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radar committed Dec 19, 2008
2 parents 0021f5e + 17f3ab3 commit 46702e6a6d26b66b67076129fcf9c59c1c27bbeb
@@ -609,6 +609,7 @@ <h2 id="_ordering">5. Ordering</h2>
<h2 id="_selecting_certain_fields">6. Selecting Certain Fields</h2>
<div class="sectionbody">
<div class="para"><p>To select certain fields, you can use the select option like this: <tt>Client.first(:select &#8658; "viewable_by, locked")</tt>. This select option does not use an array of fields, but rather requires you to type SQL-like code. The above code will execute <tt>SELECT viewable_by, locked FROM clients LIMIT 0,1</tt> on your database.</p></div>
+<div class="para"><p>You can also call SQL functions within the select option. For example, if you would like to only grab a single record per unique value in a certain field by using the <tt>DISTINCT</tt> function you can do it like this: <tt>Client.all(:select &#8658; "DISTINCT(name)")</tt>.</p></div>
<h2 id="_limit_amp_offset">7. Limit &amp; Offset</h2>
<div class="sectionbody">
@@ -1051,6 +1052,11 @@ <h2 id="_changelog">21. Changelog</h2>
<div class="ilist"><ul>
+December 1 2008: Added using an SQL function example to Selecting Certain Fields section as per <a href="">this ticket</a>
November 23 2008: Added documentation for <tt>find_by_last</tt> and <tt>find_by_bang!</tt>
@@ -1723,7 +1723,7 @@ <h3 id="_adding_a_route">8.3. Adding a Route</h3>
<td class="icon">
<img src="./images/icons/tip.png" alt="Tip" />
-<td class="content">For more information on routing, see the <a href="../routing_outside_in">Rails Routing from the Outside In</a> guide.</td>
+<td class="content">For more information on routing, see the <a href="../routing_outside_in.html">Rails Routing from the Outside In</a> guide.</td>
<h3 id="_generating_a_controller">8.4. Generating a Controller</h3>
@@ -642,7 +642,7 @@ <h5 id="_conditional_layouts">Conditional Layouts</h5>
<div class="para"><p>With those declarations, the <tt>inventory</tt> layout would be used only for the <tt>index</tt> method, the <tt>product</tt> layout would be used for everything else except the <tt>rss</tt> method, and the <tt>rss</tt> method will have its layout determined by the automatic layout rules.</p></div>
<h5 id="_layout_inheritance">Layout Inheritance</h5>
<div class="para"><p>Layouts are shared downwards in the hierarchy, and more specific layouts always override more general ones. For example:</p></div>
-<div class="para"><p><tt>application.rb</tt>:</p></div>
+<div class="para"><p><tt>application_controller.rb</tt>:</p></div>
<div class="listingblock">
<div class="content"><!-- Generator: GNU source-highlight 2.9
by Lorenzo Bettini
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