Re: log bind parameter values on error - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: log bind parameter values on error
Date
Msg-id 20191210202251.GA8361@alvherre.pgsql
Whole thread Raw
In response to Re: log bind parameter values on error  (Alvaro Herrera <alvherre@2ndquadrant.com>)
Responses Re: log bind parameter values on error  (Alvaro Herrera <alvherre@2ndquadrant.com>)
List pgsql-hackers
Here's a curious thing that happens with this patch.  If you have
log_duration set so that parameters are logged during the bind phase,
and then an error occurs during the execution phase but you don't have
log_parameters_on_error set true, the second error will log the
parameters nonetheless ... because they were saved in the ParamListInfo
struct by the errdetail_params() call in the check_log_durations block
during bind.

I'm not sure this is a terrible problem, but does anybody think we
*not* save params->paramValuesStr across a log_duration when
log_parameters_on_error is not set?

(I think this is somewhat equivalent to the "was_logged" case in
check_log_duration itself.)

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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