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  <div class="section" id="module-airflow.contrib.operators.qubole_check_operator">
<span id="airflow-contrib-operators-qubole-check-operator"></span><h1><a class="reference internal" href="#module-airflow.contrib.operators.qubole_check_operator" title="airflow.contrib.operators.qubole_check_operator"><code class="xref py py-mod docutils literal notranslate"><span class="pre">airflow.contrib.operators.qubole_check_operator</span></code></a><a class="headerlink" href="#module-airflow.contrib.operators.qubole_check_operator" title="Permalink to this headline">¶</a></h1>
<div class="section" id="module-contents">
<h2>Module Contents<a class="headerlink" href="#module-contents" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator">
<em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.operators.qubole_check_operator.</code><code class="sig-name descname">QuboleCheckOperator</code><span class="sig-paren">(</span><em class="sig-param">qubole_conn_id='qubole_default'</em>, <em class="sig-param">*args</em>, <em class="sig-param">**kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleCheckOperator"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="../../../operators/check_operator/index.html#airflow.operators.check_operator.CheckOperator" title="airflow.operators.check_operator.CheckOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.operators.check_operator.CheckOperator</span></code></a>, <a class="reference internal" href="../qubole_operator/index.html#airflow.contrib.operators.qubole_operator.QuboleOperator" title="airflow.contrib.operators.qubole_operator.QuboleOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.contrib.operators.qubole_operator.QuboleOperator</span></code></a></p>
<p>Performs checks against Qubole Commands. <code class="docutils literal notranslate"><span class="pre">QuboleCheckOperator</span></code> expects
a command that will be executed on QDS.
By default, each value on first row of the result of this Qubole Command
is evaluated using python <code class="docutils literal notranslate"><span class="pre">bool</span></code> casting. If any of the
values return <code class="docutils literal notranslate"><span class="pre">False</span></code>, the check is failed and errors out.</p>
<p>Note that Python bool casting evals the following as <code class="docutils literal notranslate"><span class="pre">False</span></code>:</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">False</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">0</span></code></p></li>
<li><p>Empty string (<code class="docutils literal notranslate"><span class="pre">&quot;&quot;</span></code>)</p></li>
<li><p>Empty list (<code class="docutils literal notranslate"><span class="pre">[]</span></code>)</p></li>
<li><p>Empty dictionary or set (<code class="docutils literal notranslate"><span class="pre">{}</span></code>)</p></li>
</ul>
<p>Given a query like <code class="docutils literal notranslate"><span class="pre">SELECT</span> <span class="pre">COUNT(*)</span> <span class="pre">FROM</span> <span class="pre">foo</span></code>, it will fail only if
the count <code class="docutils literal notranslate"><span class="pre">==</span> <span class="pre">0</span></code>. You can craft much more complex query that could,
for instance, check that the table has the same number of rows as
the source table upstream, or that the count of today’s partition is
greater than yesterday’s partition, or that a set of metrics are less
than 3 standard deviation for the 7 day average.</p>
<p>This operator can be used as a data quality check in your pipeline, and
depending on where you put it in your DAG, you have the choice to
stop the critical path, preventing from
publishing dubious data, or on the side and receive email alerts
without stopping the progress of the DAG.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>qubole_conn_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – Connection id which consists of qds auth_token</p>
</dd>
</dl>
<p>kwargs:</p>
<blockquote>
<div><p>Arguments specific to Qubole command can be referred from QuboleOperator docs.</p>
<dl class="field-list simple">
<dt class="field-odd">results_parser_callable</dt>
<dd class="field-odd"><p>This is an optional parameter to
extend the flexibility of parsing the results of Qubole
command to the users. This is a python callable which
can hold the logic to parse list of rows returned by Qubole command.
By default, only the values on first row are used for performing checks.
This callable should return a list of records on
which the checks have to be performed.</p>
</dd>
</dl>
</div></blockquote>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>All fields in common with template fields of
QuboleOperator and CheckOperator are template-supported.</p>
</div>
<dl class="attribute">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.template_fields">
<code class="sig-name descname">template_fields</code><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleCheckOperator.template_fields"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.template_fields" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="attribute">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.template_ext">
<code class="sig-name descname">template_ext</code><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleCheckOperator.template_ext"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.template_ext" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="attribute">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.ui_fgcolor">
<code class="sig-name descname">ui_fgcolor</code><em class="property"> = #000</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleCheckOperator.ui_fgcolor"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.ui_fgcolor" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.execute">
<code class="sig-name descname">execute</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">context=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleCheckOperator.execute"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.execute" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.get_db_hook">
<code class="sig-name descname">get_db_hook</code><span class="sig-paren">(</span><em class="sig-param">self</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleCheckOperator.get_db_hook"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.get_db_hook" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.get_hook">
<code class="sig-name descname">get_hook</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">context=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleCheckOperator.get_hook"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.get_hook" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.__getattribute__">
<code class="sig-name descname">__getattribute__</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">name</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleCheckOperator.__getattribute__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.__getattribute__" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.__setattr__">
<code class="sig-name descname">__setattr__</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">name</em>, <em class="sig-param">value</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleCheckOperator.__setattr__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleCheckOperator.__setattr__" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</dd></dl>

<dl class="class">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator">
<em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.operators.qubole_check_operator.</code><code class="sig-name descname">QuboleValueCheckOperator</code><span class="sig-paren">(</span><em class="sig-param">pass_value</em>, <em class="sig-param">tolerance=None</em>, <em class="sig-param">qubole_conn_id='qubole_default'</em>, <em class="sig-param">*args</em>, <em class="sig-param">**kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleValueCheckOperator"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="../../../operators/check_operator/index.html#airflow.operators.check_operator.ValueCheckOperator" title="airflow.operators.check_operator.ValueCheckOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.operators.check_operator.ValueCheckOperator</span></code></a>, <a class="reference internal" href="../qubole_operator/index.html#airflow.contrib.operators.qubole_operator.QuboleOperator" title="airflow.contrib.operators.qubole_operator.QuboleOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.contrib.operators.qubole_operator.QuboleOperator</span></code></a></p>
<p>Performs a simple value check using Qubole command.
By default, each value on the first row of this
Qubole command is compared with a pre-defined value.
The check fails and errors out if the output of the command
is not within the permissible limit of expected value.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>qubole_conn_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – Connection id which consists of qds auth_token</p></li>
<li><p><strong>pass_value</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a><em> or </em><a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.8)"><em>int</em></a><em> or </em><a class="reference external" href="https://docs.python.org/3/library/functions.html#float" title="(in Python v3.8)"><em>float</em></a>) – Expected value of the query results.</p></li>
<li><p><strong>tolerance</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.8)"><em>int</em></a><em> or </em><a class="reference external" href="https://docs.python.org/3/library/functions.html#float" title="(in Python v3.8)"><em>float</em></a>) – Defines the permissible pass_value range, for example if
tolerance is 2, the Qubole command output can be anything between
-2*pass_value and 2*pass_value, without the operator erring out.</p></li>
</ul>
</dd>
</dl>
<p>kwargs:</p>
<blockquote>
<div><p>Arguments specific to Qubole command can be referred from QuboleOperator docs.</p>
<dl class="field-list simple">
<dt class="field-odd">results_parser_callable</dt>
<dd class="field-odd"><p>This is an optional parameter to
extend the flexibility of parsing the results of Qubole
command to the users. This is a python callable which
can hold the logic to parse list of rows returned by Qubole command.
By default, only the values on first row are used for performing checks.
This callable should return a list of records on
which the checks have to be performed.</p>
</dd>
</dl>
</div></blockquote>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>All fields in common with template fields of
QuboleOperator and ValueCheckOperator are template-supported.</p>
</div>
<dl class="attribute">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.template_fields">
<code class="sig-name descname">template_fields</code><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleValueCheckOperator.template_fields"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.template_fields" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="attribute">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.template_ext">
<code class="sig-name descname">template_ext</code><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleValueCheckOperator.template_ext"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.template_ext" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="attribute">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.ui_fgcolor">
<code class="sig-name descname">ui_fgcolor</code><em class="property"> = #000</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleValueCheckOperator.ui_fgcolor"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.ui_fgcolor" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.execute">
<code class="sig-name descname">execute</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">context=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleValueCheckOperator.execute"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.execute" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.get_db_hook">
<code class="sig-name descname">get_db_hook</code><span class="sig-paren">(</span><em class="sig-param">self</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleValueCheckOperator.get_db_hook"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.get_db_hook" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.get_hook">
<code class="sig-name descname">get_hook</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">context=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleValueCheckOperator.get_hook"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.get_hook" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.__getattribute__">
<code class="sig-name descname">__getattribute__</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">name</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleValueCheckOperator.__getattribute__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.__getattribute__" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.__setattr__">
<code class="sig-name descname">__setattr__</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">name</em>, <em class="sig-param">value</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#QuboleValueCheckOperator.__setattr__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.QuboleValueCheckOperator.__setattr__" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</dd></dl>

<dl class="function">
<dt id="airflow.contrib.operators.qubole_check_operator.get_sql_from_qbol_cmd">
<code class="sig-prename descclassname">airflow.contrib.operators.qubole_check_operator.</code><code class="sig-name descname">get_sql_from_qbol_cmd</code><span class="sig-paren">(</span><em class="sig-param">params</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#get_sql_from_qbol_cmd"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.get_sql_from_qbol_cmd" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="function">
<dt id="airflow.contrib.operators.qubole_check_operator.handle_airflow_exception">
<code class="sig-prename descclassname">airflow.contrib.operators.qubole_check_operator.</code><code class="sig-name descname">handle_airflow_exception</code><span class="sig-paren">(</span><em class="sig-param">airflow_exception</em>, <em class="sig-param">hook</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/qubole_check_operator.html#handle_airflow_exception"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.qubole_check_operator.handle_airflow_exception" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

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