Airflow XComs: Difference between revisions

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=Overview=
=Overview=
Tasks communicate using inputs and outputs, and XComs ("cross-communications") intermediates that.
Tasks communicate using inputs and outputs, and XComs ("cross-communications") intermediates that.
<font color=darkkhaki>When you call a [[Airflow Concepts#TaskFlow|TaskFlow]] function in the DAG file, rather than executing it, you will get an object representing the XCom for the result (an <code>XComArg</code>, that you can use as inputs to downstream tasks and operators.</font>

Revision as of 19:56, 11 July 2022

External

Internal

Overview

Tasks communicate using inputs and outputs, and XComs ("cross-communications") intermediates that.

When you call a TaskFlow function in the DAG file, rather than executing it, you will get an object representing the XCom for the result (an XComArg, that you can use as inputs to downstream tasks and operators.