ndufrane

-- show running queries (pre 9.2)
SELECT procpid, age(query_start, clock_timestamp()), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(query_start, clock_timestamp()), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

ndufrane

filename = 'c:\\Users\\ndufrane\qgis.log'
def write_log_message(message, tag, level):
    with open(filename, 'a') as logfile:
        logfile.write('{tag}({level}): {message}'.format(tag=tag, level=level, message=message))
QgsApplication.messageLog().messageReceived.connect(write_log_message)

ndufrane

pg_dump database -Fc backup.dump
pg_restore -l backup.dump | sed '/MATERIALIZED VIEW DATA/d' > restore.lst
pg_restore -L restore.lst -d database backup.dump

pg_restore -l backup.dump | grep 'MATERIALIZED VIEW DATA' > refresh.lst
pg_restore -L refresh.lst -d database backup.dump