Query plan for directory lookup

gistfile1.xml

<qry:query-plan xmlns:qry="http://marklogic.com/cts/query">
  <qry:info-trace>xdmp:eval("xdmp:plan(xdmp:directory('/a/b/', '1'))", (), &lt;options xmlns="xdmp:eval"&gt;&lt;database&gt;18400529833056734238&lt;/database&gt;&lt;root&gt;/Users/mblakele/S...&lt;/options&gt;)</qry:info-trace>
  <qry:info-trace>Analyzing path: xdmp:directory("/a/b/")</qry:info-trace>
  <qry:info-trace>Step 1 is searchable: xdmp:directory("/a/b/")</qry:info-trace>
  <qry:info-trace>Path is fully searchable.</qry:info-trace>
  <qry:info-trace>Gathering constraints.</qry:info-trace>
  <qry:info-trace>Step 1 contributed 2 constraints: xdmp:directory("/a/b/")</qry:info-trace>
  <qry:partial-plan>
    <qry:term-query weight="0">
      <qry:key>14693750357517395314</qry:key>
    </qry:term-query>
  </qry:partial-plan>
  <qry:partial-plan>
    <qry:term-query weight="0">
      <qry:key>15041569596143136458</qry:key>
    </qry:term-query>
  </qry:partial-plan>
  <qry:info-trace>Executing search.</qry:info-trace>
  <qry:final-plan>
    <qry:and-query>
      <qry:term-query weight="0">
	<qry:key>14693750357517395314</qry:key>
      </qry:term-query>
      <qry:term-query weight="0">
	<qry:key>15041569596143136458</qry:key>
      </qry:term-query>
    </qry:and-query>
  </qry:final-plan>
  <qry:info-trace>Selected 0 fragments</qry:info-trace>
  <qry:result estimate="0"/>
</qry:query-plan>