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<div class="section" id="module-airflow.models.dagrun">
<span id="airflow-models-dagrun"></span><h1><a class="reference internal" href="#module-airflow.models.dagrun" title="airflow.models.dagrun"><code class="xref py py-mod docutils literal notranslate"><span class="pre">airflow.models.dagrun</span></code></a><a class="headerlink" href="#module-airflow.models.dagrun" 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.models.dagrun.DagRun">
<em class="property">class </em><code class="sig-prename descclassname">airflow.models.dagrun.</code><code class="sig-name descname">DagRun</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="../base/index.html#airflow.models.base.Base" title="airflow.models.base.Base"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.models.base.Base</span></code></a>, <code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.utils.log.logging_mixin.LoggingMixin</span></code></p>
<p>DagRun describes an instance of a Dag. It can be created
by the scheduler (for regular runs) or by an external trigger</p>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.__tablename__">
<code class="sig-name descname">__tablename__</code><em class="property"> = dag_run</em><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.__tablename__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.__tablename__" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.ID_PREFIX">
<code class="sig-name descname">ID_PREFIX</code><em class="property"> = scheduled__</em><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.ID_PREFIX"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.ID_PREFIX" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.ID_FORMAT_PREFIX">
<code class="sig-name descname">ID_FORMAT_PREFIX</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.ID_FORMAT_PREFIX"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.ID_FORMAT_PREFIX" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.id">
<code class="sig-name descname">id</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.id"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.id" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.dag_id">
<code class="sig-name descname">dag_id</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.dag_id"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.dag_id" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.execution_date">
<code class="sig-name descname">execution_date</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.execution_date"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.execution_date" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.start_date">
<code class="sig-name descname">start_date</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.start_date"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.start_date" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.end_date">
<code class="sig-name descname">end_date</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.end_date"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.end_date" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun._state">
<code class="sig-name descname">_state</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun._state"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun._state" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.run_id">
<code class="sig-name descname">run_id</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.run_id"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.run_id" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.external_trigger">
<code class="sig-name descname">external_trigger</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.external_trigger"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.external_trigger" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.conf">
<code class="sig-name descname">conf</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.conf"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.conf" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.dag">
<code class="sig-name descname">dag</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.dag"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.dag" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.__table_args__">
<code class="sig-name descname">__table_args__</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.__table_args__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.__table_args__" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.state">
<code class="sig-name descname">state</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.state"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.state" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="airflow.models.dagrun.DagRun.is_backfill">
<code class="sig-name descname">is_backfill</code><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.is_backfill"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.is_backfill" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.__repr__">
<code class="sig-name descname">__repr__</code><span class="sig-paren">(</span><em class="sig-param">self</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.__repr__"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.__repr__" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.get_state">
<code class="sig-name descname">get_state</code><span class="sig-paren">(</span><em class="sig-param">self</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.get_state"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.get_state" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.set_state">
<code class="sig-name descname">set_state</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">state</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.set_state"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.set_state" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.id_for_date">
<em class="property">classmethod </em><code class="sig-name descname">id_for_date</code><span class="sig-paren">(</span><em class="sig-param">cls</em>, <em class="sig-param">date</em>, <em class="sig-param">prefix=ID_FORMAT_PREFIX</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.id_for_date"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.id_for_date" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.refresh_from_db">
<code class="sig-name descname">refresh_from_db</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">session=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.refresh_from_db"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.refresh_from_db" title="Permalink to this definition"></a></dt>
<dd><p>Reloads the current dagrun from the database
:param session: database session</p>
</dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.find">
<em class="property">static </em><code class="sig-name descname">find</code><span class="sig-paren">(</span><em class="sig-param">dag_id=None</em>, <em class="sig-param">run_id=None</em>, <em class="sig-param">execution_date=None</em>, <em class="sig-param">state=None</em>, <em class="sig-param">external_trigger=None</em>, <em class="sig-param">no_backfills=False</em>, <em class="sig-param">session=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.find"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.find" title="Permalink to this definition"></a></dt>
<dd><p>Returns a set of dag runs for the given search criteria.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>dag_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.7)"><em>int</em></a><em>, </em><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#list" title="(in Python v3.7)"><em>list</em></a>) – the dag_id to find dag runs for</p></li>
<li><p><strong>run_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – defines the the run id for this dag run</p></li>
<li><p><strong>execution_date</strong> (<a class="reference external" href="https://docs.python.org/3/library/datetime.html#datetime.datetime" title="(in Python v3.7)"><em>datetime.datetime</em></a>) – the execution date</p></li>
<li><p><strong>state</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.7)"><em>str</em></a>) – the state of the dag run</p></li>
<li><p><strong>external_trigger</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.7)"><em>bool</em></a>) – whether this dag run is externally triggered</p></li>
<li><p><strong>no_backfills</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.7)"><em>bool</em></a>) – return no backfills (True), return all (False).
Defaults to False</p></li>
<li><p><strong>session</strong> (<a class="reference external" href="https://docs.sqlalchemy.org/en/13/orm/session_api.html#sqlalchemy.orm.session.Session" title="(in SQLAlchemy v1.3)"><em>sqlalchemy.orm.session.Session</em></a>) – database session</p></li>
</ul>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.get_task_instances">
<code class="sig-name descname">get_task_instances</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">state=None</em>, <em class="sig-param">session=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.get_task_instances"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.get_task_instances" title="Permalink to this definition"></a></dt>
<dd><p>Returns the task instances for this dag run</p>
</dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.get_task_instance">
<code class="sig-name descname">get_task_instance</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">task_id</em>, <em class="sig-param">session=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.get_task_instance"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.get_task_instance" title="Permalink to this definition"></a></dt>
<dd><p>Returns the task instance specified by task_id for this dag run</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><p><strong>task_id</strong> – the task id</p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.get_dag">
<code class="sig-name descname">get_dag</code><span class="sig-paren">(</span><em class="sig-param">self</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.get_dag"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.get_dag" title="Permalink to this definition"></a></dt>
<dd><p>Returns the Dag associated with this DagRun.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>DAG</p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.get_previous_dagrun">
<code class="sig-name descname">get_previous_dagrun</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">state=None</em>, <em class="sig-param">session=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.get_previous_dagrun"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.get_previous_dagrun" title="Permalink to this definition"></a></dt>
<dd><p>The previous DagRun, if there is one</p>
</dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.get_previous_scheduled_dagrun">
<code class="sig-name descname">get_previous_scheduled_dagrun</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">session=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.get_previous_scheduled_dagrun"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.get_previous_scheduled_dagrun" title="Permalink to this definition"></a></dt>
<dd><p>The previous, SCHEDULED DagRun, if there is one</p>
</dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.update_state">
<code class="sig-name descname">update_state</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">session=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.update_state"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.update_state" title="Permalink to this definition"></a></dt>
<dd><p>Determines the overall state of the DagRun based on the state
of its TaskInstances.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>State</p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun._emit_duration_stats_for_finished_state">
<code class="sig-name descname">_emit_duration_stats_for_finished_state</code><span class="sig-paren">(</span><em class="sig-param">self</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun._emit_duration_stats_for_finished_state"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun._emit_duration_stats_for_finished_state" title="Permalink to this definition"></a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.verify_integrity">
<code class="sig-name descname">verify_integrity</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">session=None</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.verify_integrity"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.verify_integrity" title="Permalink to this definition"></a></dt>
<dd><p>Verifies the DagRun by checking for removed tasks or tasks that are not in the
database yet. It will set state to removed or add the task if required.</p>
</dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.get_run">
<em class="property">static </em><code class="sig-name descname">get_run</code><span class="sig-paren">(</span><em class="sig-param">session</em>, <em class="sig-param">dag_id</em>, <em class="sig-param">execution_date</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.get_run"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.get_run" title="Permalink to this definition"></a></dt>
<dd><dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>dag_id</strong> (<em>unicode</em>) – DAG ID</p></li>
<li><p><strong>execution_date</strong> (<em>datetime</em>) – execution date</p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>DagRun corresponding to the given dag_id and execution date
if one exists. None otherwise.</p>
</dd>
<dt class="field-odd">Return type</dt>
<dd class="field-odd"><p><a class="reference internal" href="../index.html#airflow.models.DagRun" title="airflow.models.DagRun">airflow.models.DagRun</a></p>
</dd>
</dl>
</dd></dl>
<dl class="method">
<dt id="airflow.models.dagrun.DagRun.get_latest_runs">
<em class="property">classmethod </em><code class="sig-name descname">get_latest_runs</code><span class="sig-paren">(</span><em class="sig-param">cls</em>, <em class="sig-param">session</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/models/dagrun.html#DagRun.get_latest_runs"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.models.dagrun.DagRun.get_latest_runs" title="Permalink to this definition"></a></dt>
<dd><p>Returns the latest DagRun for each DAG.</p>
</dd></dl>
</dd></dl>
</div>
</div>
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