Fokko commented on a change in pull request #4773: [AIRFLOW-3767] Correct bulk
insert function
URL: https://github.com/apache/airflow/pull/4773#discussion_r260763896
##########
File path: airflow/hooks/oracle_hook.py
##########
@@ -199,12 +199,20 @@ def bulk_insert_rows(self, table, rows,
target_fields=None, commit_every=5000):
Default 5000. Set greater than 0. Set 1 to insert each row in each
transaction
:type commit_every: int
"""
+ if not rows:
+ raise ValueError("parameter rows could not be None or empty
iterable")
conn = self.get_conn()
cursor = conn.cursor()
- values = ', '.join(':%s' % i for i in range(1, len(target_fields) + 1))
- prepared_stm = 'insert into {tablename} ({columns}) values
({values})'.format(
+ if target_fields:
+ columns = ', '.join(target_fields)
Review comment:
Maybe move this directly inside of the format? or give it a different name,
I don't like overwriting variables :-)
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