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<h3>Table of contents</h3>
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<li><a class="reference external" href="#">Backward Incompatibilities</a><ul>
<li><a class="reference external" href="#id2">0.9.3</a></li>
<li><a class="reference external" href="#id3">0.9.2</a></li>
<li><a class="reference external" href="#id4">0.9.1</a></li>
<li><a class="reference external" href="#id5">0.9.0</a></li>
<li><a class="reference external" href="#id6">0.8.7</a></li>
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<div class="section" id="backward-incompatibilities">
<span id="id1"></span><h1>Backward Incompatibilities<a class="headerlink" href="#backward-incompatibilities" title="Permalink to this headline">¶</a></h1>
<p>From version 0.8.6 (first public release) I keep track of backward
incompatibilities:</p>
<div class="section" id="id2">
<h2>0.9.3<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h2>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">requirements:</th><td class="field-body">sqlalchemy now needs to be at least rel 0.5.4 as we’re using
AttributeExtension to provide better MVC support</td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="id3">
<h2>0.9.2<a class="headerlink" href="#id3" title="Permalink to this headline">¶</a></h2>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">hooks:</th><td class="field-body"><tt class="docutils literal"><span class="pre">on__field_change</span></tt> now pass also the field. The demo snippet
already had this arguments but was always None and was not
documented</td>
</tr>
<tr class="field"><th class="field-name">totals:</th><td class="field-body">added model, path, iter to <tt class="docutils literal"><span class="pre">sum</span></tt> method of totals. Impact only on
customized <a class="reference external" href="../sqlkit/totals.html#totals"><em>Totals</em></a></td>
</tr>
</tbody>
</table>
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<div class="section" id="id4">
<h2>0.9.1<a class="headerlink" href="#id4" title="Permalink to this headline">¶</a></h2>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">hooks:</th><td class="field-body"><tt class="docutils literal"><span class="pre">on_completion</span></tt> is now triggered when you press Return, both for
tables and masks. Previously was triggered on Return for Masks
and on click for table.</td>
</tr>
</tbody>
</table>
</div>
<div class="section" id="id5">
<h2>0.9.0<a class="headerlink" href="#id5" title="Permalink to this headline">¶</a></h2>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">Mask:</th><td class="field-body"><p class="first">a fix in the layout machinery make setting width specs
working... that means you may need to fine tune the width of your
entries. You set the width of an entry as follows:</p>
<div class="highlight-python"><pre>last_name:40
first_name:30-
sex:1></pre>
</div>
<p>the first sets 40 chars, the second sets 30 that would grow to use
available space, the latter would use 2 chars and would right align
it (compared to other entries)</p>
</td>
</tr>
<tr class="field"><th class="field-name">mappers:</th><td class="field-body"><p class="first last">if a relationship has <tt class="docutils literal"><span class="pre">cascade=delete-orphan</span></tt> set, and you add
an object by completion Sqlalchemy will complain that there’s a
missing object. With SA 0.5 this is automatically done, with SA 0.6
this is no longer supported by sqlkit. You are supposed to
explicitly add info on the Column as explained in
<a title="sqlkit.fields.ForeignKeyField.add_related_object" class="reference external" href="../sqlkit/advanced/fields.html#sqlkit.fields.ForeignKeyField.add_related_object"><tt class="xref docutils literal"><span class="pre">sqlkit.fields.ForeignKeyField.add_related_object()</span></tt></a></p>
</td>
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<div class="section" id="id6">
<h2>0.8.7<a class="headerlink" href="#id6" title="Permalink to this headline">¶</a></h2>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">Table:</th><td class="field-body"><ul class="first simple">
<li><tt class="docutils literal"><span class="pre">self.current</span></tt> points to <tt class="docutils literal"><span class="pre">self.get_current_obj()</span></tt>, no longer
<tt class="docutils literal"><span class="pre">get_selected_obj()</span></tt></li>
<li>button-press-event now has one more argument: treeview. This is
necessary due to the fact that table now have views and t.treeview only
points to the main view’s treeview.</li>
</ul>
</td>
</tr>
<tr class="field"><th class="field-name">Table & Mask:</th><td class="field-body"><ul class="first simple">
<li>now keyword table/class/mapper are deprecated in favor to setting it
as first argument.</li>
</ul>
</td>
</tr>
<tr class="field"><th class="field-name">Hooks:</th><td class="field-body"><p class="first">arguments in hooks of related widgets where not as documented: a hook on
a sqlwidget acting on a related widget would receive the related widget
as first argument rather that the main one. Look at the the following case:</p>
<div class="highlight-python"><pre>lay = """
user
o2m=addresses
"""
class Hook(object):
def on_change_value__addresses__domain(self, sqlwidget, field_name, value, fkvalue):
pass
m = SqlMask(User,... hooks=Hook())
m_address = m.related.addresses</pre>
</div>
<p class="last">the hook instance will receive <tt class="docutils literal"><span class="pre">m</span></tt> as argument where previously
received <tt class="docutils literal"><span class="pre">m_addresses</span></tt></p>
</td>
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Sqlkit release 0.9.5
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