potiuk commented on a change in pull request #7688: [AIRFLOW-6794] Allow AWS
Operator RedshiftToS3Transfer To Run a Custom Query
URL: https://github.com/apache/airflow/pull/7688#discussion_r390753208
##########
File path: airflow/providers/amazon/aws/operators/redshift_to_s3.py
##########
@@ -107,7 +112,12 @@ def execute(self, context):
credentials = s3_hook.get_credentials()
unload_options = '\n\t\t\t'.join(self.unload_options)
s3_key = '{}/{}_'.format(self.s3_key, self.table) if
self.table_as_file_name else self.s3_key
- select_query = "SELECT * FROM
{schema}.{table}".format(schema=self.schema, table=self.table)
+ if not self.custom_select_query:
+ if (not self.schema) or (not self.table):
+ raise AirflowBadRequest("schema, table set to None")
+ select_query = "SELECT * FROM
{schema}.{table}".format(schema=self.schema, table=self.table)
+ else:
+ select_query = self.custom_select_query
Review comment:
```suggestion
if all([self.schema, self.table]):
select_query = "SELECT * FROM
{schema}.{table}".format(schema=self.schema, table=self.table)
elif self.custom_select_query:
select_query = self.custom_select_query
else:
raise AirflowBadRequest(f"Either (schema, table) or
custom_select_query should be set. They are ({self.schema},{self.table}) and
{self.custom_select_query} now.")
```
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