godfreyhe commented on a change in pull request #12867:
URL: https://github.com/apache/flink/pull/12867#discussion_r457161336
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File path: flink-python/pyflink/table/table_result.py
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@@ -134,10 +134,19 @@ def print(self):
"""
Print the result contents as tableau form to client console.
- For streaming mode, this method guarantees end-to-end exactly-once
record delivery
- which requires the checkpointing mechanism to be enabled.
- By default, checkpointing is disabled. To enable checkpointing, set
checkpointing properties
- (see ExecutionCheckpointingOptions) through
`TableConfig#getConfiguration()`.
+ This method has slightly different behaviors under different
checkpointing settings.
+
+ - For batch jobs or streaming jobs without checkpointing,
+ this method has neither exactly-once nor at-least-once guarantee.
Review comment:
Reduce indentation
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