EErrorType CDatabaseStatementOdbc::DoInitialise()
{
DatabaseConnectionOdbcSPtr connection = DoGetConnectionOdbc();
if ( !connection )
{
DB_EXCEPT( EDatabaseExceptionCodes_StatementError, ERROR_ODBC_LOST_CONNECTION );
}
EErrorType errorType;
HDBC hParentStmt = connection->GetHdbc();
CLogger::LogDebug( ( Format( DEBUG_ODBC_PREPARING_STATEMENT ) % this ).str() );
errorType = SqlSuccess( SQLAllocHandle( SQL_HANDLE_STMT, hParentStmt, &_statementHandle ), SQL_HANDLE_STMT, hParentStmt, INFO_ODBC_AllocHandle );
#if defined( _WIN32 )
if ( errorType == EErrorType_NONE )
{
OdbcCheck( SQLSetStmtAttr( _statementHandle, SQL_SOPT_SS_DEFER_PREPARE, SQL_DP_OFF, SQL_IS_UINTEGER ), SQL_HANDLE_STMT, _statementHandle, INFO_ODBC_SetStmtAttr );
}
#endif
if ( errorType == EErrorType_NONE )
{
OdbcCheck( SQLPrepareA( _statementHandle, ( SqlChar * )_query.c_str(), SQLINTEGER( _query.size() ) ), SQL_HANDLE_STMT, _statementHandle, INFO_ODBC_Prepare );
}
if ( errorType == EErrorType_NONE )
{
SQLSMALLINT count = 0;
OdbcCheck( SQLNumParams( _statementHandle, &count ), SQL_HANDLE_STMT, _statementHandle, INFO_ODBC_NumParams );
CLogger::LogDebug( DEBUG_ODBC_EXPECTED_PARAMETERS + StringUtils::ToString( count ) );
}
for ( auto && parameter : DoGetParameters() )
{
std::static_pointer_cast< CDatabaseStatementParameterOdbc >( parameter )->Initialise( _statementHandle );
}
return errorType;
}
/*-------------------------------------------------------------------------
* AddStatement
*-------------------------------------------------------------------------
* Purpose:
* initializes a sql statement and keeps track of it for auto cleanup
*/
SQLHSTMT AddStatement(SQLCHAR * scSQL)
{
if (g_iSql >= CSTATEMENTS)
{
OutputDebugStringA("Too many SQL statements. Increment CSTATEMENTS\n");
DebugBreak();
exit(0);
}
SQLRETURN sqlret;
sqlret = SQLAllocHandle(SQL_HANDLE_STMT, hSqlDbc, &g_rghstmt[g_iSql]);
if (SQL_SUCCESS != sqlret)
SQLWhatsWrong(SQL_HANDLE_STMT, g_rghstmt[g_iSql]);
sqlret = SQLPrepareA(g_rghstmt[g_iSql], scSQL, SQL_NTS);
if (SQL_SUCCESS != sqlret)
SQLWhatsWrong(SQL_HANDLE_STMT, g_rghstmt[g_iSql]);
g_iCol = 0;
g_iParm = 0;
return g_rghstmt[g_iSql++];
}