Soroosh Sardari <soroosh.sardari@gmail.com> writes:
> In cost functions such as cost_seqscan, a RelOptinfo indicate a base
> relation.
> But there is no relfilenode in the RelOptinfo, So how could i find
> relfilenode or reloid of the relation?
You could get the table OID out of the associated RTE. But I fail to
see what value the relfilenode would have at plan time.
regards, tom lane