Обсуждение: File header

Do we put special information into the first page of each heap file?  I
thought we used to, but I don't see that anymore.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Do we put special information into the first page of each heap file?  I
> thought we used to, but I don't see that anymore.

You're thinking of indexes, perhaps?  I don't recall ever seeing any
sign of a header page on heap files.
        regards, tom lane