2011/2/1 Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com>:
> 2011/2/1 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
>> Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com> writes:
>>> Finally I concluded the concern Itagaki-san raised can be solved by
>>> adding code that restores client_encoding in copy_in_error_callback.
>> It might happen to work today (or at least in the scenarios you tested),
>> but it seems fragile as can be.
> Although I thought its fragile-ness was acceptable to avoid making the
> patch too complex, I agree with you.
> The third patch is attached, modifying mb routines so that they can
> receive conversion procedures as FmgrInof * and save the function
> pointer in CopyState.
> I tested it with encoding option and could not see performance slowdown.
Hmm, sorry, the patch was wrong. Correct version is attached.
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