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<h1>Source code for sqlobject.tests.test_sqlbuilder_dbspecific</h1><div class="highlight"><pre>
<span></span><span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">print_function</span>
<span class="kn">from</span> <span class="nn">sqlobject</span> <span class="k">import</span> <span class="n">BoolCol</span><span class="p">,</span> <span class="n">SQLObject</span>
<span class="kn">from</span> <span class="nn">sqlobject.sqlbuilder</span> <span class="k">import</span> <span class="n">AND</span><span class="p">,</span> <span class="n">Alias</span><span class="p">,</span> <span class="n">EXISTS</span><span class="p">,</span> <span class="n">JOIN</span><span class="p">,</span> <span class="n">LEFTJOINOn</span><span class="p">,</span> \
<span class="n">Select</span><span class="p">,</span> <span class="n">sqlrepr</span>
<span class="kn">from</span> <span class="nn">sqlobject.tests.dbtest</span> <span class="k">import</span> <span class="n">setupClass</span>
<span class="sd">''' Going to test that complex sqlbuilder constructions are never</span>
<span class="sd"> prematurely stringified. A straight-forward approach is to use</span>
<span class="sd"> Bools, since postgresql wants special formatting in queries.</span>
<span class="sd"> The test is whether a call to sqlrepr(x, 'postgres') includes</span>
<span class="sd"> the appropriate bool formatting throughout.</span>
<span class="sd">'''</span>
<div class="viewcode-block" id="SBButton"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_dbspecific.html#sqlobject.tests.test_sqlbuilder_dbspecific.SBButton">[docs]</a><span class="k">class</span> <span class="nc">SBButton</span><span class="p">(</span><span class="n">SQLObject</span><span class="p">):</span>
<span class="n">activated</span> <span class="o">=</span> <span class="n">BoolCol</span><span class="p">()</span>
</div>
<div class="viewcode-block" id="makeClause"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_dbspecific.html#sqlobject.tests.test_sqlbuilder_dbspecific.makeClause">[docs]</a><span class="k">def</span> <span class="nf">makeClause</span><span class="p">():</span>
<span class="c1"># It's not a comparison, it's an SQLExpression</span>
<span class="k">return</span> <span class="n">SBButton</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">activated</span> <span class="o">==</span> <span class="kc">True</span> <span class="c1"># noqa</span>
</div>
<div class="viewcode-block" id="makeSelect"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_dbspecific.html#sqlobject.tests.test_sqlbuilder_dbspecific.makeSelect">[docs]</a><span class="k">def</span> <span class="nf">makeSelect</span><span class="p">():</span>
<span class="k">return</span> <span class="n">Select</span><span class="p">(</span><span class="n">SBButton</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="n">clause</span><span class="o">=</span><span class="n">makeClause</span><span class="p">())</span>
</div>
<div class="viewcode-block" id="checkCount"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_dbspecific.html#sqlobject.tests.test_sqlbuilder_dbspecific.checkCount">[docs]</a><span class="k">def</span> <span class="nf">checkCount</span><span class="p">(</span><span class="n">q</span><span class="p">,</span> <span class="n">c</span><span class="p">,</span> <span class="n">msg</span><span class="o">=</span><span class="s1">''</span><span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">"STRING:"</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">q</span><span class="p">))</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">"POSTGR:"</span><span class="p">,</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">q</span><span class="p">,</span> <span class="s1">'postgres'</span><span class="p">))</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">q</span><span class="p">,</span> <span class="s1">'postgres'</span><span class="p">)</span><span class="o">.</span><span class="n">count</span><span class="p">(</span><span class="s2">"'t'"</span><span class="p">)</span> <span class="o">==</span> <span class="n">c</span> <span class="ow">and</span> \
<span class="n">sqlrepr</span><span class="p">(</span><span class="n">q</span><span class="p">,</span> <span class="s1">'postgres'</span><span class="p">)</span> <span class="o">!=</span> <span class="nb">str</span><span class="p">(</span><span class="n">q</span><span class="p">),</span> <span class="n">msg</span>
</div>
<div class="viewcode-block" id="testSimple"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_dbspecific.html#sqlobject.tests.test_sqlbuilder_dbspecific.testSimple">[docs]</a><span class="k">def</span> <span class="nf">testSimple</span><span class="p">():</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SBButton</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">makeClause</span><span class="p">(),</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">makeSelect</span><span class="p">(),</span> <span class="mi">1</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="testMiscOps"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_dbspecific.html#sqlobject.tests.test_sqlbuilder_dbspecific.testMiscOps">[docs]</a><span class="k">def</span> <span class="nf">testMiscOps</span><span class="p">():</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SBButton</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">AND</span><span class="p">(</span><span class="n">makeClause</span><span class="p">(),</span> <span class="n">makeClause</span><span class="p">()),</span> <span class="mi">2</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">AND</span><span class="p">(</span><span class="n">makeClause</span><span class="p">(),</span> <span class="n">EXISTS</span><span class="p">(</span><span class="n">makeSelect</span><span class="p">())),</span> <span class="mi">2</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="testAliased"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_dbspecific.html#sqlobject.tests.test_sqlbuilder_dbspecific.testAliased">[docs]</a><span class="k">def</span> <span class="nf">testAliased</span><span class="p">():</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SBButton</span><span class="p">)</span>
<span class="n">b</span> <span class="o">=</span> <span class="n">Alias</span><span class="p">(</span><span class="n">makeSelect</span><span class="p">(),</span> <span class="s1">'b'</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">Select</span><span class="p">(</span><span class="n">b</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="mi">1</span><span class="p">)</span>
<span class="c1"># Table1 & Table2 are treated individually in joins</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">JOIN</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">b</span><span class="p">),</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">JOIN</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">SBButton</span><span class="p">),</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">JOIN</span><span class="p">(</span><span class="n">SBButton</span><span class="p">,</span> <span class="n">b</span><span class="p">),</span> <span class="mi">1</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">LEFTJOINOn</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="n">b</span><span class="p">,</span> <span class="n">SBButton</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">b</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="mi">1</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">LEFTJOINOn</span><span class="p">(</span><span class="n">b</span><span class="p">,</span> <span class="n">SBButton</span><span class="p">,</span> <span class="n">SBButton</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">b</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="mi">1</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">LEFTJOINOn</span><span class="p">(</span><span class="n">SBButton</span><span class="p">,</span> <span class="n">b</span><span class="p">,</span> <span class="n">SBButton</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">b</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="mi">1</span><span class="p">)</span>
</div>
<div class="viewcode-block" id="testTablesUsedSResults"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder_dbspecific.html#sqlobject.tests.test_sqlbuilder_dbspecific.testTablesUsedSResults">[docs]</a><span class="k">def</span> <span class="nf">testTablesUsedSResults</span><span class="p">():</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SBButton</span><span class="p">)</span>
<span class="n">checkCount</span><span class="p">(</span><span class="n">SBButton</span><span class="o">.</span><span class="n">select</span><span class="p">(</span><span class="n">makeClause</span><span class="p">())</span><span class="o">.</span><span class="n">queryForSelect</span><span class="p">(),</span> <span class="mi">1</span><span class="p">)</span>
</pre></div></div>
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