Re: PostgreSQL 7.4 Documentation - perform.sgml

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От Tom Lane
Тема Re: PostgreSQL 7.4 Documentation - perform.sgml
Дата
Msg-id 11051.1077579790@sss.pgh.pa.us
обсуждение исходный текст
Ответ на PostgreSQL 7.4 Documentation - perform.sgml  (Halley Pacheco de Oliveira <halleypo@yahoo.com.br>)
Список pgsql-docs
=?iso-8859-1?q?Halley=20Pacheco=20de=20Oliveira?= <halleypo@yahoo.com.br> writes:
> In file perform.sgml is written:
> The amount of information stored in
> <structname>pg_statistic</structname>,
> in particular the maximum number of entries in the
> <structfield>most_common_vals</> and
> <structfield>histogram_bounds</>
> arrays for each column, can be set on a ...

> But most_common_vals and histogram_bounds are columns
> from the view pg_stats and not from the table
> pg_statistic.

True, but being pedantically correct would obscure the sentence
completely, I fear.  You'd need some sort of arm-waving about
"the slot numbers and values entries corresponding to statistic kinds
STATISTIC_KIND_MCV and STATISTIC_KIND_HISTOGRAM", or something like
that :-(.  That might be appropriate in catalogs.sgml but I think it
will just confuse the readers of perform.sgml.

            regards, tom lane

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