ass="dont-index">Source: <a href="https://github.com/WinVector/rquery/blob/HEAD/R/non_sql_node.R" class="external-link"><code>R/non_sql_node.R</code></a></small>
    <div class="hidden name"><code>non_sql_node.Rd</code></div>
    </div>

    <div class="ref-description">
    <p>Note: non-SQL nodes are allowed to delete/overwrite both
both the incoming and outgoing tables, so do not point them
to non-temporary structures.  Also they tend to land all columns
(losing narrowing optimization),
so can be expensiv