If I define a computed column with an explicit data type, it works:

FIELD_NAME DECIMAL(5,2) COMPUTED BY (...some formula...)

If I use a domain name, I get an error message:

ISC ERROR CODE:335544569
ISC ERROR MESSAGE:
Dynamic SQL Error
SQL error code = -104
Token unknown - line 21, char 24
COMPUTED

FIELD_NAME DOMAIN_NAME COMPUTED BY (...some formula...)


Is this the expected behavior?

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