ViewVC Help

View File | Revision Log | Show Annotations | Download File | View Changeset | Root Listing

root/public/ibx/trunk/runtime/IBTable.pas

Comparing ibx/trunk/runtime/IBTable.pas (file contents):
Revision 7 by tony, Sun Aug 5 18:28:19 2012 UTC vs.
Revision 23 by tony, Fri Mar 13 10:26:52 2015 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	<	{    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	<	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 InternalRefreshRow;
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,
320	<	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
321	<	''' ' +
322	<	'and R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME '+ {do not localize}
323	<	'order by R.RDB$FIELD_POSITION'; {do not localize}
324	<
325	<	Query.Prepare;
326	<	Query.ExecQuery;
327	<	FieldDefs.BeginUpdate;
328	<	FieldDefs.Clear;
329	<	while (not Query.EOF) and (Query.Next <> nil) do
330	<	begin
331	<	with FieldDefs.AddFieldDef do
332	<	begin
333	<	(*           FieldNo := Query.Current.ByName('RDB$FIELD_POSITION').AsInteger; {do not localize}*)
334	<	Name := TrimRight(Query.Current.ByName('RDB$FIELD_NAME').AsString); {do not localize}
335	<	case Query.Current.ByName('RDB$FIELD_TYPE').AsInteger of {do not localize}
336	<	blr_varying, blr_text:
337	<	begin
338	<	DataType := ftString;
339	<	Size := Query.Current.ByName('RDB$FIELD_LENGTH').AsInteger; {do not localize}
340	<	end;
341	<	blr_float, blr_double, blr_d_float: DataType := ftFloat;
342	<	blr_short:
343	<	begin
344	<	sqlscale := Query.Current.ByName('RDB$FIELD_SCALE').AsInteger; {do not localize}
345	<	if (sqlscale = 0) then
346	<	DataType := ftSmallInt
347	<	else
348	<	begin
349	<	DataType := ftBCD;
350	<	Precision := 4;
351	<	end;
352	<	end;
353	<	blr_long:
354	<	begin
355	<	sqlscale := Query.Current.ByName('RDB$FIELD_SCALE').AsInteger; {do not localize}
356	<	if (sqlscale = 0) then
357	<	DataType := ftInteger
358	<	else if (sqlscale >= (-4)) then
359	<	begin
360	<	DataType := ftBCD;
361	<	Precision := 9;
362	<	end
363	<	else
364	<	DataType := ftFloat;
365	<	end;
366	<	blr_int64:
367	<	begin
368	<	sqlscale := Query.Current.ByName('RDB$FIELD_SCALE').AsInteger; {do not localize}
369	<	if (sqlscale = 0) then
370	<	DataType := ftLargeInt
371	<	else if (sqlscale >= (-4)) then
372	<	begin
373	<	DataType := ftBCD;
374	<	Precision := 18;
375	<	end
376	<	else
377	<	DataType := ftFloat;
378	<	end;
379	<	blr_timestamp: DataType := ftDateTime;
380	<	blr_sql_time: DataType := ftTime;
381	<	blr_sql_date: DataType := ftDate;
382	<	blr_blob:
383	<	if (Query.Current.ByName('RDB$FIELD_SUB_TYPE').AsInteger = 1) then {do not localize}
384	<	DataType := ftMemo
385	<	else
386	<	DataType := ftBlob;
387	<	blr_quad:
388	<	begin
389	<	DataType := ftUnknown;
390	<	Size := sizeof (TISC_QUAD);
391	<	end;
392	<	else
393	<	DataType := ftUnknown;
394	<	end;
395	<	if not (Query.Current.ByName('RDB$COMPUTED_BLR').IsNull) then {do not localize}
396	<	begin
397	<	Attributes := [faReadOnly];
398	<	InternalCalcField := True
399	<	end
400	<	else
401	<	InternalCalcField := False;
402	<	if ((not InternalCalcField) and
403	<	Query.Current.ByName('RDB$DEFAULT_VALUE').IsNull and {do not localize}
404	<	(Query.Current.ByName('RDB$NULL_FLAG').AsInteger = 1) )then {do not localize}
405	<	begin
406	<	Attributes := [faRequired];
407	<	Required := True;
408	<	end;
409	<	end;
410	<	end;
411	<	FieldDefs.EndUpdate;
412	<	finally
413	<	Query.free;
414	<	Database.InternalTransaction.Commit;
415	<	end;
416	<	end;
417	<	end;
418	<
419	<	{ Index / Ranges / Keys }
420	<
421	<	procedure TIBTable.AddIndex(const Name, Fields: string; Options: TIndexOptions;
422	<	const DescFields: string);
423	<	var
424	<	Query: TIBSQL;
425	<	FieldList: string;
426	<	begin
427	<	FieldDefs.Update;
428	<	if Active then begin
429	<	CheckBrowseMode;
430	<	CursorPosChanged;
431	<	end;
432	<	Query := TIBSQL.Create(self);
433	<	try
434	<	Query.Database := DataBase;
435	<	Query.Transaction := Transaction;
436	<	FieldList := FormatFieldsList(Fields);
437	<	if (ixPrimary in Options) then
438	<	begin
439	<	Query.SQL.Text := 'Alter Table ' + {do not localize}
440	<	QuoteIdentifier(Database.SQLDialect, FTableName) +
441	<	' Add CONSTRAINT ' +   {do not localize}
442	<	QuoteIdentifier(Database.SQLDialect, Name)
443	<	+ ' Primary Key (' + {do not localize}
444	<	FormatFieldsList(Fields) +
445	<	')';
446	<	end
447	<	else if ([ixUnique, ixDescending] * Options = [ixUnique, ixDescending]) then
448	<	Query.SQL.Text := 'Create unique Descending Index ' + {do not localize}
449	<	QuoteIdentifier(Database.SQLDialect, Name) +
450	<	' on ' + {do not localize}
451	<	QuoteIdentifier(Database.SQLDialect, FTableName) +
452	<	' (' + FieldList + ')'
453	<	else if (ixUnique in Options) then
454	<	Query.SQL.Text := 'Create unique Index ' + {do not localize}
455	<	QuoteIdentifier(Database.SQLDialect, Name) +
456	<	' on ' + {do not localize}
457	<	QuoteIdentifier(Database.SQLDialect, FTableName) +
458	<	' (' + FieldList + ')'
459	<	else if (ixDescending in Options) then
460	<	Query.SQL.Text := 'Create Descending Index ' + {do not localize}
461	<	QuoteIdentifier(Database.SQLDialect, Name) +
462	<	' on ' + {do not localize}
463	<	QuoteIdentifier(Database.SQLDialect, FTableName) +
464	<	' (' + FieldList + ')'
465	<	else
466	<	Query.SQL.Text := 'Create Index ' + {do not localize}
467	<	QuoteIdentifier(Database.SQLDialect, Name) +
468	<	' on ' + {do not localize}
469	<	QuoteIdentifier(Database.SQLDialect, FTableName) +
470	<	' (' + FieldList + ')';
471	<	Query.Prepare;
472	<	Query.ExecQuery;
473	<	IndexDefs.Updated := False;
474	<	finally
475	<	Query.free
476	<	end;
477	<	end;
478	<
479	<	procedure TIBTable.DeleteIndex(const Name: string);
480	<	var
481	<	Query: TIBSQL;
482	<
483	<	procedure DeleteByIndex;
484	<	begin
485	<	Query := TIBSQL.Create(self);
486	<	try
487	<	Query.Database := DataBase;
488	<	Query.Transaction := Transaction;
489	<	Query.SQL.Text := 'Drop index ' +  {do not localize}
490	<	QuoteIdentifier(Database.SQLDialect, Name);
491	<	Query.Prepare;
492	<	Query.ExecQuery;
493	<	IndexDefs.Updated := False;
494	<	finally
495	<	Query.Free;
496	<	end;
497	<	end;
498	<
499	<	function DeleteByConstraint: Boolean;
500	<	begin
501	<	Result := False;
502	<	Query := TIBSQL.Create(self);
503	<	try
504	<	Query.Database := DataBase;
505	<	Query.Transaction := Transaction;
506	<	Query.SQL.Text := 'Select ''foo'' from RDB$RELATION_CONSTRAINTS ' +
507	<	'where RDB$RELATION_NAME = ' +
508	<	'''' +
509	<	FormatIdentifierValue(Database.SQLDialect,
510	<	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
511	<	''' ' +
512	<	' AND RDB$CONSTRAINT_NAME = ' +
513	<	'''' +
514	<	FormatIdentifierValue(Database.SQLDialect,
515	<	QuoteIdentifier(DataBase.SQLDialect, Name)) +
516	<	''' ' +
517	<	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
518	<	Query.Prepare;
519	<	Query.ExecQuery;
520	<	if not Query.EOF then
521	<	begin
522	<	Query.Close;
523	<	Query.SQL.Text := 'Alter Table ' +  {do not localize}
524	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
525	<	' Drop Constraint ' +
526	<	QuoteIdentifier(DataBase.SQLDialect, Name);
527	<	Query.Prepare;
528	<	Query.ExecQuery;
529	<	IndexDefs.Updated := False;
530	<	Result := True;
531	<	end;
532	<	finally
533	<	Query.Free;
534	<	end;
535	<	end;
536	<
537	<	procedure DeleteByKey;
538	<	begin
539	<	Query := TIBSQL.Create(self);
540	<	try
541	<	Query.Database := DataBase;
542	<	Query.Transaction := Transaction;
543	<	Query.SQL.Text := 'Select RDB$CONSTRAINT_NAME from RDB$RELATION_CONSTRAINTS ' +
544	<	'where RDB$RELATION_NAME = ' +
545	<	'''' +
546	<	FormatIdentifierValue(Database.SQLDialect,
547	<	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
548	<	''' ' +
549	<	'AND RDB$INDEX_NAME = ' +
550	<	'''' +
551	<	FormatIdentifierValue(Database.SQLDialect,
552	<	QuoteIdentifier(DataBase.SQLDialect, Name)) +
553	<	''' ' +
554	<	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
555	<	Query.Prepare;
556	<	Query.ExecQuery;
557	<	if not Query.EOF then
558	<	begin
559	<	Query.Close;
560	<	Query.SQL.Text := 'Alter Table ' +  {do not localize}
561	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
562	<	' Drop Constraint ' +
563	<	QuoteIdentifier(DataBase.SQLDialect, Query.Current.ByName('RDB$CONSTRAINT_NAME').AsString);
564	<	Query.Prepare;
565	<	Query.ExecQuery;
566	<	IndexDefs.Updated := False;
567	<	end;
568	<	finally
569	<	Query.Free;
570	<	end;
571	<	end;
572	<
573	<	begin
574	<	if Active then
575	<	CheckBrowseMode;
576	<	IndexDefs.Update;
577	<	if (Pos('RDB$PRIMARY', Name) <> 0 ) then {do not localize} {mbcs ok}
578	<	DeleteByKey
579	<	else if not DeleteByConstraint then
580	<	DeleteByIndex;
581	<	end;
582	<
583	<	function TIBTable.GetIndexFieldNames: string;
584	<	begin
585	<	if FFieldsIndex then Result := FIndexName else Result := '';
586	<	end;
587	<
588	<	function TIBTable.GetIndexName: string;
589	<	begin
590	<	if FFieldsIndex then Result := '' else Result := FIndexName;
591	<	end;
592	<
593	<	procedure TIBTable.GetIndexNames(List: TStrings);
594	<	begin
595	<	IndexDefs.Update;
596	<	IndexDefs.GetItemNames(List);
597	<	end;
598	<
599	<	procedure TIBTable.GetIndexParams(const IndexName: string;
600	<	FieldsIndex: Boolean; var IndexedName: string);
601	<	var
602	<	IndexStr: TIndexName;
603	<	begin
604	<	if IndexName <> '' then
605	<	begin
606	<	IndexDefs.Update;
607	<	IndexStr := IndexName;
608	<	if FieldsIndex then
609	<	IndexStr := IndexDefs.FindIndexForFields(IndexName).Name;
610	<	end;
611	<	IndexedName := IndexStr;
612	<	end;
613	<
614	<	procedure TIBTable.SetIndexDefs(Value: TIndexDefs);
615	<	begin
616	<	IndexDefs.Assign(Value);
617	<	end;
618	<
619	<	procedure TIBTable.SetIndex(const Value: string; FieldsIndex: Boolean);
620	<	begin
621	<	if Active then CheckBrowseMode;
622	<	if (FIndexName <> Value) or (FFieldsIndex <> FieldsIndex) then
623	<	begin
624	<	FIndexName := Value;
625	<	FFieldsIndex := FieldsIndex;
626	<	if Active then
627	<	begin
628	<	SwitchToIndex;
629	<	end;
630	<	end;
631	<	end;
632	<
633	<	procedure TIBTable.SetIndexFieldNames(const Value: string);
634	<	begin
635	<	SetIndex(Value, Value <> '');
636	<	end;
637	<
638	<	procedure TIBTable.SetIndexName(const Value: string);
639	<	begin
640	<	SetIndex(Value, False);
641	<	end;
642	<
643	<	procedure TIBTable.UpdateIndexDefs;
644	<	var
645	<	Opts: TIndexOptions;
646	<	Flds: string;
647	<	Query, SubQuery: TIBSQL;
648	<	begin
649	<	if not (csReading in ComponentState) then begin
650	<	if not Active and not FSwitchingIndex  then
651	<	FieldDefs.Update;
652	<	IndexDefs.Clear;
653	<	Database.InternalTransaction.StartTransaction;
654	<	Query := TIBSQL.Create(self);
655	<	try
656	<	FPrimaryIndexFields := '';
657	<	Query.GoToFirstRecordOnExecute := False;
658	<	Query.Database := DataBase;
659	<	Query.Transaction := Database.InternalTransaction;
660	<	Query.SQL.Text :=
661	<	'Select I.RDB$INDEX_NAME, I.RDB$UNIQUE_FLAG, I.RDB$INDEX_TYPE, ' + {do not localize}
662	<	'I.RDB$SEGMENT_COUNT, S.RDB$FIELD_NAME from RDB$INDICES I, ' + {do not localize}
663	<	'RDB$INDEX_SEGMENTS S where I.RDB$INDEX_NAME = S.RDB$INDEX_NAME '+ {do not localize}
664	<	'and I.RDB$RELATION_NAME = ' + '''' + {do not localize}
665	<	FormatIdentifierValue(Database.SQLDialect,
666	<	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
667	<	Query.Prepare;
668	<	Query.ExecQuery;
669	<	while (not Query.EOF) and (Query.Next <> nil) do
670	<	begin
671	<	with IndexDefs.AddIndexDef do
672	<	begin
673	<	Name := TrimRight(Query.Current.ByName('RDB$INDEX_NAME').AsString); {do not localize}
674	<	Opts := [];
675	<	if Pos ('RDB$PRIMARY', Name) = 1 then Include(Opts, ixPrimary); {do not localize} {mbcs ok}
676	<	if Query.Current.ByName('RDB$UNIQUE_FLAG').AsInteger = 1 then Include(Opts, ixUnique); {do not localize}
677	<	if Query.Current.ByName('RDB$INDEX_TYPE').AsInteger = 2  then Include(Opts, ixDescending); {do not localize}
678	<	Options := Opts;
679	<	if (Query.Current.ByName('RDB$SEGMENT_COUNT').AsInteger = 1) then {do not localize}
680	<	Fields := Trim(Query.Current.ByName('RDB$FIELD_NAME').AsString) {do not localize}
681	<	else begin
682	<	SubQuery := TIBSQL.Create(self);
683	<	try
684	<	SubQuery.GoToFirstRecordOnExecute := False;
685	<	SubQuery.Database := DataBase;
686	<	SubQuery.Transaction := Database.InternalTransaction;
687	<	SubQuery.SQL.Text :=
688	<	'Select RDB$FIELD_NAME from RDB$INDEX_SEGMENTS where RDB$INDEX_NAME = ' + {do not localize}
689	<	'''' +
690	<	FormatIdentifierValue(Database.SQLDialect,
691	<	QuoteIdentifier(DataBase.SQLDialect, Name)) +
692	<	'''' + 'ORDER BY RDB$FIELD_POSITION'; {do not localize}
693	<	SubQuery.Prepare;
694	<	SubQuery.ExecQuery;
695	<	Flds := '';
696	<	while (not SubQuery.EOF) and (SubQuery.Next <> nil) do
697	<	begin
698	<	if (Flds = '') then
699	<	Flds := TrimRight(SubQuery.Current.ByName('RDB$FIELD_NAME').AsString) {do not localize}
700	<	else begin
701	<	Query.Next;
702	<	Flds := Flds + ';' + TrimRight(SubQuery.Current[0].AsString);
703	<	end;
704	<	end;
705	<	Fields := Flds;
706	<	finally
707	<	SubQuery.Free;
708	<	end;
709	<	end;
710	<	if (ixDescending in Opts) then
711	<	DescFields := Fields;
712	<	if ixPrimary in Opts then
713	<	FPrimaryIndexFields := Fields;
714	<	end;
715	<	end;
716	<	finally
717	<	Query.Free;
718	<	Database.InternalTransaction.Commit;
719	<	end;
720	<	end;
721	<	end;
722	<
723	<	function TIBTable.GetExists: Boolean;
724	<	var
725	<	Query: TIBSQL;
726	<	begin
727	<	Result := Active;
728	<	if Result or (TableName = '') then Exit;
729	<	Database.InternalTransaction.StartTransaction;
730	<	Query := TIBSQL.Create(self);
731	<	try
732	<	Query.Database := DataBase;
733	<	Query.Transaction := Database.InternalTransaction;
734	<	Query.SQL.Text :=
735	<	'Select USER from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
736	<	'''' +
737	<	FormatIdentifierValue(Database.SQLDialect,
738	<	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
739	<	Query.Prepare;
740	<	Query.ExecQuery;
741	<	Result := not Query.EOF;
742	<	finally
743	<	Query.Free;
744	<	Database.InternalTransaction.Commit;
745	<	end;
746	<	end;
747	<
748	<	procedure TIBTable.GotoCurrent(Table: TIBTable);
749	<	begin
750	<	CheckBrowseMode;
751	<	Table.CheckBrowseMode;
752	<	if (Database <> Table.Database) or
753	<	(CompareText(TableName, Table.TableName) <> 0) then
754	<	IBError(ibxeTableNameMismatch, [nil]);
755	<	Table.UpdateCursorPos;
756	<	InternalGotoDBKey(Table.CurrentDBKey);
757	<	DoBeforeScroll;
758	<	Resync([rmExact, rmCenter]);
759	<	DoAfterScroll;
760	<	end;
761	<
762	<
763	<	procedure TIBTable.CreateTable;
764	<	var
765	<	FieldList: string;
766	<
767	<	procedure InitFieldsList;
768	<	var
769	<	I: Integer;
770	<	begin
771	<	InitFieldDefsFromFields;
772	<	for I := 0 to FieldDefs.Count - 1 do begin
773	<	if ( I > 0) then
774	<	FieldList := FieldList + ', ';
775	<	with FieldDefs[I] do
776	<	begin
777	<	case DataType of
778	<	ftString:
779	<	FieldList := FieldList +
780	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
781	<	' VARCHAR(' + IntToStr(Size) + ')'; {do not localize}
782	<	ftFixedChar:
783	<	FieldList := FieldList +
784	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
785	<	' CHAR(' + IntToStr(Size) + ')'; {do not localize}
786	<	ftBoolean, ftSmallint, ftWord:
787	<	FieldList := FieldList +
788	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
789	<	' SMALLINT'; {do not localize}
790	<	ftInteger:
791	<	FieldList := FieldList +
792	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
793	<	' INTEGER'; {do not localize}
794	<	ftFloat, ftCurrency:
795	<	FieldList := FieldList +
796	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
797	<	' DOUBLE PRECISION'; {do not localize}
798	<	ftBCD: begin
799	<	if (Database.SQLDialect = 1) then begin
800	<	if (Precision > 9) then
801	<	IBError(ibxeFieldUnsupportedType,[nil]);
802	<	if (Precision <= 4) then
803	<	Precision := 9;
804	<	end;
805	<	if (Precision <= 4 ) then
806	<	FieldList := FieldList +
807	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
808	<	' Numeric(18, 4)' {do not localize}
809	<	else
810	<	FieldList := FieldList +
811	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
812	<	' Numeric(' + IntToStr(Precision) + ', 4)'; {do not localize}
813	<	end;
814	<	ftDate:
815	<	FieldList := FieldList +
816	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
817	<	' DATE'; {do not localize}
818	<	ftTime:
819	<	FieldList := FieldList +
820	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
821	<	' TIME'; {do not localize}
822	<	ftDateTime:
823	<	if (Database.SQLDialect = 1) then
824	<	FieldList := FieldList +
825	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
826	<	' DATE' {do not localize}
827	<	else
828	<	FieldList := FieldList +
829	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
830	<	' TIMESTAMP'; {do not localize}
831	<	ftLargeInt:
832	<	if (Database.SQLDialect = 1) then
833	<	IBError(ibxeFieldUnsupportedType,[nil])
834	<	else
835	<	FieldList := FieldList +
836	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
837	<	' Numeric(18, 0)'; {do not localize}
838	<	ftBlob, ftMemo:
839	<	FieldList := FieldList +
840	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
841	<	' BLOB SUB_TYPE 1'; {do not localize}
842	<	ftBytes, ftVarBytes, ftGraphic..ftTypedBinary:
843	<	FieldList := FieldList +
844	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
845	<	' BLOB SUB_TYPE 0'; {do not localize}
846	<	ftUnknown, ftADT, ftArray, ftReference, ftDataSet,
847	<	ftCursor, ftWideString, ftAutoInc:
848	<	IBError(ibxeFieldUnsupportedType,[nil]);
849	<	else
850	<	IBError(ibxeFieldUnsupportedType,[nil]);
851	<	end;
852	<	if faRequired in Attributes then
853	<	FieldList := FieldList + ' NOT NULL'; {do not localize}
854	<	end;
855	<	end;
856	<	end;
857	<
858	<	procedure InternalCreateTable;
859	<	var
860	<	I: Integer;
861	<	Query: TIBSQL;
862	<	begin
863	<	if (FieldList = '') then
864	<	IBError(ibxeFieldUnsupportedType,[nil]);
865	<	Query := TIBSQL.Create(self);
866	<	try
867	<	Query.Database := Database;
868	<	Query.transaction := Transaction;
869	<	Query.SQL.Text := 'Create Table ' +
870	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
871	<	' (' + FieldList; {do not localize}
872	<	for I := 0 to IndexDefs.Count - 1 do
873	<	with IndexDefs[I] do
874	<	if ixPrimary in Options then
875	<	begin
876	<	Query.SQL.Text := Query.SQL.Text + ', CONSTRAINT ' +
877	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
878	<	' Primary Key (' +
879	<	FormatFieldsList(Fields) +
880	<	')';
881	<	end;
882	<	Query.SQL.Text := Query.SQL.Text + ')';
883	<	Query.Prepare;
884	<	Query.ExecQuery;
885	<	finally
886	<	Query.Free;
887	<	end;
888	<	end;
889	<
890	<	procedure InternalCreateIndex;
891	<	var
892	<	I: Integer;
893	<	begin
894	<	for I := 0 to IndexDefs.Count - 1 do
895	<	with IndexDefs[I] do
896	<	if not (ixPrimary in Options) then
897	<	AddIndex(Name, Fields, Options);
898	<	end;
899	<
900	<	begin
901	<	CheckInactive;
902	<	InitFieldsList;
903	<	InternalCreateTable;
904	<	InternalCreateIndex;
905	<	end;
906	<
907	<	procedure TIBTable.DeleteTable;
908	<	var
909	<	Query: TIBSQL;
910	<	begin
911	<	CheckInactive;
912	<	Query := TIBSQL.Create(self);
913	<	try
914	<	Query.Database := DataBase;
915	<	Query.Transaction := Transaction;
916	<	Query.SQL.Text := 'drop table ' +  {do not localize}
917	<	QuoteIdentifier(DataBase.SQLDialect, FTableName);
918	<	Query.Prepare;
919	<	Query.ExecQuery;
920	<	finally
921	<	Query.Free;
922	<	end;
923	<	end;
924	<
925	<	procedure TIBTable.EmptyTable;
926	<	var
927	<	Query: TIBSQL;
928	<	begin
929	<	if Active then
930	<	CheckBrowseMode;
931	<	Query := TIBSQL.Create(self);
932	<	try
933	<	Query.Database := DataBase;
934	<	Query.Transaction := Transaction;
935	<	Query.SQL.Text := 'delete from ' + {do not localize}
936	<	QuoteIdentifier(DataBase.SQLDialect, FTableName);
937	<	Query.Prepare;
938	<	Query.ExecQuery;
939	<	if Active then
940	<	begin
941	<	ClearBuffers;
942	<	DataEvent(deDataSetChange, 0);
943	<	end;
944	<	finally
945	<	Query.Free;
946	<	end;
947	<	end;
948	<
949	<	procedure TIBTable.DataEvent(Event: TDataEvent; Info: Ptrint);
950	<	begin
951	<	if Event = dePropertyChange then begin
952	<	IndexDefs.Updated := False;
953	<	FRegenerateSQL := True;
954	<	end;
955	<	inherited DataEvent(Event, Info);
956	<	end;
957	<
958	<	{ Informational & Property }
959	<
960	<	function TIBTable.GetCanModify: Boolean;
961	<	begin
962	<	Result := True;
963	<	if (FTableName = '') or FReadOnly
964	<	or FSystemTable or FMultiTableView then
965	<	Result := False;
966	<	end;
967	<
968	<	function TIBTable.InternalGetUpdatable: Boolean;
969	<	var
970	<	Query : TIBSQL;
971	<	begin
972	<	Database.InternalTransaction.StartTransaction;
973	<	Query := TIBSQL.Create(self);
974	<	try
975	<	Query.Database := DataBase;
976	<	Query.Transaction := Database.InternalTransaction;
977	<	Query.SQL.Text := 'Select RDB$SYSTEM_FLAG, RDB$DBKEY_LENGTH ' + {do not localize}
978	<	'from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
979	<	'''' +
980	<	FormatIdentifierValue(Database.SQLDialect,
981	<	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
982	<	Query.Prepare;
983	<	Query.ExecQuery;
984	<	if (Query.Current[0].AsInteger <> 0) or
985	<	(Query.Current[1].AsInteger <> 8) then
986	<	Result := False
987	<	else
988	<	Result := True;
989	<	finally
990	<	Query.Free;
991	<	Database.InternalTransaction.Commit;
992	<	end;
993	<	end;
994	<
995	<	function TIBTable.FieldDefsStored: Boolean;
996	<	begin
997	<	Result := StoreDefs and (FieldDefs.Count > 0);
998	<	end;
999	<
1000	<	function TIBTable.IndexDefsStored: Boolean;
1001	<	begin
1002	<	Result := StoreDefs and (IndexDefs.Count > 0);
1003	<	end;
1004	<
1005	<	procedure TIBTable.SetParams;
1006	<	var
1007	<	i: Integer;
1008	<	begin
1009	<	if (MasterSource = nil) or (MasterSource.DataSet = nil) or
1010	<	(not MasterSource.DataSet.Active) or (FMasterFieldsList.Count = 0) then
1011	<	exit;
1012	<	for i := 0 to FMasterFieldsList.Count - 1 do
1013	<	QSelect.Params.ByName(FMasterFieldsList.Strings[i]).Value :=
1014	<	MasterSource.DataSet.FieldByName(FMasterFieldsList.Strings[i]).Value;
1015	<	end;
1016	<
1017	<	procedure TIBTable.MasterChanged(Sender: TObject);
1018	<	begin
1019	<	CheckBrowseMode;
1020	<	SetParams;
1021	<	ReQuery;
1022	<	end;
1023	<
1024	<	procedure TIBTable.MasterDisabled(Sender: TObject);
1025	<	begin
1026	<	DataEvent(dePropertyChange, 0);
1027	<	ReQuery;
1028	<	end;
1029	<
1030	<	function TIBTable.GetDataSource: TDataSource;
1031	<	begin
1032	<	Result := FMasterLink.DataSource;
1033	<	end;
1034	<
1035	<	procedure TIBTable.SetDataSource(Value: TDataSource);
1036	<	begin
1037	<	if IsLinkedTo(Value) then IBError(ibxeCircularDataLink, [Self]);
1038	<	if FMasterLink.DataSource <> Value then
1039	<	DataEvent(dePropertyChange, 0);
1040	<	FMasterLink.DataSource := Value;
1041	<	end;
1042	<
1043	<	function TIBTable.GetMasterFields: string;
1044	<	begin
1045	<	Result := FMasterLink.FieldNames;
1046	<	end;
1047	<
1048	<	procedure TIBTable.SetMasterFields(const Value: string);
1049	<	begin
1050	<	if FMasterLink.FieldNames <> Value then
1051	<	DataEvent(dePropertyChange, 0);
1052	<	FMasterLink.FieldNames := Value;
1053	<	end;
1054	<
1055	<	procedure TIBTable.DoOnNewRecord;
1056	<	var
1057	<	I: Integer;
1058	<	begin
1059	<	if FMasterLink.Active and (FMasterLink.Fields.Count > 0) then
1060	<	for I := 0 to FMasterLink.Fields.Count - 1 do
1061	<	IndexFields[I] := TField(FMasterLink.Fields[I]);
1062	<	inherited DoOnNewRecord;
1063	<	end;
1064	<
1065	<	function TIBTable.FormatFieldsList(Value: String): String;
1066	<	var
1067	<	FieldName: string;
1068	<	i: Integer;
1069	<	begin
1070	<	if Database.SQLDialect = 1 then begin
1071	<	Value := QuoteIdentifier(Database.SQLDialect, Value);
1072	<	Result := StringReplace (Value, ';', ', ', [rfReplaceAll]);
1073	<	end
1074	<	else begin
1075	<	i := 1;
1076	<	Result := '';
1077	<	while i <= Length(Value) do
1078	<	begin
1079	<	FieldName := ExtractFieldName(Value, i);
1080	<	if Result = '' then
1081	<	Result := QuoteIdentifier(Database.SQLDialect, FieldName)
1082	<	else
1083	<	Result := Result + ', ' + QuoteIdentifier(Database.SQLDialect, FieldName);
1084	<	end;
1085	<	end;
1086	<	end;
1087	<
1088	<	procedure TIBTable.ExtractLinkFields;
1089	<	var
1090	<	i: Integer;
1091	<	DetailFieldNames: String;
1092	<	begin
1093	<	FMasterFieldsList.Clear;
1094	<	FDetailFieldsList.Clear;
1095	<	i := 1;
1096	<	while i <= Length(MasterFields) do
1097	<	FMasterFieldsList.Add(ExtractFieldName(MasterFields, i));
1098	<	i := 1;
1099	<	if IndexFieldNames = '' then
1100	<	DetailFieldNames := FPrimaryIndexFields
1101	<	else
1102	<	DetailFieldNames := IndexFieldNames;
1103	<	while i <= Length(DetailFieldNames) do
1104	<	FDetailFieldsList.Add(ExtractFieldName(DetailFieldNames, i));
1105	<	end;
1106	<
1107	<	procedure TIBTable.GetDetailLinkFields(MasterFields, DetailFields: TList);
1108	<	var
1109	<	i: Integer;
1110	<	Idx: TIndexDef;
1111	<	begin
1112	<	MasterFields.Clear;
1113	<	DetailFields.Clear;
1114	<	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and
1115	<	(Self.MasterFields <> '') then
1116	<	begin
1117	<	Idx := nil;
1118	<	MasterSource.DataSet.GetFieldList(MasterFields, Self.MasterFields);
1119	<	UpdateIndexDefs;
1120	<	if IndexName <> '' then
1121	<	Idx := IndexDefs.Find(IndexName)
1122	<	else if IndexFieldNames <> '' then
1123	<	Idx := IndexDefs.GetIndexForFields(IndexFieldNames, False)
1124	<	else
1125	<	for i := 0 to IndexDefs.Count - 1 do
1126	<	if ixPrimary in IndexDefs[i].Options then
1127	<	begin
1128	<	Idx := IndexDefs[i];
1129	<	break;
1130	<	end;
1131	<	if Idx <> nil then
1132	<	GetFieldList(DetailFields, Idx.Fields);
1133	<	end;
1134	<	end;
1135	<
1136	<	procedure TIBTable.SetReadOnly(Value: Boolean);
1137	<	begin
1138	<	CheckInactive;
1139	<	FReadOnly := Value;
1140	<	end;
1141	<
1142	<	procedure TIBTable.SetTableName(Value: String);
1143	<	begin
1144	<	if not (csReading in ComponentState) then
1145	<	begin
1146	<	CheckInactive;
1147	<	if Value <> FTableName then
1148	<	begin
1149	<	ResetSQLStatements;
1150	<	FRegenerateSQL := True;
1151	<	FTableName := Value;
1152	<	IndexName := '';
1153	<	IndexFieldNames := '';
1154	<	FPrimaryIndexFields := '';
1155	<	DataEvent(dePropertyChange, 0);
1156	<	end;
1157	<	end
1158	<	else if Value <> FTableName then
1159	<	FTableName := Value;
1160	<	end;
1161	<
1162	<	function TIBTable.GetIndexField(Index: Integer): TField;
1163	<	var
1164	<	I, Count: Integer;
1165	<	FieldNames, FieldName: String;
1166	<	begin
1167	<	Result := nil;
1168	<	FieldName := '';
1169	<	FieldNames := IndexFieldNames;
1170	<	if FieldNames = '' then
1171	<	begin
1172	<	for I := 0 to IndexDefs.Count - 1 do
1173	<	if (IndexDefs[i].Name = FIndexName) then
1174	<	begin
1175	<	FieldNames := IndexDefs[i].Fields;
1176	<	break;
1177	<	end;
1178	<	end;
1179	<	for I := 0 to Index do
1180	<	begin
1181	<	Count := Pos(';', FieldNames); {mbcs OK}
1182	<	if Count = 0 then
1183	<	FieldName := FieldNames
1184	<	else begin
1185	<	FieldName := Copy(FieldNames, 0, Count - 1);
1186	<	System.Delete(FieldNames, 1, Count);
1187	<	end;
1188	<	end;
1189	<	if FieldName <> '' then
1190	<	Result := FieldByName(FieldName)
1191	<	else
1192	<	IBError(ibxeIndexFieldMissing, [nil]);
1193	<	end;
1194	<
1195	<
1196	<	procedure TIBTable.SetIndexField(Index: Integer; Value: TField);
1197	<	begin
1198	<	GetIndexField(Index).Assign(Value);
1199	<	end;
1200	<
1201	<	function TIBTable.GetIndexFieldCount: Integer;
1202	<	var
1203	<	I, Index: Integer;
1204	<	FieldNames: String;
1205	<	done: Boolean;
1206	<	begin
1207	<	FieldNames := IndexFieldNames;
1208	<	if FieldNames = '' then
1209	<	begin
1210	<	for I := 0 to IndexDefs.Count - 1 do
1211	<	if (IndexDefs[i].Name = FIndexName) then
1212	<	begin
1213	<	FieldNames := IndexDefs[i].Fields;
1214	<	break;
1215	<	end;
1216	<	end;
1217	<	if FieldNames = '' then
1218	<	Result := 0
1219	<	else
1220	<	begin
1221	<	done := False;
1222	<	Result := 1;
1223	<	while not done do
1224	<	begin
1225	<	Index := Pos(';', FieldNames); {mbcs ok}
1226	<	if Index <> 0 then
1227	<	begin
1228	<	System.Delete(FieldNames, 1, Index);
1229	<	Inc(Result);
1230	<	end else
1231	<	done := True;
1232	<	end;
1233	<	end;
1234	<	end;
1235	<
1236	<	function TIBTable.GetTableNames: TStrings;
1237	<	begin
1238	<	FNameList.clear;
1239	<	GetTableNamesFromServer;
1240	<	Result := FNameList;
1241	<	end;
1242	<
1243	<	procedure TIBTable.GetTableNamesFromServer;
1244	<	var
1245	<	Query : TIBSQL;
1246	<	begin
1247	<	if not (csReading in ComponentState) then begin
1248	<	ActivateConnection;
1249	<	Database.InternalTransaction.StartTransaction;
1250	<	Query := TIBSQL.Create(self);
1251	<	try
1252	<	Query.GoToFirstRecordOnExecute := False;
1253	<	Query.Database := DataBase;
1254	<	Query.Transaction := Database.InternalTransaction;
1255	<	if (TableTypes * [ttSystem, ttView] = [ttSystem, ttView]) then
1256	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' {do not localize}
1257	<	else if ttSystem in TableTypes then
1258	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1259	<	' where RDB$VIEW_BLR is NULL' {do not localize}
1260	<	else if ttView in TableTypes then
1261	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1262	<	' where RDB$SYSTEM_FLAG = 0' {do not localize}
1263	<	else
1264	<	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1265	<	' where RDB$VIEW_BLR is NULL and RDB$SYSTEM_FLAG = 0'; {do not localize}
1266	<	Query.Prepare;
1267	<	Query.ExecQuery;
1268	<	while (not Query.EOF) and (Query.Next <> nil) do
1269	<	FNameList.Add (TrimRight(Query.Current[0].AsString));
1270	<	finally
1271	<	Query.Free;
1272	<	Database.InternalTransaction.Commit;
1273	<	end;
1274	<	end;
1275	<	end;
1276	<
1277	<	procedure TIBTable.SwitchToIndex();
1278	<	begin
1279	<	FSwitchingIndex := True;
1280	<	InternalTableRefresh;
1281	<	FSwitchingIndex := False;
1282	<	end;
1283	<
1284	<	procedure TIBTable.InternalTableRefresh();
1285	<	var
1286	<	DBKey: TIBDBKey;
1287	<	begin
1288	<	CheckActive;
1289	<	DBKey := CurrentDBKey;
1290	<	FRegenerateSQL := True;
1291	<	Reopen;
1292	<	if DBKey.DBKey[0] <> 0 then
1293	<	InternalGotoDBKey(DBKey);
1294	<	end;
1295	<
1296	<	procedure TIBTable.GenerateSQL;
1297	<	var
1298	<	i: Integer;
1299	<	SQL: TStrings;
1300	<	OrderByStr: string;
1301	<	bWhereClausePresent: Boolean;
1302	<	begin
1303	<	bWhereClausePresent := False;
1304	<	Database.CheckActive;
1305	<	Transaction.CheckInTransaction;
1306	<	if IndexDefs.Updated = False then
1307	<	IndexDefs.Update;
1308	<	if IndexFieldNames <> '' then
1309	<	OrderByStr := FormatFieldsList(IndexFieldNames)
1310	<	else if IndexName <> '' then
1311	<	OrderByStr := FormatFieldsList(IndexDefs[IndexDefs.Indexof (IndexName)].Fields)
1312	<	else if FDefaultIndex and (FPrimaryIndexFields <> '') then
1313	<	OrderByStr := FormatFieldsList(FPrimaryIndexFields);
1314	<	SQL := TStringList.Create;
1315	<	SQL.Text := 'select ' + {do not localize}
1316	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1317	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1318	<	+ QuoteIdentifier(DataBase.SQLDialect, FTableName);
1319	<	if Filtered and (Filter <> '') then
1320	<	begin
1321	<	SQL.Text := SQL.Text + ' where ' + Filter; {do not localize}
1322	<	bWhereClausePresent := True;
1323	<	end;
1324	<	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and (MasterFields <> '') then
1325	<	begin
1326	<	if bWhereClausePresent then
1327	<	SQL.Text := SQL.Text + ' AND ' {do not localize}
1328	<	else
1329	<	SQL.Text := SQL.Text + ' WHERE '; {do not localize}
1330	<	ExtractLinkfields;
1331	<	if FDetailFieldsList.Count < FMasterFieldsList.Count then
1332	<	IBError(ibxeUnknownError, [nil]);
1333	<	for i := 0 to FMasterFieldsList.Count - 1 do
1334	<	begin
1335	<	if i > 0 then
1336	<	SQL.Text := SQL.Text + 'AND ';
1337	<	SQL.Text := SQL.Text +
1338	<	QuoteIdentifier(DataBase.SQLDialect, FDetailFieldsList.Strings[i]) +
1339	<	' = :' +
1340	<	QuoteIdentifier(DataBase.SQLDialect, FMasterFieldsList.Strings[i]);
1341	<	end;
1342	<	end;
1343	<	if OrderByStr <> '' then
1344	<	SQL.Text := SQL.Text + ' order by ' + OrderByStr; {do not localize}
1345	<	SelectSQL.Assign(SQL);
1346	<	RefreshSQL.Text := 'select ' + {do not localize}
1347	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1348	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1349	<	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1350	<	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1351	<	WhereDBKeyRefreshSQL.Assign(RefreshSQL);
1352	<	InternalPrepare;
1353	<	SQL.Free;
1354	<	end;
1355	<
1356	<	procedure TIBTable.GenerateUpdateSQL;
1357	<	var
1358	<	InsertFieldList, InsertParamList, UpdateFieldList: string;
1359	<	WherePrimaryFieldList, WhereAllFieldList: string;
1360	<
1361	<	procedure GenerateFieldLists;
1362	<	var
1363	<	I: Integer;
1364	<	begin
1365	<	for I := 0 to FieldDefs.Count - 1 do begin
1366	<	with FieldDefs[I] do begin
1367	<	if not (InternalCalcField or (faReadOnly in Attributes) or
1368	<	(DataType = ftUnknown)) then
1369	<	begin
1370	<	if ( InsertFieldList <> '' ) then begin
1371	<	InsertFieldList := InsertFieldList + ', ';
1372	<	InsertParamList := InsertParamList + ', ';
1373	<	UpdateFieldList := UpdateFieldList + ', ';
1374	<	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1375	<	WhereAllFieldList := WhereAllFieldList + ' AND ';
1376	<	end;
1377	<	InsertFieldList := InsertFieldList +
1378	<	QuoteIdentifier(DataBase.SQLDialect, Name);
1379	<	InsertParamList := InsertParamList + ':' +
1380	<	QuoteIdentifier(DataBase.SQLDialect, Name);
1381	<	UpdateFieldList := UpdateFieldList +
1382	<	QuoteIdentifier(DataBase.SQLDialect, Name) +
1383	<	' = :' +
1384	<	QuoteIdentifier(DataBase.SQLDialect, Name);
1385	<	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1386	<	WhereAllFieldList := WhereAllFieldList +
1387	<	QuoteIdentifier(DataBase.SQLDialect, Name) + ' = :' +
1388	<	QuoteIdentifier(DataBase.SQLDialect, Name);{do not localize}
1389	<	end;
1390	<	end;
1391	<	end;
1392	<	end;
1393	<
1394	<	procedure GenerateWherePrimaryFieldList;
1395	<	var
1396	<	i: Integer;
1397	<	tmp: String;
1398	<	begin
1399	<	i := 1;
1400	<	while i <= Length(FPrimaryIndexFields) do
1401	<	begin
1402	<	tmp := ExtractFieldName(FPrimaryIndexFields, i);
1403	<	tmp :=
1404	<	QuoteIdentifier(DataBase.SQLDialect, tmp) +  ' = :' +
1405	<	QuoteIdentifier(DataBase.SQLDialect, tmp);{do not localize}
1406	<	if WherePrimaryFieldList <> '' then
1407	<	WherePrimaryFieldList :=
1408	<	WherePrimaryFieldList + ' AND ' + tmp
1409	<	else
1410	<	WherePrimaryFieldList := tmp;
1411	<	end;
1412	<	end;
1413	<
1414	<	begin
1415	<	if InternalGetUpdatable = False  then
1416	<	FReadOnly := True
1417	<	else
1418	<	begin
1419	<	DeleteSQL.Text := 'delete from ' + {do not localize}
1420	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1421	<	' where RDB$DB_KEY = ' + ':IBX_INTERNAL_DBKEY'; {do not localize}
1422	<	GenerateFieldLists;
1423	<	InsertSQL.Text := 'insert into ' + {do not localize}
1424	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1425	<	' (' + InsertFieldList + {do not localize}
1426	<	') values (' + InsertParamList + ')'; {do not localize}
1427	<	ModifySQL.Text := 'update ' +
1428	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1429	<	' set ' + UpdateFieldList + {do not localize}
1430	<	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1431	<	WhereAllRefreshSQL.Text := 'select ' +  {do not localize}
1432	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, '
1433	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1434	<	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1435	<	' where ' + WhereAllFieldList; {do not localize}
1436	<	if FPrimaryIndexFields <> '' then
1437	<	begin
1438	<	GenerateWherePrimaryFieldList;
1439	<	WherePrimaryRefreshSQL.Text := 'select ' + {do not localize}
1440	<	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1441	<	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1442	<	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1443	<	' where ' + WherePrimaryFieldList; {do not localize}
1444	<	end;
1445	<	try
1446	<	InternalPrepare;
1447	<	except
1448	<	FReadonly := True;
1449	<	end;
1450	<	end;
1451	<	end;
1452	<
1453	<	procedure TIBTable.ResetSQLStatements;
1454	<	begin
1455	<	SelectSQL.Text := '';
1456	<	DeleteSQL.Text := '';
1457	<	InsertSQL.Text := '';
1458	<	ModifySQL.Text := '';
1459	<	RefreshSQL.Text := '';
1460	<	end;
1461	<
1462	<	procedure TIBTable.SetTableTypes(
1463	<	const Value: TIBTableTypes);
1464	<	begin
1465	<	FTableTypes := Value;
1466	<	end;
1467	<
1468	<	function TIBTable.InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
1469	<
1470	<	function DBKeyCompare (DBKey1, DBKey2: TIBDBKey): Boolean;
1471	<	var
1472	<	I: Integer;
1473	<	begin
1474	<	for I := 0 to 7 do
1475	<	if (DBKey1.DBKey[i] <> DBKey2.DBKey[i]) then begin
1476	<	result := False;
1477	<	exit;
1478	<	end;
1479	<	result := True;
1480	<	end;
1481	<	begin
1482	<	CheckActive;
1483	<	DisableControls;
1484	<	try
1485	<	result := False;
1486	<	First;
1487	<	while ((not result) and (not EOF)) do begin
1488	<	if (DBKeyCompare (DBKey, PRecordData(GetActiveBuf)^.rdDBKey)) then
1489	<	result := True
1490	<	else
1491	<	Next;
1492	<	end;
1493	<	if not result then
1494	<	First
1495	<	else
1496	<	CursorPosChanged;
1497	<	finally
1498	<	EnableControls;
1499	<	end;
1500	<	end;
1501	<
1502	<	function TIBTable.GetCurrentDBKey: TIBDBKey;
1503	<	var
1504	<	Buf: pChar;
1505	<	begin
1506	<	CheckActive;
1507	<	buf := GetActiveBuf;
1508	<	if Buf <> nil then
1509	<	Result := PRecordData(Buf)^.rdDBKey
1510	<	else
1511	<	Result.DBKey[0] := 0;
1512	<	end;
1513	<
1514	<	procedure TIBTable.Reopen;
1515	<	begin
1516	<	DisableControls;
1517	<	try
1518	<	if Active then
1519	<	begin
1520	<	SetState(dsInactive);
1521	<	CloseCursor;
1522	<	OpenCursor(false);
1523	<	SetState(dsBrowse);
1524	<	end;
1525	<	finally
1526	<	EnableControls;
1527	<	end;
1528	<	end;
1529	<
1530	<	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	>	IBSQL, IBUtils;
42	>
43	>	type
44	>
45	>	{ TIBTable }
46	>
47	>	TIBTableType = (ttSystem, ttView);
48	>	TIBTableTypes = set of TIBTableType;
49	>	TIndexName = String;
50	>
51	>	TIBTable = class;
52	>
53	>	TIBTable = class(TIBCustomDataSet)
54	>	private
55	>	FSystemTable: Boolean;
56	>	FMultiTableView: Boolean;
57	>	FMasterLink: TMasterDataLink;
58	>	FMasterFieldsList: TStringList;
59	>	FDetailFieldsList: TStringList;
60	>	FStoreDefs: Boolean;
61	>	FIndexDefs: TIndexDefs;
62	>	FDefaultIndex: Boolean;
63	>	FReadOnly: Boolean;
64	>	FFieldsIndex: Boolean;
65	>	FTableName: String;
66	>	FIndexName: TIndexName;
67	>	FRegenerateSQL: Boolean;
68	>	FNameList: TStrings;
69	>	FSwitchingIndex: Boolean;
70	>	FPrimaryIndexFields: string;
71	>	FTableTypes: TIBTableTypes;
72	>	WhereAllRefreshSQL: TStrings;
73	>	WhereDBKeyRefreshSQL: TStrings;
74	>	WherePrimaryRefreshSQL: TStrings;
75	>
76	>	function GetIndexFieldCount: Integer;
77	>	function GetIndexField(Index: Integer): TField;
78	>	procedure MasterChanged(Sender: TObject);
79	>	procedure MasterDisabled(Sender: TObject);
80	>	procedure SetDataSource(Value: TDataSource);
81	>	procedure SetIndexField(Index: Integer; Value: TField);
82	>	procedure SetIndexFieldNames(const Value: string);
83	>	procedure GenerateSQL;
84	>	procedure GenerateUpdateSQL;
85	>	procedure SwitchToIndex();
86	>	procedure InternalTableRefresh();
87	>	function GetTableNames: TStrings;
88	>	procedure GetTableNamesFromServer;
89	>	procedure SetTableTypes(
90	>	const Value: TIBTableTypes);
91	>	function InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
92	>	function FormatFieldsList(Value: string): string;
93	>	function GetCurrentDBKey: TIBDBKey;
94	>	function InternalGetUpdatable: Boolean;
95	>	function GetExists: Boolean;
96	>	procedure SetIndexDefs(Value: TIndexDefs);
97	>	procedure ExtractLinkFields;
98	>	function FieldDefsStored: Boolean;
99	>	function IndexDefsStored: Boolean;
100	>	function GetMasterFields: string;
101	>	procedure SetMasterFields(const Value: string);
102	>	function GetIndexFieldNames: string;
103	>	function GetIndexName: string;
104	>	procedure SetIndexName(const Value: string);
105	>	procedure SetParams;
106	>	procedure SetReadOnly(Value: Boolean);
107	>	procedure SetTableName(Value: String);
108	>	procedure SetIndex(const Value: string; FieldsIndex: Boolean);
109	>	procedure ResetSQLStatements;
110	>	procedure Reopen;
111	>
112	>	protected
113	>
114	>	procedure DoOnNewRecord; override;
115	>	procedure GetIndexParams(const IndexName: string; FieldsIndex: Boolean;
116	>	var IndexedName: string);
117	>	function GetCanModify: Boolean; override;
118	>	procedure UpdateIndexDefs; override;
119	>	procedure DataEvent(Event: TDataEvent; Info: Ptrint); override;
120	>	procedure DefChanged(Sender: TObject); virtual;
121	>	function GetDataSource: TDataSource; override;
122	>	procedure InitFieldDefs; override;
123	>	procedure InternalClose; override;
124	>	procedure InternalOpen; override;
125	>	procedure InternalRefresh; override;
126	>	procedure SetFiltered(Value: Boolean); override;
127	>	procedure SetFilterText(const Value: string); override;
128	>	procedure SetFilterOptions(Value: TFilterOptions); override;
129	>	procedure InternalRefreshRow; override;
130	>
131	>	public
132	>	constructor Create(AOwner: TComponent); override;
133	>	destructor Destroy; override;
134	>	procedure AddIndex(const Name, Fields: string; Options: TIndexOptions;
135	>	const DescFields: string = '');
136	>	procedure CreateTable;
137	>	procedure DeleteIndex(const Name: string);
138	>	procedure DeleteTable;
139	>	procedure EmptyTable;
140	>	procedure GetDetailLinkFields(MasterFields, DetailFields: TList); virtual;
141	>	procedure GetIndexNames(List: TStrings);
142	>	procedure GotoCurrent(Table: TIBTable);
143	>	property CurrentDBKey: TIBDBKey read GetCurrentDBKey;
144	>	property Exists: Boolean read GetExists;
145	>	property IndexFieldCount: Integer read GetIndexFieldCount;
146	>	property IndexFields[Index: Integer]: TField read GetIndexField write SetIndexField;
147	>	property TableNames: TStrings read GetTableNames;
148	>
149	>	published
150	>	property AutoCommit;
151	>	property Active;
152	>	property BufferChunks;
153	>	property CachedUpdates;
154	>	//    property Constraints stored ConstraintsStored;
155	>	property DefaultIndex: Boolean read FDefaultIndex write FDefaultIndex default True;
156	>	property FieldDefs stored FieldDefsStored;
157	>	property Filter;
158	>	property Filtered;
159	>	property IndexDefs: TIndexDefs read FIndexDefs write SetIndexDefs stored IndexDefsStored;
160	>	property IndexFieldNames: string read GetIndexFieldNames write SetIndexFieldNames;
161	>	property IndexName: string read GetIndexName write SetIndexName;
162	>	property MasterFields: string read GetMasterFields write SetMasterFields;
163	>	property MasterSource: TDataSource read GetDataSource write SetDataSource;
164	>	property ReadOnly: Boolean read FReadOnly write SetReadOnly default False;
165	>	property StoreDefs: Boolean read FStoreDefs write FStoreDefs default False;
166	>	property TableName: String read FTableName write SetTableName;
167	>	property TableTypes: TIBTableTypes read FTableTypes write SetTableTypes default [];
168	>	property UpdateObject;
169	>	property UniDirectional;
170	>
171	>	property BeforeDatabaseDisconnect;
172	>	property AfterDatabaseDisconnect;
173	>	property DatabaseFree;
174	>	property BeforeTransactionEnd;
175	>	property AfterTransactionEnd;
176	>	property TransactionFree;
177	>	property OnFilterRecord;
178	>	end;
179	>
180	>	implementation
181	>
182	>	{ TIBTable }
183	>
184	>	constructor TIBTable.Create(AOwner: TComponent);
185	>	begin
186	>	inherited Create(AOwner);
187	>	FNameList := TStringList.Create;
188	>	FSwitchingIndex := False;
189	>	FIndexDefs := TIndexDefs.Create(Self);
190	>	WhereAllRefreshSQL := TStringList.Create;
191	>	WhereDBKeyRefreshSQL := TStringList.Create;
192	>	WherePrimaryRefreshSQL := TStringList.Create;
193	>	FDefaultIndex := True;
194	>	FRegenerateSQL := True;
195	>	FMasterFieldsList := TStringList.Create;
196	>	FDetailFieldsList := TStringList.Create;
197	>	FMasterLink := TMasterDataLink.Create(Self);
198	>	FMasterLink.OnMasterChange := MasterChanged;
199	>	FMasterLink.OnMasterDisable := MasterDisabled;
200	>	QRefresh.OnSQLChanging := nil;
201	>	QDelete.OnSQLChanging := nil;
202	>	QInsert.OnSQLChanging := nil;
203	>	QModify.OnSQLChanging := nil;
204	>	end;
205	>
206	>	destructor TIBTable.Destroy;
207	>	begin
208	>	FNameList.Free;
209	>	FIndexDefs.Free;
210	>	FMasterFieldsList.Free;
211	>	FDetailFieldsList.Free;
212	>	FMasterLink.Free;
213	>	WhereAllRefreshSQL.Free;
214	>	WhereDBKeyRefreshSQL.Free;
215	>	WherePrimaryRefreshSQL.Free;
216	>	inherited Destroy;
217	>	end;
218	>
219	>	procedure TIBTable.InternalClose;
220	>	begin
221	>	DataEvent(dePropertyChange, 0);
222	>	inherited InternalClose;
223	>	end;
224	>
225	>	procedure TIBTable.InternalOpen;
226	>	begin
227	>	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
228	>	ActivateConnection;
229	>	ActivateTransaction;
230	>	if FRegenerateSQL then
231	>	begin
232	>	InternalUnprepare;
233	>	GenerateSQL;
234	>	if not FReadOnly then
235	>	GenerateUpdateSQL;
236	>	FRegenerateSQL := False;
237	>	end;
238	>	{  writeln(SelectSQL.Text);
239	>	writeln(InsertSQL.Text);
240	>	writeln(DeleteSQL.Text);
241	>	writeln(ModifySQL.Text); }
242	>	SetParams;
243	>	inherited InternalOpen;
244	>	end;
245	>
246	>	procedure TIBTable.InternalRefresh;
247	>	var
248	>	DBKey: TIBDBKey;
249	>	begin
250	>	DBKey := CurrentDBKey;
251	>	Reopen;
252	>	if DBKey.DBKey[0] <> 0 then
253	>	InternalGotoDBKey(DBKey);
254	>	end;
255	>
256	>	procedure TIBTable.SetFiltered(Value: Boolean);
257	>	begin
258	>	if(Filtered <> Value) then
259	>	begin
260	>	inherited SetFiltered(value);
261	>	if Active then
262	>	InternalTableRefresh;
263	>	end
264	>	else
265	>	inherited SetFiltered(value);
266	>	end;
267	>
268	>	procedure TIBTable.SetFilterText(const Value: string);
269	>	begin
270	>	if Filtered and (Value <> Filter) then
271	>	begin
272	>	inherited SetFilterText(value);
273	>	InternalTableRefresh;
274	>	end
275	>	else
276	>	inherited SetFilterText(value);
277	>	end;
278	>
279	>	procedure TIBTable.SetFilterOptions(Value: TFilterOptions);
280	>	begin
281	>	if Value <> [] then
282	>	IBError(ibxeNotSupported, [nil]);
283	>	end;
284	>
285	>	procedure TIBTable.InternalRefreshRow;
286	>	begin
287	>	if CurrentDBKey.DBKey[0] <> 0 then
288	>	QRefresh.SQL.Assign(WhereDBKeyRefreshSQL)
289	>	else if WherePrimaryRefreshSQL.Text <> '' then
290	>	QRefresh.SQL.Assign(WherePrimaryRefreshSQL)
291	>	else
292	>	QRefresh.SQL.Assign(WhereAllRefreshSQL);
293	>	inherited InternalRefreshRow;
294	>	end;
295	>
296	>	procedure TIBTable.DefChanged(Sender: TObject);
297	>	begin
298	>	StoreDefs := True;
299	>	end;
300	>
301	>	procedure TIBTable.InitFieldDefs;
302	>	var
303	>	DidActivate: Boolean;
304	>	Query: TIBSQL;
305	>	begin
306	>	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
307	>	if (InternalPrepared) then
308	>	InternalInitFieldDefs
309	>	else
310	>	begin
311	>	{Get the field defs from a simple query on the table}
312	>	ActivateConnection;
313	>	Query := TIBSQL.Create(self);
314	>	try
315	>	Query.Database := DataBase;
316	>	Query.Transaction := Database.InternalTransaction;
317	>	DidActivate := false;
318	>	Query.SQL.Text := 'Select * from ' + QuoteIdentifier(DataBase.SQLDialect, FTableName);
319	>	with Query.Transaction do
320	>	begin
321	>	if not InTransaction then
322	>	begin
323	>	StartTransaction;
324	>	DidActivate := true
325	>	end;
326	>	end;
327	>	Query.Prepare;
328	>	if DidActivate then
329	>	Query.Transaction.Rollback;
330	>	FieldDefsFromQuery(Query);
331	>	finally
332	>	Query.Free;
333	>	end;
334	>	end;
335	>	end;
336	>
337	>	{ Index / Ranges / Keys }
338	>
339	>	procedure TIBTable.AddIndex(const Name, Fields: string; Options: TIndexOptions;
340	>	const DescFields: string);
341	>	var
342	>	Query: TIBSQL;
343	>	FieldList: string;
344	>	begin
345	>	FieldDefs.Update;
346	>	if Active then begin
347	>	CheckBrowseMode;
348	>	CursorPosChanged;
349	>	end;
350	>	Query := TIBSQL.Create(self);
351	>	try
352	>	Query.Database := DataBase;
353	>	Query.Transaction := Transaction;
354	>	FieldList := FormatFieldsList(Fields);
355	>	if (ixPrimary in Options) then
356	>	begin
357	>	Query.SQL.Text := 'Alter Table ' + {do not localize}
358	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
359	>	' Add CONSTRAINT ' +   {do not localize}
360	>	QuoteIdentifier(Database.SQLDialect, Name)
361	>	+ ' Primary Key (' + {do not localize}
362	>	FormatFieldsList(Fields) +
363	>	')';
364	>	end
365	>	else if ([ixUnique, ixDescending] * Options = [ixUnique, ixDescending]) then
366	>	Query.SQL.Text := 'Create unique Descending Index ' + {do not localize}
367	>	QuoteIdentifier(Database.SQLDialect, Name) +
368	>	' on ' + {do not localize}
369	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
370	>	' (' + FieldList + ')'
371	>	else if (ixUnique in Options) then
372	>	Query.SQL.Text := 'Create unique Index ' + {do not localize}
373	>	QuoteIdentifier(Database.SQLDialect, Name) +
374	>	' on ' + {do not localize}
375	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
376	>	' (' + FieldList + ')'
377	>	else if (ixDescending in Options) then
378	>	Query.SQL.Text := 'Create Descending Index ' + {do not localize}
379	>	QuoteIdentifier(Database.SQLDialect, Name) +
380	>	' on ' + {do not localize}
381	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
382	>	' (' + FieldList + ')'
383	>	else
384	>	Query.SQL.Text := 'Create Index ' + {do not localize}
385	>	QuoteIdentifier(Database.SQLDialect, Name) +
386	>	' on ' + {do not localize}
387	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
388	>	' (' + FieldList + ')';
389	>	Query.Prepare;
390	>	Query.ExecQuery;
391	>	IndexDefs.Updated := False;
392	>	finally
393	>	Query.free
394	>	end;
395	>	end;
396	>
397	>	procedure TIBTable.DeleteIndex(const Name: string);
398	>	var
399	>	Query: TIBSQL;
400	>
401	>	procedure DeleteByIndex;
402	>	begin
403	>	Query := TIBSQL.Create(self);
404	>	try
405	>	Query.Database := DataBase;
406	>	Query.Transaction := Transaction;
407	>	Query.SQL.Text := 'Drop index ' +  {do not localize}
408	>	QuoteIdentifier(Database.SQLDialect, Name);
409	>	Query.Prepare;
410	>	Query.ExecQuery;
411	>	IndexDefs.Updated := False;
412	>	finally
413	>	Query.Free;
414	>	end;
415	>	end;
416	>
417	>	function DeleteByConstraint: Boolean;
418	>	begin
419	>	Result := False;
420	>	Query := TIBSQL.Create(self);
421	>	try
422	>	Query.Database := DataBase;
423	>	Query.Transaction := Transaction;
424	>	Query.SQL.Text := 'Select ''foo'' from RDB$RELATION_CONSTRAINTS ' +
425	>	'where RDB$RELATION_NAME = ' +
426	>	'''' +
427	>	FormatIdentifierValue(Database.SQLDialect,
428	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
429	>	''' ' +
430	>	' AND RDB$CONSTRAINT_NAME = ' +
431	>	'''' +
432	>	FormatIdentifierValue(Database.SQLDialect,
433	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
434	>	''' ' +
435	>	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
436	>	Query.Prepare;
437	>	Query.ExecQuery;
438	>	if not Query.EOF then
439	>	begin
440	>	Query.Close;
441	>	Query.SQL.Text := 'Alter Table ' +  {do not localize}
442	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
443	>	' Drop Constraint ' +
444	>	QuoteIdentifier(DataBase.SQLDialect, Name);
445	>	Query.Prepare;
446	>	Query.ExecQuery;
447	>	IndexDefs.Updated := False;
448	>	Result := True;
449	>	end;
450	>	finally
451	>	Query.Free;
452	>	end;
453	>	end;
454	>
455	>	procedure DeleteByKey;
456	>	begin
457	>	Query := TIBSQL.Create(self);
458	>	try
459	>	Query.Database := DataBase;
460	>	Query.Transaction := Transaction;
461	>	Query.SQL.Text := 'Select RDB$CONSTRAINT_NAME from RDB$RELATION_CONSTRAINTS ' +
462	>	'where RDB$RELATION_NAME = ' +
463	>	'''' +
464	>	FormatIdentifierValue(Database.SQLDialect,
465	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
466	>	''' ' +
467	>	'AND RDB$INDEX_NAME = ' +
468	>	'''' +
469	>	FormatIdentifierValue(Database.SQLDialect,
470	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
471	>	''' ' +
472	>	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
473	>	Query.Prepare;
474	>	Query.ExecQuery;
475	>	if not Query.EOF then
476	>	begin
477	>	Query.Close;
478	>	Query.SQL.Text := 'Alter Table ' +  {do not localize}
479	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
480	>	' Drop Constraint ' +
481	>	QuoteIdentifier(DataBase.SQLDialect, Query.Current.ByName('RDB$CONSTRAINT_NAME').AsString);
482	>	Query.Prepare;
483	>	Query.ExecQuery;
484	>	IndexDefs.Updated := False;
485	>	end;
486	>	finally
487	>	Query.Free;
488	>	end;
489	>	end;
490	>
491	>	begin
492	>	if Active then
493	>	CheckBrowseMode;
494	>	IndexDefs.Update;
495	>	if (Pos('RDB$PRIMARY', Name) <> 0 ) then {do not localize} {mbcs ok}
496	>	DeleteByKey
497	>	else if not DeleteByConstraint then
498	>	DeleteByIndex;
499	>	end;
500	>
501	>	function TIBTable.GetIndexFieldNames: string;
502	>	begin
503	>	if FFieldsIndex then Result := FIndexName else Result := '';
504	>	end;
505	>
506	>	function TIBTable.GetIndexName: string;
507	>	begin
508	>	if FFieldsIndex then Result := '' else Result := FIndexName;
509	>	end;
510	>
511	>	procedure TIBTable.GetIndexNames(List: TStrings);
512	>	begin
513	>	IndexDefs.Update;
514	>	IndexDefs.GetItemNames(List);
515	>	end;
516	>
517	>	procedure TIBTable.GetIndexParams(const IndexName: string;
518	>	FieldsIndex: Boolean; var IndexedName: string);
519	>	var
520	>	IndexStr: TIndexName;
521	>	begin
522	>	if IndexName <> '' then
523	>	begin
524	>	IndexDefs.Update;
525	>	IndexStr := IndexName;
526	>	if FieldsIndex then
527	>	IndexStr := IndexDefs.FindIndexForFields(IndexName).Name;
528	>	end;
529	>	IndexedName := IndexStr;
530	>	end;
531	>
532	>	procedure TIBTable.SetIndexDefs(Value: TIndexDefs);
533	>	begin
534	>	IndexDefs.Assign(Value);
535	>	end;
536	>
537	>	procedure TIBTable.SetIndex(const Value: string; FieldsIndex: Boolean);
538	>	begin
539	>	if Active then CheckBrowseMode;
540	>	if (FIndexName <> Value) or (FFieldsIndex <> FieldsIndex) then
541	>	begin
542	>	FIndexName := Value;
543	>	FFieldsIndex := FieldsIndex;
544	>	if Active then
545	>	begin
546	>	SwitchToIndex;
547	>	end;
548	>	end;
549	>	end;
550	>
551	>	procedure TIBTable.SetIndexFieldNames(const Value: string);
552	>	begin
553	>	SetIndex(Value, Value <> '');
554	>	end;
555	>
556	>	procedure TIBTable.SetIndexName(const Value: string);
557	>	begin
558	>	SetIndex(Value, False);
559	>	end;
560	>
561	>	procedure TIBTable.UpdateIndexDefs;
562	>	var
563	>	Opts: TIndexOptions;
564	>	Flds: string;
565	>	Query, SubQuery: TIBSQL;
566	>	fn: string;
567	>	aField: TFieldDef;
568	>	begin
569	>	if not (csReading in ComponentState) then begin
570	>	if not Active and not FSwitchingIndex  then
571	>	FieldDefs.Update;
572	>	IndexDefs.Clear;
573	>	Database.InternalTransaction.StartTransaction;
574	>	Query := TIBSQL.Create(self);
575	>	try
576	>	FPrimaryIndexFields := '';
577	>	Query.GoToFirstRecordOnExecute := False;
578	>	Query.Database := DataBase;
579	>	Query.Transaction := Database.InternalTransaction;
580	>	Query.SQL.Text :=
581	>	'Select I.RDB$INDEX_NAME, I.RDB$UNIQUE_FLAG, I.RDB$INDEX_TYPE, ' + {do not localize}
582	>	'I.RDB$SEGMENT_COUNT, S.RDB$FIELD_NAME from RDB$INDICES I, ' + {do not localize}
583	>	'RDB$INDEX_SEGMENTS S where I.RDB$INDEX_NAME = S.RDB$INDEX_NAME '+ {do not localize}
584	>	'and I.RDB$RELATION_NAME = ' + '''' + {do not localize}
585	>	FormatIdentifierValue(Database.SQLDialect,
586	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
587	>	Query.Prepare;
588	>	Query.ExecQuery;
589	>	while (not Query.EOF) and (Query.Next <> nil) do
590	>	begin
591	>	with IndexDefs.AddIndexDef do
592	>	begin
593	>	Name := TrimRight(Query.Current.ByName('RDB$INDEX_NAME').AsString); {do not localize}
594	>	Opts := [];
595	>	if Pos ('RDB$PRIMARY', Name) = 1 then Include(Opts, ixPrimary); {do not localize} {mbcs ok}
596	>	if Query.Current.ByName('RDB$UNIQUE_FLAG').AsInteger = 1 then Include(Opts, ixUnique); {do not localize}
597	>	if Query.Current.ByName('RDB$INDEX_TYPE').AsInteger = 2  then Include(Opts, ixDescending); {do not localize}
598	>	Options := Opts;
599	>	if (Query.Current.ByName('RDB$SEGMENT_COUNT').AsInteger = 1) then {do not localize}
600	>	begin
601	>	fn := Trim(Query.Current.ByName('RDB$FIELD_NAME').AsString); {do not localize}
602	>	aField := GetFieldDefFromAlias(fn);
603	>	if assigned(aField) then
604	>	Fields := aField.Name
605	>	else
606	>	Fields := fn;
607	>	end
608	>	else begin
609	>	SubQuery := TIBSQL.Create(self);
610	>	try
611	>	SubQuery.GoToFirstRecordOnExecute := False;
612	>	SubQuery.Database := DataBase;
613	>	SubQuery.Transaction := Database.InternalTransaction;
614	>	SubQuery.SQL.Text :=
615	>	'Select RDB$FIELD_NAME from RDB$INDEX_SEGMENTS where RDB$INDEX_NAME = ' + {do not localize}
616	>	'''' +
617	>	FormatIdentifierValue(Database.SQLDialect,
618	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
619	>	'''' + 'ORDER BY RDB$FIELD_POSITION'; {do not localize}
620	>	SubQuery.Prepare;
621	>	SubQuery.ExecQuery;
622	>	Flds := '';
623	>	while (not SubQuery.EOF) and (SubQuery.Next <> nil) do
624	>	begin
625	>	fn := TrimRight(SubQuery.Current.ByName('RDB$FIELD_NAME').AsString); {do not localize}
626	>	aField := GetFieldDefFromAlias(fn);
627	>	if assigned(aField) then
628	>	fn := aField.Name;
629	>	if (Flds = '') then
630	>	Flds := fn
631	>	else begin
632	>	Query.Next;
633	>	Flds := Flds + ';' + fn;
634	>	end;
635	>	end;
636	>	Fields := Flds;
637	>	finally
638	>	SubQuery.Free;
639	>	end;
640	>	end;
641	>	if (ixDescending in Opts) then
642	>	DescFields := Fields;
643	>	if ixPrimary in Opts then
644	>	FPrimaryIndexFields := Fields;
645	>	end;
646	>	end;
647	>	finally
648	>	Query.Free;
649	>	Database.InternalTransaction.Commit;
650	>	end;
651	>	end;
652	>	end;
653	>
654	>	function TIBTable.GetExists: Boolean;
655	>	var
656	>	Query: TIBSQL;
657	>	begin
658	>	Result := Active;
659	>	if Result or (TableName = '') then Exit;
660	>	Database.InternalTransaction.StartTransaction;
661	>	Query := TIBSQL.Create(self);
662	>	try
663	>	Query.Database := DataBase;
664	>	Query.Transaction := Database.InternalTransaction;
665	>	Query.SQL.Text :=
666	>	'Select USER from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
667	>	'''' +
668	>	FormatIdentifierValue(Database.SQLDialect,
669	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
670	>	Query.Prepare;
671	>	Query.ExecQuery;
672	>	Result := not Query.EOF;
673	>	finally
674	>	Query.Free;
675	>	Database.InternalTransaction.Commit;
676	>	end;
677	>	end;
678	>
679	>	procedure TIBTable.GotoCurrent(Table: TIBTable);
680	>	begin
681	>	CheckBrowseMode;
682	>	Table.CheckBrowseMode;
683	>	if (Database <> Table.Database) or
684	>	(CompareText(TableName, Table.TableName) <> 0) then
685	>	IBError(ibxeTableNameMismatch, [nil]);
686	>	Table.UpdateCursorPos;
687	>	InternalGotoDBKey(Table.CurrentDBKey);
688	>	DoBeforeScroll;
689	>	Resync([rmExact, rmCenter]);
690	>	DoAfterScroll;
691	>	end;
692	>
693	>
694	>	procedure TIBTable.CreateTable;
695	>	var
696	>	FieldList: string;
697	>
698	>	procedure InitFieldsList;
699	>	var
700	>	I: Integer;
701	>	begin
702	>	InitFieldDefsFromFields;
703	>	for I := 0 to FieldDefs.Count - 1 do begin
704	>	if ( I > 0) then
705	>	FieldList := FieldList + ', ';
706	>	with FieldDefs[I] do
707	>	begin
708	>	case DataType of
709	>	ftString:
710	>	FieldList := FieldList +
711	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
712	>	' VARCHAR(' + IntToStr(Size) + ')'; {do not localize}
713	>	ftFixedChar:
714	>	FieldList := FieldList +
715	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
716	>	' CHAR(' + IntToStr(Size) + ')'; {do not localize}
717	>	ftBoolean:
718	>	FieldList := FieldList +
719	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
720	>	' BOOLEAN'; {do not localize}
721	>	ftSmallint, ftWord:
722	>	FieldList := FieldList +
723	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
724	>	' SMALLINT'; {do not localize}
725	>	ftInteger:
726	>	FieldList := FieldList +
727	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
728	>	' INTEGER'; {do not localize}
729	>	ftFloat, ftCurrency:
730	>	FieldList := FieldList +
731	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
732	>	' DOUBLE PRECISION'; {do not localize}
733	>	ftBCD: begin
734	>	if (Database.SQLDialect = 1) then begin
735	>	if (Precision > 9) then
736	>	IBError(ibxeFieldUnsupportedType,[nil]);
737	>	if (Precision <= 4) then
738	>	Precision := 9;
739	>	end;
740	>	if (Precision <= 4 ) then
741	>	FieldList := FieldList +
742	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
743	>	' Numeric(18, 4)' {do not localize}
744	>	else
745	>	FieldList := FieldList +
746	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
747	>	' Numeric(' + IntToStr(Precision) + ', 4)'; {do not localize}
748	>	end;
749	>	ftDate:
750	>	FieldList := FieldList +
751	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
752	>	' DATE'; {do not localize}
753	>	ftTime:
754	>	FieldList := FieldList +
755	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
756	>	' TIME'; {do not localize}
757	>	ftDateTime:
758	>	if (Database.SQLDialect = 1) then
759	>	FieldList := FieldList +
760	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
761	>	' DATE' {do not localize}
762	>	else
763	>	FieldList := FieldList +
764	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
765	>	' TIMESTAMP'; {do not localize}
766	>	ftLargeInt:
767	>	if (Database.SQLDialect = 1) then
768	>	IBError(ibxeFieldUnsupportedType,[nil])
769	>	else
770	>	FieldList := FieldList +
771	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
772	>	' Numeric(18, 0)'; {do not localize}
773	>	ftBlob, ftMemo:
774	>	FieldList := FieldList +
775	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
776	>	' BLOB SUB_TYPE 1'; {do not localize}
777	>	ftBytes, ftVarBytes, ftGraphic..ftTypedBinary:
778	>	FieldList := FieldList +
779	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
780	>	' BLOB SUB_TYPE 0'; {do not localize}
781	>	ftUnknown, ftADT, ftArray, ftReference, ftDataSet,
782	>	ftCursor, ftWideString, ftAutoInc:
783	>	IBError(ibxeFieldUnsupportedType,[nil]);
784	>	else
785	>	IBError(ibxeFieldUnsupportedType,[nil]);
786	>	end;
787	>	if faRequired in Attributes then
788	>	FieldList := FieldList + ' NOT NULL'; {do not localize}
789	>	end;
790	>	end;
791	>	end;
792	>
793	>	procedure InternalCreateTable;
794	>	var
795	>	I: Integer;
796	>	Query: TIBSQL;
797	>	begin
798	>	if (FieldList = '') then
799	>	IBError(ibxeFieldUnsupportedType,[nil]);
800	>	Query := TIBSQL.Create(self);
801	>	try
802	>	Query.Database := Database;
803	>	Query.transaction := Transaction;
804	>	Query.SQL.Text := 'Create Table ' +
805	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
806	>	' (' + FieldList; {do not localize}
807	>	for I := 0 to IndexDefs.Count - 1 do
808	>	with IndexDefs[I] do
809	>	if ixPrimary in Options then
810	>	begin
811	>	Query.SQL.Text := Query.SQL.Text + ', CONSTRAINT ' +
812	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
813	>	' Primary Key (' +
814	>	FormatFieldsList(Fields) +
815	>	')';
816	>	end;
817	>	Query.SQL.Text := Query.SQL.Text + ')';
818	>	Query.Prepare;
819	>	Query.ExecQuery;
820	>	finally
821	>	Query.Free;
822	>	end;
823	>	end;
824	>
825	>	procedure InternalCreateIndex;
826	>	var
827	>	I: Integer;
828	>	begin
829	>	for I := 0 to IndexDefs.Count - 1 do
830	>	with IndexDefs[I] do
831	>	if not (ixPrimary in Options) then
832	>	AddIndex(Name, Fields, Options);
833	>	end;
834	>
835	>	begin
836	>	CheckInactive;
837	>	InitFieldsList;
838	>	InternalCreateTable;
839	>	InternalCreateIndex;
840	>	end;
841	>
842	>	procedure TIBTable.DeleteTable;
843	>	var
844	>	Query: TIBSQL;
845	>	begin
846	>	CheckInactive;
847	>	Query := TIBSQL.Create(self);
848	>	try
849	>	Query.Database := DataBase;
850	>	Query.Transaction := Transaction;
851	>	Query.SQL.Text := 'drop table ' +  {do not localize}
852	>	QuoteIdentifier(DataBase.SQLDialect, FTableName);
853	>	Query.Prepare;
854	>	Query.ExecQuery;
855	>	finally
856	>	Query.Free;
857	>	end;
858	>	end;
859	>
860	>	procedure TIBTable.EmptyTable;
861	>	var
862	>	Query: TIBSQL;
863	>	begin
864	>	if Active then
865	>	CheckBrowseMode;
866	>	Query := TIBSQL.Create(self);
867	>	try
868	>	Query.Database := DataBase;
869	>	Query.Transaction := Transaction;
870	>	Query.SQL.Text := 'delete from ' + {do not localize}
871	>	QuoteIdentifier(DataBase.SQLDialect, FTableName);
872	>	Query.Prepare;
873	>	Query.ExecQuery;
874	>	if Active then
875	>	begin
876	>	ClearBuffers;
877	>	DataEvent(deDataSetChange, 0);
878	>	end;
879	>	finally
880	>	Query.Free;
881	>	end;
882	>	end;
883	>
884	>	procedure TIBTable.DataEvent(Event: TDataEvent; Info: Ptrint);
885	>	begin
886	>	if Event = dePropertyChange then begin
887	>	IndexDefs.Updated := False;
888	>	FRegenerateSQL := True;
889	>	end;
890	>	inherited DataEvent(Event, Info);
891	>	end;
892	>
893	>	{ Informational & Property }
894	>
895	>	function TIBTable.GetCanModify: Boolean;
896	>	begin
897	>	Result := True;
898	>	if (FTableName = '') or FReadOnly
899	>	or FSystemTable or FMultiTableView then
900	>	Result := False;
901	>	end;
902	>
903	>	function TIBTable.InternalGetUpdatable: Boolean;
904	>	var
905	>	Query : TIBSQL;
906	>	begin
907	>	Database.InternalTransaction.StartTransaction;
908	>	Query := TIBSQL.Create(self);
909	>	try
910	>	Query.Database := DataBase;
911	>	Query.Transaction := Database.InternalTransaction;
912	>	Query.SQL.Text := 'Select RDB$SYSTEM_FLAG, RDB$DBKEY_LENGTH ' + {do not localize}
913	>	'from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
914	>	'''' +
915	>	FormatIdentifierValue(Database.SQLDialect,
916	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
917	>	Query.Prepare;
918	>	Query.ExecQuery;
919	>	if (Query.Current[0].AsInteger <> 0) or
920	>	(Query.Current[1].AsInteger <> 8) then
921	>	Result := False
922	>	else
923	>	Result := True;
924	>	finally
925	>	Query.Free;
926	>	Database.InternalTransaction.Commit;
927	>	end;
928	>	end;
929	>
930	>	function TIBTable.FieldDefsStored: Boolean;
931	>	begin
932	>	Result := StoreDefs and (FieldDefs.Count > 0);
933	>	end;
934	>
935	>	function TIBTable.IndexDefsStored: Boolean;
936	>	begin
937	>	Result := StoreDefs and (IndexDefs.Count > 0);
938	>	end;
939	>
940	>	procedure TIBTable.SetParams;
941	>	var
942	>	i: Integer;
943	>	begin
944	>	if (MasterSource = nil) or (MasterSource.DataSet = nil) or
945	>	(not MasterSource.DataSet.Active) or (FMasterFieldsList.Count = 0) then
946	>	exit;
947	>	for i := 0 to FMasterFieldsList.Count - 1 do
948	>	QSelect.Params.ByName(FMasterFieldsList.Strings[i]).Value :=
949	>	MasterSource.DataSet.FieldByName(FMasterFieldsList.Strings[i]).Value;
950	>	end;
951	>
952	>	procedure TIBTable.MasterChanged(Sender: TObject);
953	>	begin
954	>	CheckBrowseMode;
955	>	SetParams;
956	>	ReQuery;
957	>	end;
958	>
959	>	procedure TIBTable.MasterDisabled(Sender: TObject);
960	>	begin
961	>	DataEvent(dePropertyChange, 0);
962	>	ReQuery;
963	>	end;
964	>
965	>	function TIBTable.GetDataSource: TDataSource;
966	>	begin
967	>	Result := FMasterLink.DataSource;
968	>	end;
969	>
970	>	procedure TIBTable.SetDataSource(Value: TDataSource);
971	>	begin
972	>	if IsLinkedTo(Value) then IBError(ibxeCircularDataLink, [Self]);
973	>	if FMasterLink.DataSource <> Value then
974	>	DataEvent(dePropertyChange, 0);
975	>	FMasterLink.DataSource := Value;
976	>	end;
977	>
978	>	function TIBTable.GetMasterFields: string;
979	>	begin
980	>	Result := FMasterLink.FieldNames;
981	>	end;
982	>
983	>	procedure TIBTable.SetMasterFields(const Value: string);
984	>	begin
985	>	if FMasterLink.FieldNames <> Value then
986	>	DataEvent(dePropertyChange, 0);
987	>	FMasterLink.FieldNames := Value;
988	>	end;
989	>
990	>	procedure TIBTable.DoOnNewRecord;
991	>	var
992	>	I: Integer;
993	>	begin
994	>	if FMasterLink.Active and (FMasterLink.Fields.Count > 0) then
995	>	for I := 0 to FMasterLink.Fields.Count - 1 do
996	>	IndexFields[I] := TField(FMasterLink.Fields[I]);
997	>	inherited DoOnNewRecord;
998	>	end;
999	>
1000	>	function TIBTable.FormatFieldsList(Value: String): String;
1001	>	var
1002	>	FieldName: string;
1003	>	i: Integer;
1004	>	begin
1005	>	if Database.SQLDialect = 1 then begin
1006	>	Value := QuoteIdentifier(Database.SQLDialect, Value);
1007	>	Result := StringReplace (Value, ';', ', ', [rfReplaceAll]);
1008	>	end
1009	>	else begin
1010	>	i := 1;
1011	>	Result := '';
1012	>	while i <= Length(Value) do
1013	>	begin
1014	>	FieldName := ExtractFieldName(Value, i);
1015	>	if Result = '' then
1016	>	Result := QuoteIdentifier(Database.SQLDialect, FieldName)
1017	>	else
1018	>	Result := Result + ', ' + QuoteIdentifier(Database.SQLDialect, FieldName);
1019	>	end;
1020	>	end;
1021	>	end;
1022	>
1023	>	procedure TIBTable.ExtractLinkFields;
1024	>	var
1025	>	i: Integer;
1026	>	DetailFieldNames: String;
1027	>	begin
1028	>	FMasterFieldsList.Clear;
1029	>	FDetailFieldsList.Clear;
1030	>	i := 1;
1031	>	while i <= Length(MasterFields) do
1032	>	FMasterFieldsList.Add(ExtractFieldName(MasterFields, i));
1033	>	i := 1;
1034	>	if IndexFieldNames = '' then
1035	>	DetailFieldNames := FPrimaryIndexFields
1036	>	else
1037	>	DetailFieldNames := IndexFieldNames;
1038	>	while i <= Length(DetailFieldNames) do
1039	>	FDetailFieldsList.Add(ExtractFieldName(DetailFieldNames, i));
1040	>	end;
1041	>
1042	>	procedure TIBTable.GetDetailLinkFields(MasterFields, DetailFields: TList);
1043	>	var
1044	>	i: Integer;
1045	>	Idx: TIndexDef;
1046	>	begin
1047	>	MasterFields.Clear;
1048	>	DetailFields.Clear;
1049	>	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and
1050	>	(Self.MasterFields <> '') then
1051	>	begin
1052	>	Idx := nil;
1053	>	MasterSource.DataSet.GetFieldList(MasterFields, Self.MasterFields);
1054	>	UpdateIndexDefs;
1055	>	if IndexName <> '' then
1056	>	Idx := IndexDefs.Find(IndexName)
1057	>	else if IndexFieldNames <> '' then
1058	>	Idx := IndexDefs.GetIndexForFields(IndexFieldNames, False)
1059	>	else
1060	>	for i := 0 to IndexDefs.Count - 1 do
1061	>	if ixPrimary in IndexDefs[i].Options then
1062	>	begin
1063	>	Idx := IndexDefs[i];
1064	>	break;
1065	>	end;
1066	>	if Idx <> nil then
1067	>	GetFieldList(DetailFields, Idx.Fields);
1068	>	end;
1069	>	end;
1070	>
1071	>	procedure TIBTable.SetReadOnly(Value: Boolean);
1072	>	begin
1073	>	CheckInactive;
1074	>	FReadOnly := Value;
1075	>	end;
1076	>
1077	>	procedure TIBTable.SetTableName(Value: String);
1078	>	begin
1079	>	if not (csReading in ComponentState) then
1080	>	begin
1081	>	CheckInactive;
1082	>	if Value <> FTableName then
1083	>	begin
1084	>	ResetSQLStatements;
1085	>	FRegenerateSQL := True;
1086	>	FTableName := Value;
1087	>	IndexName := '';
1088	>	IndexFieldNames := '';
1089	>	FPrimaryIndexFields := '';
1090	>	DataEvent(dePropertyChange, 0);
1091	>	end;
1092	>	end
1093	>	else if Value <> FTableName then
1094	>	FTableName := Value;
1095	>	end;
1096	>
1097	>	function TIBTable.GetIndexField(Index: Integer): TField;
1098	>	var
1099	>	I, Count: Integer;
1100	>	FieldNames, FieldName: String;
1101	>	begin
1102	>	Result := nil;
1103	>	FieldName := '';
1104	>	FieldNames := IndexFieldNames;
1105	>	if FieldNames = '' then
1106	>	begin
1107	>	for I := 0 to IndexDefs.Count - 1 do
1108	>	if (IndexDefs[i].Name = FIndexName) then
1109	>	begin
1110	>	FieldNames := IndexDefs[i].Fields;
1111	>	break;
1112	>	end;
1113	>	end;
1114	>	for I := 0 to Index do
1115	>	begin
1116	>	Count := Pos(';', FieldNames); {mbcs OK}
1117	>	if Count = 0 then
1118	>	FieldName := FieldNames
1119	>	else begin
1120	>	FieldName := Copy(FieldNames, 0, Count - 1);
1121	>	System.Delete(FieldNames, 1, Count);
1122	>	end;
1123	>	end;
1124	>	if FieldName <> '' then
1125	>	Result := FieldByName(FieldName)
1126	>	else
1127	>	IBError(ibxeIndexFieldMissing, [nil]);
1128	>	end;
1129	>
1130	>
1131	>	procedure TIBTable.SetIndexField(Index: Integer; Value: TField);
1132	>	begin
1133	>	GetIndexField(Index).Assign(Value);
1134	>	end;
1135	>
1136	>	function TIBTable.GetIndexFieldCount: Integer;
1137	>	var
1138	>	I, Index: Integer;
1139	>	FieldNames: String;
1140	>	done: Boolean;
1141	>	begin
1142	>	FieldNames := IndexFieldNames;
1143	>	if FieldNames = '' then
1144	>	begin
1145	>	for I := 0 to IndexDefs.Count - 1 do
1146	>	if (IndexDefs[i].Name = FIndexName) then
1147	>	begin
1148	>	FieldNames := IndexDefs[i].Fields;
1149	>	break;
1150	>	end;
1151	>	end;
1152	>	if FieldNames = '' then
1153	>	Result := 0
1154	>	else
1155	>	begin
1156	>	done := False;
1157	>	Result := 1;
1158	>	while not done do
1159	>	begin
1160	>	Index := Pos(';', FieldNames); {mbcs ok}
1161	>	if Index <> 0 then
1162	>	begin
1163	>	System.Delete(FieldNames, 1, Index);
1164	>	Inc(Result);
1165	>	end else
1166	>	done := True;
1167	>	end;
1168	>	end;
1169	>	end;
1170	>
1171	>	function TIBTable.GetTableNames: TStrings;
1172	>	begin
1173	>	FNameList.clear;
1174	>	GetTableNamesFromServer;
1175	>	Result := FNameList;
1176	>	end;
1177	>
1178	>	procedure TIBTable.GetTableNamesFromServer;
1179	>	var
1180	>	Query : TIBSQL;
1181	>	begin
1182	>	if not (csReading in ComponentState) then begin
1183	>	ActivateConnection;
1184	>	Database.InternalTransaction.StartTransaction;
1185	>	Query := TIBSQL.Create(self);
1186	>	try
1187	>	Query.GoToFirstRecordOnExecute := False;
1188	>	Query.Database := DataBase;
1189	>	Query.Transaction := Database.InternalTransaction;
1190	>	if (TableTypes * [ttSystem, ttView] = [ttSystem, ttView]) then
1191	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' {do not localize}
1192	>	else if ttSystem in TableTypes then
1193	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1194	>	' where RDB$VIEW_BLR is NULL' {do not localize}
1195	>	else if ttView in TableTypes then
1196	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1197	>	' where RDB$SYSTEM_FLAG = 0' {do not localize}
1198	>	else
1199	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1200	>	' where RDB$VIEW_BLR is NULL and RDB$SYSTEM_FLAG = 0'; {do not localize}
1201	>	Query.Prepare;
1202	>	Query.ExecQuery;
1203	>	while (not Query.EOF) and (Query.Next <> nil) do
1204	>	FNameList.Add (TrimRight(Query.Current[0].AsString));
1205	>	finally
1206	>	Query.Free;
1207	>	Database.InternalTransaction.Commit;
1208	>	end;
1209	>	end;
1210	>	end;
1211	>
1212	>	procedure TIBTable.SwitchToIndex();
1213	>	begin
1214	>	FSwitchingIndex := True;
1215	>	InternalTableRefresh;
1216	>	FSwitchingIndex := False;
1217	>	end;
1218	>
1219	>	procedure TIBTable.InternalTableRefresh();
1220	>	var
1221	>	DBKey: TIBDBKey;
1222	>	begin
1223	>	CheckActive;
1224	>	DBKey := CurrentDBKey;
1225	>	FRegenerateSQL := True;
1226	>	Reopen;
1227	>	if DBKey.DBKey[0] <> 0 then
1228	>	InternalGotoDBKey(DBKey);
1229	>	end;
1230	>
1231	>	procedure TIBTable.GenerateSQL;
1232	>	var
1233	>	i: Integer;
1234	>	SQL: TStrings;
1235	>	OrderByStr: string;
1236	>	bWhereClausePresent: Boolean;
1237	>	fn: string;
1238	>	aField: TFieldDef;
1239	>	begin
1240	>	bWhereClausePresent := False;
1241	>	Database.CheckActive;
1242	>	Transaction.CheckInTransaction;
1243	>	if IndexDefs.Updated = False then
1244	>	IndexDefs.Update;
1245	>	if IndexFieldNames <> '' then
1246	>	OrderByStr := FormatFieldsList(IndexFieldNames)
1247	>	else if IndexName <> '' then
1248	>	OrderByStr := FormatFieldsList(IndexDefs[IndexDefs.Indexof (IndexName)].Fields)
1249	>	else if FDefaultIndex and (FPrimaryIndexFields <> '') then
1250	>	OrderByStr := FormatFieldsList(FPrimaryIndexFields);
1251	>	SQL := TStringList.Create;
1252	>	SQL.Text := 'select ' + {do not localize}
1253	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1254	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1255	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName);
1256	>	if Filtered and (Filter <> '') then
1257	>	begin
1258	>	SQL.Text := SQL.Text + ' where ' + Filter; {do not localize}
1259	>	bWhereClausePresent := True;
1260	>	end;
1261	>	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and (MasterFields <> '') then
1262	>	begin
1263	>	if bWhereClausePresent then
1264	>	SQL.Text := SQL.Text + ' AND ' {do not localize}
1265	>	else
1266	>	SQL.Text := SQL.Text + ' WHERE '; {do not localize}
1267	>	ExtractLinkfields;
1268	>	if FDetailFieldsList.Count < FMasterFieldsList.Count then
1269	>	IBError(ibxeUnknownError, [nil]);
1270	>	for i := 0 to FMasterFieldsList.Count - 1 do
1271	>	begin
1272	>	if i > 0 then
1273	>	SQL.Text := SQL.Text + 'AND ';
1274	>	aField := FieldDefs.Find(FDetailFieldsList.Strings[i]);
1275	>	if assigned(aField) then
1276	>	fn := GetDBAliasName(aField.FieldNo)
1277	>	else
1278	>	fn := FDetailFieldsList.Strings[i]; {something wrong if we get here - but should word}
1279	>	SQL.Text := SQL.Text +
1280	>	QuoteIdentifier(DataBase.SQLDialect, fn) + ' = :' + FMasterFieldsList.Strings[i];
1281	>	end;
1282	>	end;
1283	>	if OrderByStr <> '' then
1284	>	SQL.Text := SQL.Text + ' order by ' + OrderByStr; {do not localize}
1285	>	SelectSQL.Assign(SQL);
1286	>	RefreshSQL.Text := 'select ' + {do not localize}
1287	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1288	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1289	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1290	>	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1291	>	WhereDBKeyRefreshSQL.Assign(RefreshSQL);
1292	>	InternalPrepare;
1293	>	SQL.Free;
1294	>	end;
1295	>
1296	>	procedure TIBTable.GenerateUpdateSQL;
1297	>	var
1298	>	InsertFieldList, InsertParamList, UpdateFieldList: string;
1299	>	WherePrimaryFieldList, WhereAllFieldList: string;
1300	>
1301	>	procedure GenerateFieldLists;
1302	>	var
1303	>	I: Integer;
1304	>	begin
1305	>	for I := 0 to FieldDefs.Count - 1 do begin
1306	>	with FieldDefs[I] do begin
1307	>	if not (InternalCalcField or (faReadOnly in Attributes) or
1308	>	(DataType = ftUnknown)) then
1309	>	begin
1310	>	if ( InsertFieldList <> '' ) then begin
1311	>	InsertFieldList := InsertFieldList + ', ';
1312	>	InsertParamList := InsertParamList + ', ';
1313	>	UpdateFieldList := UpdateFieldList + ', ';
1314	>	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1315	>	WhereAllFieldList := WhereAllFieldList + ' AND ';
1316	>	end;
1317	>	InsertFieldList := InsertFieldList +
1318	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo));
1319	>	InsertParamList := InsertParamList + ':' +  Name;
1320	>	UpdateFieldList := UpdateFieldList +
1321	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) +
1322	>	' = :' + Name;
1323	>	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1324	>	WhereAllFieldList := WhereAllFieldList +
1325	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) + ' = :' +  Name;
1326	>	end;
1327	>	end;
1328	>	end;
1329	>	end;
1330	>
1331	>	procedure GenerateWherePrimaryFieldList;
1332	>	var
1333	>	i: Integer;
1334	>	tmp, fn: String;
1335	>	aField: TFieldDef;
1336	>	begin
1337	>	i := 1;
1338	>	while i <= Length(FPrimaryIndexFields) do
1339	>	begin
1340	>	tmp := ExtractFieldName(FPrimaryIndexFields, i);
1341	>	aField := FieldDefs.Find(tmp);
1342	>	if assigned(aField) then
1343	>	fn := GetDBAliasName(aField.FieldNo)
1344	>	else
1345	>	fn := tmp; {something wrong if we get here - but will work in most cases}
1346	>	tmp :=
1347	>	QuoteIdentifier(DataBase.SQLDialect, fn) +  ' = :' +
1348	>	QuoteIdentifier(DataBase.SQLDialect, tmp);{do not localize}
1349	>	if WherePrimaryFieldList <> '' then
1350	>	WherePrimaryFieldList :=
1351	>	WherePrimaryFieldList + ' AND ' + tmp
1352	>	else
1353	>	WherePrimaryFieldList := tmp;
1354	>	end;
1355	>	end;
1356	>
1357	>	begin
1358	>	if InternalGetUpdatable = False  then
1359	>	FReadOnly := True
1360	>	else
1361	>	begin
1362	>	DeleteSQL.Text := 'delete from ' + {do not localize}
1363	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1364	>	' where RDB$DB_KEY = ' + ':IBX_INTERNAL_DBKEY'; {do not localize}
1365	>	GenerateFieldLists;
1366	>	InsertSQL.Text := 'insert into ' + {do not localize}
1367	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1368	>	' (' + InsertFieldList + {do not localize}
1369	>	') values (' + InsertParamList + ')'; {do not localize}
1370	>	ModifySQL.Text := 'update ' +
1371	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1372	>	' set ' + UpdateFieldList + {do not localize}
1373	>	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1374	>	WhereAllRefreshSQL.Text := 'select ' +  {do not localize}
1375	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, '
1376	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1377	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1378	>	' where ' + WhereAllFieldList; {do not localize}
1379	>	if FPrimaryIndexFields <> '' then
1380	>	begin
1381	>	GenerateWherePrimaryFieldList;
1382	>	WherePrimaryRefreshSQL.Text := 'select ' + {do not localize}
1383	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1384	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1385	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1386	>	' where ' + WherePrimaryFieldList; {do not localize}
1387	>	end;
1388	>	try
1389	>	InternalPrepare;
1390	>	except
1391	>	FReadonly := True;
1392	>	end;
1393	>	end;
1394	>	end;
1395	>
1396	>	procedure TIBTable.ResetSQLStatements;
1397	>	begin
1398	>	SelectSQL.Text := '';
1399	>	DeleteSQL.Text := '';
1400	>	InsertSQL.Text := '';
1401	>	ModifySQL.Text := '';
1402	>	RefreshSQL.Text := '';
1403	>	end;
1404	>
1405	>	procedure TIBTable.SetTableTypes(
1406	>	const Value: TIBTableTypes);
1407	>	begin
1408	>	FTableTypes := Value;
1409	>	end;
1410	>
1411	>	function TIBTable.InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
1412	>
1413	>	function DBKeyCompare (DBKey1, DBKey2: TIBDBKey): Boolean;
1414	>	var
1415	>	I: Integer;
1416	>	begin
1417	>	for I := 0 to 7 do
1418	>	if (DBKey1.DBKey[i] <> DBKey2.DBKey[i]) then begin
1419	>	result := False;
1420	>	exit;
1421	>	end;
1422	>	result := True;
1423	>	end;
1424	>	begin
1425	>	CheckActive;
1426	>	DisableControls;
1427	>	try
1428	>	result := False;
1429	>	First;
1430	>	while ((not result) and (not EOF)) do begin
1431	>	if (DBKeyCompare (DBKey, PRecordData(GetActiveBuf)^.rdDBKey)) then
1432	>	result := True
1433	>	else
1434	>	Next;
1435	>	end;
1436	>	if not result then
1437	>	First
1438	>	else
1439	>	CursorPosChanged;
1440	>	finally
1441	>	EnableControls;
1442	>	end;
1443	>	end;
1444	>
1445	>	function TIBTable.GetCurrentDBKey: TIBDBKey;
1446	>	var
1447	>	Buf: pChar;
1448	>	begin
1449	>	CheckActive;
1450	>	buf := GetActiveBuf;
1451	>	if Buf <> nil then
1452	>	Result := PRecordData(Buf)^.rdDBKey
1453	>	else
1454	>	Result.DBKey[0] := 0;
1455	>	end;
1456	>
1457	>	procedure TIBTable.Reopen;
1458	>	begin
1459	>	DisableControls;
1460	>	try
1461	>	if Active then
1462	>	begin
1463	>	SetState(dsInactive);
1464	>	CloseCursor;
1465	>	OpenCursor(false);
1466	>	SetState(dsBrowse);
1467	>	end;
1468	>	finally
1469	>	EnableControls;
1470	>	end;
1471	>	end;
1472	>
1473	>	end.

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines