On Mon, May 16, 2016 at 10:49 AM, Robert Haas <robertmh...@gmail.com> wrote:
> 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.

I agree with having new-style options syntax.
Isn't it better to have SCAN_ALL option without parentheses?

Syntaxes are;
VACUUM SCAN_ALL table_name;
VACUUM SCAN_ALL;  -- for all tables on database


Masahiko Sawada

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