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  <div class="section" id="accessing-local-data">
<h1>Accessing Local Data<a class="headerlink" href="#accessing-local-data" title="Permalink to this headline">¶</a></h1>
<p>Local records are maintained in the <a class="reference external" href="glossary.html#term-locals"><em class="xref">locals</em></a> dictionary. Some useful functions to access local data:</p>
<dl class="function">
<dt id="LocalDB.add">
<tt class="descclassname">LocalDB.</tt><tt class="descname">add</tt><big>(</big><em>dt</em>, <em>dn</em><big>)</big><a class="headerlink" href="#LocalDB.add" title="Permalink to this definition">¶</a></dt>
<dd>Add a new record to <cite>locals</cite></dd></dl>

<dl class="function">
<dt id="LocalDB.delete_doc">
<tt class="descclassname">LocalDB.</tt><tt class="descname">delete_doc</tt><big>(</big><em>dt</em>, <em>dn</em><big>)</big><a class="headerlink" href="#LocalDB.delete_doc" title="Permalink to this definition">¶</a></dt>
<dd>Delete a record and all child records from <cite>locals</cite></dd></dl>

<dl class="function">
<dt id="LocalDB.set_default_values">
<tt class="descclassname">LocalDB.</tt><tt class="descname">set_default_values</tt><big>(</big><em>doc</em><big>)</big><a class="headerlink" href="#LocalDB.set_default_values" title="Permalink to this definition">¶</a></dt>
<dd>Set default values for the given <cite>doc</cite>. Will only work if the metadata (<cite>DocType</cite>) is also loaded</dd></dl>

<dl class="function">
<dt id="LocalDB.create">
<tt class="descclassname">LocalDB.</tt><tt class="descname">create</tt><big>(</big><em>dt</em>, <em>n</em><big>)</big><a class="headerlink" href="#LocalDB.create" title="Permalink to this definition">¶</a></dt>
<dd>Create a new record and set default values. If n is null, n is set as &#8220;Unsaved ..&#8221;</dd></dl>

<dl class="function">
<dt id="LocalDB.delete_record">
<tt class="descclassname">LocalDB.</tt><tt class="descname">delete_record</tt><big>(</big><em>dt</em>, <em>dn</em><big>)</big><a class="headerlink" href="#LocalDB.delete_record" title="Permalink to this definition">¶</a></dt>
<dd>Mark for deletion (called when a row is deleted from the table)</dd></dl>

<dl class="function">
<dt id="LocalDB.get_default_value">
<tt class="descclassname">LocalDB.</tt><tt class="descname">get_default_value</tt><big>(</big><em>fieldname</em>, <em>fieldtype</em>, <em>default</em><big>)</big><a class="headerlink" href="#LocalDB.get_default_value" title="Permalink to this definition">¶</a></dt>
<dd><p>Get default value for the given field details for <cite>default</cite> keyword</p>
<ul class="simple">
<li>If <cite>default</cite> is &#8216;__user&#8217; or &#8216;_Login&#8217; - return username</li>
<li>If <cite>default</cite> is &#8216;Today&#8217; or &#8216;__today&#8217; - return today&#8217;s date</li>
<li>Return <cite>default</cite> if <cite>default</cite> is not null.</li>
<li>If field name matches user or system default, then return the default</li>
</ul>
</dd></dl>

<dl class="function">
<dt id="LocalDB.add_child">
<tt class="descclassname">LocalDB.</tt><tt class="descname">add_child</tt><big>(</big><em>doc</em>, <em>childtype</em>, <em>parentfield</em><big>)</big><a class="headerlink" href="#LocalDB.add_child" title="Permalink to this definition">¶</a></dt>
<dd>Return a child record, with parentfield set (optionally). Called when a row is added to the table</dd></dl>

<dl class="function">
<dt id="LocalDB.copy">
<tt class="descclassname">LocalDB.</tt><tt class="descname">copy</tt><big>(</big><em>dt</em>, <em>dn</em>, <em>from_amend</em><big>)</big><a class="headerlink" href="#LocalDB.copy" title="Permalink to this definition">¶</a></dt>
<dd>Create and return a copy of record specified by <cite>dt</cite> and <cite>dn</cite>. Called by <cite>Copy</cite> and <cite>Amend</cite></dd></dl>

<dl class="function">
<dt id="make_doclist">
<tt class="descname">make_doclist</tt><big>(</big><em>dt</em>, <em>dn</em><big>)</big><a class="headerlink" href="#make_doclist" title="Permalink to this definition">¶</a></dt>
<dd>Return the required record and all child records from <cite>locals</cite>.</dd></dl>

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