Re: patch: preload dictionary new version

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Itagaki Takahiro <itagaki.takahiro@gmail.com>
Cc: Pavel Stehule <pavel.stehule@gmail.com>, Robert Haas <robertmhaas@gmail.com>, Takahiro Itagaki <itagaki.takahiro@oss.ntt.co.jp>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2010-07-12T04:02:09Z
Lists: pgsql-hackers
Itagaki Takahiro <itagaki.takahiro@gmail.com> writes:
> 2010/7/8 Tom Lane <tgl@sss.pgh.pa.us>:
>> For example, the dictionary-load code could automatically execute
>> the precompile step if it observed that the precompiled copy of the
>> dictionary was missing or had an older file timestamp than the source.

> There might be a problem in automatic precompiler -- Where should we
> save the result? OS users of postgres servers don't have write-permission
> to $PGSHARE in normal cases. Instead, we can store the precompiled
> result to $PGDATA/pg_dict_cache or so.

Yeah.  Actually we'd *have* to do something like that because $PGSHARE
should contain only architecture-independent files, while the
precompiled files would presumably have dependencies on endianness etc.

			regards, tom lane