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<title>construct_count_options_from_args (ActiveRecord::Calculations::ClassMethods)</title>
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<pre><span class="ruby-comment cmt"># File lib/active_record/calculations.rb, line 141</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">construct_count_options_from_args</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">args</span>)
<span class="ruby-identifier">options</span> = {}
<span class="ruby-identifier">column_name</span> = <span class="ruby-identifier">:all</span>
<span class="ruby-comment cmt"># We need to handle</span>
<span class="ruby-comment cmt"># count()</span>
<span class="ruby-comment cmt"># count(:column_name=:all)</span>
<span class="ruby-comment cmt"># count(options={})</span>
<span class="ruby-comment cmt"># count(column_name=:all, options={})</span>
<span class="ruby-keyword kw">case</span> <span class="ruby-identifier">args</span>.<span class="ruby-identifier">size</span>
<span class="ruby-keyword kw">when</span> <span class="ruby-value">1</span>
<span class="ruby-identifier">args</span>[<span class="ruby-value">0</span>].<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">Hash</span>) <span class="ruby-operator">?</span> <span class="ruby-identifier">options</span> = <span class="ruby-identifier">args</span>[<span class="ruby-value">0</span>] <span class="ruby-operator">:</span> <span class="ruby-identifier">column_name</span> = <span class="ruby-identifier">args</span>[<span class="ruby-value">0</span>]
<span class="ruby-keyword kw">when</span> <span class="ruby-value">2</span>
<span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">options</span> = <span class="ruby-identifier">args</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ArgumentError</span>, <span class="ruby-node">"Unexpected parameters passed to count(): #{args.inspect}"</span>
<span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">args</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">></span> <span class="ruby-value">0</span>
[<span class="ruby-identifier">column_name</span>, <span class="ruby-identifier">options</span>]
<span class="ruby-keyword kw">end</span></pre>
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distrib
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Mandriva
>
2010.0
>
i586
>
media
>
contrib-release
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by-pkgid
>
d51872cc0e1fdee944d71993f94ac764
>
files
>
247
