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Update insert to use select_from - this allows the insert query to run as a single bulk insert and should be more efficient.

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This commit is contained in:
Rebecca Law
2019-05-02 13:46:15 +01:00
parent c9265aab68
commit d5d2b3d2a6
2 changed files with 18 additions and 40 deletions
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56
app/dao/notifications_dao.py
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@@ -366,51 +366,29 @@ def _delete_notifications(
def insert_update_notification_history(notification_type, date_to_delete_from, service_id):
notifications = db.session.query(
Notification.id,
Notification.job_id,
Notification.job_row_number,
Notification.service_id,
Notification.template_id,
Notification.template_version,
Notification.api_key_id,
Notification.key_type,
Notification.billable_units,
Notification.notification_type,
Notification.created_at,
Notification.sent_at,
Notification.sent_by,
Notification.updated_at,
Notification.status,
Notification.reference,
Notification.client_reference,
Notification.international,
Notification.phone_prefix,
Notification.rate_multiplier,
Notification.created_by_id,
Notification.postage
*[x.name for x in NotificationHistory.__table__.c]
).filter(
Notification.notification_type == notification_type,
Notification.service_id == service_id,
Notification.created_at < date_to_delete_from,
Notification.key_type != KEY_TYPE_TEST
).all()
)
stmt = insert(NotificationHistory).from_select(
NotificationHistory.__table__.c,
notifications
)
if notifications:
stmt = insert(NotificationHistory).values(
notifications
)
stmt = stmt.on_conflict_do_update(
constraint="notification_history_pkey",
set_={"notification_status": stmt.excluded.status,
"billable_units": stmt.excluded.billable_units,
"updated_at": stmt.excluded.updated_at,
"sent_at": stmt.excluded.sent_at,
"sent_by": stmt.excluded.sent_by
}
)
db.session.connection().execute(stmt)
db.session.commit()
stmt = stmt.on_conflict_do_update(
constraint="notification_history_pkey",
set_={"notification_status": stmt.excluded.status,
"billable_units": stmt.excluded.billable_units,
"updated_at": stmt.excluded.updated_at,
"sent_at": stmt.excluded.sent_at,
"sent_by": stmt.excluded.sent_by
}
)
db.session.connection().execute(stmt)
db.session.commit()
def _delete_letters_from_s3(