Re: Bit strings

Any idea where we are on this?

> >>>> Can we get the BIT type working now that 7.1 is branched?
> 
> I did some work on the BIT types a couple months ago.  According to
> my notes, the following issues are still outstanding before they
> can be said to work at all:
> 
> Bit and hexstring literals are not handled in a reasonable fashion;
> the scanner converts them to integer constants which is bogus.
> Probably they need to be converted to some generic 'UNKNOWNBITSTRING'
> pseudo-type that can later be coerced to a specific bitstring type.
> I didn't touch this because it seems to open up the Pandora's box
> of unknown-constant handling, for which we do not have a good
> general solution.
> 
> SQL92 sez we need a position() function for bitstrings.
> 
> Need a regression test for bit types.
> 
> scalarltsel() and friends need to cope with bit/varbit types in
> order to make good use of indexes on bitstrings.
> 
> pg_dump does not handle BIT/VARBIT lengths properly (pjw may have
> fixed this by now).
> 
>             regards, tom lane
> 


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