Re: enhanced error fields

Hello

here is updated patch - merge comments, docs, formatting, some
identifiers from Peter Geoghegan's patch

Regards

Pavel

2012/7/18 Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>:
> Hello
>
> * renamed erritem to err_generic_string
> * fixed CSVlog generation
> * new file /utils/error/relerror.c with axillary functions -
> declarations are in utils/rel.h
>
> Regards
>
> Pavel
>
> 2012/7/11 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
>> Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
>>> FWIW about the new include: I feel a strong dislike about the forward
>>> declaration you suggest. Defining Relation in elog.h seems completely
>>> out of place.
>>
>> Agreed. Maybe a reasonable solution is to allow some ereport helper
>> functions (or, really, wrappers for the helper functions) to be declared
>> someplace else than elog.h. They'd likely need to be implemented
>> someplace else than elog.c, too, so this doesn't seem unreasonable.
>>
>> The generic helper function approach doesn't seem too unreasonable for
>> this: elog.h/.c would provide something like
>>
>> err_generic_string(int fieldid, const char *str)
>>
>> and then someplace else could provide functions built on this that
>> insert table/schema/column/constraint/etc names into suitable fields.
>>
>> regards, tom lane