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POHow to format MarkLogic results when exported to a CSV file
 

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  1. POHow to format MarkLogic results when exported to a CSV file
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    <p>I have XML which is structured similar to the example below and I've written an XQuery in MarkLogic to export this to a CSV (see below the XML). </p> <p>What I need help with is formatting the output so that when I open the CSV file, instead of having all of the output across 1 I'd like it to be grouped "columns" so to speak. </p> <p>Let's say for the sample below, I'd like to output all of the DataTime and Source element values and have the values in their own columns like this:</p> <pre><code>2012-02-15T00:58:26 a 2012-02-15T00:58:26 b 2012-02-15T00:58:26 c </code></pre> <p>How would I go about that?</p> <p>Would welcome any reference points or help. Thank you in advance.</p> <p>Here's the sample XML:</p> <pre><code>&lt;Document xmlns="http://fakeexample.org/schemas"&gt; &lt;Information&gt; &lt;ItemId&gt;1f28cb0c2c4f4eb7b13c4abf998e391e&lt;/ItemId&gt; &lt;MediaType&gt;Text&lt;/MediaType&gt; &lt;DocDateTime&gt;2012-02-15T00:58:26&lt;/DocDateTime&gt; &lt;/Information&gt; &lt;FilingData&gt; &lt;DateTime&gt;2012-02-15T00:58:26&lt;/DateTime&gt; &lt;Source&gt;a&lt;/Source&gt; &lt;/FilingData&gt; &lt;FilingData&gt; &lt;DateTime&gt;2012-02-15T00:58:27&lt;/DateTime&gt; &lt;Source&gt;b&lt;/Source&gt; &lt;/FilingData&gt; &lt;FilingData&gt; &lt;DateTime&gt;2012-02-15T00:58:28&lt;/DateTime&gt; &lt;Source&gt;c&lt;/Source&gt; &lt;/FilingData&gt; &lt;/Document&gt; </code></pre> <p>Here's the sample XQuery:</p> <pre><code>xquery version "1.0-ml"; declare default function namespace "http://www.w3.org/2005/xpath-functions"; declare namespace xdmp="http://marklogic.com/xdmp"; declare namespace exam="http://fakeexample.org/schemas"; declare function local:getDocument($url) { let $response := xdmp:document-get($url, &lt;options xmlns="xdmp:document-get"&gt; &lt;repair&gt;full&lt;/repair&gt; &lt;format&gt;xml&lt;/format&gt; &lt;/options&gt;) return $response }; xdmp:set-response-content-type("text/csv"), xdmp:add-response-header( "Content-disposition", fn:concat("attachment;filename=", "output", fn:current-time(), ".csv") ), ( let $q := cts:element-value-query(xs:QName("exam:ItemId"), ("1f28cb0c2c4f4eb7b13c4abf998e391e")) let $results := cts:search(fn:doc(), $q) for $result in $results return fn:string-join((xs:string($result//exam:DateTime), xs:string($result//exam:Source) ), "," ) ) </code></pre>
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