static void TRANSACTION_ChangeState (
unsigned long txHigh,
unsigned long txLow,
CString& strOperation,
CTypedPtrList < CObList, CaTableTransactionItemData* >& ls)
{
unsigned long lLow, lHigh;
CaTableTransactionItemData* pObj = NULL;
POSITION pos = ls.GetHeadPosition();
while (pos != NULL)
{
pObj = ls.GetNext (pos);
pObj->GetTransactionID (lHigh, lLow);
if (txHigh == lHigh && txLow == lLow)
{
if (strOperation.CompareNoCase (_T("COMMIT")) == 0)
{
pObj->SetCommit (TRUE);
pObj->SetJournal (TRUE);
}
else
if (strOperation.CompareNoCase (_T("ABORT")) == 0)
{
pObj->SetCommit (FALSE);
pObj->SetJournal (TRUE);
}
else
if (strOperation.CompareNoCase (_T("COMMITNJ")) == 0)
{
pObj->SetCommit (TRUE);
pObj->SetJournal (FALSE);
}
else
if (strOperation.CompareNoCase (_T("ABORTNJ")) == 0)
{
pObj->SetCommit (FALSE);
pObj->SetJournal (FALSE);
}
else
{
//
// String in OPERATION in not in ('commit', 'abort', 'commitnj', 'abortnj')
ASSERT (FALSE);
}
}
}
}
BOOL IJA_llQueryTableTransaction (
CaQueryTransactionInfo* pQueryInfo,
CTypedPtrList<CObList, CaColumn*>* pListColumn,
CTypedPtrList < CObList, CaTableTransactionItemData* >& listTransaction)
{
CString strDatabase;
CString strDatabaseOwner;
CString strTable;
CString strTableOwner;
CString strStatement;
pQueryInfo->GetDatabase (strDatabase, strDatabaseOwner);
pQueryInfo->GetTable (strTable, strTableOwner);
//
// Open the session:
CaTemporarySession session (pQueryInfo->GetNode(), strDatabase);
if (!session.IsConnected())
{
//
// Failedto get Session.
CString strMsg;
strMsg.LoadString (IDS_FAIL_TO_GETSESSION);
AfxMessageBox (strMsg);
return FALSE;
}
CString strTempTable = _T("");
CString csGranteeList = _T(""); /* no grantee list required here */
BOOL bOK = IJA_TableAuditdbOutput (pQueryInfo, &session, strTempTable, pListColumn, csGranteeList);
if (!bOK) {
session.Release(SESSION_ROLLBACK);
return FALSE;
}
BOOL bOnLocal = session.IsLocalNode();
//
// STEP 1: Select row that are INSERT, DELETE, REPOLD, REPNEW
// Select the rows (table transactions) from the newly created Table:
CString strSessionPrefix = _T("");
if (bOnLocal)
strSessionPrefix = _T("session.");
strStatement.Format (
_T("select * from %s%s where operation in ('repold', 'repnew', 'append', 'insert', 'delete')"),
(LPCTSTR)strSessionPrefix,
(LPCTSTR)strTempTable);
CaIjaCursor cursor(1, strStatement);
if (cursor.Open())
{
int nCount = 0;
CStringList listData;
CString strItem1;
CString strItem2;
while (cursor.Fetch(listData, nCount))
{
CaTableTransactionItemData* pTran = new CaTableTransactionItemData();
POSITION pos = listData.GetHeadPosition();
ASSERT (listData.GetCount() >= 10); // At least 10 columns;
if (listData.GetCount() < 10)
{
delete pTran;
return FALSE;
}
pTran->SetTable (strTable);
pTran->SetTableOwner (strTableOwner);
if (pos != NULL)
{
// LSN:
strItem1 = listData.GetNext (pos);
strItem2 = listData.GetNext (pos);
pTran->SetLsn (_ttoul(strItem1), _ttoul(strItem2));
// TID:
strItem1 = listData.GetNext (pos);
pTran->SetTid(_ttol(strItem1));
// Date:
strItem1 = listData.GetNext (pos);
pTran->SetDate(strItem1);
// User Name:
strItem1 = listData.GetNext (pos);
pTran->SetUser (strItem1);
// Operation:
strItem1 = listData.GetNext (pos);
if (strItem1.CompareNoCase (_T("insert")) == 0 || strItem1.CompareNoCase (_T("append")) == 0)
pTran->SetOperation (T_INSERT);
else
if (strItem1.CompareNoCase (_T("delete")) == 0)
pTran->SetOperation (T_DELETE);
else
if (strItem1.CompareNoCase (_T("repold")) == 0)
pTran->SetOperation (T_BEFOREUPDATE);
else
if (strItem1.CompareNoCase (_T("repnew")) == 0)
pTran->SetOperation (T_AFTERUPDATE);
else
{
ASSERT (FALSE);
pTran->SetOperation (T_UNKNOWN);
}
// Transaction:
strItem1 = listData.GetNext (pos);
strItem2 = listData.GetNext (pos);
pTran->SetTransactionID (_ttoul(strItem1), _ttoul(strItem2));
// Ignore:
strItem1 = listData.GetNext (pos);
strItem2 = listData.GetNext (pos);
}
pTran->SetCommit (TRUE);
pTran->SetJournal (TRUE);
CStringList& listAuditedData = pTran->GetListData();
while (pos != NULL)
{
strItem1 = listData.GetNext (pos);
listAuditedData.AddTail(strItem1);
}
listTransaction.AddTail (pTran);
listData.RemoveAll();
}
cursor.Close();
}
//
// STEP 2: Select rows that are COMMIT, ABORT, COMMITNJ, ABORTNJ
// to update the previous select result if the rows are commit, abort, ...
// Select the rows (table transactions) from the newly created Table:
strStatement.Format (
_T("select * from %s%s where operation in ('commit', 'abort', 'commitnj', 'abortnj')"),
(LPCTSTR)strSessionPrefix,
(LPCTSTR)strTempTable);
CaIjaCursor cursor2(2, strStatement);
if (cursor2.Open())
{
CaTableTransactionItemData* pFound = NULL;
int nCount = 0;
CStringList listData;
CString strItem1;
CString strItem2;
CString strOperation;
while (cursor2.Fetch(listData, nCount))
{
POSITION pos = listData.GetHeadPosition();
ASSERT (listData.GetCount() >= 10); // At least 10 columns;
if (listData.GetCount() < 10)
return FALSE;
if (pos != NULL)
{
// LSN:
strItem1 = listData.GetNext (pos);
strItem2 = listData.GetNext (pos);
// Ignore:
strItem1 = listData.GetNext (pos);
// Date:
strItem1 = listData.GetNext (pos);
// User Name:
strItem1 = listData.GetNext (pos);
// Operation:
strOperation = listData.GetNext (pos);
// Transaction:
strItem1 = listData.GetNext (pos);
strItem2 = listData.GetNext (pos);
TRANSACTION_ChangeState (_ttoul(strItem1), _ttoul(strItem2), strOperation, listTransaction);
// Ignore:
strItem1 = listData.GetNext (pos);
strItem2 = listData.GetNext (pos);
}
listData.RemoveAll();
}
cursor2.Close();
}
//
// Make sure that the temporary table has been destroyed:
if (!bOnLocal && bOK && !strTempTable.IsEmpty())
{
strStatement.Format ( _T("drop table %s"), (LPCTSTR)strTempTable);
CaLowlevelAddAlterDrop param (pQueryInfo->GetNode(), strDatabase, strStatement);
param.NeedSession(FALSE); // Use the current open session.
param.SetStatement(strStatement);
if (!param.ExecuteStatement(NULL))
{
CString strMsg;
strMsg.LoadString(IDS_FAIL_DROP_TEMP_TABLE);
AfxMessageBox(strMsg);
}
}
session.Release(); // Release session and commit.
return TRUE;
}