Hi all,

I wonder if it would be possible to limit the length of individual log lines 
being written to the log file.

Background:
I have a PL/PGsql DB function 'addval(_id text, _data bytea) RETURNS VOID'.  
When a broken bytea is passed as 2nd parameter, something like

albrecht@test FEHLER:  ungültige hexadezimale Ziffer: »r« bei Zeichen 28
albrecht@test ANWEISUNG:  SELECT FROM addval('hopp', '\xbroken')

is printed in the log file.  This is fine and very helpful in this case, but I 
have a “friendly user” who transmitted a broken hex string of ~100 KBytes as 
second parameter, resulting in a log line of this size which is not really 
readable and when done frequently quickly fills the logs.

The log settings are, inter alia

log_parameter_max_length = 256
log_parameter_max_length_on_error = 256
log_error_verbosity = TERSE

but seem to have not the desired effect in this case.

I use PostgreSQL version 17.6-1.pgdg13+1 on Debian Trixie.

Thanks in advance for any help,
Albrecht.

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