-
Notifications
You must be signed in to change notification settings - Fork 6
/
Copy pathCommand.cpp
1275 lines (1090 loc) · 32.8 KB
/
Command.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* Copyright (C) 2008 Search Solution Corporation. All rights reserved by Search Solution.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - Neither the name of the <ORGANIZATION> nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
*/
// Command.cpp : Implementation of CCUBRIDCommand
#include "stdafx.h"
#include "DataSource.h"
#include "Command.h"
#include "Rowset.h"
#include "MultipleResult.h"
#include "Session.h"
#include "util.h"
#include "type.h"
#include "row.h"
#include "ProviderInfo.h"
#include "error.h"
CCUBRIDDataSource *CCUBRIDCommand::GetDataSourcePtr()
{
return GetSessionPtr()->GetDataSourcePtr();
}
CCUBRIDSession *CCUBRIDCommand::GetSessionPtr()
{
return CCUBRIDSession::GetSessionPtr(this);
}
CCUBRIDCommand *CCUBRIDCommand::GetCommandPtr(IObjectWithSite *pSite)
{
CComPtr<ICommand> spCom;
HRESULT hr = pSite->GetSite(__uuidof(ICommand), (void **)&spCom);
// 제대로 프로그래밍 됐을때, 실패하는 경우가 있을까?
ATLASSERT(SUCCEEDED(hr));
// 굳이 오버헤드를 감수해가며 dynamic_cast를 쓸 필요는 없을 듯
return static_cast<CCUBRIDCommand *>((ICommand *)spCom);
}
CCUBRIDCommand::CCUBRIDCommand()
: m_hReq(0), m_cExpectedRuns(0), m_prepareIndex(0), m_isPrepared(false),
m_cParams(0), m_cParamsInQuery(0), m_pParamInfo(NULL)
{
ATLTRACE(atlTraceDBProvider, 3, "CCUBRIDCommand::CCUBRIDCommand\n");
m_phAccessor = NULL;
m_pBindings = NULL;
m_cBindings = 0;
}
CCUBRIDCommand::~CCUBRIDCommand()
{
ATLTRACE(atlTraceDBProvider, 3, "CCUBRIDCommand::~CCUBRIDCommand\n");
if(m_hReq>0)
{
cci_close_req_handle(m_hReq);
m_hReq = 0;
}
if(m_pParamInfo)
{
for(DBCOUNTITEM i=0;i<m_cParams;i++)
SysFreeString(m_pParamInfo[i].pwszName);
CoTaskMemFree(m_pParamInfo);
}
if(m_spUnkSite)
GetSessionPtr()->RegisterTxnCallback(this, false);
}
STDMETHODIMP CCUBRIDCommand::SetSite(IUnknown *pUnkSite)
{
HRESULT hr = IObjectWithSiteImpl<CCUBRIDCommand>::SetSite(pUnkSite);
GetSessionPtr()->RegisterTxnCallback(this, true);
return hr;
}
void CCUBRIDCommand::TxnCallback(const ITxnCallback *pOwner)
{
if(pOwner!=this)
{
cci_close_req_handle(m_hReq);
m_hReq = 0;
m_isPrepared = false;
}
}
HRESULT CCUBRIDCommand::OnPropertyChanged(ULONG iCurSet, DBPROP* pDBProp)
{
HRESULT hr = CUBRIDOnPropertyChanged(this, iCurSet, pDBProp);
if(hr==S_FALSE)
return ICommandPropertiesImpl<CCUBRIDCommand>::OnPropertyChanged(iCurSet, pDBProp);
else
return hr;
}
HRESULT CCUBRIDCommand::IsValidValue(ULONG iCurSet, DBPROP* pDBProp)
{
ATLASSERT(pDBProp);
if(pDBProp->dwPropertyID==DBPROP_ROWSET_ASYNCH)
{
// TODO: PREPOPULATE와 POPULATEONDEMAND 둘 다 세팅하는 건 에러겠지?
LONG val = V_I4(&pDBProp->vValue);
if(val==0 || val==DBPROPVAL_ASYNCH_PREPOPULATE // --> synchronous
|| val==DBPROPVAL_ASYNCH_POPULATEONDEMAND) // --> asynchronous
return S_OK;
return S_FALSE;
}
if (pDBProp->dwPropertyID == DBPROP_MAXROWS)
{
if ( V_I4(&pDBProp->vValue) < 0 )
return S_FALSE;
}
return ICommandPropertiesImpl<CCUBRIDCommand>::IsValidValue(iCurSet, pDBProp);
}
//ICommandText::SetCommandText
STDMETHODIMP CCUBRIDCommand::SetCommandText(REFGUID rguidDialect,LPCOLESTR pwszCommand)
{
ATLTRACE(atlTraceDBProvider, 0, L"CCUBRIDCommand::SetCommandText with SQL '%s'\n",
pwszCommand ? pwszCommand : L"");
HRESULT hr;
ClearError();
hr = ICommandTextImpl<CCUBRIDCommand>::SetCommandText(rguidDialect, pwszCommand);
Util::ExtractTableName(m_strCommandText, m_strTableName);
//새로 Command를 세팅한 경우 unprepared 상태로 만든다.
m_isPrepared = false;
return hr;
}
STDMETHODIMP CCUBRIDCommand::PrepareCommand(int hConn, UINT uCodepage, REFIID riid)
{
// OID 추출
{
BSTR strNewCMD = ::SysAllocStringLen(NULL, m_strCommandText.Length());
int idxNewCMD = 0;
int idxOID = 1;
char in_str = 0;
char in_comment = 0;
char line_comment = 0;
//OID의 형태는 다음과 같은 패턴을 찾는다.
// '으로 둘러쌓여 있고 '다음에는 @가 온다.
// @다음은 |가 두 번 와야 하고 다음으로 닫는 '가 와야 한다.
//by risensh1ne
wchar_t *pos = m_strCommandText;
while(*pos)
{
if (in_str) {
if (*pos == '\'')
in_str = 0;
}
else if (in_comment) {
if (line_comment && *pos == '\n') {
in_comment = 0;
}
else if (!line_comment && wcsncmp(pos, L"*/", 2) == 0) {
in_comment = 0;
strNewCMD[idxNewCMD++] = *pos++;
}
}
else {
if (*pos == '\'')
in_str = 1;
if (wcsncmp(pos, L"//", 2) == 0 || wcsncmp(pos, L"--", 2) == 0) {
in_comment = 1;
line_comment = 1;
strNewCMD[idxNewCMD++] = *pos++;
}
else if (wcsncmp(pos, L"/*", 2) == 0) {
in_comment = 1;
line_comment = 0;
strNewCMD[idxNewCMD++] = *pos++;
}
}
if(!in_comment && *pos=='@')
{
if(*(pos-1)=='\'')
{
wchar_t *end = wcschr(pos, '\'');
wchar_t *delimiter = wcschr(pos, '|');
if (delimiter)
{
delimiter = wcschr(delimiter, '|');
if (delimiter && delimiter < end)
{
if(end==NULL) break; //error가 날 것임
*end = 0;
strNewCMD[idxNewCMD-1] = '?';
m_gOID.Add(CW2A(pos, uCodepage));
m_gOIDIndex.Add(idxOID);
idxOID++;
pos = end+1;
continue;
}
}
}
}
if(!in_str && !in_comment && *pos=='?') idxOID++;
strNewCMD[idxNewCMD] = *pos;
idxNewCMD++;
pos++;
}
strNewCMD[idxNewCMD] = 0;
m_strCommandText.Attach(strNewCMD);
m_cParamsInQuery = idxOID - (DBCOUNTITEM)m_gOID.GetCount() - 1;
}
int return_code;
T_CCI_ERROR error;
char prepareFlag = 0;
CComVariant propVal;
if (riid != GUID_NULL)
{
//if (Util::RequestedRIIDNeedsOID(riid))
// prepareFlag |= CCI_PREPARE_INCLUDE_OID;
if (Util::RequestedRIIDNeedsUpdatability(riid))
prepareFlag |= (CCI_PREPARE_INCLUDE_OID | CCI_PREPARE_UPDATABLE);
}
#ifndef FIXME
GetPropValue(&DBPROPSET_ROWSET, DBPROP_IRowsetInfo, &propVal);
if (propVal.boolVal == ATL_VARIANT_TRUE)
prepareFlag = CCI_PREPARE_INCLUDE_OID | CCI_PREPARE_UPDATABLE;
#endif
GetPropValue(&DBPROPSET_ROWSET, DBPROP_IRowsetChange, &propVal);
if (propVal.boolVal == ATL_VARIANT_TRUE)
prepareFlag = CCI_PREPARE_INCLUDE_OID | CCI_PREPARE_UPDATABLE;
GetPropValue(&DBPROPSET_ROWSET, DBPROP_IRowsetUpdate, &propVal);
if (propVal.boolVal == ATL_VARIANT_TRUE)
prepareFlag = CCI_PREPARE_INCLUDE_OID | CCI_PREPARE_UPDATABLE;
GetPropValue(&DBPROPSET_ROWSET, DBPROP_IRowsetRefresh, &propVal);
if (propVal.boolVal == ATL_VARIANT_TRUE)
prepareFlag = CCI_PREPARE_INCLUDE_OID | CCI_PREPARE_UPDATABLE;
GetPropValue(&DBPROPSET_ROWSET, DBPROP_OTHERUPDATEDELETE, &propVal);
if (propVal.boolVal == ATL_VARIANT_TRUE)
prepareFlag = CCI_PREPARE_INCLUDE_OID | CCI_PREPARE_UPDATABLE;
GetPropValue(&DBPROPSET_ROWSET, DBPROP_IRow, &propVal);
if (propVal.boolVal == ATL_VARIANT_TRUE)
prepareFlag = CCI_PREPARE_INCLUDE_OID | CCI_PREPARE_UPDATABLE;
if(prepareFlag&CCI_PREPARE_UPDATABLE)
{
cci_set_holdability(hConn, 0);
}
if ((return_code = cci_prepare(hConn, CW2A(m_strCommandText.m_str, uCodepage), prepareFlag, &error)) < 0)
{
if (return_code == CCI_ER_DBMS)
{
int error_code = error.err_code;
return RaiseError(DB_E_ERRORSINCOMMAND, 1, __uuidof(ICommandPrepare), CA2W(error.err_msg, uCodepage));
}
show_error("cci_prepare failed", return_code, &error);
return E_FAIL;
}
m_hReq = return_code;
m_prepareIndex = 0;
return S_OK;
}
//ICommand::Execute
STDMETHODIMP CCUBRIDCommand::Execute(IUnknown * pUnkOuter, REFIID riid, DBPARAMS * pParams,
DBROWCOUNT * pcRowsAffected, IUnknown ** ppRowset)
{
ATLTRACE2(atlTraceDBProvider, 2, _T("CCUBRIDCommand::Execute\n"));
HRESULT hr = S_OK;
T_CCI_ERROR error;
int return_code;
int numQuery;
CCUBRIDRowset* pRowset = NULL;
T_CCI_QUERY_RESULT *qr = NULL;
int result_count;
CComVariant var;
bool bIsAsyncExec = false;
bool bCreateRow = false;
bool bMultiple = false;
// 현재 오류객체를 제거한다.
ClearError();
m_bIsExecuting = TRUE;
if (ppRowset)
*ppRowset = NULL;
if (riid != IID_NULL && !ppRowset)
{
hr = E_INVALIDARG;
goto ExecuteError2;
}
if (pUnkOuter && riid != IID_IUnknown)
return DB_E_NOAGGREGATION;
if (m_strCommandText.Length()==0)
{
hr = DB_E_NOCOMMAND;
goto ExecuteError2;
}
int hConn = GetSessionPtr()->GetConnection();
UINT uCodepage = GetSessionPtr()->GetCodepage();
//cci_prepare 하는 부분
if (!m_isPrepared || m_cExpectedRuns==m_prepareIndex)
{
if (SUCCEEDED(hr = PrepareCommand(hConn, uCodepage, riid)))
{
m_isPrepared = true;
m_cExpectedRuns = 1;
} else
{
goto ExecuteError2;
}
}
if (m_cParamsInQuery && pParams==NULL)
{
hr = DB_E_PARAMNOTOPTIONAL;
goto ExecuteError2;
}
if (m_cParamsInQuery)
{
if (pParams->cParamSets==0 || pParams->pData==NULL)
{
hr = E_INVALIDARG;
goto ExecuteError2;
}
ATLBINDINGS *pBinding = 0;
{
if(!m_rgBindings.Lookup((ULONG)pParams->hAccessor, pBinding) || pBinding==NULL)
{
hr = DB_E_BADACCESSORHANDLE;
goto ExecuteError2;
}
if(!(pBinding->dwAccessorFlags & DBACCESSOR_PARAMETERDATA))
{
hr = DB_E_BADACCESSORTYPE;
goto ExecuteError2;
}
}
if (pBinding->cBindings < m_cParamsInQuery)
{
hr = DB_E_PARAMNOTOPTIONAL;
goto ExecuteError2;
}
for(DBCOUNTITEM i=0;i<pBinding->cBindings;i++)
{
DBBINDING &rCurBind = pBinding->pBindings[i];
DWORD dwPart = rCurBind.dwPart;
DBTYPE wType = rCurBind.wType & ~DBTYPE_BYREF;
T_CCI_A_TYPE aType = Type::GetCASTypeA(wType);
T_CCI_U_TYPE uType = Type::GetCASTypeU(wType);
DBSTATUS* dwStatus = (dwPart&DBPART_STATUS) ? (DBSTATUS *)((BYTE*)pParams->pData+rCurBind.obStatus) : NULL;
DBORDINAL iOrdinal = rCurBind.iOrdinal;
if (m_pParamInfo && m_pParamInfo[i].iOrdinal == iOrdinal)
{
HRESULT _hr = m_spConvert->CanConvert(m_pParamInfo[i].wType, wType);
if (_hr == S_FALSE)
{
*dwStatus = DB_E_UNSUPPORTEDCONVERSION;
hr = DB_E_ERRORSOCCURRED;
goto ExecuteError2;
}
if (FAILED(_hr))
{
*dwStatus = DB_E_UNSUPPORTEDCONVERSION;
hr = _hr;
goto ExecuteError2;
}
}
//Get Revised Ordinal
for(size_t j=0;j<m_gOID.GetCount();j++)
{
if(m_gOIDIndex[j]<=(int)iOrdinal)
iOrdinal++;
}
void *pSrc = (dwPart&DBPART_VALUE) ? ((BYTE*)pParams->pData+rCurBind.obValue) : NULL;
if( (rCurBind.wType&DBTYPE_BYREF) && pSrc )
pSrc = *(void **)pSrc;
DBLENGTH ulLength = 0;
if(dwPart&DBPART_LENGTH)
ulLength = *(DBLENGTH *)((BYTE*)pParams->pData+rCurBind.obLength);
else
{
if (pSrc)
{
switch(wType)
{
case DBTYPE_STR: ulLength = (DBLENGTH)strlen((const char *)pSrc); break;
case DBTYPE_WSTR: ulLength = (DBLENGTH)wcslen((const wchar_t *)pSrc); break;
case DBTYPE_BYTES: ulLength = rCurBind.cbMaxLen; break;
case DBTYPE_VARNUMERIC: ulLength = rCurBind.cbMaxLen; break;
case DBTYPE_VARIANT:
VARIANT* var = (VARIANT *)pSrc;
DBTYPE varType = var->vt;
//Length가 필요한 경우가 또 있을까?
switch (varType)
{
case VT_BSTR : ulLength = (DBLENGTH)wcslen((const wchar_t *)var->bstrVal);
break;
}
}
} else
{
ulLength = 0;
}
}
void *cci_value = NULL;
if(dwStatus && *dwStatus==DBSTATUS_S_ISNULL)
{
aType = CCI_A_TYPE_FIRST;
uType = CCI_U_TYPE_NULL;
} else if (dwStatus && *dwStatus==DBSTATUS_S_IGNORE)
{
*dwStatus=DBSTATUS_E_BADSTATUS;
hr = DB_E_ERRORSOCCURRED;
goto ExecuteError2;
} else
{
if (!pSrc)
{
hr = DB_E_ERRORSOCCURRED;
goto ExecuteError2;
}
hr = Type::OLEDBValueToCCIValue(wType, &aType, &uType, pSrc, ulLength, &cci_value, dwStatus, m_spConvert, uCodepage);
if (FAILED(hr))
goto ExecuteError2;
}
#ifndef LTM
//NCHAR 형식일 경우 CHAR 형식으로 변환하여 바인딩한다.
if (uType == CCI_U_TYPE_NCHAR)
uType = CCI_U_TYPE_CHAR;
else if (uType == CCI_U_TYPE_VARNCHAR)
uType = CCI_U_TYPE_STRING;
#endif
if (return_code = cci_bind_param(m_hReq, (int) iOrdinal, aType, cci_value, uType, 0) < 0)
{
show_error("cci_bind_param_failed", return_code, &error);
if (cci_value) CoTaskMemFree(cci_value);
hr = DB_E_ERRORSOCCURRED;
*dwStatus = DBSTATUS_E_BADACCESSOR;
goto ExecuteError2;
}
if (cci_value) CoTaskMemFree(cci_value);
}
}
//OID Binding
if (m_gOID.GetCount() > 0)
{
for (size_t i = 0; i < m_gOID.GetCount(); i++)
{
if (return_code = cci_bind_param(m_hReq, m_gOIDIndex[i], CCI_A_TYPE_STR, m_gOID[i].GetBuffer(), CCI_U_TYPE_OBJECT, 0) < 0)
{
show_error("OID binding failed", return_code, &error);
hr = E_FAIL;
goto ExecuteError2;
}
}
}
if (pcRowsAffected)
*pcRowsAffected = DB_COUNTUNAVAILABLE;
//Asynch option 확인
/*
GetPropValue(&DBPROPSET_ROWSET, DBPROP_ROWSET_ASYNCH, &var);
ATLASSERT(V_VT(&var)==VT_I4);
if (V_I4(&var)&DBPROPVAL_ASYNCH_POPULATEONDEMAND)
bIsAsyncExec = true;
*/
//DBPROP_IRow 처리
GetPropValue(&DBPROPSET_ROWSET, DBPROP_IRow, &var);
ATLASSERT(V_VT(&var)==VT_BOOL);
if (V_BOOL(&var) == ATL_VARIANT_TRUE)
bCreateRow = true;
//DBPROP_IMultipleResults
GetPropValue(&DBPROPSET_ROWSET, DBPROP_IMultipleResults, &var);
ATLASSERT(V_VT(&var)==VT_BOOL);
if (V_BOOL(&var) == ATL_VARIANT_TRUE)
bMultiple = true;
if (bIsAsyncExec)
{
if ((return_code = cci_execute(m_hReq, CCI_EXEC_QUERY_ALL|CCI_EXEC_ASYNC, 0, &error)) < 0)
{
show_error("cci_execute_failed", return_code, &error);
hr = E_FAIL;
goto ExecuteError;
}
if ((numQuery = cci_execute_result(m_hReq, &qr, &error)) < 0)
{
show_error("cci_execute_result_failed", return_code, &error);
hr = E_FAIL;
goto ExecuteError;
}
result_count = 0;
} else
{
if ((return_code = cci_execute(m_hReq, CCI_EXEC_QUERY_ALL, 0, &error)) < 0)
{
/*
if (error.err_code == -495)
{
hr = DB_E_CANTCONVERTVALUE;
goto ExecuteError;
}
*/
show_error("cci_execute_failed", return_code, &error);
hr = E_FAIL;
goto ExecuteError;
}
//쿼리 수행 결과를 가져온다
if ((numQuery = cci_execute_result(m_hReq, &qr, &error)) < 0)
{
show_error("cci_execute_result_failed", return_code, &error);
hr = E_FAIL;
goto ExecuteError;
}
result_count = CCI_QUERY_RESULT_RESULT(qr, 1);
}
T_CCI_CUBRID_STMT cmd_type = (T_CCI_CUBRID_STMT)CCI_QUERY_RESULT_STMT_TYPE(qr, 1);
if (riid == IID_IMultipleResults || bMultiple)
{
//처리할 질의수가 하나이고 업데이트 질의일 경우,
//모든 질의가 업데이트 질의인 경우
//Execute 타임에 커밋한다.
bool isUpdateAll = true;
if (numQuery == 1)
{
if (cmd_type!=CUBRID_STMT_SELECT &&
cmd_type!=CUBRID_STMT_GET_STATS &&
cmd_type!=CUBRID_STMT_CALL &&
cmd_type!=CUBRID_STMT_EVALUATE)
GetSessionPtr()->AutoCommit(0);
} else {
for (int i = 1; i <= numQuery; i++)
{
cmd_type = (T_CCI_CUBRID_STMT)CCI_QUERY_RESULT_STMT_TYPE(qr, i);
if (cmd_type==CUBRID_STMT_SELECT ||
cmd_type==CUBRID_STMT_GET_STATS ||
cmd_type==CUBRID_STMT_CALL ||
cmd_type==CUBRID_STMT_EVALUATE)
{
isUpdateAll = false;
break;
}
}
if (isUpdateAll)
GetSessionPtr()->AutoCommit(0);
}
// MultipleResult 객체 생성
{
if (pUnkOuter != NULL && !InlineIsEqualUnknown(riid))
{
hr = DB_E_NOAGGREGATION;
goto ExecuteError2;
}
CComPolyObject<CMultipleResult>* pPolyObj;
hr = CComPolyObject<CMultipleResult>::CreateInstance(pUnkOuter, &pPolyObj);
if (FAILED(hr))
goto ExecuteError2;
// Ref the created COM object and Auto release it on failure
CComPtr<IUnknown> spUnk;
hr = pPolyObj->QueryInterface(&spUnk);
if (FAILED(hr))
{
delete pPolyObj; // must hand delete as it is not ref'd
goto ExecuteError2;
}
pPolyObj->m_contained.Initialize(this, uCodepage, qr, pParams, numQuery, isUpdateAll);
// Command object의 IUnknown을 MultipleResult의 Site로 설정한다.
{
CComPtr<IUnknown> spOuterUnk;
QueryInterface(__uuidof(IUnknown), (void **)&spOuterUnk);
pPolyObj->m_contained.SetSite(spOuterUnk);
}
hr = pPolyObj->QueryInterface(riid, (void **)ppRowset);
if(FAILED(hr))
goto ExecuteError2;
}
if (pcRowsAffected)
*pcRowsAffected = result_count;
}
else if (riid == IID_IRow || bCreateRow)
{
// TODO: return 대신 goto ExecuteError?
// 조건에 맞는 Row가 하나도 없을 때
if(result_count==0)
return DB_E_NOTFOUND;
if(ppRowset && (
cmd_type==CUBRID_STMT_SELECT ||
cmd_type==CUBRID_STMT_GET_STATS ||
cmd_type==CUBRID_STMT_CALL ||
cmd_type==CUBRID_STMT_EVALUATE))
{
//Row object를 생성한다.
CComPolyObject<CCUBRIDRow> *pRow;
hr = CComPolyObject<CCUBRIDRow>::CreateInstance(pUnkOuter, &pRow);
if(FAILED(hr))
goto ExecuteError2;
// 생성된 COM 객체를 참조해서, 실패시 자동 해제하도록 한다.
CComPtr<IUnknown> spUnk;
hr = pRow->QueryInterface(&spUnk);
if(FAILED(hr))
{
delete pRow; // 참조되지 않았기 때문에 수동으로 지운다.
goto ExecuteError2;
}
// Command object의 IUnknown을 Row의 Site로 설정한다.
CComPtr<IUnknown> spOuterUnk;
QueryInterface(__uuidof(IUnknown), (void **)&spOuterUnk);
pRow->m_contained.SetSite(spOuterUnk, CCUBRIDRow::FromCommand);
hr = pRow->m_contained.Initialize(m_hReq);
if(FAILED(hr))
{
delete pRow;
goto ExecuteError2;
}
//생성된 Row 객체의 IRow 인터페이스 반환
hr = pRow->QueryInterface(riid, (void **)ppRowset);
if(FAILED(hr))
goto ExecuteError2;
// LTM에서 이에 대한 고려를 하지 않고 있다.
// 일단 주석 처리한다.
//if (result_count > 1)
// hr = DB_S_NOTSINGLETON;
} else
{
GetSessionPtr()->AutoCommit(0);
if (pcRowsAffected)
*pcRowsAffected = result_count;
}
} else
{
if(ppRowset && (
cmd_type==CUBRID_STMT_SELECT ||
cmd_type==CUBRID_STMT_GET_STATS ||
cmd_type==CUBRID_STMT_CALL ||
cmd_type==CUBRID_STMT_EVALUATE))
{
hr = CreateRowset<CCUBRIDRowset>(pUnkOuter, riid, pParams, pcRowsAffected, ppRowset, pRowset);
if (*ppRowset)
pRowset->InitFromCommand(m_hReq, uCodepage,result_count, bIsAsyncExec);
} else
{
GetSessionPtr()->AutoCommit(0);
if (pcRowsAffected)
*pcRowsAffected = result_count;
}
}
m_prepareIndex++;
m_bIsExecuting = FALSE;
return hr;
ExecuteError:
m_prepareIndex = 0;
m_bIsExecuting = FALSE;
return RaiseError(hr, 1, __uuidof(ICommand), CA2W(error.err_msg, uCodepage));
//에러 스트링이 따로 없는 경우
ExecuteError2:
m_prepareIndex = 0;
m_bIsExecuting = FALSE;
return RaiseError(hr, 0, __uuidof(ICommand));
}
STDMETHODIMP CCUBRIDCommand::Prepare(ULONG cExpectedRuns)
{
HRESULT hr = S_OK;
// 현재 오류객체를 제거한다.
ClearError();
//Command가 세팅되어 있지 않을 때
if (m_strCommandText.Length()==0)
{
hr = DB_E_NOCOMMAND;
goto PrepareError;
}
//Rowset이 하나라도 열려있는 상태면 DB_E_OBJECTOPEN을 리턴
if (m_cRowsetsOpen > 0)
{
hr = DB_E_OBJECTOPEN;
goto PrepareError;
}
// 현재 Command에 대해 세팅되어 있는 프로퍼티들의 상태를 검사한다
bool bOptFailed = false;
bool bReqFailed = false;
{
ULONG pcPropertySets;
DBPROPSET *prgPropertySets;
hr = ICommandPropertiesImpl<CCUBRIDCommand>::GetProperties(0, NULL,
&pcPropertySets, &prgPropertySets);
if(FAILED(hr))
goto PrepareError;
for (ULONG i = 0; i < prgPropertySets->cProperties; i++)
{
if (prgPropertySets->rgProperties[i].dwOptions == DBPROPOPTIONS_REQUIRED &&
prgPropertySets->rgProperties[i].dwStatus == DBPROPSTATUS_NOTSET)
bReqFailed = true;
if (prgPropertySets->rgProperties[i].dwOptions == DBPROPOPTIONS_OPTIONAL &&
prgPropertySets->rgProperties[i].dwStatus == DBPROPSTATUS_NOTSET)
bOptFailed = true;
VariantClear(&(prgPropertySets->rgProperties[i].vValue));
}
CoTaskMemFree(prgPropertySets->rgProperties);
CoTaskMemFree(prgPropertySets);
}
if (bReqFailed)
{
hr = DB_E_ERRORSOCCURRED;
goto PrepareError;
}
//Connection handle을 가져온다
int hConn = GetSessionPtr()->GetConnection();
UINT uCodepage = GetSessionPtr()->GetCodepage();
hr = PrepareCommand(hConn, uCodepage);
if (FAILED(hr))
goto PrepareError;
//몇 번 주기로 prepare를 다시 할 것인지를 저장
m_cExpectedRuns = cExpectedRuns;
//현재 Command에 대해 열려있는 Rowset 수를 0으로
m_cRowsetsOpen = 0;
m_isPrepared = true;
return bOptFailed ? DB_S_ERRORSOCCURRED : S_OK;
PrepareError:
return RaiseError(hr, 0, __uuidof(ICommandPrepare));
}
STDMETHODIMP CCUBRIDCommand::Unprepare(void)
{
// 현재 오류객체를 제거한다.
ClearError();
HRESULT hr = S_OK;
if (m_cRowsetsOpen > 0)
{
hr = DB_E_OBJECTOPEN;
goto UnprepareError;
}
//Prepare된 상태가 아닐때
if (!m_hReq)
return S_OK;
//if (!m_isPrepared)
// return DB_E_NOTPREPARED;
//prepare 주기를 0으로, request handle을 해제
m_cExpectedRuns = 0;
if (cci_close_req_handle(m_hReq) < 0)
{
hr = E_FAIL;
goto UnprepareError;
}
m_hReq = 0;
m_isPrepared = false;
return hr;
UnprepareError:
return RaiseError(hr, 0, __uuidof(ICommandPrepare));
}
STDMETHODIMP CCUBRIDCommand::MapColumnIDs(DBORDINAL cColumnIDs, const DBID rgColumnIDs[],
DBORDINAL rgColumns[])
{
ClearError();
if ((cColumnIDs != 0 && rgColumnIDs == NULL) || rgColumns == NULL)
return E_INVALIDARG;
if (m_strCommandText.Length()==0)
return DB_E_NOCOMMAND;
if (!m_isPrepared)
return DB_E_NOTPREPARED;
return IColumnsInfoImpl<CCUBRIDCommand>::MapColumnIDs(cColumnIDs, rgColumnIDs, rgColumns);
}
STDMETHODIMP CCUBRIDCommand::GetColumnInfo(DBORDINAL *pcColumns, DBCOLUMNINFO **prgInfo,
OLECHAR **ppStringsBuffer)
{
ATLTRACE(atlTraceDBProvider, 2, _T("UniCommand:GetColumnInfo\n"));
HRESULT hr = S_OK;
ClearError();
if (pcColumns)
*pcColumns = 0;
if (prgInfo)
*prgInfo = NULL;
if (ppStringsBuffer)
*ppStringsBuffer = NULL;
if (!pcColumns || !prgInfo || !ppStringsBuffer)
{
return E_INVALIDARG;
}
if(m_strCommandText.Length()==0)
return DB_E_NOCOMMAND;
if(!m_isPrepared)
return DB_E_NOTPREPARED;
hr = IColumnsInfoImpl<CCUBRIDCommand>::GetColumnInfo(pcColumns, prgInfo, ppStringsBuffer);
if (*pcColumns == 0)
{
*prgInfo = NULL;
*ppStringsBuffer = NULL;
}
return hr;
}
ATLCOLUMNINFO* CCUBRIDCommand::GetColumnInfo(CCUBRIDCommand* pv, DBORDINAL* pcInfo)
{
if(!pv->m_Columns.m_pInfo)
{
CComVariant var;
pv->GetPropValue(&DBPROPSET_ROWSET, DBPROP_BOOKMARKS, &var);
//MAX_STRING_LENGTH를 얻기 위해
CCUBRIDDataSource* pDS = pv->GetDataSourcePtr();
// TODO : check error?
pv->m_Columns.GetColumnInfo(pv->m_hReq, pv->m_uCodepage, V_BOOL(&var)==ATL_VARIANT_TRUE, pDS->PARAM_MAX_STRING_LENGTH);
}
if(pcInfo)
*pcInfo = pv->m_Columns.m_cColumns;
return pv->m_Columns.m_pInfo;
}
STDMETHODIMP CCUBRIDCommand::GetParameterInfo(
DB_UPARAMS *pcParams,
DBPARAMINFO **prgParamInfo,
OLECHAR **ppNamesBuffer)
{
ATLTRACE(atlTraceDBProvider, 2, _T("CCUBRIDCommand::GetParameterInfo\n"));
ClearError();
if(pcParams)
*pcParams = 0;
if(prgParamInfo)
*prgParamInfo = 0;
if(ppNamesBuffer)
*ppNamesBuffer = 0;
if(pcParams==NULL || prgParamInfo==NULL)
return E_INVALIDARG;
if(m_cParams==0)
return DB_E_PARAMUNAVAILABLE;
// SQL에서 파라미터 정보를 얻을 수 없으므로
// DB_E_NOCOMMAND, DB_E_NOTPREPARED를 반환하는 경우는 없다.
*prgParamInfo = (DBPARAMINFO *)CoTaskMemAlloc(m_cParams*sizeof(DBPARAMINFO));
if(*prgParamInfo==NULL)
return E_OUTOFMEMORY;
if(ppNamesBuffer)
{
size_t cCount = 0;
for(DBCOUNTITEM i=0;i<m_cParams;i++)
{
//끝의 NULL 문자까지 고려하여 cCount를 계산한다
if(m_pParamInfo[i].pwszName)
cCount += wcslen(m_pParamInfo[i].pwszName) + 1;
}
*ppNamesBuffer = (OLECHAR *)CoTaskMemAlloc(cCount*sizeof(OLECHAR));
if(*ppNamesBuffer==NULL)
{
CoTaskMemFree(*prgParamInfo);
*prgParamInfo = 0;
return E_OUTOFMEMORY;
}
}
//파라메터 갯수 카피
*pcParams = m_cParams;
//파라메터 정보 구조체 배열 카피
memcpy(*prgParamInfo, m_pParamInfo, m_cParams*sizeof(DBPARAMINFO));
//파라메터 이름을 이어 붙인다.
size_t cCount = 0;
for(DBCOUNTITEM i=0;i<m_cParams;i++)
{
if(m_pParamInfo[i].pwszName)
{
wcscpy((*ppNamesBuffer)+cCount, m_pParamInfo[i].pwszName);
(*prgParamInfo)[i].pwszName = (*ppNamesBuffer)+cCount;
cCount += wcslen(m_pParamInfo[i].pwszName) + 1;