doris::ColumnPtrWrapper* FunctionContext::get_constant_col(int i) const {
    if (i < 0 || i >= _impl->_constant_cols.size()) {
        return nullptr;
    }
    return _impl->_constant_cols[i];
}
doris::ColumnPtrWrapper* FunctionContext::get_constant_col(int i) const {
    if (i < 0 || i >= _impl->_constant_cols.size()) {
        return nullptr;
    }
    return _impl->_constant_cols[i];
}