> For some reason it's a requirement that partial wildcard
> searches are done on this field, such as "SELECT ... WHERE
> field LIKE 'A%'"
>
> I thought an interesting way to do this would be to simply
> create partial indexes for each letter on that field, and it
> works when the query matches the WHERE clause in the index
> exactly like above. The problem is thus:
I thought PG could use an ordinary index for 'like' conditions with just a
terminating '%'?
My other thought is that like 'A%' should grab about 1/26th of the table
anyway (if the initial character distribution is random), and so a
sequential scan might be the best plan anyway...
M