Campo "tipo Bits" en Firebird

[mamcx]

Parece que FB tiene soporte parcial, usando un campo integer y funciones de BIT:

https://stackoverflow.com/questions/...-to-bit-in-sql

Código SQL [-]
Integer field: 7 = 00000111

SELECT 
   bin_and(field, 1) as bit1, 
   bin_and(field, 2) as bit2, 
   bin_and(field, 4) as bit3,
   bin_and(field, 8) as bit4,
   ... 
FROM T