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Comparing ibx/trunk/runtime/IBTable.pas (file contents):
Revision 27 by tony, Tue Apr 14 13:10:23 2015 UTC vs.
Revision 143 by tony, Fri Feb 23 12:11:21 2018 UTC

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1	<	{************************************************************************}
2	<	{                                                                        }
3	<	{       Borland Delphi Visual Component Library                          }
4	<	{       InterBase Express core components                                }
5	<	{                                                                        }
6	<	{       Copyright (c) 1998-2000 Inprise Corporation                      }
7	<	{                                                                        }
8	<	{    InterBase Express is based in part on the product                   }
9	<	{    Free IB Components, written by Gregory H. Deatz for                 }
10	<	{    Hoagland, Longo, Moran, Dunst & Doukas Company.                     }
11	<	{    Free IB Components is used under license.                           }
12	<	{                                                                        }
13	<	{    The contents of this file are subject to the InterBase              }
14	<	{    Public License Version 1.0 (the "License"); you may not             }
15	<	{    use this file except in compliance with the License. You            }
16	<	{    may obtain a copy of the License at http://www.Inprise.com/IPL.html }
17	<	{    Software distributed under the License is distributed on            }
18	<	{    an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either              }
19	<	{    express or implied. See the License for the specific language       }
20	<	{    governing rights and limitations under the License.                 }
21	<	{    The Original Code was created by InterBase Software Corporation     }
22	<	{       and its successors.                                              }
23	<	{    Portions created by Inprise Corporation are Copyright (C) Inprise   }
24	<	{       Corporation. All Rights Reserved.                                }
25	<	{    Contributor(s): Jeff Overcash                                       }
26	<	{                                                                        }
27	<	{    IBX For Lazarus (Firebird Express)                                  }
28	<	{    Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk }
29	<	{    Portions created by MWA Software are copyright McCallum Whyman      }
30	<	{    Associates Ltd 2011                                                 }
31	<	{                                                                        }
32	<	{************************************************************************}
33	<
34	<	unit IBTable;
35	<
36	<	{$Mode Delphi}
37	<
38	<	interface
39	<
40	<	uses SysUtils, Classes, DB, IB,  IBCustomDataSet,
41	<	IBSQL, IBUtils;
42	<
43	<	type
44	<
45	<	{ TIBTable }
46	<
47	<	TIBTableType = (ttSystem, ttView);
48	<	TIBTableTypes = set of TIBTableType;
49	<	TIndexName = String;
50	<
51	<	TIBTable = class;
52	<
53	<	TIBTable = class(TIBCustomDataSet)
54	<	private
55	<	FSystemTable: Boolean;
56	<	FMultiTableView: Boolean;
57	<	FMasterLink: TMasterDataLink;
58	<	FMasterFieldsList: TStringList;
59	<	FDetailFieldsList: TStringList;
60	<	FStoreDefs: Boolean;
61	<	FIndexDefs: TIndexDefs;
62	<	FDefaultIndex: Boolean;
63	<	FReadOnly: Boolean;
64	<	FFieldsIndex: Boolean;
65	<	FTableName: String;
66	<	FIndexName: TIndexName;
67	<	FRegenerateSQL: Boolean;
68	<	FNameList: TStrings;
69	<	FSwitchingIndex: Boolean;
70	<	FPrimaryIndexFields: string;
71	<	FTableTypes: TIBTableTypes;
72	<	WhereAllRefreshSQL: TStrings;
73	<	WhereDBKeyRefreshSQL: TStrings;
74	<	WherePrimaryRefreshSQL: TStrings;
75	<
76	<	function GetIndexFieldCount: Integer;
77	<	function GetIndexField(Index: Integer): TField;
78	<	procedure MasterChanged(Sender: TObject);
79	<	procedure MasterDisabled(Sender: TObject);
80	<	procedure SetDataSource(Value: TDataSource);
81	<	procedure SetIndexField(Index: Integer; Value: TField);
82	<	procedure SetIndexFieldNames(const Value: string);
83	<	procedure GenerateSQL;
84	<	procedure GenerateUpdateSQL;
85	<	procedure SwitchToIndex();
86	<	procedure InternalTableRefresh();
87	<	function GetTableNames: TStrings;
88	<	procedure GetTableNamesFromServer;
89	<	procedure SetTableTypes(
90	<	const Value: TIBTableTypes);
91	<	function InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
92	<	function FormatFieldsList(Value: string): string;
93	<	function GetCurrentDBKey: TIBDBKey;
94	<	function InternalGetUpdatable: Boolean;
95	<	function GetExists: Boolean;
96	<	procedure SetIndexDefs(Value: TIndexDefs);
97	<	procedure ExtractLinkFields;
98	<	function FieldDefsStored: Boolean;
99	<	function IndexDefsStored: Boolean;
100	<	function GetMasterFields: string;
101	<	procedure SetMasterFields(const Value: string);
102	<	function GetIndexFieldNames: string;
103	<	function GetIndexName: string;
104	<	procedure SetIndexName(const Value: string);
105	<	procedure SetParams;
106	<	procedure SetReadOnly(Value: Boolean);
107	<	procedure SetTableName(Value: String);
108	<	procedure SetIndex(const Value: string; FieldsIndex: Boolean);
109	<	procedure ResetSQLStatements;
110	<	procedure Reopen;
111	<
112	<	protected
113	<
114	<	procedure DoOnNewRecord; override;
115	<	procedure GetIndexParams(const IndexName: string; FieldsIndex: Boolean;
116	<	var IndexedName: string);
117	<	function GetCanModify: Boolean; override;
118	<	procedure UpdateIndexDefs; override;
119	<	procedure DataEvent(Event: TDataEvent; Info: Ptrint); override;
120	<	procedure DefChanged(Sender: TObject); virtual;
121	<	function GetDataSource: TDataSource; override;
122	<	procedure InitFieldDefs; override;
123	<	procedure InternalClose; override;
124	<	procedure InternalOpen; override;
125	<	procedure InternalRefresh; override;
126	<	procedure SetFiltered(Value: Boolean); override;
127	<	procedure SetFilterText(const Value: string); override;
128	<	procedure SetFilterOptions(Value: TFilterOptions); override;
129	<	procedure InternalRefreshRow; override;
130	<
131	<	public
132	<	constructor Create(AOwner: TComponent); override;
133	<	destructor Destroy; override;
134	<	procedure AddIndex(const Name, Fields: string; Options: TIndexOptions;
135	<	const DescFields: string = '');
136	<	procedure CreateTable;
137	<	procedure DeleteIndex(const Name: string);
138	<	procedure DeleteTable;
139	<	procedure EmptyTable;
140	<	procedure GetDetailLinkFields(MasterFields, DetailFields: TList); virtual;
141	<	procedure GetIndexNames(List: TStrings);
142	<	procedure GotoCurrent(Table: TIBTable);
143	<	property CurrentDBKey: TIBDBKey read GetCurrentDBKey;
144	<	property Exists: Boolean read GetExists;
145	<	property IndexFieldCount: Integer read GetIndexFieldCount;
146	<	property IndexFields[Index: Integer]: TField read GetIndexField write SetIndexField;
147	<	property TableNames: TStrings read GetTableNames;
148	<
149	<	published
150	<	property AutoCommit;
151	<	property Active;
152	<	property BufferChunks;
153	<	property CachedUpdates;
154	<	property DataSetCloseAction;
155	<	//    property Constraints stored ConstraintsStored;
156	<	property DefaultIndex: Boolean read FDefaultIndex write FDefaultIndex default True;
157	<	property FieldDefs stored FieldDefsStored;
158	<	property Filter;
159	<	property Filtered;
160	<	property IndexDefs: TIndexDefs read FIndexDefs write SetIndexDefs stored IndexDefsStored;
161	<	property IndexFieldNames: string read GetIndexFieldNames write SetIndexFieldNames;
162	<	property IndexName: string read GetIndexName write SetIndexName;
163	<	property MasterFields: string read GetMasterFields write SetMasterFields;
164	<	property MasterSource: TDataSource read GetDataSource write SetDataSource;
165	<	property ReadOnly: Boolean read FReadOnly write SetReadOnly default False;
166	<	property StoreDefs: Boolean read FStoreDefs write FStoreDefs default False;
167	<	property TableName: String read FTableName write SetTableName;
168	<	property TableTypes: TIBTableTypes read FTableTypes write SetTableTypes default [];
169	<	property UpdateObject;
170	<	property UniDirectional;
171	<
172	<	property BeforeDatabaseDisconnect;
173	<	property AfterDatabaseDisconnect;
174	<	property DatabaseFree;
175	<	property BeforeTransactionEnd;
176	<	property AfterTransactionEnd;
177	<	property TransactionFree;
178	<	property OnFilterRecord;
179	<	end;
180	<
181	<	implementation
182	<
183	<	{ TIBTable }
184	<
185	<	constructor TIBTable.Create(AOwner: TComponent);
186	<	begin
187	<	inherited Create(AOwner);
188	<	FNameList := TStringList.Create;
189	<	FSwitchingIndex := False;
190	<	FIndexDefs := TIndexDefs.Create(Self);
191	<	WhereAllRefreshSQL := TStringList.Create;
192	<	WhereDBKeyRefreshSQL := TStringList.Create;
193	<	WherePrimaryRefreshSQL := TStringList.Create;
194	<	FDefaultIndex := True;
195	<	FRegenerateSQL := True;
196	<	FMasterFieldsList := TStringList.Create;
197	<	FDetailFieldsList := TStringList.Create;
198	<	FMasterLink := TMasterDataLink.Create(Self);
199	<	FMasterLink.OnMasterChange := MasterChanged;
200	<	FMasterLink.OnMasterDisable := MasterDisabled;
201	<	QRefresh.OnSQLChanging := nil;
202	<	QDelete.OnSQLChanging := nil;
203	<	QInsert.OnSQLChanging := nil;
204	<	QModify.OnSQLChanging := nil;
205	<	end;
206	<
207	<	destructor TIBTable.Destroy;
208	<	begin
209	<	FNameList.Free;
210	<	FIndexDefs.Free;
211	<	FMasterFieldsList.Free;
212	<	FDetailFieldsList.Free;
213	<	FMasterLink.Free;
214	<	WhereAllRefreshSQL.Free;
215	<	WhereDBKeyRefreshSQL.Free;
216	<	WherePrimaryRefreshSQL.Free;
217	<	inherited Destroy;
218	<	end;
219	<
220	<	procedure TIBTable.InternalClose;
221	<	begin
222	<	DataEvent(dePropertyChange, 0);
223	<	inherited InternalClose;
224	<	end;
225	<
226	<	procedure TIBTable.InternalOpen;
227	<	begin
228	<	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
229	<	ActivateConnection;
230	<	ActivateTransaction;
231	<	if FRegenerateSQL then
232	<	begin
233	<	InternalUnprepare;
234	<	GenerateSQL;
235	<	if not FReadOnly then
236	<	GenerateUpdateSQL;
237	<	FRegenerateSQL := False;
238	<	end;
239	<	{  writeln(SelectSQL.Text);
240	<	writeln(InsertSQL.Text);
241	<	writeln(DeleteSQL.Text);
242	<	writeln(ModifySQL.Text); }
243	<	SetParams;
244	<	inherited InternalOpen;
245	<	end;
246	<
247	<	procedure TIBTable.InternalRefresh;
248	<	var
249	<	DBKey: TIBDBKey;
250	<	begin
251	<	DBKey := CurrentDBKey;
252	<	Reopen;
253	<	if DBKey.DBKey[0] <> 0 then
254	<	InternalGotoDBKey(DBKey);
255	<	end;
256	<
257	<	procedure TIBTable.SetFiltered(Value: Boolean);
258	<	begin
259	<	if(Filtered <> Value) then
260	<	begin
261	<	inherited SetFiltered(value);
262	<	if Active then
263	<	InternalTableRefresh;
264	<	end
265	<	else
266	<	inherited SetFiltered(value);
267	<	end;
268	<
269	<	procedure TIBTable.SetFilterText(const Value: string);
270	<	begin
271	<	if Filtered and (Value <> Filter) then
272	<	begin
273	<	inherited SetFilterText(value);
274	<	InternalTableRefresh;
275	<	end
276	<	else
277	<	inherited SetFilterText(value);
278	<	end;
279	<
280	<	procedure TIBTable.SetFilterOptions(Value: TFilterOptions);
281	<	begin
282	<	if Value <> [] then
283	<	IBError(ibxeNotSupported, [nil]);
284	<	end;
285	<
286	<	procedure TIBTable.InternalRefreshRow;
287	<	begin
288	<	if CurrentDBKey.DBKey[0] <> 0 then
289	<	QRefresh.SQL.Assign(WhereDBKeyRefreshSQL)
290	<	else if WherePrimaryRefreshSQL.Text <> '' then
291	<	QRefresh.SQL.Assign(WherePrimaryRefreshSQL)
292	<	else
293	<	QRefresh.SQL.Assign(WhereAllRefreshSQL);
294	<	inherited InternalRefreshRow;
295	<	end;
296	<
297	<	procedure TIBTable.DefChanged(Sender: TObject);
298	<	begin
299	<	StoreDefs := True;
300	<	end;
301	<
302	<	procedure TIBTable.InitFieldDefs;
303	<	var
304	<	DidActivate: Boolean;
305	<	Query: TIBSQL;
306	<	begin
307	<	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
308	<	if (InternalPrepared) then
309	<	InternalInitFieldDefs
310	<	else
311	<	begin
312	<	{Get the field defs from a simple query on the table}
313	<	ActivateConnection;
314	<	Query := TIBSQL.Create(self);
315	<	try
316	<	Query.Database := DataBase;
317	<	Query.Transaction := Database.InternalTransaction;
318	<	DidActivate := false;
319	<	Query.SQL.Text := 'Select * from ' + QuoteIdentifier(DataBase.SQLDialect, FTableName);
320	<	with Query.Transaction do
321	<	begin
322	<	if not InTransaction then
323	<	begin
324	<	StartTransaction;
325	<	DidActivate := true
326	<	end;
327	<	end;
328	<	Query.Prepare;
329	<	if DidActivate then
330	<	Query.Transaction.Rollback;
331	<	FieldDefsFromQuery(Query);
332	<	finally
333	<	Query.Free;
334	<	end;
335	<	end;
336	<	end;
337	<
338	<	{ Index / Ranges / Keys }
339	<
340	<	procedure TIBTable.AddIndex(const Name, Fields: string; Options: TIndexOptions;
341	<	const DescFields: string);
342	<	var
343	<	Query: TIBSQL;
344	<	FieldList: string;
345	<	begin
346	<	FieldDefs.Update;
347	<	if Active then begin
348	<	CheckBrowseMode;
349	<	CursorPosChanged;
350	<	end;
351	<	Query := TIBSQL.Create(self);
352	<	try
353	<	Query.Database := DataBase;
354	<	Query.Transaction := Transaction;
355	<	FieldList := FormatFieldsList(Fields);
356	<	if (ixPrimary in Options) then
357	<	begin
358	<	Query.SQL.Text := 'Alter Table ' + {do not localize}
359	<	QuoteIdentifier(Database.SQLDialect, FTableName) +
360	<	' Add CONSTRAINT ' +   {do not localize}
361	<	QuoteIdentifier(Database.SQLDialect, Name)
362	<	+ ' Primary Key (' + {do not localize}
363	<	FormatFieldsList(Fields) +
364	<	')';
365	<	end
366	<	else if ([ixUnique, ixDescending] * Options = [ixUnique, ixDescending]) then
367	<	Query.SQL.Text := 'Create unique Descending Index ' + {do not localize}
368	<	QuoteIdentifier(Database.SQLDialect, Name) +
369	<	' on ' + {do not localize}
370	<	QuoteIdentifier(Database.SQLDialect, FTableName) +
371	<	' (' + FieldList + ')'
372	<	else if (ixUnique in Options) then
373	<	Query.SQL.Text := 'Create unique Index ' + {do not localize}
374	<	QuoteIdentifier(Database.SQLDialect, Name) +
375	<	' on ' + {do not localize}
376	<	QuoteIdentifier(Database.SQLDialect, FTableName) +
377	<	' (' + FieldList + ')'
378	<	else if (ixDescending in Options) then
379	<	Query.SQL.Text := 'Create Descending Index ' + {do not localize}
380	<	QuoteIdentifier(Database.SQLDialect, Name) +
381	<	' on ' + {do not localize}
382	<	QuoteIdentifier(Database.SQLDialect, FTableName) +
383	<	' (' + FieldList + ')'
384	<	else
385	<	Query.SQL.Text := 'Create Index ' + {do not localize}
386	<	QuoteIdentifier(Database.SQLDialect, Name) +
387	<	' on ' + {do not localize}
388	<	QuoteIdentifier(Database.SQLDialect, FTableName) +
389	<	' (' + FieldList + ')';
390	<	Query.Prepare;
391	<	Query.ExecQuery;
392	<	IndexDefs.Updated := False;
393	<	finally
394	<	Query.free
395	<	end;
396	<	end;
397	<
398	<	procedure TIBTable.DeleteIndex(const Name: string);
399	<	var
400	<	Query: TIBSQL;
401	<
402	<	procedure DeleteByIndex;
403	<	begin
404	<	Query := TIBSQL.Create(self);
405	<	try
406	<	Query.Database := DataBase;
407	<	Query.Transaction := Transaction;
408	<	Query.SQL.Text := 'Drop index ' +  {do not localize}
409	<	QuoteIdentifier(Database.SQLDialect, Name);
410	<	Query.Prepare;
411	<	Query.ExecQuery;
412	<	IndexDefs.Updated := False;
413	<	finally
414	<	Query.Free;
415	<	end;
416	<	end;
417	<
418	<	function DeleteByConstraint: Boolean;
419	<	begin
420	<	Result := False;
421	<	Query := TIBSQL.Create(self);
422	<	try
423	<	Query.Database := DataBase;
424	<	Query.Transaction := Transaction;
425	<	Query.SQL.Text := 'Select ''foo'' from RDB$RELATION_CONSTRAINTS ' +
426	<	'where RDB$RELATION_NAME = ' +
427	<	'''' +
428	<	FormatIdentifierValue(Database.SQLDialect,
429	<	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
430	<	''' ' +
431	<	' AND RDB$CONSTRAINT_NAME = ' +
432	<	'''' +
433	<	FormatIdentifierValue(Database.SQLDialect,
434	<	QuoteIdentifier(DataBase.SQLDialect, Name)) +
435	<	''' ' +
436	<	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
437	<	Query.Prepare;
438	<	Query.ExecQuery;
439	<	if not Query.EOF then
440	<	begin
441	<	Query.Close;
442	<	Query.SQL.Text := 'Alter Table ' +  {do not localize}
443	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
444	<	' Drop Constraint ' +
445	<	QuoteIdentifier(DataBase.SQLDialect, Name);
446	<	Query.Prepare;
447	<	Query.ExecQuery;
448	<	IndexDefs.Updated := False;
449	<	Result := True;
450	<	end;
451	<	finally
452	<	Query.Free;
453	<	end;
454	<	end;
455	<
456	<	procedure DeleteByKey;
457	<	begin
458	<	Query := TIBSQL.Create(self);
459	<	try
460	<	Query.Database := DataBase;
461	<	Query.Transaction := Transaction;
462	<	Query.SQL.Text := 'Select RDB$CONSTRAINT_NAME from RDB$RELATION_CONSTRAINTS ' +
463	<	'where RDB$RELATION_NAME = ' +
464	<	'''' +
465	<	FormatIdentifierValue(Database.SQLDialect,
466	<	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
467	<	''' ' +
468	<	'AND RDB$INDEX_NAME = ' +
469	<	'''' +
470	<	FormatIdentifierValue(Database.SQLDialect,
471	<	QuoteIdentifier(DataBase.SQLDialect, Name)) +
472	<	''' ' +
473	<	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
474	<	Query.Prepare;
475	<	Query.ExecQuery;
476	<	if not Query.EOF then
477	<	begin
478	<	Query.Close;
479	<	Query.SQL.Text := 'Alter Table ' +  {do not localize}
480	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
481	<	' Drop Constraint ' +
482	<	QuoteIdentifier(DataBase.SQLDialect, Query.Current.ByName('RDB$CONSTRAINT_NAME').AsString);
483	<	Query.Prepare;
484	<	Query.ExecQuery;
485	<	IndexDefs.Updated := False;
486	<	end;
487	<	finally
488	<	Query.Free;
489	<	end;
490	<	end;
491	<
492	<	begin
493	<	if Active then
494	<	CheckBrowseMode;
495	<	IndexDefs.Update;
496	<	if (Pos('RDB$PRIMARY', Name) <> 0 ) then {do not localize} {mbcs ok}
497	<	DeleteByKey
498	<	else if not DeleteByConstraint then
499	<	DeleteByIndex;
500	<	end;
501	<
502	<	function TIBTable.GetIndexFieldNames: string;
503	<	begin
504	<	if FFieldsIndex then Result := FIndexName else Result := '';
505	<	end;
506	<
507	<	function TIBTable.GetIndexName: string;
508	<	begin
509	<	if FFieldsIndex then Result := '' else Result := FIndexName;
510	<	end;
511	<
512	<	procedure TIBTable.GetIndexNames(List: TStrings);
513	<	begin
514	<	IndexDefs.Update;
515	<	IndexDefs.GetItemNames(List);
516	<	end;
517	<
518	<	procedure TIBTable.GetIndexParams(const IndexName: string;
519	<	FieldsIndex: Boolean; var IndexedName: string);
520	<	var
521	<	IndexStr: TIndexName;
522	<	begin
523	<	if IndexName <> '' then
524	<	begin
525	<	IndexDefs.Update;
526	<	IndexStr := IndexName;
527	<	if FieldsIndex then
528	<	IndexStr := IndexDefs.FindIndexForFields(IndexName).Name;
529	<	end;
530	<	IndexedName := IndexStr;
531	<	end;
532	<
533	<	procedure TIBTable.SetIndexDefs(Value: TIndexDefs);
534	<	begin
535	<	IndexDefs.Assign(Value);
536	<	end;
537	<
538	<	procedure TIBTable.SetIndex(const Value: string; FieldsIndex: Boolean);
539	<	begin
540	<	if Active then CheckBrowseMode;
541	<	if (FIndexName <> Value) or (FFieldsIndex <> FieldsIndex) then
542	<	begin
543	<	FIndexName := Value;
544	<	FFieldsIndex := FieldsIndex;
545	<	if Active then
546	<	begin
547	<	SwitchToIndex;
548	<	end;
549	<	end;
550	<	end;
551	<
552	<	procedure TIBTable.SetIndexFieldNames(const Value: string);
553	<	begin
554	<	SetIndex(Value, Value <> '');
555	<	end;
556	<
557	<	procedure TIBTable.SetIndexName(const Value: string);
558	<	begin
559	<	SetIndex(Value, False);
560	<	end;
561	<
562	<	procedure TIBTable.UpdateIndexDefs;
563	<	var
564	<	Opts: TIndexOptions;
565	<	Flds: string;
566	<	Query, SubQuery: TIBSQL;
567	<	fn: string;
568	<	aField: TFieldDef;
569	<	begin
570	<	if not (csReading in ComponentState) then begin
571	<	if not Active and not FSwitchingIndex  then
572	<	FieldDefs.Update;
573	<	IndexDefs.Clear;
574	<	Database.InternalTransaction.StartTransaction;
575	<	Query := TIBSQL.Create(self);
576	<	try
577	<	FPrimaryIndexFields := '';
578	<	Query.GoToFirstRecordOnExecute := False;
579	<	Query.Database := DataBase;
580	<	Query.Transaction := Database.InternalTransaction;
581	<	Query.SQL.Text :=
582	<	'Select I.RDB$INDEX_NAME, I.RDB$UNIQUE_FLAG, I.RDB$INDEX_TYPE, ' + {do not localize}
583	<	'I.RDB$SEGMENT_COUNT, S.RDB$FIELD_NAME from RDB$INDICES I, ' + {do not localize}
584	<	'RDB$INDEX_SEGMENTS S where I.RDB$INDEX_NAME = S.RDB$INDEX_NAME '+ {do not localize}
585	<	'and I.RDB$RELATION_NAME = ' + '''' + {do not localize}
586	<	FormatIdentifierValue(Database.SQLDialect,
587	<	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
588	<	Query.Prepare;
589	<	Query.ExecQuery;
590	<	while (not Query.EOF) and (Query.Next <> nil) do
591	<	begin
592	<	with IndexDefs.AddIndexDef do
593	<	begin
594	<	Name := TrimRight(Query.Current.ByName('RDB$INDEX_NAME').AsString); {do not localize}
595	<	Opts := [];
596	<	if Pos ('RDB$PRIMARY', Name) = 1 then Include(Opts, ixPrimary); {do not localize} {mbcs ok}
597	<	if Query.Current.ByName('RDB$UNIQUE_FLAG').AsInteger = 1 then Include(Opts, ixUnique); {do not localize}
598	<	if Query.Current.ByName('RDB$INDEX_TYPE').AsInteger = 2  then Include(Opts, ixDescending); {do not localize}
599	<	Options := Opts;
600	<	if (Query.Current.ByName('RDB$SEGMENT_COUNT').AsInteger = 1) then {do not localize}
601	<	begin
602	<	fn := Trim(Query.Current.ByName('RDB$FIELD_NAME').AsString); {do not localize}
603	<	aField := GetFieldDefFromAlias(fn);
604	<	if assigned(aField) then
605	<	Fields := aField.Name
606	<	else
607	<	Fields := fn;
608	<	end
609	<	else begin
610	<	SubQuery := TIBSQL.Create(self);
611	<	try
612	<	SubQuery.GoToFirstRecordOnExecute := False;
613	<	SubQuery.Database := DataBase;
614	<	SubQuery.Transaction := Database.InternalTransaction;
615	<	SubQuery.SQL.Text :=
616	<	'Select RDB$FIELD_NAME from RDB$INDEX_SEGMENTS where RDB$INDEX_NAME = ' + {do not localize}
617	<	'''' +
618	<	FormatIdentifierValue(Database.SQLDialect,
619	<	QuoteIdentifier(DataBase.SQLDialect, Name)) +
620	<	'''' + 'ORDER BY RDB$FIELD_POSITION'; {do not localize}
621	<	SubQuery.Prepare;
622	<	SubQuery.ExecQuery;
623	<	Flds := '';
624	<	while (not SubQuery.EOF) and (SubQuery.Next <> nil) do
625	<	begin
626	<	fn := TrimRight(SubQuery.Current.ByName('RDB$FIELD_NAME').AsString); {do not localize}
627	<	aField := GetFieldDefFromAlias(fn);
628	<	if assigned(aField) then
629	<	fn := aField.Name;
630	<	if (Flds = '') then
631	<	Flds := fn
632	<	else begin
633	<	Query.Next;
634	<	Flds := Flds + ';' + fn;
635	<	end;
636	<	end;
637	<	Fields := Flds;
638	<	finally
639	<	SubQuery.Free;
640	<	end;
641	<	end;
642	<	if (ixDescending in Opts) then
643	<	DescFields := Fields;
644	<	if ixPrimary in Opts then
645	<	FPrimaryIndexFields := Fields;
646	<	end;
647	<	end;
648	<	finally
649	<	Query.Free;
650	<	Database.InternalTransaction.Commit;
651	<	end;
652	<	end;
653	<	end;
654	<
655	<	function TIBTable.GetExists: Boolean;
656	<	var
657	<	Query: TIBSQL;
658	<	begin
659	<	Result := Active;
660	<	if Result or (TableName = '') then Exit;
661	<	Database.InternalTransaction.StartTransaction;
662	<	Query := TIBSQL.Create(self);
663	<	try
664	<	Query.Database := DataBase;
665	<	Query.Transaction := Database.InternalTransaction;
666	<	Query.SQL.Text :=
667	<	'Select USER from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
668	<	'''' +
669	<	FormatIdentifierValue(Database.SQLDialect,
670	<	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
671	<	Query.Prepare;
672	<	Query.ExecQuery;
673	<	Result := not Query.EOF;
674	<	finally
675	<	Query.Free;
676	<	Database.InternalTransaction.Commit;
677	<	end;
678	<	end;
679	<
680	<	procedure TIBTable.GotoCurrent(Table: TIBTable);
681	<	begin
682	<	CheckBrowseMode;
683	<	Table.CheckBrowseMode;
684	<	if (Database <> Table.Database) or
685	<	(CompareText(TableName, Table.TableName) <> 0) then
686	<	IBError(ibxeTableNameMismatch, [nil]);
687	<	Table.UpdateCursorPos;
688	<	InternalGotoDBKey(Table.CurrentDBKey);
689	<	DoBeforeScroll;
690	<	Resync([rmExact, rmCenter]);
691	<	DoAfterScroll;
692	<	end;
693	<
694	<
695	<	procedure TIBTable.CreateTable;
696	<	var
697	<	FieldList: string;
698	<
699	<	procedure InitFieldsList;
700	<	var
701	<	I: Integer;
702	<	begin
703	<	InitFieldDefsFromFields;
704	<	for I := 0 to FieldDefs.Count - 1 do begin
705	<	if ( I > 0) then
706	<	FieldList := FieldList + ', ';
707	<	with FieldDefs[I] do
708	<	begin
709	<	case DataType of
710	<	ftString:
711	<	FieldList := FieldList +
712	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
713	<	' VARCHAR(' + IntToStr(Size) + ')'; {do not localize}
714	<	ftFixedChar:
715	<	FieldList := FieldList +
716	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
717	<	' CHAR(' + IntToStr(Size) + ')'; {do not localize}
718	<	ftBoolean:
719	<	FieldList := FieldList +
720	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
721	<	' BOOLEAN'; {do not localize}
722	<	ftSmallint, ftWord:
723	<	FieldList := FieldList +
724	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
725	<	' SMALLINT'; {do not localize}
726	<	ftInteger:
727	<	FieldList := FieldList +
728	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
729	<	' INTEGER'; {do not localize}
730	<	ftFloat, ftCurrency:
731	<	FieldList := FieldList +
732	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
733	<	' DOUBLE PRECISION'; {do not localize}
734	<	ftBCD: begin
735	<	if (Database.SQLDialect = 1) then begin
736	<	if (Precision > 9) then
737	<	IBError(ibxeFieldUnsupportedType,[nil]);
738	<	if (Precision <= 4) then
739	<	Precision := 9;
740	<	end;
741	<	if (Precision <= 4 ) then
742	<	FieldList := FieldList +
743	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
744	<	' Numeric(18, 4)' {do not localize}
745	<	else
746	<	FieldList := FieldList +
747	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
748	<	' Numeric(' + IntToStr(Precision) + ', 4)'; {do not localize}
749	<	end;
750	<	ftDate:
751	<	FieldList := FieldList +
752	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
753	<	' DATE'; {do not localize}
754	<	ftTime:
755	<	FieldList := FieldList +
756	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
757	<	' TIME'; {do not localize}
758	<	ftDateTime:
759	<	if (Database.SQLDialect = 1) then
760	<	FieldList := FieldList +
761	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
762	<	' DATE' {do not localize}
763	<	else
764	<	FieldList := FieldList +
765	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
766	<	' TIMESTAMP'; {do not localize}
767	<	ftLargeInt:
768	<	if (Database.SQLDialect = 1) then
769	<	IBError(ibxeFieldUnsupportedType,[nil])
770	<	else
771	<	FieldList := FieldList +
772	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
773	<	' Numeric(18, 0)'; {do not localize}
774	<	ftBlob, ftMemo:
775	<	FieldList := FieldList +
776	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
777	<	' BLOB SUB_TYPE 1'; {do not localize}
778	<	ftBytes, ftVarBytes, ftGraphic..ftTypedBinary:
779	<	FieldList := FieldList +
780	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
781	<	' BLOB SUB_TYPE 0'; {do not localize}
782	<	ftUnknown, ftADT, ftArray, ftReference, ftDataSet,
783	<	ftCursor, ftWideString, ftAutoInc:
784	<	IBError(ibxeFieldUnsupportedType,[nil]);
785	<	else
786	<	IBError(ibxeFieldUnsupportedType,[nil]);
787	<	end;
788	<	if faRequired in Attributes then
789	<	FieldList := FieldList + ' NOT NULL'; {do not localize}
790	<	end;
791	<	end;
792	<	end;
793	<
794	<	procedure InternalCreateTable;
795	<	var
796	<	I: Integer;
797	<	Query: TIBSQL;
798	<	begin
799	<	if (FieldList = '') then
800	<	IBError(ibxeFieldUnsupportedType,[nil]);
801	<	Query := TIBSQL.Create(self);
802	<	try
803	<	Query.Database := Database;
804	<	Query.transaction := Transaction;
805	<	Query.SQL.Text := 'Create Table ' +
806	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
807	<	' (' + FieldList; {do not localize}
808	<	for I := 0 to IndexDefs.Count - 1 do
809	<	with IndexDefs[I] do
810	<	if ixPrimary in Options then
811	<	begin
812	<	Query.SQL.Text := Query.SQL.Text + ', CONSTRAINT ' +
813	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
814	<	' Primary Key (' +
815	<	FormatFieldsList(Fields) +
816	<	')';
817	<	end;
818	<	Query.SQL.Text := Query.SQL.Text + ')';
819	<	Query.Prepare;
820	<	Query.ExecQuery;
821	<	finally
822	<	Query.Free;
823	<	end;
824	<	end;
825	<
826	<	procedure InternalCreateIndex;
827	<	var
828	<	I: Integer;
829	<	begin
830	<	for I := 0 to IndexDefs.Count - 1 do
831	<	with IndexDefs[I] do
832	<	if not (ixPrimary in Options) then
833	<	AddIndex(Name, Fields, Options);
834	<	end;
835	<
836	<	begin
837	<	CheckInactive;
838	<	InitFieldsList;
839	<	InternalCreateTable;
840	<	InternalCreateIndex;
841	<	end;
842	<
843	<	procedure TIBTable.DeleteTable;
844	<	var
845	<	Query: TIBSQL;
846	<	begin
847	<	CheckInactive;
848	<	Query := TIBSQL.Create(self);
849	<	try
850	<	Query.Database := DataBase;
851	<	Query.Transaction := Transaction;
852	<	Query.SQL.Text := 'drop table ' +  {do not localize}
853	<	QuoteIdentifier(DataBase.SQLDialect, FTableName);
854	<	Query.Prepare;
855	<	Query.ExecQuery;
856	<	finally
857	<	Query.Free;
858	<	end;
859	<	end;
860	<
861	<	procedure TIBTable.EmptyTable;
862	<	var
863	<	Query: TIBSQL;
864	<	begin
865	<	if Active then
866	<	CheckBrowseMode;
867	<	Query := TIBSQL.Create(self);
868	<	try
869	<	Query.Database := DataBase;
870	<	Query.Transaction := Transaction;
871	<	Query.SQL.Text := 'delete from ' + {do not localize}
872	<	QuoteIdentifier(DataBase.SQLDialect, FTableName);
873	<	Query.Prepare;
874	<	Query.ExecQuery;
875	<	if Active then
876	<	begin
877	<	ClearBuffers;
878	<	DataEvent(deDataSetChange, 0);
879	<	end;
880	<	finally
881	<	Query.Free;
882	<	end;
883	<	end;
884	<
885	<	procedure TIBTable.DataEvent(Event: TDataEvent; Info: Ptrint);
886	<	begin
887	<	if Event = dePropertyChange then begin
888	<	IndexDefs.Updated := False;
889	<	FRegenerateSQL := True;
890	<	end;
891	<	inherited DataEvent(Event, Info);
892	<	end;
893	<
894	<	{ Informational & Property }
895	<
896	<	function TIBTable.GetCanModify: Boolean;
897	<	begin
898	<	Result := True;
899	<	if (FTableName = '') or FReadOnly
900	<	or FSystemTable or FMultiTableView then
901	<	Result := False;
902	<	end;
903	<
904	<	function TIBTable.InternalGetUpdatable: Boolean;
905	<	var
906	<	Query : TIBSQL;
907	<	begin
908	<	Database.InternalTransaction.StartTransaction;
909	<	Query := TIBSQL.Create(self);
910	<	try
911	<	Query.Database := DataBase;
912	<	Query.Transaction := Database.InternalTransaction;
913	<	Query.SQL.Text := 'Select RDB$SYSTEM_FLAG, RDB$DBKEY_LENGTH ' + {do not localize}
914	<	'from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
915	<	'''' +
916	<	FormatIdentifierValue(Database.SQLDialect,
917	<	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
918	<	Query.Prepare;
919	<	Query.ExecQuery;
920	<	if (Query.Current[0].AsInteger <> 0) or
921	<	(Query.Current[1].AsInteger <> 8) then
922	<	Result := False
923	<	else
924	<	Result := True;
925	<	finally
926	<	Query.Free;
927	<	Database.InternalTransaction.Commit;
928	<	end;
929	<	end;
930	<
931	<	function TIBTable.FieldDefsStored: Boolean;
932	<	begin
933	<	Result := StoreDefs and (FieldDefs.Count > 0);
934	<	end;
935	<
936	<	function TIBTable.IndexDefsStored: Boolean;
937	<	begin
938	<	Result := StoreDefs and (IndexDefs.Count > 0);
939	<	end;
940	<
941	<	procedure TIBTable.SetParams;
942	<	var
943	<	i: Integer;
944	<	begin
945	<	if (MasterSource = nil) or (MasterSource.DataSet = nil) or
946	<	(not MasterSource.DataSet.Active) or (FMasterFieldsList.Count = 0) then
947	<	exit;
948	<	for i := 0 to FMasterFieldsList.Count - 1 do
949	<	QSelect.Params.ByName(FMasterFieldsList.Strings[i]).Value :=
950	<	MasterSource.DataSet.FieldByName(FMasterFieldsList.Strings[i]).Value;
951	<	end;
952	<
953	<	procedure TIBTable.MasterChanged(Sender: TObject);
954	<	begin
955	<	CheckBrowseMode;
956	<	SetParams;
957	<	ReQuery;
958	<	end;
959	<
960	<	procedure TIBTable.MasterDisabled(Sender: TObject);
961	<	begin
962	<	DataEvent(dePropertyChange, 0);
963	<	ReQuery;
964	<	end;
965	<
966	<	function TIBTable.GetDataSource: TDataSource;
967	<	begin
968	<	Result := FMasterLink.DataSource;
969	<	end;
970	<
971	<	procedure TIBTable.SetDataSource(Value: TDataSource);
972	<	begin
973	<	if IsLinkedTo(Value) then IBError(ibxeCircularDataLink, [Self]);
974	<	if FMasterLink.DataSource <> Value then
975	<	DataEvent(dePropertyChange, 0);
976	<	FMasterLink.DataSource := Value;
977	<	end;
978	<
979	<	function TIBTable.GetMasterFields: string;
980	<	begin
981	<	Result := FMasterLink.FieldNames;
982	<	end;
983	<
984	<	procedure TIBTable.SetMasterFields(const Value: string);
985	<	begin
986	<	if FMasterLink.FieldNames <> Value then
987	<	DataEvent(dePropertyChange, 0);
988	<	FMasterLink.FieldNames := Value;
989	<	end;
990	<
991	<	procedure TIBTable.DoOnNewRecord;
992	<	var
993	<	I: Integer;
994	<	begin
995	<	if FMasterLink.Active and (FMasterLink.Fields.Count > 0) then
996	<	for I := 0 to FMasterLink.Fields.Count - 1 do
997	<	IndexFields[I] := TField(FMasterLink.Fields[I]);
998	<	inherited DoOnNewRecord;
999	<	end;
1000	<
1001	<	function TIBTable.FormatFieldsList(Value: String): String;
1002	<	var
1003	<	FieldName: string;
1004	<	i: Integer;
1005	<	begin
1006	<	if Database.SQLDialect = 1 then begin
1007	<	Value := QuoteIdentifier(Database.SQLDialect, Value);
1008	<	Result := StringReplace (Value, ';', ', ', [rfReplaceAll]);
1009	<	end
1010	<	else begin
1011	<	i := 1;
1012	<	Result := '';
1013	<	while i <= Length(Value) do
1014	<	begin
1015	<	FieldName := ExtractFieldName(Value, i);
1016	<	if Result = '' then
1017	<	Result := QuoteIdentifier(Database.SQLDialect, FieldName)
1018	<	else
1019	<	Result := Result + ', ' + QuoteIdentifier(Database.SQLDialect, FieldName);
1020	<	end;
1021	<	end;
1022	<	end;
1023	<
1024	<	procedure TIBTable.ExtractLinkFields;
1025	<	var
1026	<	i: Integer;
1027	<	DetailFieldNames: String;
1028	<	begin
1029	<	FMasterFieldsList.Clear;
1030	<	FDetailFieldsList.Clear;
1031	<	i := 1;
1032	<	while i <= Length(MasterFields) do
1033	<	FMasterFieldsList.Add(ExtractFieldName(MasterFields, i));
1034	<	i := 1;
1035	<	if IndexFieldNames = '' then
1036	<	DetailFieldNames := FPrimaryIndexFields
1037	<	else
1038	<	DetailFieldNames := IndexFieldNames;
1039	<	while i <= Length(DetailFieldNames) do
1040	<	FDetailFieldsList.Add(ExtractFieldName(DetailFieldNames, i));
1041	<	end;
1042	<
1043	<	procedure TIBTable.GetDetailLinkFields(MasterFields, DetailFields: TList);
1044	<	var
1045	<	i: Integer;
1046	<	Idx: TIndexDef;
1047	<	begin
1048	<	MasterFields.Clear;
1049	<	DetailFields.Clear;
1050	<	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and
1051	<	(Self.MasterFields <> '') then
1052	<	begin
1053	<	Idx := nil;
1054	<	MasterSource.DataSet.GetFieldList(MasterFields, Self.MasterFields);
1055	<	UpdateIndexDefs;
1056	<	if IndexName <> '' then
1057	<	Idx := IndexDefs.Find(IndexName)
1058	<	else if IndexFieldNames <> '' then
1059	<	Idx := IndexDefs.GetIndexForFields(IndexFieldNames, False)
1060	<	else
1061	<	for i := 0 to IndexDefs.Count - 1 do
1062	<	if ixPrimary in IndexDefs[i].Options then
1063	<	begin
1064	<	Idx := IndexDefs[i];
1065	<	break;
1066	<	end;
1067	<	if Idx <> nil then
1068	<	GetFieldList(DetailFields, Idx.Fields);
1069	<	end;
1070	<	end;
1071	<
1072	<	procedure TIBTable.SetReadOnly(Value: Boolean);
1073	<	begin
1074	<	CheckInactive;
1075	<	FReadOnly := Value;
1076	<	end;
1077	<
1078	<	procedure TIBTable.SetTableName(Value: String);
1079	<	begin
1080	<	if not (csReading in ComponentState) then
1081	<	begin
1082	<	CheckInactive;
1083	<	if Value <> FTableName then
1084	<	begin
1085	<	ResetSQLStatements;
1086	<	FRegenerateSQL := True;
1087	<	FTableName := Value;
1088	<	IndexName := '';
1089	<	IndexFieldNames := '';
1090	<	FPrimaryIndexFields := '';
1091	<	DataEvent(dePropertyChange, 0);
1092	<	end;
1093	<	end
1094	<	else if Value <> FTableName then
1095	<	FTableName := Value;
1096	<	end;
1097	<
1098	<	function TIBTable.GetIndexField(Index: Integer): TField;
1099	<	var
1100	<	I, Count: Integer;
1101	<	FieldNames, FieldName: String;
1102	<	begin
1103	<	Result := nil;
1104	<	FieldName := '';
1105	<	FieldNames := IndexFieldNames;
1106	<	if FieldNames = '' then
1107	<	begin
1108	<	for I := 0 to IndexDefs.Count - 1 do
1109	<	if (IndexDefs[i].Name = FIndexName) then
1110	<	begin
1111	<	FieldNames := IndexDefs[i].Fields;
1112	<	break;
1113	<	end;
1114	<	end;
1115	<	for I := 0 to Index do
1116	<	begin
1117	<	Count := Pos(';', FieldNames); {mbcs OK}
1118	<	if Count = 0 then
1119	<	FieldName := FieldNames
1120	<	else begin
1121	<	FieldName := Copy(FieldNames, 0, Count - 1);
1122	<	System.Delete(FieldNames, 1, Count);
1123	<	end;
1124	<	end;
1125	<	if FieldName <> '' then
1126	<	Result := FieldByName(FieldName)
1127	<	else
1128	<	IBError(ibxeIndexFieldMissing, [nil]);
1129	<	end;
1130	<
1131	<
1132	<	procedure TIBTable.SetIndexField(Index: Integer; Value: TField);
1133	<	begin
1134	<	GetIndexField(Index).Assign(Value);
1135	<	end;
1136	<
1137	<	function TIBTable.GetIndexFieldCount: Integer;
1138	<	var
1139	<	I, Index: Integer;
1140	<	FieldNames: String;
1141	<	done: Boolean;
1142	<	begin
1143	<	FieldNames := IndexFieldNames;
1144	<	if FieldNames = '' then
1145	<	begin
1146	<	for I := 0 to IndexDefs.Count - 1 do
1147	<	if (IndexDefs[i].Name = FIndexName) then
1148	<	begin
1149	<	FieldNames := IndexDefs[i].Fields;
1150	<	break;
1151	<	end;
1152	<	end;
1153	<	if FieldNames = '' then
1154	<	Result := 0
1155	<	else
1156	<	begin
1157	<	done := False;
1158	<	Result := 1;
1159	<	while not done do
1160	<	begin
1161	<	Index := Pos(';', FieldNames); {mbcs ok}
1162	<	if Index <> 0 then
1163	<	begin
1164	<	System.Delete(FieldNames, 1, Index);
1165	<	Inc(Result);
1166	<	end else
1167	<	done := True;
1168	<	end;
1169	<	end;
1170	<	end;
1171	<
1172	<	function TIBTable.GetTableNames: TStrings;
1173	<	begin
1174	<	FNameList.clear;
1175	<	GetTableNamesFromServer;
1176	<	Result := FNameList;
1177	<	end;
1178	<
1179	<	procedure TIBTable.GetTableNamesFromServer;
1180	<	var
1181	<	Query : TIBSQL;
1182	<	begin
1183	<	if not (csReading in ComponentState) then begin
1184	<	ActivateConnection;
1185	<	Database.InternalTransaction.StartTransaction;
1186	<	Query := TIBSQL.Create(self);
1187	<	try
1188	<	Query.GoToFirstRecordOnExecute := False;
1189	<	Query.Database := DataBase;
1190	<	Query.Transaction := Database.InternalTransaction;
1191	<	if (TableTypes * [ttSystem, ttView] = [ttSystem, ttView]) then
1192	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' {do not localize}
1193	<	else if ttSystem in TableTypes then
1194	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1195	<	' where RDB$VIEW_BLR is NULL' {do not localize}
1196	<	else if ttView in TableTypes then
1197	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1198	<	' where RDB$SYSTEM_FLAG = 0' {do not localize}
1199	<	else
1200	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1201	<	' where RDB$VIEW_BLR is NULL and RDB$SYSTEM_FLAG = 0'; {do not localize}
1202	<	Query.Prepare;
1203	<	Query.ExecQuery;
1204	<	while (not Query.EOF) and (Query.Next <> nil) do
1205	<	FNameList.Add (TrimRight(Query.Current[0].AsString));
1206	<	finally
1207	<	Query.Free;
1208	<	Database.InternalTransaction.Commit;
1209	<	end;
1210	<	end;
1211	<	end;
1212	<
1213	<	procedure TIBTable.SwitchToIndex();
1214	<	begin
1215	<	FSwitchingIndex := True;
1216	<	InternalTableRefresh;
1217	<	FSwitchingIndex := False;
1218	<	end;
1219	<
1220	<	procedure TIBTable.InternalTableRefresh();
1221	<	var
1222	<	DBKey: TIBDBKey;
1223	<	begin
1224	<	CheckActive;
1225	<	DBKey := CurrentDBKey;
1226	<	FRegenerateSQL := True;
1227	<	Reopen;
1228	<	if DBKey.DBKey[0] <> 0 then
1229	<	InternalGotoDBKey(DBKey);
1230	<	end;
1231	<
1232	<	procedure TIBTable.GenerateSQL;
1233	<	var
1234	<	i: Integer;
1235	<	SQL: TStrings;
1236	<	OrderByStr: string;
1237	<	bWhereClausePresent: Boolean;
1238	<	fn: string;
1239	<	aField: TFieldDef;
1240	<	begin
1241	<	bWhereClausePresent := False;
1242	<	Database.CheckActive;
1243	<	Transaction.CheckInTransaction;
1244	<	if IndexDefs.Updated = False then
1245	<	IndexDefs.Update;
1246	<	if IndexFieldNames <> '' then
1247	<	OrderByStr := FormatFieldsList(IndexFieldNames)
1248	<	else if IndexName <> '' then
1249	<	OrderByStr := FormatFieldsList(IndexDefs[IndexDefs.Indexof (IndexName)].Fields)
1250	<	else if FDefaultIndex and (FPrimaryIndexFields <> '') then
1251	<	OrderByStr := FormatFieldsList(FPrimaryIndexFields);
1252	<	SQL := TStringList.Create;
1253	<	SQL.Text := 'select ' + {do not localize}
1254	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1255	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1256	<	+ QuoteIdentifier(DataBase.SQLDialect, FTableName);
1257	<	if Filtered and (Filter <> '') then
1258	<	begin
1259	<	SQL.Text := SQL.Text + ' where ' + Filter; {do not localize}
1260	<	bWhereClausePresent := True;
1261	<	end;
1262	<	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and (MasterFields <> '') then
1263	<	begin
1264	<	if bWhereClausePresent then
1265	<	SQL.Text := SQL.Text + ' AND ' {do not localize}
1266	<	else
1267	<	SQL.Text := SQL.Text + ' WHERE '; {do not localize}
1268	<	ExtractLinkfields;
1269	<	if FDetailFieldsList.Count < FMasterFieldsList.Count then
1270	<	IBError(ibxeUnknownError, [nil]);
1271	<	for i := 0 to FMasterFieldsList.Count - 1 do
1272	<	begin
1273	<	if i > 0 then
1274	<	SQL.Text := SQL.Text + 'AND ';
1275	<	aField := FieldDefs.Find(FDetailFieldsList.Strings[i]);
1276	<	if assigned(aField) then
1277	<	fn := GetDBAliasName(aField.FieldNo)
1278	<	else
1279	<	fn := FDetailFieldsList.Strings[i]; {something wrong if we get here - but should word}
1280	<	SQL.Text := SQL.Text +
1281	<	QuoteIdentifier(DataBase.SQLDialect, fn) + ' = :' + FMasterFieldsList.Strings[i];
1282	<	end;
1283	<	end;
1284	<	if OrderByStr <> '' then
1285	<	SQL.Text := SQL.Text + ' order by ' + OrderByStr; {do not localize}
1286	<	SelectSQL.Assign(SQL);
1287	<	RefreshSQL.Text := 'select ' + {do not localize}
1288	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1289	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1290	<	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1291	<	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1292	<	WhereDBKeyRefreshSQL.Assign(RefreshSQL);
1293	<	InternalPrepare;
1294	<	SQL.Free;
1295	<	end;
1296	<
1297	<	procedure TIBTable.GenerateUpdateSQL;
1298	<	var
1299	<	InsertFieldList, InsertParamList, UpdateFieldList: string;
1300	<	WherePrimaryFieldList, WhereAllFieldList: string;
1301	<
1302	<	procedure GenerateFieldLists;
1303	<	var
1304	<	I: Integer;
1305	<	begin
1306	<	for I := 0 to FieldDefs.Count - 1 do begin
1307	<	with FieldDefs[I] do begin
1308	<	if not (InternalCalcField or (faReadOnly in Attributes) or
1309	<	(DataType = ftUnknown)) then
1310	<	begin
1311	<	if ( InsertFieldList <> '' ) then begin
1312	<	InsertFieldList := InsertFieldList + ', ';
1313	<	InsertParamList := InsertParamList + ', ';
1314	<	UpdateFieldList := UpdateFieldList + ', ';
1315	<	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1316	<	WhereAllFieldList := WhereAllFieldList + ' AND ';
1317	<	end;
1318	<	InsertFieldList := InsertFieldList +
1319	<	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo));
1320	<	InsertParamList := InsertParamList + ':' +  Name;
1321	<	UpdateFieldList := UpdateFieldList +
1322	<	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) +
1323	<	' = :' + Name;
1324	<	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1325	<	WhereAllFieldList := WhereAllFieldList +
1326	<	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) + ' = :' +  Name;
1327	<	end;
1328	<	end;
1329	<	end;
1330	<	end;
1331	<
1332	<	procedure GenerateWherePrimaryFieldList;
1333	<	var
1334	<	i: Integer;
1335	<	tmp, fn: String;
1336	<	aField: TFieldDef;
1337	<	begin
1338	<	i := 1;
1339	<	while i <= Length(FPrimaryIndexFields) do
1340	<	begin
1341	<	tmp := ExtractFieldName(FPrimaryIndexFields, i);
1342	<	aField := FieldDefs.Find(tmp);
1343	<	if assigned(aField) then
1344	<	fn := GetDBAliasName(aField.FieldNo)
1345	<	else
1346	<	fn := tmp; {something wrong if we get here - but will work in most cases}
1347	<	tmp :=
1348	<	QuoteIdentifier(DataBase.SQLDialect, fn) +  ' = :' +
1349	<	QuoteIdentifier(DataBase.SQLDialect, tmp);{do not localize}
1350	<	if WherePrimaryFieldList <> '' then
1351	<	WherePrimaryFieldList :=
1352	<	WherePrimaryFieldList + ' AND ' + tmp
1353	<	else
1354	<	WherePrimaryFieldList := tmp;
1355	<	end;
1356	<	end;
1357	<
1358	<	begin
1359	<	if InternalGetUpdatable = False  then
1360	<	FReadOnly := True
1361	<	else
1362	<	begin
1363	<	DeleteSQL.Text := 'delete from ' + {do not localize}
1364	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1365	<	' where RDB$DB_KEY = ' + ':IBX_INTERNAL_DBKEY'; {do not localize}
1366	<	GenerateFieldLists;
1367	<	InsertSQL.Text := 'insert into ' + {do not localize}
1368	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1369	<	' (' + InsertFieldList + {do not localize}
1370	<	') values (' + InsertParamList + ')'; {do not localize}
1371	<	ModifySQL.Text := 'update ' +
1372	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1373	<	' set ' + UpdateFieldList + {do not localize}
1374	<	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1375	<	WhereAllRefreshSQL.Text := 'select ' +  {do not localize}
1376	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, '
1377	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1378	<	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1379	<	' where ' + WhereAllFieldList; {do not localize}
1380	<	if FPrimaryIndexFields <> '' then
1381	<	begin
1382	<	GenerateWherePrimaryFieldList;
1383	<	WherePrimaryRefreshSQL.Text := 'select ' + {do not localize}
1384	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1385	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1386	<	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1387	<	' where ' + WherePrimaryFieldList; {do not localize}
1388	<	end;
1389	<	try
1390	<	InternalPrepare;
1391	<	except
1392	<	FReadonly := True;
1393	<	end;
1394	<	end;
1395	<	end;
1396	<
1397	<	procedure TIBTable.ResetSQLStatements;
1398	<	begin
1399	<	SelectSQL.Text := '';
1400	<	DeleteSQL.Text := '';
1401	<	InsertSQL.Text := '';
1402	<	ModifySQL.Text := '';
1403	<	RefreshSQL.Text := '';
1404	<	end;
1405	<
1406	<	procedure TIBTable.SetTableTypes(
1407	<	const Value: TIBTableTypes);
1408	<	begin
1409	<	FTableTypes := Value;
1410	<	end;
1411	<
1412	<	function TIBTable.InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
1413	<
1414	<	function DBKeyCompare (DBKey1, DBKey2: TIBDBKey): Boolean;
1415	<	var
1416	<	I: Integer;
1417	<	begin
1418	<	for I := 0 to 7 do
1419	<	if (DBKey1.DBKey[i] <> DBKey2.DBKey[i]) then begin
1420	<	result := False;
1421	<	exit;
1422	<	end;
1423	<	result := True;
1424	<	end;
1425	<	begin
1426	<	CheckActive;
1427	<	DisableControls;
1428	<	try
1429	<	result := False;
1430	<	First;
1431	<	while ((not result) and (not EOF)) do begin
1432	<	if (DBKeyCompare (DBKey, PRecordData(GetActiveBuf)^.rdDBKey)) then
1433	<	result := True
1434	<	else
1435	<	Next;
1436	<	end;
1437	<	if not result then
1438	<	First
1439	<	else
1440	<	CursorPosChanged;
1441	<	finally
1442	<	EnableControls;
1443	<	end;
1444	<	end;
1445	<
1446	<	function TIBTable.GetCurrentDBKey: TIBDBKey;
1447	<	var
1448	<	Buf: pChar;
1449	<	begin
1450	<	CheckActive;
1451	<	buf := GetActiveBuf;
1452	<	if Buf <> nil then
1453	<	Result := PRecordData(Buf)^.rdDBKey
1454	<	else
1455	<	Result.DBKey[0] := 0;
1456	<	end;
1457	<
1458	<	procedure TIBTable.Reopen;
1459	<	begin
1460	<	DisableControls;
1461	<	try
1462	<	if Active then
1463	<	begin
1464	<	SetState(dsInactive);
1465	<	CloseCursor;
1466	<	OpenCursor(false);
1467	<	SetState(dsBrowse);
1468	<	end;
1469	<	finally
1470	<	EnableControls;
1471	<	end;
1472	<	end;
1473	<
1474	<	end.
1	>	{************************************************************************}
2	>	{                                                                        }
3	>	{       Borland Delphi Visual Component Library                          }
4	>	{       InterBase Express core components                                }
5	>	{                                                                        }
6	>	{       Copyright (c) 1998-2000 Inprise Corporation                      }
7	>	{                                                                        }
8	>	{    InterBase Express is based in part on the product                   }
9	>	{    Free IB Components, written by Gregory H. Deatz for                 }
10	>	{    Hoagland, Longo, Moran, Dunst & Doukas Company.                     }
11	>	{    Free IB Components is used under license.                           }
12	>	{                                                                        }
13	>	{    The contents of this file are subject to the InterBase              }
14	>	{    Public License Version 1.0 (the "License"); you may not             }
15	>	{    use this file except in compliance with the License. You            }
16	>	{    may obtain a copy of the License at http://www.Inprise.com/IPL.html }
17	>	{    Software distributed under the License is distributed on            }
18	>	{    an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either              }
19	>	{    express or implied. See the License for the specific language       }
20	>	{    governing rights and limitations under the License.                 }
21	>	{    The Original Code was created by InterBase Software Corporation     }
22	>	{       and its successors.                                              }
23	>	{    Portions created by Inprise Corporation are Copyright (C) Inprise   }
24	>	{       Corporation. All Rights Reserved.                                }
25	>	{    Contributor(s): Jeff Overcash                                       }
26	>	{                                                                        }
27	>	{    IBX For Lazarus (Firebird Express)                                  }
28	>	{    Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk }
29	>	{    Portions created by MWA Software are copyright McCallum Whyman      }
30	>	{    Associates Ltd 2011 - 2018                                               }
31	>	{                                                                        }
32	>	{************************************************************************}
33	>
34	>	unit IBTable;
35	>
36	>	{$Mode Delphi}
37	>
38	>	{$codepage UTF8}
39	>
40	>	interface
41	>
42	>	uses SysUtils, Classes, DB, IB,  IBCustomDataSet,
43	>	IBSQL, IBUtils;
44	>
45	>	type
46	>
47	>	{ TIBTable }
48	>
49	>	TIBTableType = (ttSystem, ttView);
50	>	TIBTableTypes = set of TIBTableType;
51	>	TIndexName = String;
52	>
53	>	TIBTable = class;
54	>
55	>	TIBTable = class(TIBCustomDataSet)
56	>	private
57	>	FSystemTable: Boolean;
58	>	FMultiTableView: Boolean;
59	>	FMasterLink: TMasterDataLink;
60	>	FMasterFieldsList: TStringList;
61	>	FDetailFieldsList: TStringList;
62	>	FIndexDefs: TIndexDefs;
63	>	FDefaultIndex: Boolean;
64	>	FReadOnly: Boolean;
65	>	FFieldsIndex: Boolean;
66	>	FTableName: String;
67	>	FIndexName: TIndexName;
68	>	FRegenerateSQL: Boolean;
69	>	FNameList: TStrings;
70	>	FSwitchingIndex: Boolean;
71	>	FPrimaryIndexFields: string;
72	>	FTableTypes: TIBTableTypes;
73	>	FStoreDefs: boolean;
74	>	WhereAllRefreshSQL: TStrings;
75	>	WhereDBKeyRefreshSQL: TStrings;
76	>	WherePrimaryRefreshSQL: TStrings;
77	>
78	>	function GetIndexFieldCount: Integer;
79	>	function GetIndexField(Index: Integer): TField;
80	>	procedure MasterChanged(Sender: TObject);
81	>	procedure MasterDisabled(Sender: TObject);
82	>	procedure SetDataSource(Value: TDataSource);
83	>	procedure SetIndexField(Index: Integer; Value: TField);
84	>	procedure SetIndexFieldNames(const Value: string);
85	>	procedure GenerateSQL;
86	>	procedure GenerateUpdateSQL;
87	>	procedure SwitchToIndex();
88	>	procedure InternalTableRefresh();
89	>	function GetTableNames: TStrings;
90	>	procedure GetTableNamesFromServer;
91	>	procedure SetTableTypes(
92	>	const Value: TIBTableTypes);
93	>	function InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
94	>	function FormatFieldsList(Value: string): string;
95	>	function GetCurrentDBKey: TIBDBKey;
96	>	function InternalGetUpdatable: Boolean;
97	>	function GetExists: Boolean;
98	>	procedure SetIndexDefs(Value: TIndexDefs);
99	>	procedure ExtractLinkFields;
100	>	function IndexDefsStored: Boolean;
101	>	function GetMasterFields: string;
102	>	procedure SetMasterFields(const Value: string);
103	>	function GetIndexFieldNames: string;
104	>	function GetIndexName: string;
105	>	procedure SetIndexName(const Value: string);
106	>	procedure SetParams;
107	>	procedure SetReadOnly(Value: Boolean);
108	>	procedure SetTableName(Value: String);
109	>	procedure SetIndex(const Value: string; FieldsIndex: Boolean);
110	>	procedure ResetSQLStatements;
111	>	procedure Reopen;
112	>
113	>	protected
114	>
115	>	procedure DoOnNewRecord; override;
116	>	procedure GetIndexParams(const IndexName: string; FieldsIndex: Boolean;
117	>	var IndexedName: string);
118	>	function GetCanModify: Boolean; override;
119	>	procedure UpdateIndexDefs; override;
120	>	procedure DataEvent(Event: TDataEvent; Info: Ptrint); override;
121	>	procedure DefChanged(Sender: TObject); virtual;
122	>	function GetDataSource: TDataSource; override;
123	>	procedure InitFieldDefs; override;
124	>	procedure InternalClose; override;
125	>	procedure InternalOpen; override;
126	>	procedure InternalRefresh; override;
127	>	procedure SetFiltered(Value: Boolean); override;
128	>	procedure SetFilterText(const Value: string); override;
129	>	procedure SetFilterOptions(Value: TFilterOptions); override;
130	>	procedure InternalRefreshRow; override;
131	>
132	>	public
133	>	constructor Create(AOwner: TComponent); override;
134	>	destructor Destroy; override;
135	>	procedure AddIndex(const Name, Fields: string; Options: TIndexOptions;
136	>	const DescFields: string = '');
137	>	procedure CreateTable;
138	>	procedure DeleteIndex(const Name: string);
139	>	procedure DeleteTable;
140	>	procedure EmptyTable;
141	>	procedure GetDetailLinkFields(MasterFields, DetailFields: TList); virtual;
142	>	procedure GetIndexNames(List: TStrings);
143	>	procedure GotoCurrent(Table: TIBTable);
144	>	property CurrentDBKey: TIBDBKey read GetCurrentDBKey;
145	>	property Exists: Boolean read GetExists;
146	>	property IndexFieldCount: Integer read GetIndexFieldCount;
147	>	property IndexFields[Index: Integer]: TField read GetIndexField write SetIndexField;
148	>	property TableNames: TStrings read GetTableNames;
149	>
150	>	published
151	>	property AutoCommit;
152	>	property Active;
153	>	property BufferChunks;
154	>	property CachedUpdates;
155	>	property DataSetCloseAction;
156	>	//    property Constraints stored ConstraintsStored;
157	>	property DefaultIndex: Boolean read FDefaultIndex write FDefaultIndex default True;
158	>	property Filter;
159	>	property Filtered;
160	>	property GeneratorField;
161	>	property IndexDefs: TIndexDefs read FIndexDefs write SetIndexDefs stored IndexDefsStored;
162	>	property IndexFieldNames: string read GetIndexFieldNames write SetIndexFieldNames;
163	>	property IndexName: string read GetIndexName write SetIndexName;
164	>	property MasterFields: string read GetMasterFields write SetMasterFields;
165	>	property MasterSource: TDataSource read GetDataSource write SetDataSource;
166	>	property ReadOnly: Boolean read FReadOnly write SetReadOnly default False;
167	>	property StoreDefs: Boolean read FStoreDefs write FStoreDefs default False;
168	>	property TableName: String read FTableName write SetTableName;
169	>	property TableTypes: TIBTableTypes read FTableTypes write SetTableTypes default [];
170	>	property UpdateObject;
171	>	property UniDirectional;
172	>
173	>	property BeforeDatabaseDisconnect;
174	>	property AfterDatabaseDisconnect;
175	>	property DatabaseFree;
176	>	property BeforeTransactionEnd;
177	>	property AfterTransactionEnd;
178	>	property TransactionFree;
179	>	property OnFilterRecord;
180	>	end;
181	>
182	>	implementation
183	>
184	>	uses FBMessages;
185	>
186	>	{ TIBTable }
187	>
188	>	constructor TIBTable.Create(AOwner: TComponent);
189	>	begin
190	>	inherited Create(AOwner);
191	>	FNameList := TStringList.Create;
192	>	FSwitchingIndex := False;
193	>	FIndexDefs := TIndexDefs.Create(Self);
194	>	WhereAllRefreshSQL := TStringList.Create;
195	>	WhereDBKeyRefreshSQL := TStringList.Create;
196	>	WherePrimaryRefreshSQL := TStringList.Create;
197	>	FDefaultIndex := True;
198	>	FRegenerateSQL := True;
199	>	FMasterFieldsList := TStringList.Create;
200	>	FDetailFieldsList := TStringList.Create;
201	>	FMasterLink := TMasterDataLink.Create(Self);
202	>	FMasterLink.OnMasterChange := MasterChanged;
203	>	FMasterLink.OnMasterDisable := MasterDisabled;
204	>	QRefresh.OnSQLChanging := nil;
205	>	QDelete.OnSQLChanging := nil;
206	>	QInsert.OnSQLChanging := nil;
207	>	QModify.OnSQLChanging := nil;
208	>	end;
209	>
210	>	destructor TIBTable.Destroy;
211	>	begin
212	>	FNameList.Free;
213	>	FIndexDefs.Free;
214	>	FMasterFieldsList.Free;
215	>	FDetailFieldsList.Free;
216	>	FMasterLink.Free;
217	>	WhereAllRefreshSQL.Free;
218	>	WhereDBKeyRefreshSQL.Free;
219	>	WherePrimaryRefreshSQL.Free;
220	>	inherited Destroy;
221	>	end;
222	>
223	>	procedure TIBTable.InternalClose;
224	>	begin
225	>	DataEvent(dePropertyChange, 0);
226	>	inherited InternalClose;
227	>	end;
228	>
229	>	procedure TIBTable.InternalOpen;
230	>	begin
231	>	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
232	>	ActivateConnection;
233	>	ActivateTransaction;
234	>	if FRegenerateSQL then
235	>	begin
236	>	InternalUnprepare;
237	>	GenerateSQL;
238	>	if not FReadOnly then
239	>	GenerateUpdateSQL;
240	>	FRegenerateSQL := False;
241	>	end;
242	>	{  writeln(SelectSQL.Text);
243	>	writeln(InsertSQL.Text);
244	>	writeln(DeleteSQL.Text);
245	>	writeln(ModifySQL.Text); }
246	>	SetParams;
247	>	inherited InternalOpen;
248	>	end;
249	>
250	>	procedure TIBTable.InternalRefresh;
251	>	var
252	>	DBKey: TIBDBKey;
253	>	begin
254	>	DBKey := CurrentDBKey;
255	>	Reopen;
256	>	if DBKey.DBKey[0] <> 0 then
257	>	InternalGotoDBKey(DBKey);
258	>	end;
259	>
260	>	procedure TIBTable.SetFiltered(Value: Boolean);
261	>	begin
262	>	if(Filtered <> Value) then
263	>	begin
264	>	inherited SetFiltered(value);
265	>	if Active then
266	>	InternalTableRefresh;
267	>	end
268	>	else
269	>	inherited SetFiltered(value);
270	>	end;
271	>
272	>	procedure TIBTable.SetFilterText(const Value: string);
273	>	begin
274	>	if Filtered and (Value <> Filter) then
275	>	begin
276	>	inherited SetFilterText(value);
277	>	InternalTableRefresh;
278	>	end
279	>	else
280	>	inherited SetFilterText(value);
281	>	end;
282	>
283	>	procedure TIBTable.SetFilterOptions(Value: TFilterOptions);
284	>	begin
285	>	if Value <> [] then
286	>	IBError(ibxeNotSupported, [nil]);
287	>	end;
288	>
289	>	procedure TIBTable.InternalRefreshRow;
290	>	begin
291	>	if CurrentDBKey.DBKey[0] <> 0 then
292	>	QRefresh.SQL.Assign(WhereDBKeyRefreshSQL)
293	>	else if WherePrimaryRefreshSQL.Text <> '' then
294	>	QRefresh.SQL.Assign(WherePrimaryRefreshSQL)
295	>	else
296	>	QRefresh.SQL.Assign(WhereAllRefreshSQL);
297	>	inherited InternalRefreshRow;
298	>	end;
299	>
300	>	procedure TIBTable.DefChanged(Sender: TObject);
301	>	begin
302	>	StoreDefs := True;
303	>	end;
304	>
305	>	procedure TIBTable.InitFieldDefs;
306	>	var
307	>	DidActivate: Boolean;
308	>	Query: TIBSQL;
309	>	begin
310	>	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
311	>	if (InternalPrepared) then
312	>	InternalInitFieldDefs
313	>	else
314	>	begin
315	>	{Get the field defs from a simple query on the table}
316	>	ActivateConnection;
317	>	Query := TIBSQL.Create(self);
318	>	try
319	>	Query.Database := DataBase;
320	>	Query.Transaction := Database.InternalTransaction;
321	>	DidActivate := false;
322	>	Query.SQL.Text := 'Select * from ' + QuoteIdentifier(DataBase.SQLDialect, FTableName);
323	>	with Query.Transaction do
324	>	begin
325	>	if not InTransaction then
326	>	begin
327	>	StartTransaction;
328	>	DidActivate := true
329	>	end;
330	>	end;
331	>	Query.Prepare;
332	>	FieldDefsFromQuery(Query);
333	>	if DidActivate then
334	>	Query.Transaction.Rollback;
335	>	finally
336	>	Query.Free;
337	>	end;
338	>	end;
339	>	end;
340	>
341	>	{ Index / Ranges / Keys }
342	>
343	>	procedure TIBTable.AddIndex(const Name, Fields: string; Options: TIndexOptions;
344	>	const DescFields: string);
345	>	var
346	>	Query: TIBSQL;
347	>	FieldList: string;
348	>	begin
349	>	FieldDefs.Update;
350	>	if Active then begin
351	>	CheckBrowseMode;
352	>	CursorPosChanged;
353	>	end;
354	>	Query := TIBSQL.Create(self);
355	>	try
356	>	Query.Database := DataBase;
357	>	Query.Transaction := Transaction;
358	>	FieldList := FormatFieldsList(Fields);
359	>	if (ixPrimary in Options) then
360	>	begin
361	>	Query.SQL.Text := 'Alter Table ' + {do not localize}
362	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
363	>	' Add CONSTRAINT ' +   {do not localize}
364	>	QuoteIdentifier(Database.SQLDialect, Name)
365	>	+ ' Primary Key (' + {do not localize}
366	>	FormatFieldsList(Fields) +
367	>	')';
368	>	end
369	>	else if ([ixUnique, ixDescending] * Options = [ixUnique, ixDescending]) then
370	>	Query.SQL.Text := 'Create unique Descending Index ' + {do not localize}
371	>	QuoteIdentifier(Database.SQLDialect, Name) +
372	>	' on ' + {do not localize}
373	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
374	>	' (' + FieldList + ')'
375	>	else if (ixUnique in Options) then
376	>	Query.SQL.Text := 'Create unique Index ' + {do not localize}
377	>	QuoteIdentifier(Database.SQLDialect, Name) +
378	>	' on ' + {do not localize}
379	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
380	>	' (' + FieldList + ')'
381	>	else if (ixDescending in Options) then
382	>	Query.SQL.Text := 'Create Descending Index ' + {do not localize}
383	>	QuoteIdentifier(Database.SQLDialect, Name) +
384	>	' on ' + {do not localize}
385	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
386	>	' (' + FieldList + ')'
387	>	else
388	>	Query.SQL.Text := 'Create Index ' + {do not localize}
389	>	QuoteIdentifier(Database.SQLDialect, Name) +
390	>	' on ' + {do not localize}
391	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
392	>	' (' + FieldList + ')';
393	>	Query.Prepare;
394	>	Query.ExecQuery;
395	>	IndexDefs.Updated := False;
396	>	finally
397	>	Query.free
398	>	end;
399	>	end;
400	>
401	>	procedure TIBTable.DeleteIndex(const Name: string);
402	>	var
403	>	Query: TIBSQL;
404	>
405	>	procedure DeleteByIndex;
406	>	begin
407	>	Query := TIBSQL.Create(self);
408	>	try
409	>	Query.Database := DataBase;
410	>	Query.Transaction := Transaction;
411	>	Query.SQL.Text := 'Drop index ' +  {do not localize}
412	>	QuoteIdentifier(Database.SQLDialect, Name);
413	>	Query.Prepare;
414	>	Query.ExecQuery;
415	>	IndexDefs.Updated := False;
416	>	finally
417	>	Query.Free;
418	>	end;
419	>	end;
420	>
421	>	function DeleteByConstraint: Boolean;
422	>	begin
423	>	Result := False;
424	>	Query := TIBSQL.Create(self);
425	>	try
426	>	Query.Database := DataBase;
427	>	Query.Transaction := Transaction;
428	>	Query.SQL.Text := 'Select ''foo'' from RDB$RELATION_CONSTRAINTS ' +
429	>	'where RDB$RELATION_NAME = ' +
430	>	'''' +
431	>	ExtractIdentifier(Database.SQLDialect,
432	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
433	>	''' ' +
434	>	' AND RDB$CONSTRAINT_NAME = ' +
435	>	'''' +
436	>	ExtractIdentifier(Database.SQLDialect,
437	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
438	>	''' ' +
439	>	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
440	>	Query.Prepare;
441	>	Query.ExecQuery;
442	>	if not Query.EOF then
443	>	begin
444	>	Query.Close;
445	>	Query.SQL.Text := 'Alter Table ' +  {do not localize}
446	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
447	>	' Drop Constraint ' +
448	>	QuoteIdentifier(DataBase.SQLDialect, Name);
449	>	Query.Prepare;
450	>	Query.ExecQuery;
451	>	IndexDefs.Updated := False;
452	>	Result := True;
453	>	end;
454	>	finally
455	>	Query.Free;
456	>	end;
457	>	end;
458	>
459	>	procedure DeleteByKey;
460	>	begin
461	>	Query := TIBSQL.Create(self);
462	>	try
463	>	Query.Database := DataBase;
464	>	Query.Transaction := Transaction;
465	>	Query.SQL.Text := 'Select RDB$CONSTRAINT_NAME from RDB$RELATION_CONSTRAINTS ' +
466	>	'where RDB$RELATION_NAME = ' +
467	>	'''' +
468	>	ExtractIdentifier(Database.SQLDialect,
469	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
470	>	''' ' +
471	>	'AND RDB$INDEX_NAME = ' +
472	>	'''' +
473	>	ExtractIdentifier(Database.SQLDialect,
474	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
475	>	''' ' +
476	>	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
477	>	Query.Prepare;
478	>	Query.ExecQuery;
479	>	if not Query.EOF then
480	>	begin
481	>	Query.Close;
482	>	Query.SQL.Text := 'Alter Table ' +  {do not localize}
483	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
484	>	' Drop Constraint ' +
485	>	QuoteIdentifier(DataBase.SQLDialect, Query.FieldByName('RDB$CONSTRAINT_NAME').AsString);
486	>	Query.Prepare;
487	>	Query.ExecQuery;
488	>	IndexDefs.Updated := False;
489	>	end;
490	>	finally
491	>	Query.Free;
492	>	end;
493	>	end;
494	>
495	>	begin
496	>	if Active then
497	>	CheckBrowseMode;
498	>	IndexDefs.Update;
499	>	if (Pos('RDB$PRIMARY', Name) <> 0 ) then {do not localize} {mbcs ok}
500	>	DeleteByKey
501	>	else if not DeleteByConstraint then
502	>	DeleteByIndex;
503	>	end;
504	>
505	>	function TIBTable.GetIndexFieldNames: string;
506	>	begin
507	>	if FFieldsIndex then Result := FIndexName else Result := '';
508	>	end;
509	>
510	>	function TIBTable.GetIndexName: string;
511	>	begin
512	>	if FFieldsIndex then Result := '' else Result := FIndexName;
513	>	end;
514	>
515	>	procedure TIBTable.GetIndexNames(List: TStrings);
516	>	begin
517	>	IndexDefs.Update;
518	>	IndexDefs.GetItemNames(List);
519	>	end;
520	>
521	>	procedure TIBTable.GetIndexParams(const IndexName: string;
522	>	FieldsIndex: Boolean; var IndexedName: string);
523	>	var
524	>	IndexStr: TIndexName;
525	>	begin
526	>	if IndexName <> '' then
527	>	begin
528	>	IndexDefs.Update;
529	>	IndexStr := IndexName;
530	>	if FieldsIndex then
531	>	IndexStr := IndexDefs.FindIndexForFields(IndexName).Name;
532	>	end;
533	>	IndexedName := IndexStr;
534	>	end;
535	>
536	>	procedure TIBTable.SetIndexDefs(Value: TIndexDefs);
537	>	begin
538	>	IndexDefs.Assign(Value);
539	>	end;
540	>
541	>	procedure TIBTable.SetIndex(const Value: string; FieldsIndex: Boolean);
542	>	begin
543	>	if Active then CheckBrowseMode;
544	>	if (FIndexName <> Value) or (FFieldsIndex <> FieldsIndex) then
545	>	begin
546	>	FIndexName := Value;
547	>	FFieldsIndex := FieldsIndex;
548	>	if Active then
549	>	begin
550	>	SwitchToIndex;
551	>	end;
552	>	end;
553	>	end;
554	>
555	>	procedure TIBTable.SetIndexFieldNames(const Value: string);
556	>	begin
557	>	SetIndex(Value, Value <> '');
558	>	end;
559	>
560	>	procedure TIBTable.SetIndexName(const Value: string);
561	>	begin
562	>	SetIndex(Value, False);
563	>	end;
564	>
565	>	procedure TIBTable.UpdateIndexDefs;
566	>	var
567	>	Opts: TIndexOptions;
568	>	Flds: string;
569	>	Query, SubQuery: TIBSQL;
570	>	fn: string;
571	>	aField: TFieldDef;
572	>	begin
573	>	if not (csReading in ComponentState) then begin
574	>	if not Active and not FSwitchingIndex  then
575	>	FieldDefs.Update;
576	>	IndexDefs.Clear;
577	>	Database.InternalTransaction.StartTransaction;
578	>	Query := TIBSQL.Create(self);
579	>	try
580	>	FPrimaryIndexFields := '';
581	>	Query.GoToFirstRecordOnExecute := False;
582	>	Query.Database := DataBase;
583	>	Query.Transaction := Database.InternalTransaction;
584	>	Query.SQL.Text :=
585	>	'Select I.RDB$INDEX_NAME, I.RDB$UNIQUE_FLAG, I.RDB$INDEX_TYPE, ' + {do not localize}
586	>	'I.RDB$SEGMENT_COUNT, S.RDB$FIELD_NAME from RDB$INDICES I, ' + {do not localize}
587	>	'RDB$INDEX_SEGMENTS S where I.RDB$INDEX_NAME = S.RDB$INDEX_NAME '+ {do not localize}
588	>	'and I.RDB$RELATION_NAME = ' + '''' + {do not localize}
589	>	ExtractIdentifier(Database.SQLDialect,
590	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
591	>	Query.Prepare;
592	>	Query.ExecQuery;
593	>	while (not Query.EOF) and Query.Next do
594	>	begin
595	>	with IndexDefs.AddIndexDef do
596	>	begin
597	>	Name := TrimRight(Query.FieldByName('RDB$INDEX_NAME').AsString); {do not localize}
598	>	Opts := [];
599	>	if Pos ('RDB$PRIMARY', Name) = 1 then Include(Opts, ixPrimary); {do not localize} {mbcs ok}
600	>	if Query.FieldByName('RDB$UNIQUE_FLAG').AsInteger = 1 then Include(Opts, ixUnique); {do not localize}
601	>	if Query.FieldByName('RDB$INDEX_TYPE').AsInteger = 2  then Include(Opts, ixDescending); {do not localize}
602	>	Options := Opts;
603	>	if (Query.FieldByName('RDB$SEGMENT_COUNT').AsInteger = 1) then {do not localize}
604	>	begin
605	>	fn := Trim(Query.FieldByName('RDB$FIELD_NAME').AsString); {do not localize}
606	>	aField := GetFieldDefFromAlias(fn);
607	>	if assigned(aField) then
608	>	Fields := aField.Name
609	>	else
610	>	Fields := fn;
611	>	end
612	>	else begin
613	>	SubQuery := TIBSQL.Create(self);
614	>	try
615	>	SubQuery.GoToFirstRecordOnExecute := False;
616	>	SubQuery.Database := DataBase;
617	>	SubQuery.Transaction := Database.InternalTransaction;
618	>	SubQuery.SQL.Text :=
619	>	'Select RDB$FIELD_NAME from RDB$INDEX_SEGMENTS where RDB$INDEX_NAME = ' + {do not localize}
620	>	'''' +
621	>	ExtractIdentifier(Database.SQLDialect,
622	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
623	>	'''' + 'ORDER BY RDB$FIELD_POSITION'; {do not localize}
624	>	SubQuery.Prepare;
625	>	SubQuery.ExecQuery;
626	>	Flds := '';
627	>	while (not SubQuery.EOF) and SubQuery.Next do
628	>	begin
629	>	fn := TrimRight(SubQuery.FieldByName('RDB$FIELD_NAME').AsString); {do not localize}
630	>	aField := GetFieldDefFromAlias(fn);
631	>	if assigned(aField) then
632	>	fn := aField.Name;
633	>	if (Flds = '') then
634	>	Flds := fn
635	>	else begin
636	>	Query.Next;
637	>	Flds := Flds + ';' + fn;
638	>	end;
639	>	end;
640	>	Fields := Flds;
641	>	finally
642	>	SubQuery.Free;
643	>	end;
644	>	end;
645	>	if (ixDescending in Opts) then
646	>	DescFields := Fields;
647	>	if ixPrimary in Opts then
648	>	FPrimaryIndexFields := Fields;
649	>	end;
650	>	end;
651	>	finally
652	>	Query.Free;
653	>	Database.InternalTransaction.Commit;
654	>	end;
655	>	end;
656	>	end;
657	>
658	>	function TIBTable.GetExists: Boolean;
659	>	var
660	>	Query: TIBSQL;
661	>	begin
662	>	Result := Active;
663	>	if Result or (TableName = '') then Exit;
664	>	Database.InternalTransaction.StartTransaction;
665	>	Query := TIBSQL.Create(self);
666	>	try
667	>	Query.Database := DataBase;
668	>	Query.Transaction := Database.InternalTransaction;
669	>	Query.SQL.Text :=
670	>	'Select USER from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
671	>	'''' +
672	>	ExtractIdentifier(Database.SQLDialect,
673	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
674	>	Query.Prepare;
675	>	Query.ExecQuery;
676	>	Result := not Query.EOF;
677	>	finally
678	>	Query.Free;
679	>	Database.InternalTransaction.Commit;
680	>	end;
681	>	end;
682	>
683	>	procedure TIBTable.GotoCurrent(Table: TIBTable);
684	>	begin
685	>	CheckBrowseMode;
686	>	Table.CheckBrowseMode;
687	>	if (Database <> Table.Database) or
688	>	(CompareText(TableName, Table.TableName) <> 0) then
689	>	IBError(ibxeTableNameMismatch, [nil]);
690	>	Table.UpdateCursorPos;
691	>	InternalGotoDBKey(Table.CurrentDBKey);
692	>	DoBeforeScroll;
693	>	Resync([rmExact, rmCenter]);
694	>	DoAfterScroll;
695	>	end;
696	>
697	>
698	>	procedure TIBTable.CreateTable;
699	>	var
700	>	FieldList: string;
701	>
702	>	procedure InitFieldsList;
703	>	var
704	>	I: Integer;
705	>	begin
706	>	InitFieldDefsFromFields;
707	>	for I := 0 to FieldDefs.Count - 1 do begin
708	>	if ( I > 0) then
709	>	FieldList := FieldList + ', ';
710	>	with FieldDefs[I] do
711	>	begin
712	>	case DataType of
713	>	ftString:
714	>	FieldList := FieldList +
715	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
716	>	' VARCHAR(' + IntToStr(Size) + ')'; {do not localize}
717	>	ftFixedChar:
718	>	FieldList := FieldList +
719	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
720	>	' CHAR(' + IntToStr(Size) + ')'; {do not localize}
721	>	ftBoolean:
722	>	FieldList := FieldList +
723	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
724	>	' BOOLEAN'; {do not localize}
725	>	ftSmallint, ftWord:
726	>	FieldList := FieldList +
727	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
728	>	' SMALLINT'; {do not localize}
729	>	ftInteger:
730	>	FieldList := FieldList +
731	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
732	>	' INTEGER'; {do not localize}
733	>	ftFloat, ftCurrency:
734	>	FieldList := FieldList +
735	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
736	>	' DOUBLE PRECISION'; {do not localize}
737	>	ftBCD: begin
738	>	if (Database.SQLDialect = 1) then begin
739	>	if (Precision > 9) then
740	>	IBError(ibxeFieldUnsupportedType,[nil]);
741	>	if (Precision <= 4) then
742	>	Precision := 9;
743	>	end;
744	>	if (Precision <= 4 ) then
745	>	FieldList := FieldList +
746	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
747	>	' Numeric(18, 4)' {do not localize}
748	>	else
749	>	FieldList := FieldList +
750	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
751	>	' Numeric(' + IntToStr(Precision) + ', 4)'; {do not localize}
752	>	end;
753	>	ftDate:
754	>	FieldList := FieldList +
755	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
756	>	' DATE'; {do not localize}
757	>	ftTime:
758	>	FieldList := FieldList +
759	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
760	>	' TIME'; {do not localize}
761	>	ftDateTime:
762	>	if (Database.SQLDialect = 1) then
763	>	FieldList := FieldList +
764	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
765	>	' DATE' {do not localize}
766	>	else
767	>	FieldList := FieldList +
768	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
769	>	' TIMESTAMP'; {do not localize}
770	>	ftLargeInt:
771	>	if (Database.SQLDialect = 1) then
772	>	IBError(ibxeFieldUnsupportedType,[nil])
773	>	else
774	>	FieldList := FieldList +
775	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
776	>	' Numeric(18, 0)'; {do not localize}
777	>	ftBlob, ftMemo:
778	>	FieldList := FieldList +
779	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
780	>	' BLOB SUB_TYPE 1'; {do not localize}
781	>	ftBytes, ftVarBytes, ftGraphic..ftTypedBinary:
782	>	FieldList := FieldList +
783	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
784	>	' BLOB SUB_TYPE 0'; {do not localize}
785	>	ftUnknown, ftADT, ftArray, ftReference, ftDataSet,
786	>	ftCursor, ftWideString, ftAutoInc:
787	>	IBError(ibxeFieldUnsupportedType,[nil]);
788	>	else
789	>	IBError(ibxeFieldUnsupportedType,[nil]);
790	>	end;
791	>	if faRequired in Attributes then
792	>	FieldList := FieldList + ' NOT NULL'; {do not localize}
793	>	end;
794	>	end;
795	>	end;
796	>
797	>	procedure InternalCreateTable;
798	>	var
799	>	I: Integer;
800	>	Query: TIBSQL;
801	>	begin
802	>	if (FieldList = '') then
803	>	IBError(ibxeFieldUnsupportedType,[nil]);
804	>	Query := TIBSQL.Create(self);
805	>	try
806	>	Query.Database := Database;
807	>	Query.transaction := Transaction;
808	>	Query.SQL.Text := 'Create Table ' +
809	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
810	>	' (' + FieldList; {do not localize}
811	>	for I := 0 to IndexDefs.Count - 1 do
812	>	with IndexDefs[I] do
813	>	if ixPrimary in Options then
814	>	begin
815	>	Query.SQL.Text := Query.SQL.Text + ', CONSTRAINT ' +
816	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
817	>	' Primary Key (' +
818	>	FormatFieldsList(Fields) +
819	>	')';
820	>	end;
821	>	Query.SQL.Text := Query.SQL.Text + ')';
822	>	Query.Prepare;
823	>	Query.ExecQuery;
824	>	finally
825	>	Query.Free;
826	>	end;
827	>	end;
828	>
829	>	procedure InternalCreateIndex;
830	>	var
831	>	I: Integer;
832	>	begin
833	>	for I := 0 to IndexDefs.Count - 1 do
834	>	with IndexDefs[I] do
835	>	if not (ixPrimary in Options) then
836	>	AddIndex(Name, Fields, Options);
837	>	end;
838	>
839	>	begin
840	>	CheckInactive;
841	>	InitFieldsList;
842	>	InternalCreateTable;
843	>	InternalCreateIndex;
844	>	end;
845	>
846	>	procedure TIBTable.DeleteTable;
847	>	var
848	>	Query: TIBSQL;
849	>	begin
850	>	CheckInactive;
851	>	Query := TIBSQL.Create(self);
852	>	try
853	>	Query.Database := DataBase;
854	>	Query.Transaction := Transaction;
855	>	Query.SQL.Text := 'drop table ' +  {do not localize}
856	>	QuoteIdentifier(DataBase.SQLDialect, FTableName);
857	>	Query.Prepare;
858	>	Query.ExecQuery;
859	>	finally
860	>	Query.Free;
861	>	end;
862	>	end;
863	>
864	>	procedure TIBTable.EmptyTable;
865	>	var
866	>	Query: TIBSQL;
867	>	begin
868	>	if Active then
869	>	CheckBrowseMode;
870	>	Query := TIBSQL.Create(self);
871	>	try
872	>	Query.Database := DataBase;
873	>	Query.Transaction := Transaction;
874	>	Query.SQL.Text := 'delete from ' + {do not localize}
875	>	QuoteIdentifier(DataBase.SQLDialect, FTableName);
876	>	Query.Prepare;
877	>	Query.ExecQuery;
878	>	if Active then
879	>	begin
880	>	ClearBuffers;
881	>	DataEvent(deDataSetChange, 0);
882	>	end;
883	>	finally
884	>	Query.Free;
885	>	end;
886	>	end;
887	>
888	>	procedure TIBTable.DataEvent(Event: TDataEvent; Info: Ptrint);
889	>	begin
890	>	if Event = dePropertyChange then begin
891	>	IndexDefs.Updated := False;
892	>	FRegenerateSQL := True;
893	>	end;
894	>	inherited DataEvent(Event, Info);
895	>	end;
896	>
897	>	{ Informational & Property }
898	>
899	>	function TIBTable.GetCanModify: Boolean;
900	>	begin
901	>	Result := True;
902	>	if (FTableName = '') or FReadOnly
903	>	or FSystemTable or FMultiTableView then
904	>	Result := False;
905	>	end;
906	>
907	>	function TIBTable.InternalGetUpdatable: Boolean;
908	>	var
909	>	Query : TIBSQL;
910	>	begin
911	>	Database.InternalTransaction.StartTransaction;
912	>	Query := TIBSQL.Create(self);
913	>	try
914	>	Query.Database := DataBase;
915	>	Query.Transaction := Database.InternalTransaction;
916	>	Query.SQL.Text := 'Select RDB$SYSTEM_FLAG, RDB$DBKEY_LENGTH ' + {do not localize}
917	>	'from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
918	>	'''' +
919	>	ExtractIdentifier(Database.SQLDialect,
920	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
921	>	Query.Prepare;
922	>	Query.ExecQuery;
923	>	if (Query.Fields[0].AsInteger <> 0) or
924	>	(Query.Fields[1].AsInteger <> 8) then
925	>	Result := False
926	>	else
927	>	Result := True;
928	>	finally
929	>	Query.Free;
930	>	Database.InternalTransaction.Commit;
931	>	end;
932	>	end;
933	>
934	>	function TIBTable.IndexDefsStored: Boolean;
935	>	begin
936	>	Result := StoreDefs and (IndexDefs.Count > 0);
937	>	end;
938	>
939	>	procedure TIBTable.SetParams;
940	>	var
941	>	i: Integer;
942	>	begin
943	>	if (MasterSource = nil) or (MasterSource.DataSet = nil) or
944	>	(not MasterSource.DataSet.Active) or (FMasterFieldsList.Count = 0) then
945	>	exit;
946	>	for i := 0 to FMasterFieldsList.Count - 1 do
947	>	QSelect.Params.ByName(FMasterFieldsList.Strings[i]).Value :=
948	>	MasterSource.DataSet.FieldByName(FMasterFieldsList.Strings[i]).Value;
949	>	end;
950	>
951	>	procedure TIBTable.MasterChanged(Sender: TObject);
952	>	begin
953	>	CheckBrowseMode;
954	>	SetParams;
955	>	ReQuery;
956	>	end;
957	>
958	>	procedure TIBTable.MasterDisabled(Sender: TObject);
959	>	begin
960	>	DataEvent(dePropertyChange, 0);
961	>	ReQuery;
962	>	end;
963	>
964	>	function TIBTable.GetDataSource: TDataSource;
965	>	begin
966	>	Result := FMasterLink.DataSource;
967	>	end;
968	>
969	>	procedure TIBTable.SetDataSource(Value: TDataSource);
970	>	begin
971	>	if IsLinkedTo(Value) then IBError(ibxeCircularDataLink, [Self]);
972	>	if FMasterLink.DataSource <> Value then
973	>	DataEvent(dePropertyChange, 0);
974	>	FMasterLink.DataSource := Value;
975	>	end;
976	>
977	>	function TIBTable.GetMasterFields: string;
978	>	begin
979	>	Result := FMasterLink.FieldNames;
980	>	end;
981	>
982	>	procedure TIBTable.SetMasterFields(const Value: string);
983	>	begin
984	>	if FMasterLink.FieldNames <> Value then
985	>	DataEvent(dePropertyChange, 0);
986	>	FMasterLink.FieldNames := Value;
987	>	end;
988	>
989	>	procedure TIBTable.DoOnNewRecord;
990	>	var
991	>	I: Integer;
992	>	begin
993	>	if FMasterLink.Active and (FMasterLink.Fields.Count > 0) then
994	>	for I := 0 to FMasterLink.Fields.Count - 1 do
995	>	IndexFields[I] := TField(FMasterLink.Fields[I]);
996	>	inherited DoOnNewRecord;
997	>	end;
998	>
999	>	function TIBTable.FormatFieldsList(Value: String): String;
1000	>	var
1001	>	FieldName: string;
1002	>	i: Integer;
1003	>	begin
1004	>	if Database.SQLDialect = 1 then begin
1005	>	Value := QuoteIdentifier(Database.SQLDialect, Value);
1006	>	Result := StringReplace (Value, ';', ', ', [rfReplaceAll]);
1007	>	end
1008	>	else begin
1009	>	i := 1;
1010	>	Result := '';
1011	>	while i <= Length(Value) do
1012	>	begin
1013	>	FieldName := ExtractFieldName(Value, i);
1014	>	if Result = '' then
1015	>	Result := QuoteIdentifier(Database.SQLDialect, FieldName)
1016	>	else
1017	>	Result := Result + ', ' + QuoteIdentifier(Database.SQLDialect, FieldName);
1018	>	end;
1019	>	end;
1020	>	end;
1021	>
1022	>	procedure TIBTable.ExtractLinkFields;
1023	>	var
1024	>	i: Integer;
1025	>	DetailFieldNames: String;
1026	>	begin
1027	>	FMasterFieldsList.Clear;
1028	>	FDetailFieldsList.Clear;
1029	>	i := 1;
1030	>	while i <= Length(MasterFields) do
1031	>	FMasterFieldsList.Add(ExtractFieldName(MasterFields, i));
1032	>	i := 1;
1033	>	if IndexFieldNames = '' then
1034	>	DetailFieldNames := FPrimaryIndexFields
1035	>	else
1036	>	DetailFieldNames := IndexFieldNames;
1037	>	while i <= Length(DetailFieldNames) do
1038	>	FDetailFieldsList.Add(ExtractFieldName(DetailFieldNames, i));
1039	>	end;
1040	>
1041	>	procedure TIBTable.GetDetailLinkFields(MasterFields, DetailFields: TList);
1042	>	var
1043	>	i: Integer;
1044	>	Idx: TIndexDef;
1045	>	begin
1046	>	MasterFields.Clear;
1047	>	DetailFields.Clear;
1048	>	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and
1049	>	(Self.MasterFields <> '') then
1050	>	begin
1051	>	Idx := nil;
1052	>	MasterSource.DataSet.GetFieldList(MasterFields, Self.MasterFields);
1053	>	UpdateIndexDefs;
1054	>	if IndexName <> '' then
1055	>	Idx := IndexDefs.Find(IndexName)
1056	>	else if IndexFieldNames <> '' then
1057	>	Idx := IndexDefs.GetIndexForFields(IndexFieldNames, False)
1058	>	else
1059	>	for i := 0 to IndexDefs.Count - 1 do
1060	>	if ixPrimary in IndexDefs[i].Options then
1061	>	begin
1062	>	Idx := IndexDefs[i];
1063	>	break;
1064	>	end;
1065	>	if Idx <> nil then
1066	>	GetFieldList(DetailFields, Idx.Fields);
1067	>	end;
1068	>	end;
1069	>
1070	>	procedure TIBTable.SetReadOnly(Value: Boolean);
1071	>	begin
1072	>	CheckInactive;
1073	>	FReadOnly := Value;
1074	>	end;
1075	>
1076	>	procedure TIBTable.SetTableName(Value: String);
1077	>	begin
1078	>	if not (csReading in ComponentState) then
1079	>	begin
1080	>	CheckInactive;
1081	>	if Value <> FTableName then
1082	>	begin
1083	>	ResetSQLStatements;
1084	>	FRegenerateSQL := True;
1085	>	FTableName := Value;
1086	>	IndexName := '';
1087	>	IndexFieldNames := '';
1088	>	FPrimaryIndexFields := '';
1089	>	DataEvent(dePropertyChange, 0);
1090	>	end;
1091	>	end
1092	>	else if Value <> FTableName then
1093	>	FTableName := Value;
1094	>	end;
1095	>
1096	>	function TIBTable.GetIndexField(Index: Integer): TField;
1097	>	var
1098	>	I, Count: Integer;
1099	>	FieldNames, FieldName: String;
1100	>	begin
1101	>	Result := nil;
1102	>	FieldName := '';
1103	>	FieldNames := IndexFieldNames;
1104	>	if FieldNames = '' then
1105	>	begin
1106	>	for I := 0 to IndexDefs.Count - 1 do
1107	>	if (IndexDefs[i].Name = FIndexName) then
1108	>	begin
1109	>	FieldNames := IndexDefs[i].Fields;
1110	>	break;
1111	>	end;
1112	>	end;
1113	>	for I := 0 to Index do
1114	>	begin
1115	>	Count := Pos(';', FieldNames); {mbcs OK}
1116	>	if Count = 0 then
1117	>	FieldName := FieldNames
1118	>	else begin
1119	>	FieldName := Copy(FieldNames, 0, Count - 1);
1120	>	System.Delete(FieldNames, 1, Count);
1121	>	end;
1122	>	end;
1123	>	if FieldName <> '' then
1124	>	Result := FieldByName(FieldName)
1125	>	else
1126	>	IBError(ibxeIndexFieldMissing, [nil]);
1127	>	end;
1128	>
1129	>
1130	>	procedure TIBTable.SetIndexField(Index: Integer; Value: TField);
1131	>	begin
1132	>	GetIndexField(Index).Assign(Value);
1133	>	end;
1134	>
1135	>	function TIBTable.GetIndexFieldCount: Integer;
1136	>	var
1137	>	I, Index: Integer;
1138	>	FieldNames: String;
1139	>	done: Boolean;
1140	>	begin
1141	>	FieldNames := IndexFieldNames;
1142	>	if FieldNames = '' then
1143	>	begin
1144	>	for I := 0 to IndexDefs.Count - 1 do
1145	>	if (IndexDefs[i].Name = FIndexName) then
1146	>	begin
1147	>	FieldNames := IndexDefs[i].Fields;
1148	>	break;
1149	>	end;
1150	>	end;
1151	>	if FieldNames = '' then
1152	>	Result := 0
1153	>	else
1154	>	begin
1155	>	done := False;
1156	>	Result := 1;
1157	>	while not done do
1158	>	begin
1159	>	Index := Pos(';', FieldNames); {mbcs ok}
1160	>	if Index <> 0 then
1161	>	begin
1162	>	System.Delete(FieldNames, 1, Index);
1163	>	Inc(Result);
1164	>	end else
1165	>	done := True;
1166	>	end;
1167	>	end;
1168	>	end;
1169	>
1170	>	function TIBTable.GetTableNames: TStrings;
1171	>	begin
1172	>	FNameList.clear;
1173	>	GetTableNamesFromServer;
1174	>	Result := FNameList;
1175	>	end;
1176	>
1177	>	procedure TIBTable.GetTableNamesFromServer;
1178	>	var
1179	>	Query : TIBSQL;
1180	>	begin
1181	>	if not (csReading in ComponentState) then begin
1182	>	ActivateConnection;
1183	>	Database.InternalTransaction.StartTransaction;
1184	>	Query := TIBSQL.Create(self);
1185	>	try
1186	>	Query.GoToFirstRecordOnExecute := False;
1187	>	Query.Database := DataBase;
1188	>	Query.Transaction := Database.InternalTransaction;
1189	>	if (TableTypes * [ttSystem, ttView] = [ttSystem, ttView]) then
1190	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' {do not localize}
1191	>	else if ttSystem in TableTypes then
1192	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1193	>	' where RDB$VIEW_BLR is NULL' {do not localize}
1194	>	else if ttView in TableTypes then
1195	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1196	>	' where RDB$SYSTEM_FLAG = 0' {do not localize}
1197	>	else
1198	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1199	>	' where RDB$VIEW_BLR is NULL and RDB$SYSTEM_FLAG = 0'; {do not localize}
1200	>	Query.Prepare;
1201	>	Query.ExecQuery;
1202	>	while (not Query.EOF) and Query.Next  do
1203	>	FNameList.Add (TrimRight(Query.Fields[0].AsString));
1204	>	finally
1205	>	Query.Free;
1206	>	Database.InternalTransaction.Commit;
1207	>	end;
1208	>	end;
1209	>	end;
1210	>
1211	>	procedure TIBTable.SwitchToIndex();
1212	>	begin
1213	>	FSwitchingIndex := True;
1214	>	InternalTableRefresh;
1215	>	FSwitchingIndex := False;
1216	>	end;
1217	>
1218	>	procedure TIBTable.InternalTableRefresh();
1219	>	var
1220	>	DBKey: TIBDBKey;
1221	>	begin
1222	>	CheckActive;
1223	>	DBKey := CurrentDBKey;
1224	>	FRegenerateSQL := True;
1225	>	Reopen;
1226	>	if DBKey.DBKey[0] <> 0 then
1227	>	InternalGotoDBKey(DBKey);
1228	>	end;
1229	>
1230	>	procedure TIBTable.GenerateSQL;
1231	>	var
1232	>	i: Integer;
1233	>	SQL: TStrings;
1234	>	OrderByStr: string;
1235	>	bWhereClausePresent: Boolean;
1236	>	fn: string;
1237	>	aField: TFieldDef;
1238	>	begin
1239	>	bWhereClausePresent := False;
1240	>	Database.CheckActive;
1241	>	Transaction.CheckInTransaction;
1242	>	if IndexDefs.Updated = False then
1243	>	IndexDefs.Update;
1244	>	if IndexFieldNames <> '' then
1245	>	OrderByStr := FormatFieldsList(IndexFieldNames)
1246	>	else if IndexName <> '' then
1247	>	OrderByStr := FormatFieldsList(IndexDefs[IndexDefs.Indexof (IndexName)].Fields)
1248	>	else if FDefaultIndex and (FPrimaryIndexFields <> '') then
1249	>	OrderByStr := FormatFieldsList(FPrimaryIndexFields);
1250	>	SQL := TStringList.Create;
1251	>	SQL.Text := 'select ' + {do not localize}
1252	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1253	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1254	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName);
1255	>	if Filtered and (Filter <> '') then
1256	>	begin
1257	>	SQL.Text := SQL.Text + ' where ' + Filter; {do not localize}
1258	>	bWhereClausePresent := True;
1259	>	end;
1260	>	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and (MasterFields <> '') then
1261	>	begin
1262	>	if bWhereClausePresent then
1263	>	SQL.Text := SQL.Text + ' AND ' {do not localize}
1264	>	else
1265	>	SQL.Text := SQL.Text + ' WHERE '; {do not localize}
1266	>	ExtractLinkfields;
1267	>	if FDetailFieldsList.Count < FMasterFieldsList.Count then
1268	>	IBError(ibxeUnknownError, [nil]);
1269	>	for i := 0 to FMasterFieldsList.Count - 1 do
1270	>	begin
1271	>	if i > 0 then
1272	>	SQL.Text := SQL.Text + 'AND ';
1273	>	aField := FieldDefs.Find(FDetailFieldsList.Strings[i]);
1274	>	if assigned(aField) then
1275	>	fn := GetDBAliasName(aField.FieldNo)
1276	>	else
1277	>	fn := FDetailFieldsList.Strings[i]; {something wrong if we get here - but should word}
1278	>	SQL.Text := SQL.Text +
1279	>	QuoteIdentifier(DataBase.SQLDialect, fn) + ' = :' + FMasterFieldsList.Strings[i];
1280	>	end;
1281	>	end;
1282	>	if OrderByStr <> '' then
1283	>	SQL.Text := SQL.Text + ' order by ' + OrderByStr; {do not localize}
1284	>	SelectSQL.Assign(SQL);
1285	>	RefreshSQL.Text := 'select ' + {do not localize}
1286	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1287	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1288	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1289	>	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1290	>	WhereDBKeyRefreshSQL.Assign(RefreshSQL);
1291	>	InternalPrepare;
1292	>	SQL.Free;
1293	>	end;
1294	>
1295	>	procedure TIBTable.GenerateUpdateSQL;
1296	>	var
1297	>	InsertFieldList, InsertParamList, UpdateFieldList: string;
1298	>	WherePrimaryFieldList, WhereAllFieldList,
1299	>	InsertReturningFieldList, UpdateReturningFieldList: string;
1300	>
1301	>	procedure GenerateFieldLists;
1302	>	var
1303	>	I: Integer;
1304	>	AllowReturningClause: boolean;
1305	>	begin
1306	>	{Is database Firebird 2.1 or later?}
1307	>	AllowReturningClause := (DatabaseInfo.ODSMajorVersion > 11) or
1308	>	((DatabaseInfo.ODSMajorVersion = 11) and (DatabaseInfo.ODSMinorVersion >= 1));
1309	>	for I := 0 to FieldDefs.Count - 1 do begin
1310	>	with TIBFieldDef(FieldDefs[I]) do begin
1311	>	if AllowReturningClause then
1312	>	begin
1313	>	if (faReadOnly in Attributes) or IdentityColumn then
1314	>	begin
1315	>	if InsertReturningFieldList <> '' then
1316	>	InsertReturningFieldList := InsertReturningFieldList + ', ' +
1317	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo))
1318	>	else
1319	>	InsertReturningFieldList := ' RETURNING ' +
1320	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo))
1321	>	end;
1322	>	if (faReadOnly in Attributes)  then
1323	>	begin
1324	>	if UpdateReturningFieldList <> '' then
1325	>	UpdateReturningFieldList := UpdateReturningFieldList + ', ' +
1326	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo))
1327	>	else
1328	>	UpdateReturningFieldList := ' RETURNING ' +
1329	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo))
1330	>	end;
1331	>	end;
1332	>	if not (InternalCalcField or (faReadOnly in Attributes) or
1333	>	(DataType = ftUnknown)) then
1334	>	begin
1335	>	if not IdentityColumn then
1336	>	begin
1337	>	if ( InsertFieldList <> '' ) then begin
1338	>	InsertFieldList := InsertFieldList + ', ';
1339	>	InsertParamList := InsertParamList + ', ';
1340	>	end;
1341	>	InsertFieldList := InsertFieldList +
1342	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo));
1343	>	InsertParamList := InsertParamList + ':' +  Name;
1344	>	end;
1345	>	if (UpdateFieldList <> '') then begin
1346	>	UpdateFieldList := UpdateFieldList + ', ';
1347	>	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1348	>	WhereAllFieldList := WhereAllFieldList + ' AND ';
1349	>	end;
1350	>	UpdateFieldList := UpdateFieldList +
1351	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) +
1352	>	' = :' + Name;
1353	>	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1354	>	WhereAllFieldList := WhereAllFieldList +
1355	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) + ' = :' +  Name;
1356	>	end;
1357	>	end;
1358	>	end;
1359	>	end;
1360	>
1361	>	procedure GenerateWherePrimaryFieldList;
1362	>	var
1363	>	i: Integer;
1364	>	tmp, fn: String;
1365	>	aField: TFieldDef;
1366	>	begin
1367	>	i := 1;
1368	>	while i <= Length(FPrimaryIndexFields) do
1369	>	begin
1370	>	tmp := ExtractFieldName(FPrimaryIndexFields, i);
1371	>	aField := FieldDefs.Find(tmp);
1372	>	if assigned(aField) then
1373	>	fn := GetDBAliasName(aField.FieldNo)
1374	>	else
1375	>	fn := tmp; {something wrong if we get here - but will work in most cases}
1376	>	tmp :=
1377	>	QuoteIdentifier(DataBase.SQLDialect, fn) +  ' = :' +
1378	>	QuoteIdentifier(DataBase.SQLDialect, tmp);{do not localize}
1379	>	if WherePrimaryFieldList <> '' then
1380	>	WherePrimaryFieldList :=
1381	>	WherePrimaryFieldList + ' AND ' + tmp
1382	>	else
1383	>	WherePrimaryFieldList := tmp;
1384	>	end;
1385	>	end;
1386	>
1387	>	begin
1388	>	if InternalGetUpdatable = False  then
1389	>	FReadOnly := True
1390	>	else
1391	>	begin
1392	>	DeleteSQL.Text := 'delete from ' + {do not localize}
1393	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1394	>	' where RDB$DB_KEY = ' + ':IBX_INTERNAL_DBKEY'; {do not localize}
1395	>	GenerateFieldLists;
1396	>	InsertSQL.Text := 'insert into ' + {do not localize}
1397	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1398	>	' (' + InsertFieldList + {do not localize}
1399	>	') values (' + InsertParamList + ')' + InsertReturningFieldList; {do not localize}
1400	>	ModifySQL.Text := 'update ' +
1401	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1402	>	' set ' + UpdateFieldList + {do not localize}
1403	>	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY' + UpdateReturningFieldList; {do not localize}
1404	>	WhereAllRefreshSQL.Text := 'select ' +  {do not localize}
1405	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, '
1406	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1407	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1408	>	' where ' + WhereAllFieldList ; {do not localize}
1409	>	if FPrimaryIndexFields <> '' then
1410	>	begin
1411	>	GenerateWherePrimaryFieldList;
1412	>	WherePrimaryRefreshSQL.Text := 'select ' + {do not localize}
1413	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1414	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1415	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1416	>	' where ' + WherePrimaryFieldList; {do not localize}
1417	>	end;
1418	>	try
1419	>	InternalPrepare;
1420	>	except
1421	>	FReadonly := True;
1422	>	end;
1423	>	end;
1424	>	end;
1425	>
1426	>	procedure TIBTable.ResetSQLStatements;
1427	>	begin
1428	>	SelectSQL.Text := '';
1429	>	DeleteSQL.Text := '';
1430	>	InsertSQL.Text := '';
1431	>	ModifySQL.Text := '';
1432	>	RefreshSQL.Text := '';
1433	>	end;
1434	>
1435	>	procedure TIBTable.SetTableTypes(
1436	>	const Value: TIBTableTypes);
1437	>	begin
1438	>	FTableTypes := Value;
1439	>	end;
1440	>
1441	>	function TIBTable.InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
1442	>
1443	>	function DBKeyCompare (DBKey1, DBKey2: TIBDBKey): Boolean;
1444	>	var
1445	>	I: Integer;
1446	>	begin
1447	>	for I := 0 to 7 do
1448	>	if (DBKey1.DBKey[i] <> DBKey2.DBKey[i]) then begin
1449	>	result := False;
1450	>	exit;
1451	>	end;
1452	>	result := True;
1453	>	end;
1454	>	begin
1455	>	CheckActive;
1456	>	DisableControls;
1457	>	try
1458	>	result := False;
1459	>	First;
1460	>	while ((not result) and (not EOF)) do begin
1461	>	if (DBKeyCompare (DBKey, PRecordData(GetActiveBuf)^.rdDBKey)) then
1462	>	result := True
1463	>	else
1464	>	Next;
1465	>	end;
1466	>	if not result then
1467	>	First
1468	>	else
1469	>	CursorPosChanged;
1470	>	finally
1471	>	EnableControls;
1472	>	end;
1473	>	end;
1474	>
1475	>	function TIBTable.GetCurrentDBKey: TIBDBKey;
1476	>	var
1477	>	Buf: pChar;
1478	>	begin
1479	>	CheckActive;
1480	>	buf := GetActiveBuf;
1481	>	if Buf <> nil then
1482	>	Result := PRecordData(Buf)^.rdDBKey
1483	>	else
1484	>	Result.DBKey[0] := 0;
1485	>	end;
1486	>
1487	>	procedure TIBTable.Reopen;
1488	>	begin
1489	>	DisableControls;
1490	>	try
1491	>	if Active then
1492	>	begin
1493	>	SetState(dsInactive);
1494	>	CloseCursor;
1495	>	OpenCursor(false);
1496	>	SetState(dsBrowse);
1497	>	end;
1498	>	finally
1499	>	EnableControls;
1500	>	end;
1501	>	end;
1502	>
1503	>	end.

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