[17/51] [partial] incubator-airflow-site git commit: 1.10.0

[ka...@apache.org]

http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/blob/11437c14/_modules/airflow/hooks/S3_hook.html
----------------------------------------------------------------------
diff --git a/_modules/airflow/hooks/S3_hook.html b/_modules/airflow/hooks/S3_hook.html
index f1c0617..8aa4ecd 100644
--- a/_modules/airflow/hooks/S3_hook.html
+++ b/_modules/airflow/hooks/S3_hook.html
@@ -91,7 +91,7 @@
 <li class="toctree-l1"><a class="reference internal" href="../../../start.html">Quick Start</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../installation.html">Installation</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../tutorial.html">Tutorial</a></li>
-<li class="toctree-l1"><a class="reference internal" href="../../../configuration.html">Configuration</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../../howto/index.html">How-to Guides</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../ui.html">UI / Screenshots</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../concepts.html">Concepts</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../profiling.html">Data Profiling</a></li>
@@ -99,8 +99,10 @@
 <li class="toctree-l1"><a class="reference internal" href="../../../scheduler.html">Scheduling &amp; Triggers</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../plugins.html">Plugins</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../security.html">Security</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../../timezone.html">Time zones</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../api.html">Experimental Rest API</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../integration.html">Integration</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../../../lineage.html">Lineage</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../faq.html">FAQ</a></li>
 <li class="toctree-l1"><a class="reference internal" href="../../../code.html">API Reference</a></li>
 </ul>
@@ -169,17 +171,22 @@
   <h1>Source code for airflow.hooks.S3_hook</h1><div class="highlight"><pre>
 <span></span><span class="c1"># -*- coding: utf-8 -*-</span>
 <span class="c1">#</span>
-<span class="c1"># Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span>
-<span class="c1"># you may not use this file except in compliance with the License.</span>
-<span class="c1"># You may obtain a copy of the License at</span>
-<span class="c1">#</span>
-<span class="c1"># http://www.apache.org/licenses/LICENSE-2.0</span>
-<span class="c1">#</span>
-<span class="c1"># Unless required by applicable law or agreed to in writing, software</span>
-<span class="c1"># distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span>
-<span class="c1"># WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
-<span class="c1"># See the License for the specific language governing permissions and</span>
-<span class="c1"># limitations under the License.</span>
+<span class="c1"># Licensed to the Apache Software Foundation (ASF) under one</span>
+<span class="c1"># or more contributor license agreements.  See the NOTICE file</span>
+<span class="c1"># distributed with this work for additional information</span>
+<span class="c1"># regarding copyright ownership.  The ASF licenses this file</span>
+<span class="c1"># to you under the Apache License, Version 2.0 (the</span>
+<span class="c1"># &quot;License&quot;); you may not use this file except in compliance</span>
+<span class="c1"># with the License.  You may obtain a copy of the License at</span>
+<span class="c1"># </span>
+<span class="c1">#   http://www.apache.org/licenses/LICENSE-2.0</span>
+<span class="c1"># </span>
+<span class="c1"># Unless required by applicable law or agreed to in writing,</span>
+<span class="c1"># software distributed under the License is distributed on an</span>
+<span class="c1"># &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span>
+<span class="c1"># KIND, either express or implied.  See the License for the</span>
+<span class="c1"># specific language governing permissions and limitations</span>
+<span class="c1"># under the License.</span>
 
 <span class="kn">from</span> <span class="nn">airflow.exceptions</span> <span class="k">import</span> <span class="n">AirflowException</span>
 <span class="kn">from</span> <span class="nn">airflow.contrib.hooks.aws_hook</span> <span class="k">import</span> <span class="n">AwsHook</span>
@@ -201,13 +208,13 @@
     <span class="k">def</span> <span class="nf">parse_s3_url</span><span class="p">(</span><span class="n">s3url</span><span class="p">):</span>
         <span class="n">parsed_url</span> <span class="o">=</span> <span class="n">urlparse</span><span class="p">(</span><span class="n">s3url</span><span class="p">)</span>
         <span class="k">if</span> <span class="ow">not</span> <span class="n">parsed_url</span><span class="o">.</span><span class="n">netloc</span><span class="p">:</span>
-            <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">&#39;Please provide a bucket_name&#39;</span><span class="p">)</span>
+            <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s1">&#39;Please provide a bucket_name instead of &quot;</span><span class="si">%s</span><span class="s1">&quot;&#39;</span> <span class="o">%</span> <span class="n">s3url</span><span class="p">)</span>
         <span class="k">else</span><span class="p">:</span>
             <span class="n">bucket_name</span> <span class="o">=</span> <span class="n">parsed_url</span><span class="o">.</span><span class="n">netloc</span>
             <span class="n">key</span> <span class="o">=</span> <span class="n">parsed_url</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">strip</span><span class="p">(</span><span class="s1">&#39;/&#39;</span><span class="p">)</span>
             <span class="k">return</span> <span class="p">(</span><span class="n">bucket_name</span><span class="p">,</span> <span class="n">key</span><span class="p">)</span>
 
-    <span class="k">def</span> <span class="nf">check_for_bucket</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">):</span>
+<div class="viewcode-block" id="S3Hook.check_for_bucket"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.check_for_bucket">[docs]</a>    <span class="k">def</span> <span class="nf">check_for_bucket</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        Check if bucket_name exists.</span>
 
@@ -218,9 +225,9 @@
             <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">head_bucket</span><span class="p">(</span><span class="n">Bucket</span><span class="o">=</span><span class="n">bucket_name</span><span class="p">)</span>
             <span class="k">return</span> <span class="kc">True</span>
         <span class="k">except</span><span class="p">:</span>
-            <span class="k">return</span> <span class="kc">False</span>
+            <span class="k">return</span> <span class="kc">False</span></div>
 
-    <span class="k">def</span> <span class="nf">get_bucket</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">):</span>
+<div class="viewcode-block" id="S3Hook.get_bucket"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.get_bucket">[docs]</a>    <span class="k">def</span> <span class="nf">get_bucket</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        Returns a boto3.S3.Bucket object</span>
 
@@ -228,9 +235,9 @@
 <span class="sd">        :type bucket_name: str</span>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="n">s3</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_resource_type</span><span class="p">(</span><span class="s1">&#39;s3&#39;</span><span class="p">)</span>
-        <span class="k">return</span> <span class="n">s3</span><span class="o">.</span><span class="n">Bucket</span><span class="p">(</span><span class="n">bucket_name</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">s3</span><span class="o">.</span><span class="n">Bucket</span><span class="p">(</span><span class="n">bucket_name</span><span class="p">)</span></div>
 
-    <span class="k">def</span> <span class="nf">check_for_prefix</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">,</span> <span class="n">prefix</span><span class="p">,</span> <span class="n">delimiter</span><span class="p">):</span>
+<div class="viewcode-block" id="S3Hook.check_for_prefix"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.check_for_prefix">[docs]</a>    <span class="k">def</span> <span class="nf">check_for_prefix</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">,</span> <span class="n">prefix</span><span class="p">,</span> <span class="n">delimiter</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        Checks that a prefix exists in a bucket</span>
 <span class="sd">        &quot;&quot;&quot;</span>
@@ -238,9 +245,9 @@
         <span class="n">prefix_split</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="sa">r</span><span class="s1">&#39;(\w+[</span><span class="si">{d}</span><span class="s1">])$&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">d</span><span class="o">=</span><span class="n">delimiter</span><span class="p">),</span> <span class="n">prefix</span><span class="p">,</span> <span class="mi">1</span><span class="p">)</span>
         <span class="n">previous_level</span> <span class="o">=</span> <span class="n">prefix_split</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
         <span class="n">plist</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">list_prefixes</span><span class="p">(</span><span class="n">bucket_name</span><span class="p">,</span> <span class="n">previous_level</span><span class="p">,</span> <span class="n">delimiter</span><span class="p">)</span>
-        <span class="k">return</span> <span class="kc">False</span> <span class="k">if</span> <span class="n">plist</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">prefix</span> <span class="ow">in</span> <span class="n">plist</span>
+        <span class="k">return</span> <span class="kc">False</span> <span class="k">if</span> <span class="n">plist</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">prefix</span> <span class="ow">in</span> <span class="n">plist</span></div>
 
-    <span class="k">def</span> <span class="nf">list_prefixes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">,</span> <span class="n">delimiter</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">):</span>
+<div class="viewcode-block" id="S3Hook.list_prefixes"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.list_prefixes">[docs]</a>    <span class="k">def</span> <span class="nf">list_prefixes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">,</span> <span class="n">delimiter</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        Lists prefixes in a bucket under prefix</span>
 
@@ -251,12 +258,23 @@
 <span class="sd">        :param delimiter: the delimiter marks key hierarchy.</span>
 <span class="sd">        :type delimiter: str</span>
 <span class="sd">        &quot;&quot;&quot;</span>
-        <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">list_objects_v2</span><span class="p">(</span><span class="n">Bucket</span><span class="o">=</span><span class="n">bucket_name</span><span class="p">,</span> 
-                                                   <span class="n">Prefix</span><span class="o">=</span><span class="n">prefix</span><span class="p">,</span> 
-                                                   <span class="n">Delimiter</span><span class="o">=</span><span class="n">delimiter</span><span class="p">)</span>
-        <span class="k">return</span> <span class="p">[</span><span class="n">p</span><span class="p">[</span><span class="s1">&#39;Prefix&#39;</span><span class="p">]</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">response</span><span class="p">[</span><span class="s1">&#39;CommonPrefixes&#39;</span><span class="p">]]</span> <span class="k">if</span> <span class="n">response</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;CommonPrefixes&#39;</span><span class="p">)</span> <span class="k">else</span> <span class="kc">None</span>
-
-    <span class="k">def</span> <span class="nf">list_keys</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">,</span> <span class="n">delimiter</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">):</span>
+        <span class="n">paginator</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">get_paginator</span><span class="p">(</span><span class="s1">&#39;list_objects_v2&#39;</span><span class="p">)</span>
+        <span class="n">response</span> <span class="o">=</span> <span class="n">paginator</span><span class="o">.</span><span class="n">paginate</span><span class="p">(</span><span class="n">Bucket</span><span class="o">=</span><span class="n">bucket_name</span><span class="p">,</span>
+                                      <span class="n">Prefix</span><span class="o">=</span><span class="n">prefix</span><span class="p">,</span>
+                                      <span class="n">Delimiter</span><span class="o">=</span><span class="n">delimiter</span><span class="p">)</span>
+
+        <span class="n">has_results</span> <span class="o">=</span> <span class="kc">False</span>
+        <span class="n">prefixes</span> <span class="o">=</span> <span class="p">[]</span>
+        <span class="k">for</span> <span class="n">page</span> <span class="ow">in</span> <span class="n">response</span><span class="p">:</span>
+            <span class="k">if</span> <span class="s1">&#39;CommonPrefixes&#39;</span> <span class="ow">in</span> <span class="n">page</span><span class="p">:</span>
+                <span class="n">has_results</span> <span class="o">=</span> <span class="kc">True</span>
+                <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">page</span><span class="p">[</span><span class="s1">&#39;CommonPrefixes&#39;</span><span class="p">]:</span>
+                    <span class="n">prefixes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">p</span><span class="p">[</span><span class="s1">&#39;Prefix&#39;</span><span class="p">])</span>
+
+        <span class="k">if</span> <span class="n">has_results</span><span class="p">:</span>
+            <span class="k">return</span> <span class="n">prefixes</span></div>
+
+<div class="viewcode-block" id="S3Hook.list_keys"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.list_keys">[docs]</a>    <span class="k">def</span> <span class="nf">list_keys</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">,</span> <span class="n">delimiter</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        Lists keys in a bucket under prefix and not containing delimiter</span>
 
@@ -267,12 +285,23 @@
 <span class="sd">        :param delimiter: the delimiter marks key hierarchy.</span>
 <span class="sd">        :type delimiter: str</span>
 <span class="sd">        &quot;&quot;&quot;</span>
-        <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">list_objects_v2</span><span class="p">(</span><span class="n">Bucket</span><span class="o">=</span><span class="n">bucket_name</span><span class="p">,</span>
-                                                   <span class="n">Prefix</span><span class="o">=</span><span class="n">prefix</span><span class="p">,</span>
-                                                   <span class="n">Delimiter</span><span class="o">=</span><span class="n">delimiter</span><span class="p">)</span>
-        <span class="k">return</span> <span class="p">[</span><span class="n">k</span><span class="p">[</span><span class="s1">&#39;Key&#39;</span><span class="p">]</span> <span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">response</span><span class="p">[</span><span class="s1">&#39;Contents&#39;</span><span class="p">]]</span> <span class="k">if</span> <span class="n">response</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;Contents&#39;</span><span class="p">)</span> <span class="k">else</span> <span class="kc">None</span>
-
-    <span class="k">def</span> <span class="nf">check_for_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="n">paginator</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">get_paginator</span><span class="p">(</span><span class="s1">&#39;list_objects_v2&#39;</span><span class="p">)</span>
+        <span class="n">response</span> <span class="o">=</span> <span class="n">paginator</span><span class="o">.</span><span class="n">paginate</span><span class="p">(</span><span class="n">Bucket</span><span class="o">=</span><span class="n">bucket_name</span><span class="p">,</span>
+                                      <span class="n">Prefix</span><span class="o">=</span><span class="n">prefix</span><span class="p">,</span>
+                                      <span class="n">Delimiter</span><span class="o">=</span><span class="n">delimiter</span><span class="p">)</span>
+
+        <span class="n">has_results</span> <span class="o">=</span> <span class="kc">False</span>
+        <span class="n">keys</span> <span class="o">=</span> <span class="p">[]</span>
+        <span class="k">for</span> <span class="n">page</span> <span class="ow">in</span> <span class="n">response</span><span class="p">:</span>
+            <span class="k">if</span> <span class="s1">&#39;Contents&#39;</span> <span class="ow">in</span> <span class="n">page</span><span class="p">:</span>
+                <span class="n">has_results</span> <span class="o">=</span> <span class="kc">True</span>
+                <span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">page</span><span class="p">[</span><span class="s1">&#39;Contents&#39;</span><span class="p">]:</span>
+                    <span class="n">keys</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">k</span><span class="p">[</span><span class="s1">&#39;Key&#39;</span><span class="p">])</span>
+
+        <span class="k">if</span> <span class="n">has_results</span><span class="p">:</span>
+            <span class="k">return</span> <span class="n">keys</span></div>
+
+<div class="viewcode-block" id="S3Hook.check_for_key"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.check_for_key">[docs]</a>    <span class="k">def</span> <span class="nf">check_for_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        Checks if a key exists in a bucket</span>
 
@@ -288,9 +317,9 @@
             <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">head_object</span><span class="p">(</span><span class="n">Bucket</span><span class="o">=</span><span class="n">bucket_name</span><span class="p">,</span> <span class="n">Key</span><span class="o">=</span><span class="n">key</span><span class="p">)</span>
             <span class="k">return</span> <span class="kc">True</span>
         <span class="k">except</span><span class="p">:</span>
-            <span class="k">return</span> <span class="kc">False</span>
+            <span class="k">return</span> <span class="kc">False</span></div>
 
-    <span class="k">def</span> <span class="nf">get_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+<div class="viewcode-block" id="S3Hook.get_key"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.get_key">[docs]</a>    <span class="k">def</span> <span class="nf">get_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        Returns a boto3.s3.Object</span>
 
@@ -304,9 +333,9 @@
 
         <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_resource_type</span><span class="p">(</span><span class="s1">&#39;s3&#39;</span><span class="p">)</span><span class="o">.</span><span class="n">Object</span><span class="p">(</span><span class="n">bucket_name</span><span class="p">,</span> <span class="n">key</span><span class="p">)</span>
         <span class="n">obj</span><span class="o">.</span><span class="n">load</span><span class="p">()</span>
-        <span class="k">return</span> <span class="n">obj</span>
+        <span class="k">return</span> <span class="n">obj</span></div>
 
-    <span class="k">def</span> <span class="nf">read_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+<div class="viewcode-block" id="S3Hook.read_key"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.read_key">[docs]</a>    <span class="k">def</span> <span class="nf">read_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        Reads a key from S3</span>
 
@@ -317,23 +346,65 @@
 <span class="sd">        &quot;&quot;&quot;</span>
 
         <span class="n">obj</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_key</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">)</span>
-        <span class="k">return</span> <span class="n">obj</span><span class="o">.</span><span class="n">get</span><span class="p">()[</span><span class="s1">&#39;Body&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">read</span><span class="p">()</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s1">&#39;utf-8&#39;</span><span class="p">)</span>
+        <span class="k">return</span> <span class="n">obj</span><span class="o">.</span><span class="n">get</span><span class="p">()[</span><span class="s1">&#39;Body&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">read</span><span class="p">()</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s1">&#39;utf-8&#39;</span><span class="p">)</span></div>
+
+<div class="viewcode-block" id="S3Hook.select_key"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.select_key">[docs]</a>    <span class="k">def</span> <span class="nf">select_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+                   <span class="n">expression</span><span class="o">=</span><span class="s1">&#39;SELECT * FROM S3Object&#39;</span><span class="p">,</span>
+                   <span class="n">expression_type</span><span class="o">=</span><span class="s1">&#39;SQL&#39;</span><span class="p">,</span>
+                   <span class="n">input_serialization</span><span class="o">=</span><span class="p">{</span><span class="s1">&#39;CSV&#39;</span><span class="p">:</span> <span class="p">{}},</span>
+                   <span class="n">output_serialization</span><span class="o">=</span><span class="p">{</span><span class="s1">&#39;CSV&#39;</span><span class="p">:</span> <span class="p">{}}):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        Reads a key with S3 Select.</span>
+
+<span class="sd">        :param key: S3 key that will point to the file</span>
+<span class="sd">        :type key: str</span>
+<span class="sd">        :param bucket_name: Name of the bucket in which the file is stored</span>
+<span class="sd">        :type bucket_name: str</span>
+<span class="sd">        :param expression: S3 Select expression</span>
+<span class="sd">        :type expression: str</span>
+<span class="sd">        :param expression_type: S3 Select expression type</span>
+<span class="sd">        :type expression_type: str</span>
+<span class="sd">        :param input_serialization: S3 Select input data serialization format</span>
+<span class="sd">        :type input_serialization: dict</span>
+<span class="sd">        :param output_serialization: S3 Select output data serialization format</span>
+<span class="sd">        :type output_serialization: dict</span>
+<span class="sd">        :return: retrieved subset of original data by S3 Select</span>
+<span class="sd">        :rtype: str</span>
+
+<span class="sd">        .. seealso::</span>
+<span class="sd">            For more details about S3 Select parameters:</span>
+<span class="sd">            http://boto3.readthedocs.io/en/latest/reference/services/s3.html#S3.Client.select_object_content</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">if</span> <span class="ow">not</span> <span class="n">bucket_name</span><span class="p">:</span>
+            <span class="p">(</span><span class="n">bucket_name</span><span class="p">,</span> <span class="n">key</span><span class="p">)</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_s3_url</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
+
+        <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">select_object_content</span><span class="p">(</span>
+            <span class="n">Bucket</span><span class="o">=</span><span class="n">bucket_name</span><span class="p">,</span>
+            <span class="n">Key</span><span class="o">=</span><span class="n">key</span><span class="p">,</span>
+            <span class="n">Expression</span><span class="o">=</span><span class="n">expression</span><span class="p">,</span>
+            <span class="n">ExpressionType</span><span class="o">=</span><span class="n">expression_type</span><span class="p">,</span>
+            <span class="n">InputSerialization</span><span class="o">=</span><span class="n">input_serialization</span><span class="p">,</span>
+            <span class="n">OutputSerialization</span><span class="o">=</span><span class="n">output_serialization</span><span class="p">)</span>
+
+        <span class="k">return</span> <span class="s1">&#39;&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">event</span><span class="p">[</span><span class="s1">&#39;Records&#39;</span><span class="p">][</span><span class="s1">&#39;Payload&#39;</span><span class="p">]</span>
+                       <span class="k">for</span> <span class="n">event</span> <span class="ow">in</span> <span class="n">response</span><span class="p">[</span><span class="s1">&#39;Payload&#39;</span><span class="p">]</span>
+                       <span class="k">if</span> <span class="s1">&#39;Records&#39;</span> <span class="ow">in</span> <span class="n">event</span><span class="p">)</span></div>
 
-    <span class="k">def</span> <span class="nf">check_for_wildcard_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span>
+<div class="viewcode-block" id="S3Hook.check_for_wildcard_key"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.check_for_wildcard_key">[docs]</a>    <span class="k">def</span> <span class="nf">check_for_wildcard_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span>
                                <span class="n">wildcard_key</span><span class="p">,</span> <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">delimiter</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">        Checks that a key matching a wildcard expression exists in a bucket</span>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_wildcard_key</span><span class="p">(</span><span class="n">wildcard_key</span><span class="o">=</span><span class="n">wildcard_key</span><span class="p">,</span>
                                      <span class="n">bucket_name</span><span class="o">=</span><span class="n">bucket_name</span><span class="p">,</span>
-                                     <span class="n">delimiter</span><span class="o">=</span><span class="n">delimiter</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span>
+                                     <span class="n">delimiter</span><span class="o">=</span><span class="n">delimiter</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span></div>
 
-    <span class="k">def</span> <span class="nf">get_wildcard_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">wildcard_key</span><span class="p">,</span> <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">delimiter</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">):</span>
+<div class="viewcode-block" id="S3Hook.get_wildcard_key"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.get_wildcard_key">[docs]</a>    <span class="k">def</span> <span class="nf">get_wildcard_key</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">wildcard_key</span><span class="p">,</span> <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">delimiter</span><span class="o">=</span><span class="s1">&#39;&#39;</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;</span>
-<span class="sd">        Returns a boto3.s3.Object object matching the regular expression</span>
+<span class="sd">        Returns a boto3.s3.Object object matching the wildcard expression</span>
 
-<span class="sd">        :param regex_key: the path to the key</span>
-<span class="sd">        :type regex_key: str</span>
+<span class="sd">        :param wildcard_key: the path to the key</span>
+<span class="sd">        :type wildcard_key: str</span>
 <span class="sd">        :param bucket_name: the name of the bucket</span>
 <span class="sd">        :type bucket_name: str</span>
 <span class="sd">        &quot;&quot;&quot;</span>
@@ -345,9 +416,9 @@
         <span class="k">if</span> <span class="n">klist</span><span class="p">:</span>
             <span class="n">key_matches</span> <span class="o">=</span> <span class="p">[</span><span class="n">k</span> <span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="n">klist</span> <span class="k">if</span> <span class="n">fnmatch</span><span class="o">.</span><span class="n">fnmatch</span><span class="p">(</span><span class="n">k</span><span class="p">,</span> <span class="n">wildcard_key</span><span class="p">)]</span>
             <span class="k">if</span> <span class="n">key_matches</span><span class="p">:</span>
-                <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_key</span><span class="p">(</span><span class="n">key_matches</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">bucket_name</span><span class="p">)</span>
+                <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_key</span><span class="p">(</span><span class="n">key_matches</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">bucket_name</span><span class="p">)</span></div>
 
-    <span class="k">def</span> <span class="nf">load_file</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span>
+<div class="viewcode-block" id="S3Hook.load_file"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.load_file">[docs]</a>    <span class="k">def</span> <span class="nf">load_file</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span>
                   <span class="n">filename</span><span class="p">,</span>
                   <span class="n">key</span><span class="p">,</span>
                   <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
@@ -381,9 +452,9 @@
             <span class="n">extra_args</span><span class="p">[</span><span class="s1">&#39;ServerSideEncryption&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;AES256&quot;</span>
 
         <span class="n">client</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span>
-        <span class="n">client</span><span class="o">.</span><span class="n">upload_file</span><span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">ExtraArgs</span><span class="o">=</span><span class="n">extra_args</span><span class="p">)</span>
+        <span class="n">client</span><span class="o">.</span><span class="n">upload_file</span><span class="p">(</span><span class="n">filename</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">ExtraArgs</span><span class="o">=</span><span class="n">extra_args</span><span class="p">)</span></div>
 
-    <span class="k">def</span> <span class="nf">load_string</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> 
+<div class="viewcode-block" id="S3Hook.load_string"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.load_string">[docs]</a>    <span class="k">def</span> <span class="nf">load_string</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> 
                     <span class="n">string_data</span><span class="p">,</span>
                     <span class="n">key</span><span class="p">,</span> 
                     <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
@@ -409,6 +480,37 @@
 <span class="sd">            by S3 and will be stored in an encrypted form while at rest in S3.</span>
 <span class="sd">        :type encrypt: bool</span>
 <span class="sd">        &quot;&quot;&quot;</span>
+        <span class="bp">self</span><span class="o">.</span><span class="n">load_bytes</span><span class="p">(</span><span class="n">string_data</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="n">encoding</span><span class="p">),</span>
+                        <span class="n">key</span><span class="o">=</span><span class="n">key</span><span class="p">,</span>
+                        <span class="n">bucket_name</span><span class="o">=</span><span class="n">bucket_name</span><span class="p">,</span>
+                        <span class="n">replace</span><span class="o">=</span><span class="n">replace</span><span class="p">,</span>
+                        <span class="n">encrypt</span><span class="o">=</span><span class="n">encrypt</span><span class="p">)</span></div>
+
+<div class="viewcode-block" id="S3Hook.load_bytes"><a class="viewcode-back" href="../../../integration.html#airflow.hooks.S3_hook.S3Hook.load_bytes">[docs]</a>    <span class="k">def</span> <span class="nf">load_bytes</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span>
+                   <span class="n">bytes_data</span><span class="p">,</span>
+                   <span class="n">key</span><span class="p">,</span>
+                   <span class="n">bucket_name</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
+                   <span class="n">replace</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
+                   <span class="n">encrypt</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        Loads bytes to S3</span>
+
+<span class="sd">        This is provided as a convenience to drop a string in S3. It uses the</span>
+<span class="sd">        boto infrastructure to ship a file to s3.</span>
+
+<span class="sd">        :param bytes_data: bytes to set as content for the key.</span>
+<span class="sd">        :type bytes_data: bytes</span>
+<span class="sd">        :param key: S3 key that will point to the file</span>
+<span class="sd">        :type key: str</span>
+<span class="sd">        :param bucket_name: Name of the bucket in which to store the file</span>
+<span class="sd">        :type bucket_name: str</span>
+<span class="sd">        :param replace: A flag to decide whether or not to overwrite the key</span>
+<span class="sd">            if it already exists</span>
+<span class="sd">        :type replace: bool</span>
+<span class="sd">        :param encrypt: If True, the file will be encrypted on the server-side</span>
+<span class="sd">            by S3 and will be stored in an encrypted form while at rest in S3.</span>
+<span class="sd">        :type encrypt: bool</span>
+<span class="sd">        &quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="ow">not</span> <span class="n">bucket_name</span><span class="p">:</span>
             <span class="p">(</span><span class="n">bucket_name</span><span class="p">,</span> <span class="n">key</span><span class="p">)</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parse_s3_url</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
         
@@ -419,10 +521,10 @@
         <span class="k">if</span> <span class="n">encrypt</span><span class="p">:</span>
             <span class="n">extra_args</span><span class="p">[</span><span class="s1">&#39;ServerSideEncryption&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s2">&quot;AES256&quot;</span>
         
-        <span class="n">filelike_buffer</span> <span class="o">=</span> <span class="n">BytesIO</span><span class="p">(</span><span class="n">string_data</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="n">encoding</span><span class="p">))</span>
+        <span class="n">filelike_buffer</span> <span class="o">=</span> <span class="n">BytesIO</span><span class="p">(</span><span class="n">bytes_data</span><span class="p">)</span>
         
         <span class="n">client</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span>
-        <span class="n">client</span><span class="o">.</span><span class="n">upload_fileobj</span><span class="p">(</span><span class="n">filelike_buffer</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">ExtraArgs</span><span class="o">=</span><span class="n">extra_args</span><span class="p">)</span></div>
+        <span class="n">client</span><span class="o">.</span><span class="n">upload_fileobj</span><span class="p">(</span><span class="n">filelike_buffer</span><span class="p">,</span> <span class="n">bucket_name</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">ExtraArgs</span><span class="o">=</span><span class="n">extra_args</span><span class="p">)</span></div></div>
 </pre></div>
 
            </div>

http://git-wip-us.apache.org/repos/asf/incubator-airflow-site/blob/11437c14/_modules/airflow/hooks/dbapi_hook.html
----------------------------------------------------------------------
diff --git a/_modules/airflow/hooks/dbapi_hook.html b/_modules/airflow/hooks/dbapi_hook.html
new file mode 100644
index 0000000..b8b8403
--- /dev/null
+++ b/_modules/airflow/hooks/dbapi_hook.html
@@ -0,0 +1,515 @@
+
+
+<!DOCTYPE html>
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
+<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
+<head>
+  <meta charset="utf-8">
+  
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  
+  <title>airflow.hooks.dbapi_hook &mdash; Airflow Documentation</title>
+  
+
+  
+  
+  
+  
+
+  
+
+  
+  
+    
+
+  
+
+  
+  
+    <link rel="stylesheet" href="../../../_static/css/theme.css" type="text/css" />
+  
+
+  
+
+  
+        <link rel="index" title="Index"
+              href="../../../genindex.html"/>
+        <link rel="search" title="Search" href="../../../search.html"/>
+    <link rel="top" title="Airflow Documentation" href="../../../index.html"/>
+        <link rel="up" title="Module code" href="../../index.html"/> 
+
+  
+  <script src="../../../_static/js/modernizr.min.js"></script>
+
+</head>
+
+<body class="wy-body-for-nav" role="document">
+
+   
+  <div class="wy-grid-for-nav">
+
+    
+    <nav data-toggle="wy-nav-shift" class="wy-nav-side">
+      <div class="wy-side-scroll">
+        <div class="wy-side-nav-search">
+          
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+      <li>airflow.hooks.dbapi_hook</li>
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+  <h1>Source code for airflow.hooks.dbapi_hook</h1><div class="highlight"><pre>
+<span></span><span class="c1"># -*- coding: utf-8 -*-</span>
+<span class="c1">#</span>
+<span class="c1"># Licensed to the Apache Software Foundation (ASF) under one</span>
+<span class="c1"># or more contributor license agreements.  See the NOTICE file</span>
+<span class="c1"># distributed with this work for additional information</span>
+<span class="c1"># regarding copyright ownership.  The ASF licenses this file</span>
+<span class="c1"># to you under the Apache License, Version 2.0 (the</span>
+<span class="c1"># &quot;License&quot;); you may not use this file except in compliance</span>
+<span class="c1"># with the License.  You may obtain a copy of the License at</span>
+<span class="c1">#</span>
+<span class="c1">#   http://www.apache.org/licenses/LICENSE-2.0</span>
+<span class="c1">#</span>
+<span class="c1"># Unless required by applicable law or agreed to in writing,</span>
+<span class="c1"># software distributed under the License is distributed on an</span>
+<span class="c1"># &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span>
+<span class="c1"># KIND, either express or implied.  See the License for the</span>
+<span class="c1"># specific language governing permissions and limitations</span>
+<span class="c1"># under the License.</span>
+
+<span class="kn">from</span> <span class="nn">builtins</span> <span class="k">import</span> <span class="nb">str</span>
+<span class="kn">from</span> <span class="nn">past.builtins</span> <span class="k">import</span> <span class="n">basestring</span>
+<span class="kn">from</span> <span class="nn">datetime</span> <span class="k">import</span> <span class="n">datetime</span>
+<span class="kn">from</span> <span class="nn">contextlib</span> <span class="k">import</span> <span class="n">closing</span>
+<span class="kn">import</span> <span class="nn">sys</span>
+
+<span class="kn">from</span> <span class="nn">sqlalchemy</span> <span class="k">import</span> <span class="n">create_engine</span>
+
+<span class="kn">from</span> <span class="nn">airflow.hooks.base_hook</span> <span class="k">import</span> <span class="n">BaseHook</span>
+<span class="kn">from</span> <span class="nn">airflow.exceptions</span> <span class="k">import</span> <span class="n">AirflowException</span>
+
+
+<div class="viewcode-block" id="DbApiHook"><a class="viewcode-back" href="../../../code.html#airflow.hooks.dbapi_hook.DbApiHook">[docs]</a><span class="k">class</span> <span class="nc">DbApiHook</span><span class="p">(</span><span class="n">BaseHook</span><span class="p">):</span>
+    <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">    Abstract base class for sql hooks.</span>
+<span class="sd">    &quot;&quot;&quot;</span>
+    <span class="c1"># Override to provide the connection name.</span>
+    <span class="n">conn_name_attr</span> <span class="o">=</span> <span class="kc">None</span>
+    <span class="c1"># Override to have a default connection id for a particular dbHook</span>
+    <span class="n">default_conn_name</span> <span class="o">=</span> <span class="s1">&#39;default_conn_id&#39;</span>
+    <span class="c1"># Override if this db supports autocommit.</span>
+    <span class="n">supports_autocommit</span> <span class="o">=</span> <span class="kc">False</span>
+    <span class="c1"># Override with the object that exposes the connect method</span>
+    <span class="n">connector</span> <span class="o">=</span> <span class="kc">None</span>
+
+    <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
+        <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">conn_name_attr</span><span class="p">:</span>
+            <span class="k">raise</span> <span class="n">AirflowException</span><span class="p">(</span><span class="s2">&quot;conn_name_attr is not defined&quot;</span><span class="p">)</span>
+        <span class="k">elif</span> <span class="nb">len</span><span class="p">(</span><span class="n">args</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
+            <span class="nb">setattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">conn_name_attr</span><span class="p">,</span> <span class="n">args</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
+        <span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">conn_name_attr</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">kwargs</span><span class="p">:</span>
+            <span class="nb">setattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">conn_name_attr</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">default_conn_name</span><span class="p">)</span>
+        <span class="k">else</span><span class="p">:</span>
+            <span class="nb">setattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">conn_name_attr</span><span class="p">,</span> <span class="n">kwargs</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">conn_name_attr</span><span class="p">])</span>
+
+<div class="viewcode-block" id="DbApiHook.get_conn"><a class="viewcode-back" href="../../../code.html#airflow.hooks.dbapi_hook.DbApiHook.get_conn">[docs]</a>    <span class="k">def</span> <span class="nf">get_conn</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;Returns a connection object</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+        <span class="n">db</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_connection</span><span class="p">(</span><span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">conn_name_attr</span><span class="p">))</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">connector</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span>
+            <span class="n">host</span><span class="o">=</span><span class="n">db</span><span class="o">.</span><span class="n">host</span><span class="p">,</span>
+            <span class="n">port</span><span class="o">=</span><span class="n">db</span><span class="o">.</span><span class="n">port</span><span class="p">,</span>
+            <span class="n">username</span><span class="o">=</span><span class="n">db</span><span class="o">.</span><span class="n">login</span><span class="p">,</span>
+            <span class="n">schema</span><span class="o">=</span><span class="n">db</span><span class="o">.</span><span class="n">schema</span><span class="p">)</span></div>
+
+    <span class="k">def</span> <span class="nf">get_uri</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="n">conn</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_connection</span><span class="p">(</span><span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">conn_name_attr</span><span class="p">))</span>
+        <span class="n">login</span> <span class="o">=</span> <span class="s1">&#39;&#39;</span>
+        <span class="k">if</span> <span class="n">conn</span><span class="o">.</span><span class="n">login</span><span class="p">:</span>
+            <span class="n">login</span> <span class="o">=</span> <span class="s1">&#39;</span><span class="si">{conn.login}</span><span class="s1">:</span><span class="si">{conn.password}</span><span class="s1">@&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">conn</span><span class="o">=</span><span class="n">conn</span><span class="p">)</span>
+        <span class="n">host</span> <span class="o">=</span> <span class="n">conn</span><span class="o">.</span><span class="n">host</span>
+        <span class="k">if</span> <span class="n">conn</span><span class="o">.</span><span class="n">port</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
+            <span class="n">host</span> <span class="o">+=</span> <span class="s1">&#39;:</span><span class="si">{port}</span><span class="s1">&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">port</span><span class="o">=</span><span class="n">conn</span><span class="o">.</span><span class="n">port</span><span class="p">)</span>
+        <span class="k">return</span> <span class="s1">&#39;</span><span class="si">{conn.conn_type}</span><span class="s1">://</span><span class="si">{login}{host}</span><span class="s1">/</span><span class="si">{conn.schema}</span><span class="s1">&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
+            <span class="n">conn</span><span class="o">=</span><span class="n">conn</span><span class="p">,</span> <span class="n">login</span><span class="o">=</span><span class="n">login</span><span class="p">,</span> <span class="n">host</span><span class="o">=</span><span class="n">host</span><span class="p">)</span>
+
+    <span class="k">def</span> <span class="nf">get_sqlalchemy_engine</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">engine_kwargs</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="k">if</span> <span class="n">engine_kwargs</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
+            <span class="n">engine_kwargs</span> <span class="o">=</span> <span class="p">{}</span>
+        <span class="k">return</span> <span class="n">create_engine</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">get_uri</span><span class="p">(),</span> <span class="o">**</span><span class="n">engine_kwargs</span><span class="p">)</span>
+
+<div class="viewcode-block" id="DbApiHook.get_pandas_df"><a class="viewcode-back" href="../../../code.html#airflow.hooks.dbapi_hook.DbApiHook.get_pandas_df">[docs]</a>    <span class="k">def</span> <span class="nf">get_pandas_df</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">,</span> <span class="n">parameters</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        Executes the sql and returns a pandas dataframe</span>
+
+<span class="sd">        :param sql: the sql statement to be executed (str) or a list of</span>
+<span class="sd">            sql statements to execute</span>
+<span class="sd">        :type sql: str or list</span>
+<span class="sd">        :param parameters: The parameters to render the SQL query with.</span>
+<span class="sd">        :type parameters: mapping or iterable</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">if</span> <span class="n">sys</span><span class="o">.</span><span class="n">version_info</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">&lt;</span> <span class="mi">3</span><span class="p">:</span>
+            <span class="n">sql</span> <span class="o">=</span> <span class="n">sql</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s1">&#39;utf-8&#39;</span><span class="p">)</span>
+        <span class="kn">import</span> <span class="nn">pandas.io.sql</span> <span class="k">as</span> <span class="nn">psql</span>
+
+        <span class="k">with</span> <span class="n">closing</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">())</span> <span class="k">as</span> <span class="n">conn</span><span class="p">:</span>
+            <span class="k">return</span> <span class="n">psql</span><span class="o">.</span><span class="n">read_sql</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">con</span><span class="o">=</span><span class="n">conn</span><span class="p">,</span> <span class="n">params</span><span class="o">=</span><span class="n">parameters</span><span class="p">)</span></div>
+
+<div class="viewcode-block" id="DbApiHook.get_records"><a class="viewcode-back" href="../../../code.html#airflow.hooks.dbapi_hook.DbApiHook.get_records">[docs]</a>    <span class="k">def</span> <span class="nf">get_records</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">,</span> <span class="n">parameters</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        Executes the sql and returns a set of records.</span>
+
+<span class="sd">        :param sql: the sql statement to be executed (str) or a list of</span>
+<span class="sd">            sql statements to execute</span>
+<span class="sd">        :type sql: str or list</span>
+<span class="sd">        :param parameters: The parameters to render the SQL query with.</span>
+<span class="sd">        :type parameters: mapping or iterable</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">if</span> <span class="n">sys</span><span class="o">.</span><span class="n">version_info</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">&lt;</span> <span class="mi">3</span><span class="p">:</span>
+            <span class="n">sql</span> <span class="o">=</span> <span class="n">sql</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s1">&#39;utf-8&#39;</span><span class="p">)</span>
+
+        <span class="k">with</span> <span class="n">closing</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">())</span> <span class="k">as</span> <span class="n">conn</span><span class="p">:</span>
+            <span class="k">with</span> <span class="n">closing</span><span class="p">(</span><span class="n">conn</span><span class="o">.</span><span class="n">cursor</span><span class="p">())</span> <span class="k">as</span> <span class="n">cur</span><span class="p">:</span>
+                <span class="k">if</span> <span class="n">parameters</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
+                    <span class="n">cur</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">parameters</span><span class="p">)</span>
+                <span class="k">else</span><span class="p">:</span>
+                    <span class="n">cur</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span>
+                <span class="k">return</span> <span class="n">cur</span><span class="o">.</span><span class="n">fetchall</span><span class="p">()</span></div>
+
+<div class="viewcode-block" id="DbApiHook.get_first"><a class="viewcode-back" href="../../../code.html#airflow.hooks.dbapi_hook.DbApiHook.get_first">[docs]</a>    <span class="k">def</span> <span class="nf">get_first</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">,</span> <span class="n">parameters</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        Executes the sql and returns the first resulting row.</span>
+
+<span class="sd">        :param sql: the sql statement to be executed (str) or a list of</span>
+<span class="sd">            sql statements to execute</span>
+<span class="sd">        :type sql: str or list</span>
+<span class="sd">        :param parameters: The parameters to render the SQL query with.</span>
+<span class="sd">        :type parameters: mapping or iterable</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">if</span> <span class="n">sys</span><span class="o">.</span><span class="n">version_info</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">&lt;</span> <span class="mi">3</span><span class="p">:</span>
+            <span class="n">sql</span> <span class="o">=</span> <span class="n">sql</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s1">&#39;utf-8&#39;</span><span class="p">)</span>
+
+        <span class="k">with</span> <span class="n">closing</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">())</span> <span class="k">as</span> <span class="n">conn</span><span class="p">:</span>
+            <span class="k">with</span> <span class="n">closing</span><span class="p">(</span><span class="n">conn</span><span class="o">.</span><span class="n">cursor</span><span class="p">())</span> <span class="k">as</span> <span class="n">cur</span><span class="p">:</span>
+                <span class="k">if</span> <span class="n">parameters</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
+                    <span class="n">cur</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">parameters</span><span class="p">)</span>
+                <span class="k">else</span><span class="p">:</span>
+                    <span class="n">cur</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">sql</span><span class="p">)</span>
+                <span class="k">return</span> <span class="n">cur</span><span class="o">.</span><span class="n">fetchone</span><span class="p">()</span></div>
+
+<div class="viewcode-block" id="DbApiHook.run"><a class="viewcode-back" href="../../../code.html#airflow.hooks.dbapi_hook.DbApiHook.run">[docs]</a>    <span class="k">def</span> <span class="nf">run</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sql</span><span class="p">,</span> <span class="n">autocommit</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">parameters</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        Runs a command or a list of commands. Pass a list of sql</span>
+<span class="sd">        statements to the sql parameter to get them to execute</span>
+<span class="sd">        sequentially</span>
+
+<span class="sd">        :param sql: the sql statement to be executed (str) or a list of</span>
+<span class="sd">            sql statements to execute</span>
+<span class="sd">        :type sql: str or list</span>
+<span class="sd">        :param autocommit: What to set the connection&#39;s autocommit setting to</span>
+<span class="sd">            before executing the query.</span>
+<span class="sd">        :type autocommit: bool</span>
+<span class="sd">        :param parameters: The parameters to render the SQL query with.</span>
+<span class="sd">        :type parameters: mapping or iterable</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">basestring</span><span class="p">):</span>
+            <span class="n">sql</span> <span class="o">=</span> <span class="p">[</span><span class="n">sql</span><span class="p">]</span>
+
+        <span class="k">with</span> <span class="n">closing</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">())</span> <span class="k">as</span> <span class="n">conn</span><span class="p">:</span>
+            <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">supports_autocommit</span><span class="p">:</span>
+                <span class="bp">self</span><span class="o">.</span><span class="n">set_autocommit</span><span class="p">(</span><span class="n">conn</span><span class="p">,</span> <span class="n">autocommit</span><span class="p">)</span>
+
+            <span class="k">with</span> <span class="n">closing</span><span class="p">(</span><span class="n">conn</span><span class="o">.</span><span class="n">cursor</span><span class="p">())</span> <span class="k">as</span> <span class="n">cur</span><span class="p">:</span>
+                <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">sql</span><span class="p">:</span>
+                    <span class="k">if</span> <span class="n">sys</span><span class="o">.</span><span class="n">version_info</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">&lt;</span> <span class="mi">3</span><span class="p">:</span>
+                        <span class="n">s</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s1">&#39;utf-8&#39;</span><span class="p">)</span>
+                    <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="n">s</span><span class="p">)</span>
+                    <span class="k">if</span> <span class="n">parameters</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
+                        <span class="n">cur</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">parameters</span><span class="p">)</span>
+                    <span class="k">else</span><span class="p">:</span>
+                        <span class="n">cur</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">s</span><span class="p">)</span>
+
+            <span class="k">if</span> <span class="ow">not</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">conn</span><span class="p">,</span> <span class="s1">&#39;autocommit&#39;</span><span class="p">,</span> <span class="kc">False</span><span class="p">):</span>
+                <span class="n">conn</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span></div>
+
+<div class="viewcode-block" id="DbApiHook.set_autocommit"><a class="viewcode-back" href="../../../code.html#airflow.hooks.dbapi_hook.DbApiHook.set_autocommit">[docs]</a>    <span class="k">def</span> <span class="nf">set_autocommit</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">conn</span><span class="p">,</span> <span class="n">autocommit</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        Sets the autocommit flag on the connection</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">supports_autocommit</span> <span class="ow">and</span> <span class="n">autocommit</span><span class="p">:</span>
+            <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span>
+                <span class="p">(</span><span class="s2">&quot;</span><span class="si">%s</span><span class="s2"> connection doesn&#39;t support &quot;</span>
+                 <span class="s2">&quot;autocommit but autocommit activated.&quot;</span><span class="p">),</span>
+                <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">conn_name_attr</span><span class="p">))</span>
+        <span class="n">conn</span><span class="o">.</span><span class="n">autocommit</span> <span class="o">=</span> <span class="n">autocommit</span></div>
+
+<div class="viewcode-block" id="DbApiHook.get_cursor"><a class="viewcode-back" href="../../../code.html#airflow.hooks.dbapi_hook.DbApiHook.get_cursor">[docs]</a>    <span class="k">def</span> <span class="nf">get_cursor</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        Returns a cursor</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">()</span><span class="o">.</span><span class="n">cursor</span><span class="p">()</span></div>
+
+<div class="viewcode-block" id="DbApiHook.insert_rows"><a class="viewcode-back" href="../../../code.html#airflow.hooks.dbapi_hook.DbApiHook.insert_rows">[docs]</a>    <span class="k">def</span> <span class="nf">insert_rows</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">,</span> <span class="n">rows</span><span class="p">,</span> <span class="n">target_fields</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">commit_every</span><span class="o">=</span><span class="mi">1000</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        A generic way to insert a set of tuples into a table,</span>
+<span class="sd">        a new transaction is created every commit_every rows</span>
+
+<span class="sd">        :param table: Name of the target table</span>
+<span class="sd">        :type table: str</span>
+<span class="sd">        :param rows: The rows to insert into the table</span>
+<span class="sd">        :type rows: iterable of tuples</span>
+<span class="sd">        :param target_fields: The names of the columns to fill in the table</span>
+<span class="sd">        :type target_fields: iterable of strings</span>
+<span class="sd">        :param commit_every: The maximum number of rows to insert in one</span>
+<span class="sd">            transaction. Set to 0 to insert all rows in one transaction.</span>
+<span class="sd">        :type commit_every: int</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">if</span> <span class="n">target_fields</span><span class="p">:</span>
+            <span class="n">target_fields</span> <span class="o">=</span> <span class="s2">&quot;, &quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">target_fields</span><span class="p">)</span>
+            <span class="n">target_fields</span> <span class="o">=</span> <span class="s2">&quot;(</span><span class="si">{}</span><span class="s2">)&quot;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">target_fields</span><span class="p">)</span>
+        <span class="k">else</span><span class="p">:</span>
+            <span class="n">target_fields</span> <span class="o">=</span> <span class="s1">&#39;&#39;</span>
+        <span class="n">i</span> <span class="o">=</span> <span class="mi">0</span>
+        <span class="k">with</span> <span class="n">closing</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">get_conn</span><span class="p">())</span> <span class="k">as</span> <span class="n">conn</span><span class="p">:</span>
+            <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">supports_autocommit</span><span class="p">:</span>
+                <span class="bp">self</span><span class="o">.</span><span class="n">set_autocommit</span><span class="p">(</span><span class="n">conn</span><span class="p">,</span> <span class="kc">False</span><span class="p">)</span>
+
+            <span class="n">conn</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
+
+            <span class="k">with</span> <span class="n">closing</span><span class="p">(</span><span class="n">conn</span><span class="o">.</span><span class="n">cursor</span><span class="p">())</span> <span class="k">as</span> <span class="n">cur</span><span class="p">:</span>
+                <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">row</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">rows</span><span class="p">,</span> <span class="mi">1</span><span class="p">):</span>
+                    <span class="n">l</span> <span class="o">=</span> <span class="p">[]</span>
+                    <span class="k">for</span> <span class="n">cell</span> <span class="ow">in</span> <span class="n">row</span><span class="p">:</span>
+                        <span class="n">l</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_serialize_cell</span><span class="p">(</span><span class="n">cell</span><span class="p">,</span> <span class="n">conn</span><span class="p">))</span>
+                    <span class="n">values</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">l</span><span class="p">)</span>
+                    <span class="n">placeholders</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;</span><span class="si">%s</span><span class="s2">&quot;</span><span class="p">,</span> <span class="p">]</span> <span class="o">*</span> <span class="nb">len</span><span class="p">(</span><span class="n">values</span><span class="p">)</span>
+                    <span class="n">sql</span> <span class="o">=</span> <span class="s2">&quot;INSERT INTO </span><span class="si">{0}</span><span class="s2"> </span><span class="si">{1}</span><span class="s2"> VALUES (</span><span class="si">{2}</span><span class="s2">)&quot;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
+                        <span class="n">table</span><span class="p">,</span>
+                        <span class="n">target_fields</span><span class="p">,</span>
+                        <span class="s2">&quot;,&quot;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">placeholders</span><span class="p">))</span>
+                    <span class="n">cur</span><span class="o">.</span><span class="n">execute</span><span class="p">(</span><span class="n">sql</span><span class="p">,</span> <span class="n">values</span><span class="p">)</span>
+                    <span class="k">if</span> <span class="n">commit_every</span> <span class="ow">and</span> <span class="n">i</span> <span class="o">%</span> <span class="n">commit_every</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
+                        <span class="n">conn</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
+                        <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span>
+                            <span class="s2">&quot;Loaded </span><span class="si">{i}</span><span class="s2"> into </span><span class="si">{table}</span><span class="s2"> rows so far&quot;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="o">**</span><span class="nb">locals</span><span class="p">())</span>
+                        <span class="p">)</span>
+
+            <span class="n">conn</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
+        <span class="bp">self</span><span class="o">.</span><span class="n">log</span><span class="o">.</span><span class="n">info</span><span class="p">(</span>
+            <span class="s2">&quot;Done loading. Loaded a total of </span><span class="si">{i}</span><span class="s2"> rows&quot;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="o">**</span><span class="nb">locals</span><span class="p">()))</span></div>
+
+    <span class="nd">@staticmethod</span>
+    <span class="k">def</span> <span class="nf">_serialize_cell</span><span class="p">(</span><span class="n">cell</span><span class="p">,</span> <span class="n">conn</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        Returns the SQL literal of the cell as a string.</span>
+
+<span class="sd">        :param cell: The cell to insert into the table</span>
+<span class="sd">        :type cell: object</span>
+<span class="sd">        :param conn: The database connection</span>
+<span class="sd">        :type conn: connection object</span>
+<span class="sd">        :return: The serialized cell</span>
+<span class="sd">        :rtype: str</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+
+        <span class="k">if</span> <span class="n">cell</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
+            <span class="k">return</span> <span class="kc">None</span>
+        <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">cell</span><span class="p">,</span> <span class="n">datetime</span><span class="p">):</span>
+            <span class="k">return</span> <span class="n">cell</span><span class="o">.</span><span class="n">isoformat</span><span class="p">()</span>
+        <span class="k">return</span> <span class="nb">str</span><span class="p">(</span><span class="n">cell</span><span class="p">)</span>
+
+<div class="viewcode-block" id="DbApiHook.bulk_dump"><a class="viewcode-back" href="../../../code.html#airflow.hooks.dbapi_hook.DbApiHook.bulk_dump">[docs]</a>    <span class="k">def</span> <span class="nf">bulk_dump</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">,</span> <span class="n">tmp_file</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        Dumps a database table into a tab-delimited file</span>
+
+<span class="sd">        :param table: The name of the source table</span>
+<span class="sd">        :type table: str</span>
+<span class="sd">        :param tmp_file: The path of the target file</span>
+<span class="sd">        :type tmp_file: str</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">()</span></div>
+
+<div class="viewcode-block" id="DbApiHook.bulk_load"><a class="viewcode-back" href="../../../code.html#airflow.hooks.dbapi_hook.DbApiHook.bulk_load">[docs]</a>    <span class="k">def</span> <span class="nf">bulk_load</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">,</span> <span class="n">tmp_file</span><span class="p">):</span>
+        <span class="sd">&quot;&quot;&quot;</span>
+<span class="sd">        Loads a tab-delimited file into a database table</span>
+
+<span class="sd">        :param table: The name of the target table</span>
+<span class="sd">        :type table: str</span>
+<span class="sd">        :param tmp_file: The path of the file to load into the table</span>
+<span class="sd">        :type tmp_file: str</span>
+<span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">()</span></div></div>
+</pre></div>
+
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