On Tue, May 10, 2016 at 10:40 PM, Masahiko Sawada <sawada.m...@gmail.com> wrote:
> Or second way I came up with is having tool to remove particular _vm
> file safely, which is executed via SQL or client tool like
> pg_resetxlog.
> Attached updated VACUUM SCAN_ALL patch.
> Please find it.

We should support scan_all only with the new-style options syntax for
VACUUM; that is, vacuum (scan_all) rename.  That doesn't require
making scan_all a keyword, which is good: this is a minor feature, and
we don't want to bloat the parsing tables for it.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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