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| <div class="section" id="module-airflow.contrib.operators.gcs_to_bq"> |
| <span id="airflow-contrib-operators-gcs-to-bq"></span><h1><a class="reference internal" href="#module-airflow.contrib.operators.gcs_to_bq" title="airflow.contrib.operators.gcs_to_bq"><code class="xref py py-mod docutils literal notranslate"><span class="pre">airflow.contrib.operators.gcs_to_bq</span></code></a><a class="headerlink" href="#module-airflow.contrib.operators.gcs_to_bq" title="Permalink to this headline">¶</a></h1> |
| <div class="section" id="module-contents"> |
| <h2>Module Contents<a class="headerlink" href="#module-contents" title="Permalink to this headline">¶</a></h2> |
| <dl class="class"> |
| <dt id="airflow.contrib.operators.gcs_to_bq.GoogleCloudStorageToBigQueryOperator"> |
| <em class="property">class </em><code class="sig-prename descclassname">airflow.contrib.operators.gcs_to_bq.</code><code class="sig-name descname">GoogleCloudStorageToBigQueryOperator</code><span class="sig-paren">(</span><em class="sig-param">bucket</em>, <em class="sig-param">source_objects</em>, <em class="sig-param">destination_project_dataset_table</em>, <em class="sig-param">schema_fields=None</em>, <em class="sig-param">schema_object=None</em>, <em class="sig-param">source_format='CSV'</em>, <em class="sig-param">compression='NONE'</em>, <em class="sig-param">create_disposition='CREATE_IF_NEEDED'</em>, <em class="sig-param">skip_leading_rows=0</em>, <em class="sig-param">write_disposition='WRITE_EMPTY'</em>, <em class="sig-param">field_delimiter='</em>, <em class="sig-param">'</em>, <em class="sig-param">max_bad_records=0</em>, <em class="sig-param">quote_character=None</em>, <em class="sig-param">ignore_unknown_values=False</em>, <em class="sig-param">allow_quoted_newlines=False</em>, <em class="sig-param">allow_jagged_rows=False</em>, <em class="sig-param">max_id_key=None</em>, <em class="sig-param">bigquery_conn_id='bigquery_default'</em>, <em class="sig-param">google_cloud_storage_conn_id='google_cloud_default'</em>, <em class="sig-param">delegate_to=None</em>, <em class="sig-param">schema_update_options=()</em>, <em class="sig-param">src_fmt_configs=None</em>, <em class="sig-param">external_table=False</em>, <em class="sig-param">time_partitioning=None</em>, <em class="sig-param">cluster_fields=None</em>, <em class="sig-param">autodetect=True</em>, <em class="sig-param">encryption_configuration=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/contrib/operators/gcs_to_bq.html#GoogleCloudStorageToBigQueryOperator"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.gcs_to_bq.GoogleCloudStorageToBigQueryOperator" 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>Loads files from Google cloud storage into BigQuery.</p> |
| <p>The schema to be used for the BigQuery table may be specified in one of |
| two ways. You may either directly pass the schema fields in, or you may |
| point the operator to a Google cloud storage object name. The object in |
| Google cloud storage must be a JSON file with the schema fields in it.</p> |
| <div class="admonition seealso"> |
| <p class="admonition-title">See also</p> |
| <p>For more information on how to use this operator, take a look at the guide: |
| <a class="reference internal" href="../../../../../howto/operator/gcp/gcs.html#howto-operator-googlecloudstoragetobigqueryoperator"><span class="std std-ref">GoogleCloudStorageToBigQueryOperator</span></a></p> |
| </div> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>bucket</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 bucket to load from. (templated)</p></li> |
| <li><p><strong>source_objects</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#list" title="(in Python v3.8)"><em>list</em></a><em>[</em><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a><em>]</em>) – List of Google cloud storage URIs to load from. (templated) |
| If source_format is ‘DATASTORE_BACKUP’, the list must only contain a single URI.</p></li> |
| <li><p><strong>destination_project_dataset_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>) – The dotted |
| <code class="docutils literal notranslate"><span class="pre">(<project>.|<project>:)<dataset>.<table></span></code> BigQuery table to load data into. |
| If <code class="docutils literal notranslate"><span class="pre"><project></span></code> is not included, project will be the project defined in |
| the connection json. (templated)</p></li> |
| <li><p><strong>schema_fields</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#list" title="(in Python v3.8)"><em>list</em></a>) – If set, the schema field list as defined here: |
| <a class="reference external" href="https://cloud.google.com/bigquery/docs/reference/v2/jobs#configuration.load">https://cloud.google.com/bigquery/docs/reference/v2/jobs#configuration.load</a> |
| Should not be set when source_format is ‘DATASTORE_BACKUP’. |
| Parameter must be defined if ‘schema_object’ is null and autodetect is False.</p></li> |
| <li><p><strong>schema_object</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – If set, a GCS object path pointing to a .json file that |
| contains the schema for the table. (templated) |
| Parameter must be defined if ‘schema_fields’ is null and autodetect is False.</p></li> |
| <li><p><strong>source_format</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – File format to export.</p></li> |
| <li><p><strong>compression</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a>) – [Optional] The compression type of the data source. |
| Possible values include GZIP and NONE. |
| The default value is NONE. |
| This setting is ignored for Google Cloud Bigtable, |
| Google Cloud Datastore backups and Avro formats.</p></li> |
| <li><p><strong>create_disposition</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 create disposition if the table doesn’t exist.</p></li> |
| <li><p><strong>skip_leading_rows</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.8)"><em>int</em></a>) – Number of rows to skip when loading from a CSV.</p></li> |
| <li><p><strong>write_disposition</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 write disposition if the table already exists.</p></li> |
| <li><p><strong>field_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>) – The delimiter to use when loading from a CSV.</p></li> |
| <li><p><strong>max_bad_records</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#int" title="(in Python v3.8)"><em>int</em></a>) – The maximum number of bad records that BigQuery can |
| ignore when running the job.</p></li> |
| <li><p><strong>quote_character</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 value that is used to quote data sections in a CSV file.</p></li> |
| <li><p><strong>ignore_unknown_values</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a>) – [Optional] Indicates if BigQuery should allow |
| extra values that are not represented in the table schema. |
| If true, the extra values are ignored. If false, records with extra columns |
| are treated as bad records, and if there are too many bad records, an |
| invalid error is returned in the job result.</p></li> |
| <li><p><strong>allow_quoted_newlines</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 allow quoted newlines (true) or not (false).</p></li> |
| <li><p><strong>allow_jagged_rows</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a>) – Accept rows that are missing trailing optional columns. |
| The missing values are treated as nulls. If false, records with missing trailing |
| columns are treated as bad records, and if there are too many bad records, an |
| invalid error is returned in the job result. Only applicable to CSV, ignored |
| for other formats.</p></li> |
| <li><p><strong>max_id_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>) – If set, the name of a column in the BigQuery table |
| that’s to be loaded. This will be used to select the MAX value from |
| BigQuery after the load occurs. The results will be returned by the |
| execute() command, which in turn gets stored in XCom for future |
| operators to use. This can be helpful with incremental loads–during |
| future executions, you can pick up from the max ID.</p></li> |
| <li><p><strong>bigquery_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>) – Reference to a specific BigQuery hook.</p></li> |
| <li><p><strong>google_cloud_storage_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>) – Reference to a specific Google |
| cloud storage hook.</p></li> |
| <li><p><strong>delegate_to</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 account to impersonate, if any. For this to |
| work, the service account making the request must have domain-wide |
| delegation enabled.</p></li> |
| <li><p><strong>schema_update_options</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#list" title="(in Python v3.8)"><em>list</em></a>) – Allows the schema of the destination |
| table to be updated as a side effect of the load job.</p></li> |
| <li><p><strong>src_fmt_configs</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.8)"><em>dict</em></a>) – configure optional fields specific to the source format</p></li> |
| <li><p><strong>external_table</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a>) – Flag to specify if the destination table should be |
| a BigQuery external table. Default Value is False.</p></li> |
| <li><p><strong>time_partitioning</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.8)"><em>dict</em></a>) – configure optional time partitioning fields i.e. |
| partition by field, type and expiration as per API specifications. |
| Note that ‘field’ is not available in concurrency with |
| dataset.table$partition.</p></li> |
| <li><p><strong>cluster_fields</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#list" title="(in Python v3.8)"><em>list</em></a><em>[</em><a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.8)"><em>str</em></a><em>]</em>) – Request that the result of this load be stored sorted |
| by one or more columns. This is only available in conjunction with |
| time_partitioning. The order of columns given determines the sort order. |
| Not applicable for external tables.</p></li> |
| <li><p><strong>autodetect</strong> (<a class="reference external" href="https://docs.python.org/3/library/functions.html#bool" title="(in Python v3.8)"><em>bool</em></a>) – [Optional] Indicates if we should automatically infer the |
| options and schema for CSV and JSON sources. (Default: <code class="docutils literal notranslate"><span class="pre">True</span></code>). |
| Parameter must be setted to True if ‘schema_fields’ and ‘schema_object’ are undefined. |
| It is suggested to set to True if table are create outside of Airflow.</p></li> |
| <li><p><strong>encryption_configuration</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#dict" title="(in Python v3.8)"><em>dict</em></a>) – <p>[Optional] Custom encryption configuration (e.g., Cloud KMS keys). |
| <strong>Example</strong>:</p> |
| <div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">encryption_configuration</span> <span class="o">=</span> <span class="p">{</span> |
| <span class="s2">"kmsKeyName"</span><span class="p">:</span> <span class="s2">"projects/testp/locations/us/keyRings/test-kr/cryptoKeys/test-key"</span> |
| <span class="p">}</span> |
| </pre></div> |
| </div> |
| </p></li> |
| </ul> |
| </dd> |
| </dl> |
| <dl class="attribute"> |
| <dt id="airflow.contrib.operators.gcs_to_bq.GoogleCloudStorageToBigQueryOperator.template_fields"> |
| <code class="sig-name descname">template_fields</code><em class="property"> = ['bucket', 'source_objects', 'schema_object', 'destination_project_dataset_table']</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/gcs_to_bq.html#GoogleCloudStorageToBigQueryOperator.template_fields"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.gcs_to_bq.GoogleCloudStorageToBigQueryOperator.template_fields" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="attribute"> |
| <dt id="airflow.contrib.operators.gcs_to_bq.GoogleCloudStorageToBigQueryOperator.template_ext"> |
| <code class="sig-name descname">template_ext</code><em class="property"> = ['.sql']</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/gcs_to_bq.html#GoogleCloudStorageToBigQueryOperator.template_ext"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.gcs_to_bq.GoogleCloudStorageToBigQueryOperator.template_ext" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="attribute"> |
| <dt id="airflow.contrib.operators.gcs_to_bq.GoogleCloudStorageToBigQueryOperator.ui_color"> |
| <code class="sig-name descname">ui_color</code><em class="property"> = #f0eee4</em><a class="reference internal" href="../../../../../_modules/airflow/contrib/operators/gcs_to_bq.html#GoogleCloudStorageToBigQueryOperator.ui_color"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.gcs_to_bq.GoogleCloudStorageToBigQueryOperator.ui_color" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| <dl class="method"> |
| <dt id="airflow.contrib.operators.gcs_to_bq.GoogleCloudStorageToBigQueryOperator.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/contrib/operators/gcs_to_bq.html#GoogleCloudStorageToBigQueryOperator.execute"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#airflow.contrib.operators.gcs_to_bq.GoogleCloudStorageToBigQueryOperator.execute" title="Permalink to this definition">¶</a></dt> |
| <dd></dd></dl> |
| |
| </dd></dl> |
| |
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