClipboard;
747 end;
748
749 procedure TIBSQLEditFrame.ClearExecute(Sender: TObject);
750 begin
751 SQLText.Lines.Clear;
752 end;
753
754 procedure TIBSQLEditFrame.AddWhereClause(
755 QuotedStrings: boolean; SQL: TStrings; UseOldValues: boolean);
756 var WhereClause: string;
757 Separator: string;
758 Count: integer;
759 Prefix: string;
760 ColumnName: string;
761 begin
762 Count := 0;
763 WhereClause := 'Where';
764 Separator := ' A.';
765 if UseOldValues then
766 Prefix := ':OLD_'
767 else
768 Prefix := ':';
769 with PrimaryKeys do
770 begin
771 DisableControls;
772 try
773 if State = dsEdit then Post;
774 First;
775 while not EOF do
776 begin
777 if FieldByName('Selected').AsInteger <> 0 then
778 begin
779 Inc(Count);
780 ColumnName := FieldByName('ColumnName').AsString;
781 if QuotedStrings then
782 WhereClause := WhereClause + Separator + '"' + ColumnName +
783 '" = ' + Prefix+ AnsiUpperCase(ColumnName)
784 else
785 WhereClause := WhereClause + Separator + QuoteIdentifierIfNeeded(Database.SQLDialect,ColumnName) +
786 ' = ' + Prefix + AnsiUpperCase(ColumnName);
787 Separator := ' AND A.';
788 end;
789 Next;
790 end;
791 finally
792 EnableControls
793 end;
794 end;
795 if Count > 0 then
796 SQL.Add(WhereClause);
797 end;
798
799 function TIBSQLEditFrame.GetSQLType(SQLType: TIBSQLStatementTypes): string;
800 begin
801 case SQLType of
802 SQLUnknown: Result := 'Unknown';
803 SQLSelect: Result := 'Select';
804 SQLInsert: Result := 'Insert';
805 SQLUpdate: Result := 'Update';
806 SQLDelete: Result := 'Delete';
807 SQLDDL: Result := 'DDL';
808 SQLGetSegment: Result := 'GetSegment';
809 SQLPutSegment: Result := 'PutSegment';
810 SQLExecProcedure: Result := 'Execute Procedure';
811 SQLStartTransaction: Result := 'StartTransaction';
812 SQLCommit: Result := 'Commit';
813 SQLRollback: Result := 'Rollback';
814 SQLSelectForUpdate: Result := 'Select for Update';
815 SQLSetGenerator: Result := 'Set Generator';
816 end;
817 end;
818
819 procedure TIBSQLEditFrame.GetFieldNames(Dataset: TDataset;
820 var FieldNames: TStrings; aIncludeReadOnly: boolean);
821 begin
822 with DataSet do
823 begin
824 DisableControls;
825 try
826 if State = dsEdit then Post;
827 First;
828 while not EOF do
829 begin
830 if (FieldByName('Selected').AsInteger <> 0) and (aIncludeReadOnly or (FieldByName('ReadOnly').AsInteger = 0)) then
831 FieldNames.Add(FieldByName('ColumnName').AsString);
832 Next;
833 end;
834 finally
835 EnableControls
836 end;
837 end;
838 end;
839
840 procedure TIBSQLEditFrame.GenerateSelectSQL(TableName: string;
841 QuotedStrings: boolean; FieldNames, PrimaryKeyNames, SQL: TStrings);
842 var SelectSQL: string;
843 Separator : string;
844 I: integer;
845 Lines: TStrings;
846 begin
847 SelectSQL := 'Select';
848 Separator := ' A.';
849 for I := 0 to PrimaryKeyNames.Count - 1 do
850 begin
851 if QuotedStrings then
852 SelectSQL := SelectSQL + Separator + '"' + PrimaryKeyNames[I] + '"'
853 else
854 SelectSQL := SelectSQL + Separator + QuoteIdentifierIfNeeded(Database.SQLDialect,PrimaryKeyNames[I]);
855 Separator := ', A.';
856 end;
857 for I := 0 to FieldNames.Count - 1 do
858 begin
859 if QuotedStrings then
860 SelectSQL := SelectSQL + Separator + '"' + FieldNames[I] + '"'
861 else
862 SelectSQL := SelectSQL + Separator + QuoteIdentifierIfNeeded(Database.SQLDialect,FieldNames[I]);
863 Separator := ', A.';
864 end;
865 if QuotedStrings then
866 SelectSQL := SelectSQL + ' From "' + TableName + '" A'
867 else
868 SelectSQL := SelectSQL + ' From ' + QuoteIdentifierIfNeeded(Database.SQLDialect,TableName) + ' A';
869 Lines := TStringList.Create;
870 try
871 Lines.Text := SelectSQL;
872 SQL.AddStrings(Lines);
873 finally
874 Lines.Free;
875 end;
876 end;
877
878 procedure TIBSQLEditFrame.GenerateInsertSQL(TableName: string;
879 QuotedStrings: boolean; FieldNames, ReadOnlyFieldNames, SQL: TStrings);
880 var InsertSQL: string;
881 Separator: string;
882 Lines: TStrings;
883 I: integer;
884 begin
885 Lines := TStringList.Create;
886 try
887 if QuotedStrings then
888 InsertSQL := 'Insert Into "' + TableName + '" ('
889 else
890 InsertSQL := 'Insert Into ' + QuoteIdentifierIfNeeded(Database.SQLDialect,TableName) + ' (';
891 Separator := '';
892 for I := 0 to FieldNames.Count - 1 do
893 begin
894 if QuotedStrings then
895 InsertSQL := InsertSQL + Separator + '"' + FieldNames[I] + '"'
896 else
897 InsertSQL := InsertSQL + Separator + QuoteIdentifierIfNeeded(Database.SQLDialect,FieldNames[I]) ;
898 Separator := ', ';
899 end;
900 InsertSQL := InsertSQL + ')';
901 Lines.Add(InsertSQL);
902 InsertSQL := 'Values(';
903 Separator := ':';
904 for I := 0 to FieldNames.Count - 1 do
905 begin
906 InsertSQL := InsertSQL + Separator + AnsiUpperCase(FieldNames[I]) ;
907 Separator := ', :';
908 end;
909 InsertSQL := InsertSQL + ')';
910 Lines.Add(InsertSQL);
911
912 {Is database Firebird 2.1 or later?}
913 if (DatabaseInfo.ODSMajorVersion > 11) or
914 ((DatabaseInfo.ODSMajorVersion = 11) and (DatabaseInfo.ODSMinorVersion >= 1)) then
915 begin
916 InsertSQL := '';
917 Separator := ' RETURNING ';
918 if IdentityCols.Active and (IdentityCols.RecordCount > 0) then
919 begin
920 IdentityCols.First;
921 while not IdentityCols.Eof do
922 begin
923 if (IdentityCols.FieldByName('Selected').AsInteger <> 0) and
924 (not PrimaryKeys.Active or not PrimaryKeys.Locate('columnName;Selected',
925 VarArrayOf([IdentityCols.FieldByName('ColumnName').AsString,0]),[loCaseInsensitive])) then
926 begin
927 InsertSQL := InsertSQL + Separator + QuoteIdentifierIfNeeded(Database.SQLDialect,IdentityCols.FieldByName('ColumnName').AsString);
928 Separator := ', ';
929 end;
930 IdentityCols.Next;
931 end;
932 end;
933 for I := 0 to ReadOnlyFieldNames.Count - 1 do
934 begin
935 if QuotedStrings then
936 InsertSQL := InsertSQL + Separator + '"' + ReadOnlyFieldNames[I] + '"'
937 else
938 InsertSQL := InsertSQL + Separator + QuoteIdentifierIfNeeded(Database.SQLDialect,ReadOnlyFieldNames[I]);
939 Separator := ', ';
940 end;
941 Lines.Add(InsertSQL);
942 end;
943 SQL.AddStrings(Lines);
944 finally
945 Lines.Free;
946 end;
947 end;
948
949 procedure TIBSQLEditFrame.GenerateModifySQL(TableName: string;
950 QuotedStrings: boolean; FieldNames, ReadOnlyFieldNames, SQL: TStrings);
951 var UpdateSQL: string;
952 Separator: string;
953 I: integer;
954 begin
955 Separator := ' A.';
956 if QuotedStrings then
957 UpdateSQL := 'Update "' + TableName + '" A Set '
958 else
959 UpdateSQL := 'Update ' + QuoteIdentifierIfNeeded(Database.SQLDialect,TableName) + ' A Set ';
960 SQL.Add(UpdateSQL);
961 for I := 0 to FieldNames.Count - 1 do
962 begin
963 if QuotedStrings then
964 UpdateSQL := Separator + '"' + FieldNames[I] + '" = :' + AnsiUpperCase(FieldNames[I])
965 else
966 UpdateSQL := Separator + QuoteIdentifierIfNeeded(Database.SQLDialect,FieldNames[I]) + ' = :' + AnsiUpperCase(FieldNames[I]);
967 if I < FieldNames.Count - 1 then
968 UpdateSQL := UpdateSQL + ',';
969 SQL.Add(UpdateSQL);
970 end;
971 AddWhereClause(QuotedStrings,SQL,true);
972
973 {Is database Firebird 2.1 or later?}
974 if (DatabaseInfo.ODSMajorVersion > 11) or
975 ((DatabaseInfo.ODSMajorVersion = 11) and (DatabaseInfo.ODSMinorVersion >= 1)) then
976 begin
977 Separator := ' RETURNING A.';
978 UpdateSQL := '';
979 for I := 0 to ReadOnlyFieldNames.Count - 1 do
980 begin
981 if QuotedStrings then
982 UpdateSQL := UpdateSQL + Separator + '"' + ReadOnlyFieldNames[I] + '"'
983 else
984 UpdateSQL := UpdateSQL + Separator + QuoteIdentifierIfNeeded(Database.SQLDialect,ReadOnlyFieldNames[I]);
985 Separator := ', A.';
986 end;
987 SQL.Add(UpdateSQL);
988 end;
989 end;
990
991 procedure TIBSQLEditFrame.GenerateDeleteSQL(TableName: string;
992 QuotedStrings: boolean; ReadOnlyFieldNames, SQL: TStrings);
993 {var ReturningText, Separator: string;
994 I: integer; }
995 begin
996 if QuotedStrings then
997 SQL.Add('Delete From "' + TableName + '" A')
998 else
999 SQL.Add('Delete From ' + QuoteIdentifierIfNeeded(Database.SQLDialect,TableName) + ' A');
1000 AddWhereClause(QuotedStrings,SQL,true);
1001 { Separator := ' RETURNING A.';
1002 ReturningText := '';
1003 for I := 0 to ReadOnlyFieldNames.Count - 1 do
1004 begin
1005 if QuotedStrings then
1006 ReturningText := ReturningText + Separator + '"' + ReadOnlyFieldNames[I] + '"'
1007 else
1008 ReturningText := ReturningText + Separator + QuoteIdentifierIfNeeded(Database.SQLDialect,ReadOnlyFieldNames[I]);
1009 Separator := ', A.';
1010 end;
1011 SQL.Add(ReturningText);}
1012 end;
1013
1014 const
1015 sqlCheckProcedureNames = 'Select * From RDB$PROCEDURES Where Upper(Trim(RDB$PROCEDURE_NAME)) = Upper(:ProcName)';
1016
1017 function TIBSQLEditFrame.GetStatementType(var IsStoredProcedure: boolean
1018 ): TIBSQLStatementTypes;
1019 var TableName: string;
1020 begin
1021 Result := sqlUnknown;
1022 if not assigned(Database) or not Database.Connected or (Trim(SQLText.Lines.Text) = '') then
1023 Exit;
1024 IsStoredProcedure := false;
1025 with TIBSQL.Create(nil) do
1026 try
1027 Database := self.Database;
1028 Transaction := SQLTransaction;
1029 SQL.Assign(SQLText.Lines);
1030 GenerateParamNames := true; {permissive}
1031 try
1032 Prepare;
1033 Result := SQLStatementType
1034 except on E:EIBError do
1035 // ShowMessage(E.Message);
1036 end;
1037 if (Result = SQLSelect) and (MetaData.Count > 0) then
1038 begin
1039 TableName := MetaData[0].GetRelationName;
1040 SQL.Text := sqlCheckProcedureNames;
1041 Prepare;
1042 ParamByName('ProcName').AsString := TableName;
1043 ExecQuery;
1044 try
1045 IsStoredProcedure := not EOF;
1046 finally
1047 Close
1048 end;
1049 end;
1050 finally
1051 Free
1052 end;
1053 end;
1054
1055 procedure TIBSQLEditFrame.GenerateExecuteSQL(PackageName,ProcName: string;
1056 QuotedStrings: boolean; ExecuteOnly: boolean; InputParams, OutputParams,
1057 ExecuteSQL: TStrings);
1058
1059 function GetProcName: string;
1060 begin
1061 if QuotedStrings then
1062 begin
1063 if PackageName = '' then
1064 Result := QuoteIdentifier(Database.SQLDialect,ProcName)
1065 else
1066 Result := QuoteIdentifier(Database.SQLDialect,PackageName) + '.' +
1067 QuoteIdentifier(Database.SQLDialect,ProcName);
1068 end
1069 else
1070 if PackageName = '' then
1071 Result := QuoteIdentifierIfNeeded(Database.SQLDialect,ProcName)
1072 else
1073 Result := QuoteIdentifierIfNeeded(Database.SQLDialect,PackageName) + '.' +
1074 QuoteIdentifierIfNeeded(Database.SQLDialect,ProcName);
1075 end;
1076
1077 var SQL: string;
1078 I: integer;
1079 Separator: string;
1080 Lines: TStrings;
1081 begin
1082 Lines := TStringList.Create;
1083 try
1084 Separator := '';
1085 if not ExecuteOnly and (OutputParams.Count > 0) then //Select Query
1086 begin
1087 SQL := 'Select ';
1088 for I := 0 to OutputParams.Count - 1 do
1089 begin
1090 if QuotedStrings then
1091 SQL := SQL + Separator + '"' + OutputParams[I] + '"'
1092 else
1093 SQL := SQL + Separator + QuoteIdentifierIfNeeded(Database.SQLDialect,OutputParams[I]);
1094 Separator := ', ';
1095 end;
1096 SQL := SQL + ' From ' + GetProcName;
1097 if InputParams.Count > 0 then
1098 begin
1099 Separator := '(:';
1100 for I := 0 to InputParams.Count - 1 do
1101 begin
1102 SQL := SQL + Separator + AnsiUpperCase(InputParams[I]);
1103 Separator := ', :';
1104 end;
1105 SQL := SQL + ')'
1106 end
1107 end
1108 else // Execute Procedure
1109 begin
1110 SQL := 'Execute Procedure ' + GetProcName;
1111 if InputParams.Count > 0 then
1112 begin
1113 Separator := ' :';
1114 for I := 0 to InputParams.Count - 1 do
1115 begin
1116 SQL := SQL + Separator + AnsiUpperCase(InputParams[I]);
1117 Separator := ', :';
1118 end;
1119 end
1120 end;
1121 Lines.Add(SQL + ';');
1122 ExecuteSQL.AddStrings(Lines);
1123 finally
1124 Lines.Free
1125 end
1126 end;
1127
1128 procedure TIBSQLEditFrame.InsertSelectedPrimaryKey;
1129 begin
1130 SQLText.SelText := PrimaryKeys.FieldByName('ColumnName').AsString;
1131 SQLText.SetFocus
1132 end;
1133
1134 procedure TIBSQLEditFrame.InsertSelectedFieldName;
1135 begin
1136 SQLText.SelText := FieldNameList.FieldByName('ColumnName').AsString;
1137 SQLText.SetFocus
1138 end;
1139
1140 procedure TIBSQLEditFrame.InsertTableName;
1141 begin
1142 SQLText.SelText := UserTables.FieldByName('RDB$RELATION_NAME').AsString;
1143 SQLText.SetFocus
1144 end;
1145
1146 procedure TIBSQLEditFrame.InsertProcName;
1147 begin
1148 SQLText.SelText := UserProcedures.FieldByName('RDB$PROCEDURE_NAME').AsString;
1149 SQLText.SetFocus
1150 end;
1151
1152 procedure TIBSQLEditFrame.InsertPackageName;
1153 begin
1154 if PackageNames.Active and (PackageNames.FieldByName('PACKAGE_NAME_TYPE').AsInteger = 1) then
1155 begin
1156 SQLText.SelText := PackageNames.FieldByName('RDB$PACKAGE_NAME').AsString;
1157 SQLText.SetFocus
1158 end;
1159 end;
1160
1161 procedure TIBSQLEditFrame.InsertSelectedInputParam;
1162 begin
1163 SQLText.SelText := ProcInputParams.FieldByName('ColumnName').AsString;
1164 SQLText.SetFocus
1165 end;
1166
1167 procedure TIBSQLEditFrame.InsertSelectedOutputParam;
1168 begin
1169 SQLText.SelText := ProcOutputParams.FieldByName('ColumnName').AsString;
1170 SQLText.SetFocus
1171 end;
1172
1173 procedure TIBSQLEditFrame.InsertSelectedIdentityCol;
1174 begin
1175 SQLText.SelText := IdentityCols.FieldByName('ColumnName').AsString;
1176 SQLText.SetFocus
1177 end;
1178
1179 procedure TIBSQLEditFrame.InsertSelectedReadOnlyField;
1180 begin
1181 SQLText.SelText := ReadOnlyFields.FieldByName('ColumnName').AsString;
1182 SQLText.SetFocus
1183 end;
1184
1185 procedure TIBSQLEditFrame.OpenUserProcedures;
1186 begin
1187 if DatabaseInfo.ODSMajorVersion < 12 then
1188 UserProcedures.Active := true
1189 else
1190 PackageNames.Active := true;
1191 end;
1192
1193 procedure GetSymbols(Lines: TStrings; var WordList: TStrings; MaxSymbols: integer = 3);
1194 var Tokeniser: TSynSQLSyn;
1195 i: integer;
1196 Token: string;
1197 begin
1198 Tokeniser := TSynSQLSyn.Create(nil); {use the highligher as a tokeniser}
1199 try
1200 Tokeniser.SQLDialect := sqlInterbase6;
1201 for i := 0 to Lines.Count - 1 do
1202 begin
1203 Tokeniser.SetLine(Lines[i],i);
1204 repeat
1205 if not (Tokeniser.GetTokenID in [tkComment,tkSpace,tkUnknown]) then
1206 begin
1207 Dec(MaxSymbols);
1208 Token := Tokeniser.GetToken;
1209 if (Length(Token) > 1) and (Token[1] = '"') and (Token[Length(Token)] = '"') then
1210 WordList.AddObject(system.copy(Token,2,Length(Token)-2),WordList) {note convention to indicate quoted}
1211 else
1212 WordList.Add(AnsiUpperCase(Token));
1213 // writeln(WordList[WordList.Count-1]);
1214 end;
1215 if MaxSymbols = 0 then
1216 Exit;
1217 Tokeniser.Next;
1218 until Tokeniser.GetEol;
1219 end;
1220 finally
1221 Tokeniser.Free;
1222 end;
1223 end;
1224
1225 function TIBSQLEditFrame.SyncQueryBuilder: TIBSQLStatementTypes;
1226 begin
1227 Result := SyncQueryBuilder(SQLText.Lines);
1228 end;
1229
1230 function TIBSQLEditFrame.SyncQueryBuilder(SQL: TStrings): TIBSQLStatementTypes;
1231 var TableName: string;
1232 FirstWord: string;
1233 Symbols: TStrings;
1234 i: integer;
1235
1236 function FindProcedure(StartIndex: integer): boolean;
1237 begin
1238 if StartIndex >= Symbols.Count then Exit;
1239
1240 if DatabaseInfo.ODSMajorVersion < 12 then {No packages}
1241 begin
1242 UserProcedures.Active := true;
1243 Result := UserProcedures.Locate('RDB$PROCEDURE_NAME',Symbols[StartIndex],[]);
1244 end
1245 else
1246 begin
1247 PackageNames.Active := true;
1248 if (StartIndex < Symbols.Count - 2) and (Symbols[StartIndex+1] = '.') and
1249 PackageNames.Locate('RDB$PACKAGE_NAME',Symbols[StartIndex],[]) then
1250 Result := UserProcedures.Locate('RDB$PROCEDURE_NAME',Symbols[StartIndex+2],[])
1251 else
1252 Result := UserProcedures.Locate('RDB$PROCEDURE_NAME',Symbols[StartIndex],[]);
1253 end;
1254 end;
1255
1256 begin
1257 if (Database = nil) or not Database.Connected or FQuerySync then Exit;
1258
1259 FQuerySync := true;
1260 Result := SQLUnknown;
1261 TableName := '';
1262 Symbols := TStringList.Create;
1263 try
1264 try
1265 IdentifyStatementSQL.Transaction.Active := true;
1266 IdentifyStatementSQL.SQL.Assign(SQL);
1267 IdentifyStatementSQL.Prepare;
1268 Result := IdentifyStatementSQL.SQLStatementType;
1269 case Result of
1270 SQLSelect:
1271 begin
1272 if IdentifyStatementSQL.MetaData.Count > 0 then
1273 TableName := IdentifyStatementSQL.MetaData[0].GetRelationName
1274 else
1275 Exit;
1276 if (Pos('MON$',TableName) > 0) or (Pos('RDB$',TableName) > 0) or (Pos('SEC$',TableName) > 0) then
1277 IncludeSystemTables := true;
1278
1279 if not UserTables.Locate('RDB$RELATION_NAME',TableName,[]) then
1280 begin
1281 {We don't know if the stored procedure is in a package because
1282 the relationname is always the procedure name regardless of
1283 whether it is a non-package procedure or in a package. Hence,
1284 we have to look for the From keyword to find the full procedure name}
1285 GetSymbols(IdentifyStatementSQL.SQL,Symbols,-1); {Get All Symbols}
1286 for i := 0 to Symbols.Count - 1 do
1287 begin
1288 if (Symbols[i] = 'FROM') and (Symbols.Objects[i] = nil) then
1289 begin
1290 if FindProcedure(i+1) then
1291 Result := SQLExecProcedure;
1292 Exit;
1293 end;
1294 end;
1295 {Should have found it - try relationname in hope rather than expectation}
1296 UserProcedures.Active := true;
1297 if UserProcedures.Locate('RDB$PROCEDURE_NAME',TableName,[]) then
1298 Result := SQLExecProcedure;
1299 end;
1300 end;
1301 { If not a select statement then return table or procedure name
1302 as First Table Name }
1303 SQLUpdate:
1304 begin
1305 GetSymbols(IdentifyStatementSQL.SQL,Symbols,2);
1306 UserTables.Locate('RDB$RELATION_NAME',Symbols[1],[]);
1307 end;
1308
1309 SQLInsert:
1310 begin
1311 GetSymbols(IdentifyStatementSQL.SQL,Symbols,3);
1312 UserTables.Locate('RDB$RELATION_NAME',Symbols[2],[]);
1313 end;
1314
1315 SQLDelete:
1316 begin
1317 GetSymbols(IdentifyStatementSQL.SQL,Symbols,3);
1318 UserTables.Locate('RDB$RELATION_NAME',Symbols[2],[]);
1319 end;
1320
1321 SQLExecProcedure:
1322 begin
1323 GetSymbols(IdentifyStatementSQL.SQL,Symbols,5);
1324 FirstWord := Symbols[0];
1325 if FirstWord = 'INSERT' then {INSERT...RETURNING}
1326 begin
1327 UserTables.Locate('RDB$RELATION_NAME',Symbols[2],[]);
1328 Result := SQLInsert;
1329 end
1330 else
1331 if FirstWord = 'UPDATE' then {UPDATE...RETURNING}
1332 begin
1333 UserTables.Locate('RDB$RELATION_NAME',Symbols[1],[]);
1334 Result := SQLUpdate;
1335 end
1336 else
1337 if FirstWord = 'DELETE' then {DELETE...RETURNING}
1338 begin
1339 UserTables.Locate('RDB$RELATION_NAME',Symbols[2],[]);
1340 Result := SQLDelete;
1341 end
1342 else
1343 FindProcedure(2);
1344 end;
1345 end
1346 except on E:EIBError do
1347 // ShowMessage(E.Message);
1348 end;
1349 finally
1350 Symbols.Free;
1351 FQuerySync := false;
1352 end;
1353 end;
1354
1355 procedure TIBSQLEditFrame.TestSQL(GenerateParamNames: boolean);
1356 begin
1357 if not assigned(Database) or not Database.Connected then
1358 begin
1359 Messagedlg('No Database Connected',mtError,[mbOK],0);
1360 Exit;
1361 end;
1362 with TIBSQL.Create(nil) do
1363 try
1364 Database := self.Database;
1365 Transaction := SQLTransaction;
1366 GenerateParamNames := GenerateParamNames;
1367 SQL.Assign(SQLText.Lines);
1368 try
1369 Prepare;
1370 ShowMessage('SQL '+ GetSQLType(SQLStatementType) + ' Statement Looks OK');
1371 except on E:EIBError do
1372 ShowMessage(E.Message);
1373 end;
1374 finally
1375 Free
1376 end;
1377 end;
1378
1379
1380 end.
1381