apache / apache/rocketmq-client-python

what kind of expression should be put in subscribe(self, topic, callback, expression='*')

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描述

I want to use SQL in expression to filter message properties when consuming messages, but it seems that I cannot get the messages I want.
I put "Tag=test AND creator=xx" in expression and I want to filter messages with tag test and property {creator=xx}. How should I get this done?

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