eladkal commented on code in PR #38079:
URL: https://github.com/apache/airflow/pull/38079#discussion_r1523099668
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airflow/providers/slack/transfers/sql_to_slack.py:
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@@ -134,6 +141,8 @@ def execute(self, context: Context) -> None:
output_file_name = fp.name
output_file_format = output_file_format.upper()
df_result = self._get_query_results()
+ if not self.allow_null and df_result.empty:
+ raise SqlToSlackNullOutputException("Sql output is empty.")
Review Comment:
`action_on_empty_df: Literal["send", "skip", "error", "ignore"] = "send"`
That mixes between what what to do with the empty file and what state to set
the task.
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