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Copy pathDatabaseExt.cpp
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344 lines (284 loc) · 7.89 KB
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// DatabaseExt.cpp: implementation of the CDatabaseExt class.
//
//////////////////////////////////////////////////////////////////////
#include"pch.h"
#include"DatabaseExt.h"
#include<memory>
#ifdef _DEBUG
#undef THIS_FILE
staticcharTHIS_FILE[]=__FILE__;
#definenewDEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Methods
//////////////////////////////////////////////////////////////////////
CDatabaseExt::CDatabaseExt()
:m_nFieldCount(0)
{
}
intCDatabaseExt::GetFieldCount() const
{
return m_nFieldCount;
}
BOOLCDatabaseExt::GetDataV(CStringArray& saResult, LPCTSTR lpszFormat, ...)
{
CString sSQL;
va_list args;
va_start(args, lpszFormat);
sSQL.FormatV(lpszFormat, args);
returnGetData(saResult, sSQL);
}
BOOLCDatabaseExt::GetDataV(CStringArray& saResult, CString(*FormatData)(short nIndex, CDBVariant*), LPCTSTR lpszFormat, ...)
{
CString sSQL;
va_list args;
va_start(args, lpszFormat);
sSQL.FormatV(lpszFormat, args);
returnGetData(saResult, FormatData, sSQL);
}
BOOLCDatabaseExt::GetData(CStringArray& saResult, LPCTSTR lpszSQL/* = NULL*/, DWORD dwRecordsetOptions/* = CRecordset::none*/)
{
m_nFieldCount = 0;
if (! OpenConnection())
returnFALSE;
std::unique_ptr<CRecordset> recordset = std::make_unique<CRecordset>(this);
do
{
if (! OpenRecordset(recordset.get(), lpszSQL, dwRecordsetOptions))
break;
m_nFieldCount = recordset->GetODBCFieldCount();
CString sTemp;
while (! recordset->IsEOF())
{
for (int i = 0; i < m_nFieldCount; ++i)
{
try
{
recordset->GetFieldValue(static_cast<short>(i), sTemp);
saResult.Add(sTemp);
}
catch (CDBException* pDBException)
{
pDBException->GetErrorMessage(m_sError.GetBuffer(_MAX_PATH), _MAX_PATH);
m_sError.ReleaseBuffer();
pDBException->Delete();
break;
}
catch (CMemoryException* pMemException)
{
pMemException->GetErrorMessage(m_sError.GetBuffer(_MAX_PATH), _MAX_PATH);
m_sError.ReleaseBuffer();
pMemException->Delete();
break;
}
}
if (m_sError.IsEmpty())
recordset->MoveNext();
else
break;
}
recordset->Close();
} while (FALSE);
return m_sError.IsEmpty();
}
BOOLCDatabaseExt::GetData(CStringArray& saResult, CString(*FormatData)(short nIndex, CDBVariant*), LPCTSTR lpszSQL/* = NULL*/, DWORD dwRecordsetOptions/* = CRecordset::none*/)
{
m_nFieldCount = 0;
if (! OpenConnection())
returnFALSE;
std::unique_ptr<CRecordset> recordset = std::make_unique<CRecordset>(this);
do
{
if (! OpenRecordset(recordset.get(), lpszSQL, dwRecordsetOptions))
break;
m_nFieldCount = recordset->GetODBCFieldCount();
CDBVariant variant;
while (! recordset->IsEOF())
{
for (int i = 0; i < m_nFieldCount; ++i)
{
try
{
recordset->GetFieldValue(static_cast<short>(i), variant);
saResult.Add(FormatData(static_cast<short>(i), &variant));
}
catch (CDBException* pDBException)
{
pDBException->GetErrorMessage(m_sError.GetBuffer(_MAX_PATH), _MAX_PATH);
m_sError.ReleaseBuffer();
pDBException->Delete();
break;
}
catch (CMemoryException* pMemException)
{
pMemException->GetErrorMessage(m_sError.GetBuffer(_MAX_PATH), _MAX_PATH);
m_sError.ReleaseBuffer();
pMemException->Delete();
break;
}
}
if (m_sError.IsEmpty())
recordset->MoveNext();
else
break;
}
recordset->Close();
} while (FALSE);
return m_sError.IsEmpty();
}
BOOLCDatabaseExt::GetDataV(std::vector<CString>& data, LPCTSTR lpszFormat, ...)
{
CString sSQL;
va_list args;
va_start(args, lpszFormat);
sSQL.FormatV(lpszFormat, args);
returnGetData(data, sSQL);
}
std::vector<std::string> CDatabaseExt::GetDataV(LPCTSTR lpszFormat, ...)
{
CString sSQL;
va_list args;
va_start(args, lpszFormat);
sSQL.FormatV(lpszFormat, args);
returnGetData(sSQL);
}
BOOLCDatabaseExt::GetData(std::vector<CString>& data, LPCTSTR lpszSQL/* = NULL*/, DWORD dwRecordsetOptions/* = CRecordset::none*/)
{
m_nFieldCount = 0;
if (! OpenConnection())
returnFALSE;
std::unique_ptr<CRecordset> recordset = std::make_unique<CRecordset>(this);
do
{
if (! OpenRecordset(recordset.get(), lpszSQL, dwRecordsetOptions))
break;
m_nFieldCount = recordset->GetODBCFieldCount();
CString sTemp;
while (! recordset->IsEOF())
{
for (int i = 0; i < m_nFieldCount; ++i)
{
try
{
recordset->GetFieldValue(static_cast<short>(i), sTemp);
data.push_back(sTemp);
}
catch (CDBException* pDBException)
{
pDBException->GetErrorMessage(m_sError.GetBuffer(_MAX_PATH), _MAX_PATH);
m_sError.ReleaseBuffer();
pDBException->Delete();
break;
}
catch (CMemoryException* pMemException)
{
pMemException->GetErrorMessage(m_sError.GetBuffer(_MAX_PATH), _MAX_PATH);
m_sError.ReleaseBuffer();
pMemException->Delete();
break;
}
}
if (m_sError.IsEmpty())
recordset->MoveNext();
else
break;
}
recordset->Close();
} while (FALSE);
return m_sError.IsEmpty();
}
std::vector<std::string> CDatabaseExt::GetData(LPCTSTR lpszSQL/* = NULL*/, DWORD dwRecordsetOptions/* = CRecordset::none*/)
{
std::vector<std::string> result;
m_nFieldCount = 0;
if (! OpenConnection())
return result;
std::unique_ptr<CRecordset> recordset = std::make_unique<CRecordset>(this);
do
{
if (! OpenRecordset(recordset.get(), lpszSQL, dwRecordsetOptions))
break;
m_nFieldCount = recordset->GetODBCFieldCount();
CString sTemp;
while (! recordset->IsEOF())
{
for (int i = 0; i < m_nFieldCount; ++i)
{
try
{
recordset->GetFieldValue(static_cast<short>(i), sTemp);
#ifdef _UNICODE
result.push_back(std::string(CW2A(sTemp.GetString(), CP_UTF8), sTemp.GetLength()));
#else
result.push_back(std::string(sTemp.GetString(), sTemp.GetLength()));
#endif
}
catch (CDBException* pDBException)
{
pDBException->GetErrorMessage(m_sError.GetBuffer(_MAX_PATH), _MAX_PATH);
m_sError.ReleaseBuffer();
pDBException->Delete();
break;
}
catch (CMemoryException* pMemException)
{
pMemException->GetErrorMessage(m_sError.GetBuffer(_MAX_PATH), _MAX_PATH);
m_sError.ReleaseBuffer();
pMemException->Delete();
break;
}
}
if (m_sError.IsEmpty())
recordset->MoveNext();
else
break;
}
recordset->Close();
} while (FALSE);
return result;
}
BOOLCDatabaseExt::GetData(std::vector<CString>& data, CString(*FormatData)(short nIndex, CDBVariant*), LPCTSTR lpszSQL/* = NULL*/, DWORD dwRecordsetOptions/* = CRecordset::none*/)
{
m_nFieldCount = 0;
if (! OpenConnection())
returnFALSE;
std::unique_ptr<CRecordset> recordset = std::make_unique<CRecordset>(this);
do
{
if (! OpenRecordset(recordset.get(), lpszSQL, dwRecordsetOptions))
break;
m_nFieldCount = recordset->GetODBCFieldCount();
CDBVariant variant;
while (! recordset->IsEOF())
{
for (int i = 0; i < m_nFieldCount; ++i)
{
try
{
recordset->GetFieldValue(static_cast<short>(i), variant);
data.push_back(FormatData(static_cast<short>(i), &variant));
}
catch (CDBException* pDBException)
{
pDBException->GetErrorMessage(m_sError.GetBuffer(_MAX_PATH), _MAX_PATH);
m_sError.ReleaseBuffer();
pDBException->Delete();
break;
}
catch (CMemoryException* pMemException)
{
pMemException->GetErrorMessage(m_sError.GetBuffer(_MAX_PATH), _MAX_PATH);
m_sError.ReleaseBuffer();
pMemException->Delete();
break;
}
}
if (m_sError.IsEmpty())
recordset->MoveNext();
else
break;
}
recordset->Close();
} while (FALSE);
return m_sError.IsEmpty();
}