further redirected to one of its
       partitions based on the <code class="structfield">peaktemp</code> column.  The partition
       key specified may overlap with the parent's partition key, although
       care should be taken when specifying the bounds of a sub-partition
       such that the set of data it accepts constitutes a subset of what
       the partition's own bounds allow; the system does not try to check
       whether that's really the case.
      </p><p>
       Inserting data into the par