Re: Finding relfilenode - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Finding relfilenode
Date
Msg-id 30301.1398349632@sss.pgh.pa.us
Whole thread Raw
In response to Finding relfilenode  (Soroosh Sardari <soroosh.sardari@gmail.com>)
List pgsql-hackers
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



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