Soroosh Sardari <> 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

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