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<title>update_all (ActiveRecord::Base)</title>
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<pre><span class="ruby-comment cmt"># File lib/active_record/base.rb, line 827</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">update_all</span>(<span class="ruby-identifier">updates</span>, <span class="ruby-identifier">conditions</span> = <span class="ruby-keyword kw">nil</span>, <span class="ruby-identifier">options</span> = {})
<span class="ruby-identifier">sql</span> = <span class="ruby-node">"UPDATE #{quoted_table_name} SET #{sanitize_sql_for_assignment(updates)} "</span>
<span class="ruby-identifier">scope</span> = <span class="ruby-identifier">scope</span>(<span class="ruby-identifier">:find</span>)
<span class="ruby-identifier">select_sql</span> = <span class="ruby-value str">""</span>
<span class="ruby-identifier">add_conditions!</span>(<span class="ruby-identifier">select_sql</span>, <span class="ruby-identifier">conditions</span>, <span class="ruby-identifier">scope</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">options</span>.<span class="ruby-identifier">has_key?</span>(<span class="ruby-identifier">:limit</span>) <span class="ruby-operator">||</span> (<span class="ruby-identifier">scope</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">scope</span>[<span class="ruby-identifier">:limit</span>])
<span class="ruby-comment cmt"># Only take order from scope if limit is also provided by scope, this</span>
<span class="ruby-comment cmt"># is useful for updating a has_many association with a limit.</span>
<span class="ruby-identifier">add_order!</span>(<span class="ruby-identifier">select_sql</span>, <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:order</span>], <span class="ruby-identifier">scope</span>)
<span class="ruby-identifier">add_limit!</span>(<span class="ruby-identifier">select_sql</span>, <span class="ruby-identifier">options</span>, <span class="ruby-identifier">scope</span>)
<span class="ruby-identifier">sql</span>.<span class="ruby-identifier">concat</span>(<span class="ruby-identifier">connection</span>.<span class="ruby-identifier">limited_update_conditions</span>(<span class="ruby-identifier">select_sql</span>, <span class="ruby-identifier">quoted_table_name</span>, <span class="ruby-identifier">connection</span>.<span class="ruby-identifier">quote_column_name</span>(<span class="ruby-identifier">primary_key</span>)))
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">add_order!</span>(<span class="ruby-identifier">select_sql</span>, <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:order</span>], <span class="ruby-keyword kw">nil</span>)
<span class="ruby-identifier">sql</span>.<span class="ruby-identifier">concat</span>(<span class="ruby-identifier">select_sql</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">connection</span>.<span class="ruby-identifier">update</span>(<span class="ruby-identifier">sql</span>, <span class="ruby-node">"#{name} Update"</span>)
<span class="ruby-keyword kw">end</span></pre>
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distrib
>
Mandriva
>
2010.0
>
i586
>
media
>
contrib-release
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by-pkgid
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d51872cc0e1fdee944d71993f94ac764
>
files
>
132
