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Despite all my nitpicking below, I think this is a good idea. :)
> "DBD" All Driver flags
> $h->trace ("DBD=7") could be an alternative to set the level
Not sure I understand what "DBD=7" is supposed to mean. I presume
that DBD is DBD only flags, but the number means some other level
that only the driver should worry about?
> "1|4" Combination of a DBI debug level and a driver debug level
This doesn't really make sense: most of the numbered ones run at a
"greater than or equal to" (or <=) in the code. Also, DBI uses 4 as well,
so it's not technically correct to call it a driver debug level.
Only the higher, DBD-specific ones use specific bitmap matching, as
far as I am aware. So any bitmap mashing only makes sense for things
over 15, in general.
> Driver side $trace_settings can be stored in $ENV{DBD_TRACE}
Not sure I see the utility of this one, why not just use DBI_TRACE?
I guess it comes down to the same question as before, about
passing the driver a specific number.
> All of the people I talked to agree that is is often useful to see
> Driver-only tracing/debugging, as by now we do trust that DBI is Doing
> The Right Thing (TM)
Meaning that it is not outputting things in the DBD reserved tracing space.
> The problem with the current definition of the trace_flags, is that,
> even though most drivers still work with a trace *level*, it only
> supports trace *flags*. My implementation and suggestion of
> $h->{dbd_verbose} is a nice workaround to start with, but it would be
> easier to lift it to the trace method, so that Driver-only tracing is
> more standardized
Yep. It helps if we all think of the tracing as a single large number
that can be bitmapped, and 1-15 are merely the ones without symbolic
names. Because nobody wants to write 0x02000000 instead of 'pgstart'. :)
- --
Greg Sabino Mullane [EMAIL PROTECTED]
End Point Corporation
PGP Key: 0x14964AC8 200808211638
http://biglumber.com/x/web?pk=2529DF6AB8F79407E94445B4BC9B906714964AC8
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