2011/11/18 Shigeru Hanada <shigeru.hanada@gmail.com>:
> - I couldn't see the reason why file_fdw sets ctid of sample tuples,
> though I guess it's for Vitter's random sampling algorithm. If every
> FDW must set valid ctid to sample tuples, it should be mentioned in
> document of AnalyzeForeignTable. Exporting some functions from
> analyze.c relates this issue?
If every FDW must set valid ctid to sample tuples, it should be fixed
so that they don't have to, I would think.
--
Robert Haas
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