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Comparing ibx/trunk/runtime/IBTable.pas (file contents):
Revision 1 by tony, Mon Jul 31 16:43:00 2000 UTC vs.
Revision 19 by tony, Mon Jul 7 13:00:15 2014 UTC

#	Line 1 | Line 1
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	<	{************************************************************************}
28	<
29	<	unit IBTable;
30	<
31	<	interface
32	<
33	<	uses Windows, SysUtils, Graphics, Classes, Controls, Db, StdVCL,
34	<	IB, IBDatabase, IBCustomDataSet, IBHeader, IBSQL, IBUtils;
35	<
36	<	type
37	<
38	<	{ TIBTable }
39	<
40	<	TIBTableType = (ttSystem, ttView);
41	<	TIBTableTypes = set of TIBTableType;
42	<	TIndexName = String;
43	<
44	<	TIBTable = class;
45	<
46	<	TIBTable = class(TIBCustomDataSet)
47	<	private
48	<	FSystemTable: Boolean;
49	<	FMultiTableView: Boolean;
50	<	FMasterLink: TMasterDataLink;
51	<	FMasterFieldsList: TStringList;
52	<	FDetailFieldsList: TStringList;
53	<	FStoreDefs: Boolean;
54	<	FIndexDefs: TIndexDefs;
55	<	FDefaultIndex: Boolean;
56	<	FReadOnly: Boolean;
57	<	FFieldsIndex: Boolean;
58	<	FTableName: String;
59	<	FIndexName: TIndexName;
60	<	FRegenerateSQL: Boolean;
61	<	FNameList: TStrings;
62	<	FSwitchingIndex: Boolean;
63	<	FPrimaryIndexFields: string;
64	<	FTableTypes: TIBTableTypes;
65	<	WhereAllRefreshSQL: TStrings;
66	<	WhereDBKeyRefreshSQL: TStrings;
67	<	WherePrimaryRefreshSQL: TStrings;
68	<
69	<	function GetIndexFieldCount: Integer;
70	<	function GetIndexField(Index: Integer): TField;
71	<	procedure MasterChanged(Sender: TObject);
72	<	procedure MasterDisabled(Sender: TObject);
73	<	procedure SetDataSource(Value: TDataSource);
74	<	procedure SetIndexField(Index: Integer; Value: TField);
75	<	procedure SetIndexFieldNames(const Value: string);
76	<	procedure GenerateSQL;
77	<	procedure GenerateUpdateSQL;
78	<	procedure SwitchToIndex();
79	<	procedure InternalTableRefresh();
80	<	function GetTableNames: TStrings;
81	<	procedure GetTableNamesFromServer;
82	<	procedure SetTableTypes(
83	<	const Value: TIBTableTypes);
84	<	function InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
85	<	function FormatFieldsList(Value: string): string;
86	<	function GetCurrentDBKey: TIBDBKey;
87	<	function InternalGetUpdatable: Boolean;
88	<	function GetExists: Boolean;
89	<	procedure SetIndexDefs(Value: TIndexDefs);
90	<	procedure ExtractLinkFields;
91	<	function FieldDefsStored: Boolean;
92	<	function IndexDefsStored: Boolean;
93	<	function GetMasterFields: string;
94	<	procedure SetMasterFields(const Value: string);
95	<	function GetIndexFieldNames: string;
96	<	function GetIndexName: string;
97	<	procedure SetIndexName(const Value: string);
98	<	procedure SetParams;
99	<	procedure SetReadOnly(Value: Boolean);
100	<	procedure SetTableName(Value: String);
101	<	procedure SetIndex(const Value: string; FieldsIndex: Boolean);
102	<	procedure ResetSQLStatements;
103	<	procedure Reopen;
104	<
105	<	protected
106	<	{ IProviderSupport }
107	<	function PSGetDefaultOrder: TIndexDef; override;
108	<	function PSGetKeyFields: string; override;
109	<	function PSGetTableName: string; override;
110	<	function PSGetIndexDefs(IndexTypes: TIndexOptions): TIndexDefs; override;
111	<	procedure PSSetCommandText(const CommandText: string); override;
112	<	procedure PSSetParams(AParams: TParams); override;
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: Longint); override;
120	<	procedure DefChanged(Sender: TObject); override;
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); override;
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 Active;
151	<	property BufferChunks;
152	<	property CachedUpdates;
153	<	property Constraints stored ConstraintsStored;
154	<	property DefaultIndex: Boolean read FDefaultIndex write FDefaultIndex default True;
155	<	property FieldDefs stored FieldDefsStored;
156	<	property Filter;
157	<	property Filtered;
158	<	property IndexDefs: TIndexDefs read FIndexDefs write SetIndexDefs stored IndexDefsStored;
159	<	property IndexFieldNames: string read GetIndexFieldNames write SetIndexFieldNames;
160	<	property IndexName: string read GetIndexName write SetIndexName;
161	<	property MasterFields: string read GetMasterFields write SetMasterFields;
162	<	property MasterSource: TDataSource read GetDataSource write SetDataSource;
163	<	property ReadOnly: Boolean read FReadOnly write SetReadOnly default False;
164	<	property StoreDefs: Boolean read FStoreDefs write FStoreDefs default False;
165	<	property TableName: String read FTableName write SetTableName;
166	<	property TableTypes: TIBTableTypes read FTableTypes write SetTableTypes default [];
167	<	property UpdateObject;
168	<	property UniDirectional;
169	<
170	<	property BeforeDatabaseDisconnect;
171	<	property AfterDatabaseDisconnect;
172	<	property DatabaseFree;
173	<	property BeforeTransactionEnd;
174	<	property AfterTransactionEnd;
175	<	property TransactionFree;
176	<	property OnFilterRecord;
177	<	end;
178	<
179	<	implementation
180	<
181	<	{ TIBTable }
182	<
183	<	constructor TIBTable.Create(AOwner: TComponent);
184	<	begin
185	<	inherited Create(AOwner);
186	<	FNameList := TStringList.Create;
187	<	FSwitchingIndex := False;
188	<	FIndexDefs := TIndexDefs.Create(Self);
189	<	WhereAllRefreshSQL := TStringList.Create;
190	<	WhereDBKeyRefreshSQL := TStringList.Create;
191	<	WherePrimaryRefreshSQL := TStringList.Create;
192	<	FDefaultIndex := True;
193	<	FRegenerateSQL := True;
194	<	FMasterFieldsList := TStringList.Create;
195	<	FDetailFieldsList := TStringList.Create;
196	<	FMasterLink := TMasterDataLink.Create(Self);
197	<	FMasterLink.OnMasterChange := MasterChanged;
198	<	FMasterLink.OnMasterDisable := MasterDisabled;
199	<	QRefresh.OnSQLChanging := nil;
200	<	QDelete.OnSQLChanging := nil;
201	<	QInsert.OnSQLChanging := nil;
202	<	QModify.OnSQLChanging := nil;
203	<	end;
204	<
205	<	destructor TIBTable.Destroy;
206	<	begin
207	<	FNameList.Free;
208	<	FIndexDefs.Free;
209	<	FMasterFieldsList.Free;
210	<	FDetailFieldsList.Free;
211	<	FMasterLink.Free;
212	<	WhereAllRefreshSQL.Free;
213	<	WhereDBKeyRefreshSQL.Free;
214	<	WherePrimaryRefreshSQL.Free;
215	<	inherited Destroy;
216	<	end;
217	<
218	<	procedure TIBTable.InternalClose;
219	<	begin
220	<	DataEvent(dePropertyChange, 0);
221	<	inherited InternalClose;
222	<	end;
223	<
224	<	procedure TIBTable.InternalOpen;
225	<	begin
226	<	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
227	<	ActivateConnection;
228	<	ActivateTransaction;
229	<	if FRegenerateSQL then
230	<	begin
231	<	InternalUnprepare;
232	<	GenerateSQL;
233	<	if not FReadOnly then
234	<	GenerateUpdateSQL;
235	<	FRegenerateSQL := False;
236	<	end;
237	<	SetParams;
238	<	inherited InternalOpen;
239	<	end;
240	<
241	<	procedure TIBTable.InternalRefresh;
242	<	var
243	<	DBKey: TIBDBKey;
244	<	begin
245	<	DBKey := CurrentDBKey;
246	<	Reopen;
247	<	if DBKey.DBKey[0] <> 0 then
248	<	InternalGotoDBKey(DBKey);
249	<	end;
250	<
251	<	procedure TIBTable.SetFiltered(Value: Boolean);
252	<	begin
253	<	if(Filtered <> Value) then
254	<	begin
255	<	inherited SetFiltered(value);
256	<	if Active then
257	<	InternalTableRefresh;
258	<	end
259	<	else
260	<	inherited SetFiltered(value);
261	<	end;
262	<
263	<	procedure TIBTable.SetFilterText(const Value: string);
264	<	begin
265	<	if Filtered and (Value <> Filter) then
266	<	begin
267	<	inherited SetFilterText(value);
268	<	InternalTableRefresh;
269	<	end
270	<	else
271	<	inherited SetFilterText(value);
272	<	end;
273	<
274	<	procedure TIBTable.SetFilterOptions(Value: TFilterOptions);
275	<	begin
276	<	if Value <> [] then
277	<	IBError(ibxeNotSupported, [nil]);
278	<	end;
279	<
280	<	procedure TIBTable.InternalRefreshRow;
281	<	begin
282	<	if CurrentDBKey.DBKey[0] <> 0 then
283	<	QRefresh.SQL.Assign(WhereDBKeyRefreshSQL)
284	<	else if WherePrimaryRefreshSQL.Text <> '' then
285	<	QRefresh.SQL.Assign(WherePrimaryRefreshSQL)
286	<	else
287	<	QRefresh.SQL.Assign(WhereAllRefreshSQL);
288	<	inherited;
289	<	end;
290	<
291	<	procedure TIBTable.DefChanged(Sender: TObject);
292	<	begin
293	<	StoreDefs := True;
294	<	end;
295	<
296	<	procedure TIBTable.InitFieldDefs;
297	<	var
298	<	sqlscale: Integer;
299	<	Query: TIBSQL;
300	<	begin
301	<	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
302	<	if (InternalPrepared) then InternalInitFieldDefs else
303	<	begin
304	<	Database.InternalTransaction.StartTransaction;
305	<	Query := TIBSQL.Create(self);
306	<	try
307	<	Query.GoToFirstRecordOnExecute := False;
308	<	Query.Database := DataBase;
309	<	Query.Transaction := Database.InternalTransaction;
310	<	Query.SQL.Text := 'Select R.RDB$FIELD_NAME, R.RDB$FIELD_POSITION, ' + {do not localize}
311	<	'F.RDB$COMPUTED_BLR, F.RDB$DEFAULT_VALUE, ' + {do not localize}
312	<	'F.RDB$NULL_FLAG, ' + {do not localize}
313	<	'F.RDB$FIELD_LENGTH, F.RDB$FIELD_SCALE, ' + {do not localize}
314	<	'F.RDB$FIELD_TYPE, F.RDB$FIELD_SUB_TYPE, ' + {do not localize}
315	<	'F.RDB$EXTERNAL_LENGTH, F.RDB$EXTERNAL_SCALE, F.RDB$EXTERNAL_TYPE ' + {do not localize}
316	<	'from RDB$RELATION_FIELDS R, RDB$FIELDS F ' + {do not localize}
317	<	'where R.RDB$RELATION_NAME = ' + {do not localize}
318	<	'''' +
319	<	FormatIdentifierValue(Database.SQLDialect, FTableName) +
320	<	''' ' +
321	<	'and R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME '+ {do not localize}
322	<	'order by R.RDB$FIELD_POSITION'; {do not localize}
323	<
324	<	Query.Prepare;
325	<	Query.ExecQuery;
326	<	FieldDefs.BeginUpdate;
327	<	FieldDefs.Clear;
328	<	while (not Query.EOF) and (Query.Next <> nil) do
329	<	begin
330	<	with FieldDefs.AddFieldDef do
331	<	begin
332	<	FieldNo := Query.Current.ByName('RDB$FIELD_POSITION').AsInteger; {do not localize}
333	<	Name := TrimRight(Query.Current.ByName('RDB$FIELD_NAME').AsString); {do not localize}
334	<	case Query.Current.ByName('RDB$FIELD_TYPE').AsInteger of {do not localize}
335	<	blr_varying, blr_text: begin
336	<	DataType := ftString;
337	<	Size := Query.Current.ByName('RDB$FIELD_LENGTH').AsInteger; {do not localize}
338	<	end;
339	<	blr_float, blr_double, blr_d_float: DataType := ftFloat;
340	<	blr_short: begin
341	<	sqlscale := Query.Current.ByName('RDB$FIELD_SCALE').AsInteger; {do not localize}
342	<	if (sqlscale = 0) then
343	<	DataType := ftSmallInt
344	<	else begin
345	<	DataType := ftBCD;
346	<	Precision := 4;
347	<	end;
348	<	end;
349	<	blr_long: begin
350	<	sqlscale := Query.Current.ByName('RDB$FIELD_SCALE').AsInteger; {do not localize}
351	<	if (sqlscale = 0) then
352	<	DataType := ftInteger
353	<	else if (sqlscale >= (-4)) then begin
354	<	DataType := ftBCD;
355	<	Precision := 9;
356	<	end else
357	<	DataType := ftFloat;
358	<	end;
359	<	blr_int64: begin
360	<	sqlscale := Query.Current.ByName('RDB$FIELD_SCALE').AsInteger; {do not localize}
361	<	if (sqlscale = 0) then
362	<	DataType := ftLargeInt
363	<	else if (sqlscale >= (-4)) then begin
364	<	DataType := ftBCD;
365	<	Precision := 18;
366	<	end else
367	<	DataType := ftFloat;
368	<	end;
369	<	blr_timestamp: DataType := ftDateTime;
370	<	blr_sql_time: DataType := ftTime;
371	<	blr_sql_date: DataType := ftDate;
372	<	blr_blob:
373	<	if (Query.Current.ByName('RDB$FIELD_SUB_TYPE').AsInteger = 1) then {do not localize}
374	<	DataType := ftMemo
375	<	else
376	<	DataType := ftBlob;
377	<	blr_quad: begin
378	<	DataType := ftUnknown;
379	<	Size := sizeof (TISC_QUAD);
380	<	end;
381	<	else
382	<	DataType := ftUnknown;
383	<	end;
384	<	if not (Query.Current.ByName('RDB$COMPUTED_BLR').IsNull) then {do not localize}
385	<	begin
386	<	Attributes := [faReadOnly];
387	<	InternalCalcField := True
388	<	end
389	<	else
390	<	InternalCalcField := False;
391	<	if ((not InternalCalcField) and
392	<	Query.Current.ByName('RDB$DEFAULT_VALUE').IsNull and {do not localize}
393	<	(Query.Current.ByName('RDB$NULL_FLAG').AsInteger = 1) )then begin {do not localize}
394	<	Attributes := [faRequired];
395	<	Required := True;
396	<	end;
397	<	end;
398	<	end;
399	<	FieldDefs.EndUpdate;
400	<	finally
401	<	Query.free;
402	<	Database.InternalTransaction.Commit;
403	<	end;
404	<	end;
405	<	end;
406	<
407	<	{ Index / Ranges / Keys }
408	<
409	<	procedure TIBTable.AddIndex(const Name, Fields: string; Options: TIndexOptions;
410	<	const DescFields: string);
411	<	var
412	<	Query: TIBSQL;
413	<	FieldList: string;
414	<	begin
415	<	FieldDefs.Update;
416	<	if Active then begin
417	<	CheckBrowseMode;
418	<	CursorPosChanged;
419	<	end;
420	<	Query := TIBSQL.Create(self);
421	<	try
422	<	Query.Database := DataBase;
423	<	Query.Transaction := Transaction;
424	<	FieldList := FormatFieldsList(Fields);
425	<	if (ixPrimary in Options) then
426	<	begin
427	<	Query.SQL.Text := 'Alter Table ' + {do not localize}
428	<	FormatIdentifier(Database.SQLDialect, FTableName) +
429	<	' Add CONSTRAINT ' +   {do not localize}
430	<	FormatIdentifier(Database.SQLDialect, Name)
431	<	+ ' Primary Key (' + {do not localize}
432	<	FormatFieldsList(Fields) +
433	<	')';
434	<	end
435	<	else if ([ixUnique, ixDescending] * Options = [ixUnique, ixDescending]) then
436	<	Query.SQL.Text := 'Create unique Descending Index ' + {do not localize}
437	<	FormatIdentifier(Database.SQLDialect, Name) +
438	<	' on ' + {do not localize}
439	<	FormatIdentifier(Database.SQLDialect, FTableName) +
440	<	' (' + FieldList + ')'
441	<	else if (ixUnique in Options) then
442	<	Query.SQL.Text := 'Create unique Index ' + {do not localize}
443	<	FormatIdentifier(Database.SQLDialect, Name) +
444	<	' on ' + {do not localize}
445	<	FormatIdentifier(Database.SQLDialect, FTableName) +
446	<	' (' + FieldList + ')'
447	<	else if (ixDescending in Options) then
448	<	Query.SQL.Text := 'Create Descending Index ' + {do not localize}
449	<	FormatIdentifier(Database.SQLDialect, Name) +
450	<	' on ' + {do not localize}
451	<	FormatIdentifier(Database.SQLDialect, FTableName) +
452	<	' (' + FieldList + ')'
453	<	else
454	<	Query.SQL.Text := 'Create Index ' + {do not localize}
455	<	FormatIdentifier(Database.SQLDialect, Name) +
456	<	' on ' + {do not localize}
457	<	FormatIdentifier(Database.SQLDialect, FTableName) +
458	<	' (' + FieldList + ')';
459	<	Query.Prepare;
460	<	Query.ExecQuery;
461	<	IndexDefs.Updated := False;
462	<	finally
463	<	Query.free
464	<	end;
465	<	end;
466	<
467	<	procedure TIBTable.DeleteIndex(const Name: string);
468	<	var
469	<	Query: TIBSQL;
470	<
471	<	procedure DeleteByIndex;
472	<	begin
473	<	Query := TIBSQL.Create(self);
474	<	try
475	<	Query.Database := DataBase;
476	<	Query.Transaction := Transaction;
477	<	Query.SQL.Text := 'Drop index ' +  {do not localize}
478	<	FormatIdentifier(Database.SQLDialect, Name);
479	<	Query.Prepare;
480	<	Query.ExecQuery;
481	<	IndexDefs.Updated := False;
482	<	finally
483	<	Query.Free;
484	<	end;
485	<	end;
486	<
487	<	function DeleteByConstraint: Boolean;
488	<	begin
489	<	Result := False;
490	<	Query := TIBSQL.Create(self);
491	<	try
492	<	Query.Database := DataBase;
493	<	Query.Transaction := Transaction;
494	<	Query.SQL.Text := 'Select ''foo'' from RDB$RELATION_CONSTRAINTS ' +
495	<	'where RDB$RELATION_NAME = ' +
496	<	'''' +
497	<	FormatIdentifierValue(Database.SQLDialect, FTableName) +
498	<	''' ' +
499	<	' AND RDB$CONSTRAINT_NAME = ' +
500	<	'''' +
501	<	FormatIdentifierValue(Database.SQLDialect, Name) +
502	<	''' ' +
503	<	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
504	<	Query.Prepare;
505	<	Query.ExecQuery;
506	<	if not Query.EOF then
507	<	begin
508	<	Query.Close;
509	<	Query.SQL.Text := 'Alter Table ' +  {do not localize}
510	<	FormatIdentifier(Database.SQLDialect, FTableName) +
511	<	' Drop Constraint ' +
512	<	FormatIdentifier(Database.SQLDialect, Name);
513	<	Query.Prepare;
514	<	Query.ExecQuery;
515	<	IndexDefs.Updated := False;
516	<	Result := True;
517	<	end;
518	<	finally
519	<	Query.Free;
520	<	end;
521	<	end;
522	<
523	<	procedure DeleteByKey;
524	<	begin
525	<	Query := TIBSQL.Create(self);
526	<	try
527	<	Query.Database := DataBase;
528	<	Query.Transaction := Transaction;
529	<	Query.SQL.Text := 'Select RDB$CONSTRAINT_NAME from RDB$RELATION_CONSTRAINTS ' +
530	<	'where RDB$RELATION_NAME = ' +
531	<	'''' +
532	<	FormatIdentifierValue(Database.SQLDialect, FTableName) +
533	<	''' ' +
534	<	'AND RDB$INDEX_NAME = ' +
535	<	'''' +
536	<	FormatIdentifierValue(Database.SQLDialect, Name) +
537	<	''' ' +
538	<	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
539	<	Query.Prepare;
540	<	Query.ExecQuery;
541	<	if not Query.EOF then
542	<	begin
543	<	Query.Close;
544	<	Query.SQL.Text := 'Alter Table ' +  {do not localize}
545	<	FormatIdentifier(Database.SQLDialect, FTableName) +
546	<	' Drop Constraint ' +
547	<	FormatIdentifier(Database.SQLDialect, Query.Current.ByName('RDB$CONSTRAINT_NAME').AsString);
548	<	Query.Prepare;
549	<	Query.ExecQuery;
550	<	IndexDefs.Updated := False;
551	<	end;
552	<	finally
553	<	Query.Free;
554	<	end;
555	<	end;
556	<
557	<	begin
558	<	if Active then
559	<	CheckBrowseMode;
560	<	IndexDefs.Update;
561	<	if (Pos('RDB$PRIMARY', Name) <> 0 ) then {do not localize} {mbcs ok}
562	<	DeleteByKey
563	<	else if not DeleteByConstraint then
564	<	DeleteByIndex;
565	<	end;
566	<
567	<	function TIBTable.GetIndexFieldNames: string;
568	<	begin
569	<	if FFieldsIndex then Result := FIndexName else Result := '';
570	<	end;
571	<
572	<	function TIBTable.GetIndexName: string;
573	<	begin
574	<	if FFieldsIndex then Result := '' else Result := FIndexName;
575	<	end;
576	<
577	<	procedure TIBTable.GetIndexNames(List: TStrings);
578	<	begin
579	<	IndexDefs.Update;
580	<	IndexDefs.GetItemNames(List);
581	<	end;
582	<
583	<	procedure TIBTable.GetIndexParams(const IndexName: string;
584	<	FieldsIndex: Boolean; var IndexedName: string);
585	<	var
586	<	IndexStr: TIndexName;
587	<	begin
588	<	if IndexName <> '' then
589	<	begin
590	<	IndexDefs.Update;
591	<	IndexStr := IndexName;
592	<	if FieldsIndex then
593	<	IndexStr := IndexDefs.FindIndexForFields(IndexName).Name;
594	<	end;
595	<	IndexedName := IndexStr;
596	<	end;
597	<
598	<	procedure TIBTable.SetIndexDefs(Value: TIndexDefs);
599	<	begin
600	<	IndexDefs.Assign(Value);
601	<	end;
602	<
603	<	procedure TIBTable.SetIndex(const Value: string; FieldsIndex: Boolean);
604	<	begin
605	<	if Active then CheckBrowseMode;
606	<	if (FIndexName <> Value) or (FFieldsIndex <> FieldsIndex) then
607	<	begin
608	<	FIndexName := Value;
609	<	FFieldsIndex := FieldsIndex;
610	<	if Active then
611	<	begin
612	<	SwitchToIndex;
613	<	end;
614	<	end;
615	<	end;
616	<
617	<	procedure TIBTable.SetIndexFieldNames(const Value: string);
618	<	begin
619	<	SetIndex(Value, Value <> '');
620	<	end;
621	<
622	<	procedure TIBTable.SetIndexName(const Value: string);
623	<	begin
624	<	SetIndex(Value, False);
625	<	end;
626	<
627	<	procedure TIBTable.UpdateIndexDefs;
628	<	var
629	<	Opts: TIndexOptions;
630	<	Flds: string;
631	<	Query, SubQuery: TIBSQL;
632	<	begin
633	<	if not (csReading in ComponentState) then begin
634	<	if not Active and not FSwitchingIndex  then
635	<	FieldDefs.Update;
636	<	IndexDefs.Clear;
637	<	Database.InternalTransaction.StartTransaction;
638	<	Query := TIBSQL.Create(self);
639	<	try
640	<	FPrimaryIndexFields := '';
641	<	Query.GoToFirstRecordOnExecute := False;
642	<	Query.Database := DataBase;
643	<	Query.Transaction := Database.InternalTransaction;
644	<	Query.SQL.Text :=
645	<	'Select I.RDB$INDEX_NAME, I.RDB$UNIQUE_FLAG, I.RDB$INDEX_TYPE, ' + {do not localize}
646	<	'I.RDB$SEGMENT_COUNT, S.RDB$FIELD_NAME from RDB$INDICES I, ' + {do not localize}
647	<	'RDB$INDEX_SEGMENTS S where I.RDB$INDEX_NAME = S.RDB$INDEX_NAME '+ {do not localize}
648	<	'and I.RDB$RELATION_NAME = ' + '''' + {do not localize}
649	<	FormatIdentifierValue(Database.SQLDialect, FTableName) + '''';
650	<	Query.Prepare;
651	<	Query.ExecQuery;
652	<	while (not Query.EOF) and (Query.Next <> nil) do
653	<	begin
654	<	with IndexDefs.AddIndexDef do
655	<	begin
656	<	Name := TrimRight(Query.Current.ByName('RDB$INDEX_NAME').AsString); {do not localize}
657	<	Opts := [];
658	<	if Pos ('RDB$PRIMARY', Name) = 1 then Include(Opts, ixPrimary); {do not localize} {mbcs ok}
659	<	if Query.Current.ByName('RDB$UNIQUE_FLAG').AsInteger = 1 then Include(Opts, ixUnique); {do not localize}
660	<	if Query.Current.ByName('RDB$INDEX_TYPE').AsInteger = 2  then Include(Opts, ixDescending); {do not localize}
661	<	Options := Opts;
662	<	if (Query.Current.ByName('RDB$SEGMENT_COUNT').AsInteger = 1) then {do not localize}
663	<	Fields := Trim(Query.Current.ByName('RDB$FIELD_NAME').AsString) {do not localize}
664	<	else begin
665	<	SubQuery := TIBSQL.Create(self);
666	<	try
667	<	SubQuery.GoToFirstRecordOnExecute := False;
668	<	SubQuery.Database := DataBase;
669	<	SubQuery.Transaction := Database.InternalTransaction;
670	<	SubQuery.SQL.Text :=
671	<	'Select RDB$FIELD_NAME from RDB$INDEX_SEGMENTS where RDB$INDEX_NAME = ' + {do not localize}
672	<	'''' +
673	<	FormatIdentifierValue(Database.SQLDialect, Name) +
674	<	'''' + 'ORDER BY RDB$FIELD_POSITION'; {do not localize}
675	<	SubQuery.Prepare;
676	<	SubQuery.ExecQuery;
677	<	Flds := '';
678	<	while (not SubQuery.EOF) and (SubQuery.Next <> nil) do
679	<	begin
680	<	if (Flds = '') then
681	<	Flds := TrimRight(SubQuery.Current.ByName('RDB$FIELD_NAME').AsString) {do not localize}
682	<	else begin
683	<	Query.Next;
684	<	Flds := Flds + ';' + TrimRight(SubQuery.Current[0].AsString);
685	<	end;
686	<	end;
687	<	Fields := Flds;
688	<	finally
689	<	SubQuery.Free;
690	<	end;
691	<	end;
692	<	if (ixDescending in Opts) then
693	<	DescFields := Fields;
694	<	if ixPrimary in Opts then
695	<	FPrimaryIndexFields := Fields;
696	<	end;
697	<	end;
698	<	finally
699	<	Query.Free;
700	<	Database.InternalTransaction.Commit;
701	<	end;
702	<	end;
703	<	end;
704	<
705	<	function TIBTable.GetExists: Boolean;
706	<	var
707	<	Query: TIBSQL;
708	<	begin
709	<	Result := Active;
710	<	if Result or (TableName = '') then Exit;
711	<	Database.InternalTransaction.StartTransaction;
712	<	Query := TIBSQL.Create(self);
713	<	try
714	<	Query.Database := DataBase;
715	<	Query.Transaction := Database.InternalTransaction;
716	<	Query.SQL.Text :=
717	<	'Select USER from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
718	<	'''' +
719	<	FormatIdentifierValue(Database.SQLDialect, FTableName) + '''';
720	<	Query.Prepare;
721	<	Query.ExecQuery;
722	<	Result := not Query.EOF;
723	<	finally
724	<	Query.Free;
725	<	Database.InternalTransaction.Commit;
726	<	end;
727	<	end;
728	<
729	<	procedure TIBTable.GotoCurrent(Table: TIBTable);
730	<	begin
731	<	CheckBrowseMode;
732	<	Table.CheckBrowseMode;
733	<	if (Database <> Table.Database) or
734	<	(CompareText(TableName, Table.TableName) <> 0) then
735	<	IBError(ibxeTableNameMismatch, [nil]);
736	<	Table.UpdateCursorPos;
737	<	InternalGotoDBKey(Table.CurrentDBKey);
738	<	DoBeforeScroll;
739	<	Resync([rmExact, rmCenter]);
740	<	DoAfterScroll;
741	<	end;
742	<
743	<
744	<	procedure TIBTable.CreateTable;
745	<	var
746	<	FieldList: string;
747	<
748	<	procedure InitFieldsList;
749	<	var
750	<	I: Integer;
751	<	begin
752	<	InitFieldDefsFromFields;
753	<	for I := 0 to FieldDefs.Count - 1 do begin
754	<	if ( I > 0) then
755	<	FieldList := FieldList + ', ';
756	<	with FieldDefs[I] do
757	<	begin
758	<	case DataType of
759	<	ftString:
760	<	FieldList := FieldList +
761	<	FormatIdentifier(Database.SQLDialect, Name) +
762	<	' VARCHAR(' + IntToStr(Size) + ')'; {do not localize}
763	<	ftFixedChar:
764	<	FieldList := FieldList +
765	<	FormatIdentifier(Database.SQLDialect, Name) +
766	<	' CHAR(' + IntToStr(Size) + ')'; {do not localize}
767	<	ftBoolean, ftSmallint, ftWord:
768	<	FieldList := FieldList +
769	<	FormatIdentifier(Database.SQLDialect, Name) +
770	<	' SMALLINT'; {do not localize}
771	<	ftInteger:
772	<	FieldList := FieldList +
773	<	FormatIdentifier(Database.SQLDialect, Name) +
774	<	' INTEGER'; {do not localize}
775	<	ftFloat, ftCurrency:
776	<	FieldList := FieldList +
777	<	FormatIdentifier(Database.SQLDialect, Name) +
778	<	' DOUBLE PRECISION'; {do not localize}
779	<	ftBCD: begin
780	<	if (Database.SQLDialect = 1) then begin
781	<	if (Precision > 9) then
782	<	IBError(ibxeFieldUnsupportedType,[nil]);
783	<	if (Precision <= 4) then
784	<	Precision := 9;
785	<	end;
786	<	if (Precision <= 4 ) then
787	<	FieldList := FieldList +
788	<	FormatIdentifier(Database.SQLDialect, Name) +
789	<	' Numeric(18, 4)' {do not localize}
790	<	else
791	<	FieldList := FieldList +
792	<	FormatIdentifier(Database.SQLDialect, Name) +
793	<	' Numeric(' + IntToStr(Precision) + ', 4)'; {do not localize}
794	<	end;
795	<	ftDate:
796	<	FieldList := FieldList +
797	<	FormatIdentifier(Database.SQLDialect, Name) +
798	<	' DATE'; {do not localize}
799	<	ftTime:
800	<	FieldList := FieldList +
801	<	FormatIdentifier(Database.SQLDialect, Name) +
802	<	' TIME'; {do not localize}
803	<	ftDateTime:
804	<	if (Database.SQLDialect = 1) then
805	<	FieldList := FieldList +
806	<	FormatIdentifier(Database.SQLDialect, Name) +
807	<	' DATE' {do not localize}
808	<	else
809	<	FieldList := FieldList +
810	<	FormatIdentifier(Database.SQLDialect, Name) +
811	<	' TIMESTAMP'; {do not localize}
812	<	ftLargeInt:
813	<	if (Database.SQLDialect = 1) then
814	<	IBError(ibxeFieldUnsupportedType,[nil])
815	<	else
816	<	FieldList := FieldList +
817	<	FormatIdentifier(Database.SQLDialect, Name) +
818	<	' Numeric(18, 0)'; {do not localize}
819	<	ftBlob, ftMemo:
820	<	FieldList := FieldList +
821	<	FormatIdentifier(Database.SQLDialect, Name) +
822	<	' BLOB SUB_TYPE 1'; {do not localize}
823	<	ftBytes, ftVarBytes, ftGraphic..ftTypedBinary:
824	<	FieldList := FieldList +
825	<	FormatIdentifier(Database.SQLDialect, Name) +
826	<	' BLOB SUB_TYPE 0'; {do not localize}
827	<	ftUnknown, ftADT, ftArray, ftReference, ftDataSet,
828	<	ftCursor, ftWideString, ftAutoInc:
829	<	IBError(ibxeFieldUnsupportedType,[nil]);
830	<	else
831	<	IBError(ibxeFieldUnsupportedType,[nil]);
832	<	end;
833	<	if faRequired in Attributes then
834	<	FieldList := FieldList + ' NOT NULL'; {do not localize}
835	<	end;
836	<	end;
837	<	end;
838	<
839	<	procedure InternalCreateTable;
840	<	var
841	<	I: Integer;
842	<	Query: TIBSQL;
843	<	begin
844	<	if (FieldList = '') then
845	<	IBError(ibxeFieldUnsupportedType,[nil]);
846	<	Query := TIBSQL.Create(self);
847	<	try
848	<	Query.Database := Database;
849	<	Query.transaction := Transaction;
850	<	Query.SQL.Text := 'Create Table ' +
851	<	FormatIdentifier(Database.SQLDialect, FTableName) +
852	<	' (' + FieldList; {do not localize}
853	<	for I := 0 to IndexDefs.Count - 1 do
854	<	with IndexDefs[I] do
855	<	if ixPrimary in Options then
856	<	begin
857	<	Query.SQL.Text := Query.SQL.Text + ', CONSTRAINT ' +
858	<	FormatIdentifier(Database.SQLDialect, Name) +
859	<	' Primary Key (' +
860	<	FormatFieldsList(Fields) +
861	<	')';
862	<	end;
863	<	Query.SQL.Text := Query.SQL.Text + ')';
864	<	Query.Prepare;
865	<	Query.ExecQuery;
866	<	finally
867	<	Query.Free;
868	<	end;
869	<	end;
870	<
871	<	procedure InternalCreateIndex;
872	<	var
873	<	I: Integer;
874	<	begin
875	<	for I := 0 to IndexDefs.Count - 1 do
876	<	with IndexDefs[I] do
877	<	if not (ixPrimary in Options) then
878	<	AddIndex(Name, Fields, Options);
879	<	end;
880	<
881	<	begin
882	<	CheckInactive;
883	<	InitFieldsList;
884	<	InternalCreateTable;
885	<	InternalCreateIndex;
886	<	end;
887	<
888	<	procedure TIBTable.DeleteTable;
889	<	var
890	<	Query: TIBSQL;
891	<	begin
892	<	CheckInactive;
893	<	Query := TIBSQL.Create(self);
894	<	try
895	<	Query.Database := DataBase;
896	<	Query.Transaction := Transaction;
897	<	Query.SQL.Text := 'drop table ' +  {do not localize}
898	<	FormatIdentifier(Database.SQLDialect, FTableName);
899	<	Query.Prepare;
900	<	Query.ExecQuery;
901	<	finally
902	<	Query.Free;
903	<	end;
904	<	end;
905	<
906	<	procedure TIBTable.EmptyTable;
907	<	var
908	<	Query: TIBSQL;
909	<	begin
910	<	if Active then
911	<	CheckBrowseMode;
912	<	Query := TIBSQL.Create(self);
913	<	try
914	<	Query.Database := DataBase;
915	<	Query.Transaction := Transaction;
916	<	Query.SQL.Text := 'delete from ' + {do not localize}
917	<	FormatIdentifier(Database.SQLDialect, FTableName);
918	<	Query.Prepare;
919	<	Query.ExecQuery;
920	<	if Active then
921	<	begin
922	<	ClearBuffers;
923	<	DataEvent(deDataSetChange, 0);
924	<	end;
925	<	finally
926	<	Query.Free;
927	<	end;
928	<	end;
929	<
930	<	procedure TIBTable.DataEvent(Event: TDataEvent; Info: Longint);
931	<	begin
932	<	if Event = dePropertyChange then begin
933	<	IndexDefs.Updated := False;
934	<	FRegenerateSQL := True;
935	<	end;
936	<	inherited DataEvent(Event, Info);
937	<	end;
938	<
939	<	{ Informational & Property }
940	<
941	<	function TIBTable.GetCanModify: Boolean;
942	<	begin
943	<	Result := True;
944	<	if (FTableName = '') or FReadOnly
945	<	or FSystemTable or FMultiTableView then
946	<	Result := False;
947	<	end;
948	<
949	<	function TIBTable.InternalGetUpdatable: Boolean;
950	<	var
951	<	Query : TIBSQL;
952	<	begin
953	<	Database.InternalTransaction.StartTransaction;
954	<	Query := TIBSQL.Create(self);
955	<	try
956	<	Query.Database := DataBase;
957	<	Query.Transaction := Database.InternalTransaction;
958	<	Query.SQL.Text := 'Select RDB$SYSTEM_FLAG, RDB$DBKEY_LENGTH ' + {do not localize}
959	<	'from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
960	<	'''' +
961	<	FormatIdentifierValue(Database.SQLDialect, FTableName) + '''';
962	<	Query.Prepare;
963	<	Query.ExecQuery;
964	<	if (Query.Current[0].AsInteger <> 0) or
965	<	(Query.Current[1].AsInteger <> 8) then
966	<	Result := False
967	<	else
968	<	Result := True;
969	<	finally
970	<	Query.Free;
971	<	Database.InternalTransaction.Commit;
972	<	end;
973	<	end;
974	<
975	<	function TIBTable.FieldDefsStored: Boolean;
976	<	begin
977	<	Result := StoreDefs and (FieldDefs.Count > 0);
978	<	end;
979	<
980	<	function TIBTable.IndexDefsStored: Boolean;
981	<	begin
982	<	Result := StoreDefs and (IndexDefs.Count > 0);
983	<	end;
984	<
985	<	procedure TIBTable.SetParams;
986	<	var
987	<	i: Integer;
988	<	begin
989	<	if (MasterSource = nil) or (MasterSource.DataSet = nil) or
990	<	(not MasterSource.DataSet.Active) or (FMasterFieldsList.Count = 0) then
991	<	exit;
992	<	for i := 0 to FMasterFieldsList.Count - 1 do
993	<	QSelect.Params.ByName(FMasterFieldsList.Strings[i]).Value :=
994	<	MasterSource.DataSet.FieldByName(FMasterFieldsList.Strings[i]).Value;
995	<	end;
996	<
997	<	procedure TIBTable.MasterChanged(Sender: TObject);
998	<	begin
999	<	CheckBrowseMode;
1000	<	SetParams;
1001	<	ReQuery;
1002	<	end;
1003	<
1004	<	procedure TIBTable.MasterDisabled(Sender: TObject);
1005	<	begin
1006	<	DataEvent(dePropertyChange, 0);
1007	<	ReQuery;
1008	<	end;
1009	<
1010	<	function TIBTable.GetDataSource: TDataSource;
1011	<	begin
1012	<	Result := FMasterLink.DataSource;
1013	<	end;
1014	<
1015	<	procedure TIBTable.SetDataSource(Value: TDataSource);
1016	<	begin
1017	<	if IsLinkedTo(Value) then IBError(ibxeCircularDataLink, [Self]);
1018	<	if FMasterLink.DataSource <> Value then
1019	<	DataEvent(dePropertyChange, 0);
1020	<	FMasterLink.DataSource := Value;
1021	<	end;
1022	<
1023	<	function TIBTable.GetMasterFields: string;
1024	<	begin
1025	<	Result := FMasterLink.FieldNames;
1026	<	end;
1027	<
1028	<	procedure TIBTable.SetMasterFields(const Value: string);
1029	<	begin
1030	<	if FMasterLink.FieldNames <> Value then
1031	<	DataEvent(dePropertyChange, 0);
1032	<	FMasterLink.FieldNames := Value;
1033	<	end;
1034	<
1035	<	procedure TIBTable.DoOnNewRecord;
1036	<	var
1037	<	I: Integer;
1038	<	begin
1039	<	if FMasterLink.Active and (FMasterLink.Fields.Count > 0) then
1040	<	for I := 0 to FMasterLink.Fields.Count - 1 do
1041	<	IndexFields[I] := TField(FMasterLink.Fields[I]);
1042	<	inherited DoOnNewRecord;
1043	<	end;
1044	<
1045	<	function TIBTable.FormatFieldsList(Value: String): String;
1046	<	var
1047	<	FieldName: string;
1048	<	i: Integer;
1049	<	begin
1050	<	if Database.SQLDialect = 1 then begin
1051	<	Value := FormatIdentifier(Database.SQLDialect, Value);
1052	<	Result := StringReplace (Value, ';', ', ', [rfReplaceAll]);
1053	<	end
1054	<	else begin
1055	<	i := 1;
1056	<	Result := '';
1057	<	while i <= Length(Value) do
1058	<	begin
1059	<	FieldName := ExtractFieldName(Value, i);
1060	<	if Result = '' then
1061	<	Result := FormatIdentifier(Database.SQLDialect, FieldName)
1062	<	else
1063	<	Result := Result + ', ' + FormatIdentifier(Database.SQLDialect, FieldName);
1064	<	end;
1065	<	end;
1066	<	end;
1067	<
1068	<	procedure TIBTable.ExtractLinkFields;
1069	<	var
1070	<	i: Integer;
1071	<	DetailFieldNames: String;
1072	<	begin
1073	<	FMasterFieldsList.Clear;
1074	<	FDetailFieldsList.Clear;
1075	<	i := 1;
1076	<	while i <= Length(MasterFields) do
1077	<	FMasterFieldsList.Add(ExtractFieldName(MasterFields, i));
1078	<	i := 1;
1079	<	if IndexFieldNames = '' then
1080	<	DetailFieldNames := FPrimaryIndexFields
1081	<	else
1082	<	DetailFieldNames := IndexFieldNames;
1083	<	while i <= Length(DetailFieldNames) do
1084	<	FDetailFieldsList.Add(ExtractFieldName(DetailFieldNames, i));
1085	<	end;
1086	<
1087	<	procedure TIBTable.GetDetailLinkFields(MasterFields, DetailFields: TList);
1088	<	var
1089	<	i: Integer;
1090	<	Idx: TIndexDef;
1091	<	begin
1092	<	MasterFields.Clear;
1093	<	DetailFields.Clear;
1094	<	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and
1095	<	(Self.MasterFields <> '') then
1096	<	begin
1097	<	Idx := nil;
1098	<	MasterSource.DataSet.GetFieldList(MasterFields, Self.MasterFields);
1099	<	UpdateIndexDefs;
1100	<	if IndexName <> '' then
1101	<	Idx := IndexDefs.Find(IndexName)
1102	<	else if IndexFieldNames <> '' then
1103	<	Idx := IndexDefs.GetIndexForFields(IndexFieldNames, False)
1104	<	else
1105	<	for i := 0 to IndexDefs.Count - 1 do
1106	<	if ixPrimary in IndexDefs[i].Options then
1107	<	begin
1108	<	Idx := IndexDefs[i];
1109	<	break;
1110	<	end;
1111	<	if Idx <> nil then
1112	<	GetFieldList(DetailFields, Idx.Fields);
1113	<	end;
1114	<	end;
1115	<
1116	<	procedure TIBTable.SetReadOnly(Value: Boolean);
1117	<	begin
1118	<	CheckInactive;
1119	<	FReadOnly := Value;
1120	<	end;
1121	<
1122	<	procedure TIBTable.SetTableName(Value: String);
1123	<	begin
1124	<	if not (csReading in ComponentState) then
1125	<	begin
1126	<	CheckInactive;
1127	<	if Value <> FTableName then
1128	<	begin
1129	<	ResetSQLStatements;
1130	<	FRegenerateSQL := True;
1131	<	FTableName := Value;
1132	<	IndexName := '';
1133	<	IndexFieldNames := '';
1134	<	FPrimaryIndexFields := '';
1135	<	DataEvent(dePropertyChange, 0);
1136	<	end;
1137	<	end
1138	<	else if Value <> FTableName then
1139	<	FTableName := Value;
1140	<	end;
1141	<
1142	<	function TIBTable.GetIndexField(Index: Integer): TField;
1143	<	var
1144	<	I, Count: Integer;
1145	<	FieldNames, FieldName: String;
1146	<	begin
1147	<	Result := nil;
1148	<	FieldName := '';
1149	<	FieldNames := IndexFieldNames;
1150	<	if FieldNames = '' then
1151	<	begin
1152	<	for I := 0 to IndexDefs.Count - 1 do
1153	<	if (IndexDefs[i].Name = FIndexName) then
1154	<	begin
1155	<	FieldNames := IndexDefs[i].Fields;
1156	<	break;
1157	<	end;
1158	<	end;
1159	<	for I := 0 to Index do
1160	<	begin
1161	<	Count := Pos(';', FieldNames); {mbcs OK}
1162	<	if Count = 0 then
1163	<	FieldName := FieldNames
1164	<	else begin
1165	<	FieldName := Copy(FieldNames, 0, Count - 1);
1166	<	System.Delete(FieldNames, 1, Count);
1167	<	end;
1168	<	end;
1169	<	if FieldName <> '' then
1170	<	Result := FieldByName(FieldName)
1171	<	else
1172	<	IBError(ibxeIndexFieldMissing, [nil]);
1173	<	end;
1174	<
1175	<
1176	<	procedure TIBTable.SetIndexField(Index: Integer; Value: TField);
1177	<	begin
1178	<	GetIndexField(Index).Assign(Value);
1179	<	end;
1180	<
1181	<	function TIBTable.GetIndexFieldCount: Integer;
1182	<	var
1183	<	I, Index: Integer;
1184	<	FieldNames: String;
1185	<	done: Boolean;
1186	<	begin
1187	<	FieldNames := IndexFieldNames;
1188	<	if FieldNames = '' then
1189	<	begin
1190	<	for I := 0 to IndexDefs.Count - 1 do
1191	<	if (IndexDefs[i].Name = FIndexName) then
1192	<	begin
1193	<	FieldNames := IndexDefs[i].Fields;
1194	<	break;
1195	<	end;
1196	<	end;
1197	<	if FieldNames = '' then
1198	<	Result := 0
1199	<	else
1200	<	begin
1201	<	done := False;
1202	<	Result := 1;
1203	<	while not done do
1204	<	begin
1205	<	Index := Pos(';', FieldNames); {mbcs ok}
1206	<	if Index <> 0 then
1207	<	begin
1208	<	System.Delete(FieldNames, 1, Index);
1209	<	Inc(Result);
1210	<	end else
1211	<	done := True;
1212	<	end;
1213	<	end;
1214	<	end;
1215	<
1216	<	function TIBTable.GetTableNames: TStrings;
1217	<	begin
1218	<	FNameList.clear;
1219	<	GetTableNamesFromServer;
1220	<	Result := FNameList;
1221	<	end;
1222	<
1223	<	procedure TIBTable.GetTableNamesFromServer;
1224	<	var
1225	<	Query : TIBSQL;
1226	<	begin
1227	<	if not (csReading in ComponentState) then begin
1228	<	ActivateConnection;
1229	<	Database.InternalTransaction.StartTransaction;
1230	<	Query := TIBSQL.Create(self);
1231	<	try
1232	<	Query.GoToFirstRecordOnExecute := False;
1233	<	Query.Database := DataBase;
1234	<	Query.Transaction := Database.InternalTransaction;
1235	<	if (TableTypes * [ttSystem, ttView] = [ttSystem, ttView]) then
1236	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' {do not localize}
1237	<	else if ttSystem in TableTypes then
1238	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1239	<	' where RDB$VIEW_BLR is NULL' {do not localize}
1240	<	else if ttView in TableTypes then
1241	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1242	<	' where RDB$SYSTEM_FLAG = 0' {do not localize}
1243	<	else
1244	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1245	<	' where RDB$VIEW_BLR is NULL and RDB$SYSTEM_FLAG = 0'; {do not localize}
1246	<	Query.Prepare;
1247	<	Query.ExecQuery;
1248	<	while (not Query.EOF) and (Query.Next <> nil) do
1249	<	FNameList.Add (TrimRight(Query.Current[0].AsString));
1250	<	finally
1251	<	Query.Free;
1252	<	Database.InternalTransaction.Commit;
1253	<	end;
1254	<	end;
1255	<	end;
1256	<
1257	<	procedure TIBTable.SwitchToIndex();
1258	<	begin
1259	<	FSwitchingIndex := True;
1260	<	InternalTableRefresh;
1261	<	FSwitchingIndex := False;
1262	<	end;
1263	<
1264	<	procedure TIBTable.InternalTableRefresh();
1265	<	var
1266	<	DBKey: TIBDBKey;
1267	<	begin
1268	<	CheckActive;
1269	<	DBKey := CurrentDBKey;
1270	<	FRegenerateSQL := True;
1271	<	Reopen;
1272	<	if DBKey.DBKey[0] <> 0 then
1273	<	InternalGotoDBKey(DBKey);
1274	<	end;
1275	<
1276	<	procedure TIBTable.GenerateSQL;
1277	<	var
1278	<	i: Integer;
1279	<	SQL: TStrings;
1280	<	OrderByStr: string;
1281	<	bWhereClausePresent: Boolean;
1282	<	begin
1283	<	bWhereClausePresent := False;
1284	<	Database.CheckActive;
1285	<	Transaction.CheckInTransaction;
1286	<	if IndexDefs.Updated = False then
1287	<	IndexDefs.Update;
1288	<	if IndexFieldNames <> '' then
1289	<	OrderByStr := FormatFieldsList(IndexFieldNames)
1290	<	else if IndexName <> '' then
1291	<	OrderByStr := FormatFieldsList(IndexDefs[IndexDefs.Indexof (IndexName)].Fields)
1292	<	else if FDefaultIndex and (FPrimaryIndexFields <> '') then
1293	<	OrderByStr := FormatFieldsList(FPrimaryIndexFields);
1294	<	SQL := TStringList.Create;
1295	<	SQL.Text := 'select ' + {do not localize}
1296	<	FormatIdentifier(Database.SQLDialect, FTableName) + '.*, '
1297	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1298	<	+ FormatIdentifier(Database.SQLDialect, FTableName);
1299	<	if Filtered and (Filter <> '') then
1300	<	begin
1301	<	SQL.Text := SQL.Text + ' where ' + Filter; {do not localize}
1302	<	bWhereClausePresent := True;
1303	<	end;
1304	<	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and (MasterFields <> '') then
1305	<	begin
1306	<	if bWhereClausePresent then
1307	<	SQL.Text := SQL.Text + ' AND ' {do not localize}
1308	<	else
1309	<	SQL.Text := SQL.Text + ' WHERE '; {do not localize}
1310	<	ExtractLinkfields;
1311	<	if FDetailFieldsList.Count < FMasterFieldsList.Count then
1312	<	IBError(ibxeUnknownError, [nil]);
1313	<	for i := 0 to FMasterFieldsList.Count - 1 do
1314	<	begin
1315	<	if i > 0 then
1316	<	SQL.Text := SQL.Text + 'AND ';
1317	<	SQL.Text := SQL.Text +
1318	<	FormatIdentifier(Database.SQLDialect, FDetailFieldsList.Strings[i]) +
1319	<	' = :' +
1320	<	FormatIdentifier(Database.SQLDialect, FMasterFieldsList.Strings[i]);
1321	<	end;
1322	<	end;
1323	<	if OrderByStr <> '' then
1324	<	SQL.Text := SQL.Text + ' order by ' + OrderByStr; {do not localize}
1325	<	SelectSQL.Assign(SQL);
1326	<	RefreshSQL.Text := 'select ' + {do not localize}
1327	<	FormatIdentifier(Database.SQLDialect, FTableName) + '.*, '
1328	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1329	<	+ FormatIdentifier(Database.SQLDialect, FTableName) +
1330	<	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1331	<	WhereDBKeyRefreshSQL.Assign(RefreshSQL);
1332	<	InternalPrepare;
1333	<	SQL.Free;
1334	<	end;
1335	<
1336	<	procedure TIBTable.GenerateUpdateSQL;
1337	<	var
1338	<	InsertFieldList, InsertParamList, UpdateFieldList: string;
1339	<	WherePrimaryFieldList, WhereAllFieldList: string;
1340	<
1341	<	procedure GenerateFieldLists;
1342	<	var
1343	<	I: Integer;
1344	<	begin
1345	<	for I := 0 to FieldDefs.Count - 1 do begin
1346	<	with FieldDefs[I] do begin
1347	<	if not (InternalCalcField or (faReadOnly in Attributes) or
1348	<	(DataType = ftUnknown)) then
1349	<	begin
1350	<	if ( InsertFieldList <> '' ) then begin
1351	<	InsertFieldList := InsertFieldList + ', ';
1352	<	InsertParamList := InsertParamList + ', ';
1353	<	UpdateFieldList := UpdateFieldList + ', ';
1354	<	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1355	<	WhereAllFieldList := WhereAllFieldList + ' AND ';
1356	<	end;
1357	<	InsertFieldList := InsertFieldList +
1358	<	FormatIdentifier(Database.SQLDialect, Name);
1359	<	InsertParamList := InsertParamList + ':' +
1360	<	FormatIdentifier(Database.SQLDialect, Name);
1361	<	UpdateFieldList := UpdateFieldList +
1362	<	FormatIdentifier(Database.SQLDialect, Name) +
1363	<	' = :' +
1364	<	FormatIdentifier(Database.SQLDialect, Name);
1365	<	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1366	<	WhereAllFieldList := WhereAllFieldList +
1367	<	FormatIdentifier(Database.SQLDialect, Name) + ' = :' +
1368	<	FormatIdentifier(Database.SQLDialect, Name);{do not localize}
1369	<	end;
1370	<	end;
1371	<	end;
1372	<	end;
1373	<
1374	<	procedure GenerateWherePrimaryFieldList;
1375	<	var
1376	<	i: Integer;
1377	<	tmp: String;
1378	<	begin
1379	<	i := 1;
1380	<	while i <= Length(FPrimaryIndexFields) do
1381	<	begin
1382	<	tmp := ExtractFieldName(FPrimaryIndexFields, i);
1383	<	tmp :=
1384	<	FormatIdentifier(Database.SQLDialect, tmp) +  ' = :' +
1385	<	FormatIdentifier(Database.SQLDialect, tmp);{do not localize}
1386	<	if WherePrimaryFieldList <> '' then
1387	<	WherePrimaryFieldList :=
1388	<	WherePrimaryFieldList + ' AND ' + tmp
1389	<	else
1390	<	WherePrimaryFieldList := tmp;
1391	<	end;
1392	<	end;
1393	<
1394	<	begin
1395	<	if InternalGetUpdatable = False  then
1396	<	FReadOnly := True
1397	<	else
1398	<	begin
1399	<	DeleteSQL.Text := 'delete from ' + {do not localize}
1400	<	FormatIdentifier(Database.SQLDialect, FTableName) +
1401	<	' where RDB$DB_KEY = ' + ':IBX_INTERNAL_DBKEY'; {do not localize}
1402	<	GenerateFieldLists;
1403	<	InsertSQL.Text := 'insert into ' + {do not localize}
1404	<	FormatIdentifier(Database.SQLDialect, FTableName) +
1405	<	' (' + InsertFieldList + {do not localize}
1406	<	') values (' + InsertParamList + ')'; {do not localize}
1407	<	ModifySQL.Text := 'update ' +
1408	<	FormatIdentifier(Database.SQLDialect, FTableName) +
1409	<	' set ' + UpdateFieldList + {do not localize}
1410	<	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1411	<	WhereAllRefreshSQL.Text := 'select ' +  {do not localize}
1412	<	FormatIdentifier(Database.SQLDialect, FTableName) + '.*, '
1413	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1414	<	+ FormatIdentifier(Database.SQLDialect, FTableName) +
1415	<	' where ' + WhereAllFieldList; {do not localize}
1416	<	if FPrimaryIndexFields <> '' then
1417	<	begin
1418	<	GenerateWherePrimaryFieldList;
1419	<	WherePrimaryRefreshSQL.Text := 'select ' + {do not localize}
1420	<	FormatIdentifier(Database.SQLDialect, FTableName) + '.*, ' {do not localize}
1421	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1422	<	+ FormatIdentifier(Database.SQLDialect, FTableName) +
1423	<	' where ' + WherePrimaryFieldList; {do not localize}
1424	<	end;
1425	<	try
1426	<	InternalPrepare;
1427	<	except
1428	<	FReadonly := True;
1429	<	end;
1430	<	end;
1431	<	end;
1432	<
1433	<	procedure TIBTable.ResetSQLStatements;
1434	<	begin
1435	<	SelectSQL.Text := '';
1436	<	DeleteSQL.Text := '';
1437	<	InsertSQL.Text := '';
1438	<	ModifySQL.Text := '';
1439	<	RefreshSQL.Text := '';
1440	<	end;
1441	<
1442	<	procedure TIBTable.SetTableTypes(
1443	<	const Value: TIBTableTypes);
1444	<	begin
1445	<	FTableTypes := Value;
1446	<	end;
1447	<
1448	<	function TIBTable.InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
1449	<
1450	<	function DBKeyCompare (DBKey1, DBKey2: TIBDBKey): Boolean;
1451	<	var
1452	<	I: Integer;
1453	<	begin
1454	<	for I := 0 to 7 do
1455	<	if (DBKey1.DBKey[i] <> DBKey2.DBKey[i]) then begin
1456	<	result := False;
1457	<	exit;
1458	<	end;
1459	<	result := True;
1460	<	end;
1461	<	begin
1462	<	CheckActive;
1463	<	DisableControls;
1464	<	try
1465	<	result := False;
1466	<	First;
1467	<	while ((not result) and (not EOF)) do begin
1468	<	if (DBKeyCompare (DBKey, PRecordData(GetActiveBuf)^.rdDBKey)) then
1469	<	result := True
1470	<	else
1471	<	Next;
1472	<	end;
1473	<	if not result then
1474	<	First
1475	<	else
1476	<	CursorPosChanged;
1477	<	finally
1478	<	EnableControls;
1479	<	end;
1480	<	end;
1481	<
1482	<	function TIBTable.GetCurrentDBKey: TIBDBKey;
1483	<	var
1484	<	Buf: pChar;
1485	<	begin
1486	<	CheckActive;
1487	<	buf := GetActiveBuf;
1488	<	if Buf <> nil then
1489	<	Result := PRecordData(Buf)^.rdDBKey
1490	<	else
1491	<	Result.DBKey[0] := 0;
1492	<	end;
1493	<
1494	<	procedure TIBTable.Reopen;
1495	<	begin
1496	<	DisableControls;
1497	<	try
1498	<	if Active then
1499	<	begin
1500	<	SetState(dsInactive);
1501	<	CloseCursor;
1502	<	OpenCursor;
1503	<	SetState(dsBrowse);
1504	<	end;
1505	<	finally
1506	<	EnableControls;
1507	<	end;
1508	<	end;
1509	<
1510	<	{ TIBTable IProviderSupport }
1511	<
1512	<	function TIBTable.PSGetDefaultOrder: TIndexDef;
1513	<
1514	<	function GetIdx(IdxType: TIndexOption): TIndexDef;
1515	<	var
1516	<	i: Integer;
1517	<	begin
1518	<	Result := nil;
1519	<	for i := 0 to IndexDefs.Count - 1 do
1520	<	if IdxType in IndexDefs[i].Options then
1521	<	try
1522	<	Result := IndexDefs[i];
1523	<	GetFieldList(nil, Result.Fields);
1524	<	break;
1525	<	except
1526	<	Result := nil;
1527	<	end;
1528	<	end;
1529	<
1530	<	var
1531	<	DefIdx: TIndexDef;
1532	<	begin
1533	<	DefIdx := nil;
1534	<	IndexDefs.Update;
1535	<	try
1536	<	if IndexName <> '' then
1537	<	DefIdx := IndexDefs.Find(IndexName)
1538	<	else if IndexFieldNames <> '' then
1539	<	DefIdx := IndexDefs.FindIndexForFields(IndexFieldNames);
1540	<	if Assigned(DefIdx) then
1541	<	GetFieldList(nil, DefIdx.Fields);
1542	<	except
1543	<	DefIdx := nil;
1544	<	end;
1545	<	if not Assigned(DefIdx) then
1546	<	DefIdx := GetIdx(ixPrimary);
1547	<	if not Assigned(DefIdx) then
1548	<	DefIdx := GetIdx(ixUnique);
1549	<	if Assigned(DefIdx) then
1550	<	begin
1551	<	Result := TIndexDef.Create(nil);
1552	<	Result.Assign(DefIdx);
1553	<	end else
1554	<	Result := nil;
1555	<	end;
1556	<
1557	<	function TIBTable.PSGetIndexDefs(IndexTypes: TIndexOptions): TIndexDefs;
1558	<	begin
1559	<	Result := GetIndexDefs(IndexDefs, IndexTypes);
1560	<	end;
1561	<
1562	<	function TIBTable.PSGeTTableName: string;
1563	<	begin
1564	<	Result := FTableName;
1565	<	end;
1566	<
1567	<	procedure TIBTable.PSSetParams(AParams: TParams);
1568	<	begin
1569	<	if AParams.Count > 0 then
1570	<	Open;
1571	<	PSReset;
1572	<	end;
1573	<
1574	<	procedure TIBTable.PSSetCommandText(const CommandText: string);
1575	<	begin
1576	<	if CommandText <> '' then
1577	<	TableName := CommandText;
1578	<	end;
1579	<
1580	<	function TIBTable.PSGetKeyFields: string;
1581	<	var
1582	<	i, Idx: Integer;
1583	<	IndexFound: Boolean;
1584	<	begin
1585	<	Result := inherited PSGetKeyFields;
1586	<	if Result = '' then
1587	<	begin
1588	<	if not Exists then Exit;
1589	<	IndexFound := False;
1590	<	IndexDefs.Update;
1591	<	FieldDefs.Update;
1592	<	for i := 0 to IndexDefs.Count - 1 do
1593	<	if ixUnique in IndexDefs[I].Options then
1594	<	begin
1595	<	Idx := 1;
1596	<	Result := IndexDefs[I].Fields;
1597	<	IndexFound := False;
1598	<	while Idx <= Length(Result) do
1599	<	begin
1600	<	IndexFound := FindField(ExtractFieldName(Result, Idx)) <> nil;
1601	<	if not IndexFound then Break;
1602	<	end;
1603	<	if IndexFound then Break;
1604	<	end;
1605	<	if not IndexFound then
1606	<	Result := '';
1607	<	end;
1608	<	end;
1609	<
1610	<	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                                                 }
31	>	{                                                                        }
32	>	{************************************************************************}
33	>
34	>	unit IBTable;
35	>
36	>	{$Mode Delphi}
37	>
38	>	interface
39	>
40	>	uses SysUtils, Classes, DB, IB,  IBCustomDataSet,
41	>	IBHeader, 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 Active;
151	>	property BufferChunks;
152	>	property CachedUpdates;
153	>	//    property Constraints stored ConstraintsStored;
154	>	property DefaultIndex: Boolean read FDefaultIndex write FDefaultIndex default True;
155	>	property FieldDefs stored FieldDefsStored;
156	>	property Filter;
157	>	property Filtered;
158	>	property IndexDefs: TIndexDefs read FIndexDefs write SetIndexDefs stored IndexDefsStored;
159	>	property IndexFieldNames: string read GetIndexFieldNames write SetIndexFieldNames;
160	>	property IndexName: string read GetIndexName write SetIndexName;
161	>	property MasterFields: string read GetMasterFields write SetMasterFields;
162	>	property MasterSource: TDataSource read GetDataSource write SetDataSource;
163	>	property ReadOnly: Boolean read FReadOnly write SetReadOnly default False;
164	>	property StoreDefs: Boolean read FStoreDefs write FStoreDefs default False;
165	>	property TableName: String read FTableName write SetTableName;
166	>	property TableTypes: TIBTableTypes read FTableTypes write SetTableTypes default [];
167	>	property UpdateObject;
168	>	property UniDirectional;
169	>
170	>	property BeforeDatabaseDisconnect;
171	>	property AfterDatabaseDisconnect;
172	>	property DatabaseFree;
173	>	property BeforeTransactionEnd;
174	>	property AfterTransactionEnd;
175	>	property TransactionFree;
176	>	property OnFilterRecord;
177	>	end;
178	>
179	>	implementation
180	>
181	>	{ TIBTable }
182	>
183	>	constructor TIBTable.Create(AOwner: TComponent);
184	>	begin
185	>	inherited Create(AOwner);
186	>	FNameList := TStringList.Create;
187	>	FSwitchingIndex := False;
188	>	FIndexDefs := TIndexDefs.Create(Self);
189	>	WhereAllRefreshSQL := TStringList.Create;
190	>	WhereDBKeyRefreshSQL := TStringList.Create;
191	>	WherePrimaryRefreshSQL := TStringList.Create;
192	>	FDefaultIndex := True;
193	>	FRegenerateSQL := True;
194	>	FMasterFieldsList := TStringList.Create;
195	>	FDetailFieldsList := TStringList.Create;
196	>	FMasterLink := TMasterDataLink.Create(Self);
197	>	FMasterLink.OnMasterChange := MasterChanged;
198	>	FMasterLink.OnMasterDisable := MasterDisabled;
199	>	QRefresh.OnSQLChanging := nil;
200	>	QDelete.OnSQLChanging := nil;
201	>	QInsert.OnSQLChanging := nil;
202	>	QModify.OnSQLChanging := nil;
203	>	end;
204	>
205	>	destructor TIBTable.Destroy;
206	>	begin
207	>	FNameList.Free;
208	>	FIndexDefs.Free;
209	>	FMasterFieldsList.Free;
210	>	FDetailFieldsList.Free;
211	>	FMasterLink.Free;
212	>	WhereAllRefreshSQL.Free;
213	>	WhereDBKeyRefreshSQL.Free;
214	>	WherePrimaryRefreshSQL.Free;
215	>	inherited Destroy;
216	>	end;
217	>
218	>	procedure TIBTable.InternalClose;
219	>	begin
220	>	DataEvent(dePropertyChange, 0);
221	>	inherited InternalClose;
222	>	end;
223	>
224	>	procedure TIBTable.InternalOpen;
225	>	begin
226	>	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
227	>	ActivateConnection;
228	>	ActivateTransaction;
229	>	if FRegenerateSQL then
230	>	begin
231	>	InternalUnprepare;
232	>	GenerateSQL;
233	>	if not FReadOnly then
234	>	GenerateUpdateSQL;
235	>	FRegenerateSQL := False;
236	>	end;
237	>	{  writeln(SelectSQL.Text);
238	>	writeln(InsertSQL.Text);
239	>	writeln(DeleteSQL.Text);
240	>	writeln(ModifySQL.Text); }
241	>	SetParams;
242	>	inherited InternalOpen;
243	>	end;
244	>
245	>	procedure TIBTable.InternalRefresh;
246	>	var
247	>	DBKey: TIBDBKey;
248	>	begin
249	>	DBKey := CurrentDBKey;
250	>	Reopen;
251	>	if DBKey.DBKey[0] <> 0 then
252	>	InternalGotoDBKey(DBKey);
253	>	end;
254	>
255	>	procedure TIBTable.SetFiltered(Value: Boolean);
256	>	begin
257	>	if(Filtered <> Value) then
258	>	begin
259	>	inherited SetFiltered(value);
260	>	if Active then
261	>	InternalTableRefresh;
262	>	end
263	>	else
264	>	inherited SetFiltered(value);
265	>	end;
266	>
267	>	procedure TIBTable.SetFilterText(const Value: string);
268	>	begin
269	>	if Filtered and (Value <> Filter) then
270	>	begin
271	>	inherited SetFilterText(value);
272	>	InternalTableRefresh;
273	>	end
274	>	else
275	>	inherited SetFilterText(value);
276	>	end;
277	>
278	>	procedure TIBTable.SetFilterOptions(Value: TFilterOptions);
279	>	begin
280	>	if Value <> [] then
281	>	IBError(ibxeNotSupported, [nil]);
282	>	end;
283	>
284	>	procedure TIBTable.InternalRefreshRow;
285	>	begin
286	>	if CurrentDBKey.DBKey[0] <> 0 then
287	>	QRefresh.SQL.Assign(WhereDBKeyRefreshSQL)
288	>	else if WherePrimaryRefreshSQL.Text <> '' then
289	>	QRefresh.SQL.Assign(WherePrimaryRefreshSQL)
290	>	else
291	>	QRefresh.SQL.Assign(WhereAllRefreshSQL);
292	>	inherited InternalRefreshRow;
293	>	end;
294	>
295	>	procedure TIBTable.DefChanged(Sender: TObject);
296	>	begin
297	>	StoreDefs := True;
298	>	end;
299	>
300	>	procedure TIBTable.InitFieldDefs;
301	>	var
302	>	DidActivate: Boolean;
303	>	Query: TIBSQL;
304	>	begin
305	>	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
306	>	if (InternalPrepared) then
307	>	InternalInitFieldDefs
308	>	else
309	>	begin
310	>	{Get the field defs from a simple query on the table}
311	>	ActivateConnection;
312	>	Query := TIBSQL.Create(self);
313	>	try
314	>	Query.Database := DataBase;
315	>	Query.Transaction := Database.InternalTransaction;
316	>	DidActivate := false;
317	>	Query.SQL.Text := 'Select * from ' + QuoteIdentifier(DataBase.SQLDialect, FTableName);
318	>	with Query.Transaction do
319	>	begin
320	>	if not InTransaction then
321	>	begin
322	>	StartTransaction;
323	>	DidActivate := true
324	>	end;
325	>	end;
326	>	Query.Prepare;
327	>	if DidActivate then
328	>	Query.Transaction.Rollback;
329	>	FieldDefsFromQuery(Query);
330	>	finally
331	>	Query.Free;
332	>	end;
333	>	end;
334	>	end;
335	>
336	>	{ Index / Ranges / Keys }
337	>
338	>	procedure TIBTable.AddIndex(const Name, Fields: string; Options: TIndexOptions;
339	>	const DescFields: string);
340	>	var
341	>	Query: TIBSQL;
342	>	FieldList: string;
343	>	begin
344	>	FieldDefs.Update;
345	>	if Active then begin
346	>	CheckBrowseMode;
347	>	CursorPosChanged;
348	>	end;
349	>	Query := TIBSQL.Create(self);
350	>	try
351	>	Query.Database := DataBase;
352	>	Query.Transaction := Transaction;
353	>	FieldList := FormatFieldsList(Fields);
354	>	if (ixPrimary in Options) then
355	>	begin
356	>	Query.SQL.Text := 'Alter Table ' + {do not localize}
357	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
358	>	' Add CONSTRAINT ' +   {do not localize}
359	>	QuoteIdentifier(Database.SQLDialect, Name)
360	>	+ ' Primary Key (' + {do not localize}
361	>	FormatFieldsList(Fields) +
362	>	')';
363	>	end
364	>	else if ([ixUnique, ixDescending] * Options = [ixUnique, ixDescending]) then
365	>	Query.SQL.Text := 'Create unique Descending Index ' + {do not localize}
366	>	QuoteIdentifier(Database.SQLDialect, Name) +
367	>	' on ' + {do not localize}
368	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
369	>	' (' + FieldList + ')'
370	>	else if (ixUnique in Options) then
371	>	Query.SQL.Text := 'Create unique Index ' + {do not localize}
372	>	QuoteIdentifier(Database.SQLDialect, Name) +
373	>	' on ' + {do not localize}
374	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
375	>	' (' + FieldList + ')'
376	>	else if (ixDescending in Options) then
377	>	Query.SQL.Text := 'Create Descending Index ' + {do not localize}
378	>	QuoteIdentifier(Database.SQLDialect, Name) +
379	>	' on ' + {do not localize}
380	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
381	>	' (' + FieldList + ')'
382	>	else
383	>	Query.SQL.Text := 'Create Index ' + {do not localize}
384	>	QuoteIdentifier(Database.SQLDialect, Name) +
385	>	' on ' + {do not localize}
386	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
387	>	' (' + FieldList + ')';
388	>	Query.Prepare;
389	>	Query.ExecQuery;
390	>	IndexDefs.Updated := False;
391	>	finally
392	>	Query.free
393	>	end;
394	>	end;
395	>
396	>	procedure TIBTable.DeleteIndex(const Name: string);
397	>	var
398	>	Query: TIBSQL;
399	>
400	>	procedure DeleteByIndex;
401	>	begin
402	>	Query := TIBSQL.Create(self);
403	>	try
404	>	Query.Database := DataBase;
405	>	Query.Transaction := Transaction;
406	>	Query.SQL.Text := 'Drop index ' +  {do not localize}
407	>	QuoteIdentifier(Database.SQLDialect, Name);
408	>	Query.Prepare;
409	>	Query.ExecQuery;
410	>	IndexDefs.Updated := False;
411	>	finally
412	>	Query.Free;
413	>	end;
414	>	end;
415	>
416	>	function DeleteByConstraint: Boolean;
417	>	begin
418	>	Result := False;
419	>	Query := TIBSQL.Create(self);
420	>	try
421	>	Query.Database := DataBase;
422	>	Query.Transaction := Transaction;
423	>	Query.SQL.Text := 'Select ''foo'' from RDB$RELATION_CONSTRAINTS ' +
424	>	'where RDB$RELATION_NAME = ' +
425	>	'''' +
426	>	FormatIdentifierValue(Database.SQLDialect,
427	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
428	>	''' ' +
429	>	' AND RDB$CONSTRAINT_NAME = ' +
430	>	'''' +
431	>	FormatIdentifierValue(Database.SQLDialect,
432	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
433	>	''' ' +
434	>	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
435	>	Query.Prepare;
436	>	Query.ExecQuery;
437	>	if not Query.EOF then
438	>	begin
439	>	Query.Close;
440	>	Query.SQL.Text := 'Alter Table ' +  {do not localize}
441	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
442	>	' Drop Constraint ' +
443	>	QuoteIdentifier(DataBase.SQLDialect, Name);
444	>	Query.Prepare;
445	>	Query.ExecQuery;
446	>	IndexDefs.Updated := False;
447	>	Result := True;
448	>	end;
449	>	finally
450	>	Query.Free;
451	>	end;
452	>	end;
453	>
454	>	procedure DeleteByKey;
455	>	begin
456	>	Query := TIBSQL.Create(self);
457	>	try
458	>	Query.Database := DataBase;
459	>	Query.Transaction := Transaction;
460	>	Query.SQL.Text := 'Select RDB$CONSTRAINT_NAME from RDB$RELATION_CONSTRAINTS ' +
461	>	'where RDB$RELATION_NAME = ' +
462	>	'''' +
463	>	FormatIdentifierValue(Database.SQLDialect,
464	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
465	>	''' ' +
466	>	'AND RDB$INDEX_NAME = ' +
467	>	'''' +
468	>	FormatIdentifierValue(Database.SQLDialect,
469	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
470	>	''' ' +
471	>	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
472	>	Query.Prepare;
473	>	Query.ExecQuery;
474	>	if not Query.EOF then
475	>	begin
476	>	Query.Close;
477	>	Query.SQL.Text := 'Alter Table ' +  {do not localize}
478	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
479	>	' Drop Constraint ' +
480	>	QuoteIdentifier(DataBase.SQLDialect, Query.Current.ByName('RDB$CONSTRAINT_NAME').AsString);
481	>	Query.Prepare;
482	>	Query.ExecQuery;
483	>	IndexDefs.Updated := False;
484	>	end;
485	>	finally
486	>	Query.Free;
487	>	end;
488	>	end;
489	>
490	>	begin
491	>	if Active then
492	>	CheckBrowseMode;
493	>	IndexDefs.Update;
494	>	if (Pos('RDB$PRIMARY', Name) <> 0 ) then {do not localize} {mbcs ok}
495	>	DeleteByKey
496	>	else if not DeleteByConstraint then
497	>	DeleteByIndex;
498	>	end;
499	>
500	>	function TIBTable.GetIndexFieldNames: string;
501	>	begin
502	>	if FFieldsIndex then Result := FIndexName else Result := '';
503	>	end;
504	>
505	>	function TIBTable.GetIndexName: string;
506	>	begin
507	>	if FFieldsIndex then Result := '' else Result := FIndexName;
508	>	end;
509	>
510	>	procedure TIBTable.GetIndexNames(List: TStrings);
511	>	begin
512	>	IndexDefs.Update;
513	>	IndexDefs.GetItemNames(List);
514	>	end;
515	>
516	>	procedure TIBTable.GetIndexParams(const IndexName: string;
517	>	FieldsIndex: Boolean; var IndexedName: string);
518	>	var
519	>	IndexStr: TIndexName;
520	>	begin
521	>	if IndexName <> '' then
522	>	begin
523	>	IndexDefs.Update;
524	>	IndexStr := IndexName;
525	>	if FieldsIndex then
526	>	IndexStr := IndexDefs.FindIndexForFields(IndexName).Name;
527	>	end;
528	>	IndexedName := IndexStr;
529	>	end;
530	>
531	>	procedure TIBTable.SetIndexDefs(Value: TIndexDefs);
532	>	begin
533	>	IndexDefs.Assign(Value);
534	>	end;
535	>
536	>	procedure TIBTable.SetIndex(const Value: string; FieldsIndex: Boolean);
537	>	begin
538	>	if Active then CheckBrowseMode;
539	>	if (FIndexName <> Value) or (FFieldsIndex <> FieldsIndex) then
540	>	begin
541	>	FIndexName := Value;
542	>	FFieldsIndex := FieldsIndex;
543	>	if Active then
544	>	begin
545	>	SwitchToIndex;
546	>	end;
547	>	end;
548	>	end;
549	>
550	>	procedure TIBTable.SetIndexFieldNames(const Value: string);
551	>	begin
552	>	SetIndex(Value, Value <> '');
553	>	end;
554	>
555	>	procedure TIBTable.SetIndexName(const Value: string);
556	>	begin
557	>	SetIndex(Value, False);
558	>	end;
559	>
560	>	procedure TIBTable.UpdateIndexDefs;
561	>	var
562	>	Opts: TIndexOptions;
563	>	Flds: string;
564	>	Query, SubQuery: TIBSQL;
565	>	fn: string;
566	>	aField: TFieldDef;
567	>	begin
568	>	if not (csReading in ComponentState) then begin
569	>	if not Active and not FSwitchingIndex  then
570	>	FieldDefs.Update;
571	>	IndexDefs.Clear;
572	>	Database.InternalTransaction.StartTransaction;
573	>	Query := TIBSQL.Create(self);
574	>	try
575	>	FPrimaryIndexFields := '';
576	>	Query.GoToFirstRecordOnExecute := False;
577	>	Query.Database := DataBase;
578	>	Query.Transaction := Database.InternalTransaction;
579	>	Query.SQL.Text :=
580	>	'Select I.RDB$INDEX_NAME, I.RDB$UNIQUE_FLAG, I.RDB$INDEX_TYPE, ' + {do not localize}
581	>	'I.RDB$SEGMENT_COUNT, S.RDB$FIELD_NAME from RDB$INDICES I, ' + {do not localize}
582	>	'RDB$INDEX_SEGMENTS S where I.RDB$INDEX_NAME = S.RDB$INDEX_NAME '+ {do not localize}
583	>	'and I.RDB$RELATION_NAME = ' + '''' + {do not localize}
584	>	FormatIdentifierValue(Database.SQLDialect,
585	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
586	>	Query.Prepare;
587	>	Query.ExecQuery;
588	>	while (not Query.EOF) and (Query.Next <> nil) do
589	>	begin
590	>	with IndexDefs.AddIndexDef do
591	>	begin
592	>	Name := TrimRight(Query.Current.ByName('RDB$INDEX_NAME').AsString); {do not localize}
593	>	Opts := [];
594	>	if Pos ('RDB$PRIMARY', Name) = 1 then Include(Opts, ixPrimary); {do not localize} {mbcs ok}
595	>	if Query.Current.ByName('RDB$UNIQUE_FLAG').AsInteger = 1 then Include(Opts, ixUnique); {do not localize}
596	>	if Query.Current.ByName('RDB$INDEX_TYPE').AsInteger = 2  then Include(Opts, ixDescending); {do not localize}
597	>	Options := Opts;
598	>	if (Query.Current.ByName('RDB$SEGMENT_COUNT').AsInteger = 1) then {do not localize}
599	>	begin
600	>	fn := Trim(Query.Current.ByName('RDB$FIELD_NAME').AsString); {do not localize}
601	>	aField := GetFieldDefFromAlias(fn);
602	>	if assigned(aField) then
603	>	Fields := aField.Name
604	>	else
605	>	Fields := fn;
606	>	end
607	>	else begin
608	>	SubQuery := TIBSQL.Create(self);
609	>	try
610	>	SubQuery.GoToFirstRecordOnExecute := False;
611	>	SubQuery.Database := DataBase;
612	>	SubQuery.Transaction := Database.InternalTransaction;
613	>	SubQuery.SQL.Text :=
614	>	'Select RDB$FIELD_NAME from RDB$INDEX_SEGMENTS where RDB$INDEX_NAME = ' + {do not localize}
615	>	'''' +
616	>	FormatIdentifierValue(Database.SQLDialect,
617	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
618	>	'''' + 'ORDER BY RDB$FIELD_POSITION'; {do not localize}
619	>	SubQuery.Prepare;
620	>	SubQuery.ExecQuery;
621	>	Flds := '';
622	>	while (not SubQuery.EOF) and (SubQuery.Next <> nil) do
623	>	begin
624	>	fn := TrimRight(SubQuery.Current.ByName('RDB$FIELD_NAME').AsString); {do not localize}
625	>	aField := GetFieldDefFromAlias(fn);
626	>	if assigned(aField) then
627	>	fn := aField.Name;
628	>	if (Flds = '') then
629	>	Flds := fn
630	>	else begin
631	>	Query.Next;
632	>	Flds := Flds + ';' + fn;
633	>	end;
634	>	end;
635	>	Fields := Flds;
636	>	finally
637	>	SubQuery.Free;
638	>	end;
639	>	end;
640	>	if (ixDescending in Opts) then
641	>	DescFields := Fields;
642	>	if ixPrimary in Opts then
643	>	FPrimaryIndexFields := Fields;
644	>	end;
645	>	end;
646	>	finally
647	>	Query.Free;
648	>	Database.InternalTransaction.Commit;
649	>	end;
650	>	end;
651	>	end;
652	>
653	>	function TIBTable.GetExists: Boolean;
654	>	var
655	>	Query: TIBSQL;
656	>	begin
657	>	Result := Active;
658	>	if Result or (TableName = '') then Exit;
659	>	Database.InternalTransaction.StartTransaction;
660	>	Query := TIBSQL.Create(self);
661	>	try
662	>	Query.Database := DataBase;
663	>	Query.Transaction := Database.InternalTransaction;
664	>	Query.SQL.Text :=
665	>	'Select USER from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
666	>	'''' +
667	>	FormatIdentifierValue(Database.SQLDialect,
668	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
669	>	Query.Prepare;
670	>	Query.ExecQuery;
671	>	Result := not Query.EOF;
672	>	finally
673	>	Query.Free;
674	>	Database.InternalTransaction.Commit;
675	>	end;
676	>	end;
677	>
678	>	procedure TIBTable.GotoCurrent(Table: TIBTable);
679	>	begin
680	>	CheckBrowseMode;
681	>	Table.CheckBrowseMode;
682	>	if (Database <> Table.Database) or
683	>	(CompareText(TableName, Table.TableName) <> 0) then
684	>	IBError(ibxeTableNameMismatch, [nil]);
685	>	Table.UpdateCursorPos;
686	>	InternalGotoDBKey(Table.CurrentDBKey);
687	>	DoBeforeScroll;
688	>	Resync([rmExact, rmCenter]);
689	>	DoAfterScroll;
690	>	end;
691	>
692	>
693	>	procedure TIBTable.CreateTable;
694	>	var
695	>	FieldList: string;
696	>
697	>	procedure InitFieldsList;
698	>	var
699	>	I: Integer;
700	>	begin
701	>	InitFieldDefsFromFields;
702	>	for I := 0 to FieldDefs.Count - 1 do begin
703	>	if ( I > 0) then
704	>	FieldList := FieldList + ', ';
705	>	with FieldDefs[I] do
706	>	begin
707	>	case DataType of
708	>	ftString:
709	>	FieldList := FieldList +
710	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
711	>	' VARCHAR(' + IntToStr(Size) + ')'; {do not localize}
712	>	ftFixedChar:
713	>	FieldList := FieldList +
714	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
715	>	' CHAR(' + IntToStr(Size) + ')'; {do not localize}
716	>	ftBoolean, ftSmallint, ftWord:
717	>	FieldList := FieldList +
718	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
719	>	' SMALLINT'; {do not localize}
720	>	ftInteger:
721	>	FieldList := FieldList +
722	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
723	>	' INTEGER'; {do not localize}
724	>	ftFloat, ftCurrency:
725	>	FieldList := FieldList +
726	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
727	>	' DOUBLE PRECISION'; {do not localize}
728	>	ftBCD: begin
729	>	if (Database.SQLDialect = 1) then begin
730	>	if (Precision > 9) then
731	>	IBError(ibxeFieldUnsupportedType,[nil]);
732	>	if (Precision <= 4) then
733	>	Precision := 9;
734	>	end;
735	>	if (Precision <= 4 ) then
736	>	FieldList := FieldList +
737	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
738	>	' Numeric(18, 4)' {do not localize}
739	>	else
740	>	FieldList := FieldList +
741	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
742	>	' Numeric(' + IntToStr(Precision) + ', 4)'; {do not localize}
743	>	end;
744	>	ftDate:
745	>	FieldList := FieldList +
746	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
747	>	' DATE'; {do not localize}
748	>	ftTime:
749	>	FieldList := FieldList +
750	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
751	>	' TIME'; {do not localize}
752	>	ftDateTime:
753	>	if (Database.SQLDialect = 1) then
754	>	FieldList := FieldList +
755	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
756	>	' DATE' {do not localize}
757	>	else
758	>	FieldList := FieldList +
759	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
760	>	' TIMESTAMP'; {do not localize}
761	>	ftLargeInt:
762	>	if (Database.SQLDialect = 1) then
763	>	IBError(ibxeFieldUnsupportedType,[nil])
764	>	else
765	>	FieldList := FieldList +
766	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
767	>	' Numeric(18, 0)'; {do not localize}
768	>	ftBlob, ftMemo:
769	>	FieldList := FieldList +
770	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
771	>	' BLOB SUB_TYPE 1'; {do not localize}
772	>	ftBytes, ftVarBytes, ftGraphic..ftTypedBinary:
773	>	FieldList := FieldList +
774	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
775	>	' BLOB SUB_TYPE 0'; {do not localize}
776	>	ftUnknown, ftADT, ftArray, ftReference, ftDataSet,
777	>	ftCursor, ftWideString, ftAutoInc:
778	>	IBError(ibxeFieldUnsupportedType,[nil]);
779	>	else
780	>	IBError(ibxeFieldUnsupportedType,[nil]);
781	>	end;
782	>	if faRequired in Attributes then
783	>	FieldList := FieldList + ' NOT NULL'; {do not localize}
784	>	end;
785	>	end;
786	>	end;
787	>
788	>	procedure InternalCreateTable;
789	>	var
790	>	I: Integer;
791	>	Query: TIBSQL;
792	>	begin
793	>	if (FieldList = '') then
794	>	IBError(ibxeFieldUnsupportedType,[nil]);
795	>	Query := TIBSQL.Create(self);
796	>	try
797	>	Query.Database := Database;
798	>	Query.transaction := Transaction;
799	>	Query.SQL.Text := 'Create Table ' +
800	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
801	>	' (' + FieldList; {do not localize}
802	>	for I := 0 to IndexDefs.Count - 1 do
803	>	with IndexDefs[I] do
804	>	if ixPrimary in Options then
805	>	begin
806	>	Query.SQL.Text := Query.SQL.Text + ', CONSTRAINT ' +
807	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
808	>	' Primary Key (' +
809	>	FormatFieldsList(Fields) +
810	>	')';
811	>	end;
812	>	Query.SQL.Text := Query.SQL.Text + ')';
813	>	Query.Prepare;
814	>	Query.ExecQuery;
815	>	finally
816	>	Query.Free;
817	>	end;
818	>	end;
819	>
820	>	procedure InternalCreateIndex;
821	>	var
822	>	I: Integer;
823	>	begin
824	>	for I := 0 to IndexDefs.Count - 1 do
825	>	with IndexDefs[I] do
826	>	if not (ixPrimary in Options) then
827	>	AddIndex(Name, Fields, Options);
828	>	end;
829	>
830	>	begin
831	>	CheckInactive;
832	>	InitFieldsList;
833	>	InternalCreateTable;
834	>	InternalCreateIndex;
835	>	end;
836	>
837	>	procedure TIBTable.DeleteTable;
838	>	var
839	>	Query: TIBSQL;
840	>	begin
841	>	CheckInactive;
842	>	Query := TIBSQL.Create(self);
843	>	try
844	>	Query.Database := DataBase;
845	>	Query.Transaction := Transaction;
846	>	Query.SQL.Text := 'drop table ' +  {do not localize}
847	>	QuoteIdentifier(DataBase.SQLDialect, FTableName);
848	>	Query.Prepare;
849	>	Query.ExecQuery;
850	>	finally
851	>	Query.Free;
852	>	end;
853	>	end;
854	>
855	>	procedure TIBTable.EmptyTable;
856	>	var
857	>	Query: TIBSQL;
858	>	begin
859	>	if Active then
860	>	CheckBrowseMode;
861	>	Query := TIBSQL.Create(self);
862	>	try
863	>	Query.Database := DataBase;
864	>	Query.Transaction := Transaction;
865	>	Query.SQL.Text := 'delete from ' + {do not localize}
866	>	QuoteIdentifier(DataBase.SQLDialect, FTableName);
867	>	Query.Prepare;
868	>	Query.ExecQuery;
869	>	if Active then
870	>	begin
871	>	ClearBuffers;
872	>	DataEvent(deDataSetChange, 0);
873	>	end;
874	>	finally
875	>	Query.Free;
876	>	end;
877	>	end;
878	>
879	>	procedure TIBTable.DataEvent(Event: TDataEvent; Info: Ptrint);
880	>	begin
881	>	if Event = dePropertyChange then begin
882	>	IndexDefs.Updated := False;
883	>	FRegenerateSQL := True;
884	>	end;
885	>	inherited DataEvent(Event, Info);
886	>	end;
887	>
888	>	{ Informational & Property }
889	>
890	>	function TIBTable.GetCanModify: Boolean;
891	>	begin
892	>	Result := True;
893	>	if (FTableName = '') or FReadOnly
894	>	or FSystemTable or FMultiTableView then
895	>	Result := False;
896	>	end;
897	>
898	>	function TIBTable.InternalGetUpdatable: Boolean;
899	>	var
900	>	Query : TIBSQL;
901	>	begin
902	>	Database.InternalTransaction.StartTransaction;
903	>	Query := TIBSQL.Create(self);
904	>	try
905	>	Query.Database := DataBase;
906	>	Query.Transaction := Database.InternalTransaction;
907	>	Query.SQL.Text := 'Select RDB$SYSTEM_FLAG, RDB$DBKEY_LENGTH ' + {do not localize}
908	>	'from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
909	>	'''' +
910	>	FormatIdentifierValue(Database.SQLDialect,
911	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
912	>	Query.Prepare;
913	>	Query.ExecQuery;
914	>	if (Query.Current[0].AsInteger <> 0) or
915	>	(Query.Current[1].AsInteger <> 8) then
916	>	Result := False
917	>	else
918	>	Result := True;
919	>	finally
920	>	Query.Free;
921	>	Database.InternalTransaction.Commit;
922	>	end;
923	>	end;
924	>
925	>	function TIBTable.FieldDefsStored: Boolean;
926	>	begin
927	>	Result := StoreDefs and (FieldDefs.Count > 0);
928	>	end;
929	>
930	>	function TIBTable.IndexDefsStored: Boolean;
931	>	begin
932	>	Result := StoreDefs and (IndexDefs.Count > 0);
933	>	end;
934	>
935	>	procedure TIBTable.SetParams;
936	>	var
937	>	i: Integer;
938	>	begin
939	>	if (MasterSource = nil) or (MasterSource.DataSet = nil) or
940	>	(not MasterSource.DataSet.Active) or (FMasterFieldsList.Count = 0) then
941	>	exit;
942	>	for i := 0 to FMasterFieldsList.Count - 1 do
943	>	QSelect.Params.ByName(FMasterFieldsList.Strings[i]).Value :=
944	>	MasterSource.DataSet.FieldByName(FMasterFieldsList.Strings[i]).Value;
945	>	end;
946	>
947	>	procedure TIBTable.MasterChanged(Sender: TObject);
948	>	begin
949	>	CheckBrowseMode;
950	>	SetParams;
951	>	ReQuery;
952	>	end;
953	>
954	>	procedure TIBTable.MasterDisabled(Sender: TObject);
955	>	begin
956	>	DataEvent(dePropertyChange, 0);
957	>	ReQuery;
958	>	end;
959	>
960	>	function TIBTable.GetDataSource: TDataSource;
961	>	begin
962	>	Result := FMasterLink.DataSource;
963	>	end;
964	>
965	>	procedure TIBTable.SetDataSource(Value: TDataSource);
966	>	begin
967	>	if IsLinkedTo(Value) then IBError(ibxeCircularDataLink, [Self]);
968	>	if FMasterLink.DataSource <> Value then
969	>	DataEvent(dePropertyChange, 0);
970	>	FMasterLink.DataSource := Value;
971	>	end;
972	>
973	>	function TIBTable.GetMasterFields: string;
974	>	begin
975	>	Result := FMasterLink.FieldNames;
976	>	end;
977	>
978	>	procedure TIBTable.SetMasterFields(const Value: string);
979	>	begin
980	>	if FMasterLink.FieldNames <> Value then
981	>	DataEvent(dePropertyChange, 0);
982	>	FMasterLink.FieldNames := Value;
983	>	end;
984	>
985	>	procedure TIBTable.DoOnNewRecord;
986	>	var
987	>	I: Integer;
988	>	begin
989	>	if FMasterLink.Active and (FMasterLink.Fields.Count > 0) then
990	>	for I := 0 to FMasterLink.Fields.Count - 1 do
991	>	IndexFields[I] := TField(FMasterLink.Fields[I]);
992	>	inherited DoOnNewRecord;
993	>	end;
994	>
995	>	function TIBTable.FormatFieldsList(Value: String): String;
996	>	var
997	>	FieldName: string;
998	>	i: Integer;
999	>	begin
1000	>	if Database.SQLDialect = 1 then begin
1001	>	Value := QuoteIdentifier(Database.SQLDialect, Value);
1002	>	Result := StringReplace (Value, ';', ', ', [rfReplaceAll]);
1003	>	end
1004	>	else begin
1005	>	i := 1;
1006	>	Result := '';
1007	>	while i <= Length(Value) do
1008	>	begin
1009	>	FieldName := ExtractFieldName(Value, i);
1010	>	if Result = '' then
1011	>	Result := QuoteIdentifier(Database.SQLDialect, FieldName)
1012	>	else
1013	>	Result := Result + ', ' + QuoteIdentifier(Database.SQLDialect, FieldName);
1014	>	end;
1015	>	end;
1016	>	end;
1017	>
1018	>	procedure TIBTable.ExtractLinkFields;
1019	>	var
1020	>	i: Integer;
1021	>	DetailFieldNames: String;
1022	>	begin
1023	>	FMasterFieldsList.Clear;
1024	>	FDetailFieldsList.Clear;
1025	>	i := 1;
1026	>	while i <= Length(MasterFields) do
1027	>	FMasterFieldsList.Add(ExtractFieldName(MasterFields, i));
1028	>	i := 1;
1029	>	if IndexFieldNames = '' then
1030	>	DetailFieldNames := FPrimaryIndexFields
1031	>	else
1032	>	DetailFieldNames := IndexFieldNames;
1033	>	while i <= Length(DetailFieldNames) do
1034	>	FDetailFieldsList.Add(ExtractFieldName(DetailFieldNames, i));
1035	>	end;
1036	>
1037	>	procedure TIBTable.GetDetailLinkFields(MasterFields, DetailFields: TList);
1038	>	var
1039	>	i: Integer;
1040	>	Idx: TIndexDef;
1041	>	begin
1042	>	MasterFields.Clear;
1043	>	DetailFields.Clear;
1044	>	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and
1045	>	(Self.MasterFields <> '') then
1046	>	begin
1047	>	Idx := nil;
1048	>	MasterSource.DataSet.GetFieldList(MasterFields, Self.MasterFields);
1049	>	UpdateIndexDefs;
1050	>	if IndexName <> '' then
1051	>	Idx := IndexDefs.Find(IndexName)
1052	>	else if IndexFieldNames <> '' then
1053	>	Idx := IndexDefs.GetIndexForFields(IndexFieldNames, False)
1054	>	else
1055	>	for i := 0 to IndexDefs.Count - 1 do
1056	>	if ixPrimary in IndexDefs[i].Options then
1057	>	begin
1058	>	Idx := IndexDefs[i];
1059	>	break;
1060	>	end;
1061	>	if Idx <> nil then
1062	>	GetFieldList(DetailFields, Idx.Fields);
1063	>	end;
1064	>	end;
1065	>
1066	>	procedure TIBTable.SetReadOnly(Value: Boolean);
1067	>	begin
1068	>	CheckInactive;
1069	>	FReadOnly := Value;
1070	>	end;
1071	>
1072	>	procedure TIBTable.SetTableName(Value: String);
1073	>	begin
1074	>	if not (csReading in ComponentState) then
1075	>	begin
1076	>	CheckInactive;
1077	>	if Value <> FTableName then
1078	>	begin
1079	>	ResetSQLStatements;
1080	>	FRegenerateSQL := True;
1081	>	FTableName := Value;
1082	>	IndexName := '';
1083	>	IndexFieldNames := '';
1084	>	FPrimaryIndexFields := '';
1085	>	DataEvent(dePropertyChange, 0);
1086	>	end;
1087	>	end
1088	>	else if Value <> FTableName then
1089	>	FTableName := Value;
1090	>	end;
1091	>
1092	>	function TIBTable.GetIndexField(Index: Integer): TField;
1093	>	var
1094	>	I, Count: Integer;
1095	>	FieldNames, FieldName: String;
1096	>	begin
1097	>	Result := nil;
1098	>	FieldName := '';
1099	>	FieldNames := IndexFieldNames;
1100	>	if FieldNames = '' then
1101	>	begin
1102	>	for I := 0 to IndexDefs.Count - 1 do
1103	>	if (IndexDefs[i].Name = FIndexName) then
1104	>	begin
1105	>	FieldNames := IndexDefs[i].Fields;
1106	>	break;
1107	>	end;
1108	>	end;
1109	>	for I := 0 to Index do
1110	>	begin
1111	>	Count := Pos(';', FieldNames); {mbcs OK}
1112	>	if Count = 0 then
1113	>	FieldName := FieldNames
1114	>	else begin
1115	>	FieldName := Copy(FieldNames, 0, Count - 1);
1116	>	System.Delete(FieldNames, 1, Count);
1117	>	end;
1118	>	end;
1119	>	if FieldName <> '' then
1120	>	Result := FieldByName(FieldName)
1121	>	else
1122	>	IBError(ibxeIndexFieldMissing, [nil]);
1123	>	end;
1124	>
1125	>
1126	>	procedure TIBTable.SetIndexField(Index: Integer; Value: TField);
1127	>	begin
1128	>	GetIndexField(Index).Assign(Value);
1129	>	end;
1130	>
1131	>	function TIBTable.GetIndexFieldCount: Integer;
1132	>	var
1133	>	I, Index: Integer;
1134	>	FieldNames: String;
1135	>	done: Boolean;
1136	>	begin
1137	>	FieldNames := IndexFieldNames;
1138	>	if FieldNames = '' then
1139	>	begin
1140	>	for I := 0 to IndexDefs.Count - 1 do
1141	>	if (IndexDefs[i].Name = FIndexName) then
1142	>	begin
1143	>	FieldNames := IndexDefs[i].Fields;
1144	>	break;
1145	>	end;
1146	>	end;
1147	>	if FieldNames = '' then
1148	>	Result := 0
1149	>	else
1150	>	begin
1151	>	done := False;
1152	>	Result := 1;
1153	>	while not done do
1154	>	begin
1155	>	Index := Pos(';', FieldNames); {mbcs ok}
1156	>	if Index <> 0 then
1157	>	begin
1158	>	System.Delete(FieldNames, 1, Index);
1159	>	Inc(Result);
1160	>	end else
1161	>	done := True;
1162	>	end;
1163	>	end;
1164	>	end;
1165	>
1166	>	function TIBTable.GetTableNames: TStrings;
1167	>	begin
1168	>	FNameList.clear;
1169	>	GetTableNamesFromServer;
1170	>	Result := FNameList;
1171	>	end;
1172	>
1173	>	procedure TIBTable.GetTableNamesFromServer;
1174	>	var
1175	>	Query : TIBSQL;
1176	>	begin
1177	>	if not (csReading in ComponentState) then begin
1178	>	ActivateConnection;
1179	>	Database.InternalTransaction.StartTransaction;
1180	>	Query := TIBSQL.Create(self);
1181	>	try
1182	>	Query.GoToFirstRecordOnExecute := False;
1183	>	Query.Database := DataBase;
1184	>	Query.Transaction := Database.InternalTransaction;
1185	>	if (TableTypes * [ttSystem, ttView] = [ttSystem, ttView]) then
1186	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' {do not localize}
1187	>	else if ttSystem in TableTypes then
1188	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1189	>	' where RDB$VIEW_BLR is NULL' {do not localize}
1190	>	else if ttView in TableTypes then
1191	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1192	>	' where RDB$SYSTEM_FLAG = 0' {do not localize}
1193	>	else
1194	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1195	>	' where RDB$VIEW_BLR is NULL and RDB$SYSTEM_FLAG = 0'; {do not localize}
1196	>	Query.Prepare;
1197	>	Query.ExecQuery;
1198	>	while (not Query.EOF) and (Query.Next <> nil) do
1199	>	FNameList.Add (TrimRight(Query.Current[0].AsString));
1200	>	finally
1201	>	Query.Free;
1202	>	Database.InternalTransaction.Commit;
1203	>	end;
1204	>	end;
1205	>	end;
1206	>
1207	>	procedure TIBTable.SwitchToIndex();
1208	>	begin
1209	>	FSwitchingIndex := True;
1210	>	InternalTableRefresh;
1211	>	FSwitchingIndex := False;
1212	>	end;
1213	>
1214	>	procedure TIBTable.InternalTableRefresh();
1215	>	var
1216	>	DBKey: TIBDBKey;
1217	>	begin
1218	>	CheckActive;
1219	>	DBKey := CurrentDBKey;
1220	>	FRegenerateSQL := True;
1221	>	Reopen;
1222	>	if DBKey.DBKey[0] <> 0 then
1223	>	InternalGotoDBKey(DBKey);
1224	>	end;
1225	>
1226	>	procedure TIBTable.GenerateSQL;
1227	>	var
1228	>	i: Integer;
1229	>	SQL: TStrings;
1230	>	OrderByStr: string;
1231	>	bWhereClausePresent: Boolean;
1232	>	fn: string;
1233	>	aField: TFieldDef;
1234	>	begin
1235	>	bWhereClausePresent := False;
1236	>	Database.CheckActive;
1237	>	Transaction.CheckInTransaction;
1238	>	if IndexDefs.Updated = False then
1239	>	IndexDefs.Update;
1240	>	if IndexFieldNames <> '' then
1241	>	OrderByStr := FormatFieldsList(IndexFieldNames)
1242	>	else if IndexName <> '' then
1243	>	OrderByStr := FormatFieldsList(IndexDefs[IndexDefs.Indexof (IndexName)].Fields)
1244	>	else if FDefaultIndex and (FPrimaryIndexFields <> '') then
1245	>	OrderByStr := FormatFieldsList(FPrimaryIndexFields);
1246	>	SQL := TStringList.Create;
1247	>	SQL.Text := 'select ' + {do not localize}
1248	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1249	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1250	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName);
1251	>	if Filtered and (Filter <> '') then
1252	>	begin
1253	>	SQL.Text := SQL.Text + ' where ' + Filter; {do not localize}
1254	>	bWhereClausePresent := True;
1255	>	end;
1256	>	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and (MasterFields <> '') then
1257	>	begin
1258	>	if bWhereClausePresent then
1259	>	SQL.Text := SQL.Text + ' AND ' {do not localize}
1260	>	else
1261	>	SQL.Text := SQL.Text + ' WHERE '; {do not localize}
1262	>	ExtractLinkfields;
1263	>	if FDetailFieldsList.Count < FMasterFieldsList.Count then
1264	>	IBError(ibxeUnknownError, [nil]);
1265	>	for i := 0 to FMasterFieldsList.Count - 1 do
1266	>	begin
1267	>	if i > 0 then
1268	>	SQL.Text := SQL.Text + 'AND ';
1269	>	aField := FieldDefs.Find(FDetailFieldsList.Strings[i]);
1270	>	if assigned(aField) then
1271	>	fn := GetDBAliasName(aField.FieldNo)
1272	>	else
1273	>	fn := FDetailFieldsList.Strings[i]; {something wrong if we get here - but should word}
1274	>	SQL.Text := SQL.Text +
1275	>	QuoteIdentifier(DataBase.SQLDialect, fn) + ' = :' + FMasterFieldsList.Strings[i];
1276	>	end;
1277	>	end;
1278	>	if OrderByStr <> '' then
1279	>	SQL.Text := SQL.Text + ' order by ' + OrderByStr; {do not localize}
1280	>	SelectSQL.Assign(SQL);
1281	>	RefreshSQL.Text := 'select ' + {do not localize}
1282	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1283	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1284	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1285	>	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1286	>	WhereDBKeyRefreshSQL.Assign(RefreshSQL);
1287	>	InternalPrepare;
1288	>	SQL.Free;
1289	>	end;
1290	>
1291	>	procedure TIBTable.GenerateUpdateSQL;
1292	>	var
1293	>	InsertFieldList, InsertParamList, UpdateFieldList: string;
1294	>	WherePrimaryFieldList, WhereAllFieldList: string;
1295	>
1296	>	procedure GenerateFieldLists;
1297	>	var
1298	>	I: Integer;
1299	>	begin
1300	>	for I := 0 to FieldDefs.Count - 1 do begin
1301	>	with FieldDefs[I] do begin
1302	>	if not (InternalCalcField or (faReadOnly in Attributes) or
1303	>	(DataType = ftUnknown)) then
1304	>	begin
1305	>	if ( InsertFieldList <> '' ) then begin
1306	>	InsertFieldList := InsertFieldList + ', ';
1307	>	InsertParamList := InsertParamList + ', ';
1308	>	UpdateFieldList := UpdateFieldList + ', ';
1309	>	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1310	>	WhereAllFieldList := WhereAllFieldList + ' AND ';
1311	>	end;
1312	>	InsertFieldList := InsertFieldList +
1313	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo));
1314	>	InsertParamList := InsertParamList + ':' +  Name;
1315	>	UpdateFieldList := UpdateFieldList +
1316	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) +
1317	>	' = :' + Name;
1318	>	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1319	>	WhereAllFieldList := WhereAllFieldList +
1320	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) + ' = :' +  Name;
1321	>	end;
1322	>	end;
1323	>	end;
1324	>	end;
1325	>
1326	>	procedure GenerateWherePrimaryFieldList;
1327	>	var
1328	>	i: Integer;
1329	>	tmp, fn: String;
1330	>	aField: TFieldDef;
1331	>	begin
1332	>	i := 1;
1333	>	while i <= Length(FPrimaryIndexFields) do
1334	>	begin
1335	>	tmp := ExtractFieldName(FPrimaryIndexFields, i);
1336	>	aField := FieldDefs.Find(tmp);
1337	>	if assigned(aField) then
1338	>	fn := GetDBAliasName(aField.FieldNo)
1339	>	else
1340	>	fn := tmp; {something wrong if we get here - but will work in most cases}
1341	>	tmp :=
1342	>	QuoteIdentifier(DataBase.SQLDialect, fn) +  ' = :' +
1343	>	QuoteIdentifier(DataBase.SQLDialect, tmp);{do not localize}
1344	>	if WherePrimaryFieldList <> '' then
1345	>	WherePrimaryFieldList :=
1346	>	WherePrimaryFieldList + ' AND ' + tmp
1347	>	else
1348	>	WherePrimaryFieldList := tmp;
1349	>	end;
1350	>	end;
1351	>
1352	>	begin
1353	>	if InternalGetUpdatable = False  then
1354	>	FReadOnly := True
1355	>	else
1356	>	begin
1357	>	DeleteSQL.Text := 'delete from ' + {do not localize}
1358	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1359	>	' where RDB$DB_KEY = ' + ':IBX_INTERNAL_DBKEY'; {do not localize}
1360	>	GenerateFieldLists;
1361	>	InsertSQL.Text := 'insert into ' + {do not localize}
1362	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1363	>	' (' + InsertFieldList + {do not localize}
1364	>	') values (' + InsertParamList + ')'; {do not localize}
1365	>	ModifySQL.Text := 'update ' +
1366	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1367	>	' set ' + UpdateFieldList + {do not localize}
1368	>	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1369	>	WhereAllRefreshSQL.Text := 'select ' +  {do not localize}
1370	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, '
1371	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1372	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1373	>	' where ' + WhereAllFieldList; {do not localize}
1374	>	if FPrimaryIndexFields <> '' then
1375	>	begin
1376	>	GenerateWherePrimaryFieldList;
1377	>	WherePrimaryRefreshSQL.Text := 'select ' + {do not localize}
1378	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1379	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1380	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1381	>	' where ' + WherePrimaryFieldList; {do not localize}
1382	>	end;
1383	>	try
1384	>	InternalPrepare;
1385	>	except
1386	>	FReadonly := True;
1387	>	end;
1388	>	end;
1389	>	end;
1390	>
1391	>	procedure TIBTable.ResetSQLStatements;
1392	>	begin
1393	>	SelectSQL.Text := '';
1394	>	DeleteSQL.Text := '';
1395	>	InsertSQL.Text := '';
1396	>	ModifySQL.Text := '';
1397	>	RefreshSQL.Text := '';
1398	>	end;
1399	>
1400	>	procedure TIBTable.SetTableTypes(
1401	>	const Value: TIBTableTypes);
1402	>	begin
1403	>	FTableTypes := Value;
1404	>	end;
1405	>
1406	>	function TIBTable.InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
1407	>
1408	>	function DBKeyCompare (DBKey1, DBKey2: TIBDBKey): Boolean;
1409	>	var
1410	>	I: Integer;
1411	>	begin
1412	>	for I := 0 to 7 do
1413	>	if (DBKey1.DBKey[i] <> DBKey2.DBKey[i]) then begin
1414	>	result := False;
1415	>	exit;
1416	>	end;
1417	>	result := True;
1418	>	end;
1419	>	begin
1420	>	CheckActive;
1421	>	DisableControls;
1422	>	try
1423	>	result := False;
1424	>	First;
1425	>	while ((not result) and (not EOF)) do begin
1426	>	if (DBKeyCompare (DBKey, PRecordData(GetActiveBuf)^.rdDBKey)) then
1427	>	result := True
1428	>	else
1429	>	Next;
1430	>	end;
1431	>	if not result then
1432	>	First
1433	>	else
1434	>	CursorPosChanged;
1435	>	finally
1436	>	EnableControls;
1437	>	end;
1438	>	end;
1439	>
1440	>	function TIBTable.GetCurrentDBKey: TIBDBKey;
1441	>	var
1442	>	Buf: pChar;
1443	>	begin
1444	>	CheckActive;
1445	>	buf := GetActiveBuf;
1446	>	if Buf <> nil then
1447	>	Result := PRecordData(Buf)^.rdDBKey
1448	>	else
1449	>	Result.DBKey[0] := 0;
1450	>	end;
1451	>
1452	>	procedure TIBTable.Reopen;
1453	>	begin
1454	>	DisableControls;
1455	>	try
1456	>	if Active then
1457	>	begin
1458	>	SetState(dsInactive);
1459	>	CloseCursor;
1460	>	OpenCursor(false);
1461	>	SetState(dsBrowse);
1462	>	end;
1463	>	finally
1464	>	EnableControls;
1465	>	end;
1466	>	end;
1467	>
1468	>	end.

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