| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com> |
| Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Takahiro Itagaki <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: patch: preload dictionary new version |
| Date: | 2010-07-12 04:02:09 |
| Message-ID: | 12652.1278907329@sss.pgh.pa.us |
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Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com> writes:
> 2010/7/8 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)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
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