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<h1>Source code for sqlobject.tests.test_sqlbuilder_joins_instances</h1><div class="highlight"><pre>
<span></span><span class="kn">from</span> <span class="nn">sqlobject</span> <span class="k">import</span> <span class="n">AND</span><span class="p">,</span> <span class="n">ForeignKey</span><span class="p">,</span> <span class="n">SQLMultipleJoin</span><span class="p">,</span> <span class="n">SQLObject</span><span class="p">,</span> \
<span class="n">SQLRelatedJoin</span><span class="p">,</span> <span class="n">StringCol</span>
<span class="kn">from</span> <span class="nn">sqlobject.tests.dbtest</span> <span class="k">import</span> <span class="n">inserts</span><span class="p">,</span> <span class="n">setupClass</span>
<span class="c1"># Testing for expressing join, foreign keys,</span>
<span class="c1"># and instance identity in SQLBuilder expressions.</span>
<div class="viewcode-block" id="SBPerson"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_joins_instances.html#sqlobject.tests.test_sqlbuilder_joins_instances.SBPerson">[docs]</a><span class="k">class</span> <span class="nc">SBPerson</span><span class="p">(</span><span class="n">SQLObject</span><span class="p">):</span>
<span class="n">name</span> <span class="o">=</span> <span class="n">StringCol</span><span class="p">()</span>
<span class="n">addresses</span> <span class="o">=</span> <span class="n">SQLMultipleJoin</span><span class="p">(</span><span class="s1">'SBAddress'</span><span class="p">,</span> <span class="n">joinColumn</span><span class="o">=</span><span class="s1">'personID'</span><span class="p">)</span>
<span class="n">sharedAddresses</span> <span class="o">=</span> <span class="n">SQLRelatedJoin</span><span class="p">(</span><span class="s1">'SBAddress'</span><span class="p">,</span>
<span class="n">addRemoveName</span><span class="o">=</span><span class="s1">'SharedAddress'</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="SBAddress"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_joins_instances.html#sqlobject.tests.test_sqlbuilder_joins_instances.SBAddress">[docs]</a><span class="k">class</span> <span class="nc">SBAddress</span><span class="p">(</span><span class="n">SQLObject</span><span class="p">):</span>
<span class="n">city</span> <span class="o">=</span> <span class="n">StringCol</span><span class="p">()</span>
<span class="n">person</span> <span class="o">=</span> <span class="n">ForeignKey</span><span class="p">(</span><span class="s1">'SBPerson'</span><span class="p">)</span>
<span class="n">sharedPeople</span> <span class="o">=</span> <span class="n">SQLRelatedJoin</span><span class="p">(</span><span class="s1">'SBPerson'</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="setup_module"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_joins_instances.html#sqlobject.tests.test_sqlbuilder_joins_instances.setup_module">[docs]</a><span class="k">def</span> <span class="nf">setup_module</span><span class="p">(</span><span class="n">mod</span><span class="p">):</span>
<span class="k">global</span> <span class="n">ppl</span>
<span class="n">setupClass</span><span class="p">([</span><span class="n">SBPerson</span><span class="p">,</span> <span class="n">SBAddress</span><span class="p">])</span>
<span class="n">ppl</span> <span class="o">=</span> <span class="n">inserts</span><span class="p">(</span><span class="n">SBPerson</span><span class="p">,</span> <span class="p">[(</span><span class="s1">'James'</span><span class="p">,),</span> <span class="p">(</span><span class="s1">'Julia'</span><span class="p">,)],</span> <span class="s1">'name'</span><span class="p">)</span>
<span class="n">adds</span> <span class="o">=</span> <span class="n">inserts</span><span class="p">(</span><span class="n">SBAddress</span><span class="p">,</span> <span class="p">[(</span><span class="s1">'London'</span><span class="p">,</span> <span class="n">ppl</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">id</span><span class="p">),</span>
<span class="p">(</span><span class="s1">'Chicago'</span><span class="p">,</span> <span class="n">ppl</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">id</span><span class="p">),</span>
<span class="p">(</span><span class="s1">'Abu Dhabi'</span><span class="p">,</span> <span class="n">ppl</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">id</span><span class="p">)],</span>
<span class="s1">'city personID'</span><span class="p">)</span>
<span class="n">ppl</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">addSharedAddress</span><span class="p">(</span><span class="n">adds</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
<span class="n">ppl</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">addSharedAddress</span><span class="p">(</span><span class="n">adds</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
<span class="n">ppl</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">addSharedAddress</span><span class="p">(</span><span class="n">adds</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
</div>
<div class="viewcode-block" id="testJoin"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_joins_instances.html#sqlobject.tests.test_sqlbuilder_joins_instances.testJoin">[docs]</a><span class="k">def</span> <span class="nf">testJoin</span><span class="p">():</span>
<span class="k">assert</span> <span class="nb">list</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">AND</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">id</span> <span class="o">==</span> <span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">personID</span><span class="p">,</span>
<span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">city</span> <span class="o">==</span> <span class="s1">'London'</span><span class="p">)))</span> <span class="o">==</span> \
<span class="nb">list</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">selectBy</span><span class="p">(</span><span class="n">city</span><span class="o">=</span><span class="s1">'London'</span><span class="p">)</span><span class="o">.</span><span class="n">throughTo</span><span class="o">.</span><span class="n">person</span><span class="p">)</span>
<span class="k">assert</span> <span class="nb">list</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">AND</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">id</span> <span class="o">==</span> <span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">personID</span><span class="p">,</span>
<span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s1">'Julia'</span><span class="p">))</span><span class="o">.</span><span class="n">orderBy</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">city</span><span class="p">))</span> <span class="o">==</span> \
<span class="nb">list</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">selectBy</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s1">'Julia'</span><span class="p">)</span><span class="o">.</span>
<span class="n">throughTo</span><span class="o">.</span><span class="n">addresses</span><span class="o">.</span><span class="n">orderBy</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">city</span><span class="p">))</span>
</div>
<div class="viewcode-block" id="testRelatedJoin"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_joins_instances.html#sqlobject.tests.test_sqlbuilder_joins_instances.testRelatedJoin">[docs]</a><span class="k">def</span> <span class="nf">testRelatedJoin</span><span class="p">():</span>
<span class="k">assert</span> <span class="nb">list</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">selectBy</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s1">'Julia'</span><span class="p">)</span><span class="o">.</span><span class="n">throughTo</span><span class="o">.</span><span class="n">sharedAddresses</span><span class="p">)</span> <span class="o">==</span> \
<span class="nb">list</span><span class="p">(</span><span class="n">ppl</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">sharedAddresses</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="testInstance"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_joins_instances.html#sqlobject.tests.test_sqlbuilder_joins_instances.testInstance">[docs]</a><span class="k">def</span> <span class="nf">testInstance</span><span class="p">():</span>
<span class="k">assert</span> <span class="nb">list</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">AND</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">id</span> <span class="o">==</span> <span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">personID</span><span class="p">,</span> <span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">id</span> <span class="o">==</span> <span class="n">ppl</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">id</span><span class="p">)</span>
<span class="p">))</span> <span class="o">==</span> <span class="nb">list</span><span class="p">(</span><span class="n">ppl</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">addresses</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="testFK"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_joins_instances.html#sqlobject.tests.test_sqlbuilder_joins_instances.testFK">[docs]</a><span class="k">def</span> <span class="nf">testFK</span><span class="p">():</span>
<span class="k">assert</span> <span class="nb">list</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">AND</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">j</span><span class="o">.</span><span class="n">person</span><span class="p">,</span> <span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">city</span> <span class="o">==</span> <span class="s1">'London'</span><span class="p">)))</span> <span class="o">==</span> \
<span class="nb">list</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">AND</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">id</span> <span class="o">==</span> <span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">personID</span><span class="p">,</span>
<span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">city</span> <span class="o">==</span> <span class="s1">'London'</span><span class="p">)))</span>
</div>
<div class="viewcode-block" id="testRelatedJoin2"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_joins_instances.html#sqlobject.tests.test_sqlbuilder_joins_instances.testRelatedJoin2">[docs]</a><span class="k">def</span> <span class="nf">testRelatedJoin2</span><span class="p">():</span>
<span class="k">assert</span> <span class="nb">list</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">AND</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">j</span><span class="o">.</span><span class="n">sharedPeople</span><span class="p">,</span> <span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s1">'Julia'</span><span class="p">)))</span> <span class="o">==</span> \
<span class="nb">list</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s1">'Julia'</span><span class="p">)</span><span class="o">.</span><span class="n">throughTo</span><span class="o">.</span><span class="n">sharedAddresses</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="testJoin2"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_joins_instances.html#sqlobject.tests.test_sqlbuilder_joins_instances.testJoin2">[docs]</a><span class="k">def</span> <span class="nf">testJoin2</span><span class="p">():</span>
<span class="k">assert</span> <span class="nb">list</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">AND</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">j</span><span class="o">.</span><span class="n">addresses</span><span class="p">,</span>
<span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s1">'Julia'</span><span class="p">))</span><span class="o">.</span><span class="n">orderBy</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">city</span><span class="p">))</span> <span class="o">==</span> \
<span class="nb">list</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">AND</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">id</span> <span class="o">==</span> <span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">personID</span><span class="p">,</span>
<span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s1">'Julia'</span><span class="p">))</span><span class="o">.</span><span class="n">orderBy</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">city</span><span class="p">))</span> <span class="o">==</span> \
<span class="nb">list</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">selectBy</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s1">'Julia'</span><span class="p">)</span><span class="o">.</span><span class="n">throughTo</span><span class="o">.</span>
<span class="n">addresses</span><span class="o">.</span><span class="n">orderBy</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">city</span><span class="p">))</span>
</div>
<div class="viewcode-block" id="testFK2"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_joins_instances.html#sqlobject.tests.test_sqlbuilder_joins_instances.testFK2">[docs]</a><span class="k">def</span> <span class="nf">testFK2</span><span class="p">():</span>
<span class="k">assert</span> <span class="nb">list</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">AND</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">j</span><span class="o">.</span><span class="n">person</span><span class="p">,</span> <span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s1">'Julia'</span><span class="p">)))</span> <span class="o">==</span> \
<span class="nb">list</span><span class="p">(</span><span class="n">SBAddress</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">AND</span><span class="p">(</span><span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">id</span> <span class="o">==</span> <span class="n">SBAddress</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">personID</span><span class="p">,</span>
<span class="n">SBPerson</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s1">'Julia'</span><span class="p">)))</span>
</pre></div></div>
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