turbaszek commented on a change in pull request #11332:
URL: https://github.com/apache/airflow/pull/11332#discussion_r502935265
##########
File path: airflow/providers/amazon/aws/transfers/snowflake_to_s3.py
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@@ -0,0 +1,82 @@
+"""
+Transfers data from Snowflake into a S3 Bucket.
+"""
+from typing import List, Optional, Union
+from airflow.models import BaseOperator
+from airflow.utils.decorators import apply_defaults
+from airflow.providers.snowflake.hooks.snowflake import SnowflakeHook
+
+
+class SnowflakeToS3Operator(BaseOperator):
+ """
+ UNLOAD a query or a table from Snowflake to S3
+ :param schema: reference to a specific schema in snowflake database
+ :type schema: str
+ :param table: reference to a specific table in snowflake database
+ :type table: str
+ :param s3_bucket: reference to a specific S3 bucket where the data will be
saved
+ :type s3_bucket: str
+ :param s3_key: reference to a specific S3 key within the previous bucket
+ :type s3_key: str
+ :param file_format: can be either a previous file format created in
Snowflake console or hardcoded one like
+ ``type = csv
+ field_delimiter = ','
+ skip_header = 1
+ compression=None``
+ :type file_format: str
+ :param sql: optional parameter to unload a customized query instead an
entire table
+ :type sql: str
+ :param snowflake_conn_id: reference to a specific snowflake database
+ :type snowflake_conn_id: str
+ :param unload_options: reference to a str of UNLOAD options. For instance,
a valid string would be:
+ ``SINGLE=TRUE
+ MAX_FILE_SIZE = 5368709119
+ OVERWRITE = TRUE``
+ :type unload_options: str
+ """
+
+ template_fields = ('s3_key', 's3_bucket', 'sql', 'table',
'snowflake_conn_id',)
+ template_ext = ('.sql',)
+ ui_color = '#ededed'
+
+ @apply_defaults
+ def __init__(
+ self,
+ s3_bucket: str,
+ s3_key: str,
+ file_format: str,
+ schema: Optional[str] = None,
+ table: Optional[str] = None,
+ sql: Optional[str] = None,
+ snowflake_conn_id: str = "snowflake_default",
+ unload_options: Optional[str] = None,
+ autocommit: bool = True,
+ *args, **kwargs) -> None:
Review comment:
```suggestion
self,
*,
s3_bucket: str,
s3_key: str,
file_format: str,
schema: Optional[str] = None,
table: Optional[str] = None,
sql: Optional[str] = None,
snowflake_conn_id: str = "snowflake_default",
unload_options: Optional[str] = None,
autocommit: bool = True,
**kwargs) -> None:
```
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