How to enable logging of all SQL executed by PostgreSQL 8.3?
Edited (more info) I changed these lines :
log_directory = 'pg_log'
log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'
log_statement = 'all'
And restart PostgreSQL service... but no log was created... I'm using Windows Server 2003.
Any ideas?
This question is related to
postgresql
logging
Edit your /etc/postgresql/9.3/main/postgresql.conf
, and change the lines as follows.
Note: If you didn't find the postgresql.conf
file, then just type $locate postgresql.conf
in a terminal
#log_directory = 'pg_log'
to log_directory = 'pg_log'
#log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'
to log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'
#log_statement = 'none'
to log_statement = 'all'
#logging_collector = off
to logging_collector = on
Optional: SELECT set_config('log_statement', 'all', true);
sudo /etc/init.d/postgresql restart
or sudo service postgresql restart
Fire query in postgresql select 2+2
Find current log in /var/lib/pgsql/9.2/data/pg_log/
The log files tend to grow a lot over a time, and might kill your machine. For your safety, write a bash script that'll delete logs and restart postgresql server.
Thanks @paul , @Jarret Hardie , @Zoltán , @Rix Beck , @Latif Premani
Set log_statement
to all
:
FYI: The other solutions will only log statements from the default database—usually postgres
—to log others; start with their solution; then:
ALTER DATABASE your_database_name
SET log_statement = 'all';
You also need add these lines in PostgreSQL and restart the server:
log_directory = 'pg_log'
log_filename = 'postgresql-dateformat.log'
log_statement = 'all'
logging_collector = on
Just to have more details for CentOS 6.4 (Red Hat 4.4.7-3) running PostgreSQL 9.2, based on the instructions found on this web page:
log_statement = 'all'
and log_min_error_statement = error
in /var/lib/pgsql/9.2/data/postgresql.conf
./usr/pgsql-9.2/bin/pg_ctl reload -D /var/lib/pgsql/9.2/data/
./var/lib/pgsql/9.2/data/pg_log/
I was trying to set the log_statement
in some postgres config file but in fact the file was not read by our postgres.
I confirmed that using the request :
select *
from pg_settings
[...]
log_statement none # That was not the value i was expected for !!!
I use this way https://stackoverflow.com/a/41912295/2294168
command: postgres -c config_file=/etc/postgresql.conf
You should also set this parameter to log every statement:
log_min_duration_statement = 0
SELECT set_config('log_statement', 'all', true);
With a corresponding user right may use the query above after connect. This will affect logging until session ends.
+1 to above answers. I use following config
log_line_prefix = '%t %c %u ' # time sessionid user
log_statement = 'all'
There is an extension in postgresql for this. It's name is "pg_stat_statements". https://www.postgresql.org/docs/9.4/pgstatstatements.html
Basically you have to change postgresql.conf file a little bit:
shared_preload_libraries= 'pg_stat_statements'
pg_stat_statements.track = 'all'
Then you have to log in DB and run this command:
create extension pg_stat_statements;
It will create new view with name "pg_stat_statements". In this view you can see all the executed queries.
Source: Stackoverflow.com