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<h1>Source code for sqlobject.tests.test_sqlbuilder</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">IntCol</span><span class="p">,</span> <span class="n">SQLObject</span><span class="p">,</span> <span class="n">StringCol</span>
<span class="kn">from</span> <span class="nn">sqlobject.compat</span> <span class="k">import</span> <span class="n">PY2</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">CONCAT</span><span class="p">,</span> <span class="n">Delete</span><span class="p">,</span> <span class="n">Insert</span><span class="p">,</span> <span class="n">SQLOp</span><span class="p">,</span> <span class="n">Select</span><span class="p">,</span> \
<span class="n">Union</span><span class="p">,</span> <span class="n">Update</span><span class="p">,</span> <span class="n">const</span><span class="p">,</span> <span class="n">func</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">getConnection</span><span class="p">,</span> <span class="n">raises</span><span class="p">,</span> <span class="n">setupClass</span>
<div class="viewcode-block" id="SOTestSQLBuilder"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder.html#sqlobject.tests.test_sqlbuilder.SOTestSQLBuilder">[docs]</a><span class="k">class</span> <span class="nc">SOTestSQLBuilder</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">so_value</span> <span class="o">=</span> <span class="n">IntCol</span><span class="p">()</span>
</div>
<div class="viewcode-block" id="test_Select"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder.html#sqlobject.tests.test_sqlbuilder.test_Select">[docs]</a><span class="k">def</span> <span class="nf">test_Select</span><span class="p">():</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SOTestSQLBuilder</span><span class="p">)</span>
<span class="n">select1</span> <span class="o">=</span> <span class="n">Select</span><span class="p">([</span><span class="n">const</span><span class="o">.</span><span class="n">id</span><span class="p">,</span> <span class="n">func</span><span class="o">.</span><span class="n">MAX</span><span class="p">(</span><span class="n">const</span><span class="o">.</span><span class="n">salary</span><span class="p">)],</span>
<span class="n">staticTables</span><span class="o">=</span><span class="p">[</span><span class="s1">'employees'</span><span class="p">])</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">select1</span><span class="p">)</span> <span class="o">==</span> <span class="s1">'SELECT id, MAX(salary) FROM employees'</span>
<span class="n">select2</span> <span class="o">=</span> <span class="n">Select</span><span class="p">([</span><span class="n">SOTestSQLBuilder</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">SOTestSQLBuilder</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">so_value</span><span class="p">])</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">select2</span><span class="p">)</span> <span class="o">==</span> \
<span class="s1">'SELECT so_test_sql_builder.name, so_test_sql_builder.so_value '</span> \
<span class="s1">'FROM so_test_sql_builder'</span>
<span class="n">union</span> <span class="o">=</span> <span class="n">Union</span><span class="p">(</span><span class="n">select1</span><span class="p">,</span> <span class="n">select2</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">union</span><span class="p">)</span> <span class="o">==</span> \
<span class="s1">'SELECT id, MAX(salary) FROM employees '</span> \
<span class="s1">'UNION SELECT so_test_sql_builder.name, '</span> \
<span class="s1">'so_test_sql_builder.so_value '</span> \
<span class="s1">'FROM so_test_sql_builder'</span>
<span class="n">union</span> <span class="o">=</span> <span class="n">Union</span><span class="p">(</span><span class="n">SOTestSQLBuilder</span><span class="o">.</span><span class="n">select</span><span class="p">()</span><span class="o">.</span><span class="n">queryForSelect</span><span class="p">())</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">union</span><span class="p">)</span> <span class="o">==</span> \
<span class="s1">'SELECT so_test_sql_builder.id, so_test_sql_builder.name, '</span> \
<span class="s1">'so_test_sql_builder.so_value FROM so_test_sql_builder WHERE 1 = 1'</span>
</div>
<div class="viewcode-block" id="test_empty_AND"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder.html#sqlobject.tests.test_sqlbuilder.test_empty_AND">[docs]</a><span class="k">def</span> <span class="nf">test_empty_AND</span><span class="p">():</span>
<span class="k">assert</span> <span class="n">AND</span><span class="p">()</span> <span class="ow">is</span> <span class="kc">None</span>
<span class="k">assert</span> <span class="n">AND</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span> <span class="ow">is</span> <span class="kc">True</span>
<span class="c1"># sqlrepr() is needed because AND() returns an SQLExpression that overrides</span>
<span class="c1"># comparison. The following</span>
<span class="c1"># AND('x', 'y') == "foo bar"</span>
<span class="c1"># is True! (-: Eeek!</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">AND</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">))</span> <span class="o">==</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">SQLOp</span><span class="p">(</span><span class="s2">"AND"</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">))</span> <span class="o">==</span> <span class="s2">"((1) AND (2))"</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">AND</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="s1">'3'</span><span class="p">),</span> <span class="s2">"sqlite"</span><span class="p">)</span> <span class="o">==</span> \
<span class="n">sqlrepr</span><span class="p">(</span><span class="n">SQLOp</span><span class="p">(</span><span class="s2">"AND"</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">SQLOp</span><span class="p">(</span><span class="s2">"AND"</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="s1">'3'</span><span class="p">)),</span> <span class="s2">"sqlite"</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"((1) AND ((2) AND ('3')))"</span>
</div>
<div class="viewcode-block" id="test_modulo"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder.html#sqlobject.tests.test_sqlbuilder.test_modulo">[docs]</a><span class="k">def</span> <span class="nf">test_modulo</span><span class="p">():</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SOTestSQLBuilder</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">SOTestSQLBuilder</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">so_value</span> <span class="o">%</span> <span class="mi">2</span> <span class="o">==</span> <span class="mi">0</span><span class="p">,</span> <span class="s1">'mysql'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"((MOD(so_test_sql_builder.so_value, 2)) = (0))"</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">SOTestSQLBuilder</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">so_value</span> <span class="o">%</span> <span class="mi">2</span> <span class="o">==</span> <span class="mi">0</span><span class="p">,</span> <span class="s1">'sqlite'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"(((so_test_sql_builder.so_value) % (2)) = (0))"</span>
</div>
<div class="viewcode-block" id="test_division"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder.html#sqlobject.tests.test_sqlbuilder.test_division">[docs]</a><span class="k">def</span> <span class="nf">test_division</span><span class="p">():</span>
<span class="n">SOTestSQLBuilder</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s1">'test'</span><span class="p">,</span> <span class="n">so_value</span><span class="o">=-</span><span class="mi">11</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">SOTestSQLBuilder</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">so_value</span> <span class="o">/</span> <span class="mi">4</span> <span class="o">==</span> <span class="o">-</span><span class="mf">2.75</span><span class="p">,</span> <span class="s1">'mysql'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"(((so_test_sql_builder.so_value) / (4)) = (-2.75))"</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">SOTestSQLBuilder</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">so_value</span> <span class="o">//</span> <span class="mi">4</span> <span class="o">==</span> <span class="o">-</span><span class="mi">3</span><span class="p">,</span> <span class="s1">'mysql'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"((FLOOR(((so_test_sql_builder.so_value) / (4)))) = (-3))"</span>
</div>
<div class="viewcode-block" id="test_str_or_sqlrepr"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder.html#sqlobject.tests.test_sqlbuilder.test_str_or_sqlrepr">[docs]</a><span class="k">def</span> <span class="nf">test_str_or_sqlrepr</span><span class="p">():</span>
<span class="n">select</span> <span class="o">=</span> <span class="n">Select</span><span class="p">([</span><span class="s1">'id'</span><span class="p">,</span> <span class="s1">'name'</span><span class="p">],</span> <span class="n">staticTables</span><span class="o">=</span><span class="p">[</span><span class="s1">'employees'</span><span class="p">],</span>
<span class="n">where</span><span class="o">=</span><span class="s1">'value>0'</span><span class="p">,</span> <span class="n">orderBy</span><span class="o">=</span><span class="s1">'id'</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="s1">'sqlite'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s1">'SELECT id, name FROM employees WHERE value>0 ORDER BY id'</span>
<span class="n">select</span> <span class="o">=</span> <span class="n">Select</span><span class="p">([</span><span class="s1">'id'</span><span class="p">,</span> <span class="s1">'name'</span><span class="p">],</span> <span class="n">staticTables</span><span class="o">=</span><span class="p">[</span><span class="s1">'employees'</span><span class="p">],</span>
<span class="n">where</span><span class="o">=</span><span class="s1">'value>0'</span><span class="p">,</span> <span class="n">orderBy</span><span class="o">=</span><span class="s1">'id'</span><span class="p">,</span> <span class="n">lazyColumns</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">select</span><span class="p">,</span> <span class="s1">'sqlite'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s1">'SELECT id FROM employees WHERE value>0 ORDER BY id'</span>
<span class="n">insert</span> <span class="o">=</span> <span class="n">Insert</span><span class="p">(</span><span class="s1">'employees'</span><span class="p">,</span> <span class="n">values</span><span class="o">=</span><span class="p">{</span><span class="s1">'id'</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span> <span class="s1">'name'</span><span class="p">:</span> <span class="s1">'test'</span><span class="p">})</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">insert</span><span class="p">,</span> <span class="s1">'sqlite'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"INSERT INTO employees (id, name) VALUES (1, 'test')"</span>
<span class="n">update</span> <span class="o">=</span> <span class="n">Update</span><span class="p">(</span><span class="s1">'employees'</span><span class="p">,</span> <span class="p">{</span><span class="s1">'name'</span><span class="p">:</span> <span class="s1">'test'</span><span class="p">},</span> <span class="n">where</span><span class="o">=</span><span class="s1">'id=1'</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">update</span><span class="p">,</span> <span class="s1">'sqlite'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"UPDATE employees SET name='test' WHERE id=1"</span>
<span class="n">update</span> <span class="o">=</span> <span class="n">Update</span><span class="p">(</span><span class="s1">'employees'</span><span class="p">,</span> <span class="p">{</span><span class="s1">'name'</span><span class="p">:</span> <span class="s1">'test'</span><span class="p">,</span> <span class="s1">'age'</span><span class="p">:</span> <span class="mi">42</span><span class="p">},</span> <span class="n">where</span><span class="o">=</span><span class="s1">'id=1'</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">update</span><span class="p">,</span> <span class="s1">'sqlite'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"UPDATE employees SET age=42, name='test' WHERE id=1"</span>
<span class="n">delete</span> <span class="o">=</span> <span class="n">Delete</span><span class="p">(</span><span class="s1">'employees'</span><span class="p">,</span> <span class="n">where</span><span class="o">=</span><span class="s1">'id=1'</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">delete</span><span class="p">,</span> <span class="s1">'sqlite'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"DELETE FROM employees WHERE id=1"</span>
<span class="n">raises</span><span class="p">(</span><span class="ne">TypeError</span><span class="p">,</span> <span class="n">Delete</span><span class="p">,</span> <span class="s1">'employees'</span><span class="p">)</span>
<span class="n">delete</span> <span class="o">=</span> <span class="n">Delete</span><span class="p">(</span><span class="s1">'employees'</span><span class="p">,</span> <span class="n">where</span><span class="o">=</span><span class="kc">None</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">delete</span><span class="p">,</span> <span class="s1">'sqlite'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"DELETE FROM employees"</span>
</div>
<div class="viewcode-block" id="test_CONCAT"><a class="viewcode-back" href="../../../api/sqlobject.tests.test_sqlbuilder.html#sqlobject.tests.test_sqlbuilder.test_CONCAT">[docs]</a><span class="k">def</span> <span class="nf">test_CONCAT</span><span class="p">():</span>
<span class="n">setupClass</span><span class="p">(</span><span class="n">SOTestSQLBuilder</span><span class="p">)</span>
<span class="n">SOTestSQLBuilder</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s1">'test'</span><span class="p">,</span> <span class="n">so_value</span><span class="o">=</span><span class="mi">42</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">CONCAT</span><span class="p">(</span><span class="s1">'a'</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">),</span> <span class="s1">'mysql'</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"CONCAT('a', 'b')"</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">CONCAT</span><span class="p">(</span><span class="s1">'a'</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">),</span> <span class="s1">'mssql'</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"'a' + 'b'"</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">CONCAT</span><span class="p">(</span><span class="s1">'a'</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">),</span> <span class="s1">'sqlite'</span><span class="p">)</span> <span class="o">==</span> <span class="s2">"'a' || 'b'"</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">CONCAT</span><span class="p">(</span><span class="s1">'prefix'</span><span class="p">,</span> <span class="n">SOTestSQLBuilder</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">name</span><span class="p">),</span> <span class="s1">'mysql'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"CONCAT('prefix', so_test_sql_builder.name)"</span>
<span class="k">assert</span> <span class="n">sqlrepr</span><span class="p">(</span><span class="n">CONCAT</span><span class="p">(</span><span class="s1">'prefix'</span><span class="p">,</span> <span class="n">SOTestSQLBuilder</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">name</span><span class="p">),</span> <span class="s1">'sqlite'</span><span class="p">)</span> <span class="o">==</span> \
<span class="s2">"'prefix' || so_test_sql_builder.name"</span>
<span class="n">select</span> <span class="o">=</span> <span class="n">Select</span><span class="p">([</span><span class="n">CONCAT</span><span class="p">(</span><span class="n">SOTestSQLBuilder</span><span class="o">.</span><span class="n">q</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="s1">'-suffix'</span><span class="p">)],</span>
<span class="n">staticTables</span><span class="o">=</span><span class="p">[</span><span class="s1">'so_test_sql_builder'</span><span class="p">])</span>
<span class="n">connection</span> <span class="o">=</span> <span class="n">getConnection</span><span class="p">()</span>
<span class="n">rows</span> <span class="o">=</span> <span class="n">connection</span><span class="o">.</span><span class="n">queryAll</span><span class="p">(</span><span class="n">connection</span><span class="o">.</span><span class="n">sqlrepr</span><span class="p">(</span><span class="n">select</span><span class="p">))</span>
<span class="n">result</span> <span class="o">=</span> <span class="n">rows</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">PY2</span> <span class="ow">and</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">result</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span>
<span class="n">result</span> <span class="o">=</span> <span class="n">result</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s1">'ascii'</span><span class="p">)</span>
<span class="k">assert</span> <span class="n">result</span> <span class="o">==</span> <span class="s2">"test-suffix"</span>
</pre></div></div>
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