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<h1>Source code for sqlobject.tests.test_joins_conditional</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">SQLObject</span><span class="p">,</span> <span class="n">StringCol</span>
<span class="kn">from</span> <span class="nn">sqlobject.sqlbuilder</span> <span class="k">import</span> <span class="n">JOIN</span><span class="p">,</span> <span class="n">LEFTJOIN</span><span class="p">,</span> <span class="n">LEFTJOINConditional</span><span class="p">,</span> \
<span class="n">LEFTJOINOn</span><span class="p">,</span> <span class="n">LEFTJOINUsing</span>
<span class="kn">from</span> <span class="nn">sqlobject.tests.dbtest</span> <span class="k">import</span> <span class="n">getConnection</span><span class="p">,</span> <span class="n">setupClass</span>
<span class="c1">########################################</span>
<span class="c1"># Condiotional joins</span>
<span class="c1">########################################</span>
<div class="viewcode-block" id="SOTestJoin1"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.SOTestJoin1">[docs]</a><span class="k">class</span> <span class="nc">SOTestJoin1</span><span class="p">(</span><span class="n">SQLObject</span><span class="p">):</span>
<span class="n">col1</span> <span class="o">=</span> <span class="n">StringCol</span><span class="p">()</span>
</div>
<div class="viewcode-block" id="SOTestJoin2"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.SOTestJoin2">[docs]</a><span class="k">class</span> <span class="nc">SOTestJoin2</span><span class="p">(</span><span class="n">SQLObject</span><span class="p">):</span>
<span class="n">col2</span> <span class="o">=</span> <span class="n">StringCol</span><span class="p">()</span>
</div>
<div class="viewcode-block" id="SOTestJoin3"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.SOTestJoin3">[docs]</a><span class="k">class</span> <span class="nc">SOTestJoin3</span><span class="p">(</span><span class="n">SQLObject</span><span class="p">):</span>
<span class="n">col3</span> <span class="o">=</span> <span class="n">StringCol</span><span class="p">()</span>
</div>
<div class="viewcode-block" id="SOTestJoin4"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.SOTestJoin4">[docs]</a><span class="k">class</span> <span class="nc">SOTestJoin4</span><span class="p">(</span><span class="n">SQLObject</span><span class="p">):</span>
<span class="n">col4</span> <span class="o">=</span> <span class="n">StringCol</span><span class="p">()</span>
</div>
<div class="viewcode-block" id="SOTestJoin5"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.SOTestJoin5">[docs]</a><span class="k">class</span> <span class="nc">SOTestJoin5</span><span class="p">(</span><span class="n">SQLObject</span><span class="p">):</span>
<span class="n">col5</span> <span class="o">=</span> <span class="n">StringCol</span><span class="p">()</span>
</div>
<div class="viewcode-block" id="setup"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.setup">[docs]</a><span class="k">def</span> <span class="nf">setup</span><span class="p">():</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SOTestJoin1</span><span class="p">)</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SOTestJoin2</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="test_1syntax"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.test_1syntax">[docs]</a><span class="k">def</span> <span class="nf">test_1syntax</span><span class="p">():</span>
<span class="n">setup</span><span class="p">()</span>
<span class="n">join</span> <span class="o">=</span> <span class="n">JOIN</span><span class="p">(</span><span class="s2">"table1"</span><span class="p">,</span> <span class="s2">"table2"</span><span class="p">)</span>
<span class="k">assert</span> <span class="nb">str</span><span class="p">(</span><span class="n">join</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"table1 JOIN table2"</span>
<span class="n">join</span> <span class="o">=</span> <span class="n">LEFTJOIN</span><span class="p">(</span><span class="s2">"table1"</span><span class="p">,</span> <span class="s2">"table2"</span><span class="p">)</span>
<span class="k">assert</span> <span class="nb">str</span><span class="p">(</span><span class="n">join</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"table1 LEFT JOIN table2"</span>
<span class="n">join</span> <span class="o">=</span> <span class="n">LEFTJOINOn</span><span class="p">(</span><span class="s2">"table1"</span><span class="p">,</span> <span class="s2">"table2"</span><span class="p">,</span> <span class="s2">"tabl1.col1 = table2.col2"</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">getConnection</span><span class="p">()</span><span class="o">.</span><span class="n">sqlrepr</span><span class="p">(</span><span class="n">join</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"table1 LEFT JOIN table2 ON tabl1.col1 = table2.col2"</span>
</div>
<div class="viewcode-block" id="test_2select_syntax"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.test_2select_syntax">[docs]</a><span class="k">def</span> <span class="nf">test_2select_syntax</span><span class="p">():</span>
<span class="n">setup</span><span class="p">()</span>
<span class="n">select</span> <span class="o">=</span> <span class="n">SOTestJoin1</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">join</span><span class="o">=</span><span class="n">LEFTJOINConditional</span><span class="p">(</span><span class="n">SOTestJoin1</span><span class="p">,</span> <span class="n">SOTestJoin2</span><span class="p">,</span>
<span class="n">on_condition</span><span class="o">=</span><span class="p">(</span>
<span class="n">SOTestJoin1</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">col1</span> <span class="o">==</span> <span class="n">SOTestJoin2</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">col2</span><span class="p">))</span>
<span class="p">)</span>
<span class="k">assert</span> <span class="nb">str</span><span class="p">(</span><span class="n">select</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"SELECT so_test_join1.id, so_test_join1.col1 "</span> \
<span class="s2">"FROM so_test_join1 "</span> \
<span class="s2">"LEFT JOIN so_test_join2 "</span> \
<span class="s2">"ON ((so_test_join1.col1) = (so_test_join2.col2)) WHERE 1 = 1"</span>
</div>
<div class="viewcode-block" id="test_3perform_join"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.test_3perform_join">[docs]</a><span class="k">def</span> <span class="nf">test_3perform_join</span><span class="p">():</span>
<span class="n">setup</span><span class="p">()</span>
<span class="n">SOTestJoin1</span><span class="p">(</span><span class="n">col1</span><span class="o">=</span><span class="s2">"test1"</span><span class="p">)</span>
<span class="n">SOTestJoin1</span><span class="p">(</span><span class="n">col1</span><span class="o">=</span><span class="s2">"test2"</span><span class="p">)</span>
<span class="n">SOTestJoin1</span><span class="p">(</span><span class="n">col1</span><span class="o">=</span><span class="s2">"test3"</span><span class="p">)</span>
<span class="n">SOTestJoin2</span><span class="p">(</span><span class="n">col2</span><span class="o">=</span><span class="s2">"test1"</span><span class="p">)</span>
<span class="n">SOTestJoin2</span><span class="p">(</span><span class="n">col2</span><span class="o">=</span><span class="s2">"test2"</span><span class="p">)</span>
<span class="n">select</span> <span class="o">=</span> <span class="n">SOTestJoin1</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">join</span><span class="o">=</span><span class="n">LEFTJOINOn</span><span class="p">(</span><span class="n">SOTestJoin1</span><span class="p">,</span> <span class="n">SOTestJoin2</span><span class="p">,</span>
<span class="n">SOTestJoin1</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">col1</span> <span class="o">==</span> <span class="n">SOTestJoin2</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">col2</span><span class="p">)</span>
<span class="p">)</span>
<span class="k">assert</span> <span class="n">select</span><span class="o">.</span><span class="n">count</span><span class="p">()</span> <span class="o">==</span> <span class="mi">3</span>
</div>
<div class="viewcode-block" id="test_4join_3tables_syntax"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.test_4join_3tables_syntax">[docs]</a><span class="k">def</span> <span class="nf">test_4join_3tables_syntax</span><span class="p">():</span>
<span class="n">setup</span><span class="p">()</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SOTestJoin3</span><span class="p">)</span>
<span class="n">select</span> <span class="o">=</span> <span class="n">SOTestJoin1</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">join</span><span class="o">=</span><span class="n">LEFTJOIN</span><span class="p">(</span><span class="n">SOTestJoin2</span><span class="p">,</span> <span class="n">SOTestJoin3</span><span class="p">)</span>
<span class="p">)</span>
<span class="k">assert</span> <span class="nb">str</span><span class="p">(</span><span class="n">select</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"SELECT so_test_join1.id, so_test_join1.col1 "</span> \
<span class="s2">"FROM so_test_join1, so_test_join2 LEFT JOIN so_test_join3 WHERE 1 = 1"</span>
</div>
<div class="viewcode-block" id="test_5join_3tables_syntax2"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.test_5join_3tables_syntax2">[docs]</a><span class="k">def</span> <span class="nf">test_5join_3tables_syntax2</span><span class="p">():</span>
<span class="n">setup</span><span class="p">()</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SOTestJoin3</span><span class="p">)</span>
<span class="n">select</span> <span class="o">=</span> <span class="n">SOTestJoin1</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">join</span><span class="o">=</span><span class="p">(</span><span class="n">LEFTJOIN</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">SOTestJoin2</span><span class="p">),</span> <span class="n">LEFTJOIN</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">SOTestJoin3</span><span class="p">))</span>
<span class="p">)</span>
<span class="k">assert</span> <span class="nb">str</span><span class="p">(</span><span class="n">select</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"SELECT so_test_join1.id, so_test_join1.col1 "</span> \
<span class="s2">"FROM so_test_join1 "</span> \
<span class="s2">"LEFT JOIN so_test_join2 LEFT JOIN so_test_join3 WHERE 1 = 1"</span>
<span class="n">select</span> <span class="o">=</span> <span class="n">SOTestJoin1</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">join</span><span class="o">=</span><span class="p">(</span><span class="n">LEFTJOIN</span><span class="p">(</span><span class="n">SOTestJoin1</span><span class="p">,</span> <span class="n">SOTestJoin2</span><span class="p">),</span>
<span class="n">LEFTJOIN</span><span class="p">(</span><span class="n">SOTestJoin1</span><span class="p">,</span> <span class="n">SOTestJoin3</span><span class="p">))</span>
<span class="p">)</span>
<span class="k">assert</span> <span class="nb">str</span><span class="p">(</span><span class="n">select</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"SELECT so_test_join1.id, so_test_join1.col1 "</span> \
<span class="s2">"FROM so_test_join1 "</span> \
<span class="s2">"LEFT JOIN so_test_join2, so_test_join1 "</span> \
<span class="s2">"LEFT JOIN so_test_join3 WHERE 1 = 1"</span>
</div>
<div class="viewcode-block" id="test_6join_using"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.test_6join_using">[docs]</a><span class="k">def</span> <span class="nf">test_6join_using</span><span class="p">():</span>
<span class="n">setup</span><span class="p">()</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SOTestJoin3</span><span class="p">)</span>
<span class="n">select</span> <span class="o">=</span> <span class="n">SOTestJoin1</span><span class="o">.</span><span class="n">select</span><span class="p">(</span>
<span class="n">join</span><span class="o">=</span><span class="n">LEFTJOINUsing</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">SOTestJoin2</span><span class="p">,</span> <span class="p">[</span><span class="n">SOTestJoin2</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">id</span><span class="p">])</span>
<span class="p">)</span>
<span class="k">assert</span> <span class="nb">str</span><span class="p">(</span><span class="n">select</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"SELECT so_test_join1.id, so_test_join1.col1 "</span> \
<span class="s2">"FROM so_test_join1 "</span> \
<span class="s2">"LEFT JOIN so_test_join2 USING (so_test_join2.id) WHERE 1 = 1"</span>
</div>
<div class="viewcode-block" id="test_7join_on"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_joins_conditional.html#sqlobject.tests.test_joins_conditional.test_7join_on">[docs]</a><span class="k">def</span> <span class="nf">test_7join_on</span><span class="p">():</span>
<span class="n">setup</span><span class="p">()</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SOTestJoin3</span><span class="p">)</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SOTestJoin4</span><span class="p">)</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SOTestJoin5</span><span class="p">)</span>
<span class="n">select</span> <span class="o">=</span> <span class="n">SOTestJoin1</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">join</span><span class="o">=</span><span class="p">(</span>
<span class="n">LEFTJOINOn</span><span class="p">(</span><span class="n">SOTestJoin2</span><span class="p">,</span> <span class="n">SOTestJoin3</span><span class="p">,</span>
<span class="n">SOTestJoin2</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">col2</span> <span class="o">==</span> <span class="n">SOTestJoin3</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">col3</span><span class="p">),</span>
<span class="n">LEFTJOINOn</span><span class="p">(</span><span class="n">SOTestJoin4</span><span class="p">,</span> <span class="n">SOTestJoin5</span><span class="p">,</span>
<span class="n">SOTestJoin4</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">col4</span> <span class="o">==</span> <span class="n">SOTestJoin5</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">col5</span><span class="p">)</span>
<span class="p">))</span>
<span class="k">assert</span> <span class="nb">str</span><span class="p">(</span><span class="n">select</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"SELECT so_test_join1.id, so_test_join1.col1 "</span> \
<span class="s2">"FROM so_test_join1, so_test_join2 "</span> \
<span class="s2">"LEFT JOIN so_test_join3 "</span> \
<span class="s2">"ON ((so_test_join2.col2) = (so_test_join3.col3)), so_test_join4 "</span> \
<span class="s2">"LEFT JOIN so_test_join5 "</span> \
<span class="s2">"ON ((so_test_join4.col4) = (so_test_join5.col5)) WHERE 1 = 1"</span>
</pre></div></div>
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