corda - sort based on value in specific order

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we have a use case wherein i need to sort states based on value. Say i have column 'Occupation' and it has values 'Doctor', "Engineer', "Artist'. I need to sort all states , such that all states that have 'Doctors' should come first , followed by the others. Can this be achieved ? Appreciate any help. Thanks.

something like below. SELECT * from customer ORDER BY CASE WHEN occupation = 'Doctor' THEN 1
ELSE 2 END

i checked the vault query link in r3 docs, but could not find anything related to this.

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