Hi,

On 10 October 2012 19:47, Vineet Deodhar <vineet.deod...@gmail.com> wrote:
> 3) Can I simulate MySQL's TINYINT data-type (using maybe the custom data
> type or something else)

What do you exactly mean? Do you care about storage requirements or
constraints? The smallest numeric type in postgres is smallint: range
is +/- 32K and you need two bytes. You can use check constraint to
restrict the range (postgres doesn't have signed / unsigned types):

create table T (
  tint_signed smallint check ( tint_signed >= -128 and tint_signed =< 127 ),
  tint_unsigned smallint check ( tint_unsigned >= 0 and tint_unsigned =< 255 )
)

if you care about storage then "char" (yes, with quotes) might be the
right type for you.

-- 
Ondrej Ivanic
(ondrej.iva...@gmail.com)
(http://www.linkedin.com/in/ondrejivanic)


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