Le Friday 23 November 2001 12:23, Tom Lane a écrit :
> > does a documentation exists concerning postgres internals, which I
> > havren't found, and which would say something like
> > "the relation between pg_class and pg_attribute is the field
> > oid in in pg_class which is the same as the field attrelid in
> > pg_attribute" "attnum in pg_attribute is >0 for 'user' fields and <0 for
> > internal fields" . . .
> See the "system catalogs" chapter of the developer's guide. It's a bit
> terse but I believe the information you mention above is all stated at,
> eg,
> http://candle.pha.pa.us/main/writings/pgsql/sgml/catalog-pg-attribute.html
Yes,;-)) thank you very much, it seems like this is exactly what I needed.
I searched for this data for a very long time.
thank you very much.
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