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Comparing ibx/trunk/runtime/IBTable.pas (file contents):
Revision 17 by tony, Sat Dec 28 19:22:24 2013 UTC vs.
Revision 118 by tony, Mon Jan 22 13:58:14 2018 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	>	{$codepage UTF8}
39	>
40	>	interface
41	>
42	>	uses SysUtils, Classes, DB, IB,  IBCustomDataSet,
43	>	IBSQL, IBUtils;
44	>
45	>	type
46	>
47	>	{ TIBTable }
48	>
49	>	TIBTableType = (ttSystem, ttView);
50	>	TIBTableTypes = set of TIBTableType;
51	>	TIndexName = String;
52	>
53	>	TIBTable = class;
54	>
55	>	TIBTable = class(TIBCustomDataSet)
56	>	private
57	>	FSystemTable: Boolean;
58	>	FMultiTableView: Boolean;
59	>	FMasterLink: TMasterDataLink;
60	>	FMasterFieldsList: TStringList;
61	>	FDetailFieldsList: TStringList;
62	>	FStoreDefs: Boolean;
63	>	FIndexDefs: TIndexDefs;
64	>	FDefaultIndex: Boolean;
65	>	FReadOnly: Boolean;
66	>	FFieldsIndex: Boolean;
67	>	FTableName: String;
68	>	FIndexName: TIndexName;
69	>	FRegenerateSQL: Boolean;
70	>	FNameList: TStrings;
71	>	FSwitchingIndex: Boolean;
72	>	FPrimaryIndexFields: string;
73	>	FTableTypes: TIBTableTypes;
74	>	WhereAllRefreshSQL: TStrings;
75	>	WhereDBKeyRefreshSQL: TStrings;
76	>	WherePrimaryRefreshSQL: TStrings;
77	>
78	>	function GetIndexFieldCount: Integer;
79	>	function GetIndexField(Index: Integer): TField;
80	>	procedure MasterChanged(Sender: TObject);
81	>	procedure MasterDisabled(Sender: TObject);
82	>	procedure SetDataSource(Value: TDataSource);
83	>	procedure SetIndexField(Index: Integer; Value: TField);
84	>	procedure SetIndexFieldNames(const Value: string);
85	>	procedure GenerateSQL;
86	>	procedure GenerateUpdateSQL;
87	>	procedure SwitchToIndex();
88	>	procedure InternalTableRefresh();
89	>	function GetTableNames: TStrings;
90	>	procedure GetTableNamesFromServer;
91	>	procedure SetTableTypes(
92	>	const Value: TIBTableTypes);
93	>	function InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
94	>	function FormatFieldsList(Value: string): string;
95	>	function GetCurrentDBKey: TIBDBKey;
96	>	function InternalGetUpdatable: Boolean;
97	>	function GetExists: Boolean;
98	>	procedure SetIndexDefs(Value: TIndexDefs);
99	>	procedure ExtractLinkFields;
100	>	function FieldDefsStored: Boolean;
101	>	function IndexDefsStored: Boolean;
102	>	function GetMasterFields: string;
103	>	procedure SetMasterFields(const Value: string);
104	>	function GetIndexFieldNames: string;
105	>	function GetIndexName: string;
106	>	procedure SetIndexName(const Value: string);
107	>	procedure SetParams;
108	>	procedure SetReadOnly(Value: Boolean);
109	>	procedure SetTableName(Value: String);
110	>	procedure SetIndex(const Value: string; FieldsIndex: Boolean);
111	>	procedure ResetSQLStatements;
112	>	procedure Reopen;
113	>
114	>	protected
115	>
116	>	procedure DoOnNewRecord; override;
117	>	procedure GetIndexParams(const IndexName: string; FieldsIndex: Boolean;
118	>	var IndexedName: string);
119	>	function GetCanModify: Boolean; override;
120	>	procedure UpdateIndexDefs; override;
121	>	procedure DataEvent(Event: TDataEvent; Info: Ptrint); override;
122	>	procedure DefChanged(Sender: TObject); virtual;
123	>	function GetDataSource: TDataSource; override;
124	>	procedure InitFieldDefs; override;
125	>	procedure InternalClose; override;
126	>	procedure InternalOpen; override;
127	>	procedure InternalRefresh; override;
128	>	procedure SetFiltered(Value: Boolean); override;
129	>	procedure SetFilterText(const Value: string); override;
130	>	procedure SetFilterOptions(Value: TFilterOptions); override;
131	>	procedure InternalRefreshRow; override;
132	>
133	>	public
134	>	constructor Create(AOwner: TComponent); override;
135	>	destructor Destroy; override;
136	>	procedure AddIndex(const Name, Fields: string; Options: TIndexOptions;
137	>	const DescFields: string = '');
138	>	procedure CreateTable;
139	>	procedure DeleteIndex(const Name: string);
140	>	procedure DeleteTable;
141	>	procedure EmptyTable;
142	>	procedure GetDetailLinkFields(MasterFields, DetailFields: TList); virtual;
143	>	procedure GetIndexNames(List: TStrings);
144	>	procedure GotoCurrent(Table: TIBTable);
145	>	property CurrentDBKey: TIBDBKey read GetCurrentDBKey;
146	>	property Exists: Boolean read GetExists;
147	>	property IndexFieldCount: Integer read GetIndexFieldCount;
148	>	property IndexFields[Index: Integer]: TField read GetIndexField write SetIndexField;
149	>	property TableNames: TStrings read GetTableNames;
150	>
151	>	published
152	>	property AutoCommit;
153	>	property Active;
154	>	property BufferChunks;
155	>	property CachedUpdates;
156	>	property DataSetCloseAction;
157	>	//    property Constraints stored ConstraintsStored;
158	>	property DefaultIndex: Boolean read FDefaultIndex write FDefaultIndex default True;
159	>	property FieldDefs stored FieldDefsStored;
160	>	property Filter;
161	>	property Filtered;
162	>	property GeneratorField;
163	>	property IndexDefs: TIndexDefs read FIndexDefs write SetIndexDefs stored IndexDefsStored;
164	>	property IndexFieldNames: string read GetIndexFieldNames write SetIndexFieldNames;
165	>	property IndexName: string read GetIndexName write SetIndexName;
166	>	property MasterFields: string read GetMasterFields write SetMasterFields;
167	>	property MasterSource: TDataSource read GetDataSource write SetDataSource;
168	>	property ReadOnly: Boolean read FReadOnly write SetReadOnly default False;
169	>	property StoreDefs: Boolean read FStoreDefs write FStoreDefs default False;
170	>	property TableName: String read FTableName write SetTableName;
171	>	property TableTypes: TIBTableTypes read FTableTypes write SetTableTypes default [];
172	>	property UpdateObject;
173	>	property UniDirectional;
174	>
175	>	property BeforeDatabaseDisconnect;
176	>	property AfterDatabaseDisconnect;
177	>	property DatabaseFree;
178	>	property BeforeTransactionEnd;
179	>	property AfterTransactionEnd;
180	>	property TransactionFree;
181	>	property OnFilterRecord;
182	>	end;
183	>
184	>	implementation
185	>
186	>	uses FBMessages;
187	>
188	>	{ TIBTable }
189	>
190	>	constructor TIBTable.Create(AOwner: TComponent);
191	>	begin
192	>	inherited Create(AOwner);
193	>	FNameList := TStringList.Create;
194	>	FSwitchingIndex := False;
195	>	FIndexDefs := TIndexDefs.Create(Self);
196	>	WhereAllRefreshSQL := TStringList.Create;
197	>	WhereDBKeyRefreshSQL := TStringList.Create;
198	>	WherePrimaryRefreshSQL := TStringList.Create;
199	>	FDefaultIndex := True;
200	>	FRegenerateSQL := True;
201	>	FMasterFieldsList := TStringList.Create;
202	>	FDetailFieldsList := TStringList.Create;
203	>	FMasterLink := TMasterDataLink.Create(Self);
204	>	FMasterLink.OnMasterChange := MasterChanged;
205	>	FMasterLink.OnMasterDisable := MasterDisabled;
206	>	QRefresh.OnSQLChanging := nil;
207	>	QDelete.OnSQLChanging := nil;
208	>	QInsert.OnSQLChanging := nil;
209	>	QModify.OnSQLChanging := nil;
210	>	end;
211	>
212	>	destructor TIBTable.Destroy;
213	>	begin
214	>	FNameList.Free;
215	>	FIndexDefs.Free;
216	>	FMasterFieldsList.Free;
217	>	FDetailFieldsList.Free;
218	>	FMasterLink.Free;
219	>	WhereAllRefreshSQL.Free;
220	>	WhereDBKeyRefreshSQL.Free;
221	>	WherePrimaryRefreshSQL.Free;
222	>	inherited Destroy;
223	>	end;
224	>
225	>	procedure TIBTable.InternalClose;
226	>	begin
227	>	DataEvent(dePropertyChange, 0);
228	>	inherited InternalClose;
229	>	end;
230	>
231	>	procedure TIBTable.InternalOpen;
232	>	begin
233	>	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
234	>	ActivateConnection;
235	>	ActivateTransaction;
236	>	if FRegenerateSQL then
237	>	begin
238	>	InternalUnprepare;
239	>	GenerateSQL;
240	>	if not FReadOnly then
241	>	GenerateUpdateSQL;
242	>	FRegenerateSQL := False;
243	>	end;
244	>	{  writeln(SelectSQL.Text);
245	>	writeln(InsertSQL.Text);
246	>	writeln(DeleteSQL.Text);
247	>	writeln(ModifySQL.Text); }
248	>	SetParams;
249	>	inherited InternalOpen;
250	>	end;
251	>
252	>	procedure TIBTable.InternalRefresh;
253	>	var
254	>	DBKey: TIBDBKey;
255	>	begin
256	>	DBKey := CurrentDBKey;
257	>	Reopen;
258	>	if DBKey.DBKey[0] <> 0 then
259	>	InternalGotoDBKey(DBKey);
260	>	end;
261	>
262	>	procedure TIBTable.SetFiltered(Value: Boolean);
263	>	begin
264	>	if(Filtered <> Value) then
265	>	begin
266	>	inherited SetFiltered(value);
267	>	if Active then
268	>	InternalTableRefresh;
269	>	end
270	>	else
271	>	inherited SetFiltered(value);
272	>	end;
273	>
274	>	procedure TIBTable.SetFilterText(const Value: string);
275	>	begin
276	>	if Filtered and (Value <> Filter) then
277	>	begin
278	>	inherited SetFilterText(value);
279	>	InternalTableRefresh;
280	>	end
281	>	else
282	>	inherited SetFilterText(value);
283	>	end;
284	>
285	>	procedure TIBTable.SetFilterOptions(Value: TFilterOptions);
286	>	begin
287	>	if Value <> [] then
288	>	IBError(ibxeNotSupported, [nil]);
289	>	end;
290	>
291	>	procedure TIBTable.InternalRefreshRow;
292	>	begin
293	>	if CurrentDBKey.DBKey[0] <> 0 then
294	>	QRefresh.SQL.Assign(WhereDBKeyRefreshSQL)
295	>	else if WherePrimaryRefreshSQL.Text <> '' then
296	>	QRefresh.SQL.Assign(WherePrimaryRefreshSQL)
297	>	else
298	>	QRefresh.SQL.Assign(WhereAllRefreshSQL);
299	>	inherited InternalRefreshRow;
300	>	end;
301	>
302	>	procedure TIBTable.DefChanged(Sender: TObject);
303	>	begin
304	>	StoreDefs := True;
305	>	end;
306	>
307	>	procedure TIBTable.InitFieldDefs;
308	>	var
309	>	DidActivate: Boolean;
310	>	Query: TIBSQL;
311	>	begin
312	>	if FTableName = '' then IBError(ibxeNoTableName, [nil]);
313	>	if (InternalPrepared) then
314	>	InternalInitFieldDefs
315	>	else
316	>	begin
317	>	{Get the field defs from a simple query on the table}
318	>	ActivateConnection;
319	>	Query := TIBSQL.Create(self);
320	>	try
321	>	Query.Database := DataBase;
322	>	Query.Transaction := Database.InternalTransaction;
323	>	DidActivate := false;
324	>	Query.SQL.Text := 'Select * from ' + QuoteIdentifier(DataBase.SQLDialect, FTableName);
325	>	with Query.Transaction do
326	>	begin
327	>	if not InTransaction then
328	>	begin
329	>	StartTransaction;
330	>	DidActivate := true
331	>	end;
332	>	end;
333	>	Query.Prepare;
334	>	FieldDefsFromQuery(Query);
335	>	if DidActivate then
336	>	Query.Transaction.Rollback;
337	>	finally
338	>	Query.Free;
339	>	end;
340	>	end;
341	>	end;
342	>
343	>	{ Index / Ranges / Keys }
344	>
345	>	procedure TIBTable.AddIndex(const Name, Fields: string; Options: TIndexOptions;
346	>	const DescFields: string);
347	>	var
348	>	Query: TIBSQL;
349	>	FieldList: string;
350	>	begin
351	>	FieldDefs.Update;
352	>	if Active then begin
353	>	CheckBrowseMode;
354	>	CursorPosChanged;
355	>	end;
356	>	Query := TIBSQL.Create(self);
357	>	try
358	>	Query.Database := DataBase;
359	>	Query.Transaction := Transaction;
360	>	FieldList := FormatFieldsList(Fields);
361	>	if (ixPrimary in Options) then
362	>	begin
363	>	Query.SQL.Text := 'Alter Table ' + {do not localize}
364	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
365	>	' Add CONSTRAINT ' +   {do not localize}
366	>	QuoteIdentifier(Database.SQLDialect, Name)
367	>	+ ' Primary Key (' + {do not localize}
368	>	FormatFieldsList(Fields) +
369	>	')';
370	>	end
371	>	else if ([ixUnique, ixDescending] * Options = [ixUnique, ixDescending]) then
372	>	Query.SQL.Text := 'Create unique Descending Index ' + {do not localize}
373	>	QuoteIdentifier(Database.SQLDialect, Name) +
374	>	' on ' + {do not localize}
375	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
376	>	' (' + FieldList + ')'
377	>	else if (ixUnique in Options) then
378	>	Query.SQL.Text := 'Create unique Index ' + {do not localize}
379	>	QuoteIdentifier(Database.SQLDialect, Name) +
380	>	' on ' + {do not localize}
381	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
382	>	' (' + FieldList + ')'
383	>	else if (ixDescending in Options) then
384	>	Query.SQL.Text := 'Create Descending Index ' + {do not localize}
385	>	QuoteIdentifier(Database.SQLDialect, Name) +
386	>	' on ' + {do not localize}
387	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
388	>	' (' + FieldList + ')'
389	>	else
390	>	Query.SQL.Text := 'Create Index ' + {do not localize}
391	>	QuoteIdentifier(Database.SQLDialect, Name) +
392	>	' on ' + {do not localize}
393	>	QuoteIdentifier(Database.SQLDialect, FTableName) +
394	>	' (' + FieldList + ')';
395	>	Query.Prepare;
396	>	Query.ExecQuery;
397	>	IndexDefs.Updated := False;
398	>	finally
399	>	Query.free
400	>	end;
401	>	end;
402	>
403	>	procedure TIBTable.DeleteIndex(const Name: string);
404	>	var
405	>	Query: TIBSQL;
406	>
407	>	procedure DeleteByIndex;
408	>	begin
409	>	Query := TIBSQL.Create(self);
410	>	try
411	>	Query.Database := DataBase;
412	>	Query.Transaction := Transaction;
413	>	Query.SQL.Text := 'Drop index ' +  {do not localize}
414	>	QuoteIdentifier(Database.SQLDialect, Name);
415	>	Query.Prepare;
416	>	Query.ExecQuery;
417	>	IndexDefs.Updated := False;
418	>	finally
419	>	Query.Free;
420	>	end;
421	>	end;
422	>
423	>	function DeleteByConstraint: Boolean;
424	>	begin
425	>	Result := False;
426	>	Query := TIBSQL.Create(self);
427	>	try
428	>	Query.Database := DataBase;
429	>	Query.Transaction := Transaction;
430	>	Query.SQL.Text := 'Select ''foo'' from RDB$RELATION_CONSTRAINTS ' +
431	>	'where RDB$RELATION_NAME = ' +
432	>	'''' +
433	>	ExtractIdentifier(Database.SQLDialect,
434	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
435	>	''' ' +
436	>	' AND RDB$CONSTRAINT_NAME = ' +
437	>	'''' +
438	>	ExtractIdentifier(Database.SQLDialect,
439	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
440	>	''' ' +
441	>	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
442	>	Query.Prepare;
443	>	Query.ExecQuery;
444	>	if not Query.EOF then
445	>	begin
446	>	Query.Close;
447	>	Query.SQL.Text := 'Alter Table ' +  {do not localize}
448	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
449	>	' Drop Constraint ' +
450	>	QuoteIdentifier(DataBase.SQLDialect, Name);
451	>	Query.Prepare;
452	>	Query.ExecQuery;
453	>	IndexDefs.Updated := False;
454	>	Result := True;
455	>	end;
456	>	finally
457	>	Query.Free;
458	>	end;
459	>	end;
460	>
461	>	procedure DeleteByKey;
462	>	begin
463	>	Query := TIBSQL.Create(self);
464	>	try
465	>	Query.Database := DataBase;
466	>	Query.Transaction := Transaction;
467	>	Query.SQL.Text := 'Select RDB$CONSTRAINT_NAME from RDB$RELATION_CONSTRAINTS ' +
468	>	'where RDB$RELATION_NAME = ' +
469	>	'''' +
470	>	ExtractIdentifier(Database.SQLDialect,
471	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) +
472	>	''' ' +
473	>	'AND RDB$INDEX_NAME = ' +
474	>	'''' +
475	>	ExtractIdentifier(Database.SQLDialect,
476	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
477	>	''' ' +
478	>	'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY''';
479	>	Query.Prepare;
480	>	Query.ExecQuery;
481	>	if not Query.EOF then
482	>	begin
483	>	Query.Close;
484	>	Query.SQL.Text := 'Alter Table ' +  {do not localize}
485	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
486	>	' Drop Constraint ' +
487	>	QuoteIdentifier(DataBase.SQLDialect, Query.FieldByName('RDB$CONSTRAINT_NAME').AsString);
488	>	Query.Prepare;
489	>	Query.ExecQuery;
490	>	IndexDefs.Updated := False;
491	>	end;
492	>	finally
493	>	Query.Free;
494	>	end;
495	>	end;
496	>
497	>	begin
498	>	if Active then
499	>	CheckBrowseMode;
500	>	IndexDefs.Update;
501	>	if (Pos('RDB$PRIMARY', Name) <> 0 ) then {do not localize} {mbcs ok}
502	>	DeleteByKey
503	>	else if not DeleteByConstraint then
504	>	DeleteByIndex;
505	>	end;
506	>
507	>	function TIBTable.GetIndexFieldNames: string;
508	>	begin
509	>	if FFieldsIndex then Result := FIndexName else Result := '';
510	>	end;
511	>
512	>	function TIBTable.GetIndexName: string;
513	>	begin
514	>	if FFieldsIndex then Result := '' else Result := FIndexName;
515	>	end;
516	>
517	>	procedure TIBTable.GetIndexNames(List: TStrings);
518	>	begin
519	>	IndexDefs.Update;
520	>	IndexDefs.GetItemNames(List);
521	>	end;
522	>
523	>	procedure TIBTable.GetIndexParams(const IndexName: string;
524	>	FieldsIndex: Boolean; var IndexedName: string);
525	>	var
526	>	IndexStr: TIndexName;
527	>	begin
528	>	if IndexName <> '' then
529	>	begin
530	>	IndexDefs.Update;
531	>	IndexStr := IndexName;
532	>	if FieldsIndex then
533	>	IndexStr := IndexDefs.FindIndexForFields(IndexName).Name;
534	>	end;
535	>	IndexedName := IndexStr;
536	>	end;
537	>
538	>	procedure TIBTable.SetIndexDefs(Value: TIndexDefs);
539	>	begin
540	>	IndexDefs.Assign(Value);
541	>	end;
542	>
543	>	procedure TIBTable.SetIndex(const Value: string; FieldsIndex: Boolean);
544	>	begin
545	>	if Active then CheckBrowseMode;
546	>	if (FIndexName <> Value) or (FFieldsIndex <> FieldsIndex) then
547	>	begin
548	>	FIndexName := Value;
549	>	FFieldsIndex := FieldsIndex;
550	>	if Active then
551	>	begin
552	>	SwitchToIndex;
553	>	end;
554	>	end;
555	>	end;
556	>
557	>	procedure TIBTable.SetIndexFieldNames(const Value: string);
558	>	begin
559	>	SetIndex(Value, Value <> '');
560	>	end;
561	>
562	>	procedure TIBTable.SetIndexName(const Value: string);
563	>	begin
564	>	SetIndex(Value, False);
565	>	end;
566	>
567	>	procedure TIBTable.UpdateIndexDefs;
568	>	var
569	>	Opts: TIndexOptions;
570	>	Flds: string;
571	>	Query, SubQuery: TIBSQL;
572	>	fn: string;
573	>	aField: TFieldDef;
574	>	begin
575	>	if not (csReading in ComponentState) then begin
576	>	if not Active and not FSwitchingIndex  then
577	>	FieldDefs.Update;
578	>	IndexDefs.Clear;
579	>	Database.InternalTransaction.StartTransaction;
580	>	Query := TIBSQL.Create(self);
581	>	try
582	>	FPrimaryIndexFields := '';
583	>	Query.GoToFirstRecordOnExecute := False;
584	>	Query.Database := DataBase;
585	>	Query.Transaction := Database.InternalTransaction;
586	>	Query.SQL.Text :=
587	>	'Select I.RDB$INDEX_NAME, I.RDB$UNIQUE_FLAG, I.RDB$INDEX_TYPE, ' + {do not localize}
588	>	'I.RDB$SEGMENT_COUNT, S.RDB$FIELD_NAME from RDB$INDICES I, ' + {do not localize}
589	>	'RDB$INDEX_SEGMENTS S where I.RDB$INDEX_NAME = S.RDB$INDEX_NAME '+ {do not localize}
590	>	'and I.RDB$RELATION_NAME = ' + '''' + {do not localize}
591	>	ExtractIdentifier(Database.SQLDialect,
592	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
593	>	Query.Prepare;
594	>	Query.ExecQuery;
595	>	while (not Query.EOF) and Query.Next do
596	>	begin
597	>	with IndexDefs.AddIndexDef do
598	>	begin
599	>	Name := TrimRight(Query.FieldByName('RDB$INDEX_NAME').AsString); {do not localize}
600	>	Opts := [];
601	>	if Pos ('RDB$PRIMARY', Name) = 1 then Include(Opts, ixPrimary); {do not localize} {mbcs ok}
602	>	if Query.FieldByName('RDB$UNIQUE_FLAG').AsInteger = 1 then Include(Opts, ixUnique); {do not localize}
603	>	if Query.FieldByName('RDB$INDEX_TYPE').AsInteger = 2  then Include(Opts, ixDescending); {do not localize}
604	>	Options := Opts;
605	>	if (Query.FieldByName('RDB$SEGMENT_COUNT').AsInteger = 1) then {do not localize}
606	>	begin
607	>	fn := Trim(Query.FieldByName('RDB$FIELD_NAME').AsString); {do not localize}
608	>	aField := GetFieldDefFromAlias(fn);
609	>	if assigned(aField) then
610	>	Fields := aField.Name
611	>	else
612	>	Fields := fn;
613	>	end
614	>	else begin
615	>	SubQuery := TIBSQL.Create(self);
616	>	try
617	>	SubQuery.GoToFirstRecordOnExecute := False;
618	>	SubQuery.Database := DataBase;
619	>	SubQuery.Transaction := Database.InternalTransaction;
620	>	SubQuery.SQL.Text :=
621	>	'Select RDB$FIELD_NAME from RDB$INDEX_SEGMENTS where RDB$INDEX_NAME = ' + {do not localize}
622	>	'''' +
623	>	ExtractIdentifier(Database.SQLDialect,
624	>	QuoteIdentifier(DataBase.SQLDialect, Name)) +
625	>	'''' + 'ORDER BY RDB$FIELD_POSITION'; {do not localize}
626	>	SubQuery.Prepare;
627	>	SubQuery.ExecQuery;
628	>	Flds := '';
629	>	while (not SubQuery.EOF) and SubQuery.Next do
630	>	begin
631	>	fn := TrimRight(SubQuery.FieldByName('RDB$FIELD_NAME').AsString); {do not localize}
632	>	aField := GetFieldDefFromAlias(fn);
633	>	if assigned(aField) then
634	>	fn := aField.Name;
635	>	if (Flds = '') then
636	>	Flds := fn
637	>	else begin
638	>	Query.Next;
639	>	Flds := Flds + ';' + fn;
640	>	end;
641	>	end;
642	>	Fields := Flds;
643	>	finally
644	>	SubQuery.Free;
645	>	end;
646	>	end;
647	>	if (ixDescending in Opts) then
648	>	DescFields := Fields;
649	>	if ixPrimary in Opts then
650	>	FPrimaryIndexFields := Fields;
651	>	end;
652	>	end;
653	>	finally
654	>	Query.Free;
655	>	Database.InternalTransaction.Commit;
656	>	end;
657	>	end;
658	>	end;
659	>
660	>	function TIBTable.GetExists: Boolean;
661	>	var
662	>	Query: TIBSQL;
663	>	begin
664	>	Result := Active;
665	>	if Result or (TableName = '') then Exit;
666	>	Database.InternalTransaction.StartTransaction;
667	>	Query := TIBSQL.Create(self);
668	>	try
669	>	Query.Database := DataBase;
670	>	Query.Transaction := Database.InternalTransaction;
671	>	Query.SQL.Text :=
672	>	'Select USER from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
673	>	'''' +
674	>	ExtractIdentifier(Database.SQLDialect,
675	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
676	>	Query.Prepare;
677	>	Query.ExecQuery;
678	>	Result := not Query.EOF;
679	>	finally
680	>	Query.Free;
681	>	Database.InternalTransaction.Commit;
682	>	end;
683	>	end;
684	>
685	>	procedure TIBTable.GotoCurrent(Table: TIBTable);
686	>	begin
687	>	CheckBrowseMode;
688	>	Table.CheckBrowseMode;
689	>	if (Database <> Table.Database) or
690	>	(CompareText(TableName, Table.TableName) <> 0) then
691	>	IBError(ibxeTableNameMismatch, [nil]);
692	>	Table.UpdateCursorPos;
693	>	InternalGotoDBKey(Table.CurrentDBKey);
694	>	DoBeforeScroll;
695	>	Resync([rmExact, rmCenter]);
696	>	DoAfterScroll;
697	>	end;
698	>
699	>
700	>	procedure TIBTable.CreateTable;
701	>	var
702	>	FieldList: string;
703	>
704	>	procedure InitFieldsList;
705	>	var
706	>	I: Integer;
707	>	begin
708	>	InitFieldDefsFromFields;
709	>	for I := 0 to FieldDefs.Count - 1 do begin
710	>	if ( I > 0) then
711	>	FieldList := FieldList + ', ';
712	>	with FieldDefs[I] do
713	>	begin
714	>	case DataType of
715	>	ftString:
716	>	FieldList := FieldList +
717	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
718	>	' VARCHAR(' + IntToStr(Size) + ')'; {do not localize}
719	>	ftFixedChar:
720	>	FieldList := FieldList +
721	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
722	>	' CHAR(' + IntToStr(Size) + ')'; {do not localize}
723	>	ftBoolean:
724	>	FieldList := FieldList +
725	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
726	>	' BOOLEAN'; {do not localize}
727	>	ftSmallint, ftWord:
728	>	FieldList := FieldList +
729	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
730	>	' SMALLINT'; {do not localize}
731	>	ftInteger:
732	>	FieldList := FieldList +
733	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
734	>	' INTEGER'; {do not localize}
735	>	ftFloat, ftCurrency:
736	>	FieldList := FieldList +
737	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
738	>	' DOUBLE PRECISION'; {do not localize}
739	>	ftBCD: begin
740	>	if (Database.SQLDialect = 1) then begin
741	>	if (Precision > 9) then
742	>	IBError(ibxeFieldUnsupportedType,[nil]);
743	>	if (Precision <= 4) then
744	>	Precision := 9;
745	>	end;
746	>	if (Precision <= 4 ) then
747	>	FieldList := FieldList +
748	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
749	>	' Numeric(18, 4)' {do not localize}
750	>	else
751	>	FieldList := FieldList +
752	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
753	>	' Numeric(' + IntToStr(Precision) + ', 4)'; {do not localize}
754	>	end;
755	>	ftDate:
756	>	FieldList := FieldList +
757	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
758	>	' DATE'; {do not localize}
759	>	ftTime:
760	>	FieldList := FieldList +
761	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
762	>	' TIME'; {do not localize}
763	>	ftDateTime:
764	>	if (Database.SQLDialect = 1) then
765	>	FieldList := FieldList +
766	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
767	>	' DATE' {do not localize}
768	>	else
769	>	FieldList := FieldList +
770	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
771	>	' TIMESTAMP'; {do not localize}
772	>	ftLargeInt:
773	>	if (Database.SQLDialect = 1) then
774	>	IBError(ibxeFieldUnsupportedType,[nil])
775	>	else
776	>	FieldList := FieldList +
777	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
778	>	' Numeric(18, 0)'; {do not localize}
779	>	ftBlob, ftMemo:
780	>	FieldList := FieldList +
781	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
782	>	' BLOB SUB_TYPE 1'; {do not localize}
783	>	ftBytes, ftVarBytes, ftGraphic..ftTypedBinary:
784	>	FieldList := FieldList +
785	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
786	>	' BLOB SUB_TYPE 0'; {do not localize}
787	>	ftUnknown, ftADT, ftArray, ftReference, ftDataSet,
788	>	ftCursor, ftWideString, ftAutoInc:
789	>	IBError(ibxeFieldUnsupportedType,[nil]);
790	>	else
791	>	IBError(ibxeFieldUnsupportedType,[nil]);
792	>	end;
793	>	if faRequired in Attributes then
794	>	FieldList := FieldList + ' NOT NULL'; {do not localize}
795	>	end;
796	>	end;
797	>	end;
798	>
799	>	procedure InternalCreateTable;
800	>	var
801	>	I: Integer;
802	>	Query: TIBSQL;
803	>	begin
804	>	if (FieldList = '') then
805	>	IBError(ibxeFieldUnsupportedType,[nil]);
806	>	Query := TIBSQL.Create(self);
807	>	try
808	>	Query.Database := Database;
809	>	Query.transaction := Transaction;
810	>	Query.SQL.Text := 'Create Table ' +
811	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
812	>	' (' + FieldList; {do not localize}
813	>	for I := 0 to IndexDefs.Count - 1 do
814	>	with IndexDefs[I] do
815	>	if ixPrimary in Options then
816	>	begin
817	>	Query.SQL.Text := Query.SQL.Text + ', CONSTRAINT ' +
818	>	QuoteIdentifier(DataBase.SQLDialect, Name) +
819	>	' Primary Key (' +
820	>	FormatFieldsList(Fields) +
821	>	')';
822	>	end;
823	>	Query.SQL.Text := Query.SQL.Text + ')';
824	>	Query.Prepare;
825	>	Query.ExecQuery;
826	>	finally
827	>	Query.Free;
828	>	end;
829	>	end;
830	>
831	>	procedure InternalCreateIndex;
832	>	var
833	>	I: Integer;
834	>	begin
835	>	for I := 0 to IndexDefs.Count - 1 do
836	>	with IndexDefs[I] do
837	>	if not (ixPrimary in Options) then
838	>	AddIndex(Name, Fields, Options);
839	>	end;
840	>
841	>	begin
842	>	CheckInactive;
843	>	InitFieldsList;
844	>	InternalCreateTable;
845	>	InternalCreateIndex;
846	>	end;
847	>
848	>	procedure TIBTable.DeleteTable;
849	>	var
850	>	Query: TIBSQL;
851	>	begin
852	>	CheckInactive;
853	>	Query := TIBSQL.Create(self);
854	>	try
855	>	Query.Database := DataBase;
856	>	Query.Transaction := Transaction;
857	>	Query.SQL.Text := 'drop table ' +  {do not localize}
858	>	QuoteIdentifier(DataBase.SQLDialect, FTableName);
859	>	Query.Prepare;
860	>	Query.ExecQuery;
861	>	finally
862	>	Query.Free;
863	>	end;
864	>	end;
865	>
866	>	procedure TIBTable.EmptyTable;
867	>	var
868	>	Query: TIBSQL;
869	>	begin
870	>	if Active then
871	>	CheckBrowseMode;
872	>	Query := TIBSQL.Create(self);
873	>	try
874	>	Query.Database := DataBase;
875	>	Query.Transaction := Transaction;
876	>	Query.SQL.Text := 'delete from ' + {do not localize}
877	>	QuoteIdentifier(DataBase.SQLDialect, FTableName);
878	>	Query.Prepare;
879	>	Query.ExecQuery;
880	>	if Active then
881	>	begin
882	>	ClearBuffers;
883	>	DataEvent(deDataSetChange, 0);
884	>	end;
885	>	finally
886	>	Query.Free;
887	>	end;
888	>	end;
889	>
890	>	procedure TIBTable.DataEvent(Event: TDataEvent; Info: Ptrint);
891	>	begin
892	>	if Event = dePropertyChange then begin
893	>	IndexDefs.Updated := False;
894	>	FRegenerateSQL := True;
895	>	end;
896	>	inherited DataEvent(Event, Info);
897	>	end;
898	>
899	>	{ Informational & Property }
900	>
901	>	function TIBTable.GetCanModify: Boolean;
902	>	begin
903	>	Result := True;
904	>	if (FTableName = '') or FReadOnly
905	>	or FSystemTable or FMultiTableView then
906	>	Result := False;
907	>	end;
908	>
909	>	function TIBTable.InternalGetUpdatable: Boolean;
910	>	var
911	>	Query : TIBSQL;
912	>	begin
913	>	Database.InternalTransaction.StartTransaction;
914	>	Query := TIBSQL.Create(self);
915	>	try
916	>	Query.Database := DataBase;
917	>	Query.Transaction := Database.InternalTransaction;
918	>	Query.SQL.Text := 'Select RDB$SYSTEM_FLAG, RDB$DBKEY_LENGTH ' + {do not localize}
919	>	'from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize}
920	>	'''' +
921	>	ExtractIdentifier(Database.SQLDialect,
922	>	QuoteIdentifier(DataBase.SQLDialect, FTableName)) + '''';
923	>	Query.Prepare;
924	>	Query.ExecQuery;
925	>	if (Query.Fields[0].AsInteger <> 0) or
926	>	(Query.Fields[1].AsInteger <> 8) then
927	>	Result := False
928	>	else
929	>	Result := True;
930	>	finally
931	>	Query.Free;
932	>	Database.InternalTransaction.Commit;
933	>	end;
934	>	end;
935	>
936	>	function TIBTable.FieldDefsStored: Boolean;
937	>	begin
938	>	Result := StoreDefs and (FieldDefs.Count > 0);
939	>	end;
940	>
941	>	function TIBTable.IndexDefsStored: Boolean;
942	>	begin
943	>	Result := StoreDefs and (IndexDefs.Count > 0);
944	>	end;
945	>
946	>	procedure TIBTable.SetParams;
947	>	var
948	>	i: Integer;
949	>	begin
950	>	if (MasterSource = nil) or (MasterSource.DataSet = nil) or
951	>	(not MasterSource.DataSet.Active) or (FMasterFieldsList.Count = 0) then
952	>	exit;
953	>	for i := 0 to FMasterFieldsList.Count - 1 do
954	>	QSelect.Params.ByName(FMasterFieldsList.Strings[i]).Value :=
955	>	MasterSource.DataSet.FieldByName(FMasterFieldsList.Strings[i]).Value;
956	>	end;
957	>
958	>	procedure TIBTable.MasterChanged(Sender: TObject);
959	>	begin
960	>	CheckBrowseMode;
961	>	SetParams;
962	>	ReQuery;
963	>	end;
964	>
965	>	procedure TIBTable.MasterDisabled(Sender: TObject);
966	>	begin
967	>	DataEvent(dePropertyChange, 0);
968	>	ReQuery;
969	>	end;
970	>
971	>	function TIBTable.GetDataSource: TDataSource;
972	>	begin
973	>	Result := FMasterLink.DataSource;
974	>	end;
975	>
976	>	procedure TIBTable.SetDataSource(Value: TDataSource);
977	>	begin
978	>	if IsLinkedTo(Value) then IBError(ibxeCircularDataLink, [Self]);
979	>	if FMasterLink.DataSource <> Value then
980	>	DataEvent(dePropertyChange, 0);
981	>	FMasterLink.DataSource := Value;
982	>	end;
983	>
984	>	function TIBTable.GetMasterFields: string;
985	>	begin
986	>	Result := FMasterLink.FieldNames;
987	>	end;
988	>
989	>	procedure TIBTable.SetMasterFields(const Value: string);
990	>	begin
991	>	if FMasterLink.FieldNames <> Value then
992	>	DataEvent(dePropertyChange, 0);
993	>	FMasterLink.FieldNames := Value;
994	>	end;
995	>
996	>	procedure TIBTable.DoOnNewRecord;
997	>	var
998	>	I: Integer;
999	>	begin
1000	>	if FMasterLink.Active and (FMasterLink.Fields.Count > 0) then
1001	>	for I := 0 to FMasterLink.Fields.Count - 1 do
1002	>	IndexFields[I] := TField(FMasterLink.Fields[I]);
1003	>	inherited DoOnNewRecord;
1004	>	end;
1005	>
1006	>	function TIBTable.FormatFieldsList(Value: String): String;
1007	>	var
1008	>	FieldName: string;
1009	>	i: Integer;
1010	>	begin
1011	>	if Database.SQLDialect = 1 then begin
1012	>	Value := QuoteIdentifier(Database.SQLDialect, Value);
1013	>	Result := StringReplace (Value, ';', ', ', [rfReplaceAll]);
1014	>	end
1015	>	else begin
1016	>	i := 1;
1017	>	Result := '';
1018	>	while i <= Length(Value) do
1019	>	begin
1020	>	FieldName := ExtractFieldName(Value, i);
1021	>	if Result = '' then
1022	>	Result := QuoteIdentifier(Database.SQLDialect, FieldName)
1023	>	else
1024	>	Result := Result + ', ' + QuoteIdentifier(Database.SQLDialect, FieldName);
1025	>	end;
1026	>	end;
1027	>	end;
1028	>
1029	>	procedure TIBTable.ExtractLinkFields;
1030	>	var
1031	>	i: Integer;
1032	>	DetailFieldNames: String;
1033	>	begin
1034	>	FMasterFieldsList.Clear;
1035	>	FDetailFieldsList.Clear;
1036	>	i := 1;
1037	>	while i <= Length(MasterFields) do
1038	>	FMasterFieldsList.Add(ExtractFieldName(MasterFields, i));
1039	>	i := 1;
1040	>	if IndexFieldNames = '' then
1041	>	DetailFieldNames := FPrimaryIndexFields
1042	>	else
1043	>	DetailFieldNames := IndexFieldNames;
1044	>	while i <= Length(DetailFieldNames) do
1045	>	FDetailFieldsList.Add(ExtractFieldName(DetailFieldNames, i));
1046	>	end;
1047	>
1048	>	procedure TIBTable.GetDetailLinkFields(MasterFields, DetailFields: TList);
1049	>	var
1050	>	i: Integer;
1051	>	Idx: TIndexDef;
1052	>	begin
1053	>	MasterFields.Clear;
1054	>	DetailFields.Clear;
1055	>	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and
1056	>	(Self.MasterFields <> '') then
1057	>	begin
1058	>	Idx := nil;
1059	>	MasterSource.DataSet.GetFieldList(MasterFields, Self.MasterFields);
1060	>	UpdateIndexDefs;
1061	>	if IndexName <> '' then
1062	>	Idx := IndexDefs.Find(IndexName)
1063	>	else if IndexFieldNames <> '' then
1064	>	Idx := IndexDefs.GetIndexForFields(IndexFieldNames, False)
1065	>	else
1066	>	for i := 0 to IndexDefs.Count - 1 do
1067	>	if ixPrimary in IndexDefs[i].Options then
1068	>	begin
1069	>	Idx := IndexDefs[i];
1070	>	break;
1071	>	end;
1072	>	if Idx <> nil then
1073	>	GetFieldList(DetailFields, Idx.Fields);
1074	>	end;
1075	>	end;
1076	>
1077	>	procedure TIBTable.SetReadOnly(Value: Boolean);
1078	>	begin
1079	>	CheckInactive;
1080	>	FReadOnly := Value;
1081	>	end;
1082	>
1083	>	procedure TIBTable.SetTableName(Value: String);
1084	>	begin
1085	>	if not (csReading in ComponentState) then
1086	>	begin
1087	>	CheckInactive;
1088	>	if Value <> FTableName then
1089	>	begin
1090	>	ResetSQLStatements;
1091	>	FRegenerateSQL := True;
1092	>	FTableName := Value;
1093	>	IndexName := '';
1094	>	IndexFieldNames := '';
1095	>	FPrimaryIndexFields := '';
1096	>	DataEvent(dePropertyChange, 0);
1097	>	end;
1098	>	end
1099	>	else if Value <> FTableName then
1100	>	FTableName := Value;
1101	>	end;
1102	>
1103	>	function TIBTable.GetIndexField(Index: Integer): TField;
1104	>	var
1105	>	I, Count: Integer;
1106	>	FieldNames, FieldName: String;
1107	>	begin
1108	>	Result := nil;
1109	>	FieldName := '';
1110	>	FieldNames := IndexFieldNames;
1111	>	if FieldNames = '' then
1112	>	begin
1113	>	for I := 0 to IndexDefs.Count - 1 do
1114	>	if (IndexDefs[i].Name = FIndexName) then
1115	>	begin
1116	>	FieldNames := IndexDefs[i].Fields;
1117	>	break;
1118	>	end;
1119	>	end;
1120	>	for I := 0 to Index do
1121	>	begin
1122	>	Count := Pos(';', FieldNames); {mbcs OK}
1123	>	if Count = 0 then
1124	>	FieldName := FieldNames
1125	>	else begin
1126	>	FieldName := Copy(FieldNames, 0, Count - 1);
1127	>	System.Delete(FieldNames, 1, Count);
1128	>	end;
1129	>	end;
1130	>	if FieldName <> '' then
1131	>	Result := FieldByName(FieldName)
1132	>	else
1133	>	IBError(ibxeIndexFieldMissing, [nil]);
1134	>	end;
1135	>
1136	>
1137	>	procedure TIBTable.SetIndexField(Index: Integer; Value: TField);
1138	>	begin
1139	>	GetIndexField(Index).Assign(Value);
1140	>	end;
1141	>
1142	>	function TIBTable.GetIndexFieldCount: Integer;
1143	>	var
1144	>	I, Index: Integer;
1145	>	FieldNames: String;
1146	>	done: Boolean;
1147	>	begin
1148	>	FieldNames := IndexFieldNames;
1149	>	if FieldNames = '' then
1150	>	begin
1151	>	for I := 0 to IndexDefs.Count - 1 do
1152	>	if (IndexDefs[i].Name = FIndexName) then
1153	>	begin
1154	>	FieldNames := IndexDefs[i].Fields;
1155	>	break;
1156	>	end;
1157	>	end;
1158	>	if FieldNames = '' then
1159	>	Result := 0
1160	>	else
1161	>	begin
1162	>	done := False;
1163	>	Result := 1;
1164	>	while not done do
1165	>	begin
1166	>	Index := Pos(';', FieldNames); {mbcs ok}
1167	>	if Index <> 0 then
1168	>	begin
1169	>	System.Delete(FieldNames, 1, Index);
1170	>	Inc(Result);
1171	>	end else
1172	>	done := True;
1173	>	end;
1174	>	end;
1175	>	end;
1176	>
1177	>	function TIBTable.GetTableNames: TStrings;
1178	>	begin
1179	>	FNameList.clear;
1180	>	GetTableNamesFromServer;
1181	>	Result := FNameList;
1182	>	end;
1183	>
1184	>	procedure TIBTable.GetTableNamesFromServer;
1185	>	var
1186	>	Query : TIBSQL;
1187	>	begin
1188	>	if not (csReading in ComponentState) then begin
1189	>	ActivateConnection;
1190	>	Database.InternalTransaction.StartTransaction;
1191	>	Query := TIBSQL.Create(self);
1192	>	try
1193	>	Query.GoToFirstRecordOnExecute := False;
1194	>	Query.Database := DataBase;
1195	>	Query.Transaction := Database.InternalTransaction;
1196	>	if (TableTypes * [ttSystem, ttView] = [ttSystem, ttView]) then
1197	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' {do not localize}
1198	>	else if ttSystem in TableTypes then
1199	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1200	>	' where RDB$VIEW_BLR is NULL' {do not localize}
1201	>	else if ttView in TableTypes then
1202	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1203	>	' where RDB$SYSTEM_FLAG = 0' {do not localize}
1204	>	else
1205	>	Query.SQL.Text := 'Select RDB$RELATION_NAME from RDB$RELATIONS' + {do not localize}
1206	>	' where RDB$VIEW_BLR is NULL and RDB$SYSTEM_FLAG = 0'; {do not localize}
1207	>	Query.Prepare;
1208	>	Query.ExecQuery;
1209	>	while (not Query.EOF) and Query.Next  do
1210	>	FNameList.Add (TrimRight(Query.Fields[0].AsString));
1211	>	finally
1212	>	Query.Free;
1213	>	Database.InternalTransaction.Commit;
1214	>	end;
1215	>	end;
1216	>	end;
1217	>
1218	>	procedure TIBTable.SwitchToIndex();
1219	>	begin
1220	>	FSwitchingIndex := True;
1221	>	InternalTableRefresh;
1222	>	FSwitchingIndex := False;
1223	>	end;
1224	>
1225	>	procedure TIBTable.InternalTableRefresh();
1226	>	var
1227	>	DBKey: TIBDBKey;
1228	>	begin
1229	>	CheckActive;
1230	>	DBKey := CurrentDBKey;
1231	>	FRegenerateSQL := True;
1232	>	Reopen;
1233	>	if DBKey.DBKey[0] <> 0 then
1234	>	InternalGotoDBKey(DBKey);
1235	>	end;
1236	>
1237	>	procedure TIBTable.GenerateSQL;
1238	>	var
1239	>	i: Integer;
1240	>	SQL: TStrings;
1241	>	OrderByStr: string;
1242	>	bWhereClausePresent: Boolean;
1243	>	fn: string;
1244	>	aField: TFieldDef;
1245	>	begin
1246	>	bWhereClausePresent := False;
1247	>	Database.CheckActive;
1248	>	Transaction.CheckInTransaction;
1249	>	if IndexDefs.Updated = False then
1250	>	IndexDefs.Update;
1251	>	if IndexFieldNames <> '' then
1252	>	OrderByStr := FormatFieldsList(IndexFieldNames)
1253	>	else if IndexName <> '' then
1254	>	OrderByStr := FormatFieldsList(IndexDefs[IndexDefs.Indexof (IndexName)].Fields)
1255	>	else if FDefaultIndex and (FPrimaryIndexFields <> '') then
1256	>	OrderByStr := FormatFieldsList(FPrimaryIndexFields);
1257	>	SQL := TStringList.Create;
1258	>	SQL.Text := 'select ' + {do not localize}
1259	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1260	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1261	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName);
1262	>	if Filtered and (Filter <> '') then
1263	>	begin
1264	>	SQL.Text := SQL.Text + ' where ' + Filter; {do not localize}
1265	>	bWhereClausePresent := True;
1266	>	end;
1267	>	if (MasterSource <> nil) and (MasterSource.DataSet <> nil) and (MasterFields <> '') then
1268	>	begin
1269	>	if bWhereClausePresent then
1270	>	SQL.Text := SQL.Text + ' AND ' {do not localize}
1271	>	else
1272	>	SQL.Text := SQL.Text + ' WHERE '; {do not localize}
1273	>	ExtractLinkfields;
1274	>	if FDetailFieldsList.Count < FMasterFieldsList.Count then
1275	>	IBError(ibxeUnknownError, [nil]);
1276	>	for i := 0 to FMasterFieldsList.Count - 1 do
1277	>	begin
1278	>	if i > 0 then
1279	>	SQL.Text := SQL.Text + 'AND ';
1280	>	aField := FieldDefs.Find(FDetailFieldsList.Strings[i]);
1281	>	if assigned(aField) then
1282	>	fn := GetDBAliasName(aField.FieldNo)
1283	>	else
1284	>	fn := FDetailFieldsList.Strings[i]; {something wrong if we get here - but should word}
1285	>	SQL.Text := SQL.Text +
1286	>	QuoteIdentifier(DataBase.SQLDialect, fn) + ' = :' + FMasterFieldsList.Strings[i];
1287	>	end;
1288	>	end;
1289	>	if OrderByStr <> '' then
1290	>	SQL.Text := SQL.Text + ' order by ' + OrderByStr; {do not localize}
1291	>	SelectSQL.Assign(SQL);
1292	>	RefreshSQL.Text := 'select ' + {do not localize}
1293	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1294	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1295	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1296	>	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize}
1297	>	WhereDBKeyRefreshSQL.Assign(RefreshSQL);
1298	>	InternalPrepare;
1299	>	SQL.Free;
1300	>	end;
1301	>
1302	>	procedure TIBTable.GenerateUpdateSQL;
1303	>	var
1304	>	InsertFieldList, InsertParamList, UpdateFieldList: string;
1305	>	WherePrimaryFieldList, WhereAllFieldList,
1306	>	InsertReturningFieldList, UpdateReturningFieldList: string;
1307	>
1308	>	procedure GenerateFieldLists;
1309	>	var
1310	>	I: Integer;
1311	>	AllowReturningClause: boolean;
1312	>	begin
1313	>	{Is database Firebird 2.1 or later?}
1314	>	AllowReturningClause := (DatabaseInfo.ODSMajorVersion > 11) or
1315	>	((DatabaseInfo.ODSMajorVersion = 11) and (DatabaseInfo.ODSMinorVersion >= 1));
1316	>	for I := 0 to FieldDefs.Count - 1 do begin
1317	>	with TIBFieldDef(FieldDefs[I]) do begin
1318	>	if AllowReturningClause then
1319	>	begin
1320	>	if (faReadOnly in Attributes) or IdentityColumn then
1321	>	begin
1322	>	if InsertReturningFieldList <> '' then
1323	>	InsertReturningFieldList := InsertReturningFieldList + ', ' +
1324	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo))
1325	>	else
1326	>	InsertReturningFieldList := ' RETURNING ' +
1327	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo))
1328	>	end;
1329	>	if (faReadOnly in Attributes)  then
1330	>	begin
1331	>	if UpdateReturningFieldList <> '' then
1332	>	UpdateReturningFieldList := UpdateReturningFieldList + ', ' +
1333	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo))
1334	>	else
1335	>	UpdateReturningFieldList := ' RETURNING ' +
1336	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo))
1337	>	end;
1338	>	end;
1339	>	if not (InternalCalcField or (faReadOnly in Attributes) or
1340	>	(DataType = ftUnknown)) then
1341	>	begin
1342	>	if not IdentityColumn then
1343	>	begin
1344	>	if ( InsertFieldList <> '' ) then begin
1345	>	InsertFieldList := InsertFieldList + ', ';
1346	>	InsertParamList := InsertParamList + ', ';
1347	>	end;
1348	>	InsertFieldList := InsertFieldList +
1349	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo));
1350	>	InsertParamList := InsertParamList + ':' +  Name;
1351	>	end;
1352	>	if (UpdateFieldList <> '') then begin
1353	>	UpdateFieldList := UpdateFieldList + ', ';
1354	>	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1355	>	WhereAllFieldList := WhereAllFieldList + ' AND ';
1356	>	end;
1357	>	UpdateFieldList := UpdateFieldList +
1358	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) +
1359	>	' = :' + Name;
1360	>	if (DataType <> ftBlob) and (DataType <>ftMemo) then
1361	>	WhereAllFieldList := WhereAllFieldList +
1362	>	QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) + ' = :' +  Name;
1363	>	end;
1364	>	end;
1365	>	end;
1366	>	end;
1367	>
1368	>	procedure GenerateWherePrimaryFieldList;
1369	>	var
1370	>	i: Integer;
1371	>	tmp, fn: String;
1372	>	aField: TFieldDef;
1373	>	begin
1374	>	i := 1;
1375	>	while i <= Length(FPrimaryIndexFields) do
1376	>	begin
1377	>	tmp := ExtractFieldName(FPrimaryIndexFields, i);
1378	>	aField := FieldDefs.Find(tmp);
1379	>	if assigned(aField) then
1380	>	fn := GetDBAliasName(aField.FieldNo)
1381	>	else
1382	>	fn := tmp; {something wrong if we get here - but will work in most cases}
1383	>	tmp :=
1384	>	QuoteIdentifier(DataBase.SQLDialect, fn) +  ' = :' +
1385	>	QuoteIdentifier(DataBase.SQLDialect, tmp);{do not localize}
1386	>	if WherePrimaryFieldList <> '' then
1387	>	WherePrimaryFieldList :=
1388	>	WherePrimaryFieldList + ' AND ' + tmp
1389	>	else
1390	>	WherePrimaryFieldList := tmp;
1391	>	end;
1392	>	end;
1393	>
1394	>	begin
1395	>	if InternalGetUpdatable = False  then
1396	>	FReadOnly := True
1397	>	else
1398	>	begin
1399	>	DeleteSQL.Text := 'delete from ' + {do not localize}
1400	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1401	>	' where RDB$DB_KEY = ' + ':IBX_INTERNAL_DBKEY'; {do not localize}
1402	>	GenerateFieldLists;
1403	>	InsertSQL.Text := 'insert into ' + {do not localize}
1404	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1405	>	' (' + InsertFieldList + {do not localize}
1406	>	') values (' + InsertParamList + ')' + InsertReturningFieldList; {do not localize}
1407	>	ModifySQL.Text := 'update ' +
1408	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1409	>	' set ' + UpdateFieldList + {do not localize}
1410	>	' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY' + UpdateReturningFieldList; {do not localize}
1411	>	WhereAllRefreshSQL.Text := 'select ' +  {do not localize}
1412	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, '
1413	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1414	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1415	>	' where ' + WhereAllFieldList ; {do not localize}
1416	>	if FPrimaryIndexFields <> '' then
1417	>	begin
1418	>	GenerateWherePrimaryFieldList;
1419	>	WherePrimaryRefreshSQL.Text := 'select ' + {do not localize}
1420	>	QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize}
1421	>	+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize}
1422	>	+ QuoteIdentifier(DataBase.SQLDialect, FTableName) +
1423	>	' where ' + WherePrimaryFieldList; {do not localize}
1424	>	end;
1425	>	try
1426	>	InternalPrepare;
1427	>	except
1428	>	FReadonly := True;
1429	>	end;
1430	>	end;
1431	>	end;
1432	>
1433	>	procedure TIBTable.ResetSQLStatements;
1434	>	begin
1435	>	SelectSQL.Text := '';
1436	>	DeleteSQL.Text := '';
1437	>	InsertSQL.Text := '';
1438	>	ModifySQL.Text := '';
1439	>	RefreshSQL.Text := '';
1440	>	end;
1441	>
1442	>	procedure TIBTable.SetTableTypes(
1443	>	const Value: TIBTableTypes);
1444	>	begin
1445	>	FTableTypes := Value;
1446	>	end;
1447	>
1448	>	function TIBTable.InternalGotoDBKey(DBKey: TIBDBKey): Boolean;
1449	>
1450	>	function DBKeyCompare (DBKey1, DBKey2: TIBDBKey): Boolean;
1451	>	var
1452	>	I: Integer;
1453	>	begin
1454	>	for I := 0 to 7 do
1455	>	if (DBKey1.DBKey[i] <> DBKey2.DBKey[i]) then begin
1456	>	result := False;
1457	>	exit;
1458	>	end;
1459	>	result := True;
1460	>	end;
1461	>	begin
1462	>	CheckActive;
1463	>	DisableControls;
1464	>	try
1465	>	result := False;
1466	>	First;
1467	>	while ((not result) and (not EOF)) do begin
1468	>	if (DBKeyCompare (DBKey, PRecordData(GetActiveBuf)^.rdDBKey)) then
1469	>	result := True
1470	>	else
1471	>	Next;
1472	>	end;
1473	>	if not result then
1474	>	First
1475	>	else
1476	>	CursorPosChanged;
1477	>	finally
1478	>	EnableControls;
1479	>	end;
1480	>	end;
1481	>
1482	>	function TIBTable.GetCurrentDBKey: TIBDBKey;
1483	>	var
1484	>	Buf: pChar;
1485	>	begin
1486	>	CheckActive;
1487	>	buf := GetActiveBuf;
1488	>	if Buf <> nil then
1489	>	Result := PRecordData(Buf)^.rdDBKey
1490	>	else
1491	>	Result.DBKey[0] := 0;
1492	>	end;
1493	>
1494	>	procedure TIBTable.Reopen;
1495	>	begin
1496	>	DisableControls;
1497	>	try
1498	>	if Active then
1499	>	begin
1500	>	SetState(dsInactive);
1501	>	CloseCursor;
1502	>	OpenCursor(false);
1503	>	SetState(dsBrowse);
1504	>	end;
1505	>	finally
1506	>	EnableControls;
1507	>	end;
1508	>	end;
1509	>
1510	>	end.

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