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<title>exists? (ActiveRecord::Base)</title>
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<pre><span class="ruby-comment cmt"># File lib/active_record/base.rb, line 689</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">exists?</span>(<span class="ruby-identifier">id_or_conditions</span> = {})
<span class="ruby-identifier">find_initial</span>(
<span class="ruby-identifier">:select</span> =<span class="ruby-operator">></span> <span class="ruby-node">"#{quoted_table_name}.#{primary_key}"</span>,
<span class="ruby-identifier">:conditions</span> =<span class="ruby-operator">></span> <span class="ruby-identifier">expand_id_conditions</span>(<span class="ruby-identifier">id_or_conditions</span>)) <span class="ruby-operator">?</span> <span class="ruby-keyword kw">true</span> <span class="ruby-operator">:</span> <span class="ruby-keyword kw">false</span>
<span class="ruby-keyword kw">end</span></pre>
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distrib
>
Mandriva
>
2010.0
>
i586
>
media
>
contrib-release
>
by-pkgid
>
d51872cc0e1fdee944d71993f94ac764
>
files
>
127
