1 |
tony |
17 |
{************************************************************************}
|
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 IBQuery;
|
35 |
|
|
|
36 |
|
|
interface
|
37 |
|
|
|
38 |
|
|
{$Mode Delphi}
|
39 |
|
|
|
40 |
|
|
uses
|
41 |
|
|
{$IFDEF WINDOWS }
|
42 |
|
|
Windows,
|
43 |
|
|
{$ELSE}
|
44 |
|
|
unix,
|
45 |
|
|
{$ENDIF}
|
46 |
|
|
SysUtils, Graphics, Classes, Controls, Db,
|
47 |
tony |
21 |
IBHeader, IB, IBCustomDataSet, IBSQL, IBSQLParser;
|
48 |
tony |
17 |
|
49 |
|
|
type
|
50 |
|
|
|
51 |
|
|
{ TIBQuery }
|
52 |
|
|
|
53 |
tony |
21 |
TIBQuery = class(TIBParserDataSet)
|
54 |
tony |
17 |
private
|
55 |
|
|
FSQL: TStrings;
|
56 |
|
|
FPrepared: Boolean;
|
57 |
|
|
FParams: TParams;
|
58 |
|
|
FText: string;
|
59 |
|
|
FRowsAffected: Integer;
|
60 |
|
|
FCheckRowsAffected: Boolean;
|
61 |
tony |
21 |
FSQLUpdating: boolean;
|
62 |
tony |
17 |
function GetRowsAffected: Integer;
|
63 |
tony |
27 |
procedure PrepareSQL;
|
64 |
tony |
17 |
procedure QueryChanged(Sender: TObject);
|
65 |
|
|
procedure ReadParamData(Reader: TReader);
|
66 |
|
|
procedure SetQuery(Value: TStrings);
|
67 |
|
|
procedure SetParamsList(Value: TParams);
|
68 |
|
|
procedure SetParams;
|
69 |
|
|
procedure SetParamsFromCursor;
|
70 |
|
|
procedure SetPrepared(Value: Boolean);
|
71 |
|
|
procedure SetPrepare(Value: Boolean);
|
72 |
|
|
procedure WriteParamData(Writer: TWriter);
|
73 |
|
|
function GetStmtHandle: TISC_STMT_HANDLE;
|
74 |
|
|
|
75 |
|
|
protected
|
76 |
|
|
{ IProviderSupport }
|
77 |
|
|
(* procedure PSExecute; override;
|
78 |
|
|
function PSGetParams: TParams; override;
|
79 |
|
|
function PSGetTableName: string; override;
|
80 |
|
|
procedure PSSetCommandText(const CommandText: string); override;
|
81 |
|
|
procedure PSSetParams(AParams: TParams); override; *)
|
82 |
|
|
|
83 |
tony |
21 |
function CreateParser: TSelectSQLParser; override;
|
84 |
tony |
17 |
procedure DefineProperties(Filer: TFiler); override;
|
85 |
|
|
procedure InitFieldDefs; override;
|
86 |
|
|
procedure InternalOpen; override;
|
87 |
|
|
procedure Disconnect; override;
|
88 |
|
|
function GetParamsCount: Word;
|
89 |
|
|
function GenerateQueryForLiveUpdate : Boolean;
|
90 |
|
|
procedure SetFiltered(Value: Boolean); override;
|
91 |
|
|
|
92 |
|
|
public
|
93 |
|
|
constructor Create(AOwner: TComponent); override;
|
94 |
|
|
destructor Destroy; override;
|
95 |
|
|
procedure BatchInput(InputObject: TIBBatchInput);
|
96 |
|
|
procedure BatchOutput(OutputObject: TIBBatchOutput);
|
97 |
|
|
procedure ExecSQL;
|
98 |
|
|
procedure GetDetailLinkFields(MasterFields, DetailFields: TList);(* override;*)
|
99 |
|
|
function ParamByName(const Value: string): TParam;
|
100 |
|
|
procedure Prepare;
|
101 |
|
|
procedure UnPrepare;
|
102 |
|
|
property Prepared: Boolean read FPrepared write SetPrepare;
|
103 |
|
|
property ParamCount: Word read GetParamsCount;
|
104 |
|
|
property StmtHandle: TISC_STMT_HANDLE read GetStmtHandle;
|
105 |
|
|
property StatementType;
|
106 |
|
|
property Text: string read FText;
|
107 |
|
|
property RowsAffected: Integer read GetRowsAffected;
|
108 |
|
|
// property Params: TParams read FParams write SetParamsList;
|
109 |
tony |
21 |
property BaseSQLSelect;
|
110 |
tony |
17 |
|
111 |
|
|
published
|
112 |
|
|
property Active;
|
113 |
tony |
23 |
property AutoCommit;
|
114 |
tony |
17 |
property BufferChunks;
|
115 |
|
|
property CachedUpdates;
|
116 |
|
|
property DataSource read GetDataSource write SetDataSource;
|
117 |
tony |
19 |
property GenerateParamNames;
|
118 |
tony |
17 |
// property Constraints stored ConstraintsStored;
|
119 |
|
|
property GeneratorField;
|
120 |
|
|
property ParamCheck;
|
121 |
|
|
property SQL: TStrings read FSQL write SetQuery;
|
122 |
tony |
19 |
property Params: TParams read FParams write SetParamsList;
|
123 |
tony |
17 |
property UniDirectional default False;
|
124 |
|
|
property UpdateObject;
|
125 |
|
|
property Filtered;
|
126 |
tony |
27 |
property DataSetCloseAction;
|
127 |
tony |
17 |
|
128 |
|
|
property BeforeDatabaseDisconnect;
|
129 |
|
|
property AfterDatabaseDisconnect;
|
130 |
|
|
property DatabaseFree;
|
131 |
|
|
property BeforeTransactionEnd;
|
132 |
|
|
property AfterTransactionEnd;
|
133 |
|
|
property TransactionFree;
|
134 |
|
|
property OnFilterRecord;
|
135 |
tony |
27 |
property OnValidatePost;
|
136 |
tony |
17 |
end;
|
137 |
|
|
|
138 |
|
|
implementation
|
139 |
|
|
|
140 |
|
|
{ TIBQuery }
|
141 |
|
|
|
142 |
|
|
constructor TIBQuery.Create(AOwner: TComponent);
|
143 |
|
|
begin
|
144 |
|
|
inherited Create(AOwner);
|
145 |
|
|
FSQL := TStringList.Create;
|
146 |
|
|
TStringList(SQL).OnChange := QueryChanged;
|
147 |
|
|
FParams := TParams.Create(Self);
|
148 |
|
|
ParamCheck := True;
|
149 |
|
|
FRowsAffected := -1;
|
150 |
|
|
end;
|
151 |
|
|
|
152 |
|
|
destructor TIBQuery.Destroy;
|
153 |
|
|
begin
|
154 |
|
|
Destroying;
|
155 |
|
|
Disconnect;
|
156 |
|
|
SQL.Free;
|
157 |
|
|
FParams.Free;
|
158 |
|
|
inherited Destroy;
|
159 |
|
|
end;
|
160 |
|
|
|
161 |
|
|
procedure TIBQuery.InitFieldDefs;
|
162 |
|
|
begin
|
163 |
|
|
inherited InitFieldDefs;
|
164 |
|
|
end;
|
165 |
|
|
|
166 |
|
|
procedure TIBQuery.InternalOpen;
|
167 |
|
|
begin
|
168 |
|
|
ActivateConnection();
|
169 |
|
|
ActivateTransaction;
|
170 |
tony |
19 |
QSelect.GenerateParamNames := GenerateParamNames;
|
171 |
tony |
17 |
SetPrepared(True);
|
172 |
|
|
if DataSource <> nil then
|
173 |
|
|
SetParamsFromCursor;
|
174 |
|
|
SetParams;
|
175 |
|
|
inherited InternalOpen;
|
176 |
|
|
end;
|
177 |
|
|
|
178 |
|
|
procedure TIBQuery.Disconnect;
|
179 |
|
|
begin
|
180 |
|
|
Close;
|
181 |
|
|
UnPrepare;
|
182 |
|
|
end;
|
183 |
|
|
|
184 |
|
|
procedure TIBQuery.SetPrepare(Value: Boolean);
|
185 |
|
|
begin
|
186 |
|
|
if Value then
|
187 |
|
|
Prepare
|
188 |
|
|
else
|
189 |
|
|
UnPrepare;
|
190 |
|
|
end;
|
191 |
|
|
|
192 |
|
|
procedure TIBQuery.Prepare;
|
193 |
|
|
begin
|
194 |
|
|
SetPrepared(True);
|
195 |
|
|
end;
|
196 |
|
|
|
197 |
|
|
procedure TIBQuery.UnPrepare;
|
198 |
|
|
begin
|
199 |
|
|
SetPrepared(False);
|
200 |
|
|
end;
|
201 |
|
|
|
202 |
|
|
procedure TIBQuery.SetQuery(Value: TStrings);
|
203 |
|
|
begin
|
204 |
|
|
if SQL.Text <> Value.Text then
|
205 |
|
|
begin
|
206 |
|
|
Disconnect;
|
207 |
|
|
SQL.BeginUpdate;
|
208 |
|
|
try
|
209 |
|
|
SQL.Assign(Value);
|
210 |
|
|
finally
|
211 |
|
|
SQL.EndUpdate;
|
212 |
|
|
end;
|
213 |
|
|
end;
|
214 |
|
|
end;
|
215 |
|
|
|
216 |
|
|
procedure TIBQuery.QueryChanged(Sender: TObject);
|
217 |
|
|
var
|
218 |
|
|
List: TParams;
|
219 |
|
|
begin
|
220 |
|
|
if not (csReading in ComponentState) then
|
221 |
|
|
begin
|
222 |
|
|
Disconnect;
|
223 |
tony |
21 |
if HasParser and not FSQLUpdating then
|
224 |
|
|
begin
|
225 |
|
|
FSQLUpdating := true;
|
226 |
|
|
try
|
227 |
|
|
SQL.Text := Parser.SQLText;
|
228 |
|
|
finally
|
229 |
|
|
FSQLUpdating := false
|
230 |
|
|
end;
|
231 |
|
|
end;
|
232 |
tony |
17 |
if ParamCheck or (csDesigning in ComponentState) then
|
233 |
|
|
begin
|
234 |
|
|
List := TParams.Create(Self);
|
235 |
|
|
try
|
236 |
|
|
FText := List.ParseSQL(SQL.Text, True);
|
237 |
|
|
List.AssignValues(FParams);
|
238 |
|
|
FParams.Clear;
|
239 |
|
|
FParams.Assign(List);
|
240 |
|
|
finally
|
241 |
|
|
List.Free;
|
242 |
|
|
end;
|
243 |
|
|
end else
|
244 |
|
|
FText := SQL.Text;
|
245 |
|
|
DataEvent(dePropertyChange, 0);
|
246 |
|
|
end else
|
247 |
|
|
FText := FParams.ParseSQL(SQL.Text, true);
|
248 |
|
|
SelectSQL.Assign(SQL);
|
249 |
|
|
end;
|
250 |
|
|
|
251 |
|
|
procedure TIBQuery.SetParamsList(Value: TParams);
|
252 |
|
|
begin
|
253 |
|
|
FParams.AssignValues(Value);
|
254 |
|
|
end;
|
255 |
|
|
|
256 |
|
|
function TIBQuery.GetParamsCount: Word;
|
257 |
|
|
begin
|
258 |
|
|
Result := FParams.Count;
|
259 |
|
|
end;
|
260 |
|
|
|
261 |
|
|
procedure TIBQuery.DefineProperties(Filer: TFiler);
|
262 |
|
|
|
263 |
|
|
function WriteData: Boolean;
|
264 |
|
|
begin
|
265 |
|
|
{The following results in a stream read error with nested frames. Hence commented out until
|
266 |
|
|
someone fixes the LCL }
|
267 |
|
|
{ if Filer.Ancestor <> nil then
|
268 |
|
|
Result := not FParams.IsEqual(TIBQuery(Filer.Ancestor).FParams) else}
|
269 |
|
|
Result := FParams.Count > 0;
|
270 |
|
|
end;
|
271 |
|
|
|
272 |
|
|
begin
|
273 |
|
|
inherited DefineProperties(Filer);
|
274 |
|
|
Filer.DefineProperty('ParamData', ReadParamData, WriteParamData, WriteData); {do not localize}
|
275 |
|
|
end;
|
276 |
|
|
|
277 |
tony |
21 |
|
278 |
tony |
17 |
procedure TIBQuery.ReadParamData(Reader: TReader);
|
279 |
|
|
begin
|
280 |
|
|
FParams.Clear;
|
281 |
|
|
Reader.ReadValue;
|
282 |
|
|
Reader.ReadCollection(FParams);
|
283 |
|
|
end;
|
284 |
|
|
|
285 |
|
|
procedure TIBQuery.WriteParamData(Writer: TWriter);
|
286 |
|
|
begin
|
287 |
|
|
Writer.WriteCollection(Params);
|
288 |
|
|
end;
|
289 |
|
|
|
290 |
|
|
procedure TIBQuery.SetPrepared(Value: Boolean);
|
291 |
|
|
begin
|
292 |
|
|
CheckDatasetClosed;
|
293 |
|
|
if Value <> Prepared then
|
294 |
|
|
begin
|
295 |
|
|
if Value then
|
296 |
|
|
begin
|
297 |
|
|
FRowsAffected := -1;
|
298 |
|
|
FCheckRowsAffected := True;
|
299 |
tony |
27 |
if Length(Text) > 1 then PrepareSQL
|
300 |
tony |
17 |
else IBError(ibxeEmptySQLStatement, [nil]);
|
301 |
|
|
end
|
302 |
|
|
else
|
303 |
|
|
begin
|
304 |
|
|
if FCheckRowsAffected then
|
305 |
|
|
FRowsAffected := RowsAffected;
|
306 |
|
|
InternalUnPrepare;
|
307 |
|
|
end;
|
308 |
|
|
FPrepared := Value;
|
309 |
|
|
end;
|
310 |
|
|
end;
|
311 |
|
|
|
312 |
|
|
procedure TIBQuery.SetParamsFromCursor;
|
313 |
|
|
var
|
314 |
|
|
I: Integer;
|
315 |
|
|
DataSet: TDataSet;
|
316 |
|
|
Field: TField;
|
317 |
|
|
|
318 |
|
|
procedure CheckRequiredParams;
|
319 |
|
|
var
|
320 |
|
|
I: Integer;
|
321 |
|
|
begin
|
322 |
|
|
for I := 0 to FParams.Count - 1 do
|
323 |
|
|
with FParams[I] do
|
324 |
|
|
if not Bound then
|
325 |
tony |
27 |
IBError(ibxeRequiredParamNotSet, [FParams[I].Name]);
|
326 |
tony |
17 |
end;
|
327 |
|
|
|
328 |
|
|
begin
|
329 |
|
|
if DataSource <> nil then
|
330 |
|
|
begin
|
331 |
|
|
DataSet := DataSource.DataSet;
|
332 |
|
|
if DataSet <> nil then
|
333 |
|
|
begin
|
334 |
|
|
DataSet.FieldDefs.Update;
|
335 |
|
|
for I := 0 to FParams.Count - 1 do
|
336 |
|
|
if not FParams[I].Bound then
|
337 |
|
|
begin
|
338 |
|
|
Field := DataSet.FindField(FParams[I].Name);
|
339 |
|
|
if assigned(Field) then
|
340 |
|
|
begin
|
341 |
|
|
FParams[I].AssignField(Field);
|
342 |
|
|
FParams[I].Bound := False;
|
343 |
|
|
end;
|
344 |
|
|
end;
|
345 |
|
|
end
|
346 |
|
|
else
|
347 |
|
|
CheckRequiredParams;
|
348 |
|
|
end
|
349 |
|
|
else
|
350 |
|
|
CheckRequiredParams;
|
351 |
|
|
end;
|
352 |
|
|
|
353 |
|
|
|
354 |
|
|
function TIBQuery.ParamByName(const Value: string): TParam;
|
355 |
|
|
begin
|
356 |
|
|
Result := FParams.ParamByName(Value);
|
357 |
|
|
end;
|
358 |
|
|
|
359 |
|
|
procedure TIBQuery.BatchInput(InputObject: TIBBatchInput);
|
360 |
|
|
begin
|
361 |
|
|
InternalBatchInput(InputObject);
|
362 |
|
|
end;
|
363 |
|
|
|
364 |
|
|
procedure TIBQuery.BatchOutput(OutputObject: TIBBatchOutput);
|
365 |
|
|
begin
|
366 |
|
|
InternalBatchOutput(OutputObject);
|
367 |
|
|
end;
|
368 |
|
|
|
369 |
|
|
procedure TIBQuery.ExecSQL;
|
370 |
|
|
var
|
371 |
|
|
DidActivate: Boolean;
|
372 |
|
|
begin
|
373 |
|
|
CheckInActive;
|
374 |
|
|
if SQL.Count <= 0 then
|
375 |
|
|
begin
|
376 |
|
|
FCheckRowsAffected := False;
|
377 |
|
|
IBError(ibxeEmptySQLStatement, [nil]);
|
378 |
|
|
end;
|
379 |
|
|
ActivateConnection();
|
380 |
|
|
DidActivate := ActivateTransaction;
|
381 |
|
|
try
|
382 |
|
|
SetPrepared(True);
|
383 |
|
|
if DataSource <> nil then SetParamsFromCursor;
|
384 |
|
|
if FParams.Count > 0 then SetParams;
|
385 |
|
|
InternalExecQuery;
|
386 |
|
|
finally
|
387 |
|
|
if DidActivate then
|
388 |
|
|
DeactivateTransaction;
|
389 |
|
|
FCheckRowsAffected := True;
|
390 |
|
|
end;
|
391 |
|
|
end;
|
392 |
|
|
|
393 |
|
|
procedure TIBQuery.SetParams;
|
394 |
|
|
|
395 |
|
|
var
|
396 |
|
|
i : integer;
|
397 |
|
|
Buffer: Pointer;
|
398 |
tony |
21 |
SQLParam: TIBXSQLVAR;
|
399 |
tony |
17 |
|
400 |
|
|
begin
|
401 |
|
|
for I := 0 to FParams.Count - 1 do
|
402 |
|
|
begin
|
403 |
tony |
21 |
SQLParam := SQLParams.ByName(Params[i].Name);
|
404 |
tony |
17 |
if Params[i].IsNull then
|
405 |
tony |
21 |
SQLParam.IsNull := True
|
406 |
tony |
17 |
else begin
|
407 |
tony |
21 |
SQLParam.IsNull := False;
|
408 |
tony |
17 |
case Params[i].DataType of
|
409 |
|
|
ftBytes:
|
410 |
|
|
begin
|
411 |
|
|
GetMem(Buffer,Params[i].GetDataSize);
|
412 |
|
|
try
|
413 |
|
|
Params[i].GetData(Buffer);
|
414 |
tony |
21 |
SQLParam.AsPointer := Buffer;
|
415 |
tony |
17 |
finally
|
416 |
|
|
FreeMem(Buffer);
|
417 |
|
|
end;
|
418 |
|
|
end;
|
419 |
|
|
ftString:
|
420 |
tony |
21 |
SQLParam.AsString := Params[i].AsString;
|
421 |
tony |
23 |
ftBoolean:
|
422 |
|
|
SQLParam.AsBoolean := Params[i].AsBoolean;
|
423 |
|
|
ftSmallint, ftWord:
|
424 |
tony |
21 |
SQLParam.AsShort := Params[i].AsSmallInt;
|
425 |
tony |
17 |
ftInteger:
|
426 |
tony |
21 |
SQLParam.AsLong := Params[i].AsInteger;
|
427 |
tony |
19 |
ftLargeInt:
|
428 |
tony |
21 |
SQLParam.AsInt64 := Params[i].AsLargeInt;
|
429 |
tony |
17 |
ftFloat:
|
430 |
tony |
21 |
SQLParam.AsDouble := Params[i].AsFloat;
|
431 |
tony |
17 |
ftBCD, ftCurrency:
|
432 |
tony |
21 |
SQLParam.AsCurrency := Params[i].AsCurrency;
|
433 |
tony |
17 |
ftDate:
|
434 |
tony |
21 |
SQLParam.AsDate := Params[i].AsDateTime;
|
435 |
tony |
17 |
ftTime:
|
436 |
tony |
21 |
SQLParam.AsTime := Params[i].AsDateTime;
|
437 |
tony |
17 |
ftDateTime:
|
438 |
tony |
21 |
SQLParam.AsDateTime := Params[i].AsDateTime;
|
439 |
tony |
17 |
ftBlob, ftMemo:
|
440 |
tony |
21 |
SQLParam.AsString := Params[i].AsString;
|
441 |
tony |
17 |
else
|
442 |
|
|
IBError(ibxeNotSupported, [nil]);
|
443 |
|
|
end;
|
444 |
|
|
end;
|
445 |
|
|
end;
|
446 |
|
|
end;
|
447 |
|
|
|
448 |
tony |
27 |
procedure TIBQuery.PrepareSQL;
|
449 |
tony |
17 |
begin
|
450 |
tony |
19 |
QSelect.GenerateParamNames := GenerateParamNames;
|
451 |
tony |
17 |
InternalPrepare;
|
452 |
|
|
end;
|
453 |
|
|
|
454 |
|
|
|
455 |
|
|
function TIBQuery.GetRowsAffected: Integer;
|
456 |
|
|
begin
|
457 |
|
|
Result := -1;
|
458 |
|
|
if Prepared then
|
459 |
|
|
Result := QSelect.RowsAffected
|
460 |
|
|
end;
|
461 |
|
|
|
462 |
|
|
|
463 |
|
|
procedure TIBQuery.GetDetailLinkFields(MasterFields, DetailFields: TList);
|
464 |
|
|
|
465 |
|
|
function AddFieldToList(const FieldName: string; DataSet: TDataSet;
|
466 |
|
|
List: TList): Boolean;
|
467 |
|
|
var
|
468 |
|
|
Field: TField;
|
469 |
|
|
begin
|
470 |
|
|
Field := DataSet.FindField(FieldName);
|
471 |
|
|
if (Field <> nil) then
|
472 |
|
|
List.Add(Field);
|
473 |
|
|
Result := Field <> nil;
|
474 |
|
|
end;
|
475 |
|
|
|
476 |
|
|
var
|
477 |
|
|
i: Integer;
|
478 |
|
|
begin
|
479 |
|
|
MasterFields.Clear;
|
480 |
|
|
DetailFields.Clear;
|
481 |
|
|
if (DataSource <> nil) and (DataSource.DataSet <> nil) then
|
482 |
|
|
for i := 0 to Params.Count - 1 do
|
483 |
|
|
if AddFieldToList(Params[i].Name, DataSource.DataSet, MasterFields) then
|
484 |
|
|
AddFieldToList(Params[i].Name, Self, DetailFields);
|
485 |
|
|
end;
|
486 |
|
|
|
487 |
|
|
function TIBQuery.GetStmtHandle: TISC_STMT_HANDLE;
|
488 |
|
|
begin
|
489 |
|
|
Result := SelectStmtHandle;
|
490 |
|
|
end;
|
491 |
|
|
|
492 |
tony |
21 |
function TIBQuery.CreateParser: TSelectSQLParser;
|
493 |
|
|
begin
|
494 |
|
|
Result := inherited CreateParser;
|
495 |
|
|
Result.OnSQLChanging := QueryChanged;
|
496 |
|
|
end;
|
497 |
|
|
|
498 |
tony |
17 |
function TIBQuery.GenerateQueryForLiveUpdate : Boolean;
|
499 |
|
|
begin
|
500 |
|
|
Result := False;
|
501 |
|
|
end;
|
502 |
|
|
|
503 |
|
|
procedure TIBQuery.SetFiltered(Value: Boolean);
|
504 |
|
|
begin
|
505 |
|
|
if(Filtered <> Value) then
|
506 |
|
|
begin
|
507 |
|
|
inherited SetFiltered(value);
|
508 |
|
|
if Active then
|
509 |
|
|
begin
|
510 |
|
|
Close;
|
511 |
|
|
Open;
|
512 |
|
|
end;
|
513 |
|
|
end
|
514 |
|
|
else
|
515 |
|
|
inherited SetFiltered(value);
|
516 |
|
|
end;
|
517 |
|
|
|
518 |
|
|
{ TIBQuery IProviderSupport }
|
519 |
|
|
(*
|
520 |
|
|
function TIBQuery.PSGetParams: TParams;
|
521 |
|
|
begin
|
522 |
|
|
Result := Params;
|
523 |
|
|
end;
|
524 |
|
|
|
525 |
|
|
procedure TIBQuery.PSSetParams(AParams: TParams);
|
526 |
|
|
begin
|
527 |
|
|
if AParams.Count <> 0 then
|
528 |
|
|
Params.Assign(AParams);
|
529 |
|
|
Close;
|
530 |
|
|
end;
|
531 |
|
|
|
532 |
|
|
function TIBQuery.PSGetTableName: string;
|
533 |
|
|
begin
|
534 |
|
|
Result := inherited PSGetTableName;
|
535 |
|
|
end;
|
536 |
|
|
|
537 |
|
|
procedure TIBQuery.PSExecute;
|
538 |
|
|
begin
|
539 |
|
|
ExecSQL;
|
540 |
|
|
end;
|
541 |
|
|
|
542 |
|
|
procedure TIBQuery.PSSetCommandText(const CommandText: string);
|
543 |
|
|
begin
|
544 |
|
|
if CommandText <> '' then
|
545 |
|
|
SQL.Text := CommandText;
|
546 |
|
|
end;
|
547 |
|
|
*)
|
548 |
|
|
end.
|
549 |
tony |
23 |
|