Обсуждение: What is the role of pg_filenode.map ?

Hi tehre,

in every database there is a file nammed pg_filenode.map
wich I suppose give the map of the real filenode while some command make
a divergence betwen the actuel object oid and the "new" filenode...
Am I wright ?

Thanks

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"F. BROUARD / SQLpro"  wrote:

> in every database there is a file nammed pg_filenode.map wich I
> suppose give the map of the real filenode while some command make
> a divergence betwen the actuel object oid and the "new" filenode...
> Am I wright ?

If you want to understand internals like this, the best thing to do
is probably to read the source code.


http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/backend/utils/cache/relmapper.c;h=6f214957bf831c4a5c17ebc630f5151adc860135;hb=HEAD

-Kevin