Re: Reducing data type space usage

Tom Lane wrote:
> Bruce Momjian <bruce@momjian.us> writes:
> > FYI, we also need to figure out how to store a zero-length string.  That
> > will probably be high-bit, and then all zero bits.  We don't store a
> > zero-byte in strings, so that should be unique for "".
> 
> No, it'll be a 1-byte header with length indicating that no bytes
> follow, which likely will be 10000001 rather than 10000000 ... but
> in either case there is no ambiguity involved.

Well, in my idea, 10000001 would be 0x01.  I was going to use the
remaining 7 bits for the 7-bit ascii value.

--  Bruce Momjian   bruce@momjian.us EnterpriseDB    http://www.enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +