apache/airflow

ExternalTaskSensor: An option to use the data_interval variables rather than execution_date

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#26,429 建立於 2022年9月16日

 (5 則留言) (1 個反應) (0 位負責人)Python (16,781 個分叉)batch import
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描述

Description

Since execution_date is deprecated, it makes sense that this sensor or a new version of it (for backward compatibility) uses the data_interval variables.

Use case/motivation

I want to make sure that the data interval this DAG is about to operate on is covered by another DAG. For example, data was loaded up to this DAG's data_interval_end.

I believe the sensor itself is simple to write. It just uses data_interval_end rather than execution_date and it doesn't look for one specific task, any external.data_interval_end > self.data_interval_end is acceptable.

This is the equivalent of ExternalTaskSensor with execution_delta set to self.interval_start - closest_external_interval.interval_start which can be calculated manually but will fail later if the external DAG schedule is changed.

Related issues

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Are you willing to submit a PR?

  • Yes I am willing to submit a PR!

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