al number of temp blocks read by the statement
      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
       <code class="structfield">temp_blks_written</code> <code class="type">bigint</code>
      </p>
      <p>
       Total number of temp blocks written by the statement
      </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
       <code class="structfield">blk_read_time</code> <code class="type">double precision</code>
      </p>
      <p>
   