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| <div class="section" id="module-airflow.sensors.sql_sensor"> |
| <span id="airflow-sensors-sql-sensor"></span><h1><a class="reference internal" href="#module-airflow.sensors.sql_sensor" title="airflow.sensors.sql_sensor"><code class="xref py py-mod docutils literal notranslate"><span class="pre">airflow.sensors.sql_sensor</span></code></a><a class="headerlink" href="#module-airflow.sensors.sql_sensor" 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.sensors.sql_sensor.SqlSensor"> |
| <em class="property">class </em><code class="sig-prename descclassname">airflow.sensors.sql_sensor.</code><code class="sig-name descname">SqlSensor</code><span class="sig-paren">(</span><em class="sig-param">conn_id</em>, <em class="sig-param">sql</em>, <em class="sig-param">parameters=None</em>, <em class="sig-param">success=None</em>, <em class="sig-param">failure=None</em>, <em class="sig-param">fail_on_empty=False</em>, <em class="sig-param">allow_null=True</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/sensors/sql_sensor.html#SqlSensor"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.sensors.sql_sensor.SqlSensor" title="Permalink to this definition">¶</a></dt> |
| <dd><p>Bases: <a class="reference internal" href="../base_sensor_operator/index.html#airflow.sensors.base_sensor_operator.BaseSensorOperator" title="airflow.sensors.base_sensor_operator.BaseSensorOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.sensors.base_sensor_operator.BaseSensorOperator</span></code></a></p> |
| <p>Runs a sql statement repeatedly until a criteria is met. It will keep trying until |
| success or failure criteria are met, or if the first cell is not in (0, ‘0’, ‘’, None). |
| An allow_null parameter exclude ‘None’ results from failure criteria. |
| Optional success and failure callables are called with the first cell returned as the argument. |
| If success callable is defined the sensor will keep retrying until the criteria is met. |
| If failure callable is defined and the criteria is met the sensor will raise AirflowException. |
| Failure criteria is evaluated before success criteria. A fail_on_empty boolean can also |
| be passed to the sensor in which case it will fail if no rows have been returned</p> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>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>) – The connection to run the sensor against</p></li> |
| <li><p><strong>sql</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – The sql to run. To pass, it needs to return at least one cell |
| that contains a non-zero / empty string value.</p></li> |
| <li><p><strong>parameters</strong> (<em>mapping</em><em> or </em><em>iterable</em>) – The parameters to render the SQL query with (optional).</p></li> |
| <li><p><strong>success</strong> – Success criteria for the sensor is a Callable that takes first_cell |
| as the only argument, and returns a boolean (optional).</p></li> |
| <li><p><strong>failure</strong> – Failure criteria for the sensor is a Callable that takes first_cell |
| as the only argument and return a boolean (optional).</p></li> |
| <li><p><strong>fail_on_empty</strong> – Explicitly fail on no rows returned.</p></li> |
| <li><p><strong>allow_null</strong> – Treat NULL in first cell as success.</p></li> |
| </ul> |
| </dd> |
| <dt class="field-even">Type</dt> |
| <dd class="field-even"><p>success: Optional<Callable[[Any], <a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)">bool</a>]></p> |
| </dd> |
| <dt class="field-odd">Type</dt> |
| <dd class="field-odd"><p>failure: Optional<Callable[[Any], <a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)">bool</a>]></p> |
| </dd> |
| <dt class="field-even">Type</dt> |
| <dd class="field-even"><p>fail_on_empty: bool</p> |
| </dd> |
| <dt class="field-odd">Type</dt> |
| <dd class="field-odd"><p>allow_null: bool</p> |
| </dd> |
| </dl> |
| <dl class="attribute"> |
| <dt id="airflow.sensors.sql_sensor.SqlSensor.template_fields"> |
| <code class="sig-name descname">template_fields</code><em class="property"> :Iterable[str] = ['sql']</em><a class="reference internal" href="../../../../_modules/airflow/sensors/sql_sensor.html#SqlSensor.template_fields"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.sensors.sql_sensor.SqlSensor.template_fields" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="attribute"> |
| <dt id="airflow.sensors.sql_sensor.SqlSensor.template_ext"> |
| <code class="sig-name descname">template_ext</code><em class="property"> :Iterable[str] = ['.hql', '.sql']</em><a class="reference internal" href="../../../../_modules/airflow/sensors/sql_sensor.html#SqlSensor.template_ext"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.sensors.sql_sensor.SqlSensor.template_ext" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="attribute"> |
| <dt id="airflow.sensors.sql_sensor.SqlSensor.ui_color"> |
| <code class="sig-name descname">ui_color</code><em class="property"> = #7c7287</em><a class="reference internal" href="../../../../_modules/airflow/sensors/sql_sensor.html#SqlSensor.ui_color"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.sensors.sql_sensor.SqlSensor.ui_color" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="airflow.sensors.sql_sensor.SqlSensor._get_hook"> |
| <code class="sig-name descname">_get_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/sensors/sql_sensor.html#SqlSensor._get_hook"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.sensors.sql_sensor.SqlSensor._get_hook" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="airflow.sensors.sql_sensor.SqlSensor.poke"> |
| <code class="sig-name descname">poke</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">context</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/sensors/sql_sensor.html#SqlSensor.poke"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.sensors.sql_sensor.SqlSensor.poke" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
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