229 lines
8.6 KiB
C++
229 lines
8.6 KiB
C++
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// SQLOBJ.CPP
|
||
|
|
//
|
||
|
|
// SQL Wrapper Object
|
||
|
|
//
|
||
|
|
// Copyright (c) Microsoft Corporation 1998
|
||
|
|
//
|
||
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#include "precomp.h"
|
||
|
|
#include "sqlobj.h"
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
SQL::SQL(void)
|
||
|
|
{
|
||
|
|
TCHAR path[_MAX_PATH];
|
||
|
|
|
||
|
|
GetSystemDirectory(path, sizeof(path)/sizeof(TCHAR));
|
||
|
|
lstrcat(path, TEXT("\\odbccp32.dll"));
|
||
|
|
|
||
|
|
m_hODBCCP = LoadLibrary(path);
|
||
|
|
m_hODBC = NULL;
|
||
|
|
|
||
|
|
if (m_hODBCCP)
|
||
|
|
{
|
||
|
|
GetSystemDirectory(path, sizeof(path)/sizeof(TCHAR));
|
||
|
|
lstrcat(path, TEXT("\\odbc32.dll"));
|
||
|
|
|
||
|
|
m_hODBC = LoadLibrary(path);
|
||
|
|
|
||
|
|
if (m_hODBC == NULL)
|
||
|
|
{
|
||
|
|
FreeLibrary(m_hODBCCP);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (m_hODBCCP && m_hODBC)
|
||
|
|
{
|
||
|
|
m_pfnSetPos = (SQ_SETPOS) GetProcAddress( m_hODBC, "SQLSetPos");
|
||
|
|
m_pfnExtendedFetch = (SQ_EXTENDEDFETCH) GetProcAddress( m_hODBC, "SQLExtendedFetch");
|
||
|
|
m_pfnFreeStmt = (SQ_FREESTMT) GetProcAddress( m_hODBC, "SQLFreeStmt");
|
||
|
|
m_pfnSetStmtOption = (SQ_SETSTMTOPTION) GetProcAddress( m_hODBC, "SQLSetStmtOption");
|
||
|
|
m_pfnBindCol = (SQ_BINDCOL) GetProcAddress( m_hODBC, "SQLBindCol");
|
||
|
|
m_pfnAllocStmt = (SQ_ALLOCSTMT) GetProcAddress( m_hODBC, "SQLAllocStmt");
|
||
|
|
m_pfnFreeConnect = (SQ_FREECONNECT) GetProcAddress( m_hODBC, "SQLFreeConnect");
|
||
|
|
m_pfnFreeEnv = (SQ_FREEENV) GetProcAddress( m_hODBC, "SQLFreeEnv");
|
||
|
|
m_pfnDisconnect = (SQ_DISCONNECT) GetProcAddress( m_hODBC, "SQLDisconnect");
|
||
|
|
m_pfnAllocConnect = (SQ_ALLOCCONNECT) GetProcAddress( m_hODBC, "SQLAllocConnect");
|
||
|
|
m_pfnAllocEnv = (SQ_ALLOCENV) GetProcAddress( m_hODBC, "SQLAllocEnv");
|
||
|
|
m_pfnTransact = (SQ_TRANSACT) GetProcAddress( m_hODBC, "SQLTransact");
|
||
|
|
m_pfnFetch = (SQ_FETCH) GetProcAddress( m_hODBC, "SQLFetch");
|
||
|
|
|
||
|
|
#ifdef UNICODE
|
||
|
|
m_pfnConfigDataSource = (SQ_CONFIGDATASOURCE) GetProcAddress( m_hODBCCP, "SQLConfigDataSourceW");
|
||
|
|
m_pfnConnect = (SQ_CONNECT) GetProcAddress( m_hODBC, "SQLConnectW");
|
||
|
|
m_pfnError = (SQ_ERROR) GetProcAddress( m_hODBC, "SQLErrorW");
|
||
|
|
m_pfnExecDirect = (SQ_EXECDIRECT) GetProcAddress( m_hODBC, "SQLExecDirectW");
|
||
|
|
m_pfnSetConnectOption = (SQ_SETCONNECTOPTION) GetProcAddress( m_hODBC, "SQLSetConnectOptionW");
|
||
|
|
m_pfnStatistics = (SQ_STATISTICS) GetProcAddress( m_hODBC, "SQLStatisticsW");
|
||
|
|
m_pfnDescribeCol = (SQ_DESCRIBECOL) GetProcAddress( m_hODBC, "SQLDescribeColW");
|
||
|
|
#else
|
||
|
|
//for some reason, there is no "A" on odbc's export of SQLConfigDataSource
|
||
|
|
m_pfnConfigDataSource = (SQ_CONFIGDATASOURCE) GetProcAddress( m_hODBCCP, "SQLConfigDataSource");
|
||
|
|
m_pfnConnect = (SQ_CONNECT) GetProcAddress( m_hODBC, "SQLConnectA");
|
||
|
|
m_pfnError = (SQ_ERROR) GetProcAddress( m_hODBC, "SQLErrorA");
|
||
|
|
m_pfnExecDirect = (SQ_EXECDIRECT) GetProcAddress( m_hODBC, "SQLExecDirectA");
|
||
|
|
m_pfnSetConnectOption = (SQ_SETCONNECTOPTION) GetProcAddress( m_hODBC, "SQLSetConnectOptionA");
|
||
|
|
m_pfnStatistics = (SQ_STATISTICS) GetProcAddress( m_hODBC, "SQLStatisticsA");
|
||
|
|
m_pfnDescribeCol = (SQ_DESCRIBECOL) GetProcAddress( m_hODBC, "SQLDescribeColA");
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (!m_pfnConfigDataSource || !m_pfnSetPos || !m_pfnExtendedFetch || !m_pfnFreeStmt || !m_pfnExecDirect ||
|
||
|
|
!m_pfnSetStmtOption || !m_pfnBindCol || !m_pfnError || !m_pfnAllocStmt || !m_pfnFreeConnect ||
|
||
|
|
!m_pfnFreeEnv || !m_pfnDisconnect || !m_pfnConnect || !m_pfnAllocConnect || !m_pfnAllocEnv ||
|
||
|
|
!m_pfnSetConnectOption || !m_pfnTransact || !m_pfnFetch || !m_pfnStatistics || !m_pfnDescribeCol)
|
||
|
|
{
|
||
|
|
FreeLibrary(m_hODBC);
|
||
|
|
FreeLibrary(m_hODBCCP);
|
||
|
|
m_hODBC = NULL;
|
||
|
|
m_hODBCCP = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
SQL::~SQL(void)
|
||
|
|
{
|
||
|
|
if (m_hODBC)
|
||
|
|
{
|
||
|
|
FreeLibrary(m_hODBC);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (m_hODBCCP)
|
||
|
|
{
|
||
|
|
FreeLibrary(m_hODBCCP);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
BOOL SQL::Initialize(void)
|
||
|
|
{
|
||
|
|
return (m_hODBC != NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL INSTAPI SQL::ConfigDataSource(HWND hwndParent, WORD fRequest,LPCTSTR lpszDriver, LPCTSTR lpszAttributes)
|
||
|
|
{
|
||
|
|
return m_pfnConfigDataSource(hwndParent, fRequest, lpszDriver, lpszAttributes);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::SetPos( SQLHSTMT hstmt, SQLUSMALLINT irow, SQLUSMALLINT fOption, SQLUSMALLINT fLock)
|
||
|
|
{
|
||
|
|
return m_pfnSetPos( hstmt, irow, fOption, fLock);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::ExtendedFetch( SQLHSTMT hstmt, SQLUSMALLINT fFetchType, SQLINTEGER irow, SQLUINTEGER *pcrow, SQLUSMALLINT *rgfRowStatus)
|
||
|
|
{
|
||
|
|
return m_pfnExtendedFetch( hstmt, fFetchType, irow, pcrow, rgfRowStatus);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::FreeStmt(SQLHSTMT StatementHandle, SQLUSMALLINT Option)
|
||
|
|
{
|
||
|
|
return m_pfnFreeStmt(StatementHandle, Option);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::ExecDirect(SQLHSTMT StatementHandle, SQLCHAR *StatementText, SQLINTEGER TextLength)
|
||
|
|
{
|
||
|
|
return m_pfnExecDirect(StatementHandle, StatementText, TextLength);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::SetStmtOption(SQLHSTMT StatementHandle, SQLUSMALLINT Option, SQLUINTEGER Value)
|
||
|
|
{
|
||
|
|
return m_pfnSetStmtOption(StatementHandle, Option, Value);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::BindCol(SQLHSTMT StatementHandle, SQLUSMALLINT ColumnNumber, SQLSMALLINT TargetType, SQLPOINTER TargetValue, SQLINTEGER BufferLength, SQLINTEGER *StrLen_or_Ind)
|
||
|
|
{
|
||
|
|
return m_pfnBindCol(StatementHandle, ColumnNumber, TargetType, TargetValue, BufferLength, StrLen_or_Ind);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::Error(SQLHENV EnvironmentHandle, SQLHDBC ConnectionHandle, SQLHSTMT StatementHandle, SQLCHAR *Sqlstate, SQLINTEGER *NativeError, SQLCHAR *MessageText, SQLSMALLINT BufferLength, SQLSMALLINT *TextLength)
|
||
|
|
{
|
||
|
|
return m_pfnError(EnvironmentHandle, ConnectionHandle, StatementHandle, Sqlstate, NativeError, MessageText, BufferLength, TextLength);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::AllocStmt(SQLHDBC ConnectionHandle, SQLHSTMT *StatementHandle)
|
||
|
|
{
|
||
|
|
return m_pfnAllocStmt(ConnectionHandle, StatementHandle);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::FreeConnect(SQLHDBC ConnectionHandle)
|
||
|
|
{
|
||
|
|
return m_pfnFreeConnect(ConnectionHandle);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::FreeEnv(SQLHENV EnvironmentHandle)
|
||
|
|
{
|
||
|
|
return m_pfnFreeEnv(EnvironmentHandle);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::Disconnect(SQLHDBC ConnectionHandle)
|
||
|
|
{
|
||
|
|
return m_pfnDisconnect(ConnectionHandle);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::Connect(SQLHDBC ConnectionHandle, SQLCHAR *ServerName, SQLSMALLINT NameLength1, SQLCHAR *UserName, SQLSMALLINT NameLength2, SQLCHAR *Authentication, SQLSMALLINT NameLength3)
|
||
|
|
{
|
||
|
|
return m_pfnConnect(ConnectionHandle, ServerName, NameLength1, UserName, NameLength2, Authentication, NameLength3);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::AllocConnect(SQLHENV EnvironmentHandle, SQLHDBC *ConnectionHandle)
|
||
|
|
{
|
||
|
|
return m_pfnAllocConnect(EnvironmentHandle, ConnectionHandle);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::AllocEnv(SQLHENV *EnvironmentHandle)
|
||
|
|
{
|
||
|
|
return m_pfnAllocEnv(EnvironmentHandle);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::SetConnectOption(SQLHDBC ConnectionHandle, SQLUSMALLINT Option, SQLUINTEGER Value)
|
||
|
|
{
|
||
|
|
return m_pfnSetConnectOption(ConnectionHandle, Option, Value);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::Transact(SQLHENV EnvironmentHandle, SQLHDBC ConnectionHandle, SQLUSMALLINT CompletionType)
|
||
|
|
{
|
||
|
|
return m_pfnTransact(EnvironmentHandle, ConnectionHandle, CompletionType);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::Fetch(SQLHSTMT StatementHandle)
|
||
|
|
{
|
||
|
|
return m_pfnFetch(StatementHandle);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::Statistics(SQLHSTMT StatementHandle, SQLCHAR *CatalogName, SQLSMALLINT NameLength1, SQLCHAR *SchemaName, SQLSMALLINT NameLength2, SQLCHAR *TableName, SQLSMALLINT NameLength3, SQLUSMALLINT Unique, SQLUSMALLINT Reserved)
|
||
|
|
{
|
||
|
|
return m_pfnStatistics(StatementHandle, CatalogName, NameLength1, SchemaName, NameLength2, TableName, NameLength3, Unique, Reserved);
|
||
|
|
}
|
||
|
|
|
||
|
|
SQLRETURN SQL_API SQL::DescribeCol(SQLHSTMT StatementHandle, SQLSMALLINT ColumnNumber, SQLCHAR * ColumnName, SQLSMALLINT BufferLength, SQLSMALLINT * NameLengthPtr, SQLSMALLINT * DataTypePtr, SQLUINTEGER * ColumnSizePtr, SQLSMALLINT * DecimalDigitsPtr, SQLSMALLINT * NullablePtr)
|
||
|
|
{
|
||
|
|
return m_pfnDescribeCol(StatementHandle, ColumnNumber, ColumnName, BufferLength, NameLengthPtr, DataTypePtr, ColumnSizePtr, DecimalDigitsPtr, NullablePtr);
|
||
|
|
}
|
||
|
|
|