Re: Unused argument from execute_sql_string()

> Hi,
> 
> I found that a argument "filename" is not used in execute_sql_string() 
> although the comment says "filename is used only to report errors.",
> so I think we can remove this argument as done in the patch I attached.

It seems the "filename" argument has been there since the first
version of extension.c was committed. I don't know why it has been
left unused. Maybe someone thought someday he generates more fancy
error reports using it?

Anyway, considering it's a static function, chance of breaking
backward compatibility is minimum, I think.

So +1 to remove the unused argument.

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
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