Entrypoint integerabs compatible with UTF-8
Input INTEGER integer Output INTEGER absolute (positive) value of an integer
TestSQL SELECT 15 AS ISCORRECT, F_INTEGERABS(15) FROM RDB$DATABASE; SELECT 15 AS ISCORRECT, F_INTEGERABS(-15) FROM RDB$DATABASE; SELECT NULL AS ISCORRECT, F_INTEGERABS(NULL) FROM RDB$DATABASE;