"=?utf-8?B?WHVhbiBDaGVu?=" writes:
> In some cases, I noticed that a parent path node's total cost is less than
> that of one of its child path nodes. I initially expected that the total cost
> of a node should be at least as large as the sum of its child nodes’ total
> costs, or at least not s
Hi,
I have a question regarding the interpretation of total cost in PostgreSQL's
EXPLAIN output.
In some cases, I noticed that a parent path node's total cost is less than that
of one of its child path nodes. I initially expected that the total cost of a
node should be at least as large as the
