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<title>establish_connection (ActiveRecord::Base)</title>
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<pre><span class="ruby-comment cmt"># File lib/active_record/connection_adapters/abstract/connection_specification.rb, line 51</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">establish_connection</span>(<span class="ruby-identifier">spec</span> = <span class="ruby-keyword kw">nil</span>)
<span class="ruby-keyword kw">case</span> <span class="ruby-identifier">spec</span>
<span class="ruby-keyword kw">when</span> <span class="ruby-keyword kw">nil</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">AdapterNotSpecified</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-keyword kw">defined?</span> <span class="ruby-constant">RAILS_ENV</span>
<span class="ruby-identifier">establish_connection</span>(<span class="ruby-constant">RAILS_ENV</span>)
<span class="ruby-keyword kw">when</span> <span class="ruby-constant">ConnectionSpecification</span>
<span class="ruby-ivar">@@connection_handler</span>.<span class="ruby-identifier">establish_connection</span>(<span class="ruby-identifier">name</span>, <span class="ruby-identifier">spec</span>)
<span class="ruby-keyword kw">when</span> <span class="ruby-constant">Symbol</span>, <span class="ruby-constant">String</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">configuration</span> = <span class="ruby-identifier">configurations</span>[<span class="ruby-identifier">spec</span>.<span class="ruby-identifier">to_s</span>]
<span class="ruby-identifier">establish_connection</span>(<span class="ruby-identifier">configuration</span>)
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">AdapterNotSpecified</span>, <span class="ruby-node">"#{spec} database is not configured"</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">spec</span> = <span class="ruby-identifier">spec</span>.<span class="ruby-identifier">symbolize_keys</span>
<span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">spec</span>.<span class="ruby-identifier">key?</span>(<span class="ruby-identifier">:adapter</span>) <span class="ruby-keyword kw">then</span> <span class="ruby-identifier">raise</span> <span class="ruby-constant">AdapterNotSpecified</span>, <span class="ruby-value str">"database configuration does not specify adapter"</span> <span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">begin</span>
<span class="ruby-identifier">require</span> <span class="ruby-value str">'rubygems'</span>
<span class="ruby-identifier">gem</span> <span class="ruby-node">"activerecord-#{spec[:adapter]}-adapter"</span>
<span class="ruby-identifier">require</span> <span class="ruby-node">"active_record/connection_adapters/#{spec[:adapter]}_adapter"</span>
<span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">LoadError</span>
<span class="ruby-keyword kw">begin</span>
<span class="ruby-identifier">require</span> <span class="ruby-node">"active_record/connection_adapters/#{spec[:adapter]}_adapter"</span>
<span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">LoadError</span>
<span class="ruby-identifier">raise</span> <span class="ruby-node">"Please install the #{spec[:adapter]} adapter: `gem install activerecord-#{spec[:adapter]}-adapter` (#{$!})"</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">adapter_method</span> = <span class="ruby-node">"#{spec[:adapter]}_connection"</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">respond_to?</span>(<span class="ruby-identifier">adapter_method</span>)
<span class="ruby-identifier">raise</span> <span class="ruby-constant">AdapterNotFound</span>, <span class="ruby-node">"database configuration specifies nonexistent #{spec[:adapter]} adapter"</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">remove_connection</span>
<span class="ruby-identifier">establish_connection</span>(<span class="ruby-constant">ConnectionSpecification</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">spec</span>, <span class="ruby-identifier">adapter_method</span>))
<span class="ruby-keyword kw">end</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
>
d51872cc0e1fdee944d71993f94ac764
>
files
>
223
