[FEATURE] Fail to run query. Cause: Can not create a Path from an empty string

[penghuo]

Is your feature request related to a problem?
Most likely becuase database is not create by spark. If this is the case, user can manuual add location URI, file:/home/hadoop/spark-warehouse.

What solution would you like?
Make the error message understanable and actionable.

What alternatives have you considered?
n/a

Do you have any additional context?
Add any other context or screenshots about the feature request here.

[dblock]

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