On 5/15/07, Jason Pinnix <[EMAIL PROTECTED]> wrote:
Does the bitmap
index not store a bit vector for the NULL value (i.e. a bit vector that
contains a 1 for each row with a NULL value and 0 for other rows) ?
You should be able to do this with a conditional index:
create index ... (col) where
Hello,
I'm running version 8.2 with the bitmap index patch posted on pgsql-hackers.
While selection queries with equality predicates (col = value) are able to make
use of the bitmap index, those with IS NULL predicates (col IS NULL) are not
able to use the bitmap index. The online manuals seem