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<div>You can define a function that returns an ordervalue on any metadata field. It'll look like this:</div>
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<div>....</div>
<div>{</div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>name => 'foo',</div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>type => 'name',</div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>multiple => 0,</div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>make_value_orderkey => 'my_order_function'</div>
<div>}</div>
<div>...</div>
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<div>$c->{my_order_function} = sub</div>
<div>{</div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>my ($field, $value, $session, $langid, $dataset) = @_;</div>
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<div><span class="Apple-tab-span" style="white-space:pre"></span>$familyname = $value->{family};</div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>return md5($family);</div>
<div>}</div>
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<div>Note that this is hazy, from memory and just typed straight into the email. Also, don't forget to regenerate the order values (I believe it's an epadmin command).</div>
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<b><span style="font-size: 12pt; font-family: Corbel, sans-serif; color: rgb(44, 56, 65);">Adam Field</span></b><span style="font-size: 12pt; font-family: 'Times New Roman', serif;"><br>
</span><span style="font-size: 12pt; font-family: Corbel, sans-serif; color: rgb(44, 56, 65);">SHERPA services analyst developer</span></p>
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<span style="font-weight:bold">From: </span><<a href="mailto:eprints-tech-bounces@ecs.soton.ac.uk">eprints-tech-bounces@ecs.soton.ac.uk</a>> on behalf of "Alan.Stiles" <<a href="mailto:alan.stiles@open.ac.uk">alan.stiles@open.ac.uk</a>><br>
<span style="font-weight:bold">Reply-To: </span>"<a href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a>" <<a href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a>><br>
<span style="font-weight:bold">Date: </span>Wednesday, 20 April 2016 16:01<br>
<span style="font-weight:bold">To: </span>"<a href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a>" <<a href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a>><br>
<span style="font-weight:bold">Subject: </span>Re: [EP-tech] Search results sorting by compound field elements<br>
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<p class="MsoNormal"><span style="color:#1F497D">Half-answering my own question:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">my %options = ("custom_order" => "name");<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">my $list = $ds->search(%options);<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">actually does what I want, but doesn’t resolve the larger question of sorting by sub-fields – e.g. if I wanted to sort the list by given name rather than family name…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="mso-fareast-language:EN-GB">
<a href="mailto:eprints-tech-bounces@ecs.soton.ac.uk">eprints-tech-bounces@ecs.soton.ac.uk</a> [<a href="mailto:eprints-tech-bounces@ecs.soton.ac.uk">mailto:eprints-tech-bounces@ecs.soton.ac.uk</a>]
<b>On Behalf Of </b>Alan.Stiles<br>
<b>Sent:</b> 20 April 2016 15:28<br>
<b>To:</b> <a href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a><br>
<b>Subject:</b> [EP-tech] Search results sorting by compound field elements<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal">Anyone got a clue how to format the ‘custom_order’ parameter of a dataset search query to sort by sub-fields of a compound field?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">i.e. – running a search over the ‘user’ dataset and I want to sort the results by name_family then name_given of the compound ‘name’ field.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Currently running (based on the search method from <a href="http://wiki.eprints.org/w/API:EPrints/DataSet#Object_Methods">
http://wiki.eprints.org/w/API:EPrints/DataSet#Object_Methods</a> ):<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">$list = $ds->search( {“custom_order” => “name_given/name_family” };<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">But it doesn’t seem to be sorting the list at all<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Alan<o:p></o:p></p>
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