> > > I would love to find a way to get a bitmap like index native to Postgres. I
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> We could implement bitmap handling functions based on one dimentional arrays of
> integers. That's how my stuff deals with them, and postgres already manages
> them.
>
look at contrib/intarray. gist__intbig_ops is a variant of signature
tree (from each array get bitmap signature).
Regards, Teodor
