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  <div class="section" id="module-airflow.operators.s3_to_hive_operator">
<span id="airflow-operators-s3-to-hive-operator"></span><h1><a class="reference internal" href="#module-airflow.operators.s3_to_hive_operator" title="airflow.operators.s3_to_hive_operator"><code class="xref py py-mod docutils literal notranslate"><span class="pre">airflow.operators.s3_to_hive_operator</span></code></a><a class="headerlink" href="#module-airflow.operators.s3_to_hive_operator" title="Permalink to this headline">¶</a></h1>
<div class="section" id="module-contents">
<h2>Module Contents<a class="headerlink" href="#module-contents" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="airflow.operators.s3_to_hive_operator.S3ToHiveTransfer">
<em class="property">class </em><code class="sig-prename descclassname">airflow.operators.s3_to_hive_operator.</code><code class="sig-name descname">S3ToHiveTransfer</code><span class="sig-paren">(</span><em class="sig-param">s3_key</em>, <em class="sig-param">field_dict</em>, <em class="sig-param">hive_table</em>, <em class="sig-param">delimiter='</em>, <em class="sig-param">'</em>, <em class="sig-param">create=True</em>, <em class="sig-param">recreate=False</em>, <em class="sig-param">partition=None</em>, <em class="sig-param">headers=False</em>, <em class="sig-param">check_headers=False</em>, <em class="sig-param">wildcard_match=False</em>, <em class="sig-param">aws_conn_id='aws_default'</em>, <em class="sig-param">verify=None</em>, <em class="sig-param">hive_cli_conn_id='hive_cli_default'</em>, <em class="sig-param">input_compressed=False</em>, <em class="sig-param">tblproperties=None</em>, <em class="sig-param">select_expression=None</em>, <em class="sig-param">*args</em>, <em class="sig-param">**kwargs</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/operators/s3_to_hive_operator.html#S3ToHiveTransfer"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.operators.s3_to_hive_operator.S3ToHiveTransfer" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="../../models/index.html#airflow.models.BaseOperator" title="airflow.models.BaseOperator"><code class="xref py py-class docutils literal notranslate"><span class="pre">airflow.models.BaseOperator</span></code></a></p>
<p>Moves data from S3 to Hive. The operator downloads a file from S3,
stores the file locally before loading it into a Hive table.
If the <code class="docutils literal notranslate"><span class="pre">create</span></code> or <code class="docutils literal notranslate"><span class="pre">recreate</span></code> arguments are set to <code class="docutils literal notranslate"><span class="pre">True</span></code>,
a <code class="docutils literal notranslate"><span class="pre">CREATE</span> <span class="pre">TABLE</span></code> and <code class="docutils literal notranslate"><span class="pre">DROP</span> <span class="pre">TABLE</span></code> statements are generated.
Hive data types are inferred from the cursor’s metadata from.</p>
<p>Note that the table generated in Hive uses <code class="docutils literal notranslate"><span class="pre">STORED</span> <span class="pre">AS</span> <span class="pre">textfile</span></code>
which isn’t the most efficient serialization format. If a
large amount of data is loaded and/or if the tables gets
queried considerably, you may want to use this operator only to
stage the data into a temporary table before loading it into its
final destination using a <code class="docutils literal notranslate"><span class="pre">HiveOperator</span></code>.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>s3_key</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – The key to be retrieved from S3. (templated)</p></li>
<li><p><strong>field_dict</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.8)"><em>dict</em></a>) – A dictionary of the fields name in the file
as keys and their Hive types as values</p></li>
<li><p><strong>hive_table</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – target Hive table, use dot notation to target a
specific database. (templated)</p></li>
<li><p><strong>create</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a>) – whether to create the table if it doesn’t exist</p></li>
<li><p><strong>recreate</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a>) – whether to drop and recreate the table at every
execution</p></li>
<li><p><strong>partition</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.8)"><em>dict</em></a>) – target partition as a dict of partition columns
and values. (templated)</p></li>
<li><p><strong>headers</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a>) – whether the file contains column names on the first
line</p></li>
<li><p><strong>check_headers</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a>) – whether the column names on the first line should be
checked against the keys of field_dict</p></li>
<li><p><strong>wildcard_match</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a>) – whether the s3_key should be interpreted as a Unix
wildcard pattern</p></li>
<li><p><strong>delimiter</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – field delimiter in the file</p></li>
<li><p><strong>aws_conn_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – source s3 connection</p></li>
<li><p><strong>verify</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a><em> or </em><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – <p>Whether or not to verify SSL certificates for S3 connection.
By default SSL certificates are verified.
You can provide the following values:</p>
<ul>
<li><dl class="simple">
<dt><code class="docutils literal notranslate"><span class="pre">False</span></code>: do not validate SSL certificates. SSL will still be used</dt><dd><p>(unless use_ssl is False), but SSL certificates will not be
verified.</p>
</dd>
</dl>
</li>
<li><dl class="simple">
<dt><code class="docutils literal notranslate"><span class="pre">path/to/cert/bundle.pem</span></code>: A filename of the CA cert bundle to uses.</dt><dd><p>You can specify this argument if you want to use a different
CA cert bundle than the one used by botocore.</p>
</dd>
</dl>
</li>
</ul>
</p></li>
<li><p><strong>hive_cli_conn_id</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – destination hive connection</p></li>
<li><p><strong>input_compressed</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a>) – Boolean to determine if file decompression is
required to process headers</p></li>
<li><p><strong>tblproperties</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.8)"><em>dict</em></a>) – TBLPROPERTIES of the hive table being created</p></li>
<li><p><strong>select_expression</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – S3 Select expression</p></li>
</ul>
</dd>
</dl>
<dl class="attribute">
<dt id="airflow.operators.s3_to_hive_operator.S3ToHiveTransfer.template_fields">
<code class="sig-name descname">template_fields</code><em class="property"> = ['s3_key', 'partition', 'hive_table']</em><a class="reference internal" href="../../../../_modules/airflow/operators/s3_to_hive_operator.html#S3ToHiveTransfer.template_fields"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.operators.s3_to_hive_operator.S3ToHiveTransfer.template_fields" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="attribute">
<dt id="airflow.operators.s3_to_hive_operator.S3ToHiveTransfer.template_ext">
<code class="sig-name descname">template_ext</code><em class="property"> = []</em><a class="reference internal" href="../../../../_modules/airflow/operators/s3_to_hive_operator.html#S3ToHiveTransfer.template_ext"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.operators.s3_to_hive_operator.S3ToHiveTransfer.template_ext" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="attribute">
<dt id="airflow.operators.s3_to_hive_operator.S3ToHiveTransfer.ui_color">
<code class="sig-name descname">ui_color</code><em class="property"> = #a0e08c</em><a class="reference internal" href="../../../../_modules/airflow/operators/s3_to_hive_operator.html#S3ToHiveTransfer.ui_color"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.operators.s3_to_hive_operator.S3ToHiveTransfer.ui_color" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.operators.s3_to_hive_operator.S3ToHiveTransfer.execute">
<code class="sig-name descname">execute</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">context</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/operators/s3_to_hive_operator.html#S3ToHiveTransfer.execute"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.operators.s3_to_hive_operator.S3ToHiveTransfer.execute" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.operators.s3_to_hive_operator.S3ToHiveTransfer._get_top_row_as_list">
<code class="sig-name descname">_get_top_row_as_list</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">file_name</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/operators/s3_to_hive_operator.html#S3ToHiveTransfer._get_top_row_as_list"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.operators.s3_to_hive_operator.S3ToHiveTransfer._get_top_row_as_list" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.operators.s3_to_hive_operator.S3ToHiveTransfer._match_headers">
<code class="sig-name descname">_match_headers</code><span class="sig-paren">(</span><em class="sig-param">self</em>, <em class="sig-param">header_list</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/operators/s3_to_hive_operator.html#S3ToHiveTransfer._match_headers"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.operators.s3_to_hive_operator.S3ToHiveTransfer._match_headers" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

<dl class="method">
<dt id="airflow.operators.s3_to_hive_operator.S3ToHiveTransfer._delete_top_row_and_compress">
<em class="property">static </em><code class="sig-name descname">_delete_top_row_and_compress</code><span class="sig-paren">(</span><em class="sig-param">input_file_name</em>, <em class="sig-param">output_file_ext</em>, <em class="sig-param">dest_dir</em><span class="sig-paren">)</span><a class="reference internal" href="../../../../_modules/airflow/operators/s3_to_hive_operator.html#S3ToHiveTransfer._delete_top_row_and_compress"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.operators.s3_to_hive_operator.S3ToHiveTransfer._delete_top_row_and_compress" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>

</dd></dl>

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