Hello,
There is a callback function in fdw's which should also set estimates for
startup and total costs for each path. Assume a fdw adds only one path
(e.g. in file_fdw). I am trying to understand what can go wrong if we do a
bad job in estimating these costs.
Since we have only one scan path
Hadi Moshayedi h...@moshayedi.net writes:
There is a callback function in fdw's which should also set estimates for
startup and total costs for each path. Assume a fdw adds only one path
(e.g. in file_fdw). I am trying to understand what can go wrong if we do a
bad job in estimating these
