Michael Fuhr wrote:
>Right -- when you open a cursor PostgreSQL doesn't know how many
>rows it will return. PostgreSQL selects a query plan based on an
>*estimate* of how many rows the query will return, but until you
>fetch all the rows you can't know for sure how many rows there will
>be.
>
>
So if i make a but data set as result of a cursor I only "pay" for the
rows I actually fetch ?
/BL