static SQLRETURN set_constmt_attr()

in driver/options.cc [42:156]

• 99 lines of code
• 31 McCabe index (conditional complexity)

static SQLRETURN set_constmt_attr(SQLSMALLINT  HandleType,
                                  SQLHANDLE    Handle,
                                  STMT_OPTIONS *options,
                                  SQLINTEGER   Attribute,
                                  SQLPOINTER   ValuePtr)
{
    switch (Attribute)
    {
        case SQL_ATTR_ASYNC_ENABLE:
            if (ValuePtr == (SQLPOINTER) SQL_ASYNC_ENABLE_ON)
                return set_handle_error(HandleType,Handle,MYERR_01S02,
                                        "Doesn't support asynchronous, changed to default",0);
            break;

        case SQL_ATTR_CURSOR_SENSITIVITY:
            if (ValuePtr != (SQLPOINTER) SQL_UNSPECIFIED)
            {
                return set_handle_error(HandleType,Handle,MYERR_01S02,
                                        "Option value changed to default cursor sensitivity(unspecified)",0);
            }
            break;

        case SQL_ATTR_CURSOR_TYPE:
            if (((STMT *)Handle)->dbc->ds.opt_FORWARD_CURSOR)
            {
                options->cursor_type= SQL_CURSOR_FORWARD_ONLY;
                if (ValuePtr != (SQLPOINTER)SQL_CURSOR_FORWARD_ONLY)
                    return set_handle_error(HandleType,Handle,MYERR_01S02,
                                            "Forcing the use of forward-only cursor)",0);
            }
            else if (((STMT *)Handle)->dbc->ds.opt_DYNAMIC_CURSOR)
            {
                if (ValuePtr != (SQLPOINTER)SQL_CURSOR_KEYSET_DRIVEN)
                    options->cursor_type= (SQLUINTEGER)(SQLULEN)ValuePtr;

                else
                {
                    options->cursor_type= SQL_CURSOR_STATIC;
                    return set_handle_error(HandleType,Handle,MYERR_01S02,
                                            "Option value changed to default static cursor",0);
                }
            }
            else
            {
                if (ValuePtr == (SQLPOINTER)SQL_CURSOR_FORWARD_ONLY ||
                    ValuePtr == (SQLPOINTER)SQL_CURSOR_STATIC)
                    options->cursor_type= (SQLUINTEGER)(SQLULEN)ValuePtr;

                else
                {
                    options->cursor_type= SQL_CURSOR_STATIC;
                    return set_handle_error(HandleType,Handle,MYERR_01S02,
                                            "Option value changed to default static cursor",0);
                }
            }
            break;

        case SQL_ATTR_MAX_LENGTH:
            options->max_length= (SQLULEN) ValuePtr;
            break;

        case SQL_ATTR_MAX_ROWS:
            options->max_rows= (SQLULEN) ValuePtr;
            break;

        case SQL_ATTR_METADATA_ID:
            if (ValuePtr == (SQLPOINTER) SQL_TRUE)
                return set_handle_error(HandleType,Handle,MYERR_01S02,
                                        "Doesn't support SQL_ATTR_METADATA_ID to true, changed to default",0);
            break;

        case SQL_ATTR_RETRIEVE_DATA:
            options->retrieve_data = (ValuePtr != (SQLPOINTER)SQL_RD_OFF);
            break;

        case SQL_ATTR_SIMULATE_CURSOR:
            if (ValuePtr != (SQLPOINTER) SQL_SC_TRY_UNIQUE)
                return set_handle_error(HandleType,Handle,MYERR_01S02,
                                        "Option value changed to default cursor simulation",0);
            break;

        case 1226:/* MS SQL Server Extension */
        case 1227:
        case 1228:
            break;

        case SQL_ATTR_USE_BOOKMARKS:
          if (ValuePtr == (SQLPOINTER) SQL_UB_VARIABLE ||
              ValuePtr == (SQLPOINTER) SQL_UB_ON)
            options->bookmarks= (SQLUINTEGER) SQL_UB_VARIABLE;
          else
            options->bookmarks= (SQLUINTEGER) SQL_UB_OFF;
          break;

        case SQL_ATTR_FETCH_BOOKMARK_PTR:
          options->bookmark_ptr = ValuePtr;
          break;

        case SQL_ATTR_QUERY_TIMEOUT:
            /* Do something only if the handle is STMT */
            if (HandleType == SQL_HANDLE_STMT)
            {
              return set_query_timeout((STMT*)Handle, (SQLULEN)ValuePtr);
            }
            break;

        case SQL_ATTR_KEYSET_SIZE:
        case SQL_ATTR_CONCURRENCY:
        case SQL_ATTR_NOSCAN:
        default:
            /* ignored */
            break;
    }
    return SQL_SUCCESS;
}