'How to query the value of a variable in Apache IoTDB 0.13? [closed]

I want to query the value of a variable in Apache IoTDB 0.13, but I don't know how to do it. I know the method in Apache IoTDB 0.12. It seems different in Apache IoTDB 0.12 and 0.13. You can see the details in the following picture:

Msg: 401: Error occurred while parsing SQL to physical plan: line 1:38 mismatched input 'where' expecting {<EOF>}IoTDB› select * from root.lic.q004 where Time=-1 slimit 10


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